/**
* Kendo UI v2016.1.226 (http://www.telerik.com/kendo-ui)
* Copyright 2016 Telerik AD. All rights reserved.
*
* Kendo UI commercial licenses may be obtained at
* http://www.telerik.com/purchase/license-agreement/kendo-ui-complete
* If you do not own a commercial license, this file shall be governed by the trial license terms.
*/
(function (f, define) {
define('util/main', ['kendo.core'], f);
}(function () {
(function () {
var math = Math, kendo = window.kendo, deepExtend = kendo.deepExtend;
var DEG_TO_RAD = math.PI / 180, MAX_NUM = Number.MAX_VALUE, MIN_NUM = -Number.MAX_VALUE, UNDEFINED = 'undefined';
function defined(value) {
return typeof value !== UNDEFINED;
}
function round(value, precision) {
var power = pow(precision);
return math.round(value * power) / power;
}
function pow(p) {
if (p) {
return math.pow(10, p);
} else {
return 1;
}
}
function limitValue(value, min, max) {
return math.max(math.min(value, max), min);
}
function rad(degrees) {
return degrees * DEG_TO_RAD;
}
function deg(radians) {
return radians / DEG_TO_RAD;
}
function isNumber(val) {
return typeof val === 'number' && !isNaN(val);
}
function valueOrDefault(value, defaultValue) {
return defined(value) ? value : defaultValue;
}
function sqr(value) {
return value * value;
}
function objectKey(object) {
var parts = [];
for (var key in object) {
parts.push(key + object[key]);
}
return parts.sort().join('');
}
function hashKey(str) {
var hash = 2166136261;
for (var i = 0; i < str.length; ++i) {
hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24);
hash ^= str.charCodeAt(i);
}
return hash >>> 0;
}
function hashObject(object) {
return hashKey(objectKey(object));
}
var now = Date.now;
if (!now) {
now = function () {
return new Date().getTime();
};
}
function arrayLimits(arr) {
var length = arr.length, i, min = MAX_NUM, max = MIN_NUM;
for (i = 0; i < length; i++) {
max = math.max(max, arr[i]);
min = math.min(min, arr[i]);
}
return {
min: min,
max: max
};
}
function arrayMin(arr) {
return arrayLimits(arr).min;
}
function arrayMax(arr) {
return arrayLimits(arr).max;
}
function sparseArrayMin(arr) {
return sparseArrayLimits(arr).min;
}
function sparseArrayMax(arr) {
return sparseArrayLimits(arr).max;
}
function sparseArrayLimits(arr) {
var min = MAX_NUM, max = MIN_NUM;
for (var i = 0, length = arr.length; i < length; i++) {
var n = arr[i];
if (n !== null && isFinite(n)) {
min = math.min(min, n);
max = math.max(max, n);
}
}
return {
min: min === MAX_NUM ? undefined : min,
max: max === MIN_NUM ? undefined : max
};
}
function last(array) {
if (array) {
return array[array.length - 1];
}
}
function append(first, second) {
first.push.apply(first, second);
return first;
}
function renderTemplate(text) {
return kendo.template(text, {
useWithBlock: false,
paramName: 'd'
});
}
function renderAttr(name, value) {
return defined(value) && value !== null ? ' ' + name + '=\'' + value + '\' ' : '';
}
function renderAllAttr(attrs) {
var output = '';
for (var i = 0; i < attrs.length; i++) {
output += renderAttr(attrs[i][0], attrs[i][1]);
}
return output;
}
function renderStyle(attrs) {
var output = '';
for (var i = 0; i < attrs.length; i++) {
var value = attrs[i][1];
if (defined(value)) {
output += attrs[i][0] + ':' + value + ';';
}
}
if (output !== '') {
return output;
}
}
function renderSize(size) {
if (typeof size !== 'string') {
size += 'px';
}
return size;
}
function renderPos(pos) {
var result = [];
if (pos) {
var parts = kendo.toHyphens(pos).split('-');
for (var i = 0; i < parts.length; i++) {
result.push('k-pos-' + parts[i]);
}
}
return result.join(' ');
}
function isTransparent(color) {
return color === '' || color === null || color === 'none' || color === 'transparent' || !defined(color);
}
function arabicToRoman(n) {
var literals = {
1: 'i',
10: 'x',
100: 'c',
2: 'ii',
20: 'xx',
200: 'cc',
3: 'iii',
30: 'xxx',
300: 'ccc',
4: 'iv',
40: 'xl',
400: 'cd',
5: 'v',
50: 'l',
500: 'd',
6: 'vi',
60: 'lx',
600: 'dc',
7: 'vii',
70: 'lxx',
700: 'dcc',
8: 'viii',
80: 'lxxx',
800: 'dccc',
9: 'ix',
90: 'xc',
900: 'cm',
1000: 'm'
};
var values = [
1000,
900,
800,
700,
600,
500,
400,
300,
200,
100,
90,
80,
70,
60,
50,
40,
30,
20,
10,
9,
8,
7,
6,
5,
4,
3,
2,
1
];
var roman = '';
while (n > 0) {
if (n < values[0]) {
values.shift();
} else {
roman += literals[values[0]];
n -= values[0];
}
}
return roman;
}
function romanToArabic(r) {
r = r.toLowerCase();
var digits = {
i: 1,
v: 5,
x: 10,
l: 50,
c: 100,
d: 500,
m: 1000
};
var value = 0, prev = 0;
for (var i = 0; i < r.length; ++i) {
var v = digits[r.charAt(i)];
if (!v) {
return null;
}
value += v;
if (v > prev) {
value -= 2 * prev;
}
prev = v;
}
return value;
}
function memoize(f) {
var cache = Object.create(null);
return function () {
var id = '';
for (var i = arguments.length; --i >= 0;) {
id += ':' + arguments[i];
}
if (id in cache) {
return cache[id];
}
return f.apply(this, arguments);
};
}
function ucs2decode(string) {
var output = [], counter = 0, length = string.length, value, extra;
while (counter < length) {
value = string.charCodeAt(counter++);
if (value >= 55296 && value <= 56319 && counter < length) {
extra = string.charCodeAt(counter++);
if ((extra & 64512) == 56320) {
output.push(((value & 1023) << 10) + (extra & 1023) + 65536);
} else {
output.push(value);
counter--;
}
} else {
output.push(value);
}
}
return output;
}
function ucs2encode(array) {
return array.map(function (value) {
var output = '';
if (value > 65535) {
value -= 65536;
output += String.fromCharCode(value >>> 10 & 1023 | 55296);
value = 56320 | value & 1023;
}
output += String.fromCharCode(value);
return output;
}).join('');
}
deepExtend(kendo, {
util: {
MAX_NUM: MAX_NUM,
MIN_NUM: MIN_NUM,
append: append,
arrayLimits: arrayLimits,
arrayMin: arrayMin,
arrayMax: arrayMax,
defined: defined,
deg: deg,
hashKey: hashKey,
hashObject: hashObject,
isNumber: isNumber,
isTransparent: isTransparent,
last: last,
limitValue: limitValue,
now: now,
objectKey: objectKey,
round: round,
rad: rad,
renderAttr: renderAttr,
renderAllAttr: renderAllAttr,
renderPos: renderPos,
renderSize: renderSize,
renderStyle: renderStyle,
renderTemplate: renderTemplate,
sparseArrayLimits: sparseArrayLimits,
sparseArrayMin: sparseArrayMin,
sparseArrayMax: sparseArrayMax,
sqr: sqr,
valueOrDefault: valueOrDefault,
romanToArabic: romanToArabic,
arabicToRoman: arabicToRoman,
memoize: memoize,
ucs2encode: ucs2encode,
ucs2decode: ucs2decode
}
});
kendo.drawing.util = kendo.util;
kendo.dataviz.util = kendo.util;
}());
return window.kendo;
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('util/text-metrics', [
'kendo.core',
'util/main'
], f);
}(function () {
(function ($) {
var doc = document, kendo = window.kendo, Class = kendo.Class, util = kendo.util, defined = util.defined;
var LRUCache = Class.extend({
init: function (size) {
this._size = size;
this._length = 0;
this._map = {};
},
put: function (key, value) {
var lru = this, map = lru._map, entry = {
key: key,
value: value
};
map[key] = entry;
if (!lru._head) {
lru._head = lru._tail = entry;
} else {
lru._tail.newer = entry;
entry.older = lru._tail;
lru._tail = entry;
}
if (lru._length >= lru._size) {
map[lru._head.key] = null;
lru._head = lru._head.newer;
lru._head.older = null;
} else {
lru._length++;
}
},
get: function (key) {
var lru = this, entry = lru._map[key];
if (entry) {
if (entry === lru._head && entry !== lru._tail) {
lru._head = entry.newer;
lru._head.older = null;
}
if (entry !== lru._tail) {
if (entry.older) {
entry.older.newer = entry.newer;
entry.newer.older = entry.older;
}
entry.older = lru._tail;
entry.newer = null;
lru._tail.newer = entry;
lru._tail = entry;
}
return entry.value;
}
}
});
var defaultMeasureBox = $('')[0];
function zeroSize() {
return {
width: 0,
height: 0,
baseline: 0
};
}
var TextMetrics = Class.extend({
init: function (options) {
this._cache = new LRUCache(1000);
this._initOptions(options);
},
options: { baselineMarkerSize: 1 },
measure: function (text, style, box) {
if (!text) {
return zeroSize();
}
var styleKey = util.objectKey(style), cacheKey = util.hashKey(text + styleKey), cachedResult = this._cache.get(cacheKey);
if (cachedResult) {
return cachedResult;
}
var size = zeroSize();
var measureBox = box ? box : defaultMeasureBox;
var baselineMarker = this._baselineMarker().cloneNode(false);
for (var key in style) {
var value = style[key];
if (defined(value)) {
measureBox.style[key] = value;
}
}
$(measureBox).text(text);
measureBox.appendChild(baselineMarker);
doc.body.appendChild(measureBox);
if ((text + '').length) {
size.width = measureBox.offsetWidth - this.options.baselineMarkerSize;
size.height = measureBox.offsetHeight;
size.baseline = baselineMarker.offsetTop + this.options.baselineMarkerSize;
}
if (size.width > 0 && size.height > 0) {
this._cache.put(cacheKey, size);
}
measureBox.parentNode.removeChild(measureBox);
return size;
},
_baselineMarker: function () {
return $('')[0];
}
});
TextMetrics.current = new TextMetrics();
function measureText(text, style, measureBox) {
return TextMetrics.current.measure(text, style, measureBox);
}
function loadFonts(fonts, callback) {
var promises = [];
if (fonts.length > 0 && document.fonts) {
try {
promises = fonts.map(function (font) {
return document.fonts.load(font);
});
} catch (e) {
kendo.logToConsole(e);
}
Promise.all(promises).then(callback, callback);
} else {
callback();
}
}
kendo.util.TextMetrics = TextMetrics;
kendo.util.LRUCache = LRUCache;
kendo.util.loadFonts = loadFonts;
kendo.util.measureText = measureText;
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('util/base64', ['util/main'], f);
}(function () {
(function () {
var kendo = window.kendo, deepExtend = kendo.deepExtend, fromCharCode = String.fromCharCode;
var KEY_STR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
function encodeBase64(input) {
var output = '';
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
input = encodeUTF8(input);
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = (chr1 & 3) << 4 | chr2 >> 4;
enc3 = (chr2 & 15) << 2 | chr3 >> 6;
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + KEY_STR.charAt(enc1) + KEY_STR.charAt(enc2) + KEY_STR.charAt(enc3) + KEY_STR.charAt(enc4);
}
return output;
}
function encodeUTF8(input) {
var output = '';
for (var i = 0; i < input.length; i++) {
var c = input.charCodeAt(i);
if (c < 128) {
output += fromCharCode(c);
} else if (c < 2048) {
output += fromCharCode(192 | c >>> 6);
output += fromCharCode(128 | c & 63);
} else if (c < 65536) {
output += fromCharCode(224 | c >>> 12);
output += fromCharCode(128 | c >>> 6 & 63);
output += fromCharCode(128 | c & 63);
}
}
return output;
}
deepExtend(kendo.util, {
encodeBase64: encodeBase64,
encodeUTF8: encodeUTF8
});
}());
return window.kendo;
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('mixins/observers', ['kendo.core'], f);
}(function () {
(function ($) {
var math = Math, kendo = window.kendo, deepExtend = kendo.deepExtend, inArray = $.inArray;
var ObserversMixin = {
observers: function () {
this._observers = this._observers || [];
return this._observers;
},
addObserver: function (element) {
if (!this._observers) {
this._observers = [element];
} else {
this._observers.push(element);
}
return this;
},
removeObserver: function (element) {
var observers = this.observers();
var index = inArray(element, observers);
if (index != -1) {
observers.splice(index, 1);
}
return this;
},
trigger: function (methodName, event) {
var observers = this._observers;
var observer;
var idx;
if (observers && !this._suspended) {
for (idx = 0; idx < observers.length; idx++) {
observer = observers[idx];
if (observer[methodName]) {
observer[methodName](event);
}
}
}
return this;
},
optionsChange: function (e) {
this.trigger('optionsChange', e);
},
geometryChange: function (e) {
this.trigger('geometryChange', e);
},
suspend: function () {
this._suspended = (this._suspended || 0) + 1;
return this;
},
resume: function () {
this._suspended = math.max((this._suspended || 0) - 1, 0);
return this;
},
_observerField: function (field, value) {
if (this[field]) {
this[field].removeObserver(this);
}
this[field] = value;
value.addObserver(this);
}
};
deepExtend(kendo, { mixins: { ObserversMixin: ObserversMixin } });
}(window.kendo.jQuery));
return window.kendo;
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('dataviz/diagram/utils', ['kendo.core'], f);
}(function () {
(function ($, undefined) {
var kendo = window.kendo, diagram = kendo.dataviz.diagram = {}, deepExtend = kendo.deepExtend, isArray = $.isArray, EPSILON = 0.000001;
var Utils = {};
deepExtend(Utils, {
isNearZero: function (num) {
return Math.abs(num) < EPSILON;
},
isDefined: function (obj) {
return typeof obj !== 'undefined';
},
isUndefined: function (obj) {
return typeof obj === 'undefined' || obj === null;
},
isObject: function (obj) {
return obj === Object(obj);
},
has: function (obj, key) {
return Object.hasOwnProperty.call(obj, key);
},
isString: function (obj) {
return Object.prototype.toString.call(obj) == '[object String]';
},
isBoolean: function (obj) {
return Object.prototype.toString.call(obj) == '[object Boolean]';
},
isType: function (obj, type) {
return Object.prototype.toString.call(obj) == '[object ' + type + ']';
},
isNumber: function (obj) {
return !isNaN(parseFloat(obj)) && isFinite(obj);
},
isEmpty: function (obj) {
if (obj === null) {
return true;
}
if (isArray(obj) || Utils.isString(obj)) {
return obj.length === 0;
}
for (var key in obj) {
if (Utils.has(obj, key)) {
return false;
}
}
return true;
},
simpleExtend: function (destination, source) {
if (!Utils.isObject(source)) {
return;
}
for (var name in source) {
destination[name] = source[name];
}
},
initArray: function createIdArray(size, value) {
var array = [];
for (var i = 0; i < size; ++i) {
array[i] = value;
}
return array;
},
serializePoints: function (points) {
var res = [];
for (var i = 0; i < points.length; i++) {
var p = points[i];
res.push(p.x + ';' + p.y);
}
return res.join(';');
},
deserializePoints: function (s) {
var v = s.split(';'), points = [];
if (v.length % 2 !== 0) {
throw 'Not an array of points.';
}
for (var i = 0; i < v.length; i += 2) {
points.push(new diagram.Point(parseInt(v[i], 10), parseInt(v[i + 1], 10)));
}
return points;
},
randomInteger: function (lower, upper) {
return parseInt(Math.floor(Math.random() * upper) + lower, 10);
},
DFT: function (el, func) {
func(el);
if (el.childNodes) {
for (var i = 0; i < el.childNodes.length; i++) {
var item = el.childNodes[i];
this.DFT(item, func);
}
}
},
getMatrixAngle: function (m) {
if (m === null || m.d === 0) {
return 0;
}
return Math.atan2(m.b, m.d) * 180 / Math.PI;
},
getMatrixScaling: function (m) {
var sX = Math.sqrt(m.a * m.a + m.c * m.c);
var sY = Math.sqrt(m.b * m.b + m.d * m.d);
return [
sX,
sY
];
}
});
function Range(start, stop, step) {
if (typeof start == 'undefined' || typeof stop == 'undefined') {
return [];
}
if (step && Utils.sign(stop - start) != Utils.sign(step)) {
throw 'The sign of the increment should allow to reach the stop-value.';
}
step = step || 1;
start = start || 0;
stop = stop || start;
if ((stop - start) / step === Infinity) {
throw 'Infinite range defined.';
}
var range = [], i = -1, j;
function rangeIntegerScale(x) {
var k = 1;
while (x * k % 1) {
k *= 10;
}
return k;
}
var k = rangeIntegerScale(Math.abs(step));
start *= k;
stop *= k;
step *= k;
if (start > stop && step > 0) {
step = -step;
}
if (step < 0) {
while ((j = start + step * ++i) >= stop) {
range.push(j / k);
}
} else {
while ((j = start + step * ++i) <= stop) {
range.push(j / k);
}
}
return range;
}
function findRadian(start, end) {
if (start == end) {
return 0;
}
var sngXComp = end.x - start.x, sngYComp = start.y - end.y, atan = Math.atan(sngXComp / sngYComp);
if (sngYComp >= 0) {
return sngXComp < 0 ? atan + 2 * Math.PI : atan;
}
return atan + Math.PI;
}
Utils.sign = function (number) {
return number ? number < 0 ? -1 : 1 : 0;
};
Utils.findAngle = function (center, end) {
return findRadian(center, end) * 180 / Math.PI;
};
Utils.forEach = function (arr, iterator, thisRef) {
for (var i = 0; i < arr.length; i++) {
iterator.call(thisRef, arr[i], i, arr);
}
};
Utils.any = function (arr, predicate) {
for (var i = 0; i < arr.length; ++i) {
if (predicate(arr[i])) {
return arr[i];
}
}
return null;
};
Utils.remove = function (arr, what) {
var ax;
while ((ax = Utils.indexOf(arr, what)) !== -1) {
arr.splice(ax, 1);
}
return arr;
};
Utils.contains = function (arr, obj) {
return Utils.indexOf(arr, obj) !== -1;
};
Utils.indexOf = function (arr, what) {
return $.inArray(what, arr);
};
Utils.fold = function (list, iterator, acc, context) {
var initial = arguments.length > 2;
for (var i = 0; i < list.length; i++) {
var value = list[i];
if (!initial) {
acc = value;
initial = true;
} else {
acc = iterator.call(context, acc, value, i, list);
}
}
if (!initial) {
throw 'Reduce of empty array with no initial value';
}
return acc;
};
Utils.find = function (arr, iterator, context) {
var result;
Utils.any(arr, function (value, index, list) {
if (iterator.call(context, value, index, list)) {
result = value;
return true;
}
return false;
});
return result;
};
Utils.first = function (arr, constraint, context) {
if (arr.length === 0) {
return null;
}
if (Utils.isUndefined(constraint)) {
return arr[0];
}
return Utils.find(arr, constraint, context);
};
Utils.insert = function (arr, element, position) {
arr.splice(position, 0, element);
return arr;
};
Utils.all = function (arr, iterator, context) {
var result = true;
var value;
for (var i = 0; i < arr.length; i++) {
value = arr[i];
result = result && iterator.call(context, value, i, arr);
if (!result) {
break;
}
}
return result;
};
Utils.clear = function (arr) {
arr.splice(0, arr.length);
};
Utils.bisort = function (a, b, sortfunc) {
if (Utils.isUndefined(a)) {
throw 'First array is not specified.';
}
if (Utils.isUndefined(b)) {
throw 'Second array is not specified.';
}
if (a.length != b.length) {
throw 'The two arrays should have equal length';
}
var all = [], i;
for (i = 0; i < a.length; i++) {
all.push({
'x': a[i],
'y': b[i]
});
}
if (Utils.isUndefined(sortfunc)) {
all.sort(function (m, n) {
return m.x - n.x;
});
} else {
all.sort(function (m, n) {
return sortfunc(m.x, n.x);
});
}
Utils.clear(a);
Utils.clear(b);
for (i = 0; i < all.length; i++) {
a.push(all[i].x);
b.push(all[i].y);
}
};
Utils.addRange = function (arr, range) {
arr.push.apply(arr, range);
};
var Easing = {
easeInOut: function (pos) {
return -Math.cos(pos * Math.PI) / 2 + 0.5;
}
};
var Ticker = kendo.Class.extend({
init: function () {
this.adapters = [];
this.target = 0;
this.tick = 0;
this.interval = 20;
this.duration = 800;
this.lastTime = null;
this.handlers = [];
var _this = this;
this.transition = Easing.easeInOut;
this.timerDelegate = function () {
_this.onTimerEvent();
};
},
addAdapter: function (a) {
this.adapters.push(a);
},
onComplete: function (handler) {
this.handlers.push(handler);
},
removeHandler: function (handler) {
this.handlers = $.grep(this.handlers, function (h) {
return h !== handler;
});
},
trigger: function () {
var _this = this;
if (this.handlers) {
Utils.forEach(this.handlers, function (h) {
return h.call(_this.caller !== null ? _this.caller : _this);
});
}
},
onStep: function () {
},
seekTo: function (to) {
this.seekFromTo(this.tick, to);
},
seekFromTo: function (from, to) {
this.target = Math.max(0, Math.min(1, to));
this.tick = Math.max(0, Math.min(1, from));
this.lastTime = new Date().getTime();
if (!this.intervalId) {
this.intervalId = window.setInterval(this.timerDelegate, this.interval);
}
},
stop: function () {
if (this.intervalId) {
window.clearInterval(this.intervalId);
this.intervalId = null;
this.trigger();
}
},
play: function (origin) {
if (this.adapters.length === 0) {
return;
}
if (origin !== null) {
this.caller = origin;
}
this.initState();
this.seekFromTo(0, 1);
},
reverse: function () {
this.seekFromTo(1, 0);
},
initState: function () {
if (this.adapters.length === 0) {
return;
}
for (var i = 0; i < this.adapters.length; i++) {
this.adapters[i].initState();
}
},
propagate: function () {
var value = this.transition(this.tick);
for (var i = 0; i < this.adapters.length; i++) {
this.adapters[i].update(value);
}
},
onTimerEvent: function () {
var now = new Date().getTime();
var timePassed = now - this.lastTime;
this.lastTime = now;
var movement = timePassed / this.duration * (this.tick < this.target ? 1 : -1);
if (Math.abs(movement) >= Math.abs(this.tick - this.target)) {
this.tick = this.target;
} else {
this.tick += movement;
}
try {
this.propagate();
} finally {
this.onStep.call(this);
if (this.target == this.tick) {
this.stop();
}
}
}
});
kendo.deepExtend(diagram, {
init: function (element) {
kendo.init(element, diagram.ui);
},
Utils: Utils,
Range: Range,
Ticker: Ticker
});
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('dataviz/diagram/math', [
'dataviz/diagram/utils',
'kendo.dataviz.core'
], f);
}(function () {
(function ($, undefined) {
var kendo = window.kendo, diagram = kendo.dataviz.diagram, Class = kendo.Class, deepExtend = kendo.deepExtend, dataviz = kendo.dataviz, Utils = diagram.Utils, Point = dataviz.Point2D, isFunction = kendo.isFunction, contains = Utils.contains, map = $.map;
var HITTESTAREA = 3, EPSILON = 0.000001;
deepExtend(Point.fn, {
plus: function (p) {
return new Point(this.x + p.x, this.y + p.y);
},
minus: function (p) {
return new Point(this.x - p.x, this.y - p.y);
},
offset: function (value) {
return new Point(this.x - value, this.y - value);
},
times: function (s) {
return new Point(this.x * s, this.y * s);
},
normalize: function () {
if (this.length() === 0) {
return new Point();
}
return this.times(1 / this.length());
},
length: function () {
return Math.sqrt(this.x * this.x + this.y * this.y);
},
toString: function () {
return '(' + this.x + ',' + this.y + ')';
},
lengthSquared: function () {
return this.x * this.x + this.y * this.y;
},
middleOf: function MiddleOf(p, q) {
return new Point(q.x - p.x, q.y - p.y).times(0.5).plus(p);
},
toPolar: function (useDegrees) {
var factor = 1;
if (useDegrees) {
factor = 180 / Math.PI;
}
var a = Math.atan2(Math.abs(this.y), Math.abs(this.x));
var halfpi = Math.PI / 2;
var len = this.length();
if (this.x === 0) {
if (this.y === 0) {
return new Polar(0, 0);
}
if (this.y > 0) {
return new Polar(len, factor * halfpi);
}
if (this.y < 0) {
return new Polar(len, factor * 3 * halfpi);
}
} else if (this.x > 0) {
if (this.y === 0) {
return new Polar(len, 0);
}
if (this.y > 0) {
return new Polar(len, factor * a);
}
if (this.y < 0) {
return new Polar(len, factor * (4 * halfpi - a));
}
} else {
if (this.y === 0) {
return new Polar(len, 2 * halfpi);
}
if (this.y > 0) {
return new Polar(len, factor * (2 * halfpi - a));
}
if (this.y < 0) {
return new Polar(len, factor * (2 * halfpi + a));
}
}
},
isOnLine: function (from, to) {
if (from.x > to.x) {
var temp = to;
to = from;
from = temp;
}
var r1 = new Rect(from.x, from.y).inflate(HITTESTAREA, HITTESTAREA), r2 = new Rect(to.x, to.y).inflate(HITTESTAREA, HITTESTAREA), o1, u1;
if (r1.union(r2).contains(this)) {
if (from.x === to.x || from.y === to.y) {
return true;
} else if (from.y < to.y) {
o1 = r1.x + (r2.x - r1.x) * (this.y - (r1.y + r1.height)) / (r2.y + r2.height - (r1.y + r1.height));
u1 = r1.x + r1.width + (r2.x + r2.width - (r1.x + r1.width)) * (this.y - r1.y) / (r2.y - r1.y);
} else {
o1 = r1.x + (r2.x - r1.x) * (this.y - r1.y) / (r2.y - r1.y);
u1 = r1.x + r1.width + (r2.x + r2.width - (r1.x + r1.width)) * (this.y - (r1.y + r1.height)) / (r2.y + r2.height - (r1.y + r1.height));
}
return this.x > o1 && this.x < u1;
}
return false;
}
});
deepExtend(Point, {
parse: function (str) {
var tempStr = str.slice(1, str.length - 1), xy = tempStr.split(','), x = parseInt(xy[0], 10), y = parseInt(xy[1], 10);
if (!isNaN(x) && !isNaN(y)) {
return new Point(x, y);
}
}
});
var PathDefiner = Class.extend({
init: function (p, left, right) {
this.point = p;
this.left = left;
this.right = right;
}
});
var Rect = Class.extend({
init: function (x, y, width, height) {
this.x = x || 0;
this.y = y || 0;
this.width = width || 0;
this.height = height || 0;
},
contains: function (point) {
return point.x >= this.x && point.x <= this.x + this.width && point.y >= this.y && point.y <= this.y + this.height;
},
inflate: function (dx, dy) {
if (dy === undefined) {
dy = dx;
}
this.x -= dx;
this.y -= dy;
this.width += 2 * dx + 1;
this.height += 2 * dy + 1;
return this;
},
offset: function (dx, dy) {
var x = dx, y = dy;
if (dx instanceof Point) {
x = dx.x;
y = dx.y;
}
this.x += x;
this.y += y;
return this;
},
union: function (r) {
var x1 = Math.min(this.x, r.x);
var y1 = Math.min(this.y, r.y);
var x2 = Math.max(this.x + this.width, r.x + r.width);
var y2 = Math.max(this.y + this.height, r.y + r.height);
return new Rect(x1, y1, x2 - x1, y2 - y1);
},
center: function () {
return new Point(this.x + this.width / 2, this.y + this.height / 2);
},
top: function () {
return new Point(this.x + this.width / 2, this.y);
},
right: function () {
return new Point(this.x + this.width, this.y + this.height / 2);
},
bottom: function () {
return new Point(this.x + this.width / 2, this.y + this.height);
},
left: function () {
return new Point(this.x, this.y + this.height / 2);
},
topLeft: function () {
return new Point(this.x, this.y);
},
topRight: function () {
return new Point(this.x + this.width, this.y);
},
bottomLeft: function () {
return new Point(this.x, this.y + this.height);
},
bottomRight: function () {
return new Point(this.x + this.width, this.y + this.height);
},
clone: function () {
return new Rect(this.x, this.y, this.width, this.height);
},
isEmpty: function () {
return !this.width && !this.height;
},
equals: function (rect) {
return this.x === rect.x && this.y === rect.y && this.width === rect.width && this.height === rect.height;
},
rotatedBounds: function (angle) {
var rect = this.clone(), points = this.rotatedPoints(angle), tl = points[0], tr = points[1], br = points[2], bl = points[3];
rect.x = Math.min(br.x, tl.x, tr.x, bl.x);
rect.y = Math.min(br.y, tl.y, tr.y, bl.y);
rect.width = Math.max(br.x, tl.x, tr.x, bl.x) - rect.x;
rect.height = Math.max(br.y, tl.y, tr.y, bl.y) - rect.y;
return rect;
},
rotatedPoints: function (angle) {
var rect = this, c = rect.center(), br = rect.bottomRight().rotate(c, 360 - angle), tl = rect.topLeft().rotate(c, 360 - angle), tr = rect.topRight().rotate(c, 360 - angle), bl = rect.bottomLeft().rotate(c, 360 - angle);
return [
tl,
tr,
br,
bl
];
},
toString: function (delimiter) {
delimiter = delimiter || ' ';
return this.x + delimiter + this.y + delimiter + this.width + delimiter + this.height;
},
scale: function (scaleX, scaleY, staicPoint, adornerCenter, angle) {
var tl = this.topLeft();
var thisCenter = this.center();
tl.rotate(thisCenter, 360 - angle).rotate(adornerCenter, angle);
var delta = staicPoint.minus(tl);
var scaled = new Point(delta.x * scaleX, delta.y * scaleY);
var position = delta.minus(scaled);
tl = tl.plus(position);
tl.rotate(adornerCenter, 360 - angle).rotate(thisCenter, angle);
this.x = tl.x;
this.y = tl.y;
this.width *= scaleX;
this.height *= scaleY;
},
zoom: function (zoom) {
this.x *= zoom;
this.y *= zoom;
this.width *= zoom;
this.height *= zoom;
return this;
},
overlaps: function (rect) {
var bottomRight = this.bottomRight();
var rectBottomRight = rect.bottomRight();
var overlaps = !(bottomRight.x < rect.x || bottomRight.y < rect.y || rectBottomRight.x < this.x || rectBottomRight.y < this.y);
return overlaps;
}
});
var Size = Class.extend({
init: function (width, height) {
this.width = width;
this.height = height;
}
});
Size.prototype.Empty = new Size(0, 0);
Rect.toRect = function (rect) {
if (!(rect instanceof Rect)) {
rect = new Rect(rect.x, rect.y, rect.width, rect.height);
}
return rect;
};
Rect.empty = function () {
return new Rect(0, 0, 0, 0);
};
Rect.fromPoints = function (p, q) {
if (isNaN(p.x) || isNaN(p.y) || isNaN(q.x) || isNaN(q.y)) {
throw 'Some values are NaN.';
}
return new Rect(Math.min(p.x, q.x), Math.min(p.y, q.y), Math.abs(p.x - q.x), Math.abs(p.y - q.y));
};
function isNearZero(num) {
return Math.abs(num) < EPSILON;
}
function intersectLine(start1, end1, start2, end2, isSegment) {
var tangensdiff = (end1.x - start1.x) * (end2.y - start2.y) - (end1.y - start1.y) * (end2.x - start2.x);
if (isNearZero(tangensdiff)) {
return;
}
var num1 = (start1.y - start2.y) * (end2.x - start2.x) - (start1.x - start2.x) * (end2.y - start2.y);
var num2 = (start1.y - start2.y) * (end1.x - start1.x) - (start1.x - start2.x) * (end1.y - start1.y);
var r = num1 / tangensdiff;
var s = num2 / tangensdiff;
if (isSegment && (r < 0 || r > 1 || s < 0 || s > 1)) {
return;
}
return new Point(start1.x + r * (end1.x - start1.x), start1.y + r * (end1.y - start1.y));
}
var Intersect = {
lines: function (start1, end1, start2, end2) {
return intersectLine(start1, end1, start2, end2);
},
segments: function (start1, end1, start2, end2) {
return intersectLine(start1, end1, start2, end2, true);
},
rectWithLine: function (rect, start, end) {
return Intersect.segments(start, end, rect.topLeft(), rect.topRight()) || Intersect.segments(start, end, rect.topRight(), rect.bottomRight()) || Intersect.segments(start, end, rect.bottomLeft(), rect.bottomRight()) || Intersect.segments(start, end, rect.topLeft(), rect.bottomLeft());
},
rects: function (rect1, rect2, angle) {
var tl = rect2.topLeft(), tr = rect2.topRight(), bl = rect2.bottomLeft(), br = rect2.bottomRight();
var center = rect2.center();
if (angle) {
tl = tl.rotate(center, angle);
tr = tr.rotate(center, angle);
bl = bl.rotate(center, angle);
br = br.rotate(center, angle);
}
var intersect = rect1.contains(tl) || rect1.contains(tr) || rect1.contains(bl) || rect1.contains(br) || Intersect.rectWithLine(rect1, tl, tr) || Intersect.rectWithLine(rect1, tl, bl) || Intersect.rectWithLine(rect1, tr, br) || Intersect.rectWithLine(rect1, bl, br);
if (!intersect) {
tl = rect1.topLeft();
tr = rect1.topRight();
bl = rect1.bottomLeft();
br = rect1.bottomRight();
if (angle) {
var reverseAngle = 360 - angle;
tl = tl.rotate(center, reverseAngle);
tr = tr.rotate(center, reverseAngle);
bl = bl.rotate(center, reverseAngle);
br = br.rotate(center, reverseAngle);
}
intersect = rect2.contains(tl) || rect2.contains(tr) || rect2.contains(bl) || rect2.contains(br);
}
return intersect;
}
};
var RectAlign = Class.extend({
init: function (container) {
this.container = Rect.toRect(container);
},
align: function (content, alignment) {
var alignValues = alignment.toLowerCase().split(' ');
for (var i = 0; i < alignValues.length; i++) {
content = this._singleAlign(content, alignValues[i]);
}
return content;
},
_singleAlign: function (content, alignment) {
if (isFunction(this[alignment])) {
return this[alignment](content);
} else {
return content;
}
},
left: function (content) {
return this._align(content, this._left);
},
center: function (content) {
return this._align(content, this._center);
},
right: function (content) {
return this._align(content, this._right);
},
stretch: function (content) {
return this._align(content, this._stretch);
},
top: function (content) {
return this._align(content, this._top);
},
middle: function (content) {
return this._align(content, this._middle);
},
bottom: function (content) {
return this._align(content, this._bottom);
},
_left: function (container, content) {
content.x = container.x;
},
_center: function (container, content) {
content.x = (container.width - content.width) / 2 || 0;
},
_right: function (container, content) {
content.x = container.width - content.width;
},
_top: function (container, content) {
content.y = container.y;
},
_middle: function (container, content) {
content.y = (container.height - content.height) / 2 || 0;
},
_bottom: function (container, content) {
content.y = container.height - content.height;
},
_stretch: function (container, content) {
content.x = 0;
content.y = 0;
content.height = container.height;
content.width = container.width;
},
_align: function (content, alignCalc) {
content = Rect.toRect(content);
alignCalc(this.container, content);
return content;
}
});
var Polar = Class.extend({
init: function (r, a) {
this.r = r;
this.angle = a;
}
});
var Matrix = Class.extend({
init: function (a, b, c, d, e, f) {
this.a = a || 0;
this.b = b || 0;
this.c = c || 0;
this.d = d || 0;
this.e = e || 0;
this.f = f || 0;
},
plus: function (m) {
this.a += m.a;
this.b += m.b;
this.c += m.c;
this.d += m.d;
this.e += m.e;
this.f += m.f;
},
minus: function (m) {
this.a -= m.a;
this.b -= m.b;
this.c -= m.c;
this.d -= m.d;
this.e -= m.e;
this.f -= m.f;
},
times: function (m) {
return new Matrix(this.a * m.a + this.c * m.b, this.b * m.a + this.d * m.b, this.a * m.c + this.c * m.d, this.b * m.c + this.d * m.d, this.a * m.e + this.c * m.f + this.e, this.b * m.e + this.d * m.f + this.f);
},
apply: function (p) {
return new Point(this.a * p.x + this.c * p.y + this.e, this.b * p.x + this.d * p.y + this.f);
},
applyRect: function (r) {
return Rect.fromPoints(this.apply(r.topLeft()), this.apply(r.bottomRight()));
},
toString: function () {
return 'matrix(' + this.a + ' ' + this.b + ' ' + this.c + ' ' + this.d + ' ' + this.e + ' ' + this.f + ')';
}
});
deepExtend(Matrix, {
fromSVGMatrix: function (vm) {
var m = new Matrix();
m.a = vm.a;
m.b = vm.b;
m.c = vm.c;
m.d = vm.d;
m.e = vm.e;
m.f = vm.f;
return m;
},
fromMatrixVector: function (v) {
var m = new Matrix();
m.a = v.a;
m.b = v.b;
m.c = v.c;
m.d = v.d;
m.e = v.e;
m.f = v.f;
return m;
},
fromList: function (v) {
if (v.length !== 6) {
throw 'The given list should consist of six elements.';
}
var m = new Matrix();
m.a = v[0];
m.b = v[1];
m.c = v[2];
m.d = v[3];
m.e = v[4];
m.f = v[5];
return m;
},
translation: function (x, y) {
var m = new Matrix();
m.a = 1;
m.b = 0;
m.c = 0;
m.d = 1;
m.e = x;
m.f = y;
return m;
},
unit: function () {
return new Matrix(1, 0, 0, 1, 0, 0);
},
rotation: function (angle, x, y) {
var m = new Matrix();
m.a = Math.cos(angle * Math.PI / 180);
m.b = Math.sin(angle * Math.PI / 180);
m.c = -m.b;
m.d = m.a;
m.e = x - x * m.a + y * m.b || 0;
m.f = y - y * m.a - x * m.b || 0;
return m;
},
scaling: function (scaleX, scaleY) {
var m = new Matrix();
m.a = scaleX;
m.b = 0;
m.c = 0;
m.d = scaleY;
m.e = 0;
m.f = 0;
return m;
},
parse: function (v) {
var parts, nums;
if (v) {
v = v.trim();
if (v.slice(0, 6).toLowerCase() === 'matrix') {
nums = v.slice(7, v.length - 1).trim();
parts = nums.split(',');
if (parts.length === 6) {
return Matrix.fromList(map(parts, function (p) {
return parseFloat(p);
}));
}
parts = nums.split(' ');
if (parts.length === 6) {
return Matrix.fromList(map(parts, function (p) {
return parseFloat(p);
}));
}
}
if (v.slice(0, 1) === '(' && v.slice(v.length - 1) === ')') {
v = v.substr(1, v.length - 1);
}
if (v.indexOf(',') > 0) {
parts = v.split(',');
if (parts.length === 6) {
return Matrix.fromList(map(parts, function (p) {
return parseFloat(p);
}));
}
}
if (v.indexOf(' ') > 0) {
parts = v.split(' ');
if (parts.length === 6) {
return Matrix.fromList(map(parts, function (p) {
return parseFloat(p);
}));
}
}
}
return parts;
}
});
var MatrixVector = Class.extend({
init: function (a, b, c, d, e, f) {
this.a = a || 0;
this.b = b || 0;
this.c = c || 0;
this.d = d || 0;
this.e = e || 0;
this.f = f || 0;
},
fromMatrix: function FromMatrix(m) {
var v = new MatrixVector();
v.a = m.a;
v.b = m.b;
v.c = m.c;
v.d = m.d;
v.e = m.e;
v.f = m.f;
return v;
}
});
function normalVariable(mean, deviation) {
var x, y, r;
do {
x = Math.random() * 2 - 1;
y = Math.random() * 2 - 1;
r = x * x + y * y;
} while (!r || r > 1);
return mean + deviation * x * Math.sqrt(-2 * Math.log(r) / r);
}
function randomId(length) {
if (Utils.isUndefined(length)) {
length = 10;
}
var result = '';
var chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
for (var i = length; i > 0; --i) {
result += chars.charAt(Math.round(Math.random() * (chars.length - 1)));
}
return result;
}
var Geometry = {
_distanceToLineSquared: function (p, a, b) {
function d2(pt1, pt2) {
return (pt1.x - pt2.x) * (pt1.x - pt2.x) + (pt1.y - pt2.y) * (pt1.y - pt2.y);
}
if (a === b) {
return d2(p, a);
}
var vx = b.x - a.x, vy = b.y - a.y, dot = (p.x - a.x) * vx + (p.y - a.y) * vy;
if (dot < 0) {
return d2(a, p);
}
dot = (b.x - p.x) * vx + (b.y - p.y) * vy;
if (dot < 0) {
return d2(b, p);
}
dot = (b.x - p.x) * vy - (b.y - p.y) * vx;
return dot * dot / (vx * vx + vy * vy);
},
distanceToLine: function (p, a, b) {
return Math.sqrt(this._distanceToLineSquared(p, a, b));
},
distanceToPolyline: function (p, points) {
var minimum = Number.MAX_VALUE;
if (Utils.isUndefined(points) || points.length === 0) {
return Number.MAX_VALUE;
}
for (var s = 0; s < points.length - 1; s++) {
var p1 = points[s];
var p2 = points[s + 1];
var d = this._distanceToLineSquared(p, p1, p2);
if (d < minimum) {
minimum = d;
}
}
return Math.sqrt(minimum);
}
};
var HashTable = kendo.Class.extend({
init: function () {
this._buckets = [];
this.length = 0;
},
add: function (key, value) {
var obj = this._createGetBucket(key);
if (Utils.isDefined(value)) {
obj.value = value;
}
return obj;
},
get: function (key) {
if (this._bucketExists(key)) {
return this._createGetBucket(key);
}
return null;
},
set: function (key, value) {
this.add(key, value);
},
containsKey: function (key) {
return this._bucketExists(key);
},
remove: function (key) {
if (this._bucketExists(key)) {
var hashId = this._hash(key);
delete this._buckets[hashId];
this.length--;
return key;
}
},
forEach: function (func) {
var hashes = this._hashes();
for (var i = 0, len = hashes.length; i < len; i++) {
var hash = hashes[i];
var bucket = this._buckets[hash];
if (Utils.isUndefined(bucket)) {
continue;
}
func(bucket);
}
},
clone: function () {
var ht = new HashTable();
var hashes = this._hashes();
for (var i = 0, len = hashes.length; i < len; i++) {
var hash = hashes[i];
var bucket = this._buckets[hash];
if (Utils.isUndefined(bucket)) {
continue;
}
ht.add(bucket.key, bucket.value);
}
return ht;
},
_hashes: function () {
var hashes = [];
for (var hash in this._buckets) {
if (this._buckets.hasOwnProperty(hash)) {
hashes.push(hash);
}
}
return hashes;
},
_bucketExists: function (key) {
var hashId = this._hash(key);
return Utils.isDefined(this._buckets[hashId]);
},
_createGetBucket: function (key) {
var hashId = this._hash(key);
var bucket = this._buckets[hashId];
if (Utils.isUndefined(bucket)) {
bucket = { key: key };
this._buckets[hashId] = bucket;
this.length++;
}
return bucket;
},
_hash: function (key) {
if (Utils.isNumber(key)) {
return key;
}
if (Utils.isString(key)) {
return this._hashString(key);
}
if (Utils.isObject(key)) {
return this._objectHashId(key);
}
throw 'Unsupported key type.';
},
_hashString: function (s) {
var result = 0;
if (s.length === 0) {
return result;
}
for (var i = 0; i < s.length; i++) {
var ch = s.charCodeAt(i);
result = result * 32 - result + ch;
}
return result;
},
_objectHashId: function (key) {
var id = key._hashId;
if (Utils.isUndefined(id)) {
id = randomId();
key._hashId = id;
}
return id;
}
});
var Dictionary = kendo.Observable.extend({
init: function (dictionary) {
var that = this;
kendo.Observable.fn.init.call(that);
this._hashTable = new HashTable();
this.length = 0;
if (Utils.isDefined(dictionary)) {
if ($.isArray(dictionary)) {
for (var i = 0; i < dictionary.length; i++) {
this.add(dictionary[i]);
}
} else {
dictionary.forEach(function (k, v) {
this.add(k, v);
}, this);
}
}
},
add: function (key, value) {
var entry = this._hashTable.get(key);
if (!entry) {
entry = this._hashTable.add(key);
this.length++;
this.trigger('changed');
}
entry.value = value;
},
set: function (key, value) {
this.add(key, value);
},
get: function (key) {
var entry = this._hashTable.get(key);
if (entry) {
return entry.value;
}
throw new Error('Cannot find key ' + key);
},
containsKey: function (key) {
return this._hashTable.containsKey(key);
},
remove: function (key) {
if (this.containsKey(key)) {
this.trigger('changed');
this.length--;
return this._hashTable.remove(key);
}
},
forEach: function (func, thisRef) {
this._hashTable.forEach(function (entry) {
func.call(thisRef, entry.key, entry.value);
});
},
forEachValue: function (func, thisRef) {
this._hashTable.forEach(function (entry) {
func.call(thisRef, entry.value);
});
},
forEachKey: function (func, thisRef) {
this._hashTable.forEach(function (entry) {
func.call(thisRef, entry.key);
});
},
keys: function () {
var keys = [];
this.forEachKey(function (key) {
keys.push(key);
});
return keys;
}
});
var Queue = kendo.Class.extend({
init: function () {
this._tail = null;
this._head = null;
this.length = 0;
},
enqueue: function (value) {
var entry = {
value: value,
next: null
};
if (!this._head) {
this._head = entry;
this._tail = this._head;
} else {
this._tail.next = entry;
this._tail = this._tail.next;
}
this.length++;
},
dequeue: function () {
if (this.length < 1) {
throw new Error('The queue is empty.');
}
var value = this._head.value;
this._head = this._head.next;
this.length--;
return value;
},
contains: function (item) {
var current = this._head;
while (current) {
if (current.value === item) {
return true;
}
current = current.next;
}
return false;
}
});
var Set = kendo.Observable.extend({
init: function (resource) {
var that = this;
kendo.Observable.fn.init.call(that);
this._hashTable = new HashTable();
this.length = 0;
if (Utils.isDefined(resource)) {
if (resource instanceof HashTable) {
resource.forEach(function (d) {
this.add(d);
});
} else if (resource instanceof Dictionary) {
resource.forEach(function (k, v) {
this.add({
key: k,
value: v
});
}, this);
}
}
},
contains: function (item) {
return this._hashTable.containsKey(item);
},
add: function (item) {
var entry = this._hashTable.get(item);
if (!entry) {
this._hashTable.add(item, item);
this.length++;
this.trigger('changed');
