weird cloudflare "javascripts" folder bug
Former-commit-id: 3d785d3b57c155abdae88cceec7ed322604372b1
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,17 +10,17 @@
[submodule "lib/Requests"]
path = lib/Requests
url = https://github.com/rmccue/Requests.git
-[submodule "javascripts/flotr2"]
- path = javascripts/flotr2
+[submodule "js/flotr2"]
+ path = js/flotr2
url = https://github.com/HumbleSoftware/Flotr2.git
[submodule "lib/phpquery"]
path = lib/phpquery
url = https://github.com/TobiaszCudnik/phpquery.git
-[submodule "javascripts/sigma"]
- path = javascripts/sigma
+[submodule "js/sigma"]
+ path = js/sigma
url = https://github.com/jacomyal/sigma.js.git
-[submodule "javascripts/bubbletree"]
- path = javascripts/bubbletree
+[submodule "js/bubbletree"]
+ path = js/bubbletree
url = https://github.com/okfn/bubbletree.git
[submodule "lib/querypath"]
path = lib/querypath
--- a/javascripts/app.js
+++ /dev/null
@@ -1,95 +1,1 @@
-/* Foundation v2.1.4 http://foundation.zurb.com */
-$(document).ready(function () {
- /* Use this js doc for all application specific JS */
-
- /* TABS --------------------------------- */
- /* Remove if you don't need :) */
-
- function activateTab($tab) {
- var $activeTab = $tab.closest('dl').find('a.active'),
- contentLocation = $tab.attr("href") + 'Tab';
-
- //Make Tab Active
- $activeTab.removeClass('active');
- $tab.addClass('active');
-
- //Show Tab Content
- $(contentLocation).closest('.tabs-content').children('li').hide();
- $(contentLocation).show();
- }
-
- $('dl.tabs').each(function () {
- //Get all tabs
- var tabs = $(this).children('dd').children('a');
- tabs.click(function (e) {
- activateTab($(this));
- });
- });
-
- if (window.location.hash) {
- activateTab($('a[href="' + window.location.hash + '"]'));
- }
-
- /* ALERT BOXES ------------ */
- $(".alert-box").delegate("a.close", "click", function(event) {
- event.preventDefault();
- $(this).closest(".alert-box").fadeOut(function(event){
- $(this).remove();
- });
- });
-
-
- /* PLACEHOLDER FOR FORMS ------------- */
- /* Remove this and jquery.placeholder.min.js if you don't need :) */
-
- //$('input, textarea').placeholder();
-
-
-
- /* UNCOMMENT THE LINE YOU WANT BELOW IF YOU WANT IE6/7/8 SUPPORT AND ARE USING .block-grids */
-// $('.block-grid.two-up>li:nth-child(2n+1)').css({clear: 'left'});
-// $('.block-grid.three-up>li:nth-child(3n+1)').css({clear: 'left'});
-// $('.block-grid.four-up>li:nth-child(4n+1)').css({clear: 'left'});
-// $('.block-grid.five-up>li:nth-child(5n+1)').css({clear: 'left'});
-
-
-
- /* DROPDOWN NAV ------------- */
-
- var currentFoundationDropdown = null;
- $('.nav-bar li a, .nav-bar li a:after').each(function() {
- $(this).data('clicks', 0);
- });
- $('.nav-bar li a, .nav-bar li a:after').live('click', function(e) {
- e.preventDefault();
- if (currentFoundationDropdown !== $(this).index() || currentFoundationDropdown === null) {
- $(this).data('clicks', 0);
- currentFoundationDropdown = $(this).index();
- }
- $(this).data('clicks', ($(this).data('clicks') + 1));
- var f = $(this).siblings('.flyout');
- if (!f.is(':visible') && $(this).parent('.has-flyout').length > 1) {
- $('.nav-bar li .flyout').hide();
- f.show();
- } else if (($(this).data('clicks') > 1) || ($(this).parent('.has-flyout').length < 1)) {
- window.location = $(this).attr('href');
- }
- });
- $('.nav-bar').live('click', function(e) {
- e.stopPropagation();
- if ($(e.target).parents().is('.flyout') || $(e.target).is('.flyout')) {
- e.preventDefault();
- }
- });
- // $('body').bind('touchend', function(e) {
- // if (!$(e.target).parents().is('.nav-bar') || !$(e.target).is('.nav-bar')) {
- // $('.nav-bar li .flyout').is(':visible').hide();
- // }
- // });
-
- /* DISABLED BUTTONS ------------- */
- /* Gives elements with a class of 'disabled' a return: false; */
-
-});
-
--- a/javascripts/bubbletree
+++ /dev/null
--- a/javascripts/d3.layout.min.js
+++ /dev/null
@@ -1,1 +1,1 @@
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a={defaults:{animation:"horizontal-push",animationSpeed:600,timer:true,advanceSpeed:4000,pauseOnHover:false,startClockOnMouseOut:false,startClockOnMouseOutAfter:1000,directionalNav:true,captions:true,captionAnimation:"fade",captionAnimationSpeed:600,bullets:false,bulletThumbs:false,bulletThumbLocation:"",afterSlideChange:b.noop,fluid:true,centerBullets:true},activeSlide:0,numberSlides:0,orbitWidth:null,orbitHeight:null,locked:null,timerRunning:null,degrees:0,wrapperHTML:'<div class="orbit-wrapper" />',timerHTML:'<div class="timer"><span class="mask"><span class="rotator"></span></span><span class="pause"></span></div>',captionHTML:'<div class="orbit-caption"></div>',directionalNavHTML:'<div class="slider-nav"><span class="right">Right</span><span class="left">Left</span></div>',bulletHTML:'<ul class="orbit-bullets"></ul>',init:function(f,e){var 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this.each(function(){var d=b.extend({},a);d.init(this,c)})}})(jQuery);
-/*!
- * jQuery imageready Plugin
- * http://www.zurb.com/playground/
- *
- * Copyright 2011, ZURB
- * Released under the MIT License
- */
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d=f.css(a,"position");d==="static"&&(a.style.position="relative");var e=f(a),g=e.offset(),h=f.css(a,"top"),i=f.css(a,"left"),j=(d==="absolute"||d==="fixed")&&f.inArray("auto",[h,i])>-1,k={},l={},m,n;j?(l=e.position(),m=l.top,n=l.left):(m=parseFloat(h)||0,n=parseFloat(i)||0),f.isFunction(b)&&(b=b.call(a,c,g)),b.top!=null&&(k.top=b.top-g.top+m),b.left!=null&&(k.left=b.left-g.left+n),"using"in b?b.using.call(a,k):e.css(k)}},f.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),d=cu.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(f.css(a,"marginTop"))||0,c.left-=parseFloat(f.css(a,"marginLeft"))||0,d.top+=parseFloat(f.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(f.css(b[0],"borderLeftWidth"))||0;return{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||c.body;while(a&&!cu.test(a.nodeName)&&f.css(a,"position")==="static")a=a.offsetParent;return a})}}),f.each(["Left","Top"],function(a,c){var d="scroll"+c;f.fn[d]=function(c){var e,g;if(c===b){e=this[0];if(!e)return null;g=cv(e);return g?"pageXOffset"in g?g[a?"pageYOffset":"pageXOffset"]:f.support.boxModel&&g.document.documentElement[d]||g.document.body[d]:e[d]}return this.each(function(){g=cv(this),g?g.scrollTo(a?f(g).scrollLeft():c,a?c:f(g).scrollTop()):this[d]=c})}}),f.each(["Height","Width"],function(a,c){var d=c.toLowerCase();f.fn["inner"+c]=function(){var a=this[0];return a&&a.style?parseFloat(f.css(a,d,"padding")):null},f.fn["outer"+c]=function(a){var b=this[0];return b&&b.style?parseFloat(f.css(b,d,a?"margin":"border")):null},f.fn[d]=function(a){var e=this[0];if(!e)return a==null?null:this;if(f.isFunction(a))return this.each(function(b){var c=f(this);c[d](a.call(this,b,c[d]()))});if(f.isWindow(e)){var g=e.document.documentElement["client"+c];return e.document.compatMode==="CSS1Compat"&&g||e.document.body["client"+c]||g}if(e.nodeType===9)return Math.max(e.documentElement["client"+c],e.body["scroll"+c],e.documentElement["scroll"+c],e.body["offset"+c],e.documentElement["offset"+c]);if(a===b){var h=f.css(e,d),i=parseFloat(h);return f.isNaN(i)?h:i}return this.css(d,typeof a=="string"?a:a+"px")}}),a.jQuery=a.$=f})(window);
+
--- a/javascripts/sigma
+++ /dev/null
--- a/javascripts/sigma.min.js
+++ /dev/null
@@ -1,3552 +1,1 @@
-// Define packages:
-var sigma = {};
-sigma.tools = {};
-sigma.classes = {};
-sigma.instances = {};
-// Adding Array helpers, if not present yet:
-(function() {
- if (!Array.prototype.some) {
- Array.prototype.some = function(fun /*, thisp*/) {
- var len = this.length;
- if (typeof fun != 'function') {
- throw new TypeError();
- }
-
- var thisp = arguments[1];
- for (var i = 0; i < len; i++) {
- if (i in this &&
- fun.call(thisp, this[i], i, this)) {
- return true;
- }
- }
-
- return false;
- };
- }
-
- if (!Array.prototype.forEach) {
- Array.prototype.forEach = function(fun /*, thisp*/) {
- var len = this.length;
- if (typeof fun != 'function') {
- throw new TypeError();
- }
-
- var thisp = arguments[1];
- for (var i = 0; i < len; i++) {
- if (i in this) {
- fun.call(thisp, this[i], i, this);
- }
- }
- };
- }
-
- if (!Array.prototype.map) {
- Array.prototype.map = function(fun /*, thisp*/) {
- var len = this.length;
- if (typeof fun != 'function') {
- throw new TypeError();
- }
-
- var res = new Array(len);
- var thisp = arguments[1];
- for (var i = 0; i < len; i++) {
- if (i in this) {
- res[i] = fun.call(thisp, this[i], i, this);
- }
- }
-
- return res;
- };
- }
-
- if (!Array.prototype.filter) {
- Array.prototype.filter = function(fun /*, thisp*/) {
- var len = this.length;
- if (typeof fun != 'function')
- throw new TypeError();
-
- var res = new Array();
- var thisp = arguments[1];
- for (var i = 0; i < len; i++) {
- if (i in this) {
- var val = this[i]; // in case fun mutates this
- if (fun.call(thisp, val, i, this)) {
- res.push(val);
- }
- }
- }
-
- return res;
- };
- }
-
- if (!Object.keys) {
- Object.keys = (function() {
- var hasOwnProperty = Object.prototype.hasOwnProperty,
- hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'),
- dontEnums = [
- 'toString',
- 'toLocaleString',
- 'valueOf',
- 'hasOwnProperty',
- 'isPrototypeOf',
- 'propertyIsEnumerable',
- 'constructor'
- ],
- dontEnumsLength = dontEnums.length;
-
- return function(obj) {
- if (typeof obj !== 'object' &&
- typeof obj !== 'function' ||
- obj === null
- ) {
- throw new TypeError('Object.keys called on non-object');
- }
-
- var result = [];
-
- for (var prop in obj) {
- if (hasOwnProperty.call(obj, prop)) result.push(prop);
- }
-
- if (hasDontEnumBug) {
- for (var i = 0; i < dontEnumsLength; i++) {
- if (hasOwnProperty.call(obj, dontEnums[i])) {
- result.push(dontEnums[i]);
- }
- }
- }
- return result;
- }
- })();
- }
-})();
-
-/**
- * A jQuery like properties management class. It works like jQuery .css()
- * method: You can call it with juste one string to get the corresponding
- * property, with a string and anything else to set the corresponding property,
- * or directly with an object, and then each pair string / object (or any type)
- * will be set in the properties.
- * @constructor
- * @this {sigma.classes.Cascade}
- */
-sigma.classes.Cascade = function() {
- /**
- * This instance properties.
- * @protected
- * @type {Object}
- */
- this.p = {};
-
- /**
- * The method to use to set/get any property of this instance.
- * @param {(string|Object)} a1 If it is a string and if a2 is undefined,
- * then it will return the corresponding
- * property.
- * If it is a string and if a2 is set, then it
- * will set a2 as the property corresponding to
- * a1, and return this.
- * If it is an object, then each pair string /
- * object (or any other type) will be set as a
- * property.
- * @param {*?} a2 The new property corresponding to a1 if a1 is
- * a string.
- * @return {(*|sigma.classes.Cascade)} Returns itself or the corresponding
- * property.
- */
- this.config = function(a1, a2) {
- if (typeof a1 == 'string' && a2 == undefined) {
- return this.p[a1];
- } else {
- var o = (typeof a1 == 'object' && a2 == undefined) ? a1 : {};
- if (typeof a1 == 'string') {
- o[a1] = a2;
- }
-
- for (var k in o) {
- if (this.p[k] != undefined) {
- this.p[k] = o[k];
- }
- }
- return this;
- }
- };
-};
-
-/**
- * sigma.js custom event dispatcher class.
- * @constructor
- * @this {sigma.classes.EventDispatcher}
- */
-sigma.classes.EventDispatcher = function() {
- /**
- * An object containing all the different handlers bound to one or many
- * events, indexed by these events.
- * @private
- * @type {Object.<string,Object>}
- */
- var _h = {};
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {sigma.classes.EventDispatcher}
- */
- var _self = this;
-
- /**
- * Will execute the handler the next (and only the next) time that the
- * indicated event (or the indicated events) will be triggered.
- * @param {string} events The name of the event (or the events
- * separated by spaces).
- * @param {function(Object)} handler The handler to bind.
- * @return {sigma.classes.EventDispatcher} Returns itself.