}
},
get: function (item) {
if (this.contains(item)) {
return this._hashTable.get(item).value;
} else {
return null;
}
},
hash: function (item) {
return this._hashTable._hash(item);
},
remove: function (item) {
if (this.contains(item)) {
this._hashTable.remove(item);
this.length--;
this.trigger('changed');
}
},
forEach: function (func, context) {
this._hashTable.forEach(function (kv) {
func(kv.value);
}, context);
},
toArray: function () {
var r = [];
this.forEach(function (d) {
r.push(d);
});
return r;
}
});
var Node = kendo.Class.extend({
init: function (id, shape) {
this.links = [];
this.outgoing = [];
this.incoming = [];
this.weight = 1;
if (Utils.isDefined(id)) {
this.id = id;
} else {
this.id = randomId();
}
if (Utils.isDefined(shape)) {
this.associatedShape = shape;
var b = shape.bounds();
this.width = b.width;
this.height = b.height;
this.x = b.x;
this.y = b.y;
} else {
this.associatedShape = null;
}
this.data = null;
this.type = 'Node';
this.shortForm = 'Node \'' + this.id + '\'';
this.isVirtual = false;
},
isIsolated: function () {
return Utils.isEmpty(this.links);
},
bounds: function (r) {
if (!Utils.isDefined(r)) {
return new diagram.Rect(this.x, this.y, this.width, this.height);
}
this.x = r.x;
this.y = r.y;
this.width = r.width;
this.height = r.height;
},
isLinkedTo: function (node) {
var that = this;
return Utils.any(that.links, function (link) {
return link.getComplement(that) === node;
});
},
getChildren: function () {
if (this.outgoing.length === 0) {
return [];
}
var children = [];
for (var i = 0, len = this.outgoing.length; i < len; i++) {
var link = this.outgoing[i];
children.push(link.getComplement(this));
}
return children;
},
getParents: function () {
if (this.incoming.length === 0) {
return [];
}
var parents = [];
for (var i = 0, len = this.incoming.length; i < len; i++) {
var link = this.incoming[i];
parents.push(link.getComplement(this));
}
return parents;
},
clone: function () {
var copy = new Node();
if (Utils.isDefined(this.weight)) {
copy.weight = this.weight;
}
if (Utils.isDefined(this.balance)) {
copy.balance = this.balance;
}
if (Utils.isDefined(this.owner)) {
copy.owner = this.owner;
}
copy.associatedShape = this.associatedShape;
copy.x = this.x;
copy.y = this.y;
copy.width = this.width;
copy.height = this.height;
return copy;
},
adjacentTo: function (node) {
return this.isLinkedTo(node) !== null;
},
removeLink: function (link) {
if (link.source === this) {
Utils.remove(this.links, link);
Utils.remove(this.outgoing, link);
link.source = null;
}
if (link.target === this) {
Utils.remove(this.links, link);
Utils.remove(this.incoming, link);
link.target = null;
}
},
hasLinkTo: function (node) {
return Utils.any(this.outgoing, function (link) {
return link.target === node;
});
},
degree: function () {
return this.links.length;
},
incidentWith: function (link) {
return contains(this.links, link);
},
getLinksWith: function (node) {
return Utils.all(this.links, function (link) {
return link.getComplement(this) === node;
}, this);
},
getNeighbors: function () {
var neighbors = [];
Utils.forEach(this.incoming, function (e) {
neighbors.push(e.getComplement(this));
}, this);
Utils.forEach(this.outgoing, function (e) {
neighbors.push(e.getComplement(this));
}, this);
return neighbors;
}
});
var Link = kendo.Class.extend({
init: function (source, target, id, connection) {
if (Utils.isUndefined(source)) {
throw 'The source of the new link is not set.';
}
if (Utils.isUndefined(target)) {
throw 'The target of the new link is not set.';
}
var sourceFound, targetFound;
if (Utils.isString(source)) {
sourceFound = new Node(source);
} else {
sourceFound = source;
}
if (Utils.isString(target)) {
targetFound = new Node(target);
} else {
targetFound = target;
}
this.source = sourceFound;
this.target = targetFound;
this.source.links.push(this);
this.target.links.push(this);
this.source.outgoing.push(this);
this.target.incoming.push(this);
if (Utils.isDefined(id)) {
this.id = id;
} else {
this.id = randomId();
}
if (Utils.isDefined(connection)) {
this.associatedConnection = connection;
} else {
this.associatedConnection = null;
}
this.type = 'Link';
this.shortForm = 'Link \'' + this.source.id + '->' + this.target.id + '\'';
},
getComplement: function (node) {
if (this.source !== node && this.target !== node) {
throw 'The given node is not incident with this link.';
}
return this.source === node ? this.target : this.source;
},
getCommonNode: function (link) {
if (this.source === link.source || this.source === link.target) {
return this.source;
}
if (this.target === link.source || this.target === link.target) {
return this.target;
}
return null;
},
isBridging: function (v1, v2) {
return this.source === v1 && this.target === v2 || this.source === v2 && this.target === v1;
},
getNodes: function () {
return [
this.source,
this.target
];
},
incidentWith: function (node) {
return this.source === node || this.target === node;
},
adjacentTo: function (link) {
return contains(this.source.links, link) || contains(this.target.links, link);
},
changeSource: function (node) {
Utils.remove(this.source.links, this);
Utils.remove(this.source.outgoing, this);
node.links.push(this);
node.outgoing.push(this);
this.source = node;
},
changeTarget: function (node) {
Utils.remove(this.target.links, this);
Utils.remove(this.target.incoming, this);
node.links.push(this);
node.incoming.push(this);
this.target = node;
},
changesNodes: function (v, w) {
if (this.source === v) {
this.changeSource(w);
} else if (this.target === v) {
this.changeTarget(w);
}
},
reverse: function () {
var oldSource = this.source;
var oldTarget = this.target;
this.source = oldTarget;
Utils.remove(oldSource.outgoing, this);
this.source.outgoing.push(this);
this.target = oldSource;
Utils.remove(oldTarget.incoming, this);
this.target.incoming.push(this);
return this;
},
directTo: function (target) {
if (this.source !== target && this.target !== target) {
throw 'The given node is not incident with this link.';
}
if (this.target !== target) {
this.reverse();
}
},
createReverseEdge: function () {
var r = this.clone();
r.reverse();
r.reversed = true;
return r;
},
clone: function () {
var clone = new Link(this.source, this.target);
return clone;
}
});
var Graph = kendo.Class.extend({
init: function (idOrDiagram) {
this.links = [];
this.nodes = [];
this._nodeMap = new Dictionary();
this.diagram = null;
this._root = null;
if (Utils.isDefined(idOrDiagram)) {
if (Utils.isString(idOrDiagram)) {
this.id = idOrDiagram;
} else {
this.diagram = idOrDiagram;
this.id = idOrDiagram.id;
}
} else {
this.id = randomId();
}
this.bounds = new Rect();
this._hasCachedRelationships = false;
this.type = 'Graph';
},
cacheRelationships: function (forceRebuild) {
if (Utils.isUndefined(forceRebuild)) {
forceRebuild = false;
}
if (this._hasCachedRelationships && !forceRebuild) {
return;
}
for (var i = 0, len = this.nodes.length; i < len; i++) {
var node = this.nodes[i];
node.children = this.getChildren(node);
node.parents = this.getParents(node);
}
this._hasCachedRelationships = true;
},
assignLevels: function (startNode, offset, visited) {
if (!startNode) {
throw 'Start node not specified.';
}
if (Utils.isUndefined(offset)) {
offset = 0;
}
this.cacheRelationships();
if (Utils.isUndefined(visited)) {
visited = new Dictionary();
Utils.forEach(this.nodes, function (n) {
visited.add(n, false);
});
}
visited.set(startNode, true);
startNode.level = offset;
var children = startNode.children;
for (var i = 0, len = children.length; i < len; i++) {
var child = children[i];
if (!child || visited.get(child)) {
continue;
}
this.assignLevels(child, offset + 1, visited);
}
},
root: function (value) {
if (Utils.isUndefined(value)) {
if (!this._root) {
var found = Utils.first(this.nodes, function (n) {
return n.incoming.length === 0;
});
if (found) {
return found;
}
return Utils.first(this.nodes);
} else {
return this._root;
}
} else {
this._root = value;
}
},
getConnectedComponents: function () {
this.componentIndex = 0;
this.setItemIndices();
var componentId = Utils.initArray(this.nodes.length, -1);
for (var v = 0; v < this.nodes.length; v++) {
if (componentId[v] === -1) {
this._collectConnectedNodes(componentId, v);
this.componentIndex++;
}
}
var components = [], i;
for (i = 0; i < this.componentIndex; ++i) {
components[i] = new Graph();
}
for (i = 0; i < componentId.length; ++i) {
var graph = components[componentId[i]];
graph.addNodeAndOutgoings(this.nodes[i]);
}
components.sort(function (a, b) {
return b.nodes.length - a.nodes.length;
});
return components;
},
_collectConnectedNodes: function (setIds, nodeIndex) {
setIds[nodeIndex] = this.componentIndex;
var node = this.nodes[nodeIndex];
Utils.forEach(node.links, function (link) {
var next = link.getComplement(node);
var nextId = next.index;
if (setIds[nextId] === -1) {
this._collectConnectedNodes(setIds, nextId);
}
}, this);
},
calcBounds: function () {
if (this.isEmpty()) {
this.bounds = new Rect();
return this.bounds;
}
var b = null;
for (var i = 0, len = this.nodes.length; i < len; i++) {
var node = this.nodes[i];
if (!b) {
b = node.bounds();
} else {
b = b.union(node.bounds());
}
}
this.bounds = b;
return this.bounds;
},
getSpanningTree: function (root) {
var tree = new Graph();
var map = new Dictionary(), source, target;
tree.root = root.clone();
tree.root.level = 0;
tree.root.id = root.id;
map.add(root, tree.root);
root.level = 0;
var visited = [];
var remaining = [];
tree._addNode(tree.root);
visited.push(root);
remaining.push(root);
var levelCount = 1;
while (remaining.length > 0) {
var next = remaining.pop();
for (var ni = 0; ni < next.links.length; ni++) {
var link = next.links[ni];
var cn = link.getComplement(next);
if (contains(visited, cn)) {
continue;
}
cn.level = next.level + 1;
if (levelCount < cn.level + 1) {
levelCount = cn.level + 1;
}
if (!contains(remaining, cn)) {
remaining.push(cn);
}
if (!contains(visited, cn)) {
visited.push(cn);
}
if (map.containsKey(next)) {
source = map.get(next);
} else {
source = next.clone();
source.level = next.level;
source.id = next.id;
map.add(next, source);
}
if (map.containsKey(cn)) {
target = map.get(cn);
} else {
target = cn.clone();
target.level = cn.level;
target.id = cn.id;
map.add(cn, target);
}
var newLink = new Link(source, target);
tree.addLink(newLink);
}
}
var treeLevels = [];
for (var i = 0; i < levelCount; i++) {
treeLevels.push([]);
}
Utils.forEach(tree.nodes, function (node) {
treeLevels[node.level].push(node);
});
tree.treeLevels = treeLevels;
tree.cacheRelationships();
return tree;
},
takeRandomNode: function (excludedNodes, incidenceLessThan) {
if (Utils.isUndefined(excludedNodes)) {
excludedNodes = [];
}
if (Utils.isUndefined(incidenceLessThan)) {
incidenceLessThan = 4;
}
if (this.nodes.length === 0) {
return null;
}
if (this.nodes.length === 1) {
return contains(excludedNodes, this.nodes[0]) ? null : this.nodes[0];
}
var pool = $.grep(this.nodes, function (node) {
return !contains(excludedNodes, node) && node.degree() <= incidenceLessThan;
});
if (Utils.isEmpty(pool)) {
return null;
}
return pool[Utils.randomInteger(0, pool.length)];
},
isEmpty: function () {
return Utils.isEmpty(this.nodes);
},
isHealthy: function () {
return Utils.all(this.links, function (link) {
return contains(this.nodes, link.source) && contains(this.nodes, link.target);
}, this);
},
getParents: function (n) {
if (!this.hasNode(n)) {
throw 'The given node is not part of this graph.';
}
return n.getParents();
},
getChildren: function (n) {
if (!this.hasNode(n)) {
throw 'The given node is not part of this graph.';
}
return n.getChildren();
},
addLink: function (sourceOrLink, target, owner) {
if (Utils.isUndefined(sourceOrLink)) {
throw 'The source of the link is not defined.';
}
if (Utils.isUndefined(target)) {
if (Utils.isDefined(sourceOrLink.type) && sourceOrLink.type === 'Link') {
this.addExistingLink(sourceOrLink);
return;
} else {
throw 'The target of the link is not defined.';
}
}
var foundSource = this.getNode(sourceOrLink);
if (Utils.isUndefined(foundSource)) {
foundSource = this.addNode(sourceOrLink);
}
var foundTarget = this.getNode(target);
if (Utils.isUndefined(foundTarget)) {
foundTarget = this.addNode(target);
}
var newLink = new Link(foundSource, foundTarget);
if (Utils.isDefined(owner)) {
newLink.owner = owner;
}
this.links.push(newLink);
return newLink;
},
removeAllLinks: function () {
while (this.links.length > 0) {
var link = this.links[0];
this.removeLink(link);
}
},
addExistingLink: function (link) {
if (this.hasLink(link)) {
return;
}
this.links.push(link);
if (this.hasNode(link.source.id)) {
var s = this.getNode(link.source.id);
link.changeSource(s);
} else {
this.addNode(link.source);
}
if (this.hasNode(link.target.id)) {
var t = this.getNode(link.target.id);
link.changeTarget(t);
} else {
this.addNode(link.target);
}
},
hasLink: function (linkOrId) {
if (Utils.isString(linkOrId)) {
return Utils.any(this.links, function (link) {
return link.id === linkOrId;
});
}
if (linkOrId.type === 'Link') {
return contains(this.links, linkOrId);
}
throw 'The given object is neither an identifier nor a Link.';
},
getNode: function (nodeOrId) {
var id = nodeOrId.id || nodeOrId;
if (this._nodeMap.containsKey(id)) {
return this._nodeMap.get(id);
}
},
hasNode: function (nodeOrId) {
var id = nodeOrId.id || nodeOrId;
return this._nodeMap.containsKey(id);
},
_addNode: function (node) {
this.nodes.push(node);
this._nodeMap.add(node.id, node);
},
_removeNode: function (node) {
Utils.remove(this.nodes, node);
this._nodeMap.remove(node.id);
},
removeNode: function (nodeOrId) {
var n = nodeOrId;
if (Utils.isString(nodeOrId)) {
n = this.getNode(nodeOrId);
}
if (Utils.isDefined(n)) {
var links = n.links;
n.links = [];
for (var i = 0, len = links.length; i < len; i++) {
var link = links[i];
this.removeLink(link);
}
this._removeNode(n);
} else {
throw 'The identifier should be a Node or the Id (string) of a node.';
}
},
areConnected: function (n1, n2) {
return Utils.any(this.links, function (link) {
return link.source == n1 && link.target == n2 || link.source == n2 && link.target == n1;
});
},
removeLink: function (link) {
Utils.remove(this.links, link);
Utils.remove(link.source.outgoing, link);
Utils.remove(link.source.links, link);
Utils.remove(link.target.incoming, link);
Utils.remove(link.target.links, link);
},
addNode: function (nodeOrId, layoutRect, owner) {
var newNode = null;
if (!Utils.isDefined(nodeOrId)) {
throw 'No Node or identifier for a new Node is given.';
}
if (Utils.isString(nodeOrId)) {
if (this.hasNode(nodeOrId)) {
return this.getNode(nodeOrId);
}
newNode = new Node(nodeOrId);
} else {
if (this.hasNode(nodeOrId)) {
return this.getNode(nodeOrId);
}
newNode = nodeOrId;
}
if (Utils.isDefined(layoutRect)) {
newNode.bounds(layoutRect);
}
if (Utils.isDefined(owner)) {
newNode.owner = owner;
}
this._addNode(newNode);
return newNode;
},
addNodeAndOutgoings: function (node) {
if (!this.hasNode(node)) {
this._addNode(node);
}
var newLinks = node.outgoing;
node.outgoing = [];
Utils.forEach(newLinks, function (link) {
this.addExistingLink(link);
}, this);
},
setItemIndices: function () {
var i;
for (i = 0; i < this.nodes.length; ++i) {
this.nodes[i].index = i;
}
for (i = 0; i < this.links.length; ++i) {
this.links[i].index = i;
}
},
clone: function (saveMapping) {
var copy = new Graph();
var save = Utils.isDefined(saveMapping) && saveMapping === true;
if (save) {
copy.nodeMap = new Dictionary();
copy.linkMap = new Dictionary();
}
var map = new Dictionary();
Utils.forEach(this.nodes, function (nOriginal) {
var nCopy = nOriginal.clone();
map.set(nOriginal, nCopy);
copy._addNode(nCopy);
if (save) {
copy.nodeMap.set(nCopy, nOriginal);
}
});
Utils.forEach(this.links, function (linkOriginal) {
if (map.containsKey(linkOriginal.source) && map.containsKey(linkOriginal.target)) {
var linkCopy = copy.addLink(map.get(linkOriginal.source), map.get(linkOriginal.target));
if (save) {
copy.linkMap.set(linkCopy, linkOriginal);
}
}
});
return copy;
},
linearize: function (addIds) {
return Graph.Utils.linearize(this, addIds);
},
depthFirstTraversal: function (startNode, action) {
if (Utils.isUndefined(startNode)) {
throw 'You need to supply a starting node.';
}
if (Utils.isUndefined(action)) {
throw 'You need to supply an action.';
}
if (!this.hasNode(startNode)) {
throw 'The given start-node is not part of this graph';
}
var foundNode = this.getNode(startNode);
var visited = [];
this._dftIterator(foundNode, action, visited);
},
_dftIterator: function (node, action, visited) {
action(node);
visited.push(node);
var children = node.getChildren();
for (var i = 0, len = children.length; i < len; i++) {
var child = children[i];
if (contains(visited, child)) {
continue;
}
this._dftIterator(child, action, visited);
}
},
breadthFirstTraversal: function (startNode, action) {
if (Utils.isUndefined(startNode)) {
throw 'You need to supply a starting node.';
}
if (Utils.isUndefined(action)) {
throw 'You need to supply an action.';
}
if (!this.hasNode(startNode)) {
throw 'The given start-node is not part of this graph';
}
var foundNode = this.getNode(startNode);
var queue = new Queue();
var visited = [];
queue.enqueue(foundNode);
while (queue.length > 0) {
var node = queue.dequeue();
action(node);
visited.push(node);
var children = node.getChildren();
for (var i = 0, len = children.length; i < len; i++) {
var child = children[i];
if (contains(visited, child) || contains(queue, child)) {
continue;
}
queue.enqueue(child);
}
}
},
_stronglyConnectedComponents: function (excludeSingleItems, node, indices, lowLinks, connected, stack, index) {
indices.add(node, index);
lowLinks.add(node, index);
index++;
stack.push(node);
var children = node.getChildren(), next;
for (var i = 0, len = children.length; i < len; i++) {
next = children[i];
if (!indices.containsKey(next)) {
this._stronglyConnectedComponents(excludeSingleItems, next, indices, lowLinks, connected, stack, index);
lowLinks.add(node, Math.min(lowLinks.get(node), lowLinks.get(next)));
} else if (contains(stack, next)) {
lowLinks.add(node, Math.min(lowLinks.get(node), indices.get(next)));
}
}
if (lowLinks.get(node) === indices.get(node)) {
var component = [];
do {
next = stack.pop();
component.push(next);
} while (next !== node);
if (!excludeSingleItems || component.length > 1) {
connected.push(component);
}
}
},
findCycles: function (excludeSingleItems) {
if (Utils.isUndefined(excludeSingleItems)) {
excludeSingleItems = true;
}
var indices = new Dictionary();
var lowLinks = new Dictionary();
var connected = [];
var stack = [];
for (var i = 0, len = this.nodes.length; i < len; i++) {
var node = this.nodes[i];
if (indices.containsKey(node)) {
continue;
}
this._stronglyConnectedComponents(excludeSingleItems, node, indices, lowLinks, connected, stack, 0);
}
return connected;
},
isAcyclic: function () {
return Utils.isEmpty(this.findCycles());
},
isSubGraph: function (other) {
var otherArray = other.linearize();
var thisArray = this.linearize();
return Utils.all(otherArray, function (s) {
return contains(thisArray, s);
});
},
makeAcyclic: function () {
if (this.isEmpty() || this.nodes.length <= 1 || this.links.length <= 1) {
return [];
}
if (this.nodes.length == 2) {
var result = [];
if (this.links.length > 1) {
var oneLink = this.links[0];
var oneNode = oneLink.source;
for (var i = 0, len = this.links.length; i < len; i++) {
var link = this.links[i];
if (link.source == oneNode) {
continue;
}
var rev = link.reverse();
result.push(rev);
}
}
return result;
}
var copy = this.clone(true);
var N = this.nodes.length;
var intensityCatalog = new Dictionary();
var flowIntensity = function (node) {
if (node.outgoing.length === 0) {
return 2 - N;
} else if (node.incoming.length === 0) {
return N - 2;
} else {
return node.outgoing.length - node.incoming.length;
}
};
var catalogEqualIntensity = function (node, intensityCatalog) {
var intensity = flowIntensity(node, N);
if (!intensityCatalog.containsKey(intensity)) {
intensityCatalog.set(intensity, []);
}
intensityCatalog.get(intensity).push(node);
};
Utils.forEach(copy.nodes, function (v) {
catalogEqualIntensity(v, intensityCatalog);
});
var sourceStack = [];
var targetStack = [];
while (copy.nodes.length > 0) {
var source, target, intensity;
if (intensityCatalog.containsKey(2 - N)) {
var targets = intensityCatalog.get(2 - N);
while (targets.length > 0) {
target = targets.pop();
for (var li = 0; li < target.links.length; li++) {
var targetLink = target.links[li];
source = targetLink.getComplement(target);
intensity = flowIntensity(source, N);
Utils.remove(intensityCatalog.get(intensity), source);
source.removeLink(targetLink);
catalogEqualIntensity(source, intensityCatalog);
}
copy._removeNode(target);
targetStack.unshift(target);
}
}
if (intensityCatalog.containsKey(N - 2)) {
var sources = intensityCatalog.get(N - 2);
while (sources.length > 0) {
source = sources.pop();
for (var si = 0; si < source.links.length; si++) {
var sourceLink = source.links[si];
target = sourceLink.getComplement(source);
intensity = flowIntensity(target, N);
Utils.remove(intensityCatalog.get(intensity), target);
target.removeLink(sourceLink);
catalogEqualIntensity(target, intensityCatalog);
}
sourceStack.push(source);
copy._removeNode(source);
}
}
if (copy.nodes.length > 0) {
for (var k = N - 3; k > 2 - N; k--) {
if (intensityCatalog.containsKey(k) && intensityCatalog.get(k).length > 0) {
var maxdiff = intensityCatalog.get(k);
var v = maxdiff.pop();
for (var ri = 0; ri < v.links.length; ri++) {
var ril = v.links[ri];
var u = ril.getComplement(v);
intensity = flowIntensity(u, N);
Utils.remove(intensityCatalog.get(intensity), u);
u.removeLink(ril);
catalogEqualIntensity(u, intensityCatalog);
}
sourceStack.push(v);
copy._removeNode(v);
break;
}
}
}
}
sourceStack = sourceStack.concat(targetStack);
var vertexOrder = new Dictionary();
for (var kk = 0; kk < this.nodes.length; kk++) {
vertexOrder.set(copy.nodeMap.get(sourceStack[kk]), kk);
}
var reversedEdges = [];
Utils.forEach(this.links, function (link) {
if (vertexOrder.get(link.source) > vertexOrder.get(link.target)) {
link.reverse();
reversedEdges.push(link);
}
});
return reversedEdges;
}
});
Graph.Predefined = {
EightGraph: function () {
return Graph.Utils.parse([
'1->2',
'2->3',
'3->4',
'4->1',
'3->5',
'5->6',
'6->7',
'7->3'
]);
},
Mindmap: function () {
return Graph.Utils.parse([
'0->1',
'0->2',
'0->3',
'0->4',
'0->5',
'1->6',
'1->7',
'7->8',
'2->9',
'9->10',
'9->11',
'3->12',
'12->13',
'13->14',
'4->15',
'4->16',
'15->17',
'15->18',
'18->19',
'18->20',
'14->21',
'14->22',
'5->23',
'23->24',
'23->25',
'6->26'
]);
},
ThreeGraph: function () {
return Graph.Utils.parse([
'1->2',
'2->3',
'3->1'
]);
},
BinaryTree: function (levels) {
if (Utils.isUndefined(levels)) {
levels = 5;
}
return Graph.Utils.createBalancedTree(levels, 2);
},
Linear: function (length) {
if (Utils.isUndefined(length)) {
length = 10;
}
return Graph.Utils.createBalancedTree(length, 1);
},
Tree: function (levels, siblingsCount) {
return Graph.Utils.createBalancedTree(levels, siblingsCount);
},
Forest: function (levels, siblingsCount, trees) {
return Graph.Utils.createBalancedForest(levels, siblingsCount, trees);
},
Workflow: function () {
return Graph.Utils.parse([
'0->1',
'1->2',
'2->3',
'1->4',
'4->3',
'3->5',
'5->6',
'6->3',
'6->7',
'5->4'
]);
},
Grid: function (n, m) {
var g = new diagram.Graph();
if (n <= 0 && m <= 0) {
return g;
}
for (var i = 0; i < n + 1; i++) {
var previous = null;
for (var j = 0; j < m + 1; j++) {
var node = new Node(i.toString() + '.' + j.toString());
g.addNode(node);
if (previous) {
g.addLink(previous, node);
}
if (i > 0) {
var left = g.getNode((i - 1).toString() + '.' + j.toString());
g.addLink(left, node);
}
previous = node;
}
}
return g;
}
};
Graph.Utils = {
parse: function (graphString) {
var previousLink, graph = new diagram.Graph(), parts = graphString.slice();
for (var i = 0, len = parts.length; i < len; i++) {
var part = parts[i];
if (Utils.isString(part)) {
if (part.indexOf('->') < 0) {
throw 'The link should be specified as \'a->b\'.';
}
var p = part.split('->');
if (p.length != 2) {
throw 'The link should be specified as \'a->b\'.';
}
previousLink = new Link(p[0], p[1]);
graph.addLink(previousLink);
}
if (Utils.isObject(part)) {
if (!previousLink) {
throw 'Specification found before Link definition.';
}
kendo.deepExtend(previousLink, part);
}
}
return graph;
},
linearize: function (graph, addIds) {
if (Utils.isUndefined(graph)) {
throw 'Expected an instance of a Graph object in slot one.';
}
if (Utils.isUndefined(addIds)) {
addIds = false;
}
var lin = [];
for (var i = 0, len = graph.links.length; i < len; i++) {
var link = graph.links[i];
lin.push(link.source.id + '->' + link.target.id);
if (addIds) {
lin.push({ id: link.id });
}
}
return lin;
},
_addShape: function (kendoDiagram, p, id, shapeDefaults) {
if (Utils.isUndefined(p)) {
p = new diagram.Point(0, 0);
}
if (Utils.isUndefined(id)) {
id = randomId();
}
shapeDefaults = kendo.deepExtend({
width: 20,
height: 20,
id: id,
radius: 10,
fill: '#778899',
data: 'circle',
undoable: false,
x: p.x,
y: p.y
}, shapeDefaults);
return kendoDiagram.addShape(shapeDefaults);
},
_addConnection: function (diagram, from, to, options) {
return diagram.connect(from, to, options);
},
createDiagramFromGraph: function (diagram, graph, doLayout, randomSize) {
if (Utils.isUndefined(diagram)) {
throw 'The diagram surface is undefined.';
}
if (Utils.isUndefined(graph)) {
throw 'No graph specification defined.';
}
if (Utils.isUndefined(doLayout)) {
doLayout = true;
}
if (Utils.isUndefined(randomSize)) {
randomSize = false;
}
var width = diagram.element.clientWidth || 200;
var height = diagram.element.clientHeight || 200;
var map = [], node, shape;
for (var i = 0, len = graph.nodes.length; i < len; i++) {
node = graph.nodes[i];
var p = node.position;
if (Utils.isUndefined(p)) {
if (Utils.isDefined(node.x) && Utils.isDefined(node.y)) {
p = new Point(node.x, node.y);
} else {
p = new Point(Utils.randomInteger(10, width - 20), Utils.randomInteger(10, height - 20));
}
}
var opt = {};
if (node.id === '0') {
} else if (randomSize) {
kendo.deepExtend(opt, {
width: Math.random() * 150 + 20,
height: Math.random() * 80 + 50,
data: 'rectangle',
fill: { color: '#778899' }
});
}
shape = this._addShape(diagram, p, node.id, opt);
var bounds = shape.bounds();
if (Utils.isDefined(bounds)) {
node.x = bounds.x;
node.y = bounds.y;
node.width = bounds.width;
node.height = bounds.height;
}
map[node.id] = shape;
}
for (var gli = 0; gli < graph.links.length; gli++) {
var link = graph.links[gli];
var sourceShape = map[link.source.id];
if (Utils.isUndefined(sourceShape)) {
continue;
}
var targetShape = map[link.target.id];
if (Utils.isUndefined(targetShape)) {
continue;
}
this._addConnection(diagram, sourceShape, targetShape, { id: link.id });
}
if (doLayout) {
var l = new diagram.SpringLayout(diagram);
l.layoutGraph(graph, { limitToView: false });
for (var shi = 0; shi < graph.nodes.length; shi++) {
node = graph.nodes[shi];
shape = map[node.id];
shape.bounds(new Rect(node.x, node.y, node.width, node.height));
}
}
},
createBalancedTree: function (levels, siblingsCount) {
if (Utils.isUndefined(levels)) {
levels = 3;
}
if (Utils.isUndefined(siblingsCount)) {
siblingsCount = 3;
}
var g = new diagram.Graph(), counter = -1, lastAdded = [], news;
if (levels <= 0 || siblingsCount <= 0) {
return g;
}
var root = new Node((++counter).toString());
g.addNode(root);
g.root = root;
lastAdded.push(root);
for (var i = 0; i < levels; i++) {
news = [];
for (var j = 0; j < lastAdded.length; j++) {
var parent = lastAdded[j];
for (var k = 0; k < siblingsCount; k++) {
var item = new Node((++counter).toString());
g.addLink(parent, item);
news.push(item);
}
}
lastAdded = news;
}
return g;
},
createBalancedForest: function (levels, siblingsCount, treeCount) {
if (Utils.isUndefined(levels)) {
levels = 3;
}
if (Utils.isUndefined(siblingsCount)) {
siblingsCount = 3;
}
if (Utils.isUndefined(treeCount)) {
treeCount = 5;
}
var g = new diagram.Graph(), counter = -1, lastAdded = [], news;
if (levels <= 0 || siblingsCount <= 0 || treeCount <= 0) {
return g;
}
for (var t = 0; t < treeCount; t++) {
var root = new Node((++counter).toString());
g.addNode(root);
lastAdded = [root];
for (var i = 0; i < levels; i++) {
news = [];
for (var j = 0; j < lastAdded.length; j++) {
var parent = lastAdded[j];
for (var k = 0; k < siblingsCount; k++) {
var item = new Node((++counter).toString());
g.addLink(parent, item);
news.push(item);
}
}
lastAdded = news;
}
}
return g;
},
createRandomConnectedGraph: function (nodeCount, maxIncidence, isTree) {
if (Utils.isUndefined(nodeCount)) {
nodeCount = 40;
}
if (Utils.isUndefined(maxIncidence)) {
maxIncidence = 4;
}
if (Utils.isUndefined(isTree)) {
isTree = false;
}
var g = new diagram.Graph(), counter = -1;
if (nodeCount <= 0) {
return g;
}
var root = new Node((++counter).toString());
g.addNode(root);
if (nodeCount === 1) {
return g;
}
if (nodeCount > 1) {
for (var i = 1; i < nodeCount; i++) {
var poolNode = g.takeRandomNode([], maxIncidence);
if (!poolNode) {
break;
}
var newNode = g.addNode(i.toString());
g.addLink(poolNode, newNode);
}
if (!isTree && nodeCount > 1) {
var randomAdditions = Utils.randomInteger(1, nodeCount);
for (var ri = 0; ri < randomAdditions; ri++) {
var n1 = g.takeRandomNode([], maxIncidence);
var n2 = g.takeRandomNode([], maxIncidence);
if (n1 && n2 && !g.areConnected(n1, n2)) {
g.addLink(n1, n2);
}
}
}
return g;
}
},
randomDiagram: function (diagram, shapeCount, maxIncidence, isTree, randomSize) {
var g = kendo.dataviz.diagram.Graph.Utils.createRandomConnectedGraph(shapeCount, maxIncidence, isTree);
Graph.Utils.createDiagramFromGraph(diagram, g, false, randomSize);
}
};
kendo.deepExtend(diagram, {
init: function (element) {
kendo.init(element, diagram.ui);
},
Point: Point,
Intersect: Intersect,
Geometry: Geometry,
Rect: Rect,
Size: Size,
RectAlign: RectAlign,
Matrix: Matrix,
MatrixVector: MatrixVector,
normalVariable: normalVariable,
randomId: randomId,
Dictionary: Dictionary,
HashTable: HashTable,
Queue: Queue,
Set: Set,
Node: Node,
Link: Link,
Graph: Graph,
PathDefiner: PathDefiner
});
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('dataviz/diagram/svg', [
'kendo.drawing',
'dataviz/diagram/math'
], f);
}(function () {
(function ($, undefined) {
var kendo = window.kendo, diagram = kendo.dataviz.diagram, Class = kendo.Class, deepExtend = kendo.deepExtend, Point = diagram.Point, Rect = diagram.Rect, Matrix = diagram.Matrix, Utils = diagram.Utils, isNumber = Utils.isNumber, isString = Utils.isString, MatrixVector = diagram.MatrixVector, g = kendo.geometry, d = kendo.drawing, defined = kendo.util.defined, inArray = $.inArray;
var TRANSPARENT = 'transparent', Markers = {
none: 'none',
arrowStart: 'ArrowStart',
filledCircle: 'FilledCircle',
arrowEnd: 'ArrowEnd'
}, FULL_CIRCLE_ANGLE = 360, START = 'start', END = 'end', WIDTH = 'width', HEIGHT = 'height', X = 'x', Y = 'y';
diagram.Markers = Markers;
function diffNumericOptions(options, fields) {
var elementOptions = this.options;
var hasChanges = false;
var value, field;
for (var i = 0; i < fields.length; i++) {
field = fields[i];
value = options[field];
if (isNumber(value) && elementOptions[field] !== value) {
elementOptions[field] = value;
hasChanges = true;
}
}
return hasChanges;
}
var Scale = Class.extend({
init: function (x, y) {
this.x = x;
this.y = y;
},
toMatrix: function () {
return Matrix.scaling(this.x, this.y);
},
toString: function () {
return kendo.format('scale({0},{1})', this.x, this.y);
},
invert: function () {
return new Scale(1 / this.x, 1 / this.y);
}
});
var Translation = Class.extend({
init: function (x, y) {
this.x = x;
this.y = y;
},
toMatrixVector: function () {
return new MatrixVector(0, 0, 0, 0, this.x, this.y);
},
toMatrix: function () {
return Matrix.translation(this.x, this.y);
},
toString: function () {
return kendo.format('translate({0},{1})', this.x, this.y);
},
plus: function (delta) {
this.x += delta.x;
this.y += delta.y;
},
times: function (factor) {
this.x *= factor;
this.y *= factor;
},
length: function () {
return Math.sqrt(this.x * this.x + this.y * this.y);
},
normalize: function () {
if (this.Length === 0) {
return;
}
this.times(1 / this.length());
},
invert: function () {
return new Translation(-this.x, -this.y);
}
});
var Rotation = Class.extend({
init: function (angle, x, y) {
this.x = x || 0;
this.y = y || 0;
this.angle = angle;
},
toString: function () {
if (this.x && this.y) {
return kendo.format('rotate({0},{1},{2})', this.angle, this.x, this.y);
} else {
return kendo.format('rotate({0})', this.angle);
}
},
toMatrix: function () {
return Matrix.rotation(this.angle, this.x, this.y);
},
center: function () {
return new Point(this.x, this.y);
},
invert: function () {
return new Rotation(FULL_CIRCLE_ANGLE - this.angle, this.x, this.y);
}
});
Rotation.ZERO = new Rotation(0);
Rotation.create = function (rotation) {
return new Rotation(rotation.angle, rotation.x, rotation.y);
};
Rotation.parse = function (str) {
var values = str.slice(1, str.length - 1).split(','), angle = values[0], x = values[1], y = values[2];
var rotation = new Rotation(angle, x, y);
return rotation;
};
var CompositeTransform = Class.extend({
init: function (x, y, scaleX, scaleY, angle, center) {
this.translate = new Translation(x, y);
if (scaleX !== undefined && scaleY !== undefined) {
this.scale = new Scale(scaleX, scaleY);
}
if (angle !== undefined) {
this.rotate = center ? new Rotation(angle, center.x, center.y) : new Rotation(angle);
}
},
toString: function () {
var toString = function (transform) {
return transform ? transform.toString() : '';
};
return toString(this.translate) + toString(this.rotate) + toString(this.scale);
},
render: function (visual) {
visual._transform = this;
visual._renderTransform();
},
toMatrix: function () {
var m = Matrix.unit();
if (this.translate) {
m = m.times(this.translate.toMatrix());
}
if (this.rotate) {
m = m.times(this.rotate.toMatrix());
}
if (this.scale) {
m = m.times(this.scale.toMatrix());
}
return m;
},
invert: function () {
var rotate = this.rotate ? this.rotate.invert() : undefined, rotateMatrix = rotate ? rotate.toMatrix() : Matrix.unit(), scale = this.scale ? this.scale.invert() : undefined, scaleMatrix = scale ? scale.toMatrix() : Matrix.unit();
var translatePoint = new Point(-this.translate.x, -this.translate.y);
translatePoint = rotateMatrix.times(scaleMatrix).apply(translatePoint);
var translate = new Translation(translatePoint.x, translatePoint.y);
var transform = new CompositeTransform();
transform.translate = translate;
transform.rotate = rotate;
transform.scale = scale;
return transform;
}
});
var AutoSizeableMixin = {
_setScale: function () {
var options = this.options;
var originWidth = this._originWidth;
var originHeight = this._originHeight;
var scaleX = options.width / originWidth;
var scaleY = options.height / originHeight;
if (!isNumber(scaleX)) {
scaleX = 1;
}
if (!isNumber(scaleY)) {
scaleY = 1;
}
this._transform.scale = new Scale(scaleX, scaleY);
},
_setTranslate: function () {
var options = this.options;
var x = options.x || 0;
var y = options.y || 0;
this._transform.translate = new Translation(x, y);
},
_initSize: function () {
var options = this.options;
var transform = false;
if (options.autoSize !== false && (defined(options.width) || defined(options.height))) {
this._measure(true);
this._setScale();
transform = true;
}
if (defined(options.x) || defined(options.y)) {
this._setTranslate();
transform = true;
}
if (transform) {
this._renderTransform();
}
},
_updateSize: function (options) {
var update = false;
if (this.options.autoSize !== false && this._diffNumericOptions(options, [
WIDTH,
HEIGHT
])) {
update = true;
this._measure(true);
this._setScale();
}
if (this._diffNumericOptions(options, [
X,
Y
])) {
update = true;
this._setTranslate();
}
if (update) {
this._renderTransform();
}
return update;
}
};
var Element = Class.extend({
init: function (options) {
var element = this;
element.options = deepExtend({}, element.options, options);
element.id = element.options.id;
element._originSize = Rect.empty();
element._transform = new CompositeTransform();
},
visible: function (value) {
return this.drawingContainer().visible(value);
},
redraw: function (options) {
if (options && options.id) {
this.id = options.id;
}
},
position: function (x, y) {
var options = this.options;
if (!defined(x)) {
return new Point(options.x, options.y);
}
if (defined(y)) {
options.x = x;
options.y = y;
} else if (x instanceof Point) {
options.x = x.x;
options.y = x.y;
}
this._transform.translate = new Translation(options.x, options.y);
this._renderTransform();
},
rotate: function (angle, center) {
if (defined(angle)) {
this._transform.rotate = new Rotation(angle, center.x, center.y);
this._renderTransform();
}
return this._transform.rotate || Rotation.ZERO;
},
drawingContainer: function () {
return this.drawingElement;
},
_renderTransform: function () {
var matrix = this._transform.toMatrix();
this.drawingContainer().transform(new g.Matrix(matrix.a, matrix.b, matrix.c, matrix.d, matrix.e, matrix.f));
},
_hover: function () {
},
_diffNumericOptions: diffNumericOptions,
_measure: function (force) {
var rect;
if (!this._measured || force) {
var box = this._boundingBox() || new g.Rect();
var startPoint = box.topLeft();
rect = new Rect(startPoint.x, startPoint.y, box.width(), box.height());
this._originSize = rect;
this._originWidth = rect.width;
this._originHeight = rect.height;
this._measured = true;
} else {
rect = this._originSize;
}
return rect;
},
_boundingBox: function () {
return this.drawingElement.rawBBox();
}
});
var VisualBase = Element.extend({
init: function (options) {
Element.fn.init.call(this, options);
options = this.options;
options.fill = normalizeDrawingOptions(options.fill);
options.stroke = normalizeDrawingOptions(options.stroke);
},
options: {
stroke: {
color: 'gray',
width: 1
},
fill: { color: TRANSPARENT }
},
fill: function (color, opacity) {
this._fill({
color: getColor(color),
opacity: opacity
});
},
stroke: function (color, width, opacity) {
this._stroke({
color: getColor(color),
width: width,
opacity: opacity
});
},
redraw: function (options) {
if (options) {
var stroke = options.stroke;
var fill = options.fill;
if (stroke) {
this._stroke(normalizeDrawingOptions(stroke));
}
if (fill) {
this._fill(normalizeDrawingOptions(fill));
}
Element.fn.redraw.call(this, options);
}
},
_hover: function (show) {
var drawingElement = this.drawingElement;
var options = this.options;
var hover = options.hover;
if (hover && hover.fill) {
var fill = show ? normalizeDrawingOptions(hover.fill) : options.fill;
drawingElement.fill(fill.color, fill.opacity);
}
},
_stroke: function (strokeOptions) {
var options = this.options;
deepExtend(options, { stroke: strokeOptions });
strokeOptions = options.stroke;
var stroke = null;
if (strokeOptions.width > 0) {
stroke = {
color: strokeOptions.color,
width: strokeOptions.width,
opacity: strokeOptions.opacity,
dashType: strokeOptions.dashType
};
}
this.drawingElement.options.set('stroke', stroke);
},
_fill: function (fillOptions) {
var options = this.options;
deepExtend(options, { fill: fillOptions || {} });
var fill = options.fill;
if (fill.gradient) {
var gradient = fill.gradient;
var GradientClass = gradient.type === 'radial' ? d.RadialGradient : d.LinearGradient;
this.drawingElement.fill(new GradientClass(gradient));
} else {
this.drawingElement.fill(fill.color, fill.opacity);
}
}
});
var TextBlock = VisualBase.extend({
init: function (options) {
this._textColor(options);
VisualBase.fn.init.call(this, options);
this._font();
this._initText();
this._initSize();
},
options: {
fontSize: 15,
fontFamily: 'sans-serif',
stroke: { width: 0 },
fill: { color: 'black' },
autoSize: true
},
_initText: function () {
var options = this.options;
this.drawingElement = new d.Text(defined(options.text) ? options.text : '', new g.Point(), { font: options.font });
this._fill();
this._stroke();
},
_textColor: function (options) {
if (options && options.color) {
deepExtend(options, { fill: { color: options.color } });
}
},
_font: function () {
var options = this.options;
if (options.fontFamily && defined(options.fontSize)) {
options.font = options.fontSize + 'px ' + options.fontFamily;
} else {
delete options.font;
}
},
content: function (text) {
return this.drawingElement.content(text);
},
redraw: function (options) {
if (options) {
var sizeChanged = false;
var textOptions = this.options;
this._textColor(options);
VisualBase.fn.redraw.call(this, options);
if (options.fontFamily || defined(options.fontSize)) {
deepExtend(textOptions, {
fontFamily: options.fontFamily,
fontSize: options.fontSize
});
this._font();
this.drawingElement.options.set('font', textOptions.font);
sizeChanged = true;
}
if (options.text) {
this.content(options.text);
sizeChanged = true;
}
if (!this._updateSize(options) && sizeChanged) {
this._initSize();
}
}
}
});
deepExtend(TextBlock.fn, AutoSizeableMixin);
var Rectangle = VisualBase.extend({
init: function (options) {
VisualBase.fn.init.call(this, options);
this._initPath();
this._setPosition();
},
_setPosition: function () {
var options = this.options;
var x = options.x;
var y = options.y;
if (defined(x) || defined(y)) {
this.position(x || 0, y || 0);
}
},
redraw: function (options) {
if (options) {
VisualBase.fn.redraw.call(this, options);
if (this._diffNumericOptions(options, [
WIDTH,
HEIGHT
])) {
this._drawPath();
}
if (this._diffNumericOptions(options, [
X,
Y
])) {
this._setPosition();
}
}
},
_initPath: function () {
var options = this.options;
this.drawingElement = new d.Path({
stroke: options.stroke,
closed: true
});
this._fill();
this._drawPath();
},
_drawPath: function () {
var drawingElement = this.drawingElement;
var sizeOptions = sizeOptionsOrDefault(this.options);
var width = sizeOptions.width;
var height = sizeOptions.height;
drawingElement.segments.elements([
createSegment(0, 0),
createSegment(width, 0),
createSegment(width, height),
createSegment(0, height)
]);
}
});
var MarkerBase = VisualBase.extend({
init: function (options) {
VisualBase.fn.init.call(this, options);
var anchor = this.options.anchor;
this.anchor = new g.Point(anchor.x, anchor.y);
this.createElement();
},
options: {
stroke: {
color: TRANSPARENT,
width: 0
},
fill: { color: 'black' }
},
_transformToPath: function (point, path) {
var transform = path.transform();
if (point && transform) {
point = point.transformCopy(transform);
}
return point;
},
redraw: function (options) {
if (options) {
if (options.position) {
this.options.position = options.position;
}
VisualBase.fn.redraw.call(this, options);
}
}
});
var CircleMarker = MarkerBase.extend({
options: {
radius: 4,
anchor: {
x: 0,
y: 0
}
},
createElement: function () {
var options = this.options;
this.drawingElement = new d.Circle(new g.Circle(this.anchor, options.radius), {
fill: options.fill,
stroke: options.stroke
});
},
positionMarker: function (path) {
var options = this.options;
var position = options.position;
var segments = path.segments;
var targetSegment;
var point;
if (position == START) {
targetSegment = segments[0];
} else {
targetSegment = segments[segments.length - 1];
}
if (targetSegment) {
point = this._transformToPath(targetSegment.anchor(), path);
this.drawingElement.transform(g.transform().translate(point.x, point.y));
}
}
});
var ArrowMarker = MarkerBase.extend({
options: {
path: 'M 0 0 L 10 5 L 0 10 L 3 5 z',
anchor: {
x: 10,
y: 5
}
},
createElement: function () {
var options = this.options;
this.drawingElement = d.Path.parse(options.path, {
fill: options.fill,
stroke: options.stroke
});
},
positionMarker: function (path) {
var points = this._linePoints(path);
var start = points.start;
var end = points.end;
var transform = g.transform();
if (start) {
transform.rotate(lineAngle(start, end), end);
}
if (end) {
var anchor = this.anchor;
var translate = end.clone().translate(-anchor.x, -anchor.y);
transform.translate(translate.x, translate.y);
}
this.drawingElement.transform(transform);
},
_linePoints: function (path) {
var options = this.options;
var segments = path.segments;
var startPoint, endPoint, targetSegment;
if (options.position == START) {
targetSegment = segments[0];
if (targetSegment) {
endPoint = targetSegment.anchor();
startPoint = targetSegment.controlOut();
var nextSegment = segments[1];
if (!startPoint && nextSegment) {
startPoint = nextSegment.anchor();
}
}
} else {
targetSegment = segments[segments.length - 1];
if (targetSegment) {
endPoint = targetSegment.anchor();
startPoint = targetSegment.controlIn();
var prevSegment = segments[segments.length - 2];
if (!startPoint && prevSegment) {
startPoint = prevSegment.anchor();
}
}
}
if (endPoint) {
return {
start: this._transformToPath(startPoint, path),
end: this._transformToPath(endPoint, path)
};
}
}
});
var MarkerPathMixin = {
_getPath: function (position) {
var path = this.drawingElement;
if (path instanceof d.MultiPath) {
if (position == START) {
path = path.paths[0];
} else {
path = path.paths[path.paths.length - 1];
}
}
if (path && path.segments.length) {
return path;
}
},
_normalizeMarkerOptions: function (options) {
var startCap = options.startCap;
var endCap = options.endCap;
if (isString(startCap)) {
options.startCap = { type: startCap };
}
if (isString(endCap)) {
options.endCap = { type: endCap };
}
},
_removeMarker: function (position) {
var marker = this._markers[position];
if (marker) {
this.drawingContainer().remove(marker.drawingElement);
delete this._markers[position];
}
},
_createMarkers: function () {
var options = this.options;
this._normalizeMarkerOptions(options);
this._markers = {};
this._markers[START] = this._createMarker(options.startCap, START);
this._markers[END] = this._createMarker(options.endCap, END);
},
_createMarker: function (options, position) {
var type = (options || {}).type;
var path = this._getPath(position);
var markerType, marker;
if (!path) {
this._removeMarker(position);
return;
}
if (type == Markers.filledCircle) {
markerType = CircleMarker;
} else if (type == Markers.arrowStart || type == Markers.arrowEnd) {
markerType = ArrowMarker;
} else {
this._removeMarker(position);
}
if (markerType) {
marker = new markerType(deepExtend({}, options, { position: position }));
marker.positionMarker(path);
this.drawingContainer().append(marker.drawingElement);
return marker;
}
},
_positionMarker: function (position) {
var marker = this._markers[position];
if (marker) {
var path = this._getPath(position);
if (path) {
marker.positionMarker(path);
} else {
this._removeMarker(position);
}
}
},
_capMap: {
start: 'startCap',
end: 'endCap'
},
_redrawMarker: function (pathChange, position, options) {
this._normalizeMarkerOptions(options);
var pathOptions = this.options;
var cap = this._capMap[position];
var pathCapType = (pathOptions[cap] || {}).type;
var optionsCap = options[cap];
var created = false;
if (optionsCap) {
pathOptions[cap] = deepExtend({}, pathOptions[cap], optionsCap);
if (optionsCap.type && pathCapType != optionsCap.type) {
this._removeMarker(position);
this._markers[position] = this._createMarker(pathOptions[cap], position);
created = true;
} else if (this._markers[position]) {
this._markers[position].redraw(optionsCap);
}
} else if (pathChange && !this._markers[position] && pathOptions[cap]) {
this._markers[position] = this._createMarker(pathOptions[cap], position);
created = true;
}
return created;
},
_redrawMarkers: function (pathChange, options) {
if (!this._redrawMarker(pathChange, START, options) && pathChange) {
this._positionMarker(START);
}
if (!this._redrawMarker(pathChange, END, options) && pathChange) {
this._positionMarker(END);
}
}
};
var Path = VisualBase.extend({
init: function (options) {
VisualBase.fn.init.call(this, options);
this.container = new d.Group();
this._createElements();
this._initSize();
},
options: { autoSize: true },
drawingContainer: function () {
return this.container;
},
data: function (value) {
var options = this.options;
if (value) {
if (options.data != value) {
options.data = value;
this._setData(value);
this._initSize();
this._redrawMarkers(true, {});
}
} else {
return options.data;
}
},
redraw: function (options) {
if (options) {
VisualBase.fn.redraw.call(this, options);
var pathOptions = this.options;
var data = options.data;
if (defined(data) && pathOptions.data != data) {
pathOptions.data = data;
this._setData(data);
if (!this._updateSize(options)) {
this._initSize();
}
this._redrawMarkers(true, options);
} else {
this._updateSize(options);
this._redrawMarkers(false, options);
}
}
},
_createElements: function () {
var options = this.options;
this.drawingElement = d.Path.parse(options.data || '', { stroke: options.stroke });
this._fill();
this.container.append(this.drawingElement);
this._createMarkers();
},
_setData: function (data) {
var drawingElement = this.drawingElement;
var multipath = d.Path.parse(data || '');
var paths = multipath.paths.slice(0);
multipath.paths.elements([]);
drawingElement.paths.elements(paths);
}
});
deepExtend(Path.fn, AutoSizeableMixin);
deepExtend(Path.fn, MarkerPathMixin);
var Line = VisualBase.extend({
init: function (options) {
VisualBase.fn.init.call(this, options);
this.container = new d.Group();
this._initPath();
this._createMarkers();
},
drawingContainer: function () {
return this.container;
},
redraw: function (options) {
if (options) {
options = options || {};
var from = options.from;
var to = options.to;
if (from) {
this.options.from = from;
}
if (to) {
this.options.to = to;
}
if (from || to) {
this._drawPath();
this._redrawMarkers(true, options);
} else {
this._redrawMarkers(false, options);
}
VisualBase.fn.redraw.call(this, options);
}
},
_initPath: function () {
var options = this.options;
var drawingElement = this.drawingElement = new d.Path({ stroke: options.stroke });
this._fill();
this._drawPath();
this.container.append(drawingElement);
},
_drawPath: function () {
var options = this.options;
var drawingElement = this.drawingElement;
var from = options.from || new Point();
var to = options.to || new Point();
drawingElement.segments.elements([
createSegment(from.x, from.y),
createSegment(to.x, to.y)
]);
}
});
deepExtend(Line.fn, MarkerPathMixin);
var Polyline = VisualBase.extend({
init: function (options) {
VisualBase.fn.init.call(this, options);
this.container = new d.Group();
this._initPath();
this._createMarkers();
},
drawingContainer: function () {
return this.container;
},
points: function (points) {
var options = this.options;
if (points) {
options.points = points;
this._updatePath();
} else {
return options.points;
}
},
redraw: function (options) {
if (options) {
var points = options.points;
VisualBase.fn.redraw.call(this, options);
if (points && this._pointsDiffer(points)) {
this.points(points);
this._redrawMarkers(true, options);
} else {
this._redrawMarkers(false, options);
}
}
},
_initPath: function () {
var options = this.options;
this.drawingElement = new d.Path({ stroke: options.stroke });
this._fill();
this.container.append(this.drawingElement);
if (options.points) {
this._updatePath();
}
},
_pointsDiffer: function (points) {
var currentPoints = this.options.points;
var differ = currentPoints.length !== points.length;
if (!differ) {
for (var i = 0; i < points.length; i++) {
if (currentPoints[i].x !== points[i].x || currentPoints[i].y !== points[i].y) {
differ = true;
break;
}
}
}
return differ;
},
_updatePath: function () {
var drawingElement = this.drawingElement;
var options = this.options;
var points = options.points;
var segments = [];
var point;
for (var i = 0; i < points.length; i++) {
point = points[i];
segments.push(createSegment(point.x, point.y));
}
drawingElement.segments.elements(segments);
},
options: { points: [] }
});
deepExtend(Polyline.fn, MarkerPathMixin);
var Image = Element.extend({
init: function (options) {
Element.fn.init.call(this, options);
this._initImage();
},
redraw: function (options) {
if (options) {
if (options.source) {
this.drawingElement.src(options.source);
}
if (this._diffNumericOptions(options, [
WIDTH,
HEIGHT,
X,
Y
])) {
this.drawingElement.rect(this._rect());
}
Element.fn.redraw.call(this, options);
}
},
_initImage: function () {
var options = this.options;
var rect = this._rect();
this.drawingElement = new d.Image(options.source, rect, {});
},
_rect: function () {
var sizeOptions = sizeOptionsOrDefault(this.options);
var origin = new g.Point(sizeOptions.x, sizeOptions.y);
var size = new g.Size(sizeOptions.width, sizeOptions.height);
return new g.Rect(origin, size);
}
});
var Group = Element.extend({
init: function (options) {
this.children = [];
Element.fn.init.call(this, options);
this.drawingElement = new d.Group();
this._initSize();
},
options: { autoSize: false },
append: function (visual) {
this.drawingElement.append(visual.drawingContainer());
this.children.push(visual);
this._childrenChange = true;
},
remove: function (visual) {
if (this._remove(visual)) {
this._childrenChange = true;
}
},
_remove: function (visual) {
var index = inArray(visual, this.children);
if (index >= 0) {
this.drawingElement.removeAt(index);
this.children.splice(index, 1);
return true;
}
},
clear: function () {
this.drawingElement.clear();
this.children = [];
this._childrenChange = true;
},
toFront: function (visuals) {
var visual;
for (var i = 0; i < visuals.length; i++) {
visual = visuals[i];
if (this._remove(visual)) {
this.append(visual);
}
}
},
toBack: function (visuals) {
this._reorderChildren(visuals, 0);
},
toIndex: function (visuals, indices) {
this._reorderChildren(visuals, indices);
},
_reorderChildren: function (visuals, indices) {
var group = this.drawingElement;
var drawingChildren = group.children.slice(0);
var children = this.children;
var fixedPosition = isNumber(indices);
var i, index, toIndex, drawingElement, visual;
for (i = 0; i < visuals.length; i++) {
visual = visuals[i];
drawingElement = visual.drawingContainer();
index = inArray(visual, children);
if (index >= 0) {
drawingChildren.splice(index, 1);
children.splice(index, 1);
toIndex = fixedPosition ? indices : indices[i];
drawingChildren.splice(toIndex, 0, drawingElement);
children.splice(toIndex, 0, visual);
}
}
group.clear();
group.append.apply(group, drawingChildren);
},
redraw: function (options) {
if (options) {
if (this._childrenChange) {
this._childrenChange = false;
if (!this._updateSize(options)) {
this._initSize();
}
} else {
this._updateSize(options);
}
Element.fn.redraw.call(this, options);
}
},
_boundingBox: function () {
var children = this.children;
var boundingBox;
var visual, childBoundingBox;
for (var i = 0; i < children.length; i++) {
visual = children[i];
if (visual.visible() && visual._includeInBBox !== false) {
childBoundingBox = visual.drawingContainer().clippedBBox(null);
if (childBoundingBox) {
if (boundingBox) {
boundingBox = g.Rect.union(boundingBox, childBoundingBox);
} else {
boundingBox = childBoundingBox;
}
}
}
}
return boundingBox;
}
});
deepExtend(Group.fn, AutoSizeableMixin);
var Layout = Group.extend({
init: function (rect, options) {
this.children = [];
Element.fn.init.call(this, options);
this.drawingElement = new d.Layout(toDrawingRect(rect), options);
this._initSize();
},
rect: function (rect) {
if (rect) {
this.drawingElement.rect(toDrawingRect(rect));
} else {
var drawingRect = this.drawingElement.rect();
if (drawingRect) {
return new Rect(drawingRect.origin.x, drawingRect.origin.y, drawingRect.size.width, drawingRect.size.height);
}
}
},
reflow: function () {
this.drawingElement.reflow();
},
redraw: function (options) {
kendo.deepExtend(this.drawingElement.options, options);
Group.fn.redraw.call(this, options);
}
});
var Circle = VisualBase.extend({
init: function (options) {
VisualBase.fn.init.call(this, options);
this._initCircle();
this._initSize();
},
redraw: function (options) {
if (options) {
var circleOptions = this.options;
if (options.center) {
deepExtend(circleOptions, { center: options.center });
this._center.move(circleOptions.center.x, circleOptions.center.y);
}
if (this._diffNumericOptions(options, ['radius'])) {
this._circle.setRadius(circleOptions.radius);
}
this._updateSize(options);
VisualBase.fn.redraw.call(this, options);
}
},
_initCircle: function () {
var options = this.options;
var width = options.width;
var height = options.height;
var radius = options.radius;
if (!defined(radius)) {
if (!defined(width)) {
width = height;
}
if (!defined(height)) {
height = width;
}
options.radius = radius = Math.min(width, height) / 2;
}
var center = options.center || {
x: radius,
y: radius
};
this._center = new g.Point(center.x, center.y);
this._circle = new g.Circle(this._center, radius);
this.drawingElement = new d.Circle(this._circle, { stroke: options.stroke });
this._fill();
}
});
deepExtend(Circle.fn, AutoSizeableMixin);
var Canvas = Class.extend({
init: function (element, options) {
options = options || {};
this.element = element;
this.surface = d.Surface.create(element, options);
if (kendo.isFunction(this.surface.translate)) {
this.translate = this._translate;
}
this.drawingElement = new d.Group();
this._viewBox = new Rect(0, 0, options.width, options.height);
this.size(this._viewBox);
},
bounds: function () {
var box = this.drawingElement.clippedBBox();
return new Rect(0, 0, box.width(), box.height());
},
size: function (size) {
var viewBox = this._viewBox;
if (defined(size)) {
viewBox.width = size.width;
viewBox.height = size.height;
this.surface.setSize(size);
}
return {
width: viewBox.width,
height: viewBox.height
};
},
_translate: function (x, y) {
var viewBox = this._viewBox;
if (defined(x) && defined(y)) {
viewBox.x = x;
viewBox.y = y;
this.surface.translate({
x: x,
y: y
});
}
return {
x: viewBox.x,
y: viewBox.y
};
},
draw: function () {
this.surface.draw(this.drawingElement);
},
append: function (visual) {
this.drawingElement.append(visual.drawingContainer());
return this;
},
remove: function (visual) {
this.drawingElement.remove(visual.drawingContainer());
},
insertBefore: function () {
},
clear: function () {
this.drawingElement.clear();
},
destroy: function (clearHtml) {
this.surface.destroy();
if (clearHtml) {
$(this.element).remove();
}
}
});
function sizeOptionsOrDefault(options) {
return {
x: options.x || 0,
y: options.y || 0,
width: options.width || 0,
height: options.height || 0
};
}
function normalizeDrawingOptions(options) {
if (options) {
var drawingOptions = options;
if (isString(drawingOptions)) {
drawingOptions = { color: drawingOptions };
}
if (drawingOptions.color) {
drawingOptions.color = getColor(drawingOptions.color);
}
return drawingOptions;
}
}
function getColor(value) {
var color;
if (value != TRANSPARENT) {
color = new d.Color(value).toHex();
} else {
color = value;
}
return color;
}
function lineAngle(p1, p2) {
var xDiff = p2.x - p1.x;
var yDiff = p2.y - p1.y;
var angle = kendo.util.deg(Math.atan2(yDiff, xDiff));
return angle;
}
function createSegment(x, y) {
return new d.Segment(new g.Point(x, y));
}
function toDrawingRect(rect) {
if (rect) {
return new g.Rect([
rect.x,
rect.y
], [
rect.width,
rect.height
]);
}
}
kendo.deepExtend(diagram, {
init: function (element) {
kendo.init(element, diagram.ui);
},
diffNumericOptions: diffNumericOptions,
Element: Element,
Scale: Scale,
Translation: Translation,
Rotation: Rotation,
Circle: Circle,
Group: Group,
Rectangle: Rectangle,
Canvas: Canvas,
Path: Path,
Layout: Layout,
Line: Line,
MarkerBase: MarkerBase,
ArrowMarker: ArrowMarker,
CircleMarker: CircleMarker,
Polyline: Polyline,
CompositeTransform: CompositeTransform,
TextBlock: TextBlock,
Image: Image,
VisualBase: VisualBase
});
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('dataviz/diagram/services', [
'kendo.drawing',
'dataviz/diagram/svg'
], f);
}(function () {
(function ($, undefined) {
var kendo = window.kendo, dataviz = kendo.dataviz, diagram = dataviz.diagram, Class = kendo.Class, Group = diagram.Group, Rect = diagram.Rect, Rectangle = diagram.Rectangle, Utils = diagram.Utils, isUndefined = Utils.isUndefined, Point = diagram.Point, Circle = diagram.Circle, Ticker = diagram.Ticker, deepExtend = kendo.deepExtend, Movable = kendo.ui.Movable, browser = kendo.support.browser, defined = kendo.util.defined, inArray = $.inArray, proxy = $.proxy;
var Cursors = {
arrow: 'default',
grip: 'pointer',
cross: 'pointer',
add: 'pointer',
move: 'move',
select: 'pointer',
south: 's-resize',
east: 'e-resize',
west: 'w-resize',
north: 'n-resize',
rowresize: 'row-resize',
colresize: 'col-resize'
}, HIT_TEST_DISTANCE = 10, AUTO = 'Auto', TOP = 'Top', RIGHT = 'Right', LEFT = 'Left', BOTTOM = 'Bottom', DEFAULT_SNAP_SIZE = 10, DEFAULT_SNAP_ANGLE = 10, DRAG_START = 'dragStart', DRAG = 'drag', DRAG_END = 'dragEnd', ITEMROTATE = 'itemRotate', ITEMBOUNDSCHANGE = 'itemBoundsChange', MIN_SNAP_SIZE = 5, MIN_SNAP_ANGLE = 5, MOUSE_ENTER = 'mouseEnter', MOUSE_LEAVE = 'mouseLeave', ZOOM_START = 'zoomStart', ZOOM_END = 'zoomEnd', SCROLL_MIN = -20000, SCROLL_MAX = 20000, FRICTION = 0.9, FRICTION_MOBILE = 0.93, VELOCITY_MULTIPLIER = 5, TRANSPARENT = 'transparent', PAN = 'pan', ROTATED = 'rotated';
diagram.Cursors = Cursors;
function selectSingle(item, meta) {
if (item.isSelected) {
if (meta.ctrlKey) {
item.select(false);
}
} else {
item.diagram.select(item, { addToSelection: meta.ctrlKey });
}
}
var PositionAdapter = kendo.Class.extend({
init: function (layoutState) {
this.layoutState = layoutState;
this.diagram = layoutState.diagram;
},
initState: function () {
this.froms = [];
this.tos = [];
this.subjects = [];
function pusher(id, bounds) {
var shape = this.diagram.getShapeById(id);
if (shape) {
this.subjects.push(shape);
this.froms.push(shape.bounds().topLeft());
this.tos.push(bounds.topLeft());
}
}
this.layoutState.nodeMap.forEach(pusher, this);
},
update: function (tick) {
if (this.subjects.length <= 0) {
return;
}
for (var i = 0; i < this.subjects.length; i++) {
this.subjects[i].position(new Point(this.froms[i].x + (this.tos[i].x - this.froms[i].x) * tick, this.froms[i].y + (this.tos[i].y - this.froms[i].y) * tick));
}
}
});
var LayoutUndoUnit = Class.extend({
init: function (initialState, finalState, animate) {
if (isUndefined(animate)) {
this.animate = false;
} else {
this.animate = animate;
}
this._initialState = initialState;
this._finalState = finalState;
this.title = 'Diagram layout';
},
undo: function () {
this.setState(this._initialState);
},
redo: function () {
this.setState(this._finalState);
},
setState: function (state) {
var diagram = state.diagram;
if (this.animate) {
state.linkMap.forEach(function (id, points) {
var conn = diagram.getShapeById(id);
conn.visible(false);
if (conn) {
conn.points(points);
}
});
var ticker = new Ticker();
ticker.addAdapter(new PositionAdapter(state));
ticker.onComplete(function () {
state.linkMap.forEach(function (id) {
var conn = diagram.getShapeById(id);
conn.visible(true);
});
});
ticker.play();
} else {
state.nodeMap.forEach(function (id, bounds) {
var shape = diagram.getShapeById(id);
if (shape) {
shape.position(bounds.topLeft());
}
});
state.linkMap.forEach(function (id, points) {
var conn = diagram.getShapeById(id);
if (conn) {
conn.points(points);
}
});
}
}
});
var CompositeUnit = Class.extend({
init: function (unit) {
this.units = [];
this.title = 'Composite unit';
if (unit !== undefined) {
this.units.push(unit);
}
},
add: function (undoUnit) {
this.units.push(undoUnit);
},
undo: function () {
for (var i = 0; i < this.units.length; i++) {
this.units[i].undo();
}
},
redo: function () {
for (var i = 0; i < this.units.length; i++) {
this.units[i].redo();
}
}
});
var ConnectionEditUnit = Class.extend({
init: function (item, redoSource, redoTarget) {
this.item = item;
this._redoSource = redoSource;
this._redoTarget = redoTarget;
if (defined(redoSource)) {
this._undoSource = item.source();
}
if (defined(redoTarget)) {
this._undoTarget = item.target();
}
this.title = 'Connection Editing';
},
undo: function () {
if (this._undoSource !== undefined) {
this.item._updateConnector(this._undoSource, 'source');
}
if (this._undoTarget !== undefined) {
this.item._updateConnector(this._undoTarget, 'target');
}
this.item.updateModel();
},
redo: function () {
if (this._redoSource !== undefined) {
this.item._updateConnector(this._redoSource, 'source');
}
if (this._redoTarget !== undefined) {
this.item._updateConnector(this._redoTarget, 'target');
}
this.item.updateModel();
}
});
var ConnectionEditUndoUnit = Class.extend({
init: function (item, undoSource, undoTarget) {
this.item = item;
this._undoSource = undoSource;
this._undoTarget = undoTarget;
this._redoSource = item.source();
this._redoTarget = item.target();
this.title = 'Connection Editing';
},
undo: function () {
this.item._updateConnector(this._undoSource, 'source');
this.item._updateConnector(this._undoTarget, 'target');
this.item.updateModel();
},
redo: function () {
this.item._updateConnector(this._redoSource, 'source');
this.item._updateConnector(this._redoTarget, 'target');
this.item.updateModel();
}
});
var DeleteConnectionUnit = Class.extend({
init: function (connection) {
this.connection = connection;
this.diagram = connection.diagram;
this.targetConnector = connection.targetConnector;
this.title = 'Delete connection';
},
undo: function () {
this.diagram._addConnection(this.connection, false);
},
redo: function () {
this.diagram.remove(this.connection, false);
}
});
var DeleteShapeUnit = Class.extend({
init: function (shape) {
this.shape = shape;
this.diagram = shape.diagram;
this.title = 'Deletion';
},
undo: function () {
this.diagram._addShape(this.shape, false);
this.shape.select(false);
},
redo: function () {
this.shape.select(false);
this.diagram.remove(this.shape, false);
}
});
var TransformUnit = Class.extend({
init: function (shapes, undoStates, adorner) {
this.shapes = shapes;
this.undoStates = undoStates;
this.title = 'Transformation';
this.redoStates = [];
this.adorner = adorner;
for (var i = 0; i < this.shapes.length; i++) {
var shape = this.shapes[i];
this.redoStates.push(shape.bounds());
}
},
undo: function () {
for (var i = 0; i < this.shapes.length; i++) {
var shape = this.shapes[i];
shape.bounds(this.undoStates[i]);
if (shape.hasOwnProperty('layout')) {
shape.layout(shape, this.redoStates[i], this.undoStates[i]);
}
shape.updateModel();
}
if (this.adorner) {
this.adorner.refreshBounds();
this.adorner.refresh();
}
},
redo: function () {
for (var i = 0; i < this.shapes.length; i++) {
var shape = this.shapes[i];
shape.bounds(this.redoStates[i]);
if (shape.hasOwnProperty('layout')) {
shape.layout(shape, this.undoStates[i], this.redoStates[i]);
}
shape.updateModel();
}
if (this.adorner) {
this.adorner.refreshBounds();
this.adorner.refresh();
}
}
});
var AddConnectionUnit = Class.extend({
init: function (connection, diagram) {
this.connection = connection;
this.diagram = diagram;
this.title = 'New connection';
},
undo: function () {
this.diagram.remove(this.connection, false);
},
redo: function () {
this.diagram._addConnection(this.connection, false);
}
});
var AddShapeUnit = Class.extend({
init: function (shape, diagram) {
this.shape = shape;
this.diagram = diagram;
this.title = 'New shape';
},
undo: function () {
this.diagram.deselect();
this.diagram.remove(this.shape, false);
},
redo: function () {
this.diagram._addShape(this.shape, false);
}
});
var PanUndoUnit = Class.extend({
init: function (initialPosition, finalPosition, diagram) {
this.initial = initialPosition;
this.finalPos = finalPosition;
this.diagram = diagram;
this.title = 'Pan Unit';
},
undo: function () {
this.diagram.pan(this.initial);
},
redo: function () {
this.diagram.pan(this.finalPos);
}
});
var RotateUnit = Class.extend({
init: function (adorner, shapes, undoRotates) {
this.shapes = shapes;
this.undoRotates = undoRotates;
this.title = 'Rotation';
this.redoRotates = [];
this.redoAngle = adorner._angle;
this.adorner = adorner;
this.center = adorner._innerBounds.center();
for (var i = 0; i < this.shapes.length; i++) {
var shape = this.shapes[i];
this.redoRotates.push(shape.rotate().angle);
}
},
undo: function () {
var i, shape;
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
shape.rotate(this.undoRotates[i], this.center, false);
if (shape.hasOwnProperty('layout')) {
shape.layout(shape);
}
shape.updateModel();
}
if (this.adorner) {
this.adorner._initialize();
this.adorner.refresh();
}
},
redo: function () {
var i, shape;
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
shape.rotate(this.redoRotates[i], this.center, false);
if (shape.hasOwnProperty('layout')) {
shape.layout(shape);
}
shape.updateModel();
}
if (this.adorner) {
this.adorner._initialize();
this.adorner.refresh();
}
}
});
var ToFrontUnit = Class.extend({
init: function (diagram, items, initialIndices) {
this.diagram = diagram;
this.indices = initialIndices;
this.items = items;
this.title = 'Rotate Unit';
},
undo: function () {
this.diagram._toIndex(this.items, this.indices);
},
redo: function () {
this.diagram.toFront(this.items, false);
}
});
var ToBackUnit = Class.extend({
init: function (diagram, items, initialIndices) {
this.diagram = diagram;
this.indices = initialIndices;
this.items = items;
this.title = 'Rotate Unit';
},
undo: function () {
this.diagram._toIndex(this.items, this.indices);
},
redo: function () {
this.diagram.toBack(this.items, false);
}
});
var UndoRedoService = kendo.Observable.extend({
init: function (options) {
kendo.Observable.fn.init.call(this, options);
this.bind(this.events, options);
this.stack = [];
this.index = 0;
this.capacity = 100;
},
events: [
'undone',
'redone'
],
begin: function () {
this.composite = new CompositeUnit();
},
cancel: function () {
this.composite = undefined;
},
commit: function (execute) {
if (this.composite.units.length > 0) {
this._restart(this.composite, execute);
}
this.composite = undefined;
},
addCompositeItem: function (undoUnit) {
if (this.composite) {
this.composite.add(undoUnit);
} else {
this.add(undoUnit);
}
},
add: function (undoUnit, execute) {
this._restart(undoUnit, execute);
},
pop: function () {
if (this.index > 0) {
this.stack.pop();
this.index--;
}
},
count: function () {
return this.stack.length;
},
undo: function () {
if (this.index > 0) {
this.index--;
this.stack[this.index].undo();
this.trigger('undone');
}
},
redo: function () {
if (this.stack.length > 0 && this.index < this.stack.length) {
this.stack[this.index].redo();
this.index++;
this.trigger('redone');
}
},
_restart: function (composite, execute) {
this.stack.splice(this.index, this.stack.length - this.index);
this.stack.push(composite);
if (execute !== false) {
this.redo();
} else {
this.index++;
}
if (this.stack.length > this.capacity) {
this.stack.splice(0, this.stack.length - this.capacity);
this.index = this.capacity;
}
},
clear: function () {
this.stack = [];
this.index = 0;
}
});
var EmptyTool = Class.extend({
init: function (toolService) {
this.toolService = toolService;
},
start: function () {
},
move: function () {
},
end: function () {
},
tryActivate: function () {
return false;
},
getCursor: function () {
return Cursors.arrow;
}
});
function noMeta(meta) {
return meta.ctrlKey === false && meta.altKey === false && meta.shiftKey === false;
}
function tryActivateSelection(options, meta) {
var enabled = options !== false;
if (options.key && options.key != 'none') {
enabled = meta[options.key + 'Key'];
}
return enabled;
}
var ScrollerTool = EmptyTool.extend({
init: function (toolService) {
var tool = this;
var friction = kendo.support.mobileOS ? FRICTION_MOBILE : FRICTION;
EmptyTool.fn.init.call(tool, toolService);
var diagram = tool.toolService.diagram, canvas = diagram.canvas;
var scroller = diagram.scroller = tool.scroller = $(diagram.scrollable).kendoMobileScroller({
friction: friction,
velocityMultiplier: VELOCITY_MULTIPLIER,
mousewheelScrolling: false,
zoom: false,
scroll: proxy(tool._move, tool)
}).data('kendoMobileScroller');
if (canvas.translate) {
tool.movableCanvas = new Movable(canvas.element);
}
var virtualScroll = function (dimension, min, max) {
dimension.makeVirtual();
dimension.virtualSize(min || SCROLL_MIN, max || SCROLL_MAX);
};
virtualScroll(scroller.dimensions.x);
virtualScroll(scroller.dimensions.y);
scroller.disable();
},
tryActivate: function (p, meta) {
var toolService = this.toolService;
var options = toolService.diagram.options.pannable;
var enabled = meta.ctrlKey;
if (defined(options.key)) {
if (!options.key || options.key == 'none') {
enabled = noMeta(meta);
} else {
enabled = meta[options.key + 'Key'] && !(meta.ctrlKey && defined(toolService.hoveredItem));
}
}
return options !== false && enabled && !defined(toolService.hoveredAdorner) && !defined(toolService._hoveredConnector);
},
start: function () {
this.scroller.enable();
},
move: function () {
},
_move: function (args) {
var tool = this, diagram = tool.toolService.diagram, canvas = diagram.canvas, scrollPos = new Point(args.scrollLeft, args.scrollTop);
if (canvas.translate) {
diagram._storePan(scrollPos.times(-1));
tool.movableCanvas.moveTo(scrollPos);
canvas.translate(scrollPos.x, scrollPos.y);
} else {
scrollPos = scrollPos.plus(diagram._pan.times(-1));
}
diagram.trigger(PAN, { pan: scrollPos });
},
end: function () {
this.scroller.disable();
},
getCursor: function () {
return Cursors.move;
}
});
var PointerTool = Class.extend({
init: function (toolService) {
this.toolService = toolService;
},
tryActivate: function () {
return true;
},
start: function (p, meta) {
var toolService = this.toolService, diagram = toolService.diagram, hoveredItem = toolService.hoveredItem, selectable = diagram.options.selectable;
if (hoveredItem) {
if (tryActivateSelection(selectable, meta)) {
selectSingle(hoveredItem, meta);
}
if (hoveredItem.adorner) {
this.adorner = hoveredItem.adorner;
this.handle = this.adorner._hitTest(p);
}
}
if (!this.handle) {
this.handle = diagram._resizingAdorner._hitTest(p);
if (this.handle) {
this.adorner = diagram._resizingAdorner;
}
}
if (this.adorner) {
if (!this.adorner.isDragHandle(this.handle) || !diagram.trigger(DRAG_START, {
shapes: this.adorner.shapes,
connections: []
})) {
this.adorner.start(p);
} else {
toolService.startPoint = p;
toolService.end(p);
}
}
},
move: function (p) {
if (this.adorner) {
this.adorner.move(this.handle, p);
if (this.adorner.isDragHandle(this.handle)) {
this.toolService.diagram.trigger(DRAG, {
shapes: this.adorner.shapes,
connections: []
});
}
}
},
end: function (p, meta) {
var diagram = this.toolService.diagram, service = this.toolService, adorner = this.adorner, unit;
if (adorner) {
if (!adorner.isDragHandle(this.handle) || !diagram.trigger(DRAG_END, {
shapes: adorner.shapes,
connections: []
})) {
unit = adorner.stop();
if (unit) {
diagram.undoRedoService.add(unit, false);
}
} else {
adorner.cancel();
}
}
if (service.hoveredItem) {
this.toolService.triggerClick({
item: service.hoveredItem,
point: p,
meta: meta
});
}
this.adorner = undefined;
this.handle = undefined;
},
getCursor: function (p) {
return this.toolService.hoveredItem ? this.toolService.hoveredItem._getCursor(p) : Cursors.arrow;
}
});
var SelectionTool = Class.extend({
init: function (toolService) {
this.toolService = toolService;
},
tryActivate: function (p, meta) {
var toolService = this.toolService;
var enabled = tryActivateSelection(toolService.diagram.options.selectable, meta);
return enabled && !defined(toolService.hoveredItem) && !defined(toolService.hoveredAdorner);
},
start: function (p) {
var diagram = this.toolService.diagram;
diagram.deselect();
diagram.selector.start(p);
},
move: function (p) {
var diagram = this.toolService.diagram;
diagram.selector.move(p);
},
end: function (p, meta) {
var diagram = this.toolService.diagram, hoveredItem = this.toolService.hoveredItem;
var rect = diagram.selector.bounds();
if ((!hoveredItem || !hoveredItem.isSelected) && !meta.ctrlKey) {
diagram.deselect();
}
if (!rect.isEmpty()) {
diagram.selectArea(rect);
}
diagram.selector.end();
},
getCursor: function () {
return Cursors.arrow;
}
});
var ConnectionTool = Class.extend({
init: function (toolService) {
this.toolService = toolService;
this.type = 'ConnectionTool';
},
tryActivate: function () {
return this.toolService._hoveredConnector;
},
start: function (p, meta) {
var diagram = this.toolService.diagram, connector = this.toolService._hoveredConnector, connection = diagram._createConnection({}, connector._c, p);
if (canDrag(connection) && !diagram.trigger(DRAG_START, {
shapes: [],
connections: [connection]
}) && diagram._addConnection(connection)) {
this.toolService._connectionManipulation(connection, connector._c.shape, true);
this.toolService._removeHover();
selectSingle(this.toolService.activeConnection, meta);
} else {
connection.source(null);
this.toolService.end(p);
}
},
move: function (p) {
var toolService = this.toolService;
var connection = toolService.activeConnection;
connection.target(p);
toolService.diagram.trigger(DRAG, {
shapes: [],
connections: [connection]
});
return true;
},
end: function (p) {
var toolService = this.toolService, d = toolService.diagram, connection = toolService.activeConnection, hoveredItem = toolService.hoveredItem, connector = toolService._hoveredConnector, target;
if (!connection) {
return;
}
if (connector && connector._c != connection.sourceConnector) {
target = connector._c;
} else if (hoveredItem && hoveredItem instanceof diagram.Shape) {
target = hoveredItem.getConnector(AUTO) || hoveredItem.getConnector(p);
} else {
target = p;
}
connection.target(target);
if (!d.trigger(DRAG_END, {
shapes: [],
connections: [connection]
})) {
connection.updateModel();
d._syncConnectionChanges();
} else {
d.remove(connection, false);
d.undoRedoService.pop();
}
toolService._connectionManipulation();
},
getCursor: function () {
return Cursors.arrow;
}
});
var ConnectionEditTool = Class.extend({
init: function (toolService) {
this.toolService = toolService;
this.type = 'ConnectionTool';
},
tryActivate: function (p, meta) {
var toolService = this.toolService, diagram = toolService.diagram, selectable = diagram.options.selectable, item = toolService.hoveredItem, isActive = tryActivateSelection(selectable, meta) && item && item.path && !(item.isSelected && meta.ctrlKey);
if (isActive) {
this._c = item;
}
return isActive;
},
start: function (p, meta) {
var connection = this._c;
selectSingle(connection, meta);
var adorner = connection.adorner;
if (canDrag(connection) && adorner && !this.toolService.diagram.trigger(DRAG_START, {
shapes: [],
connections: [connection]
})) {
this.handle = adorner._hitTest(p);
adorner.start(p);
} else {
this.toolService.startPoint = p;
this.toolService.end(p);
}
},
move: function (p) {
var adorner = this._c.adorner;
if (canDrag(this._c) && adorner) {
adorner.move(this.handle, p);
this.toolService.diagram.trigger(DRAG, {
shapes: [],
connections: [this._c]
});
return true;
}
},
end: function (p, meta) {
var connection = this._c;
var adorner = connection.adorner;
var toolService = this.toolService;
var diagram = toolService.diagram;
if (adorner) {
toolService.triggerClick({
item: connection,
point: p,
meta: meta
});
if (canDrag(connection)) {
var unit = adorner.stop(p);
if (!diagram.trigger(DRAG_END, {
shapes: [],
connections: [connection]
})) {
diagram.undoRedoService.add(unit, false);
connection.updateModel();
diagram._syncConnectionChanges();
} else {
unit.undo();
}
}
}
},
getCursor: function () {
return Cursors.move;
}
});
function testKey(key, str) {
return str.charCodeAt(0) == key || str.toUpperCase().charCodeAt(0) == key;
}
var ToolService = Class.extend({
init: function (diagram) {
this.diagram = diagram;
this.tools = [
new ScrollerTool(this),
new ConnectionEditTool(this),
new ConnectionTool(this),
new SelectionTool(this),
new PointerTool(this)
];
this.activeTool = undefined;
},
start: function (p, meta) {
meta = deepExtend({}, meta);
if (this.activeTool) {
this.activeTool.end(p, meta);
}
this._updateHoveredItem(p);
this._activateTool(p, meta);
this.activeTool.start(p, meta);
this._updateCursor(p);
this.diagram.focus();
this.startPoint = p;
return true;
},
move: function (p, meta) {
meta = deepExtend({}, meta);
var updateHovered = true;
if (this.activeTool) {
updateHovered = this.activeTool.move(p, meta);
}
if (updateHovered) {
this._updateHoveredItem(p);
}
this._updateCursor(p);
return true;
},
end: function (p, meta) {
meta = deepExtend({}, meta);
if (this.activeTool) {
this.activeTool.end(p, meta);
}
this.activeTool = undefined;
this._updateCursor(p);
return true;
},
keyDown: function (key, meta) {
var diagram = this.diagram;
meta = deepExtend({
ctrlKey: false,
metaKey: false,
altKey: false
}, meta);
if ((meta.ctrlKey || meta.metaKey) && !meta.altKey) {
if (testKey(key, 'a')) {
diagram.selectAll();
diagram._destroyToolBar();
return true;
} else if (testKey(key, 'z')) {
diagram.undo();
diagram._destroyToolBar();
return true;
} else if (testKey(key, 'y')) {
diagram.redo();
diagram._destroyToolBar();
return true;
} else if (testKey(key, 'c')) {
diagram.copy();
diagram._destroyToolBar();
} else if (testKey(key, 'x')) {
diagram.cut();
diagram._destroyToolBar();
} else if (testKey(key, 'v')) {
diagram.paste();
diagram._destroyToolBar();
} else if (testKey(key, 'l')) {
diagram.layout();
diagram._destroyToolBar();
} else if (testKey(key, 'd')) {
diagram._destroyToolBar();
diagram.copy();
diagram.paste();
}
} else if (key === 46 || key === 8) {
var toRemove = this.diagram._triggerRemove(diagram.select());
if (toRemove.length) {
this.diagram.remove(toRemove, true);
this.diagram._syncChanges();
this.diagram._destroyToolBar();
}
return true;
} else if (key === 27) {
this._discardNewConnection();
diagram.deselect();
diagram._destroyToolBar();
return true;
}
},
wheel: function (p, meta) {
var diagram = this.diagram, delta = meta.delta, z = diagram.zoom(), options = diagram.options, zoomRate = options.zoomRate, zoomOptions = {
point: p,
meta: meta,
zoom: z
};
if (diagram.trigger(ZOOM_START, zoomOptions)) {
return;
}
if (delta < 0) {
z += zoomRate;
} else {
z -= zoomRate;
}
z = kendo.dataviz.round(Math.max(options.zoomMin, Math.min(options.zoomMax, z)), 2);
zoomOptions.zoom = z;
diagram.zoom(z, zoomOptions);
diagram.trigger(ZOOM_END, zoomOptions);
return true;
},
setTool: function (tool, index) {
tool.toolService = this;
this.tools[index] = tool;
},
triggerClick: function (data) {
if (this.startPoint.equals(data.point)) {
this.diagram.trigger('click', data);
}
},
_discardNewConnection: function () {
if (this.newConnection) {
this.diagram.remove(this.newConnection);
this.newConnection = undefined;
}
},
_activateTool: function (p, meta) {
for (var i = 0; i < this.tools.length; i++) {
var tool = this.tools[i];
if (tool.tryActivate(p, meta)) {
this.activeTool = tool;
break;
}
}
},
_updateCursor: function (p) {
var element = this.diagram.element;
var cursor = this.activeTool ? this.activeTool.getCursor(p) : this.hoveredAdorner ? this.hoveredAdorner._getCursor(p) : this.hoveredItem ? this.hoveredItem._getCursor(p) : Cursors.arrow;
element.css({ cursor: cursor });
if (browser.msie && browser.version == 7) {
element[0].style.cssText = element[0].style.cssText;
}
},
_connectionManipulation: function (connection, disabledShape, isNew) {
this.activeConnection = connection;
this.disabledShape = disabledShape;
if (isNew) {
this.newConnection = this.activeConnection;
} else {
this.newConnection = undefined;
}
},
_updateHoveredItem: function (p) {
var hit = this._hitTest(p);
var diagram = this.diagram;
if (hit != this.hoveredItem && (!this.disabledShape || hit != this.disabledShape)) {
if (this.hoveredItem) {
diagram.trigger(MOUSE_LEAVE, { item: this.hoveredItem });
this.hoveredItem._hover(false);