- */
- function one(events, handler) {
- if (!handler || !events) {
- return _self;
- }
-
- var eArray = ((typeof events) == 'string') ? events.split(' ') : events;
-
- eArray.forEach(function(event) {
- if (!_h[event]) {
- _h[event] = [];
- }
-
- _h[event].push({
- 'h': handler,
- 'one': true
- });
- });
-
- return _self;
- }
-
- /**
- * Will execute the handler everytime that the indicated event (or the
- * indicated events) will be triggered.
- * @param {string} events The name of the event (or the events
- * separated by spaces).
- * @param {function(Object)} handler The handler to bind.
- * @return {sigma.classes.EventDispatcher} Returns itself.
- */
- function bind(events, handler) {
- if (!handler || !events) {
- return _self;
- }
-
- var eArray = ((typeof events) == 'string') ? events.split(' ') : events;
-
- eArray.forEach(function(event) {
- if (!_h[event]) {
- _h[event] = [];
- }
-
- _h[event].push({
- 'h': handler,
- 'one': false
- });
- });
-
- return _self;
- }
-
- /**
- * Unbinds the handler from a specified event (or specified events).
- * @param {?string} events The name of the event (or the events
- * separated by spaces). If undefined,
- * then all handlers are unbound.
- * @param {?function(Object)} handler The handler to unbind. If undefined,
- * each handler bound to the event or the
- * events will be unbound.
- * @return {sigma.classes.EventDispatcher} Returns itself.
- */
- function unbind(events, handler) {
- if (!events) {
- _h = {};
- }
-
- var eArray = typeof events == 'string' ? events.split(' ') : events;
-
- if (handler) {
- eArray.forEach(function(event) {
- if (_h[event]) {
- _h[event] = _h[event].filter(function(e) {
- return e['h'] != handler;
- });
- }
-
- if (_h[event] && _h[event].length == 0) {
- delete _h[event];
- }
- });
- }else {
- eArray.forEach(function(event) {
- delete _h[event];
- });
- }
-
- return _self;
- }
-
- /**
- * Executes each handler bound to the event
- * @param {string} type The type of the event.
- * @param {?Object} content The content of the event (optional).
- * @return {sigma.classes.EventDispatcher} Returns itself.
- */
- function dispatch(type, content) {
- if (_h[type]) {
- _h[type].forEach(function(e) {
- e['h']({
- 'type': type,
- 'content': content,
- 'target': _self
- });
- });
-
- _h[type] = _h[type].filter(function(e) {
- return !e['one'];
- });
- }
-
- return _self;
- }
-
- /* PUBLIC INTERFACE: */
- this.one = one;
- this.bind = bind;
- this.unbind = unbind;
- this.dispatch = dispatch;
-};
-
-(function() {
-// Define local shortcut:
-var id = 0;
-
-// Define local package:
-var local = {};
-local.plugins = [];
-
-sigma.init = function(dom) {
- var inst = new Sigma(dom, (++id).toString());
- sigma.instances[id] = new SigmaPublic(inst);
- return sigma.instances[id];
-};
-
-/**
- * This class listen to all the different mouse events, to normalize them and
- * dispatch action events instead (from "startinterpolate" to "isdragging",
- * etc).
- * @constructor
- * @extends sigma.classes.Cascade
- * @extends sigma.classes.EventDispatcher
- * @param {element} dom The DOM element to bind the handlers on.
- * @this {MouseCaptor}
- */
-function MouseCaptor(dom) {
- sigma.classes.Cascade.call(this);
- sigma.classes.EventDispatcher.call(this);
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {MouseCaptor}
- */
- var self = this;
-
- /**
- * The DOM element to bind the handlers on.
- * @type {element}
- */
- var dom = dom;
-
- /**
- * The different parameters that define how this instance should work.
- * @see sigma.classes.Cascade
- * @type {Object}
- */
- this.p = {
- minRatio: 1,
- maxRatio: 32,
- marginRatio: 1,
- zoomDelta: 0.1,
- dragDelta: 0.3,
- zoomMultiply: 2,
- directZooming: false,
- blockScroll: true,
- inertia: 1.1,
- mouseEnabled: true
- };
-
- var oldMouseX = 0;
- var oldMouseY = 0;
- var startX = 0;
- var startY = 0;
-
- var oldStageX = 0;
- var oldStageY = 0;
- var oldRatio = 1;
-
- var targetRatio = 1;
- var targetStageX = 0;
- var targetStageY = 0;
-
- var lastStageX = 0;
- var lastStageX2 = 0;
- var lastStageY = 0;
- var lastStageY2 = 0;
-
- var progress = 0;
- var isZooming = false;
-
- this.stageX = 0;
- this.stageY = 0;
- this.ratio = 1;
-
- this.mouseX = 0;
- this.mouseY = 0;
-
- this.isMouseDown = false;
-
- /**
- * Extract the local X position from a mouse event.
- * @private
- * @param {event} e A mouse event.
- * @return {number} The local X value of the mouse.
- */
- function getX(e) {
- return e.offsetX != undefined && e.offsetX ||
- e.layerX != undefined && e.layerX ||
- e.clientX != undefined && e.clientX;
- };
-
- /**
- * Extract the local Y position from a mouse event.
- * @private
- * @param {event} e A mouse event.
- * @return {number} The local Y value of the mouse.
- */
- function getY(e) {
- return e.offsetY != undefined && e.offsetY ||
- e.layerY != undefined && e.layerY ||
- e.clientY != undefined && e.clientY;
- };
-
- /**
- * Extract the wheel delta from a mouse event.
- * @private
- * @param {event} e A mouse event.
- * @return {number} The wheel delta of the mouse.
- */
- function getDelta(e) {
- return e.wheelDelta != undefined && e.wheelDelta ||
- e.detail != undefined && -e.detail;
- };
-
- /**
- * The handler listening to the 'move' mouse event. It will set the mouseX
- * and mouseY values as the mouse position values, prevent the default event,
- * and dispatch a 'move' event.
- * @private
- * @param {event} event A 'move' mouse event.
- */
- function moveHandler(event) {
- oldMouseX = self.mouseX;
- oldMouseY = self.mouseY;
-
- self.mouseX = getX(event);
- self.mouseY = getY(event);
-
- self.isMouseDown && drag(event);
- self.dispatch('move');
-
- if (event.preventDefault) {
- event.preventDefault();
- } else {
- event.returnValue = false;
- }
- };
-
- /**
- * The handler listening to the 'up' mouse event. It will set the isMouseDown
- * value as false, dispatch a 'mouseup' event, and trigger stopDrag().
- * @private
- * @param {event} event A 'up' mouse event.
- */
- function upHandler(event) {
- if (self.p.mouseEnabled && self.isMouseDown) {
- self.isMouseDown = false;
- self.dispatch('mouseup');
- stopDrag();
-
- if (event.preventDefault) {
- event.preventDefault();
- } else {
- event.returnValue = false;
- }
- }
- };
-
- /**
- * The handler listening to the 'down' mouse event. It will set the
- * isMouseDown value as true, dispatch a 'mousedown' event, and trigger
- * startDrag().
- * @private
- * @param {event} event A 'down' mouse event.
- */
- function downHandler(event) {
- if (self.p.mouseEnabled) {
- self.isMouseDown = true;
- oldMouseX = self.mouseX;
- oldMouseY = self.mouseY;
-
- self.dispatch('mousedown');
-
- startDrag();
-
- if (event.preventDefault) {
- event.preventDefault();
- } else {
- event.returnValue = false;
- }
- }
- };
-
- /**
- * The handler listening to the 'wheel' mouse event. It will trigger
- * {@link startInterpolate} with the event delta as parameter.
- * @private
- * @param {event} event A 'wheel' mouse event.
- */
- function wheelHandler(event) {
- if (self.p.mouseEnabled) {
- startInterpolate(
- self.mouseX,
- self.mouseY,
- self.ratio * (getDelta(event) > 0 ?
- self.p.zoomMultiply :
- 1 / self.p.zoomMultiply)
- );
-
- if (self.p['blockScroll']) {
- if (event.preventDefault) {
- event.preventDefault();
- } else {
- event.returnValue = false;
- }
- }
- }
- };
-
- /**
- * Will start computing the scene X and Y, until {@link stopDrag} is
- * triggered.
- */
- function startDrag() {
- oldStageX = self.stageX;
- oldStageY = self.stageY;
- startX = self.mouseX;
- startY = self.mouseY;
-
- lastStageX = self.stageX;
- lastStageX2 = self.stageX;
- lastStageY = self.stageY;
- lastStageY2 = self.stageY;
-
- self.dispatch('startdrag');
- };
-
- /**
- * Stops computing the scene position.
- */
- function stopDrag() {
- if (oldStageX != self.stageX || oldStageY != self.stageY) {
- startInterpolate(
- self.stageX + self.p.inertia * (self.stageX - lastStageX2),
- self.stageY + self.p.inertia * (self.stageY - lastStageY2)
- );
- }
- };
-
- /**
- * Computes the position of the scene, relatively to the mouse position, and
- * dispatches a "drag" event.
- */
- function drag() {
- var newStageX = self.mouseX - startX + oldStageX;
- var newStageY = self.mouseY - startY + oldStageY;
-
- if (newStageX != self.stageX || newStageY != self.stageY) {
- lastStageX2 = lastStageX;
- lastStageY2 = lastStageY;
-
- lastStageX = newStageX;
- lastStageY = newStageY;
-
- self.stageX = newStageX;
- self.stageY = newStageY;
- self.dispatch('drag');
- }
- };
-
- /**
- * Will start computing the scene zoom ratio, until {@link stopInterpolate} is
- * triggered.
- * @param {number} x The new stage X.
- * @param {number} y The new stage Y.
- * @param {number} ratio The new zoom ratio.
- */
- function startInterpolate(x, y, ratio) {
- if (self.isMouseDown) {
- return;
- }
-
- window.clearInterval(self.interpolationID);
- isZooming = ratio != undefined;
-
- oldStageX = self.stageX;
- targetStageX = x;
-
- oldStageY = self.stageY;
- targetStageY = y;
-
- oldRatio = self.ratio;
- targetRatio = ratio || self.ratio;
- targetRatio = Math.min(
- Math.max(targetRatio, self.p.minRatio),
- self.p.maxRatio
- );
-
- progress =
- self.p.directZooming ?
- 1 - (isZooming ? self.p.zoomDelta : self.p.dragDelta) :
- 0;
-
- if (
- self.ratio != targetRatio ||
- self.stageX != targetStageX ||
- self.stageY != targetStageY
- ) {
- interpolate();
- self.interpolationID = window.setInterval(interpolate, 50);
- self.dispatch('startinterpolate');
- }
- };
-
- /**
- * Stops the move interpolation.
- */
- function stopInterpolate() {
- var oldRatio = self.ratio;
-
- if (isZooming) {
- self.ratio = targetRatio;
- self.stageX = targetStageX +
- (self.stageX - targetStageX) *
- self.ratio /
- oldRatio;
- self.stageY = targetStageY +
- (self.stageY - targetStageY) *
- self.ratio /
- oldRatio;
- }else {
- self.stageX = targetStageX;
- self.stageY = targetStageY;
- }
-
- self.dispatch('stopinterpolate');
- };
-
- /**
- * Computes the interpolate ratio and the position of the scene, relatively
- * to the last mouse event delta received, and dispatches a "interpolate"
- * event.
- */
- function interpolate() {
- progress += (isZooming ? self.p.zoomDelta : self.p.dragDelta);
- progress = Math.min(progress, 1);
-
- var k = sigma.easing.quadratic.easeout(progress);
- var oldRatio = self.ratio;
-
- self.ratio = oldRatio * (1 - k) + targetRatio * k;
-
- if (isZooming) {
- self.stageX = targetStageX +
- (self.stageX - targetStageX) *
- self.ratio /
- oldRatio;
-
- self.stageY = targetStageY +
- (self.stageY - targetStageY) *
- self.ratio /
- oldRatio;
- } else {
- self.stageX = oldStageX * (1 - k) + targetStageX * k;
- self.stageY = oldStageY * (1 - k) + targetStageY * k;
- }
-
- self.dispatch('interpolate');
- if (progress >= 1) {
- window.clearInterval(self.interpolationID);
- stopInterpolate();
- }
- };
-
- /**
- * Checks that there is always a part of the graph that is displayed, to
- * avoid the user to drag the graph out of the stage.
- * @param {Object} b An object containing the borders of the graph.
- * @param {number} width The width of the stage.
- * @param {number} height The height of the stage.
- * @return {MouseCaptor} Returns itself.
- */
- function checkBorders(b, width, height) {
- // TODO : Find the good formula
- /*if (!isNaN(b.minX) && !isNaN(b.maxX)) {
- self.stageX = Math.min(
- self.stageX = Math.max(
- self.stageX,
- (b.minX - width) * self.ratio +
- self.p.marginRatio*(b.maxX - b.minX)
- ),
- (b.maxX - width) * self.ratio +
- width -
- self.p.marginRatio*(b.maxX - b.minX)
- );
- }
-
- if (!isNaN(b.minY) && !isNaN(b.maxY)) {
- self.stageY = Math.min(
- self.stageY = Math.max(
- self.stageY,
- (b.minY - height) * self.ratio +
- self.p.marginRatio*(b.maxY - b.minY)
- ),
- (b.maxY - height) * self.ratio +
- height -
- self.p.marginRatio*(b.maxY - b.minY)
- );
- }*/
-
- return self;
- };
-
- // ADD CALLBACKS
- dom.addEventListener('DOMMouseScroll', wheelHandler, true);
- dom.addEventListener('mousewheel', wheelHandler, true);
- dom.addEventListener('mousemove', moveHandler, true);
- dom.addEventListener('mousedown', downHandler, true);
- document.addEventListener('mouseup', upHandler, true);
-
- this.checkBorders = checkBorders;
- this.interpolate = startInterpolate;
-}
-
-/**
- * A class to monitor some local / global probes directly on an instance,
- * inside a div DOM element.