}
if (hit && hit.options.enable) {
diagram.trigger(MOUSE_ENTER, { item: hit });
this.hoveredItem = hit;
this.hoveredItem._hover(true);
} else {
this.hoveredItem = undefined;
}
}
},
_removeHover: function () {
if (this.hoveredItem) {
this.hoveredItem._hover(false);
this.hoveredItem = undefined;
}
},
_hitTest: function (point) {
var hit, d = this.diagram, item, i;
if (this._hoveredConnector) {
this._hoveredConnector._hover(false);
this._hoveredConnector = undefined;
}
if (d._connectorsAdorner._visible) {
hit = d._connectorsAdorner._hitTest(point);
if (hit) {
return hit;
}
}
hit = this.diagram._resizingAdorner._hitTest(point);
if (hit) {
this.hoveredAdorner = d._resizingAdorner;
if (hit.x !== 0 || hit.y !== 0) {
return;
}
hit = undefined;
} else {
this.hoveredAdorner = undefined;
}
if (!this.activeTool || this.activeTool.type !== 'ConnectionTool') {
var selectedConnections = [];
for (i = 0; i < d._selectedItems.length; i++) {
item = d._selectedItems[i];
if (item instanceof diagram.Connection) {
selectedConnections.push(item);
}
}
hit = this._hitTestItems(selectedConnections, point);
}
return hit || this._hitTestElements(point);
},
_hitTestElements: function (point) {
var diagram = this.diagram;
var shapeHit = this._hitTestItems(diagram.shapes, point);
var connectionHit = this._hitTestItems(diagram.connections, point);
var hit;
if ((!this.activeTool || this.activeTool.type != 'ConnectionTool') && shapeHit && connectionHit && !hitTestShapeConnectors(shapeHit, point)) {
var mainLayer = diagram.mainLayer;
var shapeIdx = inArray(shapeHit.visual, mainLayer.children);
var connectionIdx = inArray(connectionHit.visual, mainLayer.children);
hit = shapeIdx > connectionIdx ? shapeHit : connectionHit;
}
return hit || shapeHit || connectionHit;
},
_hitTestItems: function (array, point) {
var i, item, hit;
for (i = array.length - 1; i >= 0; i--) {
item = array[i];
hit = item._hitTest(point);
if (hit) {
return hit;
}
}
}
});
var ConnectionRouterBase = kendo.Class.extend({
init: function () {
}
});
var LinearConnectionRouter = ConnectionRouterBase.extend({
init: function (connection) {
var that = this;
ConnectionRouterBase.fn.init.call(that);
this.connection = connection;
},
hitTest: function (p) {
var rec = this.getBounds().inflate(HIT_TEST_DISTANCE);
if (!rec.contains(p)) {
return false;
}
return diagram.Geometry.distanceToPolyline(p, this.connection.allPoints()) < HIT_TEST_DISTANCE;
},
getBounds: function () {
var points = this.connection.allPoints(), s = points[0], e = points[points.length - 1], right = Math.max(s.x, e.x), left = Math.min(s.x, e.x), top = Math.min(s.y, e.y), bottom = Math.max(s.y, e.y);
for (var i = 1; i < points.length - 1; ++i) {
right = Math.max(right, points[i].x);
left = Math.min(left, points[i].x);
top = Math.min(top, points[i].y);
bottom = Math.max(bottom, points[i].y);
}
return new Rect(left, top, right - left, bottom - top);
}
});
var PolylineRouter = LinearConnectionRouter.extend({
init: function (connection) {
var that = this;
LinearConnectionRouter.fn.init.call(that);
this.connection = connection;
},
route: function () {
}
});
var CascadingRouter = LinearConnectionRouter.extend({
SAME_SIDE_DISTANCE_RATIO: 5,
init: function (connection) {
var that = this;
LinearConnectionRouter.fn.init.call(that);
this.connection = connection;
},
routePoints: function (start, end, sourceConnector, targetConnector) {
var result;
if (sourceConnector && targetConnector) {
result = this._connectorPoints(start, end, sourceConnector, targetConnector);
} else {
result = this._floatingPoints(start, end, sourceConnector);
}
return result;
},
route: function () {
var sourceConnector = this.connection._resolvedSourceConnector;
var targetConnector = this.connection._resolvedTargetConnector;
var start = this.connection.sourcePoint();
var end = this.connection.targetPoint();
var points = this.routePoints(start, end, sourceConnector, targetConnector);
this.connection.points(points);
},
_connectorSides: [
{
name: 'Top',
axis: 'y',
boundsPoint: 'topLeft',
secondarySign: 1
},
{
name: 'Left',
axis: 'x',
boundsPoint: 'topLeft',
secondarySign: 1
},
{
name: 'Bottom',
axis: 'y',
boundsPoint: 'bottomRight',
secondarySign: -1
},
{
name: 'Right',
axis: 'x',
boundsPoint: 'bottomRight',
secondarySign: -1
}
],
_connectorSide: function (connector, targetPoint) {
var position = connector.position();
var shapeBounds = connector.shape.bounds(ROTATED);
var bounds = {
topLeft: shapeBounds.topLeft(),
bottomRight: shapeBounds.bottomRight()
};
var sides = this._connectorSides;
var min = kendo.util.MAX_NUM;
var sideDistance;
var minSide;
var axis;
var side;
for (var idx = 0; idx < sides.length; idx++) {
side = sides[idx];
axis = side.axis;
sideDistance = Math.round(Math.abs(position[axis] - bounds[side.boundsPoint][axis]));
if (sideDistance < min) {
min = sideDistance;
minSide = side;
} else if (sideDistance === min && (position[axis] - targetPoint[axis]) * side.secondarySign > (position[minSide.axis] - targetPoint[minSide.axis]) * minSide.secondarySign) {
minSide = side;
}
}
return minSide.name;
},
_sameSideDistance: function (connector) {
var bounds = connector.shape.bounds(ROTATED);
return Math.min(bounds.width, bounds.height) / this.SAME_SIDE_DISTANCE_RATIO;
},
_connectorPoints: function (start, end, sourceConnector, targetConnector) {
var sourceConnectorSide = this._connectorSide(sourceConnector, end);
var targetConnectorSide = this._connectorSide(targetConnector, start);
var deltaX = end.x - start.x;
var deltaY = end.y - start.y;
var sameSideDistance = this._sameSideDistance(sourceConnector);
var result = [];
var pointX, pointY;
if (sourceConnectorSide === TOP || sourceConnectorSide == BOTTOM) {
if (targetConnectorSide == TOP || targetConnectorSide == BOTTOM) {
if (sourceConnectorSide == targetConnectorSide) {
if (sourceConnectorSide == TOP) {
pointY = Math.min(start.y, end.y) - sameSideDistance;
} else {
pointY = Math.max(start.y, end.y) + sameSideDistance;
}
result = [
new Point(start.x, pointY),
new Point(end.x, pointY)
];
} else {
result = [
new Point(start.x, start.y + deltaY / 2),
new Point(end.x, start.y + deltaY / 2)
];
}
} else {
result = [new Point(start.x, end.y)];
}
} else {
if (targetConnectorSide == LEFT || targetConnectorSide == RIGHT) {
if (sourceConnectorSide == targetConnectorSide) {
if (sourceConnectorSide == LEFT) {
pointX = Math.min(start.x, end.x) - sameSideDistance;
} else {
pointX = Math.max(start.x, end.x) + sameSideDistance;
}
result = [
new Point(pointX, start.y),
new Point(pointX, end.y)
];
} else {
result = [
new Point(start.x + deltaX / 2, start.y),
new Point(start.x + deltaX / 2, start.y + deltaY)
];
}
} else {
result = [new Point(end.x, start.y)];
}
}
return result;
},
_floatingPoints: function (start, end, sourceConnector) {
var sourceConnectorSide = sourceConnector ? this._connectorSide(sourceConnector, end) : null;
var cascadeStartHorizontal = this._startHorizontal(start, end, sourceConnectorSide);
var points = [
start,
start,
end,
end
];
var deltaX = end.x - start.x;
var deltaY = end.y - start.y;
var length = points.length;
var shiftX;
var shiftY;
for (var idx = 1; idx < length - 1; ++idx) {
if (cascadeStartHorizontal) {
if (idx % 2 !== 0) {
shiftX = deltaX / (length / 2);
shiftY = 0;
} else {
shiftX = 0;
shiftY = deltaY / ((length - 1) / 2);
}
} else {
if (idx % 2 !== 0) {
shiftX = 0;
shiftY = deltaY / (length / 2);
} else {
shiftX = deltaX / ((length - 1) / 2);
shiftY = 0;
}
}
points[idx] = new Point(points[idx - 1].x + shiftX, points[idx - 1].y + shiftY);
}
idx--;
if (cascadeStartHorizontal && idx % 2 !== 0 || !cascadeStartHorizontal && idx % 2 === 0) {
points[length - 2] = new Point(points[length - 1].x, points[length - 2].y);
} else {
points[length - 2] = new Point(points[length - 2].x, points[length - 1].y);
}
return [
points[1],
points[2]
];
},
_startHorizontal: function (start, end, sourceSide) {
var horizontal;
if (sourceSide !== null && (sourceSide === RIGHT || sourceSide === LEFT)) {
horizontal = true;
} else {
horizontal = Math.abs(start.x - end.x) > Math.abs(start.y - end.y);
}
return horizontal;
}
});
var AdornerBase = Class.extend({
init: function (diagram, options) {
var that = this;
that.diagram = diagram;
that.options = deepExtend({}, that.options, options);
that.visual = new Group();
that.diagram._adorners.push(that);
},
refresh: function () {
}
});
var ConnectionEditAdorner = AdornerBase.extend({
init: function (connection, options) {
var that = this, diagram;
that.connection = connection;
diagram = that.connection.diagram;
that._ts = diagram.toolService;
AdornerBase.fn.init.call(that, diagram, options);
var sp = that.connection.sourcePoint();
var tp = that.connection.targetPoint();
that.spVisual = new Circle(deepExtend(that.options.handles, { center: sp }));
that.epVisual = new Circle(deepExtend(that.options.handles, { center: tp }));
that.visual.append(that.spVisual);
that.visual.append(that.epVisual);
},
options: { handles: {} },
_getCursor: function () {
return Cursors.move;
},
start: function (p) {
this.handle = this._hitTest(p);
this.startPoint = p;
this._initialSource = this.connection.source();
this._initialTarget = this.connection.target();
switch (this.handle) {
case -1:
if (this.connection.targetConnector) {
this._ts._connectionManipulation(this.connection, this.connection.targetConnector.shape);
}
break;
case 1:
if (this.connection.sourceConnector) {
this._ts._connectionManipulation(this.connection, this.connection.sourceConnector.shape);
}
break;
}
},
move: function (handle, p) {
switch (handle) {
case -1:
this.connection.source(p);
break;
case 1:
this.connection.target(p);
break;
default:
var delta = p.minus(this.startPoint);
this.startPoint = p;
if (!this.connection.sourceConnector) {
this.connection.source(this.connection.sourcePoint().plus(delta));
}
if (!this.connection.targetConnector) {
this.connection.target(this.connection.targetPoint().plus(delta));
}
break;
}
this.refresh();
return true;
},
stop: function (p) {
var ts = this.diagram.toolService, item = ts.hoveredItem, target;
if (ts._hoveredConnector) {
target = ts._hoveredConnector._c;
} else if (item && item instanceof diagram.Shape) {
target = item.getConnector(AUTO) || item.getConnector(p);
} else {
target = p;
}
if (this.handle === -1) {
this.connection.source(target);
} else if (this.handle === 1) {
this.connection.target(target);
}
this.handle = undefined;
this._ts._connectionManipulation();
return new ConnectionEditUndoUnit(this.connection, this._initialSource, this._initialTarget);
},
_hitTest: function (p) {
var sp = this.connection.sourcePoint(), tp = this.connection.targetPoint(), rx = this.options.handles.width / 2, ry = this.options.handles.height / 2, sb = new Rect(sp.x, sp.y).inflate(rx, ry), tb = new Rect(tp.x, tp.y).inflate(rx, ry);
return sb.contains(p) ? -1 : tb.contains(p) ? 1 : 0;
},
refresh: function () {
this.spVisual.redraw({ center: this.diagram.modelToLayer(this.connection.sourcePoint()) });
this.epVisual.redraw({ center: this.diagram.modelToLayer(this.connection.targetPoint()) });
}
});
var ConnectorsAdorner = AdornerBase.extend({
init: function (diagram, options) {
var that = this;
AdornerBase.fn.init.call(that, diagram, options);
that._refreshHandler = function (e) {
if (e.item == that.shape) {
that.refresh();
}
};
},
show: function (shape) {
var that = this, len, i, ctr;
that._visible = true;
that.shape = shape;
that.diagram.bind(ITEMBOUNDSCHANGE, that._refreshHandler);
len = shape.connectors.length;
that.connectors = [];
that.visual.clear();
for (i = 0; i < len; i++) {
ctr = new ConnectorVisual(shape.connectors[i]);
that.connectors.push(ctr);
that.visual.append(ctr.visual);
}
that.visual.visible(true);
that.refresh();
},
destroy: function () {
var that = this;
that.diagram.unbind(ITEMBOUNDSCHANGE, that._refreshHandler);
that.shape = undefined;
that._visible = undefined;
that.visual.visible(false);
},
_hitTest: function (p) {
var ctr, i;
for (i = 0; i < this.connectors.length; i++) {
ctr = this.connectors[i];
if (ctr._hitTest(p)) {
ctr._hover(true);
this.diagram.toolService._hoveredConnector = ctr;
break;
}
}
},
refresh: function () {
if (this.shape) {
var bounds = this.shape.bounds();
bounds = this.diagram.modelToLayer(bounds);
this.visual.position(bounds.topLeft());
$.each(this.connectors, function () {
this.refresh();
});
}
}
});
function hitToOppositeSide(hit, bounds) {
var result;
if (hit.x == -1 && hit.y == -1) {
result = bounds.bottomRight();
} else if (hit.x == 1 && hit.y == 1) {
result = bounds.topLeft();
} else if (hit.x == -1 && hit.y == 1) {
result = bounds.topRight();
} else if (hit.x == 1 && hit.y == -1) {
result = bounds.bottomLeft();
} else if (hit.x === 0 && hit.y == -1) {
result = bounds.bottom();
} else if (hit.x === 0 && hit.y == 1) {
result = bounds.top();
} else if (hit.x == 1 && hit.y === 0) {
result = bounds.left();
} else if (hit.x == -1 && hit.y === 0) {
result = bounds.right();
}
return result;
}
var ResizingAdorner = AdornerBase.extend({
init: function (diagram, options) {
var that = this;
AdornerBase.fn.init.call(that, diagram, options);
that._manipulating = false;
that.map = [];
that.shapes = [];
that._initSelection();
that._createHandles();
that.redraw();
that.diagram.bind('select', function (e) {
that._initialize(e.selected);
});
that._refreshHandler = function () {
if (!that._internalChange) {
that.refreshBounds();
that.refresh();
}
};
that._rotatedHandler = function () {
if (that.shapes.length == 1) {
that._angle = that.shapes[0].rotate().angle;
}
that._refreshHandler();
};
that.diagram.bind(ITEMBOUNDSCHANGE, that._refreshHandler).bind(ITEMROTATE, that._rotatedHandler);
that.refreshBounds();
that.refresh();
},
options: {
handles: {
fill: { color: '#fff' },
stroke: { color: '#282828' },
height: 7,
width: 7,
hover: {
fill: { color: '#282828' },
stroke: { color: '#282828' }
}
},
selectable: {
stroke: {
color: '#778899',
width: 1,
dashType: 'dash'
},
fill: { color: TRANSPARENT }
},
offset: 10
},
_initSelection: function () {
var that = this;
var diagram = that.diagram;
var selectable = diagram.options.selectable;
var options = deepExtend({}, that.options.selectable, selectable);
that.rect = new Rectangle(options);
that.visual.append(that.rect);
},
_resizable: function () {
return this.options.editable && this.options.editable.resize !== false;
},
_handleOptions: function () {
return (this.options.editable.resize || {}).handles || this.options.handles;
},
_createHandles: function () {
var handles, item, y, x;
if (this._resizable()) {
handles = this._handleOptions();
for (x = -1; x <= 1; x++) {
for (y = -1; y <= 1; y++) {
if (x !== 0 || y !== 0) {
item = new Rectangle(handles);
item.drawingElement._hover = proxy(this._hover, this);
this.map.push({
x: x,
y: y,
visual: item
});
this.visual.append(item);
}
}
}
}
},
bounds: function (value) {
if (value) {
this._innerBounds = value.clone();
this._bounds = this.diagram.modelToLayer(value).inflate(this.options.offset, this.options.offset);
} else {
return this._bounds;
}
},
_hitTest: function (p) {
var tp = this.diagram.modelToLayer(p), i, hit, handleBounds, handlesCount = this.map.length, handle;
if (this._angle) {
tp = tp.clone().rotate(this._bounds.center(), this._angle);
}
if (this._resizable()) {
for (i = 0; i < handlesCount; i++) {
handle = this.map[i];
hit = new Point(handle.x, handle.y);
handleBounds = this._getHandleBounds(hit);
handleBounds.offset(this._bounds.x, this._bounds.y);
if (handleBounds.contains(tp)) {
return hit;
}
}
}
if (this._bounds.contains(tp)) {
return new Point(0, 0);
}
},
_getHandleBounds: function (p) {
if (this._resizable()) {
var handles = this._handleOptions(), w = handles.width, h = handles.height, r = new Rect(0, 0, w, h);
if (p.x < 0) {
r.x = -w / 2;
} else if (p.x === 0) {
r.x = Math.floor(this._bounds.width / 2) - w / 2;
} else if (p.x > 0) {
r.x = this._bounds.width + 1 - w / 2;
}
if (p.y < 0) {
r.y = -h / 2;
} else if (p.y === 0) {
r.y = Math.floor(this._bounds.height / 2) - h / 2;
} else if (p.y > 0) {
r.y = this._bounds.height + 1 - h / 2;
}
return r;
}
},
_getCursor: function (point) {
var hit = this._hitTest(point);
if (hit && hit.x >= -1 && hit.x <= 1 && hit.y >= -1 && hit.y <= 1 && this._resizable()) {
var angle = this._angle;
if (angle) {
angle = 360 - angle;
hit.rotate(new Point(0, 0), angle);
hit = new Point(Math.round(hit.x), Math.round(hit.y));
}
if (hit.x == -1 && hit.y == -1) {
return 'nw-resize';
}
if (hit.x == 1 && hit.y == 1) {
return 'se-resize';
}
if (hit.x == -1 && hit.y == 1) {
return 'sw-resize';
}
if (hit.x == 1 && hit.y == -1) {
return 'ne-resize';
}
if (hit.x === 0 && hit.y == -1) {
return 'n-resize';
}
if (hit.x === 0 && hit.y == 1) {
return 's-resize';
}
if (hit.x == 1 && hit.y === 0) {
return 'e-resize';
}
if (hit.x == -1 && hit.y === 0) {
return 'w-resize';
}
}
return this._manipulating ? Cursors.move : Cursors.select;
},
_initialize: function () {
var that = this, i, item, items = that.diagram.select();
that.shapes = [];
for (i = 0; i < items.length; i++) {
item = items[i];
if (item instanceof diagram.Shape) {
that.shapes.push(item);
item._rotationOffset = new Point();
}
}
that._angle = that.shapes.length == 1 ? that.shapes[0].rotate().angle : 0;
that._startAngle = that._angle;
that._rotates();
that._positions();
that.refreshBounds();
that.refresh();
that.redraw();
},
_rotates: function () {
var that = this, i, shape;
that.initialRotates = [];
for (i = 0; i < that.shapes.length; i++) {
shape = that.shapes[i];
that.initialRotates.push(shape.rotate().angle);
}
},
_positions: function () {
var that = this, i, shape;
that.initialStates = [];
for (i = 0; i < that.shapes.length; i++) {
shape = that.shapes[i];
that.initialStates.push(shape.bounds());
}
},
_hover: function (value, element) {
if (this._resizable()) {
var handleOptions = this._handleOptions(), hover = handleOptions.hover, stroke = handleOptions.stroke, fill = handleOptions.fill;
if (value && Utils.isDefined(hover.stroke)) {
stroke = deepExtend({}, stroke, hover.stroke);
}
if (value && Utils.isDefined(hover.fill)) {
fill = hover.fill;
}
element.stroke(stroke.color, stroke.width, stroke.opacity);
element.fill(fill.color, fill.opacity);
}
},
start: function (p) {
this._sp = p;
this._cp = p;
this._lp = p;
this._manipulating = true;
this._internalChange = true;
this.shapeStates = [];
for (var i = 0; i < this.shapes.length; i++) {
var shape = this.shapes[i];
this.shapeStates.push(shape.bounds());
}
},
redraw: function () {
var i, handle, visibleHandles = this._resizable();
for (i = 0; i < this.map.length; i++) {
handle = this.map[i];
handle.visual.visible(visibleHandles);
}
},
angle: function (value) {
if (defined(value)) {
this._angle = value;
}
return this._angle;
},
rotate: function () {
var center = this._innerBounds.center();
var currentAngle = this.angle();
this._internalChange = true;
for (var i = 0; i < this.shapes.length; i++) {
var shape = this.shapes[i];
currentAngle = (currentAngle + this.initialRotates[i] - this._startAngle) % 360;
shape.rotate(currentAngle, center);
}
this.refresh();
},
move: function (handle, p) {
var delta, dragging, dtl = new Point(), dbr = new Point(), bounds, center, shape, i, angle, newBounds, changed = 0, staticPoint, scaleX, scaleY;
if (handle.y === -2 && handle.x === -1) {
center = this._innerBounds.center();
this._angle = this._truncateAngle(Utils.findAngle(center, p));
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
angle = (this._angle + this.initialRotates[i] - this._startAngle) % 360;
shape.rotate(angle, center);
if (shape.hasOwnProperty('layout')) {
shape.layout(shape);
}
this._rotating = true;
}
this.refresh();
} else {
if (this.shouldSnap()) {
var thr = this._truncateDistance(p.minus(this._lp));
if (thr.x === 0 && thr.y === 0) {
this._cp = p;
return;
}
delta = thr;
this._lp = new Point(this._lp.x + thr.x, this._lp.y + thr.y);
} else {
delta = p.minus(this._cp);
}
if (this.isDragHandle(handle)) {
dbr = dtl = delta;
dragging = true;
} else {
if (this._angle) {
delta.rotate(new Point(0, 0), this._angle);
}
if (handle.x == -1) {
dtl.x = delta.x;
} else if (handle.x == 1) {
dbr.x = delta.x;
}
if (handle.y == -1) {
dtl.y = delta.y;
} else if (handle.y == 1) {
dbr.y = delta.y;
}
}
if (!dragging) {
staticPoint = hitToOppositeSide(handle, this._innerBounds);
scaleX = (this._innerBounds.width + delta.x * handle.x) / this._innerBounds.width;
scaleY = (this._innerBounds.height + delta.y * handle.y) / this._innerBounds.height;
}
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
bounds = shape.bounds();
if (dragging) {
if (!canDrag(shape)) {
continue;
}
newBounds = this._displaceBounds(bounds, dtl, dbr, dragging);
} else {
newBounds = bounds.clone();
newBounds.scale(scaleX, scaleY, staticPoint, this._innerBounds.center(), shape.rotate().angle);
var newCenter = newBounds.center();
newCenter.rotate(bounds.center(), -this._angle);
newBounds = new Rect(newCenter.x - newBounds.width / 2, newCenter.y - newBounds.height / 2, newBounds.width, newBounds.height);
}
if (newBounds.width >= shape.options.minWidth && newBounds.height >= shape.options.minHeight) {
var oldBounds = bounds;
shape.bounds(newBounds);
if (shape.hasOwnProperty('layout')) {
shape.layout(shape, oldBounds, newBounds);
}
if (oldBounds.width !== newBounds.width || oldBounds.height !== newBounds.height) {
shape.rotate(shape.rotate().angle);
}
changed += 1;
}
}
if (changed) {
if (changed == i) {
newBounds = this._displaceBounds(this._innerBounds, dtl, dbr, dragging);
this.bounds(newBounds);
} else {
this.refreshBounds();
}
this.refresh();
}
this._positions();
}
this._cp = p;
},
isDragHandle: function (handle) {
return handle.x === 0 && handle.y === 0;
},
cancel: function () {
var shapes = this.shapes;
var states = this.shapeStates;
for (var idx = 0; idx < shapes.length; idx++) {
shapes[idx].bounds(states[idx]);
}
this.refreshBounds();
this.refresh();
this._manipulating = undefined;
this._internalChange = undefined;
this._rotating = undefined;
},
_truncatePositionToGuides: function (bounds) {
if (this.diagram.ruler) {
return this.diagram.ruler.truncatePositionToGuides(bounds);
}
return bounds;
},
_truncateSizeToGuides: function (bounds) {
if (this.diagram.ruler) {
return this.diagram.ruler.truncateSizeToGuides(bounds);
}
return bounds;
},
_truncateAngle: function (a) {
var snap = this.snapOptions();
var snapAngle = Math.max(snap.angle || DEFAULT_SNAP_ANGLE, MIN_SNAP_ANGLE);
return snap ? Math.floor(a % 360 / snapAngle) * snapAngle : a % 360;
},
_truncateDistance: function (d) {
if (d instanceof diagram.Point) {
return new diagram.Point(this._truncateDistance(d.x), this._truncateDistance(d.y));
} else {
var snap = this.snapOptions() || {};
var snapSize = Math.max(snap.size || DEFAULT_SNAP_SIZE, MIN_SNAP_SIZE);
return snap ? Math.floor(d / snapSize) * snapSize : d;
}
},
snapOptions: function () {
var editable = this.diagram.options.editable;
var snap = ((editable || {}).drag || {}).snap || {};
return snap;
},
shouldSnap: function () {
var editable = this.diagram.options.editable;
var drag = (editable || {}).drag;
var snap = (drag || {}).snap;
return editable !== false && drag !== false && snap !== false;
},
_displaceBounds: function (bounds, dtl, dbr, dragging) {
var tl = bounds.topLeft().plus(dtl), br = bounds.bottomRight().plus(dbr), newBounds = Rect.fromPoints(tl, br), newCenter;
if (!dragging) {
newCenter = newBounds.center();
newCenter.rotate(bounds.center(), -this._angle);
newBounds = new Rect(newCenter.x - newBounds.width / 2, newCenter.y - newBounds.height / 2, newBounds.width, newBounds.height);
}
return newBounds;
},
stop: function () {
var unit, i, shape;
if (this._cp != this._sp) {
if (this._rotating) {
unit = new RotateUnit(this, this.shapes, this.initialRotates);
this._rotating = false;
} else if (this._diffStates()) {
if (this.diagram.ruler) {
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
var bounds = shape.bounds();
bounds = this._truncateSizeToGuides(this._truncatePositionToGuides(bounds));
shape.bounds(bounds);
this.refreshBounds();
this.refresh();
}
}
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
shape.updateModel();
}
unit = new TransformUnit(this.shapes, this.shapeStates, this);
this.diagram._syncShapeChanges();
}
}
this._manipulating = undefined;
this._internalChange = undefined;
this._rotating = undefined;
return unit;
},
_diffStates: function () {
var shapes = this.shapes;
var states = this.shapeStates;
for (var idx = 0; idx < shapes.length; idx++) {
if (!shapes[idx].bounds().equals(states[idx])) {
return true;
}
}
return false;
},
refreshBounds: function () {
var bounds = this.shapes.length == 1 ? this.shapes[0].bounds().clone() : this.diagram.boundingBox(this.shapes, true);
this.bounds(bounds);
},
refresh: function () {
var that = this, b, bounds;
if (this.shapes.length > 0) {
bounds = this.bounds();
this.visual.visible(true);
this.visual.position(bounds.topLeft());
$.each(this.map, function () {
b = that._getHandleBounds(new Point(this.x, this.y));
this.visual.position(b.topLeft());
});
this.visual.position(bounds.topLeft());
var center = new Point(bounds.width / 2, bounds.height / 2);
this.visual.rotate(this._angle, center);
this.rect.redraw({
width: bounds.width,
height: bounds.height
});
if (this.rotationThumb) {
var thumb = this.options.editable.rotate.thumb;
this._rotationThumbBounds = new Rect(bounds.center().x, bounds.y + thumb.y, 0, 0).inflate(thumb.width);
this.rotationThumb.redraw({ x: bounds.width / 2 - thumb.width / 2 });
}
} else {
this.visual.visible(false);
}
}
});
var Selector = Class.extend({
init: function (diagram) {
var selectable = diagram.options.selectable;
this.options = deepExtend({}, this.options, selectable);
this.visual = new Rectangle(this.options);
this.diagram = diagram;
},
options: {
stroke: {
color: '#778899',
width: 1,
dashType: 'dash'
},
fill: { color: TRANSPARENT }
},
start: function (p) {
this._sp = this._ep = p;
this.refresh();
this.diagram._adorn(this, true);
},
end: function () {
this._sp = this._ep = undefined;
this.diagram._adorn(this, false);
},
bounds: function (value) {
if (value) {
this._bounds = value;
}
return this._bounds;
},
move: function (p) {
this._ep = p;
this.refresh();
},
refresh: function () {
if (this._sp) {
var visualBounds = Rect.fromPoints(this.diagram.modelToLayer(this._sp), this.diagram.modelToLayer(this._ep));
this.bounds(Rect.fromPoints(this._sp, this._ep));
this.visual.position(visualBounds.topLeft());
this.visual.redraw({
height: visualBounds.height + 1,
width: visualBounds.width + 1
});
}
}
});
var ConnectorVisual = Class.extend({
init: function (connector) {
this.options = deepExtend({}, connector.options);
this._c = connector;
this.visual = new Circle(this.options);
this.refresh();
},
_hover: function (value) {
var options = this.options, hover = options.hover, stroke = options.stroke, fill = options.fill;
if (value && Utils.isDefined(hover.stroke)) {
stroke = deepExtend({}, stroke, hover.stroke);
}
if (value && Utils.isDefined(hover.fill)) {
fill = hover.fill;
}
this.visual.redraw({
stroke: stroke,
fill: fill
});
},
refresh: function () {
var p = this._c.shape.diagram.modelToView(this._c.position()), relative = p.minus(this._c.shape.bounds('transformed').topLeft()), value = new Rect(p.x, p.y, 0, 0);
value.inflate(this.options.width / 2, this.options.height / 2);
this._visualBounds = value;
this.visual.redraw({ center: new Point(relative.x, relative.y) });
},
_hitTest: function (p) {
var tp = this._c.shape.diagram.modelToView(p);
return this._visualBounds.contains(tp);
}
});
function canDrag(element) {
var editable = element.options.editable;
return editable && editable.drag !== false;
}
function hitTestShapeConnectors(shape, point) {
var connector, position, rect;
for (var idx = 0; idx < shape.connectors.length; idx++) {
connector = shape.connectors[idx];
position = connector.position();
rect = new Rect(position.x, position.y);
rect.inflate(HIT_TEST_DISTANCE, HIT_TEST_DISTANCE);
if (rect.contains(point)) {
return connector;
}
}
}
deepExtend(diagram, {
CompositeUnit: CompositeUnit,
TransformUnit: TransformUnit,
PanUndoUnit: PanUndoUnit,
AddShapeUnit: AddShapeUnit,
AddConnectionUnit: AddConnectionUnit,
DeleteShapeUnit: DeleteShapeUnit,
DeleteConnectionUnit: DeleteConnectionUnit,
ConnectionEditAdorner: ConnectionEditAdorner,
ConnectionTool: ConnectionTool,
ConnectorVisual: ConnectorVisual,
UndoRedoService: UndoRedoService,
ResizingAdorner: ResizingAdorner,
Selector: Selector,
ToolService: ToolService,
ConnectorsAdorner: ConnectorsAdorner,
LayoutUndoUnit: LayoutUndoUnit,
ConnectionEditUnit: ConnectionEditUnit,
ToFrontUnit: ToFrontUnit,
ToBackUnit: ToBackUnit,
ConnectionRouterBase: ConnectionRouterBase,
PolylineRouter: PolylineRouter,
CascadingRouter: CascadingRouter,
SelectionTool: SelectionTool,
ScrollerTool: ScrollerTool,
PointerTool: PointerTool,
ConnectionEditTool: ConnectionEditTool,
RotateUnit: RotateUnit
});
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('dataviz/diagram/layout', ['dataviz/diagram/math'], f);
}(function () {
(function ($, undefined) {
var kendo = window.kendo, diagram = kendo.dataviz.diagram, Graph = diagram.Graph, Node = diagram.Node, Link = diagram.Link, deepExtend = kendo.deepExtend, Size = diagram.Size, Rect = diagram.Rect, Dictionary = diagram.Dictionary, Set = diagram.Set, HyperTree = diagram.Graph, Utils = diagram.Utils, Point = diagram.Point, EPSILON = 0.000001, DEG_TO_RAD = Math.PI / 180, contains = Utils.contains, grep = $.grep;
var LayoutBase = kendo.Class.extend({
defaultOptions: {
type: 'Tree',
subtype: 'Down',
roots: null,
animate: false,
limitToView: false,
friction: 0.9,
nodeDistance: 50,
iterations: 300,
horizontalSeparation: 90,
verticalSeparation: 50,
underneathVerticalTopOffset: 15,
underneathHorizontalOffset: 15,
underneathVerticalSeparation: 15,
grid: {
width: 1500,
offsetX: 50,
offsetY: 50,
componentSpacingX: 20,
componentSpacingY: 20
},
layerSeparation: 50,
layeredIterations: 2,
startRadialAngle: 0,
endRadialAngle: 360,
radialSeparation: 150,
radialFirstLevelSeparation: 200,
keepComponentsInOneRadialLayout: false,
ignoreContainers: true,
layoutContainerChildren: false,
ignoreInvisible: true,
animateTransitions: false
},
init: function () {
},
gridLayoutComponents: function (components) {
if (!components) {
throw 'No components supplied.';
}
Utils.forEach(components, function (c) {
c.calcBounds();
});
components.sort(function (a, b) {
return b.bounds.width - a.bounds.width;
});
var maxWidth = this.options.grid.width, offsetX = this.options.grid.componentSpacingX, offsetY = this.options.grid.componentSpacingY, height = 0, startX = this.options.grid.offsetX, startY = this.options.grid.offsetY, x = startX, y = startY, i, resultLinkSet = [], resultNodeSet = [];
while (components.length > 0) {
if (x >= maxWidth) {
x = startX;
y += height + offsetY;
height = 0;
}
var component = components.pop();
this.moveToOffset(component, new Point(x, y));
for (i = 0; i < component.nodes.length; i++) {
resultNodeSet.push(component.nodes[i]);
}
for (i = 0; i < component.links.length; i++) {
resultLinkSet.push(component.links[i]);
}
var boundingRect = component.bounds;
var currentHeight = boundingRect.height;
if (currentHeight <= 0 || isNaN(currentHeight)) {
currentHeight = 0;
}
var currentWidth = boundingRect.width;
if (currentWidth <= 0 || isNaN(currentWidth)) {
currentWidth = 0;
}
if (currentHeight >= height) {
height = currentHeight;
}
x += currentWidth + offsetX;
}
return {
nodes: resultNodeSet,
links: resultLinkSet
};
},
moveToOffset: function (component, p) {
var i, j, bounds = component.bounds, deltax = p.x - bounds.x, deltay = p.y - bounds.y;
for (i = 0; i < component.nodes.length; i++) {
var node = component.nodes[i];
var nodeBounds = node.bounds();
if (nodeBounds.width === 0 && nodeBounds.height === 0 && nodeBounds.x === 0 && nodeBounds.y === 0) {
nodeBounds = new Rect(0, 0, 0, 0);
}
nodeBounds.x += deltax;
nodeBounds.y += deltay;
node.bounds(nodeBounds);
}
for (i = 0; i < component.links.length; i++) {
var link = component.links[i];
if (link.points) {
var newpoints = [];
var points = link.points;
for (j = 0; j < points.length; j++) {
var pt = points[j];
pt.x += deltax;
pt.y += deltay;
newpoints.push(pt);
}
link.points = newpoints;
}
}
this.currentHorizontalOffset += bounds.width + this.options.grid.offsetX;
return new Point(deltax, deltay);
},
transferOptions: function (options) {
this.options = kendo.deepExtend({}, this.defaultOptions);
if (Utils.isUndefined(options)) {
return;
}
this.options = kendo.deepExtend(this.options, options || {});
}
});
var DiagramToHyperTreeAdapter = kendo.Class.extend({
init: function (diagram) {
this.nodeMap = new Dictionary();
this.shapeMap = new Dictionary();
this.nodes = [];
this.edges = [];
this.edgeMap = new Dictionary();
this.finalNodes = [];
this.finalLinks = [];
this.ignoredConnections = [];
this.ignoredShapes = [];
this.hyperMap = new Dictionary();
this.hyperTree = new Graph();
this.finalGraph = null;
this.diagram = diagram;
},
convert: function (options) {
if (Utils.isUndefined(this.diagram)) {
throw 'No diagram to convert.';
}
this.options = kendo.deepExtend({
ignoreInvisible: true,
ignoreContainers: true,
layoutContainerChildren: false
}, options || {});
this.clear();
this._renormalizeShapes();
this._renormalizeConnections();
this.finalNodes = new Dictionary(this.nodes);
this.finalLinks = new Dictionary(this.edges);
this.finalGraph = new Graph();
this.finalNodes.forEach(function (n) {
this.finalGraph.addNode(n);
}, this);
this.finalLinks.forEach(function (l) {
this.finalGraph.addExistingLink(l);
}, this);
return this.finalGraph;
},
mapConnection: function (connection) {
return this.edgeMap.get(connection.id);
},
mapShape: function (shape) {
return this.nodeMap.get(shape.id);
},
getEdge: function (a, b) {
return Utils.first(a.links, function (link) {
return link.getComplement(a) === b;
});
},
clear: function () {
this.finalGraph = null;
this.hyperTree = !this.options.ignoreContainers && this.options.layoutContainerChildren ? new HyperTree() : null;
this.hyperMap = !this.options.ignoreContainers && this.options.layoutContainerChildren ? new Dictionary() : null;
this.nodeMap = new Dictionary();
this.shapeMap = new Dictionary();
this.nodes = [];
this.edges = [];
this.edgeMap = new Dictionary();
this.ignoredConnections = [];
this.ignoredShapes = [];
this.finalNodes = [];
this.finalLinks = [];
},
listToRoot: function (containerGraph) {
var list = [];
var s = containerGraph.container;
if (!s) {
return list;
}
list.push(s);
while (s.parentContainer) {
s = s.parentContainer;
list.push(s);
}
list.reverse();
return list;
},
firstNonIgnorableContainer: function (shape) {
if (shape.isContainer && !this._isIgnorableItem(shape)) {
return shape;
}
return !shape.parentContainer ? null : this.firstNonIgnorableContainer(shape.parentContainer);
},
isContainerConnection: function (a, b) {
if (a.isContainer && this.isDescendantOf(a, b)) {
return true;
}
return b.isContainer && this.isDescendantOf(b, a);
},
isDescendantOf: function (scope, a) {
if (!scope.isContainer) {
throw 'Expecting a container.';
}
if (scope === a) {
return false;
}
if (contains(scope.children, a)) {
return true;
}
var containers = [];
for (var i = 0, len = scope.children.length; i < len; i++) {
var c = scope.children[i];
if (c.isContainer && this.isDescendantOf(c, a)) {
containers.push(c);
}
}
return containers.length > 0;
},
isIgnorableItem: function (shape) {
if (this.options.ignoreInvisible) {
if (shape.isCollapsed && this._isVisible(shape)) {
return false;
}
if (!shape.isCollapsed && this._isVisible(shape)) {
return false;
}
return true;
} else {
return shape.isCollapsed && !this._isTop(shape);
}
},
isShapeMapped: function (shape) {
return shape.isCollapsed && !this._isVisible(shape) && !this._isTop(shape);
},
leastCommonAncestor: function (a, b) {
if (!a) {
throw 'Parameter should not be null.';
}
if (!b) {
throw 'Parameter should not be null.';
}
if (!this.hyperTree) {
throw 'No hypertree available.';
}
var al = this.listToRoot(a);
var bl = this.listToRoot(b);
var found = null;
if (Utils.isEmpty(al) || Utils.isEmpty(bl)) {
return this.hyperTree.root.data;
}
var xa = al[0];
var xb = bl[0];
var i = 0;
while (xa === xb) {
found = al[i];
i++;
if (i >= al.length || i >= bl.length) {
break;
}
xa = al[i];
xb = bl[i];
}
if (!found) {
return this.hyperTree.root.data;
} else {
return grep(this.hyperTree.nodes, function (n) {
return n.data.container === found;
});
}
},
_isTop: function (item) {
return !item.parentContainer;
},
_isVisible: function (shape) {
if (!shape.visible()) {
return false;
}
return !shape.parentContainer ? shape.visible() : this._isVisible(shape.parentContainer);
},
_isCollapsed: function (shape) {
if (shape.isContainer && shape.isCollapsed) {
return true;
}
return shape.parentContainer && this._isCollapsed(shape.parentContainer);
},
_renormalizeShapes: function () {
if (this.options.ignoreContainers) {
for (var i = 0, len = this.diagram.shapes.length; i < len; i++) {
var shape = this.diagram.shapes[i];
if (this.options.ignoreInvisible && !this._isVisible(shape) || shape.isContainer) {
this.ignoredShapes.push(shape);
continue;
}
var node = new Node(shape.id, shape);
node.isVirtual = false;
this.nodeMap.add(shape.id, node);
this.nodes.push(node);
}
} else {
throw 'Containers are not supported yet, but stay tuned.';
}
},
_renormalizeConnections: function () {
if (this.diagram.connections.length === 0) {
return;
}
for (var i = 0, len = this.diagram.connections.length; i < len; i++) {
var conn = this.diagram.connections[i];
if (this.isIgnorableItem(conn)) {
this.ignoredConnections.push(conn);
continue;
}
var source = !conn.sourceConnector ? null : conn.sourceConnector.shape;
var sink = !conn.targetConnector ? null : conn.targetConnector.shape;
if (!source || !sink) {
this.ignoredConnections.push(conn);
continue;
}
if (contains(this.ignoredShapes, source) && !this.shapeMap.containsKey(source)) {
this.ignoredConnections.push(conn);
continue;
}
if (contains(this.ignoredShapes, sink) && !this.shapeMap.containsKey(sink)) {
this.ignoredConnections.push(conn);
continue;
}
if (this.shapeMap.containsKey(source)) {
source = this.shapeMap[source];
}
if (this.shapeMap.containsKey(sink)) {
sink = this.shapeMap[sink];
}
var sourceNode = this.mapShape(source);
var sinkNode = this.mapShape(sink);
if (sourceNode === sinkNode || this.areConnectedAlready(sourceNode, sinkNode)) {
this.ignoredConnections.push(conn);
continue;
}
if (sourceNode === null || sinkNode === null) {
throw 'A shape was not mapped to a node.';
}
if (this.options.ignoreContainers) {
if (sourceNode.isVirtual || sinkNode.isVirtual) {
this.ignoredConnections.push(conn);
continue;
}
var newEdge = new Link(sourceNode, sinkNode, conn.id, conn);
this.edgeMap.add(conn.id, newEdge);
this.edges.push(newEdge);
} else {
throw 'Containers are not supported yet, but stay tuned.';
}
}
},
areConnectedAlready: function (n, m) {
return Utils.any(this.edges, function (l) {
return l.source === n && l.target === m || l.source === m && l.target === n;
});
}
});
var SpringLayout = LayoutBase.extend({
init: function (diagram) {
var that = this;
LayoutBase.fn.init.call(that);
if (Utils.isUndefined(diagram)) {
throw 'Diagram is not specified.';
}
this.diagram = diagram;
},
layout: function (options) {
this.transferOptions(options);
var adapter = new DiagramToHyperTreeAdapter(this.diagram);
var graph = adapter.convert(options);
if (graph.isEmpty()) {
return;
}
var components = graph.getConnectedComponents();
if (Utils.isEmpty(components)) {
return;
}
for (var i = 0; i < components.length; i++) {
var component = components[i];
this.layoutGraph(component, options);
}
var finalNodeSet = this.gridLayoutComponents(components);
return new diagram.LayoutState(this.diagram, finalNodeSet);
},
layoutGraph: function (graph, options) {
if (Utils.isDefined(options)) {
this.transferOptions(options);
}
this.graph = graph;
var initialTemperature = this.options.nodeDistance * 9;
this.temperature = initialTemperature;
var guessBounds = this._expectedBounds();
this.width = guessBounds.width;
this.height = guessBounds.height;
for (var step = 0; step < this.options.iterations; step++) {
this.refineStage = step >= this.options.iterations * 5 / 6;
this.tick();
this.temperature = this.refineStage ? initialTemperature / 30 : initialTemperature * (1 - step / (2 * this.options.iterations));
}
},
tick: function () {
var i;
for (i = 0; i < this.graph.nodes.length; i++) {
this._repulsion(this.graph.nodes[i]);
}
for (i = 0; i < this.graph.links.length; i++) {
this._attraction(this.graph.links[i]);
}
for (i = 0; i < this.graph.nodes.length; i++) {
var node = this.graph.nodes[i];
var offset = Math.sqrt(node.dx * node.dx + node.dy * node.dy);
if (offset === 0) {
return;
}
node.x += Math.min(offset, this.temperature) * node.dx / offset;
node.y += Math.min(offset, this.temperature) * node.dy / offset;
if (this.options.limitToView) {
node.x = Math.min(this.width, Math.max(node.width / 2, node.x));
node.y = Math.min(this.height, Math.max(node.height / 2, node.y));
}
}
},
_shake: function (node) {
var rho = Math.random() * this.options.nodeDistance / 4;
var alpha = Math.random() * 2 * Math.PI;
node.x += rho * Math.cos(alpha);
node.y -= rho * Math.sin(alpha);
},
_InverseSquareForce: function (d, n, m) {
var force;
if (!this.refineStage) {
force = Math.pow(d, 2) / Math.pow(this.options.nodeDistance, 2);
} else {
var deltax = n.x - m.x;
var deltay = n.y - m.y;
var wn = n.width / 2;
var hn = n.height / 2;
var wm = m.width / 2;
var hm = m.height / 2;
force = Math.pow(deltax, 2) / Math.pow(wn + wm + this.options.nodeDistance, 2) + Math.pow(deltay, 2) / Math.pow(hn + hm + this.options.nodeDistance, 2);
}
return force * 4 / 3;
},
_SquareForce: function (d, n, m) {
return 1 / this._InverseSquareForce(d, n, m);
},
_repulsion: function (n) {