- * It executes different methods (called "probes") regularly, and displays
- * the results on the element.
- * @constructor
- * @extends sigma.classes.Cascade
- * @param {Sigma} instance The instance to monitor.
- * @param {element} dom The div DOM element to draw write on.
- * @this {Monitor}
- */
-function Monitor(instance, dom) {
- sigma.classes.Cascade.call(this);
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {Monitor}
- */
- var self = this;
-
- /**
- * {@link Sigma} instance owning this Monitor instance.
- * @type {Sigma}
- */
- this.instance = instance;
-
- /**
- * Determines if the monitoring is activated or not.
- * @type {Boolean}
- */
- this.monitoring = false;
-
- /**
- * The different parameters that define how this instance should work. It
- * also contains the different probes.
- * @see sigma.classes.Cascade
- * @type {Object}
- */
- this.p = {
- fps: 40,
- dom: dom,
- globalProbes: {
- 'Time (ms)': sigma.chronos.getExecutionTime,
- 'Queue': sigma.chronos.getQueuedTasksCount,
- 'Tasks': sigma.chronos.getTasksCount,
- 'FPS': sigma.chronos.getFPS
- },
- localProbes: {
- 'Nodes count': function() { return self.instance.graph.nodes.length; },
- 'Edges count': function() { return self.instance.graph.edges.length; }
- }
- };
-
- /**
- * Activates the monitoring: Some texts describing some values about sigma.js
- * or the owning {@link Sigma} instance will appear over the graph, but
- * beneath the mouse sensible DOM element.
- * @return {Monitor} Returns itself.
- */
- function activate() {
- if (!self.monitoring) {
- self.monitoring = window.setInterval(routine, 1000 / self.p.fps);
- }
-
- return self;
- }
-
- /**
- * Desactivates the monitoring: Will disappear, and stop computing the
- * different probes.
- * @return {Monitor} Returns itself.
- */
- function desactivate() {
- if (self.monitoring) {
- window.clearInterval(self.monitoring);
- self.monitoring = null;
-
- self.p.dom.innerHTML = '';
- }
-
- return self;
- }
-
- /**
- * The private method dedicated to compute the different values to observe.
- * @private
- * @return {Monitor} Returns itself.
- */
- function routine() {
- var s = '';
-
- s += '<p>GLOBAL :</p>';
- for (var k in self.p.globalProbes) {
- s += '<p>' + k + ' : ' + self.p.globalProbes[k]() + '</p>';
- }
-
- s += '<br><p>LOCAL :</p>';
- for (var k in self.p.localProbes) {
- s += '<p>' + k + ' : ' + self.p.localProbes[k]() + '</p>';
- }
-
- self.p.dom.innerHTML = s;
-
- return self;
- }
-
- this.activate = activate;
- this.desactivate = desactivate;
-}
-
-/**
- * Sigma is the main class. It represents the core of any instance id sigma.js.
- * It is private and can be initialized only from inside sigma.js. To see its
- * public interface, see {@link SigmaPublic}.
- * It owns its own {@link Graph}, {@link MouseCaptor}, {@link Plotter}
- * and {@link Monitor}.
- * @constructor
- * @extends sigma.classes.Cascade
- * @extends sigma.classes.EventDispatcher
- * @param {element} root The DOM root of this instance (a div, for example).
- * @param {string} id The ID of this instance.
- * @this {Sigma}
- */
-function Sigma(root, id) {
- sigma.classes.Cascade.call(this);
- sigma.classes.EventDispatcher.call(this);
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {Sigma}
- */
- var self = this;
-
- /**
- * The ID of the instance.
- * @type {string}
- */
- this.id = id.toString();
-
- /**
- * The different parameters that define how this instance should work.
- * @see sigma.classes.Cascade
- * @type {Object}
- */
- this.p = {
- auto: true,
- drawNodes: 2,
- drawEdges: 1,
- drawLabels: 2,
- lastNodes: 2,
- lastEdges: 0,
- lastLabels: 2,
- drawHoverNodes: true,
- drawActiveNodes: true
- };
-
- /**
- * The root DOM element of this instance, containing every other elements.
- * @type {element}
- */
- this.domRoot = root;
-
- /**
- * The width of this instance - initially, the root's width.
- * @type {number}
- */
- this.width = this.domRoot.offsetWidth;
-
- /**
- * The height of this instance - initially, the root's height.
- * @type {number}
- */
- this.height = this.domRoot.offsetHeight;
-
- /**
- * The graph of this instance - initiallyempty.
- * @type {Graph}
- */
- this.graph = new Graph();
-
- /**
- * An object referencing every DOM elements used by this instance.
- * @type {Object}
- */
- this.domElements = {};
-
- initDOM('edges', 'canvas');
- initDOM('nodes', 'canvas');
- initDOM('labels', 'canvas');
- initDOM('hover', 'canvas');
- initDOM('monitor', 'div');
- initDOM('mouse', 'canvas');
-
- /**
- * The class dedicated to manage the drawing process of the graph of the
- * different canvas.
- * @type {Plotter}
- */
- this.plotter = new Plotter(
- this.domElements.nodes.getContext('2d'),
- this.domElements.edges.getContext('2d'),
- this.domElements.labels.getContext('2d'),
- this.domElements.hover.getContext('2d'),
- this.graph,
- this.width,
- this.height
- );
-
- /**
- * The class dedicated to monitor different probes about the running
- * processes or the data, such as the number of nodes or edges, or how
- * many times the graph is drawn per second.
- * @type {Monitor}
- */
- this.monitor = new Monitor(
- this,
- this.domElements.monitor
- );
-
- /**
- * The class dedicated to manage the different mouse events.
- * @type {MouseCaptor}
- */
- this.mousecaptor = new MouseCaptor(
- this.domElements.mouse,
- this.id
- );
-
- // Interaction listeners:
- this.mousecaptor.bind('drag interpolate', function(e) {
- self.draw(
- self.p.auto ? 2 : self.p.drawNodes,
- self.p.auto ? 0 : self.p.drawEdges,
- self.p.auto ? 2 : self.p.drawLabels,
- true
- );
- }).bind('stopdrag stopinterpolate', function(e) {
- self.draw(
- self.p.auto ? 2 : self.p.drawNodes,
- self.p.auto ? 1 : self.p.drawEdges,
- self.p.auto ? 2 : self.p.drawLabels,
- true
- );
- }).bind('mousedown mouseup', function(e) {
- var targeted = self.graph.nodes.filter(function(n) {
- return !!n['hover'];
- }).map(function(n) {
- return n.id;
- });
-
- self.dispatch(
- e['type'] == 'mousedown' ?
- 'downgraph' :
- 'upgraph'
- );
-
- if (targeted.length) {
- self.dispatch(
- e['type'] == 'mousedown' ?
- 'downnodes' :
- 'upnodes',
- targeted
- );
- }
- }).bind('move', function() {
- self.domElements.hover.getContext('2d').clearRect(
- 0,
- 0,
- self.domElements.hover.width,
- self.domElements.hover.height
- );
-
- drawHover();
- drawActive();
- });
-
- sigma.chronos.bind('startgenerators', function() {
- if (sigma.chronos.getGeneratorsIDs().some(function(id) {
- return !!id.match(new RegExp('_ext_' + self.id + '$', ''));
- })) {
- self.draw(
- self.p.auto ? 2 : self.p.drawNodes,
- self.p.auto ? 0 : self.p.drawEdges,
- self.p.auto ? 2 : self.p.drawLabels
- );
- }
- }).bind('stopgenerators', function() {
- self.draw();
- });
-
- /**
- * Resizes the element, and redraws the graph with the last settings.
- * @param {?number} w The new width (if undefined, it will use the root
- * width).
- * @param {?number} h The new height (if undefined, it will use the root
- * height).
- * @return {Sigma} Returns itself.
- */
- function resize(w, h) {
- var oldW = self.width, oldH = self.height;
-
- if (w != undefined && h != undefined) {
- self.width = w;
- self.height = h;
- }else {
- self.width = self.domRoot.offsetWidth;
- self.height = self.domRoot.offsetHeight;
- }
-
- if (oldW != self.width || oldH != self.height) {
- for (var k in self.domElements) {
- self.domElements[k].setAttribute('width', self.width + 'px');
- self.domElements[k].setAttribute('height', self.height + 'px');
- }
-
- self.plotter.resize(self.width, self.height);
-
- self.draw(
- self.p.lastNodes,
- self.p.lastEdges,
- self.p.lastLabels,
- true
- );
- }
- return self;
- };
-
- /**
- * Kills every drawing task currently running. Basically, it stops this
- * instance's drawing process.
- * @return {Sigma} Returns itself.
- */
- function clearSchedule() {
- sigma.chronos.removeTask(
- 'node_' + self.id, 2
- ).removeTask(
- 'edge_' + self.id, 2
- ).removeTask(
- 'label_' + self.id, 2
- ).stopTasks();
- return self;
- };
-
- /**
- * Initialize a DOM element, that will be stores by this instance, to make
- * automatic these elements resizing.
- * @private
- * @param {string} id The element's ID.
- * @param {string} type The element's nodeName (Example : canvas, div, ...).
- * @return {Sigma} Returns itself.
- */
- function initDOM(id, type) {
- self.domElements[id] = document.createElement(type);
- self.domElements[id].style.position = 'absolute';
- self.domElements[id].setAttribute('id', 'sigma_' + id + '_' + self.id);
- self.domElements[id].setAttribute('class', 'sigma_' + id + '_' + type);
- self.domElements[id].setAttribute('width', self.width + 'px');
- self.domElements[id].setAttribute('height', self.height + 'px');
-
- self.domRoot.appendChild(self.domElements[id]);
- return self;
- };
-
- /**
- * Starts the graph drawing process. The three first parameters indicate
- * how the different layers have to be drawn:
- * . -1: The layer is not drawn, but it is not erased.
- * . 0: The layer is not drawn.
- * . 1: The layer is drawn progressively.
- * . 2: The layer is drawn directly.
- * @param {?number} nodes Determines if and how the nodes must be drawn.
- * @param {?number} edges Determines if and how the edges must be drawn.
- * @param {?number} labels Determines if and how the labels must be drawn.
- * @param {?boolean} safe If true, nothing will happen if any generator
- * affiliated to this instance is currently running
- * (an iterative layout, for example).
- * @return {Sigma} Returns itself.
- */
- function draw(nodes, edges, labels, safe) {
- if (safe && sigma.chronos.getGeneratorsIDs().some(function(id) {
- return !!id.match(new RegExp('_ext_' + self.id + '$', ''));
- })) {
- return self;
- }
-
- var n = (nodes == undefined) ? self.p.drawNodes : nodes;
- var e = (edges == undefined) ? self.p.drawEdges : edges;
- var l = (labels == undefined) ? self.p.drawLabels : labels;
-
- var params = {
- nodes: n,
- edges: e,
- labels: l
- };
-
- self.p.lastNodes = n;
- self.p.lastEdges = e;
- self.p.lastLabels = l;
-
- // Remove tasks:
- clearSchedule();
-
- // Rescale graph:
- self.graph.rescale(
- self.width,
- self.height,
- n > 0,
- e > 0
- ).setBorders();
-
- self.mousecaptor.checkBorders(
- self.graph.borders,
- self.width,
- self.height
- );
-
- self.graph.translate(
- self.mousecaptor.stageX,
- self.mousecaptor.stageY,
- self.mousecaptor.ratio,
- n > 0,
- e > 0
- );
-
- self.dispatch(
- 'graphscaled'
- );
-
- // Clear scene:
- for (var k in self.domElements) {
- if (
- self.domElements[k].nodeName.toLowerCase() == 'canvas' &&
- (params[k] == undefined || params[k] >= 0)
- ) {
- self.domElements[k].getContext('2d').clearRect(
- 0,
- 0,
- self.domElements[k].width,
- self.domElements[k].height
- );
- }
- }
-
- self.plotter.currentEdgeIndex = 0;
- self.plotter.currentNodeIndex = 0;
- self.plotter.currentLabelIndex = 0;
-
- var previous = null;
- var start = false;
-
- if (n) {
- if (n > 1) {
- while (self.plotter.task_drawNode()) {}
- }else {
- sigma.chronos.addTask(
- self.plotter.task_drawNode,
- 'node_' + self.id,
- false
- );
-
- start = true;
- previous = 'node_' + self.id;
- }
- }
-
- if (l) {
- if (l > 1) {
- while (self.plotter.task_drawLabel()) {}
- } else {
- if (previous) {
- sigma.chronos.queueTask(
- self.plotter.task_drawLabel,
- 'label_' + self.id,
- previous
- );
- } else {
- sigma.chronos.addTask(
- self.plotter.task_drawLabel,
- 'label_' + self.id,
- false
- );
- }
-
- start = true;
- previous = 'label_' + self.id;
- }
- }
-
- if (e) {
- if (e > 1) {
- while (self.plotter.task_drawEdge()) {}
- }else {
- if (previous) {
- sigma.chronos.queueTask(
- self.plotter.task_drawEdge,
- 'edge_' + self.id,
- previous
- );
- }else {
- sigma.chronos.addTask(
- self.plotter.task_drawEdge,
- 'edge_' + self.id,
- false
- );
- }
-
- start = true;
- previous = 'edge_' + self.id;
- }
- }
-
- self.dispatch(
- 'draw'
- );
-
- self.refresh();
-
- start && sigma.chronos.runTasks();
- return self;
- };
-
- /**
- * Draws the hover and active nodes labels.
- * @return {Sigma} Returns itself.
- */
- function refresh() {
- self.domElements.hover.getContext('2d').clearRect(
- 0,
- 0,
- self.domElements.hover.width,
- self.domElements.hover.height
- );
-
- drawHover();
- drawActive();
-
- return self;
- }
-
- /**
- * Draws the hover nodes labels. This method is applied directly, and does
- * not use the pseudo-asynchronous tasks process.
- * @return {Sigma} Returns itself.
- */
- function drawHover() {
- if (self.p.drawHoverNodes) {
- self.graph.checkHover(
- self.mousecaptor.mouseX,
- self.mousecaptor.mouseY
- );
-
- self.graph.nodes.forEach(function(node) {
- if (node.hover && !node.active) {
- self.plotter.drawHoverNode(node);
- }
- });
- }
-
- return self;
- }
-
- /**
- * Draws the active nodes labels. This method is applied directly, and does
- * not use the pseudo-asynchronous tasks process.
- * @return {Sigma} Returns itself.
- */
- function drawActive() {
- if (self.p.drawActiveNodes) {
- self.graph.nodes.forEach(function(node) {
- if (node.active) {
- self.plotter.drawActiveNode(node);
- }
- });
- }
-
- return self;
- }
-
- // Apply plugins:
- for (var i = 0; i < local.plugins.length; i++) {
- local.plugins[i](this);
- }
-
- this.draw = draw;
- this.resize = resize;
- this.refresh = refresh;
- this.drawHover = drawHover;
- this.drawActive = drawActive;
- this.clearSchedule = clearSchedule;
-
- window.addEventListener('resize', function() {
- self.resize();
- });
-}
-
-/**
- * This class draws the graph on the different canvas DOM elements. It just
- * contains all the different methods to draw the graph, synchronously or
- * pseudo-asynchronously.
- * @constructor
- * @param {CanvasRenderingContext2D} nodesCtx Context dedicated to draw nodes.
- * @param {CanvasRenderingContext2D} edgesCtx Context dedicated to draw edges.
- * @param {CanvasRenderingContext2D} labelsCtx Context dedicated to draw
- * labels.
- * @param {CanvasRenderingContext2D} hoverCtx Context dedicated to draw hover
- * nodes labels.
- * @param {Graph} graph A reference to the graph to
- * draw.
- * @param {number} w The width of the DOM root
- * element.
- * @param {number} h The width of the DOM root
- * element.
- * @extends sigma.classes.Cascade
- * @this {Plotter}
- */
-function Plotter(nodesCtx, edgesCtx, labelsCtx, hoverCtx, graph, w, h) {
- sigma.classes.Cascade.call(this);
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {Plotter}
- */
- var self = this;
-
- /**
- * The different parameters that define how this instance should work.
- * @see sigma.classes.Cascade
- * @type {Object}
- */
- this.p = {
- // -------
- // LABELS:
- // -------
- // Label color:
- // - 'node'
- // - default (then defaultLabelColor
- // will be used instead)
- labelColor: 'default',
- defaultLabelColor: '#000',
- // Label hover background color:
- // - 'node'
- // - default (then defaultHoverLabelBGColor
- // will be used instead)
- labelHoverBGColor: 'default',
- defaultHoverLabelBGColor: '#fff',
- // Label hover shadow:
- labelHoverShadow: true,
- labelHoverShadowColor: '#000',
- // Label hover color:
- // - 'node'
- // - default (then defaultLabelHoverColor
- // will be used instead)
- labelHoverColor: 'default',
- defaultLabelHoverColor: '#000',
- // Label active background color:
- // - 'node'
- // - default (then defaultActiveLabelBGColor
- // will be used instead)
- labelActiveBGColor: 'default',
- defaultActiveLabelBGColor: '#fff',
- // Label active shadow:
- labelActiveShadow: true,
- labelActiveShadowColor: '#000',
- // Label active color:
- // - 'node'
- // - default (then defaultLabelActiveColor
- // will be used instead)
- labelActiveColor: 'default',
- defaultLabelActiveColor: '#000',
- // Label size:
- // - 'fixed'
- // - 'proportional'
- // Label size:
- // - 'fixed'
- // - 'proportional'
- labelSize: 'fixed',
- defaultLabelSize: 12, // for fixed display only
- labelSizeRatio: 2, // for proportional display only
- labelThreshold: 6,
- font: 'Arial',
- hoverFont: '',
- activeFont: '',
- fontStyle: '',
- hoverFontStyle: '',
- activeFontStyle: '',
- // ------
- // EDGES:
- // ------
- // Edge color:
- // - 'source'
- // - 'target'
- // - default (then defaultEdgeColor or edge['color']
- // will be used instead)
- edgeColor: 'source',
- defaultEdgeColor: '#aaa',
- defaultEdgeType: 'line',
- // ------
- // NODES:
- // ------
- defaultNodeColor: '#aaa',
- // HOVER:
- // Node hover color:
- // - 'node'
- // - default (then defaultNodeHoverColor
- // will be used instead)
- nodeHoverColor: 'node',
- defaultNodeHoverColor: '#fff',
- // ACTIVE:
- // Node active color:
- // - 'node'
- // - default (then defaultNodeActiveColor
- // will be used instead)
- nodeActiveColor: 'node',
- defaultNodeActiveColor: '#fff',
- // Node border color:
- // - 'node'
- // - default (then defaultNodeBorderColor
- // will be used instead)
- borderSize: 0,
- nodeBorderColor: 'node',
- defaultNodeBorderColor: '#fff',
- // --------
- // PROCESS:
- // --------
- edgesSpeed: 200,
- nodesSpeed: 200,
- labelsSpeed: 200
- };
-
- /**
- * The canvas context dedicated to draw the nodes.
- * @type {CanvasRenderingContext2D}
- */
- var nodesCtx = nodesCtx;
-
- /**
- * The canvas context dedicated to draw the edges.
- * @type {CanvasRenderingContext2D}
- */
- var edgesCtx = edgesCtx;
-
- /**
- * The canvas context dedicated to draw the labels.
- * @type {CanvasRenderingContext2D}
- */
- var labelsCtx = labelsCtx;
-
- /**
- * The canvas context dedicated to draw the hover nodes.
- * @type {CanvasRenderingContext2D}
- */
- var hoverCtx = hoverCtx;
-
- /**
- * A reference to the graph to draw.
- * @type {Graph}
- */
- var graph = graph;
-
- /**
- * The width of the stage to draw on.
- * @type {number}
- */
- var width = w;
-
- /**
- * The height of the stage to draw on.
- * @type {number}
- */
- var height = h;
-
- /**
- * The index of the next edge to draw.
- * @type {number}
- */
- this.currentEdgeIndex = 0;
-
- /**
- * The index of the next node to draw.
- * @type {number}
- */
- this.currentNodeIndex = 0;
-
- /**
- * The index of the next label to draw.
- * @type {number}
- */
- this.currentLabelIndex = 0;
-
- /**
- * An atomic function to drawn the N next edges, with N as edgesSpeed.
- * The counter is {@link this.currentEdgeIndex}.
- * This function has been designed to work with {@link sigma.chronos}, that
- * will insert frames at the middle of the calls, to make the edges drawing
- * process fluid for the user.
- * @see sigma.chronos
- * @return {boolean} Returns true if all the edges are drawn and false else.
- */
- function task_drawEdge() {
- var c = graph.edges.length;
- var s, t, i = 0;
-
- while (i++< self.p.edgesSpeed && self.currentEdgeIndex < c) {
- e = graph.edges[self.currentEdgeIndex];
- s = e['source'];
- t = e['target'];
- if (e['hidden'] ||
- s['hidden'] ||
- t['hidden'] ||
- (!self.isOnScreen(s) && !self.isOnScreen(t))) {
- self.currentEdgeIndex++;
- }else {
- drawEdge(graph.edges[self.currentEdgeIndex++]);
- }
- }
-
- return self.currentEdgeIndex < c;
- };
-
- /**
- * An atomic function to drawn the N next nodes, with N as nodesSpeed.
- * The counter is {@link this.currentEdgeIndex}.
- * This function has been designed to work with {@link sigma.chronos}, that
- * will insert frames at the middle of the calls, to make the nodes drawing
- * process fluid for the user.
- * @see sigma.chronos
- * @return {boolean} Returns true if all the nodes are drawn and false else.
- */
- function task_drawNode() {
- var c = graph.nodes.length;
- var i = 0;
-
- while (i++< self.p.nodesSpeed && self.currentNodeIndex < c) {
- if (!self.isOnScreen(graph.nodes[self.currentNodeIndex])) {
- self.currentNodeIndex++;
- }else {
- drawNode(graph.nodes[self.currentNodeIndex++]);
- }
- }
-
- return self.currentNodeIndex < c;
- };
-
- /**
- * An atomic function to drawn the N next labels, with N as labelsSpeed.
- * The counter is {@link this.currentEdgeIndex}.
- * This function has been designed to work with {@link sigma.chronos}, that
- * will insert frames at the middle of the calls, to make the labels drawing
- * process fluid for the user.
- * @see sigma.chronos
- * @return {boolean} Returns true if all the labels are drawn and false else.
- */
- function task_drawLabel() {
- var c = graph.nodes.length;
- var i = 0;
-
- while (i++< self.p.labelsSpeed && self.currentLabelIndex < c) {
- if (!self.isOnScreen(graph.nodes[self.currentLabelIndex])) {
- self.currentLabelIndex++;
- }else {
- drawLabel(graph.nodes[self.currentLabelIndex++]);
- }
- }
-
- return self.currentLabelIndex < c;
- };
-
- /**
- * Draws one node to the corresponding canvas.
- * @param {Object} node The node to draw.
- * @return {Plotter} Returns itself.
- */
- function drawNode(node) {
- var size = Math.round(node['displaySize'] * 10) / 10;
- var ctx = nodesCtx;
-
- ctx.fillStyle = node['color'];
- ctx.beginPath();
- ctx.arc(node['displayX'],
- node['displayY'],
- size,
- 0,
- Math.PI * 2,
- true);
-
- ctx.closePath();
- ctx.fill();
-
- node['hover'] && drawHoverNode(node);
- return self;
- };
-
- /**
- * Draws one edge to the corresponding canvas.
- * @param {Object} edge The edge to draw.
- * @return {Plotter} Returns itself.
- */
- function drawEdge(edge) {
- var x1 = edge['source']['displayX'];
- var y1 = edge['source']['displayY'];
- var x2 = edge['target']['displayX'];
- var y2 = edge['target']['displayY'];
- var color = edge['color'];
-
- if (!color) {
- switch (self.p.edgeColor) {
- case 'source':
- color = edge['source']['color'] ||
- self.p.defaultNodeColor;
- break;
- case 'target':
- color = edge['target']['color'] ||
- self.p.defaultNodeColor;
- break;
- default:
- color = self.p.defaultEdgeColor;
- break;
- }
- }
-
- var ctx = edgesCtx;
-
- switch (edge['type'] || self.p.defaultEdgeType) {
- case 'curve':
- ctx.strokeStyle = color;
- ctx.lineWidth = edge['displaySize'] / 3;
- ctx.beginPath();
- ctx.moveTo(x1, y1);
- ctx.quadraticCurveTo((x1 + x2) / 2 + (y2 - y1) / 4,
- (y1 + y2) / 2 + (x1 - x2) / 4,
- x2,
- y2);
- ctx.stroke();
- break;
- case 'line':
- default:
- ctx.strokeStyle = color;
- ctx.lineWidth = edge['displaySize'] / 3;
- ctx.beginPath();
- ctx.moveTo(x1, y1);
- ctx.lineTo(x2, y2);
-
- ctx.stroke();
- break;
- }
-
- return self;
- };
-
- /**
- * Draws one label to the corresponding canvas.
- * @param {Object} node The label to draw.
- * @return {Plotter} Returns itself.
- */
- function drawLabel(node) {
- var ctx = labelsCtx;
-
- if (node['displaySize'] >= self.p.labelThreshold || node['forceLabel']) {
- var fontSize = self.p.labelSize == 'fixed' ?
- self.p.defaultLabelSize :
- self.p.labelSizeRatio * node['displaySize'];
-
- ctx.font = self.p.fontStyle + fontSize + 'px ' + self.p.font;
-
- ctx.fillStyle = self.p.labelColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultLabelColor;
- ctx.fillText(
- node['label'],
- Math.round(node['displayX'] + node['displaySize'] * 1.5),
- Math.round(node['displayY'] + fontSize / 2 - 3)
- );
- }
-
- return self;
- };
-
- /**
- * Draws one hover node to the corresponding canvas.
- * @param {Object} node The hover node to draw.
- * @return {Plotter} Returns itself.
- */
- function drawHoverNode(node) {
- var ctx = hoverCtx;
-
- var fontSize = self.p.labelSize == 'fixed' ?
- self.p.defaultLabelSize :
- self.p.labelSizeRatio * node['displaySize'];
-
- ctx.font = (self.p.hoverFontStyle || self.p.fontStyle || '') + ' ' +
- fontSize + 'px ' +
- (self.p.hoverFont || self.p.font || '');
-
- ctx.fillStyle = self.p.labelHoverBGColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultHoverLabelBGColor;
-
- // Label background:
- ctx.beginPath();
-
- if (self.p.labelHoverShadow) {
- ctx.shadowOffsetX = 0;
- ctx.shadowOffsetY = 0;
- ctx.shadowBlur = 4;
- ctx.shadowColor = self.p.labelHoverShadowColor;
- }
-
- sigma.tools.drawRoundRect(
- ctx,
- Math.round(node['displayX'] - fontSize / 2 - 2),
- Math.round(node['displayY'] - fontSize / 2 - 2),
- Math.round(ctx.measureText(node['label']).width +
- node['displaySize'] * 1.5 +
- fontSize / 2 + 4),
- Math.round(fontSize + 4),
- Math.round(fontSize / 2 + 2),
- 'left'
- );
- ctx.closePath();
- ctx.fill();
-
- ctx.shadowOffsetX = 0;
- ctx.shadowOffsetY = 0;
- ctx.shadowBlur = 0;
-
- // Node border:
- ctx.beginPath();
- ctx.fillStyle = self.p.nodeBorderColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultNodeBorderColor;
- ctx.arc(Math.round(node['displayX']),
- Math.round(node['displayY']),
- node['displaySize'] + self.p.borderSize,
- 0,
- Math.PI * 2,
- true);
- ctx.closePath();
- ctx.fill();
-
- // Node:
- ctx.beginPath();
- ctx.fillStyle = self.p.nodeHoverColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultNodeHoverColor;
- ctx.arc(Math.round(node['displayX']),
- Math.round(node['displayY']),
- node['displaySize'],
- 0,
- Math.PI * 2,
- true);
-
- ctx.closePath();
- ctx.fill();
-
- // Label:
- ctx.fillStyle = self.p.labelHoverColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultLabelHoverColor;
- ctx.fillText(
- node['label'],
- Math.round(node['displayX'] + node['displaySize'] * 1.5),
- Math.round(node['displayY'] + fontSize / 2 - 3)
- );
-
- return self;
- };
-
- /**
- * Draws one active node to the corresponding canvas.