n.dx = 0;
n.dy = 0;
Utils.forEach(this.graph.nodes, function (m) {
if (m === n) {
return;
}
while (n.x === m.x && n.y === m.y) {
this._shake(m);
}
var vx = n.x - m.x;
var vy = n.y - m.y;
var distance = Math.sqrt(vx * vx + vy * vy);
var r = this._SquareForce(distance, n, m) * 2;
n.dx += vx / distance * r;
n.dy += vy / distance * r;
}, this);
},
_attraction: function (link) {
var t = link.target;
var s = link.source;
if (s === t) {
return;
}
while (s.x === t.x && s.y === t.y) {
this._shake(t);
}
var vx = s.x - t.x;
var vy = s.y - t.y;
var distance = Math.sqrt(vx * vx + vy * vy);
var a = this._InverseSquareForce(distance, s, t) * 5;
var dx = vx / distance * a;
var dy = vy / distance * a;
t.dx += dx;
t.dy += dy;
s.dx -= dx;
s.dy -= dy;
},
_expectedBounds: function () {
var size, N = this.graph.nodes.length, ratio = 1.5, multiplier = 4;
if (N === 0) {
return size;
}
size = Utils.fold(this.graph.nodes, function (s, node) {
var area = node.width * node.height;
if (area > 0) {
s += Math.sqrt(area);
return s;
}
return 0;
}, 0, this);
var av = size / N;
var squareSize = av * Math.ceil(Math.sqrt(N));
var width = squareSize * Math.sqrt(ratio);
var height = squareSize / Math.sqrt(ratio);
return {
width: width * multiplier,
height: height * multiplier
};
}
});
var TreeLayoutProcessor = kendo.Class.extend({
init: function (options) {
this.center = null;
this.options = options;
},
layout: function (treeGraph, root) {
this.graph = treeGraph;
if (!this.graph.nodes || this.graph.nodes.length === 0) {
return;
}
if (!contains(this.graph.nodes, root)) {
throw 'The given root is not in the graph.';
}
this.center = root;
this.graph.cacheRelationships();
this.layoutSwitch();
},
layoutLeft: function (left) {
this.setChildrenDirection(this.center, 'Left', false);
this.setChildrenLayout(this.center, 'Default', false);
var h = 0, w = 0, y, i, node;
for (i = 0; i < left.length; i++) {
node = left[i];
node.TreeDirection = 'Left';
var s = this.measure(node, Size.Empty);
w = Math.max(w, s.Width);
h += s.height + this.options.verticalSeparation;
}
h -= this.options.verticalSeparation;
var x = this.center.x - this.options.horizontalSeparation;
y = this.center.y + (this.center.height - h) / 2;
for (i = 0; i < left.length; i++) {
node = left[i];
var p = new Point(x - node.Size.width, y);
this.arrange(node, p);
y += node.Size.height + this.options.verticalSeparation;
}
},
layoutRight: function (right) {
this.setChildrenDirection(this.center, 'Right', false);
this.setChildrenLayout(this.center, 'Default', false);
var h = 0, w = 0, y, i, node;
for (i = 0; i < right.length; i++) {
node = right[i];
node.TreeDirection = 'Right';
var s = this.measure(node, Size.Empty);
w = Math.max(w, s.Width);
h += s.height + this.options.verticalSeparation;
}
h -= this.options.verticalSeparation;
var x = this.center.x + this.options.horizontalSeparation + this.center.width;
y = this.center.y + (this.center.height - h) / 2;
for (i = 0; i < right.length; i++) {
node = right[i];
var p = new Point(x, y);
this.arrange(node, p);
y += node.Size.height + this.options.verticalSeparation;
}
},
layoutUp: function (up) {
this.setChildrenDirection(this.center, 'Up', false);
this.setChildrenLayout(this.center, 'Default', false);
var w = 0, y, node, i;
for (i = 0; i < up.length; i++) {
node = up[i];
node.TreeDirection = 'Up';
var s = this.measure(node, Size.Empty);
w += s.width + this.options.horizontalSeparation;
}
w -= this.options.horizontalSeparation;
var x = this.center.x + this.center.width / 2 - w / 2;
for (i = 0; i < up.length; i++) {
node = up[i];
y = this.center.y - this.options.verticalSeparation - node.Size.height;
var p = new Point(x, y);
this.arrange(node, p);
x += node.Size.width + this.options.horizontalSeparation;
}
},
layoutDown: function (down) {
var node, i;
this.setChildrenDirection(this.center, 'Down', false);
this.setChildrenLayout(this.center, 'Default', false);
var w = 0, y;
for (i = 0; i < down.length; i++) {
node = down[i];
node.treeDirection = 'Down';
var s = this.measure(node, Size.Empty);
w += s.width + this.options.horizontalSeparation;
}
w -= this.options.horizontalSeparation;
var x = this.center.x + this.center.width / 2 - w / 2;
y = this.center.y + this.options.verticalSeparation + this.center.height;
for (i = 0; i < down.length; i++) {
node = down[i];
var p = new Point(x, y);
this.arrange(node, p);
x += node.Size.width + this.options.horizontalSeparation;
}
},
layoutRadialTree: function () {
this.setChildrenDirection(this.center, 'Radial', false);
this.setChildrenLayout(this.center, 'Default', false);
this.previousRoot = null;
var startAngle = this.options.startRadialAngle * DEG_TO_RAD;
var endAngle = this.options.endRadialAngle * DEG_TO_RAD;
if (endAngle <= startAngle) {
throw 'Final angle should not be less than the start angle.';
}
this.maxDepth = 0;
this.origin = new Point(this.center.x, this.center.y);
this.calculateAngularWidth(this.center, 0);
if (this.maxDepth > 0) {
this.radialLayout(this.center, this.options.radialFirstLevelSeparation, startAngle, endAngle);
}
this.center.Angle = endAngle - startAngle;
},
tipOverTree: function (down, startFromLevel) {
if (Utils.isUndefined(startFromLevel)) {
startFromLevel = 0;
}
this.setChildrenDirection(this.center, 'Down', false);
this.setChildrenLayout(this.center, 'Default', false);
this.setChildrenLayout(this.center, 'Underneath', false, startFromLevel);
var w = 0, y, node, i;
for (i = 0; i < down.length; i++) {
node = down[i];
node.TreeDirection = 'Down';
var s = this.measure(node, Size.Empty);
w += s.width + this.options.horizontalSeparation;
}
w -= this.options.horizontalSeparation;
w -= down[down.length - 1].width;
w += down[down.length - 1].associatedShape.bounds().width;
var x = this.center.x + this.center.width / 2 - w / 2;
y = this.center.y + this.options.verticalSeparation + this.center.height;
for (i = 0; i < down.length; i++) {
node = down[i];
var p = new Point(x, y);
this.arrange(node, p);
x += node.Size.width + this.options.horizontalSeparation;
}
},
calculateAngularWidth: function (n, d) {
if (d > this.maxDepth) {
this.maxDepth = d;
}
var aw = 0, w = 1000, h = 1000, diameter = d === 0 ? 0 : Math.sqrt(w * w + h * h) / d;
if (n.children.length > 0) {
for (var i = 0, len = n.children.length; i < len; i++) {
var child = n.children[i];
aw += this.calculateAngularWidth(child, d + 1);
}
aw = Math.max(diameter, aw);
} else {
aw = diameter;
}
n.sectorAngle = aw;
return aw;
},
sortChildren: function (n) {
var basevalue = 0, i;
if (n.parents.length > 1) {
throw 'Node is not part of a tree.';
}
var p = n.parents[0];
if (p) {
var pl = new Point(p.x, p.y);
var nl = new Point(n.x, n.y);
basevalue = this.normalizeAngle(Math.atan2(pl.y - nl.y, pl.x - nl.x));
}
var count = n.children.length;
if (count === 0) {
return null;
}
var angle = [];
var idx = [];
for (i = 0; i < count; ++i) {
var c = n.children[i];
var l = new Point(c.x, c.y);
idx[i] = i;
angle[i] = this.normalizeAngle(-basevalue + Math.atan2(l.y - l.y, l.x - l.x));
}
Utils.bisort(angle, idx);
var col = [];
var children = n.children;
for (i = 0; i < count; ++i) {
col.push(children[idx[i]]);
}
return col;
},
normalizeAngle: function (angle) {
while (angle > Math.PI * 2) {
angle -= 2 * Math.PI;
}
while (angle < 0) {
angle += Math.PI * 2;
}
return angle;
},
radialLayout: function (node, radius, startAngle, endAngle) {
var deltaTheta = endAngle - startAngle;
var deltaThetaHalf = deltaTheta / 2;
var parentSector = node.sectorAngle;
var fraction = 0;
var sorted = this.sortChildren(node);
for (var i = 0, len = sorted.length; i < len; i++) {
var childNode = sorted[i];
var cp = childNode;
var childAngleFraction = cp.sectorAngle / parentSector;
if (childNode.children.length > 0) {
this.radialLayout(childNode, radius + this.options.radialSeparation, startAngle + fraction * deltaTheta, startAngle + (fraction + childAngleFraction) * deltaTheta);
}
this.setPolarLocation(childNode, radius, startAngle + fraction * deltaTheta + childAngleFraction * deltaThetaHalf);
cp.angle = childAngleFraction * deltaTheta;
fraction += childAngleFraction;
}
},
setPolarLocation: function (node, radius, angle) {
node.x = this.origin.x + radius * Math.cos(angle);
node.y = this.origin.y + radius * Math.sin(angle);
node.BoundingRectangle = new Rect(node.x, node.y, node.width, node.height);
},
setChildrenDirection: function (node, direction, includeStart) {
var rootDirection = node.treeDirection;
this.graph.depthFirstTraversal(node, function (n) {
n.treeDirection = direction;
});
if (!includeStart) {
node.treeDirection = rootDirection;
}
},
setChildrenLayout: function (node, layout, includeStart, startFromLevel) {
if (Utils.isUndefined(startFromLevel)) {
startFromLevel = 0;
}
var rootLayout = node.childrenLayout;
if (startFromLevel > 0) {
this.graph.assignLevels(node);
this.graph.depthFirstTraversal(node, function (s) {
if (s.level >= startFromLevel + 1) {
s.childrenLayout = layout;
}
});
} else {
this.graph.depthFirstTraversal(node, function (s) {
s.childrenLayout = layout;
});
if (!includeStart) {
node.childrenLayout = rootLayout;
}
}
},
measure: function (node, givenSize) {
var w = 0, h = 0, s;
var result = new Size(0, 0);
if (!node) {
throw '';
}
var b = node.associatedShape.bounds();
var shapeWidth = b.width;
var shapeHeight = b.height;
if (node.parents.length !== 1) {
throw 'Node not in a spanning tree.';
}
var parent = node.parents[0];
if (node.treeDirection === 'Undefined') {
node.treeDirection = parent.treeDirection;
}
if (Utils.isEmpty(node.children)) {
result = new Size(Math.abs(shapeWidth) < EPSILON ? 50 : shapeWidth, Math.abs(shapeHeight) < EPSILON ? 25 : shapeHeight);
} else if (node.children.length === 1) {
switch (node.treeDirection) {
case 'Radial':
s = this.measure(node.children[0], givenSize);
w = shapeWidth + this.options.radialSeparation * Math.cos(node.AngleToParent) + s.width;
h = shapeHeight + Math.abs(this.options.radialSeparation * Math.sin(node.AngleToParent)) + s.height;
break;
case 'Left':
case 'Right':
switch (node.childrenLayout) {
case 'TopAlignedWithParent':
break;
case 'BottomAlignedWithParent':
break;
case 'Underneath':
s = this.measure(node.children[0], givenSize);
w = shapeWidth + s.width + this.options.underneathHorizontalOffset;
h = shapeHeight + this.options.underneathVerticalTopOffset + s.height;
break;
case 'Default':
s = this.measure(node.children[0], givenSize);
w = shapeWidth + this.options.horizontalSeparation + s.width;
h = Math.max(shapeHeight, s.height);
break;
default:
throw 'Unhandled TreeDirection in the Radial layout measuring.';
}
break;
case 'Up':
case 'Down':
switch (node.childrenLayout) {
case 'TopAlignedWithParent':
case 'BottomAlignedWithParent':
break;
case 'Underneath':
s = this.measure(node.children[0], givenSize);
w = Math.max(shapeWidth, s.width + this.options.underneathHorizontalOffset);
h = shapeHeight + this.options.underneathVerticalTopOffset + s.height;
break;
case 'Default':
s = this.measure(node.children[0], givenSize);
h = shapeHeight + this.options.verticalSeparation + s.height;
w = Math.max(shapeWidth, s.width);
break;
default:
throw 'Unhandled TreeDirection in the Down layout measuring.';
}
break;
default:
throw 'Unhandled TreeDirection in the layout measuring.';
}
result = new Size(w, h);
} else {
var i, childNode;
switch (node.treeDirection) {
case 'Left':
case 'Right':
switch (node.childrenLayout) {
case 'TopAlignedWithParent':
case 'BottomAlignedWithParent':
break;
case 'Underneath':
w = shapeWidth;
h = shapeHeight + this.options.underneathVerticalTopOffset;
for (i = 0; i < node.children.length; i++) {
childNode = node.children[i];
s = this.measure(childNode, givenSize);
w = Math.max(w, s.width + this.options.underneathHorizontalOffset);
h += s.height + this.options.underneathVerticalSeparation;
}
h -= this.options.underneathVerticalSeparation;
break;
case 'Default':
w = shapeWidth;
h = 0;
for (i = 0; i < node.children.length; i++) {
childNode = node.children[i];
s = this.measure(childNode, givenSize);
w = Math.max(w, shapeWidth + this.options.horizontalSeparation + s.width);
h += s.height + this.options.verticalSeparation;
}
h -= this.options.verticalSeparation;
break;
default:
throw 'Unhandled TreeDirection in the Right layout measuring.';
}
break;
case 'Up':
case 'Down':
switch (node.childrenLayout) {
case 'TopAlignedWithParent':
case 'BottomAlignedWithParent':
break;
case 'Underneath':
w = shapeWidth;
h = shapeHeight + this.options.underneathVerticalTopOffset;
for (i = 0; i < node.children.length; i++) {
childNode = node.children[i];
s = this.measure(childNode, givenSize);
w = Math.max(w, s.width + this.options.underneathHorizontalOffset);
h += s.height + this.options.underneathVerticalSeparation;
}
h -= this.options.underneathVerticalSeparation;
break;
case 'Default':
w = 0;
h = 0;
for (i = 0; i < node.children.length; i++) {
childNode = node.children[i];
s = this.measure(childNode, givenSize);
w += s.width + this.options.horizontalSeparation;
h = Math.max(h, s.height + this.options.verticalSeparation + shapeHeight);
}
w -= this.options.horizontalSeparation;
break;
default:
throw 'Unhandled TreeDirection in the Down layout measuring.';
}
break;
default:
throw 'Unhandled TreeDirection in the layout measuring.';
}
result = new Size(w, h);
}
node.SectorAngle = Math.sqrt(w * w / 4 + h * h / 4);
node.Size = result;
return result;
},
arrange: function (n, p) {
var i, pp, child, node, childrenwidth, b = n.associatedShape.bounds();
var shapeWidth = b.width;
var shapeHeight = b.height;
if (Utils.isEmpty(n.children)) {
n.x = p.x;
n.y = p.y;
n.BoundingRectangle = new Rect(p.x, p.y, shapeWidth, shapeHeight);
} else {
var x, y;
var selfLocation;
switch (n.treeDirection) {
case 'Left':
switch (n.childrenLayout) {
case 'TopAlignedWithParent':
case 'BottomAlignedWithParent':
break;
case 'Underneath':
selfLocation = p;
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
y = p.y + shapeHeight + this.options.underneathVerticalTopOffset;
for (i = 0; i < node.children.length; i++) {
node = node.children[i];
x = selfLocation.x - node.associatedShape.width - this.options.underneathHorizontalOffset;
pp = new Point(x, y);
this.arrange(node, pp);
y += node.Size.height + this.options.underneathVerticalSeparation;
}
break;
case 'Default':
selfLocation = new Point(p.x + n.Size.width - shapeWidth, p.y + (n.Size.height - shapeHeight) / 2);
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
x = selfLocation.x - this.options.horizontalSeparation;
y = p.y;
for (i = 0; i < n.children.length; i++) {
node = n.children[i];
pp = new Point(x - node.Size.width, y);
this.arrange(node, pp);
y += node.Size.height + this.options.verticalSeparation;
}
break;
default:
throw 'Unsupported TreeDirection';
}
break;
case 'Right':
switch (n.childrenLayout) {
case 'TopAlignedWithParent':
case 'BottomAlignedWithParent':
break;
case 'Underneath':
selfLocation = p;
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
x = p.x + shapeWidth + this.options.underneathHorizontalOffset;
y = p.y + shapeHeight + this.options.underneathVerticalTopOffset;
for (i = 0; i < n.children.length; i++) {
node = n.children[i];
pp = new Point(x, y);
this.arrange(node, pp);
y += node.Size.height + this.options.underneathVerticalSeparation;
}
break;
case 'Default':
selfLocation = new Point(p.x, p.y + (n.Size.height - shapeHeight) / 2);
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
x = p.x + shapeWidth + this.options.horizontalSeparation;
y = p.y;
for (i = 0; i < n.children.length; i++) {
node = n.children[i];
pp = new Point(x, y);
this.arrange(node, pp);
y += node.Size.height + this.options.verticalSeparation;
}
break;
default:
throw 'Unsupported TreeDirection';
}
break;
case 'Up':
selfLocation = new Point(p.x + (n.Size.width - shapeWidth) / 2, p.y + n.Size.height - shapeHeight);
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
if (Math.abs(selfLocation.x - p.x) < EPSILON) {
childrenwidth = 0;
for (i = 0; i < n.children.length; i++) {
child = n.children[i];
childrenwidth += child.Size.width + this.options.horizontalSeparation;
}
childrenwidth -= this.options.horizontalSeparation;
x = p.x + (shapeWidth - childrenwidth) / 2;
} else {
x = p.x;
}
for (i = 0; i < n.children.length; i++) {
node = n.children[i];
y = selfLocation.y - this.options.verticalSeparation - node.Size.height;
pp = new Point(x, y);
this.arrange(node, pp);
x += node.Size.width + this.options.horizontalSeparation;
}
break;
case 'Down':
switch (n.childrenLayout) {
case 'TopAlignedWithParent':
case 'BottomAlignedWithParent':
break;
case 'Underneath':
selfLocation = p;
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
x = p.x + this.options.underneathHorizontalOffset;
y = p.y + shapeHeight + this.options.underneathVerticalTopOffset;
for (i = 0; i < n.children.length; i++) {
node = n.children[i];
pp = new Point(x, y);
this.arrange(node, pp);
y += node.Size.height + this.options.underneathVerticalSeparation;
}
break;
case 'Default':
selfLocation = new Point(p.x + (n.Size.width - shapeWidth) / 2, p.y);
n.x = selfLocation.x;
n.y = selfLocation.y;
n.BoundingRectangle = new Rect(n.x, n.y, n.width, n.height);
if (Math.abs(selfLocation.x - p.x) < EPSILON) {
childrenwidth = 0;
for (i = 0; i < n.children.length; i++) {
child = n.children[i];
childrenwidth += child.Size.width + this.options.horizontalSeparation;
}
childrenwidth -= this.options.horizontalSeparation;
x = p.x + (shapeWidth - childrenwidth) / 2;
} else {
x = p.x;
}
for (i = 0; i < n.children.length; i++) {
node = n.children[i];
y = selfLocation.y + this.options.verticalSeparation + shapeHeight;
pp = new Point(x, y);
this.arrange(node, pp);
x += node.Size.width + this.options.horizontalSeparation;
}
break;
default:
throw 'Unsupported TreeDirection';
}
break;
case 'None':
break;
default:
throw 'Unsupported TreeDirection';
}
}
},
layoutSwitch: function () {
if (!this.center) {
return;
}
if (Utils.isEmpty(this.center.children)) {
return;
}
var type = this.options.subtype;
if (Utils.isUndefined(type)) {
type = 'Down';
}
var single, male, female, leftcount;
var children = this.center.children;
switch (type.toLowerCase()) {
case 'radial':
case 'radialtree':
this.layoutRadialTree();
break;
case 'mindmaphorizontal':
case 'mindmap':
single = this.center.children;
if (this.center.children.length === 1) {
this.layoutRight(single);
} else {
leftcount = children.length / 2;
male = grep(this.center.children, function (n) {
return Utils.indexOf(children, n) < leftcount;
});
female = grep(this.center.children, function (n) {
return Utils.indexOf(children, n) >= leftcount;
});
this.layoutLeft(male);
this.layoutRight(female);
}
break;
case 'mindmapvertical':
single = this.center.children;
if (this.center.children.length === 1) {
this.layoutDown(single);
} else {
leftcount = children.length / 2;
male = grep(this.center.children, function (n) {
return Utils.indexOf(children, n) < leftcount;
});
female = grep(this.center.children, function (n) {
return Utils.indexOf(children, n) >= leftcount;
});
this.layoutUp(male);
this.layoutDown(female);
}
break;
case 'right':
this.layoutRight(this.center.children);
break;
case 'left':
this.layoutLeft(this.center.children);
break;
case 'up':
case 'bottom':
this.layoutUp(this.center.children);
break;
case 'down':
case 'top':
this.layoutDown(this.center.children);
break;
case 'tipover':
case 'tipovertree':
if (this.options.tipOverTreeStartLevel < 0) {
throw 'The tip-over level should be a positive integer.';
}
this.tipOverTree(this.center.children, this.options.tipOverTreeStartLevel);
break;
case 'undefined':
case 'none':
break;
}
}
});
var TreeLayout = LayoutBase.extend({
init: function (diagram) {
var that = this;
LayoutBase.fn.init.call(that);
if (Utils.isUndefined(diagram)) {
throw 'No diagram specified.';
}
this.diagram = diagram;
},
layout: function (options) {
this.transferOptions(options);
var adapter = new DiagramToHyperTreeAdapter(this.diagram);
this.graph = adapter.convert();
var finalNodeSet = this.layoutComponents();
return new diagram.LayoutState(this.diagram, finalNodeSet);
},
layoutComponents: function () {
if (this.graph.isEmpty()) {
return;
}
var components = this.graph.getConnectedComponents();
if (Utils.isEmpty(components)) {
return;
}
var layout = new TreeLayoutProcessor(this.options);
var trees = [];
for (var i = 0; i < components.length; i++) {
var component = components[i];
var treeGraph = this.getTree(component);
if (!treeGraph) {
throw 'Failed to find a spanning tree for the component.';
}
var root = treeGraph.root;
var tree = treeGraph.tree;
layout.layout(tree, root);
trees.push(tree);
}
return this.gridLayoutComponents(trees);
},
getTree: function (graph) {
var root = null;
if (this.options.roots && this.options.roots.length > 0) {
for (var i = 0, len = graph.nodes.length; i < len; i++) {
var node = graph.nodes[i];
for (var j = 0; j < this.options.roots.length; j++) {
var givenRootShape = this.options.roots[j];
if (givenRootShape === node.associatedShape) {
root = node;
break;
}
}
}
}
if (!root) {
root = graph.root();
if (!root) {
throw 'Unable to find a root for the tree.';
}
}
return this.getTreeForRoot(graph, root);
},
getTreeForRoot: function (graph, root) {
var tree = graph.getSpanningTree(root);
if (Utils.isUndefined(tree) || tree.isEmpty()) {
return null;
}
return {
tree: tree,
root: tree.root
};
}
});
var LayeredLayout = LayoutBase.extend({
init: function (diagram) {
var that = this;
LayoutBase.fn.init.call(that);
if (Utils.isUndefined(diagram)) {
throw 'Diagram is not specified.';
}
this.diagram = diagram;
},
layout: function (options) {
this.transferOptions(options);
var adapter = new DiagramToHyperTreeAdapter(this.diagram);
var graph = adapter.convert(options);
if (graph.isEmpty()) {
return;
}
var components = graph.getConnectedComponents();
if (Utils.isEmpty(components)) {
return;
}
for (var i = 0; i < components.length; i++) {
var component = components[i];
this.layoutGraph(component, options);
}
var finalNodeSet = this.gridLayoutComponents(components);
return new diagram.LayoutState(this.diagram, finalNodeSet);
},
_initRuntimeProperties: function () {
for (var k = 0; k < this.graph.nodes.length; k++) {
var node = this.graph.nodes[k];
node.layer = -1;
node.downstreamLinkCount = 0;
node.upstreamLinkCount = 0;
node.isVirtual = false;
node.uBaryCenter = 0;
node.dBaryCenter = 0;
node.upstreamPriority = 0;
node.downstreamPriority = 0;
node.gridPosition = 0;
}
},
_prepare: function (graph) {
var current = [], i, l, link;
var layerMap = new Dictionary();
var layerCount = 0;
var targetLayer, next, target;
Utils.forEach(graph.nodes, function (node) {
if (node.incoming.length === 0) {
layerMap.set(node, 0);
current.push(node);
}
});
while (current.length > 0) {
next = current.shift();
for (i = 0; i < next.outgoing.length; i++) {
link = next.outgoing[i];
target = link.target;
if (layerMap.containsKey(target)) {
targetLayer = Math.max(layerMap.get(next) + 1, layerMap.get(target));
} else {
targetLayer = layerMap.get(next) + 1;
}
layerMap.set(target, targetLayer);
if (targetLayer > layerCount) {
layerCount = targetLayer;
}
if (!contains(current, target)) {
current.push(target);
}
}
}
var sortedNodes = layerMap.keys();
sortedNodes.sort(function (o1, o2) {
var o1layer = layerMap.get(o1);
var o2layer = layerMap.get(o2);
return Utils.sign(o2layer - o1layer);
});
for (var n = 0; n < sortedNodes.length; ++n) {
var node = sortedNodes[n];
var minLayer = Number.MAX_VALUE;
if (node.outgoing.length === 0) {
continue;
}
for (l = 0; l < node.outgoing.length; ++l) {
link = node.outgoing[l];
minLayer = Math.min(minLayer, layerMap.get(link.target));
}
if (minLayer > 1) {
layerMap.set(node, minLayer - 1);
}
}
this.layers = [];
var layer;
for (i = 0; i < layerCount + 1; i++) {
layer = [];
layer.linksTo = {};
this.layers.push(layer);
}
layerMap.forEach(function (node, layer) {
node.layer = layer;
this.layers[layer].push(node);
}, this);
for (l = 0; l < this.layers.length; l++) {
layer = this.layers[l];
for (i = 0; i < layer.length; i++) {
layer[i].gridPosition = i;
}
}
},
layoutGraph: function (graph, options) {
if (Utils.isUndefined(graph)) {
throw 'No graph given or graph analysis of the diagram failed.';
}
if (Utils.isDefined(options)) {
this.transferOptions(options);
}
this.graph = graph;
graph.setItemIndices();
var reversedEdges = graph.makeAcyclic();
this._initRuntimeProperties();
this._prepare(graph, options);
this._dummify();
this._optimizeCrossings();
this._swapPairs();
this.arrangeNodes();
this._moveThingsAround();
this._dedummify();
Utils.forEach(reversedEdges, function (e) {
if (e.points) {
e.points.reverse();
}
});
},
setMinDist: function (m, n, minDist) {
var l = m.layer;
var i = m.layerIndex;
this.minDistances[l][i] = minDist;
},
getMinDist: function (m, n) {
var dist = 0, i1 = m.layerIndex, i2 = n.layerIndex, l = m.layer, min = Math.min(i1, i2), max = Math.max(i1, i2);
for (var k = min; k < max; ++k) {
dist += this.minDistances[l][k];
}
return dist;
},
placeLeftToRight: function (leftClasses) {
var leftPos = new Dictionary(), n, node;
for (var c = 0; c < this.layers.length; ++c) {
var classNodes = leftClasses[c];
if (!classNodes) {
continue;
}
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
if (!leftPos.containsKey(node)) {
this.placeLeft(node, leftPos, c);
}
}
var d = Number.POSITIVE_INFINITY;
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
var rightSibling = this.rightSibling(node);
if (rightSibling && this.nodeLeftClass.get(rightSibling) !== c) {
d = Math.min(d, leftPos.get(rightSibling) - leftPos.get(node) - this.getMinDist(node, rightSibling));
}
}
if (d === Number.POSITIVE_INFINITY) {
var D = [];
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
var neighbors = [];
Utils.addRange(neighbors, this.upNodes.get(node));
Utils.addRange(neighbors, this.downNodes.get(node));
for (var e = 0; e < neighbors.length; e++) {
var neighbor = neighbors[e];
if (this.nodeLeftClass.get(neighbor) < c) {
D.push(leftPos.get(neighbor) - leftPos.get(node));
}
}
}
D.sort();
if (D.length === 0) {
d = 0;
} else if (D.length % 2 === 1) {
d = D[this.intDiv(D.length, 2)];
} else {
d = (D[this.intDiv(D.length, 2) - 1] + D[this.intDiv(D.length, 2)]) / 2;
}
}
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
leftPos.set(node, leftPos.get(node) + d);
}
}
return leftPos;
},
placeRightToLeft: function (rightClasses) {
var rightPos = new Dictionary(), n, node;
for (var c = 0; c < this.layers.length; ++c) {
var classNodes = rightClasses[c];
if (!classNodes) {
continue;
}
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
if (!rightPos.containsKey(node)) {
this.placeRight(node, rightPos, c);
}
}
var d = Number.NEGATIVE_INFINITY;
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
var leftSibling = this.leftSibling(node);
if (leftSibling && this.nodeRightClass.get(leftSibling) !== c) {
d = Math.max(d, rightPos.get(leftSibling) - rightPos.get(node) + this.getMinDist(leftSibling, node));
}
}
if (d === Number.NEGATIVE_INFINITY) {
var D = [];
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
var neighbors = [];
Utils.addRange(neighbors, this.upNodes.get(node));
Utils.addRange(neighbors, this.downNodes.get(node));
for (var e = 0; e < neighbors.length; e++) {
var neighbor = neighbors[e];
if (this.nodeRightClass.get(neighbor) < c) {
D.push(rightPos.get(node) - rightPos.get(neighbor));
}
}
}
D.sort();
if (D.length === 0) {
d = 0;
} else if (D.length % 2 === 1) {
d = D[this.intDiv(D.length, 2)];
} else {
d = (D[this.intDiv(D.length, 2) - 1] + D[this.intDiv(D.length, 2)]) / 2;
}
}
for (n = 0; n < classNodes.length; n++) {
node = classNodes[n];
rightPos.set(node, rightPos.get(node) + d);
}
}
return rightPos;
},
_getLeftWing: function () {
var leftWing = { value: null };
var result = this.computeClasses(leftWing, 1);
this.nodeLeftClass = leftWing.value;
return result;
},
_getRightWing: function () {
var rightWing = { value: null };
var result = this.computeClasses(rightWing, -1);
this.nodeRightClass = rightWing.value;
return result;
},
computeClasses: function (wingPair, d) {
var currentWing = 0, wing = wingPair.value = new Dictionary();
for (var l = 0; l < this.layers.length; ++l) {
currentWing = l;
var layer = this.layers[l];
for (var n = d === 1 ? 0 : layer.length - 1; 0 <= n && n < layer.length; n += d) {
var node = layer[n];
if (!wing.containsKey(node)) {
wing.set(node, currentWing);
if (node.isVirtual) {
var ndsinl = this._nodesInLink(node);
for (var kk = 0; kk < ndsinl.length; kk++) {
var vnode = ndsinl[kk];
wing.set(vnode, currentWing);
}
}
} else {
currentWing = wing.get(node);
}
}
}
var wings = [];
for (var i = 0; i < this.layers.length; i++) {
wings.push(null);
}
wing.forEach(function (node, classIndex) {
if (wings[classIndex] === null) {
wings[classIndex] = [];
}
wings[classIndex].push(node);
});
return wings;
},
_isVerticalLayout: function () {
return this.options.subtype.toLowerCase() === 'up' || this.options.subtype.toLowerCase() === 'down' || this.options.subtype.toLowerCase() === 'vertical';
},
_isHorizontalLayout: function () {
return this.options.subtype.toLowerCase() === 'right' || this.options.subtype.toLowerCase() === 'left' || this.options.subtype.toLowerCase() === 'horizontal';
},
_isIncreasingLayout: function () {
return this.options.subtype.toLowerCase() === 'right' || this.options.subtype.toLowerCase() === 'down';
},
_moveThingsAround: function () {
var i, l, node, layer, n, w;
for (l = 0; l < this.layers.length; ++l) {
layer = this.layers[l];
layer.sort(this._gridPositionComparer);
}
this.minDistances = [];
for (l = 0; l < this.layers.length; ++l) {
layer = this.layers[l];
this.minDistances[l] = [];
for (n = 0; n < layer.length; ++n) {
node = layer[n];
node.layerIndex = n;
this.minDistances[l][n] = this.options.nodeDistance;
if (n < layer.length - 1) {
if (this._isVerticalLayout()) {
this.minDistances[l][n] += (node.width + layer[n + 1].width) / 2;
} else {
this.minDistances[l][n] += (node.height + layer[n + 1].height) / 2;
}
}
}
}
this.downNodes = new Dictionary();
this.upNodes = new Dictionary();
Utils.forEach(this.graph.nodes, function (node) {
this.downNodes.set(node, []);
this.upNodes.set(node, []);
}, this);
Utils.forEach(this.graph.links, function (link) {
var origin = link.source;
var dest = link.target;
var down = null, up = null;
if (origin.layer > dest.layer) {
down = link.source;
up = link.target;
} else {
up = link.source;
down = link.target;
}
this.downNodes.get(up).push(down);
this.upNodes.get(down).push(up);
}, this);
this.downNodes.forEachValue(function (list) {
list.sort(this._gridPositionComparer);
}, this);
this.upNodes.forEachValue(function (list) {
list.sort(this._gridPositionComparer);
}, this);
for (l = 0; l < this.layers.length - 1; ++l) {
layer = this.layers[l];
for (w = 0; w < layer.length - 1; w++) {
var currentNode = layer[w];
if (!currentNode.isVirtual) {
continue;
}
var currDown = this.downNodes.get(currentNode)[0];
if (!currDown.isVirtual) {
continue;
}
for (n = w + 1; n < layer.length; ++n) {
node = layer[n];
if (!node.isVirtual) {
continue;
}
var downNode = this.downNodes.get(node)[0];
if (!downNode.isVirtual) {
continue;
}
if (currDown.gridPosition > downNode.gridPosition) {
var pos = currDown.gridPosition;
currDown.gridPosition = downNode.gridPosition;
downNode.gridPosition = pos;
var i1 = currDown.layerIndex;
var i2 = downNode.layerIndex;
this.layers[l + 1][i1] = downNode;
this.layers[l + 1][i2] = currDown;
currDown.layerIndex = i2;
downNode.layerIndex = i1;
}
}
}
}
var leftClasses = this._getLeftWing();
var rightClasses = this._getRightWing();
var leftPos = this.placeLeftToRight(leftClasses);
var rightPos = this.placeRightToLeft(rightClasses);
var x = new Dictionary();
Utils.forEach(this.graph.nodes, function (node) {
x.set(node, (leftPos.get(node) + rightPos.get(node)) / 2);
});
var order = new Dictionary();
var placed = new Dictionary();
for (l = 0; l < this.layers.length; ++l) {
layer = this.layers[l];
var sequenceStart = -1, sequenceEnd = -1;
for (n = 0; n < layer.length; ++n) {
node = layer[n];
order.set(node, 0);
placed.set(node, false);
if (node.isVirtual) {
if (sequenceStart === -1) {
sequenceStart = n;
} else if (sequenceStart === n - 1) {
sequenceStart = n;
} else {
sequenceEnd = n;
order.set(layer[sequenceStart], 0);
if (x.get(node) - x.get(layer[sequenceStart]) === this.getMinDist(layer[sequenceStart], node)) {
placed.set(layer[sequenceStart], true);
} else {
placed.set(layer[sequenceStart], false);
}
sequenceStart = n;
}
}
}
}
var directions = [
1,
-1
];
Utils.forEach(directions, function (d) {
var start = d === 1 ? 0 : this.layers.length - 1;
for (var l = start; 0 <= l && l < this.layers.length; l += d) {
var layer = this.layers[l];
var virtualStartIndex = this._firstVirtualNode(layer);
var virtualStart = null;
var sequence = null;
if (virtualStartIndex !== -1) {
virtualStart = layer[virtualStartIndex];
sequence = [];
for (i = 0; i < virtualStartIndex; i++) {
sequence.push(layer[i]);
}
} else {
virtualStart = null;
sequence = layer;
}
if (sequence.length > 0) {
this._sequencer(x, null, virtualStart, d, sequence);
for (i = 0; i < sequence.length - 1; ++i) {
this.setMinDist(sequence[i], sequence[i + 1], x.get(sequence[i + 1]) - x.get(sequence[i]));
}
if (virtualStart) {
this.setMinDist(sequence[sequence.length - 1], virtualStart, x.get(virtualStart) - x.get(sequence[sequence.length - 1]));
}
}
while (virtualStart) {
var virtualEnd = this.nextVirtualNode(layer, virtualStart);
if (!virtualEnd) {
virtualStartIndex = virtualStart.layerIndex;
sequence = [];
for (i = virtualStartIndex + 1; i < layer.length; i++) {
sequence.push(layer[i]);
}
if (sequence.length > 0) {
this._sequencer(x, virtualStart, null, d, sequence);
for (i = 0; i < sequence.length - 1; ++i) {
this.setMinDist(sequence[i], sequence[i + 1], x.get(sequence[i + 1]) - x.get(sequence[i]));
}
this.setMinDist(virtualStart, sequence[0], x.get(sequence[0]) - x.get(virtualStart));
}
} else if (order.get(virtualStart) === d) {
virtualStartIndex = virtualStart.layerIndex;
var virtualEndIndex = virtualEnd.layerIndex;
sequence = [];
for (i = virtualStartIndex + 1; i < virtualEndIndex; i++) {
sequence.push(layer[i]);
}
if (sequence.length > 0) {
this._sequencer(x, virtualStart, virtualEnd, d, sequence);
}
placed.set(virtualStart, true);
}
virtualStart = virtualEnd;
}
this.adjustDirections(l, d, order, placed);
}
}, this);
var fromLayerIndex = this._isIncreasingLayout() ? 0 : this.layers.length - 1;
var reachedFinalLayerIndex = function (k, ctx) {
if (ctx._isIncreasingLayout()) {
return k < ctx.layers.length;
} else {
return k >= 0;
}
};
var layerIncrement = this._isIncreasingLayout() ? +1 : -1, offset = 0;
function maximumHeight(layer, ctx) {
var height = Number.MIN_VALUE;
for (var n = 0; n < layer.length; ++n) {
var node = layer[n];
if (ctx._isVerticalLayout()) {
height = Math.max(height, node.height);
} else {
height = Math.max(height, node.width);
}
}
return height;
}
for (i = fromLayerIndex; reachedFinalLayerIndex(i, this); i += layerIncrement) {
layer = this.layers[i];
var height = maximumHeight(layer, this);
for (n = 0; n < layer.length; ++n) {
node = layer[n];
if (this._isVerticalLayout()) {
node.x = x.get(node);
node.y = offset + height / 2;
} else {
node.x = offset + height / 2;
node.y = x.get(node);
}
}
offset += this.options.layerSeparation + height;
}
},
adjustDirections: function (l, d, order, placed) {
if (l + d < 0 || l + d >= this.layers.length) {
return;
}
var prevBridge = null, prevBridgeTarget = null;
var layer = this.layers[l + d];
for (var n = 0; n < layer.length; ++n) {
var nextBridge = layer[n];
if (nextBridge.isVirtual) {
var nextBridgeTarget = this.getNeighborOnLayer(nextBridge, l);
if (nextBridgeTarget.isVirtual) {
if (prevBridge) {
var p = placed.get(prevBridgeTarget);
var clayer = this.layers[l];
var i1 = prevBridgeTarget.layerIndex;
var i2 = nextBridgeTarget.layerIndex;
for (var i = i1 + 1; i < i2; ++i) {
if (clayer[i].isVirtual) {
p = p && placed.get(clayer[i]);
}
}
if (p) {
order.set(prevBridge, d);
var j1 = prevBridge.layerIndex;
var j2 = nextBridge.layerIndex;
for (var j = j1 + 1; j < j2; ++j) {
if (layer[j].isVirtual) {
order.set(layer[j], d);
}
}
}
}
prevBridge = nextBridge;
prevBridgeTarget = nextBridgeTarget;
}
}
}
},
getNeighborOnLayer: function (node, l) {
var neighbor = this.upNodes.get(node)[0];
if (neighbor.layer === l) {
return neighbor;
}
neighbor = this.downNodes.get(node)[0];
if (neighbor.layer === l) {
return neighbor;
}
return null;
},
_sequencer: function (x, virtualStart, virtualEnd, dir, sequence) {
if (sequence.length === 1) {
this._sequenceSingle(x, virtualStart, virtualEnd, dir, sequence[0]);
}
if (sequence.length > 1) {
var r = sequence.length, t = this.intDiv(r, 2);
this._sequencer(x, virtualStart, virtualEnd, dir, sequence.slice(0, t));
this._sequencer(x, virtualStart, virtualEnd, dir, sequence.slice(t));
this.combineSequences(x, virtualStart, virtualEnd, dir, sequence);
}
},
_sequenceSingle: function (x, virtualStart, virtualEnd, dir, node) {
var neighbors = dir === -1 ? this.downNodes.get(node) : this.upNodes.get(node);
var n = neighbors.length;
if (n !== 0) {
if (n % 2 === 1) {
x.set(node, x.get(neighbors[this.intDiv(n, 2)]));
} else {
x.set(node, (x.get(neighbors[this.intDiv(n, 2) - 1]) + x.get(neighbors[this.intDiv(n, 2)])) / 2);
}
if (virtualStart) {
x.set(node, Math.max(x.get(node), x.get(virtualStart) + this.getMinDist(virtualStart, node)));
}
if (virtualEnd) {
x.set(node, Math.min(x.get(node), x.get(virtualEnd) - this.getMinDist(node, virtualEnd)));
}
}
},
combineSequences: function (x, virtualStart, virtualEnd, dir, sequence) {
var r = sequence.length, t = this.intDiv(r, 2);
var leftHeap = [], i, c, n, neighbors, neighbor, pair;
for (i = 0; i < t; ++i) {
c = 0;
neighbors = dir === -1 ? this.downNodes.get(sequence[i]) : this.upNodes.get(sequence[i]);
for (n = 0; n < neighbors.length; ++n) {
neighbor = neighbors[n];
if (x.get(neighbor) >= x.get(sequence[i])) {
c++;
} else {
c--;
leftHeap.push({
k: x.get(neighbor) + this.getMinDist(sequence[i], sequence[t - 1]),
v: 2
});
}
}
leftHeap.push({
k: x.get(sequence[i]) + this.getMinDist(sequence[i], sequence[t - 1]),
v: c
});
}
if (virtualStart) {
leftHeap.push({
k: x.get(virtualStart) + this.getMinDist(virtualStart, sequence[t - 1]),
v: Number.MAX_VALUE
});
}
leftHeap.sort(this._positionDescendingComparer);
var rightHeap = [];
for (i = t; i < r; ++i) {
c = 0;
neighbors = dir === -1 ? this.downNodes.get(sequence[i]) : this.upNodes.get(sequence[i]);
for (n = 0; n < neighbors.length; ++n) {
neighbor = neighbors[n];
if (x.get(neighbor) <= x.get(sequence[i])) {
c++;
} else {
c--;
rightHeap.push({
k: x.get(neighbor) - this.getMinDist(sequence[i], sequence[t]),
v: 2
});
}
}
rightHeap.push({
k: x.get(sequence[i]) - this.getMinDist(sequence[i], sequence[t]),
v: c
});
}
if (virtualEnd) {
rightHeap.push({
k: x.get(virtualEnd) - this.getMinDist(virtualEnd, sequence[t]),
v: Number.MAX_VALUE
});
}
rightHeap.sort(this._positionAscendingComparer);
var leftRes = 0, rightRes = 0;
var m = this.getMinDist(sequence[t - 1], sequence[t]);
while (x.get(sequence[t]) - x.get(sequence[t - 1]) < m) {
if (leftRes < rightRes) {
if (leftHeap.length === 0) {
x.set(sequence[t - 1], x.get(sequence[t]) - m);
break;
} else {
pair = leftHeap.shift();
leftRes = leftRes + pair.v;
x.set(sequence[t - 1], pair.k);
x.set(sequence[t - 1], Math.max(x.get(sequence[t - 1]), x.get(sequence[t]) - m));
}
} else {
if (rightHeap.length === 0) {
x.set(sequence[t], x.get(sequence[t - 1]) + m);
break;
} else {
pair = rightHeap.shift();
rightRes = rightRes + pair.v;
x.set(sequence[t], pair.k);
x.set(sequence[t], Math.min(x.get(sequence[t]), x.get(sequence[t - 1]) + m));
}
}
}
for (i = t - 2; i >= 0; i--) {
x.set(sequence[i], Math.min(x.get(sequence[i]), x.get(sequence[t - 1]) - this.getMinDist(sequence[i], sequence[t - 1])));
}
for (i = t + 1; i < r; i++) {
x.set(sequence[i], Math.max(x.get(sequence[i]), x.get(sequence[t]) + this.getMinDist(sequence[i], sequence[t])));
}
},
placeLeft: function (node, leftPos, leftClass) {
var pos = Number.NEGATIVE_INFINITY;
Utils.forEach(this._getComposite(node), function (v) {
var leftSibling = this.leftSibling(v);
if (leftSibling && this.nodeLeftClass.get(leftSibling) === this.nodeLeftClass.get(v)) {
if (!leftPos.containsKey(leftSibling)) {
this.placeLeft(leftSibling, leftPos, leftClass);
}
pos = Math.max(pos, leftPos.get(leftSibling) + this.getMinDist(leftSibling, v));
}
}, this);
if (pos === Number.NEGATIVE_INFINITY) {
pos = 0;
}
Utils.forEach(this._getComposite(node), function (v) {
leftPos.set(v, pos);
});
},
placeRight: function (node, rightPos, rightClass) {
var pos = Number.POSITIVE_INFINITY;
Utils.forEach(this._getComposite(node), function (v) {
var rightSibling = this.rightSibling(v);
if (rightSibling && this.nodeRightClass.get(rightSibling) === this.nodeRightClass.get(v)) {
if (!rightPos.containsKey(rightSibling)) {
this.placeRight(rightSibling, rightPos, rightClass);
}
pos = Math.min(pos, rightPos.get(rightSibling) - this.getMinDist(v, rightSibling));
}
}, this);
if (pos === Number.POSITIVE_INFINITY) {
pos = 0;
}
Utils.forEach(this._getComposite(node), function (v) {
rightPos.set(v, pos);
});
},
leftSibling: function (node) {
var layer = this.layers[node.layer], layerIndex = node.layerIndex;
return layerIndex === 0 ? null : layer[layerIndex - 1];
},
rightSibling: function (node) {
var layer = this.layers[node.layer];
var layerIndex = node.layerIndex;
return layerIndex === layer.length - 1 ? null : layer[layerIndex + 1];
},
_getComposite: function (node) {
return node.isVirtual ? this._nodesInLink(node) : [node];
},
arrangeNodes: function () {
var i, l, ni, layer, node;
for (l = 0; l < this.layers.length; l++) {
layer = this.layers[l];
for (ni = 0; ni < layer.length; ni++) {
node = layer[ni];
node.upstreamPriority = node.upstreamLinkCount;
node.downstreamPriority = node.downstreamLinkCount;