- * @param {Object} node The active node to draw.
- * @return {Plotter} Returns itself.
- */
- function drawActiveNode(node) {
- var ctx = hoverCtx;
-
- if (!isOnScreen(node)) {
- return self;
- }
-
- var fontSize = self.p.labelSize == 'fixed' ?
- self.p.defaultLabelSize :
- self.p.labelSizeRatio * node['displaySize'];
-
- ctx.font = (self.p.activeFontStyle || self.p.fontStyle || '') + ' ' +
- fontSize + 'px ' +
- (self.p.activeFont || self.p.font || '');
-
- ctx.fillStyle = self.p.labelHoverBGColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultActiveLabelBGColor;
-
- // Label background:
- ctx.beginPath();
-
- if (self.p.labelActiveShadow) {
- ctx.shadowOffsetX = 0;
- ctx.shadowOffsetY = 0;
- ctx.shadowBlur = 4;
- ctx.shadowColor = self.p.labelActiveShadowColor;
- }
-
- sigma.tools.drawRoundRect(
- ctx,
- Math.round(node['displayX'] - fontSize / 2 - 2),
- Math.round(node['displayY'] - fontSize / 2 - 2),
- Math.round(ctx.measureText(node['label']).width +
- node['displaySize'] * 1.5 +
- fontSize / 2 + 4),
- Math.round(fontSize + 4),
- Math.round(fontSize / 2 + 2),
- 'left'
- );
- ctx.closePath();
- ctx.fill();
-
- ctx.shadowOffsetX = 0;
- ctx.shadowOffsetY = 0;
- ctx.shadowBlur = 0;
-
- // Node border:
- ctx.beginPath();
- ctx.fillStyle = self.p.nodeBorderColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultNodeBorderColor;
- ctx.arc(Math.round(node['displayX']),
- Math.round(node['displayY']),
- node['displaySize'] + self.p.borderSize,
- 0,
- Math.PI * 2,
- true);
- ctx.closePath();
- ctx.fill();
-
- // Node:
- ctx.beginPath();
- ctx.fillStyle = self.p.nodeActiveColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultNodeActiveColor;
- ctx.arc(Math.round(node['displayX']),
- Math.round(node['displayY']),
- node['displaySize'],
- 0,
- Math.PI * 2,
- true);
-
- ctx.closePath();
- ctx.fill();
-
- // Label:
- ctx.fillStyle = self.p.labelActiveColor == 'node' ?
- (node['color'] || self.p.defaultNodeColor) :
- self.p.defaultLabelActiveColor;
- ctx.fillText(
- node['label'],
- Math.round(node['displayX'] + node['displaySize'] * 1.5),
- Math.round(node['displayY'] + fontSize / 2 - 3)
- );
-
- return self;
- };
-
- /**
- * Determines if a node is on the screen or not. The limits here are
- * bigger than the actual screen, to avoid seeing labels disappear during
- * the graph manipulation.
- * @param {Object} node The node to check if it is on or out the screen.
- * @return {boolean} Returns false if the node is hidden or not on the screen
- * or true else.
- */
- function isOnScreen(node) {
- if (isNaN(node['x']) || isNaN(node['y'])) {
- throw (new Error('A node\'s coordinate is not a ' +
- 'number (id: ' + node['id'] + ')')
- );
- }
-
- return !node['hidden'] &&
- (node['displayX'] + node['displaySize'] > -width / 3) &&
- (node['displayX'] - node['displaySize'] < width * 4 / 3) &&
- (node['displayY'] + node['displaySize'] > -height / 3) &&
- (node['displayY'] - node['displaySize'] < height * 4 / 3);
- };
-
- /**
- * Resizes this instance.
- * @param {number} w The new width.
- * @param {number} h The new height.
- * @return {Plotter} Returns itself.
- */
- function resize(w, h) {
- width = w;
- height = h;
-
- return self;
- }
-
- this.task_drawLabel = task_drawLabel;
- this.task_drawEdge = task_drawEdge;
- this.task_drawNode = task_drawNode;
- this.drawActiveNode = drawActiveNode;
- this.drawHoverNode = drawHoverNode;
- this.isOnScreen = isOnScreen;
- this.resize = resize;
-}
-
-function SigmaPublic(sigmaInstance) {
- var s = sigmaInstance;
- var self = this;
- sigma.classes.EventDispatcher.call(this);
-
- this._core = sigmaInstance;
-
- this.kill = function() {
- // TODO
- };
-
- this.getID = function() {
- return s.id;
- };
-
- // Config:
- this.configProperties = function(a1, a2) {
- var res = s.config(a1, a2);
- return res == s ? self : res;
- };
-
- this.drawingProperties = function(a1, a2) {
- var res = s.plotter.config(a1, a2);
- return res == s.plotter ? self : res;
- };
-
- this.mouseProperties = function(a1, a2) {
- var res = s.mousecaptor.config(a1, a2);
- return res == s.mousecaptor ? self : res;
- };
-
- this.graphProperties = function(a1, a2) {
- var res = s.graph.config(a1, a2);
- return res == s.graph ? self : res;
- };
-
- this.getMouse = function() {
- return {
- mouseX: s.mousecaptor.mouseX,
- mouseY: s.mousecaptor.mouseY,
- down: s.mousecaptor.isMouseDown
- };
- };
-
- // Actions:
- this.position = function(stageX, stageY, ratio) {
- if (arguments.length == 0) {
- return {
- stageX: s.mousecaptor.stageX,
- stageY: s.mousecaptor.stageY,
- ratio: s.mousecaptor.ratio
- };
- }else {
- s.mousecaptor.stageX = stageX != undefined ?
- stageX :
- s.mousecaptor.stageX;
- s.mousecaptor.stageY = stageY != undefined ?
- stageY :
- s.mousecaptor.stageY;
- s.mousecaptor.ratio = ratio != undefined ?
- ratio :
- s.mousecaptor.ratio;
-
- return self;
- }
- };
-
- this.goTo = function(stageX, stageY, ratio) {
- s.mousecaptor.interpolate(stageX, stageY, ratio);
- return self;
- };
-
- this.zoomTo = function(x, y, ratio) {
- ratio = Math.min(
- Math.max(s.mousecaptor.config('minRatio'), ratio),
- s.mousecaptor.config('maxRatio')
- );
- if (ratio == s.mousecaptor.ratio) {
- s.mousecaptor.interpolate(
- x - s.width / 2 + s.mousecaptor.stageX,
- y - s.height / 2 + s.mousecaptor.stageY
- );
- }else {
- s.mousecaptor.interpolate(
- (ratio * x - s.mousecaptor.ratio * s.width/2) /
- (ratio - s.mousecaptor.ratio),
- (ratio * y - s.mousecaptor.ratio * s.height/2) /
- (ratio - s.mousecaptor.ratio),
- ratio
- );
- }
- return self;
- };
-
- this.resize = function(w, h) {
- s.resize(w, h);
- return self;
- };
-
- this.draw = function(nodes, edges, labels, safe) {
- s.draw(nodes, edges, labels, safe);
- return self;
- };
-
- this.refresh = function() {
- s.refresh();
- return self;
- };
-
- // Tasks methods:
- this.addGenerator = function(id, task, condition) {
- sigma.chronos.addGenerator(id + '_ext_' + s.id, task, condition);
- return self;
- };
-
- this.removeGenerator = function(id) {
- sigma.chronos.removeGenerator(id + '_ext_' + s.id);
- return self;
- };
-
- // Graph methods:
- this.addNode = function(id, params) {
- s.graph.addNode(id, params);
- return self;
- };
-
- this.addEdge = function(id, source, target, params) {
- s.graph.addEdge(id, source, target, params);
- return self;
- }
-
- this.dropNode = function(v) {
- s.graph.dropNode(v);
- return self;
- };
-
- this.dropEdge = function(v) {
- s.graph.dropEdge(v);
- return self;
- };
-
- this.pushGraph = function(object, safe) {
- object.nodes && object.nodes.forEach(function(node) {
- node['id'] && (!safe || !s.graph.nodesIndex[node['id']]) &&
- self.addNode(node['id'], node);
- });
-
- var isEdgeValid;
- object.edges && object.edges.forEach(function(edge) {
- validID = edge['source'] && edge['target'] && edge['id'];
- validID &&
- (!safe || !s.graph.edgesIndex[edge['id']]) &&
- self.addNode(
- edge['id'],
- edge['source'],
- edge['target'],
- edge
- );
- });
-
- return self;
- };
-
- this.emptyGraph = function() {
- s.graph.empty();
- return self;
- };
-
- this.getNodesCount = function() {
- return s.graph.nodes.length;
- };
-
- this.getEdgesCount = function() {
- return s.graph.edges.length;
- };
-
- this.iterNodes = function(fun, ids) {
- s.graph.iterNodes(fun, ids);
- return self;
- };
-
- this.iterEdges = function(fun, ids) {
- s.graph.iterEdges(fun, ids);
- return self;
- };
-
- this.getNodes = function(ids) {
- return s.graph.getNodes(ids);
- };
-
- this.getEdges = function(ids) {
- return s.graph.getEdges(ids);
- };
-
- // Monitoring
- this.activateMonitoring = function() {
- return s.monitor.activate();
- };
-
- this.desactivateMonitoring = function() {
- return s.monitor.desactivate();
- };
-
- // Events
- s.bind('downnodes upnodes downgraph upgraph', function(e) {
- self.dispatch(e.type, e.content);
- });
-
- s.graph.bind('overnodes outnodes', function(e) {
- self.dispatch(e.type, e.content);
- });
-}
-
-/**
- * The graph data model used in sigma.js.
- * @constructor
- * @extends sigma.classes.Cascade
- * @extends sigma.classes.EventDispatcher
- * @this {Graph}
- */
-function Graph() {
- sigma.classes.Cascade.call(this);
- sigma.classes.EventDispatcher.call(this);
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {Graph}
- */
- var self = this;
-
- /**
- * The different parameters that determine how the nodes and edges should be
- * translated and rescaled.
- * @type {Object}
- */
- this.p = {
- minNodeSize: 0,
- maxNodeSize: 0,
- minEdgeSize: 0,
- maxEdgeSize: 0,
- // Scaling mode:
- // - 'inside' (default)
- // - 'outside'
- scalingMode: 'inside',
- nodesPowRatio: 0.5,
- edgesPowRatio: 0
- };
-
- /**
- * Contains the borders of the graph. These are useful to avoid the user to
- * drag the graph out of the canvas.
- * @type {Object}
- */
- this.borders = {};
-
- /**
- * Inserts a node in the graph.
- * @param {string} id The node's ID.
- * @param {object} params An object containing the different parameters
- * of the node.
- * @return {Graph} Returns itself.
- */
- function addNode(id, params) {
- if (self.nodesIndex[id]) {
- throw new Error('Node "' + id + '" already exists.');
- }
-
- params = params || {};
- var n = {
- // Numbers :
- 'x': 0,
- 'y': 0,
- 'size': 1,
- 'degree': 0,
- 'inDegree': 0,
- 'outDegree': 0,
- // Flags :
- 'fixed': false,
- 'active': false,
- 'hidden': false,
- 'forceLabel': false,
- // Strings :
- 'label': id.toString(),
- 'id': id.toString(),
- // Custom attributes :
- 'attr': {}
- };
-
- for (var k in params) {
- switch (k) {
- case 'id':
- break;
- case 'x':
- case 'y':
- case 'size':
- n[k] = +params[k];
- break;
- case 'fixed':
- case 'active':
- case 'hidden':
- case 'forceLabel':
- n[k] = !!params[k];
- break;
- case 'color':
- case 'label':
- n[k] = params[k];
- break;
- default:
- n['attr'][k] = params[k];
- }
- }
-
- self.nodes.push(n);
- self.nodesIndex[id.toString()] = n;
-
- return self;
- };
-
- /**
- * Generates the clone of a node, to make it easier to be exported.
- * @private
- * @param {Object} node The node to clone.
- * @return {Object} The clone of the node.
- */
- function cloneNode(node) {
- return {
- 'x': node['x'],
- 'y': node['y'],
- 'size': node['size'],
- 'degree': node['degree'],
- 'inDegree': node['inDegree'],
- 'outDegree': node['outDegree'],
- 'displayX': node['displayX'],
- 'displayY': node['displayY'],
- 'displaySize': node['displaySize'],
- 'label': node['label'],
- 'id': node['id'],
- 'color': node['color'],
- 'fixed': node['fixed'],
- 'active': node['active'],
- 'hidden': node['hidden'],
- 'forceLabel': node['forceLabel'],
- 'attr': node['attr']
- };
- };
-
- /**
- * Checks the clone of a node, and inserts its values when possible. For
- * example, it is possible to modify the size or the color of a node, but it
- * is not possible to modify its display values or its id.
- * @private
- * @param {Object} node The original node.
- * @param {Object} copy The clone.
- * @return {Graph} Returns itself.
- */
- function checkNode(node, copy) {
- for (var k in copy) {
- switch (k) {
- case 'id':
- case 'attr':
- case 'degree':
- case 'inDegree':
- case 'outDegree':
- case 'displayX':
- case 'displayY':
- case 'displaySize':
- break;
- case 'x':
- case 'y':
- case 'size':
- node[k] = +copy[k];
- break;
- case 'fixed':
- case 'active':
- case 'hidden':
- case 'forceLabel':
- node[k] = !!copy[k];
- break;
- case 'color':
- case 'label':
- node[k] = (copy[k] || '').toString();
- break;
- default:
- node['attr'][k] = copy[k];
- }
- }
-
- return self;
- };
-
- /**
- * Deletes one or several nodes from the graph, and the related edges.
- * @param {(string|Array.<string>)} v A string ID, or an Array of several
- * IDs.
- * @return {Graph} Returns itself.
- */
- function dropNode(v) {
- var a = (v instanceof Array ? v : [v]) || [];
-
- a.forEach(function(id) {
- if (self.nodesIndex[id]) {
- var index = null;
- self.nodes.some(function(n, i) {
- if (n['id'] == id) {
- index = i;
- return true;
- }
- return false;
- });
-
- index != null && self.nodes.splice(index, 1);
- delete self.nodesIndex[id];
-
- var edgesToRemove = [];
- self.edges = self.edges.filter(function(e) {
- if (e['source']['id'] == id) {
- delete self.edgesIndex[e['id']];
- e['target']['degree']--;
- e['target']['inDegree']--;
- return false;
- }else if (e['target']['id'] == id) {
- delete self.edgesIndex[e['id']];
- e['source']['degree']--;
- e['source']['outDegree']--;
- return false;
- }
- return true;
- });
- }else {
- sigma.log('Node "' + id + '" does not exist.');
- }
- });
-
- return self;
- };
-
- /**
- * Inserts an edge in the graph.
- * @param {string} id The edge ID.
- * @param {string} source The ID of the edge source.
- * @param {string} target The ID of the edge target.
- * @param {object} params An object containing the different parameters
- * of the edge.
- * @return {Graph} Returns itself.
- */
- function addEdge(id, source, target, params) {
- if (self.edgesIndex[id]) {
- throw new Error('Edge "' + id + '" already exists.');
- }
-
- if (!self.nodesIndex[source]) {
- var s = 'Edge\'s source "' + source + '" does not exist yet.';
- throw new Error(s);
- }
-
- if (!self.nodesIndex[target]) {
- var s = 'Edge\'s target "' + target + '" does not exist yet.';
- throw new Error(s);
- }
-
- params = params || {};
- var e = {
- 'source': self.nodesIndex[source],
- 'target': self.nodesIndex[target],
- 'size': 1,
- 'weight': 1,
- 'displaySize': 0.5,
- 'label': id.toString(),
- 'id': id.toString(),
- 'hidden': false,
- 'attr': {}
- };
-
- e['source']['degree']++;
- e['source']['outDegree']++;
- e['target']['degree']++;
- e['target']['inDegree']++;
-
- for (var k in params) {
- switch (k) {
- case 'id':
- case 'source':
- case 'target':
- break;
- case 'hidden':
- e[k] = !!params[k];
- break;
- case 'size':
- case 'weight':
- e[k] = +params[k];
- break;
- case 'color':
- e[k] = params[k].toString();
- break;
- case 'type':
- e[k] = params[k].toString();
- break;
- case 'label':
- e[k] = params[k];
- break;
- default:
- e['attr'][k] = params[k];
- }
- }
-
- self.edges.push(e);
- self.edgesIndex[id.toString()] = e;
-
- return self;
- };
-
- /**
- * Generates the clone of a edge, to make it easier to be exported.
- * @private
- * @param {Object} edge The edge to clone.
- * @return {Object} The clone of the edge.
- */
- function cloneEdge(edge) {
- return {
- 'source': edge['source']['id'],
- 'target': edge['target']['id'],
- 'size': edge['size'],
- 'type': edge['type'],
- 'weight': edge['weight'],
- 'displaySize': edge['displaySize'],
- 'label': edge['label'],
- 'hidden': edge['hidden'],
- 'id': edge['id'],
- 'attr': edge['attr'],
- 'color': edge['color']
- };
- };
-
- /**
- * Checks the clone of an edge, and inserts its values when possible. For
- * example, it is possible to modify the label or the type of an edge, but it
- * is not possible to modify its display values or its id.
- * @private
- * @param {Object} edge The original edge.
- * @param {Object} copy The clone.
- * @return {Graph} Returns itself.
- */
- function checkEdge(edge, copy) {
- for (var k in copy) {
- switch (k) {
- case 'id':
- case 'displaySize':
- break;
- case 'weight':
- case 'size':
- edge[k] = +copy[k];
- break;
- case 'source':
- case 'target':
- edge[k] = self.nodesIndex[k] || edge[k];
- break;
- case 'hidden':
- edge[k] = !!copy[k];
- break;
- case 'color':
- case 'label':
- case 'type':
- edge[k] = (copy[k] || '').toString();
- break;
- default:
- edge['attr'][k] = copy[k];
- }
- }
-
- return self;
- };
-
- /**
- * Deletes one or several edges from the graph.
- * @param {(string|Array.<string>)} v A string ID, or an Array of several
- * IDs.
- * @return {Graph} Returns itself.
- */
- function dropEdge(v) {
- var a = (v instanceof Array ? v : [v]) || [];
-
- a.forEach(function(id) {
- if (self.edgesIndex[id]) {
- self.edgesIndex[id]['source']['degree']--;
- self.edgesIndex[id]['source']['outDegree']--;
- self.edgesIndex[id]['target']['degree']--;
- self.edgesIndex[id]['target']['inDegree']--;
-
- var index = null;
- self.edges.some(function(n, i) {
- if (n['id'] == id) {
- index = i;
- return true;
- }
- return false;
- });
-
- index != null && self.edges.splice(index, 1);
- delete self.edgesIndex[id];
- }else {
- sigma.log('Edge "' + id + '" does not exist.');
- }
- });
-
- return self;
- };
-
- /**
- * Deletes every nodes and edges from the graph.
- * @return {Graph} Returns itself.
- */
- function empty() {
- self.nodes = [];
- self.nodesIndex = {};
- self.edges = [];
- self.edgesIndex = {};
-
- return self;
- };
-
- /**
- * Computes the display x, y and size of each node, relatively to the
- * original values and the borders determined in the parameters, such as
- * each node is in the described area.
- * @param {number} w The area width (actually the width of the DOM
- * root).
- * @param {number} h The area height (actually the height of the
- * DOM root).
- * @param {boolean} parseNodes Indicates if the nodes have to be parsed.
- * @param {boolean} parseEdges Indicates if the edges have to be parsed.
- * @return {Graph} Returns itself.
- */
- function rescale(w, h, parseNodes, parseEdges) {
- var weightMax = 0, sizeMax = 0;
-
- parseNodes && self.nodes.forEach(function(node) {
- sizeMax = Math.max(node['size'], sizeMax);
- });
-
- parseEdges && self.edges.forEach(function(edge) {
- weightMax = Math.max(edge['size'], weightMax);
- });
-
- sizeMax = sizeMax || 1;
- weightMax = weightMax || 1;
-
- // Recenter the nodes:
- var xMin, xMax, yMin, yMax;
- parseNodes && self.nodes.forEach(function(node) {
- xMax = Math.max(node['x'], xMax || node['x']);
- xMin = Math.min(node['x'], xMin || node['x']);
- yMax = Math.max(node['y'], yMax || node['y']);
- yMin = Math.min(node['y'], yMin || node['y']);
- });
-
- // First, we compute the scaling ratio, without considering the sizes
- // of the nodes : Each node will have its center in the canvas, but might
- // be partially out of it.
- var scale = self.p.scalingMode == 'outside' ?
- Math.max(w / Math.max(xMax - xMin, 1),
- h / Math.max(yMax - yMin, 1)) :
- Math.min(w / Math.max(xMax - xMin, 1),
- h / Math.max(yMax - yMin, 1));
-
- // Then, we correct that scaling ratio considering a margin, which is
- // basically the size of the biggest node.
- // This has to be done as a correction since to compare the size of the
- // biggest node to the X and Y values, we have to first get an
- // approximation of the scaling ratio.
- var margin = (self.p.maxNodeSize || sizeMax) / scale;
- xMax += margin;
- xMin -= margin;
- yMax += margin;
- yMin -= margin;
-
- scale = self.p.scalingMode == 'outside' ?
- Math.max(w / Math.max(xMax - xMin, 1),
- h / Math.max(yMax - yMin, 1)) :
- Math.min(w / Math.max(xMax - xMin, 1),
- h / Math.max(yMax - yMin, 1));
-
- // Size homothetic parameters:
- var a, b;
- if (!self.p.maxNodeSize && !self.p.minNodeSize) {
- a = 1;
- b = 0;
- }else if (self.p.maxNodeSize == self.p.minNodeSize) {
- a = 0;
- b = self.p.maxNodeSize;
- }else {
- a = (self.p.maxNodeSize - self.p.minNodeSize) / sizeMax;
- b = self.p.minNodeSize;
- }
-
- var c, d;
- if (!self.p.maxEdgeSize && !self.p.minEdgeSize) {
- c = 1;
- d = 0;
- }else if (self.p.maxEdgeSize == self.p.minEdgeSize) {
- c = 0;
- d = self.p.minEdgeSize;
- }else {
- c = (self.p.maxEdgeSize - self.p.minEdgeSize) / weightMax;
- d = self.p.minEdgeSize;
- }
-
- // Rescale the nodes:
- parseNodes && self.nodes.forEach(function(node) {
- node['displaySize'] = node['size'] * a + b;
-
- if (!node['fixed']) {
- node['displayX'] = (node['x'] - (xMax + xMin) / 2) * scale + w / 2;
- node['displayY'] = (node['y'] - (yMax + yMin) / 2) * scale + h / 2;
- }
- });
-
- parseEdges && self.edges.forEach(function(edge) {
- edge['displaySize'] = edge['size'] * c + d;
- });
-
- return self;
- };
-
- /**
- * Translates the display values of the nodes and edges relatively to the
- * scene position and zoom ratio.
- * @param {number} sceneX The x position of the scene.
- * @param {number} sceneY The y position of the scene.
- * @param {number} ratio The zoom ratio of the scene.
- * @param {boolean} parseNodes Indicates if the nodes have to be parsed.
- * @param {boolean} parseEdges Indicates if the edges have to be parsed.
- * @return {Graph} Returns itself.
- */
- function translate(sceneX, sceneY, ratio, parseNodes, parseEdges) {
- var sizeRatio = Math.pow(ratio, self.p.nodesPowRatio);
- parseNodes && self.nodes.forEach(function(node) {
- if (!node['fixed']) {
- node['displayX'] = node['displayX'] * ratio + sceneX;
- node['displayY'] = node['displayY'] * ratio + sceneY;
- }
-
- node['displaySize'] = node['displaySize'] * sizeRatio;
- });
-
- sizeRatio = Math.pow(ratio, self.p.edgesPowRatio);
- parseEdges && self.edges.forEach(function(edge) {
- edge['displaySize'] = edge['displaySize'] * sizeRatio;
- });
-
- return self;
- };
-
- /**
- * Determines the borders of the graph as it will be drawn. It is used to
- * avoid the user to drag the graph out of the canvas.
- */
- function setBorders() {
- self.borders = {};
-
- self.nodes.forEach(function(node) {
- self.borders.minX = Math.min(
- self.borders.minX == undefined ?
- node['displayX'] - node['displaySize'] :
- self.borders.minX,
- node['displayX'] - node['displaySize']
- );
-
- self.borders.maxX = Math.max(
- self.borders.maxX == undefined ?
- node['displayX'] + node['displaySize'] :
- self.borders.maxX,
- node['displayX'] + node['displaySize']
- );
-
- self.borders.minY = Math.min(
- self.borders.minY == undefined ?
- node['displayY'] - node['displaySize'] :
- self.borders.minY,
- node['displayY'] - node['displaySize']
- );
-
- self.borders.maxY = Math.max(
- self.borders.maxY == undefined ?
- node['displayY'] - node['displaySize'] :
- self.borders.maxY,
- node['displayY'] - node['displaySize']
- );
- });
- }
-
- /**
- * Checks which nodes are under the (mX, mY) points, representing the mouse
- * position.
- * @param {number} mX The mouse X position.
- * @param {number} mY The mouse Y position.
- * @return {Graph} Returns itself.
- */
- function checkHover(mX, mY) {
- var dX, dY, s, over = [], out = [];
- self.nodes.forEach(function(node) {
- if (node['hidden']) {
- node['hover'] = false;
- return;
- }
-
- dX = Math.abs(node['displayX'] - mX);
- dY = Math.abs(node['displayY'] - mY);
- s = node['displaySize'];
-
- var oldH = node['hover'];
- var newH = dX < s && dY < s && Math.sqrt(dX * dX + dY * dY) < s;
-
- if (oldH && !newH) {
- node['hover'] = false;
- out.push(node.id);
- } else if (newH && !oldH) {
- node['hover'] = true;
- over.push(node.id);
- }
- });
-
- over.length && self.dispatch('overnodes', over);
- out.length && self.dispatch('outnodes', out);
-
- return self;
- };
-
- /**
- * Applies a function to a clone of each node (or indicated nodes), and then
- * tries to apply the modifications made on the clones to the original nodes.
- * @param {function(Object)} fun The function to execute.
- * @param {?Array.<string>} ids An Array of node IDs (optional).
- * @return {Graph} Returns itself.