}
}
var maxLayoutIterations = 2;
for (var it = 0; it < maxLayoutIterations; it++) {
for (i = this.layers.length - 1; i >= 1; i--) {
this.layoutLayer(false, i);
}
for (i = 0; i < this.layers.length - 1; i++) {
this.layoutLayer(true, i);
}
}
var gridPos = Number.MAX_VALUE;
for (l = 0; l < this.layers.length; l++) {
layer = this.layers[l];
for (ni = 0; ni < layer.length; ni++) {
node = layer[ni];
gridPos = Math.min(gridPos, node.gridPosition);
}
}
if (gridPos < 0) {
for (l = 0; l < this.layers.length; l++) {
layer = this.layers[l];
for (ni = 0; ni < layer.length; ni++) {
node = layer[ni];
node.gridPosition = node.gridPosition - gridPos;
}
}
}
},
layoutLayer: function (down, layer) {
var iconsidered;
var considered;
if (down) {
considered = this.layers[iconsidered = layer + 1];
} else {
considered = this.layers[iconsidered = layer - 1];
}
var sorted = [];
for (var n = 0; n < considered.length; n++) {
sorted.push(considered[n]);
}
sorted.sort(function (n1, n2) {
var n1Priority = (n1.upstreamPriority + n1.downstreamPriority) / 2;
var n2Priority = (n2.upstreamPriority + n2.downstreamPriority) / 2;
if (Math.abs(n1Priority - n2Priority) < 0.0001) {
return 0;
}
if (n1Priority < n2Priority) {
return 1;
}
return -1;
});
Utils.forEach(sorted, function (node) {
var nodeGridPos = node.gridPosition;
var nodeBaryCenter = this.calcBaryCenter(node);
var nodePriority = (node.upstreamPriority + node.downstreamPriority) / 2;
if (Math.abs(nodeGridPos - nodeBaryCenter) < 0.0001) {
return;
}
if (Math.abs(nodeGridPos - nodeBaryCenter) < 0.25 + 0.0001) {
return;
}
if (nodeGridPos < nodeBaryCenter) {
while (nodeGridPos < nodeBaryCenter) {
if (!this.moveRight(node, considered, nodePriority)) {
break;
}
nodeGridPos = node.gridPosition;
}
} else {
while (nodeGridPos > nodeBaryCenter) {
if (!this.moveLeft(node, considered, nodePriority)) {
break;
}
nodeGridPos = node.gridPosition;
}
}
}, this);
if (iconsidered > 0) {
this.calcDownData(iconsidered - 1);
}
if (iconsidered < this.layers.length - 1) {
this.calcUpData(iconsidered + 1);
}
},
moveRight: function (node, layer, priority) {
var index = Utils.indexOf(layer, node);
if (index === layer.length - 1) {
node.gridPosition = node.gridPosition + 0.5;
return true;
}
var rightNode = layer[index + 1];
var rightNodePriority = (rightNode.upstreamPriority + rightNode.downstreamPriority) / 2;
if (rightNode.gridPosition > node.gridPosition + 1) {
node.gridPosition = node.gridPosition + 0.5;
return true;
}
if (rightNodePriority > priority || Math.abs(rightNodePriority - priority) < 0.0001) {
return false;
}
if (this.moveRight(rightNode, layer, priority)) {
node.gridPosition = node.gridPosition + 0.5;
return true;
}
return false;
},
moveLeft: function (node, layer, priority) {
var index = Utils.indexOf(layer, node);
if (index === 0) {
node.gridPosition = node.gridPosition - 0.5;
return true;
}
var leftNode = layer[index - 1];
var leftNodePriority = (leftNode.upstreamPriority + leftNode.downstreamPriority) / 2;
if (leftNode.gridPosition < node.gridPosition - 1) {
node.gridPosition = node.gridPosition - 0.5;
return true;
}
if (leftNodePriority > priority || Math.abs(leftNodePriority - priority) < 0.0001) {
return false;
}
if (this.moveLeft(leftNode, layer, priority)) {
node.gridPosition = node.gridPosition - 0.5;
return true;
}
return false;
},
mapVirtualNode: function (node, link) {
this.nodeToLinkMap.set(node, link);
if (!this.linkToNodeMap.containsKey(link)) {
this.linkToNodeMap.set(link, []);
}
this.linkToNodeMap.get(link).push(node);
},
_nodesInLink: function (node) {
return this.linkToNodeMap.get(this.nodeToLinkMap.get(node));
},
_dummify: function () {
this.linkToNodeMap = new Dictionary();
this.nodeToLinkMap = new Dictionary();
var layer, pos, newNode, node, r, newLink, i, l, links = this.graph.links.slice(0);
var layers = this.layers;
var addLinkBetweenLayers = function (upLayer, downLayer, link) {
layers[upLayer].linksTo[downLayer] = layers[upLayer].linksTo[downLayer] || [];
layers[upLayer].linksTo[downLayer].push(link);
};
for (l = 0; l < links.length; l++) {
var link = links[l];
var o = link.source;
var d = link.target;
var oLayer = o.layer;
var dLayer = d.layer;
var oPos = o.gridPosition;
var dPos = d.gridPosition;
var step = (dPos - oPos) / Math.abs(dLayer - oLayer);
var p = o;
if (oLayer - dLayer > 1) {
for (i = oLayer - 1; i > dLayer; i--) {
newNode = new Node();
newNode.x = o.x;
newNode.y = o.y;
newNode.width = o.width / 100;
newNode.height = o.height / 100;
layer = layers[i];
pos = (i - dLayer) * step + oPos;
if (pos > layer.length) {
pos = layer.length;
}
if (oPos >= layers[oLayer].length - 1 && dPos >= layers[dLayer].length - 1) {
pos = layer.length;
} else if (oPos === 0 && dPos === 0) {
pos = 0;
}
newNode.layer = i;
newNode.uBaryCenter = 0;
newNode.dBaryCenter = 0;
newNode.upstreamLinkCount = 0;
newNode.downstreamLinkCount = 0;
newNode.gridPosition = pos;
newNode.isVirtual = true;
Utils.insert(layer, newNode, pos);
for (r = pos + 1; r < layer.length; r++) {
node = layer[r];
node.gridPosition = node.gridPosition + 1;
}
newLink = new Link(p, newNode);
newLink.depthOfDumminess = 0;
addLinkBetweenLayers(i - 1, i, newLink);
p = newNode;
this.graph._addNode(newNode);
this.graph.addLink(newLink);
newNode.index = this.graph.nodes.length - 1;
this.mapVirtualNode(newNode, link);
}
addLinkBetweenLayers(dLayer - 1, dLayer, newLink);
link.changeSource(p);
link.depthOfDumminess = oLayer - dLayer - 1;
} else if (oLayer - dLayer < -1) {
for (i = oLayer + 1; i < dLayer; i++) {
newNode = new Node();
newNode.x = o.x;
newNode.y = o.y;
newNode.width = o.width / 100;
newNode.height = o.height / 100;
layer = layers[i];
pos = (i - oLayer) * step + oPos;
if (pos > layer.length) {
pos = layer.length;
}
if (oPos >= layers[oLayer].length - 1 && dPos >= layers[dLayer].length - 1) {
pos = layer.length;
} else if (oPos === 0 && dPos === 0) {
pos = 0;
}
newNode.layer = i;
newNode.uBaryCenter = 0;
newNode.dBaryCenter = 0;
newNode.upstreamLinkCount = 0;
newNode.downstreamLinkCount = 0;
newNode.gridPosition = pos;
newNode.isVirtual = true;
pos &= pos;
Utils.insert(layer, newNode, pos);
for (r = pos + 1; r < layer.length; r++) {
node = layer[r];
node.gridPosition = node.gridPosition + 1;
}
newLink = new Link(p, newNode);
newLink.depthOfDumminess = 0;
addLinkBetweenLayers(i - 1, i, newLink);
p = newNode;
this.graph._addNode(newNode);
this.graph.addLink(newLink);
newNode.index = this.graph.nodes.length - 1;
this.mapVirtualNode(newNode, link);
}
addLinkBetweenLayers(dLayer - 1, dLayer, link);
link.changeSource(p);
link.depthOfDumminess = dLayer - oLayer - 1;
} else {
addLinkBetweenLayers(oLayer, dLayer, link);
}
}
},
_dedummify: function () {
var dedum = true;
while (dedum) {
dedum = false;
for (var l = 0; l < this.graph.links.length; l++) {
var link = this.graph.links[l];
if (!link.depthOfDumminess) {
continue;
}
var points = [];
points.unshift({
x: link.target.x,
y: link.target.y
});
points.unshift({
x: link.source.x,
y: link.source.y
});
var temp = link;
var depthOfDumminess = link.depthOfDumminess;
for (var d = 0; d < depthOfDumminess; d++) {
var node = temp.source;
var prevLink = node.incoming[0];
points.unshift({
x: prevLink.source.x,
y: prevLink.source.y
});
temp = prevLink;
}
link.changeSource(temp.source);
link.depthOfDumminess = 0;
if (points.length > 2) {
points.splice(0, 1);
points.splice(points.length - 1);
link.points = points;
} else {
link.points = [];
}
dedum = true;
break;
}
}
},
_optimizeCrossings: function () {
var moves = -1, i;
var maxIterations = 3;
var iter = 0;
while (moves !== 0) {
if (iter++ > maxIterations) {
break;
}
moves = 0;
for (i = this.layers.length - 1; i >= 1; i--) {
moves += this.optimizeLayerCrossings(false, i);
}
for (i = 0; i < this.layers.length - 1; i++) {
moves += this.optimizeLayerCrossings(true, i);
}
}
},
calcUpData: function (layer) {
if (layer === 0) {
return;
}
var considered = this.layers[layer], i, l, link;
var upLayer = new Set();
var temp = this.layers[layer - 1];
for (i = 0; i < temp.length; i++) {
upLayer.add(temp[i]);
}
for (i = 0; i < considered.length; i++) {
var node = considered[i];
var sum = 0;
var total = 0;
for (l = 0; l < node.incoming.length; l++) {
link = node.incoming[l];
if (upLayer.contains(link.source)) {
total++;
sum += link.source.gridPosition;
}
}
for (l = 0; l < node.outgoing.length; l++) {
link = node.outgoing[l];
if (upLayer.contains(link.target)) {
total++;
sum += link.target.gridPosition;
}
}
if (total > 0) {
node.uBaryCenter = sum / total;
node.upstreamLinkCount = total;
} else {
node.uBaryCenter = i;
node.upstreamLinkCount = 0;
}
}
},
calcDownData: function (layer) {
if (layer === this.layers.length - 1) {
return;
}
var considered = this.layers[layer], i, l, link;
var downLayer = new Set();
var temp = this.layers[layer + 1];
for (i = 0; i < temp.length; i++) {
downLayer.add(temp[i]);
}
for (i = 0; i < considered.length; i++) {
var node = considered[i];
var sum = 0;
var total = 0;
for (l = 0; l < node.incoming.length; l++) {
link = node.incoming[l];
if (downLayer.contains(link.source)) {
total++;
sum += link.source.gridPosition;
}
}
for (l = 0; l < node.outgoing.length; l++) {
link = node.outgoing[l];
if (downLayer.contains(link.target)) {
total++;
sum += link.target.gridPosition;
}
}
if (total > 0) {
node.dBaryCenter = sum / total;
node.downstreamLinkCount = total;
} else {
node.dBaryCenter = i;
node.downstreamLinkCount = 0;
}
}
},
optimizeLayerCrossings: function (down, layer) {
var iconsidered;
var considered;
if (down) {
considered = this.layers[iconsidered = layer + 1];
} else {
considered = this.layers[iconsidered = layer - 1];
}
var presorted = considered.slice(0);
if (down) {
this.calcUpData(iconsidered);
} else {
this.calcDownData(iconsidered);
}
var that = this;
considered.sort(function (n1, n2) {
var n1BaryCenter = that.calcBaryCenter(n1), n2BaryCenter = that.calcBaryCenter(n2);
if (Math.abs(n1BaryCenter - n2BaryCenter) < 0.0001) {
if (n1.degree() === n2.degree()) {
return that.compareByIndex(n1, n2);
} else if (n1.degree() < n2.degree()) {
return 1;
}
return -1;
}
var compareValue = (n2BaryCenter - n1BaryCenter) * 1000;
if (compareValue > 0) {
return -1;
} else if (compareValue < 0) {
return 1;
}
return that.compareByIndex(n1, n2);
});
var i, moves = 0;
for (i = 0; i < considered.length; i++) {
if (considered[i] !== presorted[i]) {
moves++;
}
}
if (moves > 0) {
var inode = 0;
for (i = 0; i < considered.length; i++) {
var node = considered[i];
node.gridPosition = inode++;
}
}
return moves;
},
_swapPairs: function () {
var maxIterations = this.options.layeredIterations;
var iter = 0;
while (true) {
if (iter++ > maxIterations) {
break;
}
var downwards = iter % 4 <= 1;
var secondPass = iter % 4 === 1;
for (var l = downwards ? 0 : this.layers.length - 1; downwards ? l <= this.layers.length - 1 : l >= 0; l += downwards ? 1 : -1) {
var layer = this.layers[l];
var hasSwapped = false;
var calcCrossings = true;
var memCrossings = 0;
for (var n = 0; n < layer.length - 1; n++) {
var up = 0;
var down = 0;
var crossBefore = 0;
if (calcCrossings) {
if (l !== 0) {
up = this.countLinksCrossingBetweenTwoLayers(l - 1, l);
}
if (l !== this.layers.length - 1) {
down = this.countLinksCrossingBetweenTwoLayers(l, l + 1);
}
if (downwards) {
up *= 2;
} else {
down *= 2;
}
crossBefore = up + down;
} else {
crossBefore = memCrossings;
}
if (crossBefore === 0) {
continue;
}
var node1 = layer[n];
var node2 = layer[n + 1];
var node1GridPos = node1.gridPosition;
var node2GridPos = node2.gridPosition;
layer[n] = node2;
layer[n + 1] = node1;
node1.gridPosition = node2GridPos;
node2.gridPosition = node1GridPos;
up = 0;
if (l !== 0) {
up = this.countLinksCrossingBetweenTwoLayers(l - 1, l);
}
down = 0;
if (l !== this.layers.length - 1) {
down = this.countLinksCrossingBetweenTwoLayers(l, l + 1);
}
if (downwards) {
up *= 2;
} else {
down *= 2;
}
var crossAfter = up + down;
var revert = false;
if (secondPass) {
revert = crossAfter >= crossBefore;
} else {
revert = crossAfter > crossBefore;
}
if (revert) {
node1 = layer[n];
node2 = layer[n + 1];
node1GridPos = node1.gridPosition;
node2GridPos = node2.gridPosition;
layer[n] = node2;
layer[n + 1] = node1;
node1.gridPosition = node2GridPos;
node2.gridPosition = node1GridPos;
memCrossings = crossBefore;
calcCrossings = false;
} else {
hasSwapped = true;
calcCrossings = true;
}
}
if (hasSwapped) {
if (l !== this.layers.length - 1) {
this.calcUpData(l + 1);
}
if (l !== 0) {
this.calcDownData(l - 1);
}
}
}
}
},
countLinksCrossingBetweenTwoLayers: function (ulayer, dlayer) {
var links = this.layers[ulayer].linksTo[dlayer];
var link1, link2, n11, n12, n21, n22, l1, l2;
var crossings = 0;
var length = links.length;
for (l1 = 0; l1 < length; l1++) {
link1 = links[l1];
for (l2 = l1 + 1; l2 < length; l2++) {
link2 = links[l2];
if (link1.target.layer === dlayer) {
n11 = link1.source;
n12 = link1.target;
} else {
n11 = link1.target;
n12 = link1.source;
}
if (link2.target.layer === dlayer) {
n21 = link2.source;
n22 = link2.target;
} else {
n21 = link2.target;
n22 = link2.source;
}
var n11gp = n11.gridPosition;
var n12gp = n12.gridPosition;
var n21gp = n21.gridPosition;
var n22gp = n22.gridPosition;
if ((n11gp - n21gp) * (n12gp - n22gp) < 0) {
crossings++;
}
}
}
return crossings;
},
calcBaryCenter: function (node) {
var upstreamLinkCount = node.upstreamLinkCount;
var downstreamLinkCount = node.downstreamLinkCount;
var uBaryCenter = node.uBaryCenter;
var dBaryCenter = node.dBaryCenter;
if (upstreamLinkCount > 0 && downstreamLinkCount > 0) {
return (uBaryCenter + dBaryCenter) / 2;
}
if (upstreamLinkCount > 0) {
return uBaryCenter;
}
if (downstreamLinkCount > 0) {
return dBaryCenter;
}
return 0;
},
_gridPositionComparer: function (x, y) {
if (x.gridPosition < y.gridPosition) {
return -1;
}
if (x.gridPosition > y.gridPosition) {
return 1;
}
return 0;
},
_positionAscendingComparer: function (x, y) {
return x.k < y.k ? -1 : x.k > y.k ? 1 : 0;
},
_positionDescendingComparer: function (x, y) {
return x.k < y.k ? 1 : x.k > y.k ? -1 : 0;
},
_firstVirtualNode: function (layer) {
for (var c = 0; c < layer.length; c++) {
if (layer[c].isVirtual) {
return c;
}
}
return -1;
},
compareByIndex: function (o1, o2) {
var i1 = o1.index;
var i2 = o2.index;
if (i1 < i2) {
return 1;
}
if (i1 > i2) {
return -1;
}
return 0;
},
intDiv: function (numerator, denominator) {
return (numerator - numerator % denominator) / denominator;
},
nextVirtualNode: function (layer, node) {
var nodeIndex = node.layerIndex;
for (var i = nodeIndex + 1; i < layer.length; ++i) {
if (layer[i].isVirtual) {
return layer[i];
}
}
return null;
}
});
var LayoutState = kendo.Class.extend({
init: function (diagram, graphOrNodes) {
if (Utils.isUndefined(diagram)) {
throw 'No diagram given';
}
this.diagram = diagram;
this.nodeMap = new Dictionary();
this.linkMap = new Dictionary();
this.capture(graphOrNodes ? graphOrNodes : diagram);
},
capture: function (diagramOrGraphOrNodes) {
var node, nodes, shape, i, conn, link, links;
if (diagramOrGraphOrNodes instanceof diagram.Graph) {
for (i = 0; i < diagramOrGraphOrNodes.nodes.length; i++) {
node = diagramOrGraphOrNodes.nodes[i];
shape = node.associatedShape;
this.nodeMap.set(shape.visual.id, new Rect(node.x, node.y, node.width, node.height));
}
for (i = 0; i < diagramOrGraphOrNodes.links.length; i++) {
link = diagramOrGraphOrNodes.links[i];
conn = link.associatedConnection;
this.linkMap.set(conn.visual.id, link.points());
}
} else if (diagramOrGraphOrNodes instanceof Array) {
nodes = diagramOrGraphOrNodes;
for (i = 0; i < nodes.length; i++) {
node = nodes[i];
shape = node.associatedShape;
if (shape) {
this.nodeMap.set(shape.visual.id, new Rect(node.x, node.y, node.width, node.height));
}
}
} else if (diagramOrGraphOrNodes.hasOwnProperty('links') && diagramOrGraphOrNodes.hasOwnProperty('nodes')) {
nodes = diagramOrGraphOrNodes.nodes;
links = diagramOrGraphOrNodes.links;
for (i = 0; i < nodes.length; i++) {
node = nodes[i];
shape = node.associatedShape;
if (shape) {
this.nodeMap.set(shape.visual.id, new Rect(node.x, node.y, node.width, node.height));
}
}
for (i = 0; i < links.length; i++) {
link = links[i];
conn = link.associatedConnection;
if (conn) {
this.linkMap.set(conn.visual.id, link.points);
}
}
} else {
var shapes = this.diagram.shapes;
var connections = this.diagram.connections;
for (i = 0; i < shapes.length; i++) {
shape = shapes[i];
this.nodeMap.set(shape.visual.id, shape.bounds());
}
for (i = 0; i < connections.length; i++) {
conn = connections[i];
this.linkMap.set(conn.visual.id, conn.points());
}
}
}
});
deepExtend(diagram, {
init: function (element) {
kendo.init(element, diagram.ui);
},
SpringLayout: SpringLayout,
TreeLayout: TreeLayout,
GraphAdapter: DiagramToHyperTreeAdapter,
LayeredLayout: LayeredLayout,
LayoutBase: LayoutBase,
LayoutState: LayoutState
});
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('dataviz/diagram/dom', [
'kendo.data',
'kendo.draganddrop',
'kendo.toolbar',
'kendo.editable',
'kendo.window',
'kendo.dropdownlist',
'kendo.dataviz.core',
'kendo.dataviz.themes',
'dataviz/diagram/svg',
'dataviz/diagram/services',
'dataviz/diagram/layout'
], f);
}(function () {
(function ($, undefined) {
var dataviz = kendo.dataviz, draw = kendo.drawing, geom = kendo.geometry, diagram = dataviz.diagram, Widget = kendo.ui.Widget, Class = kendo.Class, proxy = $.proxy, deepExtend = kendo.deepExtend, extend = $.extend, HierarchicalDataSource = kendo.data.HierarchicalDataSource, Canvas = diagram.Canvas, Group = diagram.Group, Rectangle = diagram.Rectangle, Circle = diagram.Circle, CompositeTransform = diagram.CompositeTransform, Rect = diagram.Rect, Path = diagram.Path, DeleteShapeUnit = diagram.DeleteShapeUnit, DeleteConnectionUnit = diagram.DeleteConnectionUnit, TextBlock = diagram.TextBlock, Image = diagram.Image, Point = diagram.Point, Intersect = diagram.Intersect, ConnectionEditAdorner = diagram.ConnectionEditAdorner, UndoRedoService = diagram.UndoRedoService, ToolService = diagram.ToolService, Selector = diagram.Selector, ResizingAdorner = diagram.ResizingAdorner, ConnectorsAdorner = diagram.ConnectorsAdorner, Cursors = diagram.Cursors, Utils = diagram.Utils, Observable = kendo.Observable, ToBackUnit = diagram.ToBackUnit, ToFrontUnit = diagram.ToFrontUnit, PolylineRouter = diagram.PolylineRouter, CascadingRouter = diagram.CascadingRouter, isUndefined = Utils.isUndefined, isDefined = Utils.isDefined, defined = kendo.util.defined, isArray = $.isArray, isFunction = kendo.isFunction, isString = Utils.isString, isPlainObject = $.isPlainObject, math = Math;
var NS = '.kendoDiagram', CASCADING = 'cascading', ITEMBOUNDSCHANGE = 'itemBoundsChange', CHANGE = 'change', CLICK = 'click', DRAG = 'drag', DRAG_END = 'dragEnd', DRAG_START = 'dragStart', MOUSE_ENTER = 'mouseEnter', MOUSE_LEAVE = 'mouseLeave', ERROR = 'error', AUTO = 'Auto', TOP = 'Top', RIGHT = 'Right', LEFT = 'Left', BOTTOM = 'Bottom', MAXINT = 9007199254740992, SELECT = 'select', ITEMROTATE = 'itemRotate', PAN = 'pan', ZOOM_START = 'zoomStart', ZOOM_END = 'zoomEnd', NONE = 'none', DEFAULT_CANVAS_WIDTH = 600, DEFAULT_CANVAS_HEIGHT = 600, DEFAULT_SHAPE_TYPE = 'rectangle', DEFAULT_SHAPE_WIDTH = 100, DEFAULT_SHAPE_HEIGHT = 100, DEFAULT_SHAPE_MINWIDTH = 20, DEFAULT_SHAPE_MINHEIGHT = 20, DEFAULT_SHAPE_POSITION = 0, DEFAULT_CONNECTION_BACKGROUND = 'Yellow', MAX_VALUE = Number.MAX_VALUE, MIN_VALUE = -Number.MAX_VALUE, ABSOLUTE = 'absolute', TRANSFORMED = 'transformed', ROTATED = 'rotated', TRANSPARENT = 'transparent', WIDTH = 'width', HEIGHT = 'height', X = 'x', Y = 'y', MOUSEWHEEL_NS = 'DOMMouseScroll' + NS + ' mousewheel' + NS, MOBILE_ZOOM_RATE = 0.05, MOBILE_PAN_DISTANCE = 5, BUTTON_TEMPLATE = '#=text#', CONNECTION_CONTENT_OFFSET = 5;
diagram.DefaultConnectors = [
{ name: TOP },
{ name: BOTTOM },
{ name: LEFT },
{ name: RIGHT },
{
name: AUTO,
position: function (shape) {
return shape.getPosition('center');
}
}
];
var defaultButtons = {
cancel: {
text: 'Cancel',
imageClass: 'k-cancel',
className: 'k-diagram-cancel',
iconClass: 'k-icon'
},
update: {
text: 'Update',
imageClass: 'k-update',
className: 'k-diagram-update',
iconClass: 'k-icon'
}
};
diagram.shapeDefaults = function (extra) {
var defaults = {
type: DEFAULT_SHAPE_TYPE,
path: '',
autoSize: true,
visual: null,
x: DEFAULT_SHAPE_POSITION,
y: DEFAULT_SHAPE_POSITION,
minWidth: DEFAULT_SHAPE_MINWIDTH,
minHeight: DEFAULT_SHAPE_MINHEIGHT,
width: DEFAULT_SHAPE_WIDTH,
height: DEFAULT_SHAPE_HEIGHT,
hover: {},
editable: {
connect: true,
tools: []
},
connectors: diagram.DefaultConnectors,
rotation: { angle: 0 }
};
Utils.simpleExtend(defaults, extra);
return defaults;
};
function mwDelta(e) {
var origEvent = e.originalEvent, delta = 0;
if (origEvent.wheelDelta) {
delta = -origEvent.wheelDelta / 40;
delta = delta > 0 ? math.ceil(delta) : math.floor(delta);
} else if (origEvent.detail) {
delta = origEvent.detail;
}
return delta;
}
function isAutoConnector(connector) {
return connector.options.name.toLowerCase() === AUTO.toLowerCase();
}
function closestConnector(point, shape) {
var minimumDistance = MAXINT, resCtr, ctrs = shape.connectors;
for (var i = 0; i < ctrs.length; i++) {
var ctr = ctrs[i];
if (!isAutoConnector(ctr)) {
var dist = point.distanceTo(ctr.position());
if (dist < minimumDistance) {
minimumDistance = dist;
resCtr = ctr;
}
}
}
return resCtr;
}
function indicesOfItems(group, visuals) {
var i, indices = [], visual;
var children = group.drawingContainer().children;
var length = children.length;
for (i = 0; i < visuals.length; i++) {
visual = visuals[i];
for (var j = 0; j < length; j++) {
if (children[j] == visual.drawingContainer()) {
indices.push(j);
break;
}
}
}
return indices;
}
var DiagramElement = Observable.extend({
init: function (options) {
var that = this;
that.dataItem = (options || {}).dataItem;
Observable.fn.init.call(that);
that.options = deepExtend({ id: diagram.randomId() }, that.options, options);
that.isSelected = false;
that.visual = new Group({
id: that.options.id,
autoSize: that.options.autoSize
});
that.id = that.options.id;
that._template();
},
options: {
hover: {},
cursor: Cursors.grip,
content: { align: 'center middle' },
selectable: true,
serializable: true,
enable: true
},
_getCursor: function (point) {
if (this.adorner) {
return this.adorner._getCursor(point);
}
return this.options.cursor;
},
visible: function (value) {
if (isUndefined(value)) {
return this.visual.visible();
} else {
this.visual.visible(value);
}
},
bounds: function () {
},
refresh: function () {
this.visual.redraw();
},
position: function (point) {
this.options.x = point.x;
this.options.y = point.y;
this.visual.position(point);
},
toString: function () {
return this.options.id;
},
serialize: function () {
var json = deepExtend({}, { options: this.options });
if (this.dataItem) {
json.dataItem = this.dataItem.toString();
}
return json;
},
_content: function (content) {
if (content !== undefined) {
var options = this.options;
if (diagram.Utils.isString(content)) {
options.content.text = content;
} else {
deepExtend(options.content, content);
}
var contentOptions = options.content;
var contentVisual = this._contentVisual;
if (!contentVisual) {
this._createContentVisual(contentOptions);
} else {
this._updateContentVisual(contentOptions);
}
}
return this.options.content.text;
},
_createContentVisual: function (options) {
if (options.text) {
this._contentVisual = new TextBlock(options);
this._contentVisual._includeInBBox = false;
this.visual.append(this._contentVisual);
}
},
_updateContentVisual: function (options) {
this._contentVisual.redraw(options);
},
_hitTest: function (point) {
var bounds = this.bounds();
return this.visible() && bounds.contains(point) && this.options.enable;
},
_template: function () {
var that = this;
if (that.options.content.template) {
var data = that.dataItem || {}, elementTemplate = kendo.template(that.options.content.template, { paramName: 'dataItem' });
that.options.content.text = elementTemplate(data);
}
},
_canSelect: function () {
return this.options.selectable !== false;
},
toJSON: function () {
return { id: this.options.id };
}
});
var Connector = Class.extend({
init: function (shape, options) {
this.options = deepExtend({}, this.options, options);
this.connections = [];
this.shape = shape;
},
options: {
width: 7,
height: 7,
fill: { color: DEFAULT_CONNECTION_BACKGROUND },
hover: {}
},
position: function () {
if (this.options.position) {
return this.options.position(this.shape);
} else {
return this.shape.getPosition(this.options.name);
}
},
toJSON: function () {
return {
shapeId: this.shape.toString(),
connector: this.options.name
};
}
});
Connector.parse = function (diagram, str) {
var tempStr = str.split(':'), id = tempStr[0], name = tempStr[1] || AUTO;
for (var i = 0; i < diagram.shapes.length; i++) {
var shape = diagram.shapes[i];
if (shape.options.id == id) {
return shape.getConnector(name.trim());
}
}
};
var Shape = DiagramElement.extend({
init: function (options, diagram) {
var that = this;
DiagramElement.fn.init.call(that, options);
this.diagram = diagram;
this.updateOptionsFromModel();
options = that.options;
that.connectors = [];
that.type = options.type;
that.createShapeVisual();
that.updateBounds();
that.content(that.content());
that._createConnectors();
},
options: diagram.shapeDefaults(),
_setOptionsFromModel: function (model) {
var modelOptions = filterShapeDataItem(model || this.dataItem);
this.options = deepExtend({}, this.options, modelOptions);
this.redrawVisual();
if (this.options.content) {
this._template();
this.content(this.options.content);
}
},
updateOptionsFromModel: function (model, field) {
if (this.diagram && this.diagram._isEditable) {
var modelOptions = filterShapeDataItem(model || this.dataItem);
if (model && field) {
if (!dataviz.inArray(field, [
'x',
'y',
'width',
'height'
])) {
if (this.options.visual) {
this.redrawVisual();
} else if (modelOptions.type) {
this.options = deepExtend({}, this.options, modelOptions);
this.redrawVisual();
}
if (this.options.content) {
this._template();
this.content(this.options.content);
}
} else {
var bounds = this.bounds();
bounds[field] = model[field];
this.bounds(bounds);
}
} else {
this.options = deepExtend({}, this.options, modelOptions);
}
}
},
redrawVisual: function () {
this.visual.clear();
this._contentVisual = null;
this.options.dataItem = this.dataItem;
this.createShapeVisual();
this.updateBounds();
},
updateModel: function (syncChanges) {
var diagram = this.diagram;
if (diagram && diagram._isEditable) {
var bounds = this._bounds;
var model = this.dataItem;
if (model) {
diagram._suspendModelRefresh();
if (defined(model.x) && bounds.x !== model.x) {
model.set('x', bounds.x);
}
if (defined(model.y) && bounds.y !== model.y) {
model.set('y', bounds.y);
}
if (defined(model.width) && bounds.width !== model.width) {
model.set('width', bounds.width);
}
if (defined(model.height) && bounds.height !== model.height) {
model.set('height', bounds.height);
}
this.dataItem = model;
diagram._resumeModelRefresh();
if (syncChanges) {
diagram._syncShapeChanges();
}
}
}
},
updateBounds: function () {
var bounds = this.visual._measure(true);
var options = this.options;
this.bounds(new Rect(options.x, options.y, bounds.width, bounds.height));
this._rotate();
this._alignContent();
},
content: function (content) {
var result = this._content(content);
this._alignContent();
return result;
},
_alignContent: function () {
var contentOptions = this.options.content || {};
var contentVisual = this._contentVisual;
if (contentVisual && contentOptions.align) {
var containerRect = this.visual._measure();
var aligner = new diagram.RectAlign(containerRect);
var contentBounds = contentVisual.drawingElement.bbox(null);
var contentRect = new Rect(0, 0, contentBounds.width(), contentBounds.height());
var alignedBounds = aligner.align(contentRect, contentOptions.align);
contentVisual.position(alignedBounds.topLeft());
}
},
_createConnectors: function () {
var options = this.options, length = options.connectors.length, connectorDefaults = options.connectorDefaults, connector, i;
for (i = 0; i < length; i++) {
connector = new Connector(this, deepExtend({}, connectorDefaults, options.connectors[i]));
this.connectors.push(connector);
}
},
bounds: function (value) {
var bounds;
if (value) {
if (isString(value)) {
switch (value) {
case TRANSFORMED:
bounds = this._transformedBounds();
break;
case ABSOLUTE:
bounds = this._transformedBounds();
var pan = this.diagram._pan;
bounds.x += pan.x;
bounds.y += pan.y;
break;
case ROTATED:
bounds = this._rotatedBounds();
break;
default:
bounds = this._bounds;
}
} else {
this._setBounds(value);
this._triggerBoundsChange();
if (!(this.diagram && this.diagram._layouting)) {
this.refreshConnections();
}
}
} else {
bounds = this._bounds;
}
return bounds;
},
_setBounds: function (rect) {
var options = this.options;
var topLeft = rect.topLeft();
var x = options.x = topLeft.x;
var y = options.y = topLeft.y;
var width = options.width = math.max(rect.width, options.minWidth);
var height = options.height = math.max(rect.height, options.minHeight);
this._bounds = new Rect(x, y, width, height);
this.visual.redraw({
x: x,
y: y,
width: width,
height: height
});
},
position: function (point) {
if (point) {
this.bounds(new Rect(point.x, point.y, this._bounds.width, this._bounds.height));
} else {
return this._bounds.topLeft();
}
},
clone: function () {
var json = this.serialize();
json.options.id = diagram.randomId();
if (this.diagram && this.diagram._isEditable && defined(this.dataItem)) {
json.options.dataItem = cloneDataItem(this.dataItem);
}
return new Shape(json.options);
},
select: function (value) {
var diagram = this.diagram, selected, deselected;
if (isUndefined(value)) {
value = true;
}
if (this._canSelect()) {
if (this.isSelected != value) {
selected = [];
deselected = [];
this.isSelected = value;
if (this.isSelected) {
diagram._selectedItems.push(this);
selected.push(this);
} else {
Utils.remove(diagram._selectedItems, this);
deselected.push(this);
}
if (!diagram._internalSelection) {
diagram._selectionChanged(selected, deselected);
}
return true;
}
}
},
rotate: function (angle, center, undoable) {
var rotate = this.visual.rotate();
if (angle !== undefined) {
if (undoable !== false && this.diagram && this.diagram.undoRedoService && angle !== rotate.angle) {
this.diagram.undoRedoService.add(new diagram.RotateUnit(this.diagram._resizingAdorner, [this], [rotate.angle]), false);
}
var b = this.bounds(), sc = new Point(b.width / 2, b.height / 2), deltaAngle, newPosition;
if (center) {
deltaAngle = angle - rotate.angle;
newPosition = b.center().rotate(center, 360 - deltaAngle).minus(sc);
this._rotationOffset = this._rotationOffset.plus(newPosition.minus(b.topLeft()));
this.position(newPosition);
}
this.visual.rotate(angle, sc);
this.options.rotation.angle = angle;
if (this.diagram && this.diagram._connectorsAdorner) {
this.diagram._connectorsAdorner.refresh();
}
this.refreshConnections();
if (this.diagram) {
this.diagram.trigger(ITEMROTATE, { item: this });
}
}
return rotate;
},
connections: function (type) {
var result = [], i, j, con, cons, ctr;
for (i = 0; i < this.connectors.length; i++) {
ctr = this.connectors[i];
cons = ctr.connections;
for (j = 0, cons; j < cons.length; j++) {
con = cons[j];
if (type == 'out') {
var source = con.source();
if (source.shape && source.shape == this) {
result.push(con);
}
} else if (type == 'in') {
var target = con.target();
if (target.shape && target.shape == this) {
result.push(con);
}
} else {
result.push(con);
}
}
}
return result;
},
refreshConnections: function () {
$.each(this.connections(), function () {
this.refresh();
});
},
getConnector: function (nameOrPoint) {
var i, ctr;
if (isString(nameOrPoint)) {
nameOrPoint = nameOrPoint.toLocaleLowerCase();
for (i = 0; i < this.connectors.length; i++) {
ctr = this.connectors[i];
if (ctr.options.name.toLocaleLowerCase() == nameOrPoint) {
return ctr;
}
}
} else if (nameOrPoint instanceof Point) {
return closestConnector(nameOrPoint, this);
} else {
return this.connectors.length ? this.connectors[0] : null;
}
},
getPosition: function (side) {
var b = this.bounds(), fnName = side.charAt(0).toLowerCase() + side.slice(1);
if (isFunction(b[fnName])) {
return this._transformPoint(b[fnName]());
}
return b.center();
},
redraw: function (options) {
if (options) {
var shapeOptions = this.options;
var boundsChange;
this.shapeVisual.redraw(this._visualOptions(options));
if (this._diffNumericOptions(options, [
WIDTH,
HEIGHT,
X,
Y
])) {
this.bounds(new Rect(shapeOptions.x, shapeOptions.y, shapeOptions.width, shapeOptions.height));
boundsChange = true;
}
if (options.connectors) {
shapeOptions.connectors = options.connectors;
this._updateConnectors();
}
shapeOptions = deepExtend(shapeOptions, options);
if (options.rotation || boundsChange) {
this._rotate();
}
if (shapeOptions.content) {
this.content(shapeOptions.content);
}
}
},
_updateConnectors: function () {
var connections = this.connections();
this.connectors = [];
this._createConnectors();
var connection;
var source;
var target;
for (var idx = 0; idx < connections.length; idx++) {
connection = connections[idx];
source = connection.source();
target = connection.target();
if (source.shape && source.shape === this) {
connection.source(this.getConnector(source.options.name) || null);
} else if (target.shape && target.shape === this) {
connection.target(this.getConnector(target.options.name) || null);
}
connection.updateModel();
}
},
_diffNumericOptions: diagram.diffNumericOptions,
_visualOptions: function (options) {
return {
data: options.path,
source: options.source,
hover: options.hover,
fill: options.fill,
stroke: options.stroke
};
},
_triggerBoundsChange: function () {
if (this.diagram) {
this.diagram.trigger(ITEMBOUNDSCHANGE, {
item: this,
bounds: this._bounds.clone()
});
}
},
_transformPoint: function (point) {
var rotate = this.rotate(), bounds = this.bounds(), tl = bounds.topLeft();
if (rotate.angle) {
point.rotate(rotate.center().plus(tl), 360 - rotate.angle);
}
return point;
},
_transformedBounds: function () {
var bounds = this.bounds(), tl = bounds.topLeft(), br = bounds.bottomRight();
return Rect.fromPoints(this.diagram.modelToView(tl), this.diagram.modelToView(br));
},
_rotatedBounds: function () {
var bounds = this.bounds().rotatedBounds(this.rotate().angle), tl = bounds.topLeft(), br = bounds.bottomRight();
return Rect.fromPoints(tl, br);
},
_rotate: function () {
var rotation = this.options.rotation;
if (rotation && rotation.angle) {
this.rotate(rotation.angle);
}
this._rotationOffset = new Point();
},
_hover: function (value) {
var options = this.options, hover = options.hover, stroke = options.stroke, fill = options.fill;
if (value && isDefined(hover.stroke)) {
stroke = deepExtend({}, stroke, hover.stroke);
}
if (value && isDefined(hover.fill)) {
fill = hover.fill;
}
this.shapeVisual.redraw({
stroke: stroke,
fill: fill
});
if (options.editable && options.editable.connect) {
this.diagram._showConnectors(this, value);
}
},
_hitTest: function (value) {
if (this.visible()) {
var bounds = this.bounds(), rotatedPoint, angle = this.rotate().angle;
if (value.isEmpty && !value.isEmpty()) {
return Intersect.rects(value, bounds, angle ? angle : 0);
} else {
rotatedPoint = value.clone().rotate(bounds.center(), angle);
if (bounds.contains(rotatedPoint)) {
return this;
}
}
}
},
toJSON: function () {
return { shapeId: this.options.id };
},
createShapeVisual: function () {
var options = this.options;
var visualOptions = this._visualOptions(options);
var visualTemplate = options.visual;
var type = (options.type + '').toLocaleLowerCase();
var shapeVisual;
visualOptions.width = options.width;
visualOptions.height = options.height;
if (isFunction(visualTemplate)) {
shapeVisual = visualTemplate.call(this, options);
} else if (visualOptions.data) {
shapeVisual = new Path(visualOptions);
translateToOrigin(shapeVisual);
} else if (type == 'rectangle') {
shapeVisual = new Rectangle(visualOptions);
} else if (type == 'circle') {
shapeVisual = new Circle(visualOptions);
} else if (type == 'text') {
shapeVisual = new TextBlock(visualOptions);
} else if (type == 'image') {
shapeVisual = new Image(visualOptions);
} else {
shapeVisual = new Path(visualOptions);
}
this.shapeVisual = shapeVisual;
this.visual.append(this.shapeVisual);
}
});
var Connection = DiagramElement.extend({
init: function (from, to, options) {
var that = this;
DiagramElement.fn.init.call(that, options);
this.updateOptionsFromModel();
this._initRouter();
that.path = new diagram.Polyline(that.options);
that.path.fill(TRANSPARENT);
that.visual.append(that.path);
that._sourcePoint = that._targetPoint = new Point();
that._setSource(from);
that._setTarget(to);
that.content(that.options.content);
that.definers = [];
if (defined(options) && options.points) {
that.points(options.points);
}
},
options: {
hover: { stroke: {} },
startCap: NONE,
endCap: NONE,
points: [],
selectable: true,
fromConnector: AUTO,
toConenctor: AUTO
},
_setOptionsFromModel: function (model) {
this.updateOptionsFromModel(model || this.dataItem);
},
updateOptionsFromModel: function (model) {
if (this.diagram && this.diagram._isEditable) {
var dataMap = this.diagram._dataMap;
var options = filterConnectionDataItem(model || this.dataItem);
if (model) {
if (defined(options.from)) {
var from = dataMap[options.from];
if (from && defined(options.fromConnector)) {
from = from.getConnector(options.fromConnector);
}
this.source(from);
} else if (defined(options.fromX) && defined(options.fromY)) {
this.source(new Point(options.fromX, options.fromY));
}
if (defined(options.to)) {
var to = dataMap[options.to];
if (to && defined(options.toConnector)) {
to = to.getConnector(options.toConnector);
}
this.target(to);
} else if (defined(options.toX) && defined(options.toY)) {
this.target(new Point(options.toX, options.toY));
}
if (defined(options.type) && this.type() !== options.type) {
this.points([]);
this.type(options.type);
}
this.dataItem = model;
this._template();
this.redraw(this.options);
} else {
this.options = deepExtend({}, options, this.options);
}
}
},
updateModel: function (syncChanges) {
if (this.diagram && this.diagram._isEditable) {
if (this.diagram.connectionsDataSource) {
var model = this.diagram.connectionsDataSource.getByUid(this.dataItem.uid);
if (model) {
this.diagram._suspendModelRefresh();
if (defined(this.options.fromX) && this.options.fromX !== null) {
clearField('from', model);
clearField('fromConnector', model);
model.set('fromX', this.options.fromX);
model.set('fromY', this.options.fromY);
} else {
model.set('from', this.options.from);
if (defined(model.fromConnector)) {
model.set('fromConnector', this.sourceConnector ? this.sourceConnector.options.name : null);
}
clearField('fromX', model);
clearField('fromY', model);
}
if (defined(this.options.toX) && this.options.toX !== null) {
clearField('to', model);
clearField('toConnector', model);
model.set('toX', this.options.toX);
model.set('toY', this.options.toY);
} else {
model.set('to', this.options.to);
if (defined(model.toConnector)) {
model.set('toConnector', this.targetConnector ? this.targetConnector.options.name : null);
}
clearField('toX', model);
clearField('toY', model);
}
if (defined(this.options.type) && defined(model.type)) {
model.set('type', this.options.type);
}
this.dataItem = model;
this.diagram._resumeModelRefresh();
if (syncChanges) {
this.diagram._syncConnectionChanges();
}
}
}
}
},
sourcePoint: function () {
return this._resolvedSourceConnector ? this._resolvedSourceConnector.position() : this._sourcePoint;
},
_setSource: function (source) {
var shapeSource = source instanceof Shape;
var defaultConnector = this.options.fromConnector || AUTO;
var dataItem;
if (shapeSource && !source.getConnector(defaultConnector)) {
return;
}
if (source !== undefined) {
this.from = source;
}
this._removeFromSourceConnector();
if (source === null) {
if (this.sourceConnector) {
this._sourcePoint = (this._resolvedSourceConnector || this.sourceConnector).position();
this._clearSourceConnector();
this._setFromOptions(null, this._sourcePoint);
}
} else if (source instanceof Connector) {
dataItem = source.shape.dataItem;
if (dataItem) {
this._setFromOptions(dataItem.id);
}
this.sourceConnector = source;
this.sourceConnector.connections.push(this);
} else if (source instanceof Point) {
this._setFromOptions(null, source);
this._sourcePoint = source;
if (this.sourceConnector) {
this._clearSourceConnector();
}
} else if (shapeSource) {
dataItem = source.dataItem;
if (dataItem) {
this._setFromOptions(dataItem.id);
}
this.sourceConnector = source.getConnector(defaultConnector);
this.sourceConnector.connections.push(this);
}
},
source: function (source, undoable) {
if (isDefined(source)) {
if (undoable && this.diagram) {
this.diagram.undoRedoService.addCompositeItem(new diagram.ConnectionEditUnit(this, source));
}
this._setSource(source);
this.refresh();
}
return this.sourceConnector ? this.sourceConnector : this._sourcePoint;
},
_setFromOptions: function (from, fromPoint) {
this.options.from = from;
if (fromPoint) {
this.options.fromX = fromPoint.x;
this.options.fromY = fromPoint.y;
} else {
this.options.fromX = null;
this.options.fromY = null;
}
},
sourceDefiner: function (value) {
if (value) {
if (value instanceof diagram.PathDefiner) {
value.left = null;
this._sourceDefiner = value;
this.source(value.point);
} else {
throw 'The sourceDefiner needs to be a PathDefiner.';
}
} else {
if (!this._sourceDefiner) {
this._sourceDefiner = new diagram.PathDefiner(this.sourcePoint(), null, null);
}
return this._sourceDefiner;
}
},
targetPoint: function () {
return this._resolvedTargetConnector ? this._resolvedTargetConnector.position() : this._targetPoint;
},
_setTarget: function (target) {
var shapeTarget = target instanceof Shape;