- */
- function iterNodes(fun, ids) {
- var a = ids ? ids.map(function(id) {
- return self.nodesIndex[id];
- }) : self.nodes;
-
- var aCopies = a.map(cloneNode);
- aCopies.forEach(fun);
-
- a.forEach(function(n, i) {
- checkNode(n, aCopies[i]);
- });
-
- return self;
- };
-
- /**
- * Applies a function to a clone of each edge (or indicated edges), and then
- * tries to apply the modifications made on the clones to the original edges.
- * @param {function(Object)} fun The function to execute.
- * @param {?Array.<string>} ids An Array of edge IDs (optional).
- * @return {Graph} Returns itself.
- */
- function iterEdges(fun, ids) {
- var a = ids ? ids.map(function(id) {
- return self.edgesIndex[id];
- }) : self.edges;
-
- var aCopies = a.map(cloneEdge);
- aCopies.forEach(fun);
-
- a.forEach(function(e, i) {
- checkEdge(e, aCopies[i]);
- });
-
- return self;
- };
-
- /**
- * Returns a specific node clone or an array of specified node clones.
- * @param {(string|Array.<string>)} ids The ID or an array of node IDs.
- * @return {(Object|Array.<Object>)} The clone or the array of clones.
- */
- function getNodes(ids) {
- var a = ((ids instanceof Array ? ids : [ids]) || []).map(function(id) {
- return cloneNode(self.nodesIndex[id]);
- });
-
- return (ids instanceof Array ? a : a[0]);
- };
-
- /**
- * Returns a specific edge clone or an array of specified edge clones.
- * @param {(string|Array.<string>)} ids The ID or an array of edge IDs.
- * @return {(Object|Array.<Object>)} The clone or the array of clones.
- */
- function getEdges(ids) {
- var a = ((ids instanceof Array ? ids : [ids]) || []).map(function(id) {
- return cloneEdge(self.edgesIndex[id]);
- });
-
- return (ids instanceof Array ? a : a[0]);
- };
-
- empty();
-
- this.addNode = addNode;
- this.addEdge = addEdge;
- this.dropNode = dropNode;
- this.dropEdge = dropEdge;
-
- this.iterEdges = iterEdges;
- this.iterNodes = iterNodes;
-
- this.getEdges = getEdges;
- this.getNodes = getNodes;
-
- this.empty = empty;
- this.rescale = rescale;
- this.translate = translate;
- this.setBorders = setBorders;
- this.checkHover = checkHover;
-}
-
-sigma.easing = {
- linear: {},
- quadratic: {}
-};
-
-sigma.easing.linear.easenone = function(k) {
- return k;
-};
-
-sigma.easing.quadratic.easein = function(k) {
- return k * k;
-};
-
-sigma.easing.quadratic.easeout = function(k) {
- return - k * (k - 2);
-};
-
-sigma.easing.quadratic.easeinout = function(k) {
- if ((k *= 2) < 1) return 0.5 * k * k;
- return - 0.5 * (--k * (k - 2) - 1);
-};
-
-sigma.debugMode = 0;
-
-sigma.log = function() {
- if (sigma.debugMode == 1) {
- for (var k in arguments) {
- console.log(arguments[k]);
- }
- }else if (sigma.debugMode > 1) {
- for (var k in arguments) {
- throw new Error(arguments[k]);
- }
- }
-
- return sigma;
-};
-
-/**
- * Add a function to the prototype of SigmaPublic, but with access to the
- * Sigma class properties.
- * @param {string} pluginName [description].
- * @param {function} caller [description].
- * @param {function(Sigma)} launcher [description].
- */
-sigma.addPlugin = function(pluginName, caller, launcher) {
- SigmaPublic.prototype[pluginName] = caller;
- local.plugins.push(launcher);
-};
-sigma.tools.drawRoundRect = function(ctx, x, y, w, h, ellipse, corners) {
- var e = ellipse ? ellipse : 0;
- var c = corners ? corners : [];
- c = ((typeof c) == 'string') ? c.split(' ') : c;
-
- var tl = e && (c.indexOf('topleft') >= 0 ||
- c.indexOf('top') >= 0 ||
- c.indexOf('left') >= 0);
- var tr = e && (c.indexOf('topright') >= 0 ||
- c.indexOf('top') >= 0 ||
- c.indexOf('right') >= 0);
- var bl = e && (c.indexOf('bottomleft') >= 0 ||
- c.indexOf('bottom') >= 0 ||
- c.indexOf('left') >= 0);
- var br = e && (c.indexOf('bottomright') >= 0 ||
- c.indexOf('bottom') >= 0 ||
- c.indexOf('right') >= 0);
-
- ctx.moveTo(x, y + e);
-
- if (tl) {
- ctx.arcTo(x, y, x + e, y, e);
- }else {
- ctx.lineTo(x, y);
- }
-
- if (tr) {
- ctx.lineTo(x + w - e, y);
- ctx.arcTo(x + w, y, x + w, y + e, e);
- }else {
- ctx.lineTo(x + w, y);
- }
-
- if (br) {
- ctx.lineTo(x + w, y + h - e);
- ctx.arcTo(x + w, y + h, x + w - e, y + h, e);
- }else {
- ctx.lineTo(x + w, y + h);
- }
-
- if (bl) {
- ctx.lineTo(x + e, y + h);
- ctx.arcTo(x, y + h, x, y + h - e, e);
- }else {
- ctx.lineTo(x, y + h);
- }
-
- ctx.lineTo(x, y + e);
-};
-
-sigma.tools.getRGB = function(s, asArray) {
- s = s.toString();
- var res = {
- 'r': 0,
- 'g': 0,
- 'b': 0
- };
-
- if (s.length >= 3) {
- if (s.charAt(0) == '#') {
- var l = s.length - 1;
- if (l == 6) {
- res = {
- 'r': parseInt(s.charAt(1) + s.charAt(2), 16),
- 'g': parseInt(s.charAt(3) + s.charAt(4), 16),
- 'b': parseInt(s.charAt(5) + s.charAt(5), 16)
- };
- }else if (l == 3) {
- res = {
- 'r': parseInt(s.charAt(1) + s.charAt(1), 16),
- 'g': parseInt(s.charAt(2) + s.charAt(2), 16),
- 'b': parseInt(s.charAt(3) + s.charAt(3), 16)
- };
- }
- }
- }
-
- if (asArray) {
- res = [
- res['r'],
- res['g'],
- res['b']
- ];
- }
-
- return res;
-};
-
-sigma.tools.rgbToHex = function(R, G, B) {
- return sigma.tools.toHex(R) + sigma.tools.toHex(G) + sigma.tools.toHex(B);
-};
-
-sigma.tools.toHex = function(n) {
- n = parseInt(n, 10);
-
- if (isNaN(n)) {
- return '00';
- }
- n = Math.max(0, Math.min(n, 255));
- return '0123456789ABCDEF'.charAt((n - n % 16) / 16) +
- '0123456789ABCDEF'.charAt(n % 16);
-};
-
-/**
- * sigma.chronos manages frames insertion to simulate asynchronous computing.
- * It has been designed to make possible to execute heavy computing tasks
- * for the browser, without freezing it.
- * @constructor
- * @extends sigma.classes.Cascade
- * @extends sigma.classes.EventDispatcher
- * @this {sigma.chronos}
- */
-sigma.chronos = new (function() {
- sigma.classes.EventDispatcher.call(this);
-
- /**
- * Represents "this", without the well-known scope issue.
- * @private
- * @type {sigma.chronos}
- */
- var self = this;
-
- /**
- * Indicates whether any task is actively running or not.
- * @private
- * @type {boolean}
- */
- var isRunning = false;
-
- /**
- * Indicates the FPS "goal", that will define the theoretical
- * frame length.
- * @private
- * @type {number}
- */
- var fpsReq = 80;
-
- /**
- * Stores the last computed FPS value (FPS is computed only when any
- * task is running).
- * @private
- * @type {number}
- */
- var lastFPS = 0;
-
- /**
- * The number of frames inserted since the last start.
- * @private
- * @type {number}
- */
- var framesCount = 0;
-
- /**
- * The theoretical frame time.
- * @private
- * @type {number}
- */
- var frameTime = 1000 / fpsReq;
-
- /**
- * The theoretical frame length, minus the last measured delay.
- * @private
- * @type {number}
- */
- var correctedFrameTime = frameTime;
-
- /**
- * The measured length of the last frame.
- * @private
- * @type {number}
- */
- var effectiveTime = 0;
-
- /**
- * The time passed since the last runTasks action.
- * @private
- * @type {number}
- */
- var currentTime = 0;
-
- /**
- * The time when the last frame was inserted.
- * @private
- * @type {number}
- */
- var startTime = 0;
-
- /**
- * The difference between the theoretical frame length and the
- * last measured frame length.
- * @private
- * @type {number}
- */
- var delay = 0;
-
- /**
- * The container of all active generators.
- * @private
- * @type {Object.<string, Object>}
- */
- var generators = {};
-
- /**
- * The array of all the referenced and active tasks.
- * @private
- * @type {Array.<Object>}
- */
- var tasks = [];
-
- /**
- * The array of all the referenced and queued tasks.
- * @private
- * @type {Array.<Object>}
- */
- var queuedTasks = [];
-
- /**
- * The index of the next task to execute.
- * @private
- * @type {number}
- */
- var taskIndex = 0;
-
-
- /**
- * Inserts a frame before executing the callback.
- * @param {function()} callback The callback to execute after having
- * inserted the frame.
- * @return {sigma.chronos} Returns itself.
- */
- function insertFrame(callback) {
- window.setTimeout(callback, 0);
- return self;
- }
-
- /**
- * The local method that executes routine, and inserts frames when needed.
- * It dispatches a "frameinserted" event after having inserted any frame,
- * and an "insertframe" event before.
- * @private
- */
- function frameInserter() {
- self.dispatch('frameinserted');
- while (isRunning && tasks.length && routine()) {}
-
- if (!isRunning || !tasks.length) {
- stopTasks();
- } else {
- startTime = (new Date()).getTime();
- framesCount++;
- delay = effectiveTime - frameTime;
- correctedFrameTime = frameTime - delay;
-
- self.dispatch('insertframe');
- insertFrame(frameInserter);
- }
- };
-
- /**
- * The local method that executes the tasks, and compares the current frame
- * length to the ideal frame length.
- * @private
- * @return {boolean} Returns false if the current frame should be ended,
- * and true else.
- */
- function routine() {
- taskIndex = taskIndex % tasks.length;
-
- if (!tasks[taskIndex].task()) {
- var n = tasks[taskIndex].taskName;
-
- queuedTasks = queuedTasks.filter(function(e) {
- (e.taskParent == n) && tasks.push({
- taskName: e.taskName,
- task: e.task
- });
- return e.taskParent != n;
- });
-
- self.dispatch('killed', tasks.splice(taskIndex--, 1)[0]);
- }
-
- taskIndex++;
- effectiveTime = (new Date()).getTime() - startTime;
- return effectiveTime <= correctedFrameTime;
- };
-
- /**
- * Starts tasks execution.
- * @return {sigma.chronos} Returns itself.
- */
- function runTasks() {
- isRunning = true;
- taskIndex = 0;
- framesCount = 0;
-
- startTime = (new Date()).getTime();
- currentTime = startTime;
-
- self.dispatch('start');
- self.dispatch('insertframe');
- insertFrame(frameInserter);
- return self;
- };
-
- /**
- * Stops tasks execution, and dispatch a "stop" event.
- * @return {sigma.chronos} Returns itself.
- */
- function stopTasks() {
- self.dispatch('stop');
- isRunning = false;
- return self;
- };
-
- /**
- * A task is a function that will be executed continuously while it returns
- * true. As soon as it return false, the task will be removed.
- * If several tasks are present, they will be executed in parallele.
- * This method will add the task to this execution process.
- * @param {function(): boolean} task The task to add.
- * @param {string} name The name of the worker, used for
- * managing the different tasks.
- * @param {boolean} autostart If true, sigma.chronos will start
- * automatically if it is not working
- * yet.
- * @return {sigma.chronos} Returns itself.
- */
- function addTask(task, name, autostart) {
- if (typeof task != 'function') {
- throw new Error('Task "' + name + '" is not a function');
- }
-
- tasks.push({
- taskName: name,
- task: task
- });
-
- isRunning = !!(isRunning || (autostart && runTasks()) || true);
- return self;
- };
-
- /**
- * Will add a task that will be start to be executed as soon as a task
- * named as the parent will be removed.
- * @param {function(): boolean} task The task to add.
- * @param {string} name The name of the worker, used for
- * managing the different tasks.
- * @param {string} parent The name of the parent task.
- * @return {sigma.chronos} Returns itself.
- */
- function queueTask(task, name, parent) {
- if (typeof task != 'function') {
- throw new Error('Task "' + name + '" is not a function');
- }
-
- if (!tasks.concat(queuedTasks).some(function(e) {
- return e.taskName == parent;
- })) {
- throw new Error(
- 'Parent task "' + parent + '" of "' + name + '" is not attached.'
- );
- }
-
- queuedTasks.push({
- taskParent: parent,
- taskName: name,
- task: task
- });
-
- return self;
- };
-
- /**
- * Removes a task.
- * @param {string} v If v is undefined, then every tasks will
- * be removed. If not, each task named v will
- * be removed.
- * @param {number} queueStatus Determines the queued tasks behaviour. If 0,
- * then nothing will happen. If 1, the tasks
- * queued to any removed task will be triggered.
- * If 2, the tasks queued to any removed task
- * will be removed as well.
- * @return {sigma.chronos} Returns itself.