var defaultConnector = this.options.toConnector || AUTO;
var dataItem;
if (shapeTarget && !target.getConnector(defaultConnector)) {
return;
}
if (target !== undefined) {
this.to = target;
}
this._removeFromTargetConnector();
if (target === null) {
if (this.targetConnector) {
this._targetPoint = (this._resolvedTargetConnector || this.targetConnector).position();
this._clearTargetConnector();
this._setToOptions(null, this._targetPoint);
}
} else if (target instanceof Connector) {
dataItem = target.shape.dataItem;
if (dataItem) {
this._setToOptions(dataItem.id);
}
this.targetConnector = target;
this.targetConnector.connections.push(this);
} else if (target instanceof Point) {
this._setToOptions(null, target);
this._targetPoint = target;
if (this.targetConnector) {
this._clearTargetConnector();
}
} else if (shapeTarget) {
dataItem = target.dataItem;
if (dataItem) {
this._setToOptions(dataItem.id);
}
this.targetConnector = target.getConnector(defaultConnector);
this.targetConnector.connections.push(this);
}
},
target: function (target, undoable) {
if (isDefined(target)) {
if (undoable && this.diagram) {
this.diagram.undoRedoService.addCompositeItem(new diagram.ConnectionEditUnit(this, undefined, target));
}
this._setTarget(target);
this.refresh();
}
return this.targetConnector ? this.targetConnector : this._targetPoint;
},
_setToOptions: function (to, toPoint) {
this.options.to = to;
if (toPoint) {
this.options.toX = toPoint.x;
this.options.toY = toPoint.y;
} else {
this.options.toX = null;
this.options.toY = null;
}
},
targetDefiner: function (value) {
if (value) {
if (value instanceof diagram.PathDefiner) {
value.right = null;
this._targetDefiner = value;
this.target(value.point);
} else {
throw 'The sourceDefiner needs to be a PathDefiner.';
}
} else {
if (!this._targetDefiner) {
this._targetDefiner = new diagram.PathDefiner(this.targetPoint(), null, null);
}
return this._targetDefiner;
}
},
_updateConnectors: function () {
this._updateConnector(this.source(), 'source');
this._updateConnector(this.target(), 'target');
},
_updateConnector: function (instance, name) {
var that = this;
var diagram = that.diagram;
if (instance instanceof Connector && !diagram.getShapeById(instance.shape.id)) {
var dataItem = instance.shape.dataItem;
var connectorName = instance.options.name;
var setNewTarget = function () {
var shape = diagram._dataMap[dataItem.id];
instance = shape.getConnector(connectorName);
that[name](instance, false);
that.updateModel();
};
if (diagram._dataMap[dataItem.id]) {
setNewTarget();
} else {
var inactiveItem = diagram._inactiveShapeItems.getByUid(dataItem.uid);
if (inactiveItem) {
diagram._deferredConnectionUpdates.push(inactiveItem.onActivate(setNewTarget));
}
}
} else {
that[name](instance, false);
}
},
content: function (content) {
var result = this._content(content);
if (defined(content)) {
this._alignContent();
}
return result;
},
_createContentVisual: function (options) {
var visual;
if (isFunction(options.visual)) {
visual = options.visual.call(this, options);
} else if (options.text) {
visual = new TextBlock(options);
}
if (visual) {
this._contentVisual = visual;
visual._includeInBBox = false;
this.visual.append(visual);
}
return visual;
},
_updateContentVisual: function (options) {
if (isFunction(options.visual)) {
this.visual.remove(this._contentVisual);
this._createContentVisual(options);
} else {
this._contentVisual.redraw(options);
}
},
_alignContent: function () {
if (this._contentVisual) {
var offset = CONNECTION_CONTENT_OFFSET;
var points = this.allPoints();
var endIdx = math.floor(points.length / 2);
var startIdx = endIdx - 1;
while (startIdx > 0 && points[startIdx].equals(points[endIdx])) {
startIdx--;
endIdx++;
}
var endPoint = points[endIdx];
var startPoint = points[startIdx];
var boundingBox = this._contentVisual._measure();
var width = boundingBox.width;
var height = boundingBox.height;
var alignToPath = points.length % 2 === 0;
var distance = startPoint.distanceTo(endPoint);
if (alignToPath && points.length > 2 && distance > 0 && (startPoint.y === endPoint.y && distance < width || startPoint.x === endPoint.x && distance < height)) {
alignToPath = false;
offset = 0;
}
var point;
if (alignToPath) {
var angle = kendo.util.deg(math.atan2(endPoint.y - startPoint.y, endPoint.x - startPoint.x));
point = new Point((endPoint.x - startPoint.x) / 2 + startPoint.x, (endPoint.y - startPoint.y) / 2 + startPoint.y);
if (math.abs(angle) === 90) {
point.x += offset;
point.y -= height / 2;
} else if (angle % 180 === 0) {
point.x -= width / 2;
point.y -= height + offset;
} else if (angle < -90 || 0 < angle && angle < 90) {
point.y -= height;
} else if (angle < 0 || angle > 90) {
point.x -= width;
point.y -= height;
}
} else {
var midIdx = math.floor(points.length / 2);
point = points[midIdx].clone();
startPoint = points[midIdx - 1];
endPoint = points[midIdx + 1];
var offsetX = startPoint.x <= point.x && endPoint.x <= point.x ? offset : -boundingBox.width - offset;
var offsetY = startPoint.y <= point.y && endPoint.y <= point.y ? offset : -boundingBox.height - offset;
point.x += offsetX;
point.y += offsetY;
}
this._contentVisual.position(point);
}
},
select: function (value) {
var diagram = this.diagram, selected, deselected;
if (this._canSelect()) {
if (this.isSelected !== value) {
this.isSelected = value;
selected = [];
deselected = [];
if (this.isSelected) {
this.adorner = new ConnectionEditAdorner(this, this.options.selection);
diagram._adorn(this.adorner, true);
diagram._selectedItems.push(this);
selected.push(this);
} else {
if (this.adorner) {
diagram._adorn(this.adorner, false);
Utils.remove(diagram._selectedItems, this);
this.adorner = undefined;
deselected.push(this);
}
}
if (this.adorner) {
this.adorner.refresh();
}
if (!diagram._internalSelection) {
diagram._selectionChanged(selected, deselected);
}
return true;
}
}
},
bounds: function (value) {
if (value && !isString(value)) {
this._bounds = value;
} else {
return this._bounds;
}
},
type: function (value) {
var options = this.options;
if (value) {
if (value !== options.type) {
options.type = value;
this._initRouter();
this.refresh();
}
} else {
return options.type;
}
},
_initRouter: function () {
var type = (this.options.type || '').toLowerCase();
if (type == CASCADING) {
this._router = new CascadingRouter(this);
} else {
this._router = new PolylineRouter(this);
}
},
points: function (value) {
if (value) {
this.definers = [];
for (var i = 0; i < value.length; i++) {
var definition = value[i];
if (definition instanceof diagram.Point) {
this.definers.push(new diagram.PathDefiner(definition));
} else if (definition.hasOwnProperty('x') && definition.hasOwnProperty('y')) {
this.definers.push(new diagram.PathDefiner(new Point(definition.x, definition.y)));
} else {
throw 'A Connection point needs to be a Point or an object with x and y properties.';
}
}
} else {
var pts = [];
if (isDefined(this.definers)) {
for (var k = 0; k < this.definers.length; k++) {
pts.push(this.definers[k].point);
}
}
return pts;
}
},
allPoints: function () {
var pts = [this.sourcePoint()];
if (this.definers) {
for (var k = 0; k < this.definers.length; k++) {
pts.push(this.definers[k].point);
}
}
pts.push(this.targetPoint());
return pts;
},
refresh: function () {
this._resolveConnectors();
this._refreshPath();
this._alignContent();
if (this.adorner) {
this.adorner.refresh();
}
},
_resolveConnectors: function () {
var connection = this, sourcePoint, targetPoint, source = connection.source(), target = connection.target(), autoSourceShape, autoTargetShape;
if (source instanceof Point) {
sourcePoint = source;
} else if (source instanceof Connector) {
if (isAutoConnector(source)) {
autoSourceShape = source.shape;
} else {
connection._resolvedSourceConnector = source;
sourcePoint = source.position();
}
}
if (target instanceof Point) {
targetPoint = target;
} else if (target instanceof Connector) {
if (isAutoConnector(target)) {
autoTargetShape = target.shape;
} else {
connection._resolvedTargetConnector = target;
targetPoint = target.position();
}
}
if (sourcePoint) {
if (autoTargetShape) {
connection._resolvedTargetConnector = closestConnector(sourcePoint, autoTargetShape);
}
} else if (autoSourceShape) {
if (targetPoint) {
connection._resolvedSourceConnector = closestConnector(targetPoint, autoSourceShape);
} else if (autoTargetShape) {
this._resolveAutoConnectors(autoSourceShape, autoTargetShape);
}
}
},
_resolveAutoConnectors: function (autoSourceShape, autoTargetShape) {
var minNonConflict = MAXINT;
var minDist = MAXINT;
var sourceConnectors = autoSourceShape.connectors;
var targetConnectors;
var minNonConflictSource, minNonConflictTarget;
var sourcePoint, targetPoint;
var minSource, minTarget;
var sourceConnector, targetConnector;
var sourceIdx, targetIdx;
var dist;
for (sourceIdx = 0; sourceIdx < sourceConnectors.length; sourceIdx++) {
sourceConnector = sourceConnectors[sourceIdx];
if (!isAutoConnector(sourceConnector)) {
sourcePoint = sourceConnector.position();
targetConnectors = autoTargetShape.connectors;
for (targetIdx = 0; targetIdx < targetConnectors.length; targetIdx++) {
targetConnector = targetConnectors[targetIdx];
if (!isAutoConnector(targetConnector)) {
targetPoint = targetConnector.position();
dist = math.round(sourcePoint.distanceTo(targetPoint));
if (dist < minNonConflict && this.diagram && this._testRoutePoints(sourcePoint, targetPoint, sourceConnector, targetConnector)) {
minNonConflict = dist;
minNonConflictSource = sourceConnector;
minNonConflictTarget = targetConnector;
}
if (dist < minDist) {
minSource = sourceConnector;
minTarget = targetConnector;
minDist = dist;
}
}
}
}
}
if (minNonConflictSource) {
minSource = minNonConflictSource;
minTarget = minNonConflictTarget;
}
this._resolvedSourceConnector = minSource;
this._resolvedTargetConnector = minTarget;
},
_testRoutePoints: function (sourcePoint, targetPoint, sourceConnector, targetConnector) {
var router = this._router;
var passRoute = true;
if (router instanceof CascadingRouter) {
var points = router.routePoints(sourcePoint, targetPoint, sourceConnector, targetConnector), start, end, rect;
points.unshift(sourcePoint);
points.push(targetPoint);
for (var idx = 1; idx < points.length; idx++) {
start = points[idx - 1];
end = points[idx];
rect = new Rect(math.min(start.x, end.x), math.min(start.y, end.y), math.abs(start.x - end.x), math.abs(start.y - end.y));
if (rect.width > 0) {
rect.x++;
rect.width -= 2;
}
if (rect.height > 0) {
rect.y++;
rect.height -= 2;
}
if (!rect.isEmpty() && this.diagram._shapesQuadTree.hitTestRect(rect)) {
passRoute = false;
break;
}
}
}
return passRoute;
},
redraw: function (options) {
if (options) {
this.options = deepExtend({}, this.options, options);
var points = this.options.points;
if (defined(points) && points.length > 0) {
this.points(points);
this._refreshPath();
}
if (options && options.content || options.text) {
this.content(options.content);
}
this.path.redraw({
fill: options.fill,
stroke: options.stroke,
startCap: options.startCap,
endCap: options.endCap
});
}
},
clone: function () {
var json = this.serialize();
if (this.diagram && this.diagram._isEditable && defined(this.dataItem)) {
json.options.dataItem = cloneDataItem(this.dataItem);
}
return new Connection(this.from, this.to, json.options);
},
serialize: function () {
var from = this.from.toJSON ? this.from.toJSON : this.from.toString(), to = this.to.toJSON ? this.to.toJSON : this.to.toString();
var json = deepExtend({}, {
options: this.options,
from: from,
to: to
});
if (defined(this.dataItem)) {
json.dataItem = this.dataItem.toString();
}
json.options.points = this.points();
return json;
},
_hitTest: function (value) {
if (this.visible()) {
var p = new Point(value.x, value.y), from = this.sourcePoint(), to = this.targetPoint();
if (value.isEmpty && !value.isEmpty() && value.contains(from) && value.contains(to)) {
return this;
}
if (this._router.hitTest(p)) {
return this;
}
}
},
_hover: function (value) {
var color = (this.options.stroke || {}).color;
if (value && isDefined(this.options.hover.stroke.color)) {
color = this.options.hover.stroke.color;
}
this.path.redraw({ stroke: { color: color } });
},
_refreshPath: function () {
if (!defined(this.path)) {
return;
}
this._drawPath();
this.bounds(this._router.getBounds());
},
_drawPath: function () {
if (this._router) {
this._router.route();
}
var source = this.sourcePoint();
var target = this.targetPoint();
var points = this.points();
this.path.redraw({ points: [source].concat(points, [target]) });
},
_clearSourceConnector: function () {
this.sourceConnector = undefined;
this._resolvedSourceConnector = undefined;
},
_clearTargetConnector: function () {
this.targetConnector = undefined;
this._resolvedTargetConnector = undefined;
},
_removeFromSourceConnector: function () {
if (this.sourceConnector) {
Utils.remove(this.sourceConnector.connections, this);
}
},
_removeFromTargetConnector: function () {
if (this.targetConnector) {
Utils.remove(this.targetConnector.connections, this);
}
},
toJSON: function () {
var connection = this;
var from, to, point;
if (connection.from && connection.from.toJSON) {
from = connection.from.toJSON();
} else {
point = connection._sourcePoint;
from = {
x: point.x,
y: point.y
};
}
if (connection.to && connection.to.toJSON) {
to = connection.to.toJSON();
} else {
point = connection._targetPoint;
to = {
x: point.x,
y: point.y
};
}
return {
from: from,
to: to
};
}
});
var Diagram = Widget.extend({
init: function (element, userOptions) {
var that = this;
kendo.destroy(element);
Widget.fn.init.call(that, element, userOptions);
that._initTheme();
that._initElements();
that._extendLayoutOptions(that.options);
that._initDefaults(userOptions);
that._initCanvas();
that.mainLayer = new Group({ id: 'main-layer' });
that.canvas.append(that.mainLayer);
that._shapesQuadTree = new ShapesQuadTree(that);
that._pan = new Point();
that._adorners = [];
that.adornerLayer = new Group({ id: 'adorner-layer' });
that.canvas.append(that.adornerLayer);
that._createHandlers();
that._initialize();
that._fetchFreshData();
that._createGlobalToolBar();
that._resizingAdorner = new ResizingAdorner(that, { editable: that.options.editable });
that._connectorsAdorner = new ConnectorsAdorner(that);
that._adorn(that._resizingAdorner, true);
that._adorn(that._connectorsAdorner, true);
that.selector = new Selector(that);
that._clipboard = [];
that.pauseMouseHandlers = false;
that._createOptionElements();
that.zoom(that.options.zoom);
that.canvas.draw();
},
options: {
name: 'Diagram',
theme: 'default',
layout: '',
zoomRate: 0.1,
zoom: 1,
zoomMin: 0,
zoomMax: 2,
dataSource: {},
draggable: true,
template: '',
autoBind: true,
editable: {
rotate: {},
resize: {},
text: true,
tools: [],
drag: {
snap: {
size: 10,
angle: 10
}
},
remove: true
},
pannable: { key: 'ctrl' },
selectable: { key: 'none' },
tooltip: {
enabled: true,
format: '{0}'
},
copy: {
enabled: true,
offsetX: 20,
offsetY: 20
},
shapeDefaults: diagram.shapeDefaults({ undoable: true }),
connectionDefaults: {
editable: { tools: [] },
type: CASCADING
},
shapes: [],
connections: []
},
events: [
ZOOM_END,
ZOOM_START,
PAN,
SELECT,
ITEMROTATE,
ITEMBOUNDSCHANGE,
CHANGE,
CLICK,
MOUSE_ENTER,
MOUSE_LEAVE,
'toolBarClick',
'save',
'cancel',
'edit',
'remove',
'add',
'dataBound',
DRAG_START,
DRAG,
DRAG_END
],
items: function () {
return $();
},
_createGlobalToolBar: function () {
var editable = this.options.editable;
if (editable) {
var tools = editable.tools;
if (this._isEditable && tools !== false && (!tools || tools.length === 0)) {
tools = [
'createShape',
'undo',
'redo',
'rotateClockwise',
'rotateAnticlockwise'
];
}
if (tools && tools.length) {
this.toolBar = new DiagramToolBar(this, {
tools: tools || {},
click: proxy(this._toolBarClick, this),
modal: false
});
this.toolBar.element.css({ textAlign: 'left' });
this.element.prepend(this.toolBar.element);
this._resize();
}
}
},
createShape: function () {
if (this.editor && this.editor.end() || !this.editor) {
var dataSource = this.dataSource;
var view = dataSource.view() || [];
var index = view.length;
var model = createModel(dataSource, {});
var shape = this._createShape(model, {});
if (!this.trigger('add', { shape: shape })) {
dataSource.insert(index, model);
var inactiveItem = this._inactiveShapeItems.getByUid(model.uid);
inactiveItem.element = shape;
this.edit(shape);
}
}
},
_createShape: function (dataItem, options) {
options = deepExtend({}, this.options.shapeDefaults, options);
options.dataItem = dataItem;
var shape = new Shape(options, this);
return shape;
},
createConnection: function () {
if (this.editor && this.editor.end() || !this.editor) {
var connectionsDataSource = this.connectionsDataSource;
var view = connectionsDataSource.view() || [];
var index = view.length;
var model = createModel(connectionsDataSource, {});
var connection = this._createConnection(model);
if (!this.trigger('add', { connection: connection })) {
this._connectionsDataMap[model.uid] = connection;
connectionsDataSource.insert(index, model);
this.addConnection(connection, false);
this.edit(connection);
}
}
},
_createConnection: function (dataItem, source, target) {
var options = deepExtend({}, this.options.connectionDefaults);
options.dataItem = dataItem;
var connection = new Connection(source || new Point(), target || new Point(), options);
return connection;
},
editModel: function (dataItem, editorType) {
this.cancelEdit();
var editors, template;
var editable = this.options.editable;
if (editorType == 'shape') {
editors = editable.shapeEditors;
template = editable.shapeTemplate;
} else if (editorType == 'connection') {
var connectionSelectorHandler = proxy(connectionSelector, this);
editors = deepExtend({}, {
from: connectionSelectorHandler,
to: connectionSelectorHandler
}, editable.connectionEditors);
template = editable.connectionTemplate;
} else {
return;
}
this.editor = new PopupEditor(this.element, {
update: proxy(this._update, this),
cancel: proxy(this._cancel, this),
model: dataItem,
type: editorType,
target: this,
editors: editors,
template: template
});
this.trigger('edit', this._editArgs());
},
edit: function (item) {
if (item.dataItem) {
var editorType = item instanceof Shape ? 'shape' : 'connection';
this.editModel(item.dataItem, editorType);
}
},
cancelEdit: function () {
if (this.editor) {
this._getEditDataSource().cancelChanges(this.editor.model);
this._destroyEditor();
}
},
saveEdit: function () {
if (this.editor && this.editor.end() && !this.trigger('save', this._editArgs())) {
this._getEditDataSource().sync();
}
},
_update: function () {
if (this.editor && this.editor.end() && !this.trigger('save', this._editArgs())) {
this._getEditDataSource().sync();
this._destroyEditor();
}
},
_cancel: function () {
if (this.editor && !this.trigger('cancel', this._editArgs())) {
var model = this.editor.model;
this._getEditDataSource().cancelChanges(model);
var element = this._connectionsDataMap[model.uid] || this._dataMap[model.id];
if (element) {
element._setOptionsFromModel(model);
}
this._destroyEditor();
}
},
_getEditDataSource: function () {
return this.editor.options.type === 'shape' ? this.dataSource : this.connectionsDataSource;
},
_editArgs: function () {
var result = { container: this.editor.wrapper };
result[this.editor.options.type] = this.editor.model;
return result;
},
_destroyEditor: function () {
if (this.editor) {
this.editor.close();
this.editor = null;
}
},
_initElements: function () {
this.wrapper = this.element.empty().css('position', 'relative').attr('tabindex', 0).addClass('k-widget k-diagram');
this.scrollable = $('').appendTo(this.element);
},
_initDefaults: function (userOptions) {
var options = this.options;
var editable = options.editable;
var shapeDefaults = options.shapeDefaults;
var connectionDefaults = options.connectionDefaults;
var userShapeDefaults = (userOptions || {}).shapeDefaults;
if (editable === false) {
shapeDefaults.editable = false;
connectionDefaults.editable = false;
} else {
copyDefaultOptions(editable, shapeDefaults.editable, [
'drag',
'remove',
'connect'
]);
copyDefaultOptions(editable, connectionDefaults.editable, [
'drag',
'remove'
]);
}
if (userShapeDefaults && userShapeDefaults.connectors) {
options.shapeDefaults.connectors = userShapeDefaults.connectors;
}
},
_initCanvas: function () {
var canvasContainer = $('').appendTo(this.scrollable)[0];
var viewPort = this.viewport();
this.canvas = new Canvas(canvasContainer, {
width: viewPort.width || DEFAULT_CANVAS_WIDTH,
height: viewPort.height || DEFAULT_CANVAS_HEIGHT
});
},
_createHandlers: function () {
var that = this;
var element = that.element;
element.on(MOUSEWHEEL_NS, proxy(that._wheel, that));
if (!kendo.support.touch && !kendo.support.mobileOS) {
that.toolService = new ToolService(that);
this.scroller.wrapper.on('mousemove' + NS, proxy(that._mouseMove, that)).on('mouseup' + NS, proxy(that._mouseUp, that)).on('mousedown' + NS, proxy(that._mouseDown, that)).on('mouseover' + NS, proxy(that._mouseover, that)).on('mouseout' + NS, proxy(that._mouseout, that));
element.on('keydown' + NS, proxy(that._keydown, that));
} else {
that._userEvents = new kendo.UserEvents(element, {
multiTouch: true,
tap: proxy(that._tap, that)
});
that._userEvents.bind([
'gesturestart',
'gesturechange',
'gestureend'
], {
gesturestart: proxy(that._gestureStart, that),
gesturechange: proxy(that._gestureChange, that),
gestureend: proxy(that._gestureEnd, that)
});
that.toolService = new ToolService(that);
if (that.options.pannable !== false) {
that.scroller.enable();
}
}
this._syncHandler = proxy(that._syncChanges, that);
that._resizeHandler = proxy(that.resize, that, false);
kendo.onResize(that._resizeHandler);
this.bind(ZOOM_START, proxy(that._destroyToolBar, that));
this.bind(PAN, proxy(that._destroyToolBar, that));
},
_tap: function (e) {
var toolService = this.toolService;
var p = this._caculateMobilePosition(e);
toolService._updateHoveredItem(p);
if (toolService.hoveredItem) {
var item = toolService.hoveredItem;
if (this.options.selectable !== false) {
this._destroyToolBar();
if (item.isSelected) {
item.select(false);
} else {
this.select(item, { addToSelection: true });
}
this._createToolBar();
}
this.trigger('click', {
item: item,
point: p
});
}
},
_caculateMobilePosition: function (e) {
return this.documentToModel(Point(e.x.location, e.y.location));
},
_gestureStart: function (e) {
this._destroyToolBar();
this.scroller.disable();
var initialCenter = this.documentToModel(new Point(e.center.x, e.center.y));
var eventArgs = {
point: initialCenter,
zoom: this.zoom()
};
if (this.trigger(ZOOM_START, eventArgs)) {
return;
}
this._gesture = e;
this._initialCenter = initialCenter;
},
_gestureChange: function (e) {
var previousGesture = this._gesture;
var initialCenter = this._initialCenter;
var center = this.documentToView(new Point(e.center.x, e.center.y));
var scaleDelta = e.distance / previousGesture.distance;
var zoom = this._zoom;
var updateZoom = false;
if (math.abs(scaleDelta - 1) >= MOBILE_ZOOM_RATE) {
this._zoom = zoom = this._getValidZoom(zoom * scaleDelta);
this.options.zoom = zoom;
this._gesture = e;
updateZoom = true;
}
var zoomedPoint = initialCenter.times(zoom);
var pan = center.minus(zoomedPoint);
if (updateZoom || this._pan.distanceTo(pan) >= MOBILE_PAN_DISTANCE) {
this._panTransform(pan);
this._updateAdorners();
}
e.preventDefault();
},
_gestureEnd: function () {
if (this.options.pannable !== false) {
this.scroller.enable();
}
this.trigger(ZOOM_END, {
point: this._initialCenter,
zoom: this.zoom()
});
},
_resize: function () {
var viewport = this.viewport();
if (this.canvas) {
this.canvas.size(viewport);
}
if (this.scrollable && this.toolBar) {
this.scrollable.height(viewport.height);
}
},
_mouseover: function (e) {
var node = e.target._kendoNode;
if (node && node.srcElement._hover) {
node.srcElement._hover(true, node.srcElement);
}
},
_mouseout: function (e) {
var node = e.target._kendoNode;
if (node && node.srcElement._hover) {
node.srcElement._hover(false, node.srcElement);
}
},
_initTheme: function () {
var that = this, themes = dataviz.ui.themes || {}, themeName = ((that.options || {}).theme || '').toLowerCase(), themeOptions = (themes[themeName] || {}).diagram;
that.options = deepExtend({}, themeOptions, that.options);
if (that.options.editable === true) {
deepExtend(that.options, { editable: (themeOptions || {}).editable });
}
},
_createOptionElements: function () {
var options = this.options;
var shapesLength = options.shapes.length;
if (shapesLength) {
this._createShapes();
}
if (options.connections.length) {
this._createConnections();
}
if (shapesLength && options.layout) {
this.layout(options.layout);
}
},
_createShapes: function () {
var that = this, options = that.options, shapes = options.shapes, shape, i;
for (i = 0; i < shapes.length; i++) {
shape = shapes[i];
that.addShape(shape);
}
},
_createConnections: function () {
var diagram = this, options = diagram.options, defaults = options.connectionDefaults, connections = options.connections, conn, source, target, i;
for (i = 0; i < connections.length; i++) {
conn = connections[i];
source = diagram._findConnectionTarget(conn.from);
target = diagram._findConnectionTarget(conn.to);
diagram.connect(source, target, deepExtend({}, defaults, conn));
}
},
_findConnectionTarget: function (options) {
var diagram = this;
var shapeId = isString(options) ? options : options.shapeId || options.id;
var target;
if (shapeId) {
target = diagram.getShapeById(shapeId);
if (options.connector) {
target = target.getConnector(options.connector);
}
} else {
target = new Point(options.x || 0, options.y || 0);
}
return target;
},
destroy: function () {
var that = this;
Widget.fn.destroy.call(that);
if (this._userEvents) {
this._userEvents.destroy();
}
kendo.unbindResize(that._resizeHandler);
that.clear();
that.element.off(NS);
that.scroller.wrapper.off(NS);
that.canvas.destroy(true);
that.canvas = undefined;
that._destroyEditor();
that.destroyScroller();
that._destroyGlobalToolBar();
that._destroyToolBar();
},
destroyScroller: function () {
var scroller = this.scroller;
if (!scroller) {
return;
}
scroller.destroy();
scroller.element.remove();
this.scroller = null;
},
save: function () {
var json = {
shapes: [],
connections: []
};
var i, connection, shape;
for (i = 0; i < this.shapes.length; i++) {
shape = this.shapes[i];
if (shape.options.serializable) {
json.shapes.push(shape.options);
}
}
for (i = 0; i < this.connections.length; i++) {
connection = this.connections[i];
json.connections.push(deepExtend({}, connection.options, connection.toJSON()));
}
return json;
},
focus: function () {
if (!this.element.is(kendo._activeElement())) {
var element = this.element, scrollContainer = element[0], containers = [], offsets = [], documentElement = document.documentElement, i;
do {
scrollContainer = scrollContainer.parentNode;
if (scrollContainer.scrollHeight > scrollContainer.clientHeight) {
containers.push(scrollContainer);
offsets.push(scrollContainer.scrollTop);
}
} while (scrollContainer != documentElement);
element.focus();
for (i = 0; i < containers.length; i++) {
containers[i].scrollTop = offsets[i];
}
}
},
load: function (options) {
this.clear();
this.setOptions(options);
this._createShapes();
this._createConnections();
},
setOptions: function (options) {
deepExtend(this.options, options);
},
clear: function () {
var that = this;
that.select(false);
that.mainLayer.clear();
that._shapesQuadTree.clear();
that._initialize();
},
connect: function (source, target, options) {
var connection;
if (this.connectionsDataSource && this._isEditable) {
var dataItem = this.connectionsDataSource.add({});
connection = this._connectionsDataMap[dataItem.uid];
connection.source(source);
connection.target(target);
connection.redraw(options);
connection.updateModel();
} else {
connection = new Connection(source, target, deepExtend({}, this.options.connectionDefaults, options));
this.addConnection(connection);
}
return connection;
},
connected: function (source, target) {
for (var i = 0; i < this.connections.length; i++) {
var c = this.connections[i];
if (c.from == source && c.to == target) {
return true;
}
}
return false;
},
addConnection: function (connection, undoable) {
if (undoable !== false) {
this.undoRedoService.add(new diagram.AddConnectionUnit(connection, this), false);
}
connection.diagram = this;
connection._setOptionsFromModel();
connection.refresh();
this.mainLayer.append(connection.visual);
this.connections.push(connection);
this.trigger(CHANGE, {
added: [connection],
removed: []
});
return connection;
},
_addConnection: function (connection, undoable) {
var connectionsDataSource = this.connectionsDataSource;
var dataItem;
if (connectionsDataSource && this._isEditable) {
dataItem = createModel(connectionsDataSource, cloneDataItem(connection.dataItem));
connection.dataItem = dataItem;
connection.updateModel();
if (!this.trigger('add', { connection: connection })) {
this._connectionsDataMap[dataItem.uid] = connection;
connectionsDataSource.add(dataItem);
this.addConnection(connection, undoable);
connection._updateConnectors();
return connection;
}
} else if (!this.trigger('add', { connection: connection })) {
this.addConnection(connection, undoable);
connection._updateConnectors();
return connection;
}
},
addShape: function (item, undoable) {
var shape, shapeDefaults = this.options.shapeDefaults;
if (item instanceof Shape) {
shape = item;
} else if (!(item instanceof kendo.Class)) {
shapeDefaults = deepExtend({}, shapeDefaults, item || {});
shape = new Shape(shapeDefaults, this);
} else {
return;
}
if (undoable !== false) {
this.undoRedoService.add(new diagram.AddShapeUnit(shape, this), false);
}
this.shapes.push(shape);
if (shape.diagram !== this) {
this._shapesQuadTree.insert(shape);
shape.diagram = this;
}
this.mainLayer.append(shape.visual);
this.trigger(CHANGE, {
added: [shape],
removed: []
});
return shape;
},
_addShape: function (shape, undoable) {
var that = this;
var dataSource = that.dataSource;
var dataItem;
if (dataSource && this._isEditable) {
dataItem = createModel(dataSource, cloneDataItem(shape.dataItem));
shape.dataItem = dataItem;
shape.updateModel();
if (!this.trigger('add', { shape: shape })) {
this.dataSource.add(dataItem);
var inactiveItem = this._inactiveShapeItems.getByUid(dataItem.uid);
inactiveItem.element = shape;
inactiveItem.undoable = undoable;
return shape;
}
} else if (!this.trigger('add', { shape: shape })) {
return this.addShape(shape, undoable);
}
},
remove: function (items, undoable) {
items = isArray(items) ? items.slice(0) : [items];
var elements = splitDiagramElements(items);
var shapes = elements.shapes;
var connections = elements.connections;
var i;
if (!defined(undoable)) {
undoable = true;
}
if (undoable) {
this.undoRedoService.begin();
}
this._suspendModelRefresh();
for (i = shapes.length - 1; i >= 0; i--) {
this._removeItem(shapes[i], undoable, connections);
}
for (i = connections.length - 1; i >= 0; i--) {
this._removeItem(connections[i], undoable);
}
this._resumeModelRefresh();
if (undoable) {
this.undoRedoService.commit(false);
}
this.trigger(CHANGE, {
added: [],
removed: items
});
},
_removeShapeDataItem: function (item) {
if (this._isEditable) {
this.dataSource.remove(item.dataItem);
delete this._dataMap[item.dataItem.id];
}
},
_removeConnectionDataItem: function (item) {
if (this._isEditable) {
this.connectionsDataSource.remove(item.dataItem);
delete this._connectionsDataMap[item.dataItem.uid];
}
},
_triggerRemove: function (items) {
var toRemove = [];
var item, args, editable;
for (var idx = 0; idx < items.length; idx++) {
item = items[idx];
editable = item.options.editable;
if (item instanceof Shape) {
args = { shape: item };
} else {
args = { connection: item };
}
if (editable && editable.remove !== false && !this.trigger('remove', args)) {
toRemove.push(item);
}
}
return toRemove;
},
undo: function () {
this.undoRedoService.undo();
},
redo: function () {
this.undoRedoService.redo();
},
select: function (item, options) {
if (isDefined(item)) {
options = deepExtend({ addToSelection: false }, options);
var addToSelection = options.addToSelection, items = [], selected = [], i, element;
if (!addToSelection) {
this.deselect();
}
this._internalSelection = true;
if (item instanceof Array) {
items = item;
} else if (item instanceof DiagramElement) {
items = [item];
}
for (i = 0; i < items.length; i++) {
element = items[i];
if (element.select(true)) {
selected.push(element);
}
}
this._selectionChanged(selected, []);
this._internalSelection = false;
} else {
return this._selectedItems;
}
},
selectAll: function () {
this.select(this.shapes.concat(this.connections));
},
selectArea: function (rect) {
var i, items, item;
this._internalSelection = true;
var selected = [];
if (rect instanceof Rect) {
items = this.shapes.concat(this.connections);
for (i = 0; i < items.length; i++) {
item = items[i];
if ((!rect || item._hitTest(rect)) && item.options.enable) {
if (item.select(true)) {
selected.push(item);
}
}
}
}
this._selectionChanged(selected, []);
this._internalSelection = false;
},
deselect: function (item) {
this._internalSelection = true;
var deselected = [], items = [], element, i;
if (item instanceof Array) {
items = item;
} else if (item instanceof DiagramElement) {
items.push(item);
} else if (!isDefined(item)) {
items = this._selectedItems.slice(0);
}
for (i = 0; i < items.length; i++) {
element = items[i];
if (element.select(false)) {
deselected.push(element);
}
}
this._selectionChanged([], deselected);
this._internalSelection = false;
},
toFront: function (items, undoable) {
if (!items) {
items = this._selectedItems.slice();
}
var result = this._getDiagramItems(items), indices;
if (!defined(undoable) || undoable) {
indices = indicesOfItems(this.mainLayer, result.visuals);
var unit = new ToFrontUnit(this, items, indices);
this.undoRedoService.add(unit);
} else {
this.mainLayer.toFront(result.visuals);
this._fixOrdering(result, true);
}
},
toBack: function (items, undoable) {
if (!items) {
items = this._selectedItems.slice();
}
var result = this._getDiagramItems(items), indices;
if (!defined(undoable) || undoable) {
indices = indicesOfItems(this.mainLayer, result.visuals);
var unit = new ToBackUnit(this, items, indices);
this.undoRedoService.add(unit);
} else {
this.mainLayer.toBack(result.visuals);
this._fixOrdering(result, false);
}
},
bringIntoView: function (item, options) {
var viewport = this.viewport();
var aligner = new diagram.RectAlign(viewport);
var current, rect, original, newPan;
if (viewport.width === 0 || viewport.height === 0) {
return;
}
options = deepExtend({
animate: false,
align: 'center middle'
}, options);
if (options.align == 'none') {
options.align = 'center middle';
}
if (item instanceof DiagramElement) {
rect = item.bounds(TRANSFORMED);
} else if (isArray(item)) {
rect = this.boundingBox(item);
} else if (item instanceof Rect) {
rect = item.clone();
}
original = rect.clone();
rect.zoom(this._zoom);
if (rect.width > viewport.width || rect.height > viewport.height) {
this._zoom = this._getValidZoom(math.min(viewport.width / original.width, viewport.height / original.height));
rect = original.clone().zoom(this._zoom);
}
this._zoomMainLayer();
current = rect.clone();
aligner.align(rect, options.align);
newPan = rect.topLeft().minus(current.topLeft());
this.pan(newPan.times(-1), options.animate);
},
alignShapes: function (direction) {
if (isUndefined(direction)) {
direction = 'Left';
}
var items = this.select(), val, item, i;
if (items.length === 0) {
return;
}
switch (direction.toLowerCase()) {
case 'left':
case 'top':
val = MAX_VALUE;
break;
case 'right':
case 'bottom':
val = MIN_VALUE;
break;
}
for (i = 0; i < items.length; i++) {
item = items[i];
if (item instanceof Shape) {
switch (direction.toLowerCase()) {
case 'left':
val = math.min(val, item.options.x);
break;
case 'top':
val = math.min(val, item.options.y);
break;
case 'right':
val = math.max(val, item.options.x);
break;
case 'bottom':
val = math.max(val, item.options.y);
break;
}
}
}
var undoStates = [];
var shapes = [];
for (i = 0; i < items.length; i++) {
item = items[i];
if (item instanceof Shape) {
shapes.push(item);
undoStates.push(item.bounds());
switch (direction.toLowerCase()) {
case 'left':
case 'right':
item.position(new Point(val, item.options.y));
break;
case 'top':
case 'bottom':
item.position(new Point(item.options.x, val));
break;
}
}
}
var unit = new diagram.TransformUnit(shapes, undoStates);
this.undoRedoService.add(unit, false);
},
zoom: function (zoom, options) {
if (zoom) {
var staticPoint = options ? options.point : new diagram.Point(0, 0);
zoom = this._zoom = this._getValidZoom(zoom);
if (!isUndefined(staticPoint)) {
staticPoint = new diagram.Point(math.round(staticPoint.x), math.round(staticPoint.y));
var zoomedPoint = staticPoint.times(zoom);
var viewportVector = this.modelToView(staticPoint);
var raw = viewportVector.minus(zoomedPoint);
this._storePan(new diagram.Point(math.round(raw.x), math.round(raw.y)));
}
if (options) {
options.zoom = zoom;
}
this._panTransform();
this._updateAdorners();
}
return this._zoom;
},
_getPan: function (pan) {
var canvas = this.canvas;
if (!canvas.translate) {
pan = pan.plus(this._pan);
}
return pan;
},
pan: function (pan, animate) {
if (pan instanceof Point) {
var that = this;
var scroller = that.scroller;
pan = that._getPan(pan);
pan = pan.times(-1);
if (animate) {
scroller.animatedScrollTo(pan.x, pan.y, function () {
that._updateAdorners();
});
} else {
scroller.scrollTo(pan.x, pan.y);
that._updateAdorners();
}
}
},
viewport: function () {
var element = this.element;
var width = element.width();
var height = element.height();
if (this.toolBar) {
height -= this.toolBar.element.outerHeight();
}
return new Rect(0, 0, width, height);
},
copy: function () {
if (this.options.copy.enabled) {
this._clipboard = [];
this._copyOffset = 1;
for (var i = 0; i < this._selectedItems.length; i++) {
var item = this._selectedItems[i];
this._clipboard.push(item);
}
}
},
cut: function () {
if (this.options.copy.enabled) {
this._clipboard = [];
this._copyOffset = 0;
for (var i = 0; i < this._selectedItems.length; i++) {
var item = this._selectedItems[i];
this._clipboard.push(item);
}
this.remove(this._clipboard, true);
}
},
paste: function () {
if (this._clipboard.length > 0) {
var item, copied, i;
var mapping = {};
var elements = splitDiagramElements(this._clipboard);
var connections = elements.connections;
var shapes = elements.shapes;
var offset = {
x: this._copyOffset * this.options.copy.offsetX,
y: this._copyOffset * this.options.copy.offsetY
};
this.deselect();
for (i = 0; i < shapes.length; i++) {
item = shapes[i];
copied = item.clone();
mapping[item.id] = copied;
copied.position(new Point(item.options.x + offset.x, item.options.y + offset.y));
copied.diagram = this;
copied = this._addShape(copied);
if (copied) {
copied.select();
}
}
for (i = 0; i < connections.length; i++) {
item = connections[i];
copied = this._addConnection(item.clone());
if (copied) {
this._updateCopiedConnection(copied, item, 'source', mapping, offset);
this._updateCopiedConnection(copied, item, 'target', mapping, offset);
copied.select(true);
copied.updateModel();
}
}
this._syncChanges();
this._copyOffset += 1;
}
},
_updateCopiedConnection: function (connection, sourceConnection, connectorName, mapping, offset) {
var onActivate, inactiveItem, targetShape;
var target = sourceConnection[connectorName]();
var diagram = this;
if (target instanceof Connector && mapping[target.shape.id]) {
targetShape = mapping[target.shape.id];
if (diagram.getShapeById(targetShape.id)) {
connection[connectorName](targetShape.getConnector(target.options.name));
} else {
inactiveItem = diagram._inactiveShapeItems.getByUid(targetShape.dataItem.uid);
if (inactiveItem) {
onActivate = function (item) {
targetShape = diagram._dataMap[item.id];
connection[connectorName](targetShape.getConnector(target.options.name));
connection.updateModel();
};
diagram._deferredConnectionUpdates.push(inactiveItem.onActivate(onActivate));
}
}
} else {
connection[connectorName](new Point(sourceConnection[connectorName + 'Point']().x + offset.x, sourceConnection[connectorName + 'Point']().y + offset.y));
}
},
boundingBox: function (items, origin) {
var rect = Rect.empty(), temp, di = isDefined(items) ? this._getDiagramItems(items) : { shapes: this.shapes };
if (di.shapes.length > 0) {
var item = di.shapes[0];
rect = item.bounds(ROTATED);
for (var i = 1; i < di.shapes.length; i++) {
item = di.shapes[i];
temp = item.bounds(ROTATED);
if (origin === true) {
temp.x -= item._rotationOffset.x;
temp.y -= item._rotationOffset.y;
}
rect = rect.union(temp);
}
}
return rect;
},
_containerOffset: function () {
var containerOffset = this.element.offset();
if (this.toolBar) {
containerOffset.top += this.toolBar.element.outerHeight();
}
return containerOffset;
},
documentToView: function (point) {
var containerOffset = this._containerOffset();
return new Point(point.x - containerOffset.left, point.y - containerOffset.top);
},
viewToDocument: function (point) {
var containerOffset = this._containerOffset();
return new Point(point.x + containerOffset.left, point.y + containerOffset.top);
},
viewToModel: function (point) {
return this._transformWithMatrix(point, this._matrixInvert);
},
modelToView: function (point) {
return this._transformWithMatrix(point, this._matrix);
},
modelToLayer: function (point) {
return this._transformWithMatrix(point, this._layerMatrix);
},
layerToModel: function (point) {
return this._transformWithMatrix(point, this._layerMatrixInvert);
},
documentToModel: function (point) {
var viewPoint = this.documentToView(point);
if (!this.canvas.translate) {
viewPoint.x = viewPoint.x + this.scroller.scrollLeft;
viewPoint.y = viewPoint.y + this.scroller.scrollTop;
}
return this.viewToModel(viewPoint);
},
modelToDocument: function (point) {
return this.viewToDocument(this.modelToView(point));
},
_transformWithMatrix: function (point, matrix) {
var result = point;
if (point instanceof Point) {
if (matrix) {
result = matrix.apply(point);
}
} else {
var tl = this._transformWithMatrix(point.topLeft(), matrix), br = this._transformWithMatrix(point.bottomRight(), matrix);
result = Rect.fromPoints(tl, br);
}
return result;
},
setDataSource: function (dataSource) {
this.options.dataSource = dataSource;
this._dataSource();
if (this.options.autoBind) {
this.dataSource.fetch();
}
},
setConnectionsDataSource: function (dataSource) {
this.options.connectionsDataSource = dataSource;
this._connectionDataSource();
if (this.options.autoBind) {
this.connectionsDataSource.fetch();
}
},
layout: function (options) {
this._layouting = true;
var type;
if (isUndefined(options)) {
options = this.options.layout;
}
if (isUndefined(options) || isUndefined(options.type)) {
type = 'Tree';
} else {
type = options.type;
}
var l;
switch (type.toLowerCase()) {
case 'tree':
l = new diagram.TreeLayout(this);
break;
case 'layered':
l = new diagram.LayeredLayout(this);
break;
case 'forcedirected':
case 'force':
case 'spring':
case 'springembedder':
l = new diagram.SpringLayout(this);
break;
default:
throw 'Layout algorithm \'' + type + '\' is not supported.';
}
var initialState = new diagram.LayoutState(this);
var finalState = l.layout(options);
if (finalState) {
var unit = new diagram.LayoutUndoUnit(initialState, finalState, options ? options.animate : null);
this.undoRedoService.add(unit);
}
this._layouting = false;
this._redrawConnections();
},
getShapeById: function (id) {
var found;
found = Utils.first(this.shapes, function (s) {
return s.visual.id === id;
});
if (found) {
return found;
}
found = Utils.first(this.connections, function (c) {
return c.visual.id === id;
});
return found;
},
_extendLayoutOptions: function (options) {
if (options.layout) {
options.layout = deepExtend(diagram.LayoutBase.fn.defaultOptions || {}, options.layout);
}
},
_selectionChanged: function (selected, deselected) {
if (selected.length || deselected.length) {
this.trigger(SELECT, {
selected: selected,
deselected: deselected
});
}
},
_getValidZoom: function (zoom) {
return math.min(math.max(zoom, this.options.zoomMin), this.options.zoomMax);
},
_panTransform: function (pos) {
var diagram = this, pan = pos || diagram._pan;
if (diagram.canvas.translate) {
diagram.scroller.scrollTo(pan.x, pan.y);
diagram._zoomMainLayer();
} else {
diagram._storePan(pan);
diagram._transformMainLayer();
}
},
_finishPan: function () {
this.trigger(PAN, {
total: this._pan,
delta: Number.NaN
});
},
_storePan: function (pan) {
this._pan = pan;
this._storeViewMatrix();
},
_zoomMainLayer: function () {
var zoom = this._zoom;
var transform = new CompositeTransform(0, 0, zoom, zoom);
transform.render(this.mainLayer);
this._storeLayerMatrix(transform);
this._storeViewMatrix();
},
_transformMainLayer: function () {
var pan = this._pan, zoom = this._zoom;
var transform = new CompositeTransform(pan.x, pan.y, zoom, zoom);
transform.render(this.mainLayer);
this._storeLayerMatrix(transform);
this._storeViewMatrix();
},
_storeLayerMatrix: function (canvasTransform) {
this._layerMatrix = canvasTransform.toMatrix();
this._layerMatrixInvert = canvasTransform.invert().toMatrix();
},
_storeViewMatrix: function () {
var pan = this._pan, zoom = this._zoom;
var transform = new CompositeTransform(pan.x, pan.y, zoom, zoom);
this._matrix = transform.toMatrix();
this._matrixInvert = transform.invert().toMatrix();
},
_toIndex: function (items, indices) {
var result = this._getDiagramItems(items);
this.mainLayer.toIndex(result.visuals, indices);
this._fixOrdering(result, false);
},
_fixOrdering: function (result, toFront) {
var shapePos = toFront ? this.shapes.length - 1 : 0, conPos = toFront ? this.connections.length - 1 : 0, i, item;
for (i = 0; i < result.shapes.length; i++) {
item = result.shapes[i];
Utils.remove(this.shapes, item);
Utils.insert(this.shapes, item, shapePos);
}
for (i = 0; i < result.cons.length; i++) {
item = result.cons[i];
Utils.remove(this.connections, item);
Utils.insert(this.connections, item, conPos);
}
},
_getDiagramItems: function (items) {
var i, result = {}, args = items;
result.visuals = [];
result.shapes = [];
result.cons = [];
if (!items) {
args = this._selectedItems.slice();
} else if (!isArray(items)) {
args = [items];
}
for (i = 0; i < args.length; i++) {
var item = args[i];
if (item instanceof Shape) {
result.shapes.push(item);
result.visuals.push(item.visual);
} else if (item instanceof Connection) {
result.cons.push(item);
result.visuals.push(item.visual);
}
}
return result;
},
_removeItem: function (item, undoable, removedConnections) {
item.select(false);
if (item instanceof Shape) {
this._removeShapeDataItem(item);
this._removeShape(item, undoable, removedConnections);
} else if (item instanceof Connection) {
this._removeConnectionDataItem(item);
this._removeConnection(item, undoable);
}
this.mainLayer.remove(item.visual);
},
_removeShape: function (shape, undoable, removedConnections) {
var i, connection, connector, sources = [], targets = [];
this.toolService._removeHover();
if (undoable) {
this.undoRedoService.addCompositeItem(new DeleteShapeUnit(shape));
}
Utils.remove(this.shapes, shape);
this._shapesQuadTree.remove(shape);
for (i = 0; i < shape.connectors.length; i++) {
connector = shape.connectors[i];
for (var j = 0; j < connector.connections.length; j++) {
connection = connector.connections[j];
if (!removedConnections || !dataviz.inArray(connection, removedConnections)) {
if (connection.sourceConnector == connector) {
sources.push(connection);
} else if (connection.targetConnector == connector) {
targets.push(connection);
}
}
}
}
for (i = 0; i < sources.length; i++) {
sources[i].source(null, undoable);
sources[i].updateModel();
}
for (i = 0; i < targets.length; i++) {
targets[i].target(null, undoable);
targets[i].updateModel();
}
},
_removeConnection: function (connection, undoable) {
if (connection.sourceConnector) {
Utils.remove(connection.sourceConnector.connections, connection);
}
if (connection.targetConnector) {
Utils.remove(connection.targetConnector.connections, connection);
}
if (undoable) {
this.undoRedoService.addCompositeItem(new DeleteConnectionUnit(connection));
}
Utils.remove(this.connections, connection);
},
_removeDataItems: function (items, recursive) {
var item, children, shape, idx;
items = isArray(items) ? items : [items];
while (items.length) {
item = items.shift();
shape = this._dataMap[item.uid];
if (shape) {
this._removeShapeConnections(shape);
this._removeItem(shape, false);
delete this._dataMap[item.uid];
if (recursive && item.hasChildren && item.loaded()) {
children = item.children.data();
for (idx = 0; idx < children.length; idx++) {
items.push(children[idx]);
}
}
}
}
},
_removeShapeConnections: function (shape) {
var connections = shape.connections();
var idx;
if (connections) {
for (idx = 0; idx < connections.length; idx++) {
this._removeItem(connections[idx], false);
}
}
},
_addDataItem: function (dataItem, undoable) {
if (!defined(dataItem)) {
return;
}
var shape = this._dataMap[dataItem.id];
if (shape) {
return shape;
}
var options = deepExtend({}, this.options.shapeDefaults);
options.dataItem = dataItem;
shape = new Shape(options, this);
this.addShape(shape, undoable !== false);
this._dataMap[dataItem.id] = shape;
return shape;
},
_addDataItemByUid: function (dataItem) {
if (!defined(dataItem)) {
return;
}
var shape = this._dataMap[dataItem.uid];
if (shape) {
return shape;
}
var options = deepExtend({}, this.options.shapeDefaults);
options.dataItem = dataItem;
shape = new Shape(options, this);
this.addShape(shape);
this._dataMap[dataItem.uid] = shape;
return shape;
},
_addDataItems: function (items, parent) {
var item, idx, shape, parentShape, connection;
for (idx = 0; idx < items.length; idx++) {
item = items[idx];
shape = this._addDataItemByUid(item);
parentShape = this._addDataItemByUid(parent);
if (parentShape && !this.connected(parentShape, shape)) {
connection = this.connect(parentShape, shape);
}
}
},
_refreshSource: function (e) {
var that = this, node = e.node, action = e.action, items = e.items, options = that.options, idx, dataBound;
if (e.field) {
return;
}
if (action == 'remove') {
this._removeDataItems(e.items, true);
} else {
if ((!action || action === 'itemloaded') && !this._bindingRoots) {
this._bindingRoots = true;
dataBound = true;
}
if (!action && !node) {
that.clear();
}
this._addDataItems(items, node);
for (idx = 0; idx < items.length; idx++) {
items[idx].load();
}
}
if (options.layout && (dataBound || action == 'remove' || action == 'add')) {
that.layout(options.layout);
}
if (dataBound) {
this.trigger('dataBound');
this._bindingRoots = false;
}
},
_mouseDown: function (e) {
var p = this._calculatePosition(e);
if (e.which == 1 && this.toolService.start(p, this._meta(e))) {
this._destroyToolBar();
e.preventDefault();
}
},
_addItem: function (item) {
if (item instanceof Shape) {
this.addShape(item);
} else if (item instanceof Connection) {
this.addConnection(item);
}
},
_mouseUp: function (e) {
var p = this._calculatePosition(e);
if (e.which == 1 && this.toolService.end(p, this._meta(e))) {
this._createToolBar();
e.preventDefault();
}
},
_createToolBar: function () {
var diagram = this.toolService.diagram;
if (!this.singleToolBar && diagram.select().length === 1) {
var element = diagram.select()[0];
if (element && element.options.editable !== false) {
var editable = element.options.editable;
var tools = editable.tools;
if (this._isEditable && tools.length === 0) {
if (element instanceof Shape) {
tools = [
'edit',
'rotateClockwise',
'rotateAnticlockwise'
];
} else if (element instanceof Connection) {
tools = ['edit'];
}
if (editable && editable.remove !== false) {
tools.push('delete');
}
}
if (tools && tools.length) {
var padding = 20;
var point;
this.singleToolBar = new DiagramToolBar(diagram, {
tools: tools,
click: proxy(this._toolBarClick, this),
modal: true
});
var popupWidth = this.singleToolBar._popup.element.outerWidth();
var popupHeight = this.singleToolBar._popup.element.outerHeight();
if (element instanceof Shape) {
var shapeBounds = this.modelToView(element.bounds(ROTATED));
point = Point(shapeBounds.x, shapeBounds.y).minus(Point((popupWidth - shapeBounds.width) / 2, popupHeight + padding));
} else if (element instanceof Connection) {
var connectionBounds = this.modelToView(element.bounds());
point = Point(connectionBounds.x, connectionBounds.y).minus(Point((popupWidth - connectionBounds.width - 20) / 2, popupHeight + padding));
}
if (point) {
if (!this.canvas.translate) {
point = point.minus(Point(this.scroller.scrollLeft, this.scroller.scrollTop));
}
point = this.viewToDocument(point);
point = Point(math.max(point.x, 0), math.max(point.y, 0));
this.singleToolBar.showAt(point);
} else {
this._destroyToolBar();
}
}
}
}
},
_toolBarClick: function (e) {
this.trigger('toolBarClick', e);
this._destroyToolBar();
},
_mouseMove: function (e) {
if (this.pauseMouseHandlers) {
return;
}
var p = this._calculatePosition(e);
if ((e.which === 0 || e.which == 1) && this.toolService.move(p, this._meta(e))) {
e.preventDefault();
}
},
_keydown: function (e) {
if (this.toolService.keyDown(e.keyCode, this._meta(e))) {
e.preventDefault();
}
},
_wheel: function (e) {
var delta = mwDelta(e), p = this._calculatePosition(e), meta = deepExtend(this._meta(e), { delta: delta });
if (this.toolService.wheel(p, meta)) {
e.preventDefault();
}
},
_meta: function (e) {
return {
ctrlKey: e.ctrlKey,
metaKey: e.metaKey,
altKey: e.altKey,
shiftKey: e.shiftKey
};
},
_calculatePosition: function (e) {
var pointEvent = e.pageX === undefined ? e.originalEvent : e, point = new Point(pointEvent.pageX, pointEvent.pageY), offset = this.documentToModel(point);
return offset;
},
_normalizePointZoom: function (point) {
return point.times(1 / this.zoom());
},
_initialize: function () {
this.shapes = [];
this._selectedItems = [];
this.connections = [];
this._dataMap = {};
this._connectionsDataMap = {};
this._inactiveShapeItems = new InactiveItemsCollection();
this._deferredConnectionUpdates = [];
this.undoRedoService = new UndoRedoService({
undone: this._syncHandler,
redone: this._syncHandler
});
this.id = diagram.randomId();
},
_fetchFreshData: function () {
var that = this;
that._dataSource();
if (that._isEditable) {
that._connectionDataSource();
}
if (that.options.autoBind) {
if (that._isEditable) {
this._loadingShapes = true;
this._loadingConnections = true;
that.dataSource.fetch();
that.connectionsDataSource.fetch();
} else {
that.dataSource.fetch();
}
}
},
_dataSource: function () {
if (defined(this.options.connectionsDataSource)) {
this._isEditable = true;
var dsOptions = this.options.dataSource || {};
var ds = isArray(dsOptions) ? { data: dsOptions } : dsOptions;
if (this.dataSource && this._shapesRefreshHandler) {
this.dataSource.unbind('change', this._shapesRefreshHandler).unbind('requestStart', this._shapesRequestStartHandler).unbind('error', this._shapesErrorHandler);
} else {
this._shapesRefreshHandler = proxy(this._refreshShapes, this);
this._shapesRequestStartHandler = proxy(this._shapesRequestStart, this);
this._shapesErrorHandler = proxy(this._error, this);
}
this.dataSource = kendo.data.DataSource.create(ds).bind('change', this._shapesRefreshHandler).bind('requestStart', this._shapesRequestStartHandler).bind('error', this._shapesErrorHandler);
} else {
this._treeDataSource();
this._isEditable = false;
}
},
_connectionDataSource: function () {
var dsOptions = this.options.connectionsDataSource;
if (dsOptions) {
var ds = isArray(dsOptions) ? { data: dsOptions } : dsOptions;
if (this.connectionsDataSource && this._connectionsRefreshHandler) {
this.connectionsDataSource.unbind('change', this._connectionsRefreshHandler).unbind('requestStart', this._connectionsRequestStartHandler).unbind('error', this._connectionsErrorHandler);
} else {
this._connectionsRefreshHandler = proxy(this._refreshConnections, this);
this._connectionsRequestStartHandler = proxy(this._connectionsRequestStart, this);
this._connectionsErrorHandler = proxy(this._connectionsError, this);
}
this.connectionsDataSource = kendo.data.DataSource.create(ds).bind('change', this._connectionsRefreshHandler).bind('requestStart', this._connectionsRequestStartHandler).bind('error', this._connectionsErrorHandler);
}
},
_shapesRequestStart: function (e) {
if (e.type == 'read') {
this._loadingShapes = true;
}
},
_connectionsRequestStart: function (e) {
if (e.type == 'read') {
this._loadingConnections = true;
}
},
_error: function () {
this._loadingShapes = false;
},
_connectionsError: function () {
this._loadingConnections = false;
},
_refreshShapes: function (e) {
if (e.action === 'remove') {
if (this._shouldRefresh()) {
this._removeShapes(e.items);
}
} else if (e.action === 'itemchange') {
if (this._shouldRefresh()) {
this._updateShapes(e.items, e.field);
}
} else if (e.action === 'add') {
this._inactiveShapeItems.add(e.items);
} else if (e.action === 'sync') {
this._syncShapes(e.items);
} else {
this.refresh();
}
},
_shouldRefresh: function () {
return !this._suspended;
},
_suspendModelRefresh: function () {
this._suspended = (this._suspended || 0) + 1;
},
_resumeModelRefresh: function () {
this._suspended = math.max((this._suspended || 0) - 1, 0);
},
refresh: function () {
this._loadingShapes = false;
if (!this._loadingConnections) {
this._rebindShapesAndConnections();
}
},
_rebindShapesAndConnections: function () {
this.clear();
this._addShapes(this.dataSource.view());
if (this.connectionsDataSource) {
this._addConnections(this.connectionsDataSource.view(), false);
}
if (this.options.layout) {
this.layout(this.options.layout);
} else {
this._redrawConnections();
}
this.trigger('dataBound');
},
refreshConnections: function () {
this._loadingConnections = false;
if (!this._loadingShapes) {
this._rebindShapesAndConnections();
}
},
_redrawConnections: function () {
var connections = this.connections;
for (var idx = 0; idx < connections.length; idx++) {
connections[idx].refresh();
}
},
_removeShapes: function (items) {
var dataMap = this._dataMap;
var item, i;
for (i = 0; i < items.length; i++) {
item = items[i];
if (dataMap[item.id]) {
this.remove(dataMap[item.id], false);
dataMap[item.id] = null;
}
}
},
_syncShapes: function () {
var diagram = this;
var inactiveItems = diagram._inactiveShapeItems;
inactiveItems.forEach(function (inactiveItem) {
var dataItem = inactiveItem.dataItem;
var shape = inactiveItem.element;
if (!dataItem.isNew()) {
if (shape) {
shape._setOptionsFromModel();
diagram.addShape(shape, inactiveItem.undoable);
diagram._dataMap[dataItem.id] = shape;
} else {
diagram._addDataItem(dataItem);
}
inactiveItem.activate();
inactiveItems.remove(dataItem);
}
});
},
_updateShapes: function (items, field) {
for (var i = 0; i < items.length; i++) {
var dataItem = items[i];
var shape = this._dataMap[dataItem.id];
if (shape) {
shape.updateOptionsFromModel(dataItem, field);
}
}
},
_addShapes: function (dataItems) {
for (var i = 0; i < dataItems.length; i++) {
this._addDataItem(dataItems[i], false);
}
},
_refreshConnections: function (e) {
if (e.action === 'remove') {
if (this._shouldRefresh()) {
this._removeConnections(e.items);
}
} else if (e.action === 'add') {
this._addConnections(e.items);
} else if (e.action === 'sync') {
} else if (e.action === 'itemchange') {
if (this._shouldRefresh()) {
this._updateConnections(e.items);
}
} else {
this.refreshConnections();
}
},
_removeConnections: function (items) {
for (var i = 0; i < items.length; i++) {
this.remove(this._connectionsDataMap[items[i].uid], false);
this._connectionsDataMap[items[i].uid] = null;
}
},
_updateConnections: function (items) {
for (var i = 0; i < items.length; i++) {
var dataItem = items[i];
var connection = this._connectionsDataMap[dataItem.uid];
connection.updateOptionsFromModel(dataItem);
}
},
_addConnections: function (connections, undoable) {
var length = connections.length;
for (var i = 0; i < length; i++) {
var dataItem = connections[i];
this._addConnectionDataItem(dataItem, undoable);
}
},
_addConnectionDataItem: function (dataItem, undoable) {
if (!this._connectionsDataMap[dataItem.uid]) {
var from = this._validateConnector(dataItem.from);
if (!defined(from) || from === null) {
from = new Point(dataItem.fromX, dataItem.fromY);
}
var to = this._validateConnector(dataItem.to);
if (!defined(to) || to === null) {
to = new Point(dataItem.toX, dataItem.toY);
}
if (defined(from) && defined(to)) {
var options = deepExtend({}, this.options.connectionDefaults);
options.dataItem = dataItem;
var connection = new Connection(from, to, options);
this._connectionsDataMap[dataItem.uid] = connection;
this.addConnection(connection, undoable);
}
}
},
_validateConnector: function (value) {
var connector;
if (defined(value) && value !== null) {
connector = this._dataMap[value];
}
return connector;
},
_treeDataSource: function () {
var that = this, options = that.options, dataSource = options.dataSource;
dataSource = isArray(dataSource) ? { data: dataSource } : dataSource;
if (!dataSource.fields) {
dataSource.fields = [
{ field: 'text' },
{ field: 'url' },
{ field: 'spriteCssClass' },
{ field: 'imageUrl' }
];
}
if (that.dataSource && that._refreshHandler) {
that._unbindDataSource();
}
that._refreshHandler = proxy(that._refreshSource, that);
that._errorHandler = proxy(that._error, that);
that.dataSource = HierarchicalDataSource.create(dataSource).bind(CHANGE, that._refreshHandler).bind(ERROR, that._errorHandler);
},
_unbindDataSource: function () {
var that = this;
that.dataSource.unbind(CHANGE, that._refreshHandler).unbind(ERROR, that._errorHandler);
},
_adorn: function (adorner, isActive) {
if (isActive !== undefined && adorner) {
if (isActive) {
this._adorners.push(adorner);
this.adornerLayer.append(adorner.visual);
} else {
Utils.remove(this._adorners, adorner);
this.adornerLayer.remove(adorner.visual);
}
}
},
_showConnectors: function (shape, value) {
if (value) {
this._connectorsAdorner.show(shape);
} else {
this._connectorsAdorner.destroy();
}
},
_updateAdorners: function () {
var adorners = this._adorners;
for (var i = 0; i < adorners.length; i++) {
var adorner = adorners[i];
if (adorner.refreshBounds) {
adorner.refreshBounds();
}
adorner.refresh();
}
},
_refresh: function () {
for (var i = 0; i < this.connections.length; i++) {
this.connections[i].refresh();
}
},
_destroyToolBar: function () {
if (this.singleToolBar) {
this.singleToolBar.hide();
this.singleToolBar.destroy();
this.singleToolBar = null;
}
},
_destroyGlobalToolBar: function () {
if (this.toolBar) {
this.toolBar.hide();
this.toolBar.destroy();
this.toolBar = null;
}
},
exportDOMVisual: function () {
var viewBox = this.canvas._viewBox;
var scrollOffset = geom.transform().translate(-viewBox.x, -viewBox.y);
var viewRect = new geom.Rect([
0,
0
], [
viewBox.width,
viewBox.height
]);
var clipPath = draw.Path.fromRect(viewRect);
var wrap = new draw.Group({ transform: scrollOffset });
var clipWrap = new draw.Group({ clip: clipPath });
var root = this.canvas.drawingElement.children[0];
clipWrap.append(wrap);
wrap.children.push(root);
return clipWrap;
},
exportVisual: function () {
var scale = geom.transform().scale(1 / this._zoom);
var wrap = new draw.Group({ transform: scale });
var root = this.mainLayer.drawingElement;
wrap.children.push(root);
return wrap;
},
_syncChanges: function () {
this._syncShapeChanges();
this._syncConnectionChanges();
},
_syncShapeChanges: function () {
if (this.dataSource && this._isEditable) {
this.dataSource.sync();
}
},
_syncConnectionChanges: function () {
var that = this;
if (that.connectionsDataSource && that._isEditable) {
$.when.apply($, that._deferredConnectionUpdates).then(function () {
that.connectionsDataSource.sync();
});
that.deferredConnectionUpdates = [];
}
}
});
dataviz.ExportMixin.extend(Diagram.fn, true);
if (kendo.PDFMixin) {
kendo.PDFMixin.extend(Diagram.fn);
}
function filterShapeDataItem(dataItem) {
var result = {};
dataItem = dataItem || {};
if (defined(dataItem.text) && dataItem.text !== null) {
result.text = dataItem.text;
}
if (defined(dataItem.x) && dataItem.x !== null) {
result.x = dataItem.x;
}
if (defined(dataItem.y) && dataItem.y !== null) {
result.y = dataItem.y;
}
if (defined(dataItem.width) && dataItem.width !== null) {
result.width = dataItem.width;
}
if (defined(dataItem.height) && dataItem.height !== null) {
result.height = dataItem.height;
}
if (defined(dataItem.type) && dataItem.type !== null) {
result.type = dataItem.type;
}
return result;
}
function filterConnectionDataItem(dataItem) {
var result = {};
dataItem = dataItem || {};
if (defined(dataItem.text) && dataItem.text !== null) {
result.content = dataItem.text;
}
if (defined(dataItem.type) && dataItem.type !== null) {
result.type = dataItem.type;
}
if (defined(dataItem.from) && dataItem.from !== null) {
result.from = dataItem.from;
}
if (defined(dataItem.fromConnector) && dataItem.fromConnector !== null) {
result.fromConnector = dataItem.fromConnector;
}
if (defined(dataItem.fromX) && dataItem.fromX !== null) {
result.fromX = dataItem.fromX;
}
if (defined(dataItem.fromY) && dataItem.fromY !== null) {
result.fromY = dataItem.fromY;
}
if (defined(dataItem.to) && dataItem.to !== null) {
result.to = dataItem.to;
}
if (defined(dataItem.toConnector) && dataItem.toConnector !== null) {
result.toConnector = dataItem.toConnector;
}
if (defined(dataItem.toX) && dataItem.toX !== null) {
result.toX = dataItem.toX;
}
if (defined(dataItem.toY) && dataItem.toY !== null) {
result.toY = dataItem.toY;
}
return result;
}
var DiagramToolBar = kendo.Observable.extend({
init: function (diagram, options) {
kendo.Observable.fn.init.call(this);
this.diagram = diagram;
this.options = deepExtend({}, this.options, options);
this._tools = [];
this.createToolBar();
this.createTools();
this.appendTools();
if (this.options.modal) {
this.createPopup();
}
this.bind(this.events, options);
},
events: ['click'],
createPopup: function () {
this.container = $('').append(this.element);
this._popup = this.container.kendoPopup({}).getKendoPopup();
},
appendTools: function () {
for (var i = 0; i < this._tools.length; i++) {
var tool = this._tools[i];
if (tool.buttons && tool.buttons.length || !defined(tool.buttons)) {
this._toolBar.add(tool);
}
}
},
createToolBar: function () {
this.element = $('');
this._toolBar = this.element.kendoToolBar({
click: proxy(this.click, this),
resizable: false
}).getKendoToolBar();
this.element.css('border', 'none');
},
createTools: function () {
for (var i = 0; i < this.options.tools.length; i++) {
this.createTool(this.options.tools[i]);
}
},
createTool: function (tool) {
var toolName = (isPlainObject(tool) ? tool.name : tool) + 'Tool';
if (this[toolName]) {
this[toolName](tool);
} else {
this._tools.push(tool);
}
},
showAt: function (point) {
if (this._popup) {
this._popup.open(point.x, point.y);
}
},
hide: function () {
if (this._popup) {
this._popup.close();
}
},
newGroup: function () {
return {
type: 'buttonGroup',
buttons: []
};
},
editTool: function () {
this._tools.push({
spriteCssClass: 'k-icon k-i-pencil',
showText: 'overflow',
type: 'button',
text: 'Edit',
attributes: this._setAttributes({ action: 'edit' })
});
},
deleteTool: function () {
this._tools.push({
spriteCssClass: 'k-icon k-i-close',
showText: 'overflow',
type: 'button',
text: 'Delete',
attributes: this._setAttributes({ action: 'delete' })
});
},
rotateAnticlockwiseTool: function (options) {
this._appendGroup('rotate');
this._rotateGroup.buttons.push({
spriteCssClass: 'k-icon k-i-rotateccw',
showText: 'overflow',
text: 'RotateAnticlockwise',
group: 'rotate',
attributes: this._setAttributes({
action: 'rotateAnticlockwise',
step: options.step
})
});
},
rotateClockwiseTool: function (options) {
this._appendGroup('rotate');
this._rotateGroup.buttons.push({
spriteCssClass: 'k-icon k-i-rotatecw',
attributes: this._setAttributes({
action: 'rotateClockwise',
step: options.step
}),
showText: 'overflow',
text: 'RotateClockwise',
group: 'rotate'
});
},
createShapeTool: function () {
this._appendGroup('create');
this._createGroup.buttons.push({
spriteCssClass: 'k-icon k-i-shape',
showText: 'overflow',
text: 'CreateShape',
group: 'create',
attributes: this._setAttributes({ action: 'createShape' })
});
},
createConnectionTool: function () {
this._appendGroup('create');
this._createGroup.buttons.push({
spriteCssClass: 'k-icon k-i-connector',
showText: 'overflow',
text: 'CreateConnection',
group: 'create',
attributes: this._setAttributes({ action: 'createConnection' })
});
},
undoTool: function () {
this._appendGroup('history');
this._historyGroup.buttons.push({
spriteCssClass: 'k-icon k-i-undo',
showText: 'overflow',
text: 'Undo',
group: 'history',
attributes: this._setAttributes({ action: 'undo' })
});
},
redoTool: function () {
this._appendGroup('history');
this._historyGroup.buttons.push({
spriteCssClass: 'k-icon k-i-redo',
showText: 'overflow',
text: 'Redo',
group: 'history',
attributes: this._setAttributes({ action: 'redo' })
});
},
_appendGroup: function (name) {
var prop = '_' + name + 'Group';
if (!this[prop]) {
this[prop] = this.newGroup();
this._tools.push(this[prop]);
}
},
_setAttributes: function (attributes) {
var attr = {};
if (attributes.action) {
attr[kendo.attr('action')] = attributes.action;
}
if (attributes.step) {
attr[kendo.attr('step')] = attributes.step;
}
return attr;
},
_getAttributes: function (element) {
var attr = {};
var action = element.attr(kendo.attr('action'));
if (action) {
attr.action = action;
}
var step = element.attr(kendo.attr('step'));
if (step) {
attr.step = step;
}
return attr;
},
click: function (e) {
var attributes = this._getAttributes($(e.target));
var action = attributes.action;
if (action) {
this[action](attributes);
}
this.trigger('click', this.eventData(action));
},
eventData: function (action) {
var element = this.selectedElements(), shapes = [], connections = [];
if (element instanceof Shape) {
shapes.push(element);
} else {
connections.push(element);
}
return {
shapes: shapes,
connections: connections,
action: action
};
},
'delete': function () {
var diagram = this.diagram;
var toRemove = diagram._triggerRemove(this.selectedElements());
if (toRemove.length) {
this.diagram.remove(toRemove, true);
this.diagram._syncChanges();
}
},
edit: function () {
this.diagram.edit(this.selectedElements()[0]);
},
rotateClockwise: function (options) {
var angle = parseFloat(options.step || 90);
this._rotate(angle);
},
rotateAnticlockwise: function (options) {
var angle = parseFloat(options.step || 90);
this._rotate(-angle);
},
_rotate: function (angle) {
var adorner = this.diagram._resizingAdorner;
adorner.angle(adorner.angle() + angle);
adorner.rotate();
},
selectedElements: function () {
return this.diagram.select();
},
createShape: function () {
this.diagram.createShape();
},
createConnection: function () {
this.diagram.createConnection();
},
undo: function () {
this.diagram.undo();
},
redo: function () {
this.diagram.redo();
},
destroy: function () {
this.diagram = null;
this.element = null;
this.options = null;
if (this._toolBar) {
this._toolBar.destroy();
}
if (this._popup) {
this._popup.destroy();
}
}
});
var Editor = kendo.Observable.extend({
init: function (element, options) {
kendo.Observable.fn.init.call(this);
this.options = extend(true, {}, this.options, options);
this.element = element;
this.model = this.options.model;
this.fields = this._getFields();
this._initContainer();
this.createEditable();
},
options: { editors: {} },
_initContainer: function () {
this.wrapper = this.element;
},
createEditable: function () {
var options = this.options;
this.editable = new kendo.ui.Editable(this.wrapper, {
fields: this.fields,
target: options.target,
clearContainer: false,
model: this.model
});
},
_isEditable: function (field) {
return this.model.editable && this.model.editable(field);
},
_getFields: function () {
var fields = [];
var modelFields = this.model.fields;
for (var field in modelFields) {
var result = {};
if (this._isEditable(field)) {
var editor = this.options.editors[field];
if (editor) {
result.editor = editor;
}
result.field = field;
fields.push(result);
}
}
return fields;
},
end: function () {
return this.editable.end();
},
destroy: function () {
this.editable.destroy();
this.editable.element.find('[' + kendo.attr('container-for') + ']').empty();
this.model = this.wrapper = this.element = this.columns = this.editable = null;
}
});
var PopupEditor = Editor.extend({
init: function (element, options) {
Editor.fn.init.call(this, element, options);
this.bind(this.events, this.options);
this.open();
},
events: [
'update',
'cancel'
],
options: {
window: {
modal: true,
resizable: false,
draggable: true,
title: 'Edit',
visible: false
}
},
_initContainer: function () {
var that = this;
this.wrapper = $('').attr(kendo.attr('uid'), this.model.uid);
var formContent = '';
if (this.options.template) {
formContent += this._renderTemplate();
this.fields = [];
} else {
formContent += this._renderFields();
}
formContent += this._renderButtons();
this.wrapper.append($('').append(formContent));
this.window = new kendo.ui.Window(this.wrapper.appendTo(this.element), this.options.window);
this.window.bind('close', function (e) {
if (e.userTriggered) {
e.sender.element.focus();
that._cancelClick(e);
}
});
this._attachButtonEvents();
},
_renderTemplate: function () {
var template = this.options.template;
if (typeof template === 'string') {
template = window.unescape(template);
}
template = kendo.template(template)(this.model);
return template;
},
_renderFields: function () {
var form = '';
for (var i = 0; i < this.fields.length; i++) {
var field = this.fields[i];
form += '';
if (this._isEditable(field.field)) {
form += '';
}
}
return form;
},
_renderButtons: function () {
var form = '';
form += this._createButton('update');
form += this._createButton('cancel');
form += '
';
return form;
},
_createButton: function (name) {
return kendo.template(BUTTON_TEMPLATE)(defaultButtons[name]);
},
_attachButtonEvents: function () {
this._cancelClickHandler = proxy(this._cancelClick, this);
this.window.element.on(CLICK + NS, 'a.k-diagram-cancel', this._cancelClickHandler);
this._updateClickHandler = proxy(this._updateClick, this);
this.window.element.on(CLICK + NS, 'a.k-diagram-update', this._updateClickHandler);
},
_updateClick: function (e) {
e.preventDefault();
this.trigger('update');
},
_cancelClick: function (e) {
e.preventDefault();
this.trigger('cancel');
},
open: function () {
this.window.center().open();
},
close: function () {
this.window.bind('deactivate', proxy(this.destroy, this)).close();
},
destroy: function () {
this.window.close().destroy();
this.window.element.off(CLICK + NS, 'a.k-diagram-cancel', this._cancelClickHandler);
this.window.element.off(CLICK + NS, 'a.k-diagram-update', this._updateClickHandler);
this._cancelClickHandler = null;
this._editUpdateClickHandler = null;
this.window = null;
Editor.fn.destroy.call(this);
}
});
function connectionSelector(container, options) {
var model = this.dataSource.reader.model;
if (model) {
var textField = model.fn.fields.text ? 'text' : model.idField;
$('').appendTo(container).kendoDropDownList({
dataValueField: model.idField,
dataTextField: textField,
dataSource: this.dataSource.data().toJSON(),
optionLabel: ' ',
valuePrimitive: true
});
}
}
function InactiveItem(dataItem) {
this.dataItem = dataItem;
this.callbacks = [];
}
InactiveItem.fn = InactiveItem.prototype = {
onActivate: function (callback) {
var deffered = $.Deferred();
this.callbacks.push({
callback: callback,
deferred: deffered
});
return deffered;
},
activate: function () {
var callbacks = this.callbacks;
var item;
for (var idx = 0; idx < callbacks.length; idx++) {
item = this.callbacks[idx];
item.callback(this.dataItem);
item.deferred.resolve();
}
this.callbacks = [];
}
};
function InactiveItemsCollection() {
this.items = {};
}
InactiveItemsCollection.fn = InactiveItemsCollection.prototype = {
add: function (items) {
for (var idx = 0; idx < items.length; idx++) {
this.items[items[idx].uid] = new InactiveItem(items[idx]);
}
},
forEach: function (callback) {
for (var uid in this.items) {
callback(this.items[uid]);
}
},
getByUid: function (uid) {
return this.items[uid];
},
remove: function (item) {
delete this.items[item.uid];
}
};
var QuadRoot = Class.extend({
init: function () {
this.shapes = [];
},
_add: function (shape, bounds) {
this.shapes.push({
bounds: bounds,
shape: shape
});
shape._quadNode = this;
},
insert: function (shape, bounds) {
this._add(shape, bounds);
},
remove: function (shape) {
var shapes = this.shapes;
var length = shapes.length;
for (var idx = 0; idx < length; idx++) {
if (shapes[idx].shape === shape) {
shapes.splice(idx, 1);
break;
}
}
},
hitTestRect: function (rect) {
var shapes = this.shapes;
var length = shapes.length;
for (var i = 0; i < length; i++) {
if (this._testRect(shapes[i].shape, rect)) {
return true;
}
}
},
_testRect: function (shape, rect) {
var angle = shape.rotate().angle;
var bounds = shape.bounds();
var hit;
if (!angle) {
hit = bounds.overlaps(rect);
} else {
hit = Intersect.rects(rect, bounds, -angle);
}
return hit;
}
});
var QuadNode = QuadRoot.extend({
init: function (rect) {
QuadRoot.fn.init.call(this);
this.children = [];
this.rect = rect;
},
inBounds: function (rect) {
var nodeRect = this.rect;
var nodeBottomRight = nodeRect.bottomRight();
var bottomRight = rect.bottomRight();
var inBounds = nodeRect.x <= rect.x && nodeRect.y <= rect.y && bottomRight.x <= nodeBottomRight.x && bottomRight.y <= nodeBottomRight.y;
return inBounds;
},
overlapsBounds: function (rect) {
return this.rect.overlaps(rect);
},
insert: function (shape, bounds) {
var inserted = false;
var children = this.children;
var length = children.length;
if (this.inBounds(bounds)) {
if (!length && this.shapes.length < 4) {
this._add(shape, bounds);
} else {
if (!length) {
this._initChildren();
}
for (var idx = 0; idx < children.length; idx++) {
if (children[idx].insert(shape, bounds)) {
inserted = true;
break;
}
}
if (!inserted) {
this._add(shape, bounds);
}
}
inserted = true;
}
return inserted;
},
_initChildren: function () {
var rect = this.rect, children = this.children, shapes = this.shapes, center = rect.center(), halfWidth = rect.width / 2, halfHeight = rect.height / 2, childIdx, shapeIdx;
children.push(new QuadNode(new Rect(rect.x, rect.y, halfWidth, halfHeight)), new QuadNode(new Rect(center.x, rect.y, halfWidth, halfHeight)), new QuadNode(new Rect(rect.x, center.y, halfWidth, halfHeight)), new QuadNode(new Rect(center.x, center.y, halfWidth, halfHeight)));
for (shapeIdx = shapes.length - 1; shapeIdx >= 0; shapeIdx--) {
for (childIdx = 0; childIdx < children.length; childIdx++) {
if (children[childIdx].insert(shapes[shapeIdx].shape, shapes[shapeIdx].bounds)) {
shapes.splice(shapeIdx, 1);
break;
}
}
}
},
hitTestRect: function (rect) {
var idx;
var children = this.children;
var length = children.length;
var hit = false;
if (this.overlapsBounds(rect)) {
if (QuadRoot.fn.hitTestRect.call(this, rect)) {
hit = true;
} else {
for (idx = 0; idx < length; idx++) {
if (children[idx].hitTestRect(rect)) {
hit = true;
break;
}
}
}
}
return hit;
}
});
var ShapesQuadTree = Class.extend({
ROOT_SIZE: 1000,
init: function (diagram) {
var boundsChangeHandler = proxy(this._boundsChange, this);
diagram.bind(ITEMBOUNDSCHANGE, boundsChangeHandler);
diagram.bind(ITEMROTATE, boundsChangeHandler);
this.initRoots();
},
initRoots: function () {
this.rootMap = {};
this.root = new QuadRoot();
},
clear: function () {
this.initRoots();
},
_boundsChange: function (e) {
if (e.item._quadNode) {
e.item._quadNode.remove(e.item);
}
this.insert(e.item);
},
insert: function (shape) {
var bounds = shape.bounds(ROTATED);
var rootSize = this.ROOT_SIZE;
var sectors = this.getSectors(bounds);
var x = sectors[0][0];
var y = sectors[1][0];
if (this.inRoot(sectors)) {
this.root.insert(shape, bounds);
} else {
if (!this.rootMap[x]) {
this.rootMap[x] = {};
}
if (!this.rootMap[x][y]) {
this.rootMap[x][y] = new QuadNode(new Rect(x * rootSize, y * rootSize, rootSize, rootSize));
}
this.rootMap[x][y].insert(shape, bounds);
}
},
remove: function (shape) {
if (shape._quadNode) {
shape._quadNode.remove(shape);
}
},
inRoot: function (sectors) {
return sectors[0].length > 1 || sectors[1].length > 1;
},
getSectors: function (rect) {
var rootSize = this.ROOT_SIZE;
var bottomRight = rect.bottomRight();
var bottomX = math.floor(bottomRight.x / rootSize);
var bottomY = math.floor(bottomRight.y / rootSize);
var sectors = [
[],
[]
];
for (var x = math.floor(rect.x / rootSize); x <= bottomX; x++) {
sectors[0].push(x);
}
for (var y = math.floor(rect.y / rootSize); y <= bottomY; y++) {
sectors[1].push(y);
}
return sectors;
},
hitTestRect: function (rect) {
var sectors = this.getSectors(rect);
var xIdx, yIdx, x, y;
var root;
if (this.root.hitTestRect(rect)) {
return true;
}
for (xIdx = 0; xIdx < sectors[0].length; xIdx++) {
x = sectors[0][xIdx];
for (yIdx = 0; yIdx < sectors[1].length; yIdx++) {
y = sectors[1][yIdx];
root = (this.rootMap[x] || {})[y];
if (root && root.hitTestRect(rect)) {
return true;
}
}
}
return false;
}
});
function cloneDataItem(dataItem) {
var result = dataItem;
if (dataItem instanceof kendo.data.Model) {
result = dataItem.toJSON();
result[dataItem.idField] = dataItem._defaultId;
}
return result;
}
function splitDiagramElements(elements) {
var connections = [];
var shapes = [];
var element, idx;
for (idx = 0; idx < elements.length; idx++) {
element = elements[idx];
if (element instanceof Shape) {
shapes.push(element);
} else {
connections.push(element);
}
}
return {
shapes: shapes,
connections: connections
};
}
function createModel(dataSource, model) {
if (dataSource.reader.model) {
return new dataSource.reader.model(model);
}
return new kendo.data.ObservableObject(model);
}
function clearField(field, model) {
if (defined(model[field])) {
model.set(field, null);
}
}
function copyDefaultOptions(mainOptions, elementOptions, fields) {
var field;
for (var idx = 0; idx < fields.length; idx++) {
field = fields[idx];
if (elementOptions && !defined(elementOptions[field])) {
elementOptions[field] = mainOptions[field];
}
}
}
function translateToOrigin(visual) {
var bbox = visual.drawingContainer().clippedBBox(null);
if (bbox.origin.x !== 0 || bbox.origin.y !== 0) {
visual.position(-bbox.origin.x, -bbox.origin.y);
}
}
dataviz.ui.plugin(Diagram);
deepExtend(diagram, {
Shape: Shape,
Connection: Connection,
Connector: Connector,
DiagramToolBar: DiagramToolBar,
QuadNode: QuadNode,
QuadRoot: QuadRoot,
ShapesQuadTree: ShapesQuadTree,
PopupEditor: PopupEditor
});
}(window.kendo.jQuery));
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));
(function (f, define) {
define('kendo.dataviz.diagram', [
'kendo.data',
'kendo.draganddrop',
'kendo.userevents',
'kendo.mobile.scroller',
'kendo.drawing',
'dataviz/diagram/utils',
'dataviz/diagram/math',
'dataviz/diagram/svg',
'dataviz/diagram/services',
'dataviz/diagram/layout',
'dataviz/diagram/dom'
], f);
}(function () {
var __meta__ = {
id: 'dataviz.diagram',
name: 'Diagram',
category: 'dataviz',
description: 'The Kendo DataViz Diagram ',
depends: [
'data',
'userevents',
'mobile.scroller',
'draganddrop',
'drawing',
'dataviz.core',
'dataviz.themes',
'toolbar'
],
features: [
{
id: 'dataviz.diagram-pdf-export',
name: 'PDF export',
description: 'Export Diagram as PDF',
depends: ['pdf']
},
{
id: 'dataviz.diagram-editing',
name: 'Editing',
description: 'Support for model editing',
depends: [
'editable',
'window',
'dropdownlist'
]
}
]
};
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));