- */
- function removeTask(v, queueStatus) {
- if (v == undefined) {
- tasks = [];
- if (queueStatus == 1) {
- queuedTasks = [];
- }else if (queueStatus == 2) {
- tasks = queuedTasks;
- queuedTasks = [];
- }
- stopTasks();
- } else {
- var n = (typeof v == 'string') ? v : '';
- tasks = tasks.filter(function(e) {
- if ((typeof v == 'string') ? e.taskName == v : e.task == v) {
- n = e.taskName;
- return false;
- }
- return true;
- });
-
- if (queueStatus > 0) {
- queuedTasks = queuedTasks.filter(function(e) {
- if (queueStatus == 1 && e.taskParent == n) {
- tasks.push(e);
- }
- return e.taskParent != n;
- });
- }
- }
-
- isRunning = !!(!tasks.length || (stopTasks() && false));
- return self;
- };
-
- /**
- * A generator is a pair task/condition. The task will be executed
- * while it returns true.
- * When it returns false, the condition will be tested. If
- * the condition returns true, the task will be executed
- * again at the next process iteration. If not, the generator
- * is removed.
- * If several generators are present, they will be executed one
- * by one: When the first stops, the second will start, etc. When
- * they are all ended, then the conditions will be tested to know
- * which generators have to be started again.
- * @param {string} id The generators ID.
- * @param {function(): boolean} task The generator's task.
- * @param {function(): boolean} condition The generator's condition.
- * @return {sigma.chronos} Returns itself.
- */
- function addGenerator(id, task, condition) {
- if (generators[id] != undefined) {
- return self;
- }
-
- generators[id] = {
- task: task,
- condition: condition
- };
-
- getGeneratorsCount(true) == 0 && startGenerators();
- return self;
- };
-
- /**
- * Removes a generator. It means that the task will continue being eecuted
- * until it returns false, but then the
- * condition will not be tested.
- * @param {string} id The generator's ID.
- * @return {sigma.chronos} Returns itself.
- */
- function removeGenerator(id) {
- if (generators[id]) {
- generators[id].on = false;
- generators[id].del = true;
- }
- return self;
- };
-
- /**
- * Returns the number of generators.
- * @private
- * @param {boolean} running If true, returns the number of active
- * generators instead.
- * @return {sigma.chronos} Returns itself.
- */
- function getGeneratorsCount(running) {
- return running ?
- Object.keys(generators).filter(function(id) {
- return !!generators[id].on;
- }).length :
- Object.keys(generators).length;
- };
-
- /**
- * Returns the array of the generators IDs.
- * @return {array.<string>} The array of IDs.
- */
- function getGeneratorsIDs() {
- return Object.keys(generators);
- }
-
- /**
- * startGenerators is the method that manages which generator
- * is the next to start when another one stops. It will dispatch
- * a "stopgenerators" event if there is no more generator to start,
- * and a "startgenerators" event else.
- * @return {sigma.chronos} Returns itself.
- */
- function startGenerators() {
- if (!Object.keys(generators).length) {
- self.dispatch('stopgenerators');
- }else {
- self.dispatch('startgenerators');
-
- self.unbind('killed', onTaskEnded);
- insertFrame(function() {
- for (var k in generators) {
- generators[k].on = true;
- addTask(
- generators[k].task,
- k,
- false
- );
- }
- });
-
- self.bind('killed', onTaskEnded).runTasks();
- }
-
- return self;
- };
-
- /**
- * A callback triggered everytime the task of a generator stops, that will
- * test the related generator's condition, and see if there is still any
- * generator to start.
- * @private
- * @param {Object} e The sigma.chronos "killed" event.
- */
- function onTaskEnded(e) {
- if (generators[e['content'].taskName] != undefined) {
- if (generators[e['content'].taskName].del ||
- !generators[e['content'].taskName].condition()) {
- delete generators[e['content'].taskName];
- }else {
- generators[e['content'].taskName].on = false;
- }
-
- if (getGeneratorsCount(true) == 0) {
- startGenerators();
- }
- }
- };
-
- /**
- * Either set or returns the fpsReq property. This property determines
- * the number of frames that should be inserted per second.
- * @param {?number} v The frequency asked.
- * @return {(Chronos|number)} Returns the frequency if v is undefined, and
- * itself else.
- */
- function frequency(v) {
- if (v != undefined) {
- fpsReq = Math.abs(1 * v);
- frameTime = 1000 / fpsReq;
- framesCount = 0;
- return self;
- } else {
- return fpsReq;
- }
- };
-
- /**
- * Returns the actual average number of frames that are inserted per
- * second.
- * @return {number} The actual average FPS.
- */
- function getFPS() {
- if (isRunning) {
- lastFPS =
- Math.round(
- framesCount /
- ((new Date()).getTime() - currentTime) *
- 10000
- ) / 10;
- }
-
- return lastFPS;
- };
-
- /**
- * Returns the number of tasks.
- * @return {number} The number of tasks.
- */
- function getTasksCount() {
- return tasks.length;
- }
-
- /**
- * Returns the number of queued tasks.
- * @return {number} The number of queued tasks.
- */
- function getQueuedTasksCount() {
- return queuedTasks.length;
- }
-
- /**
- * Returns how long sigma.chronos has active tasks running
- * without interuption for, in ms.
- * @return {number} The time chronos is running without interuption for.
- */
- function getExecutionTime() {
- return startTime - currentTime;
- }
-
- this.frequency = frequency;
-
- this.runTasks = runTasks;
- this.stopTasks = stopTasks;
- this.insertFrame = insertFrame;
-
- this.addTask = addTask;
- this.queueTask = queueTask;
- this.removeTask = removeTask;
-
- this.addGenerator = addGenerator;
- this.removeGenerator = removeGenerator;
- this.startGenerators = startGenerators;
- this.getGeneratorsIDs = getGeneratorsIDs;
-
- this.getFPS = getFPS;
- this.getTasksCount = getTasksCount;
- this.getQueuedTasksCount = getQueuedTasksCount;
- this.getExecutionTime = getExecutionTime;
-
- return this;
-})();
-
-sigma.publicPrototype = SigmaPublic.prototype;
-})();
-
-
--- /dev/null
+++ b/js/app.js
@@ -1,1 +1,95 @@
+/* Foundation v2.1.4 http://foundation.zurb.com */
+$(document).ready(function () {
+ /* Use this js doc for all application specific JS */
+
+ /* TABS --------------------------------- */
+ /* Remove if you don't need :) */
+
+ function activateTab($tab) {
+ var $activeTab = $tab.closest('dl').find('a.active'),
+ contentLocation = $tab.attr("href") + 'Tab';
+
+ //Make Tab Active
+ $activeTab.removeClass('active');
+ $tab.addClass('active');
+
+ //Show Tab Content
+ $(contentLocation).closest('.tabs-content').children('li').hide();
+ $(contentLocation).show();
+ }
+
+ $('dl.tabs').each(function () {
+ //Get all tabs
+ var tabs = $(this).children('dd').children('a');
+ tabs.click(function (e) {
+ activateTab($(this));
+ });
+ });
+
+ if (window.location.hash) {
+ activateTab($('a[href="' + window.location.hash + '"]'));
+ }
+
+ /* ALERT BOXES ------------ */
+ $(".alert-box").delegate("a.close", "click", function(event) {
+ event.preventDefault();
+ $(this).closest(".alert-box").fadeOut(function(event){
+ $(this).remove();
+ });
+ });
+
+
+ /* PLACEHOLDER FOR FORMS ------------- */
+ /* Remove this and jquery.placeholder.min.js if you don't need :) */
+
+ //$('input, textarea').placeholder();
+
+
+
+ /* UNCOMMENT THE LINE YOU WANT BELOW IF YOU WANT IE6/7/8 SUPPORT AND ARE USING .block-grids */
+// $('.block-grid.two-up>li:nth-child(2n+1)').css({clear: 'left'});
+// $('.block-grid.three-up>li:nth-child(3n+1)').css({clear: 'left'});
+// $('.block-grid.four-up>li:nth-child(4n+1)').css({clear: 'left'});
+// $('.block-grid.five-up>li:nth-child(5n+1)').css({clear: 'left'});
+
+
+
+ /* DROPDOWN NAV ------------- */
+
+ var currentFoundationDropdown = null;
+ $('.nav-bar li a, .nav-bar li a:after').each(function() {
+ $(this).data('clicks', 0);
+ });
+ $('.nav-bar li a, .nav-bar li a:after').live('click', function(e) {
+ e.preventDefault();
+ if (currentFoundationDropdown !== $(this).index() || currentFoundationDropdown === null) {
+ $(this).data('clicks', 0);
+ currentFoundationDropdown = $(this).index();
+ }
+ $(this).data('clicks', ($(this).data('clicks') + 1));
+ var f = $(this).siblings('.flyout');
+ if (!f.is(':visible') && $(this).parent('.has-flyout').length > 1) {
+ $('.nav-bar li .flyout').hide();
+ f.show();
+ } else if (($(this).data('clicks') > 1) || ($(this).parent('.has-flyout').length < 1)) {
+ window.location = $(this).attr('href');
+ }
+ });
+ $('.nav-bar').live('click', function(e) {
+ e.stopPropagation();
+ if ($(e.target).parents().is('.flyout') || $(e.target).is('.flyout')) {
+ e.preventDefault();
+ }
+ });
+ // $('body').bind('touchend', function(e) {
+ // if (!$(e.target).parents().is('.nav-bar') || !$(e.target).is('.nav-bar')) {
+ // $('.nav-bar li .flyout').is(':visible').hide();
+ // }
+ // });
+
+ /* DISABLED BUTTONS ------------- */
+ /* Gives elements with a class of 'disabled' a return: false; */
+
+});
+
--- /dev/null
+++ b/js/d3.layout.min.js
@@ -1,1 +1,1 @@
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+/*!
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+ * http://www.zurb.com/playground/
+ *
+ * Copyright 2011, ZURB
+ * Released under the MIT License
+ */
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+++ b/js/jquery-1.6.2.min.js
@@ -1,1 +1,18 @@
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+/*!
+ * jQuery JavaScript Library v1.6.2
+ * http://jquery.com/
+ *
+ * Copyright 2011, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2011, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Thu Jun 30 14:16:56 2011 -0400
+ */
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a=f.timers,c=a.length;b||f._unmark(!0,this);while(c--)a[c].elem===this&&(b&&a[c](!0),a.splice(c,1))}),b||this.dequeue();return this}}),f.each({slideDown:cr("show",1),slideUp:cr("hide",1),slideToggle:cr("toggle",1),fadeIn:{opacity:"show"},fadeOut:{opacity:"hide"},fadeToggle:{opacity:"toggle"}},function(a,b){f.fn[a]=function(a,c,d){return this.animate(b,a,c,d)}}),f.extend({speed:function(a,b,c){var d=a&&typeof a=="object"?f.extend({},a):{complete:c||!c&&b||f.isFunction(a)&&a,duration:a,easing:c&&b||b&&!f.isFunction(b)&&b};d.duration=f.fx.off?0:typeof d.duration=="number"?d.duration:d.duration in f.fx.speeds?f.fx.speeds[d.duration]:f.fx.speeds._default,d.old=d.complete,d.complete=function(a){f.isFunction(d.old)&&d.old.call(this),d.queue!==!1?f.dequeue(this):a!==!1&&f._unmark(this)};return d},easing:{linear:function(a,b,c,d){return c+d*a},swing:function(a,b,c,d){return(-Math.cos(a*Math.PI)/2+.5)*d+c}},timers:[],fx:function(a,b,c){this.options=b,this.elem=a,this.prop=c,b.orig=b.orig||{}}}),f.fx.prototype={update:function(){this.options.step&&this.options.step.call(this.elem,this.now,this),(f.fx.step[this.prop]||f.fx.step._default)(this)},cur:function(){if(this.elem[this.prop]!=null&&(!this.elem.style||this.elem.style[this.prop]==null))return this.elem[this.prop];var a,b=f.css(this.elem,this.prop);return isNaN(a=parseFloat(b))?!b||b==="auto"?0:b:a},custom:function(a,b,c){function h(a){return d.step(a)}var d=this,e=f.fx,g;this.startTime=cn||cp(),this.start=a,this.end=b,this.unit=c||this.unit||(f.cssNumber[this.prop]?"":"px"),this.now=this.start,this.pos=this.state=0,h.elem=this.elem,h()&&f.timers.push(h)&&!cl&&(co?(cl=!0,g=function(){cl&&(co(g),e.tick())},co(g)):cl=setInterval(e.tick,e.interval))},show:function(){this.options.orig[this.prop]=f.style(this.elem,this.prop),this.options.show=!0,this.custom(this.prop==="width"||this.prop==="height"?1:0,this.cur()),f(this.elem).show()},hide:function(){this.options.orig[this.prop]=f.style(this.elem,this.prop),this.options.hide=!0,this.custom(this.cur(),0)},step:function(a){var b=cn||cp(),c=!0,d=this.elem,e=this.options,g,h;if(a||b>=e.duration+this.startTime){this.now=this.end,this.pos=this.state=1,this.update(),e.animatedProperties[this.prop]=!0;for(g in e.animatedProperties)e.animatedProperties[g]!==!0&&(c=!1);if(c){e.overflow!=null&&!f.support.shrinkWrapBlocks&&f.each(["","X","Y"],function(a,b){d.style["overflow"+b]=e.overflow[a]}),e.hide&&f(d).hide();if(e.hide||e.show)for(var i in e.animatedProperties)f.style(d,i,e.orig[i]);e.complete.call(d)}return!1}e.duration==Infinity?this.now=b:(h=b-this.startTime,this.state=h/e.duration,this.pos=f.easing[e.animatedProperties[this.prop]](this.state,h,0,1,e.duration),this.now=this.start+(this.end-this.start)*this.pos),this.update();return!0}},f.extend(f.fx,{tick:function(){for(var a=f.timers,b=0;b<a.length;++b)a[b]()||a.splice(b--,1);a.length||f.fx.stop()},interval:13,stop:function(){clearInterval(cl),cl=null},speeds:{slow:600,fast:200,_default:400},step:{opacity:function(a){f.style(a.elem,"opacity",a.now)},_default:function(a){a.elem.style&&a.elem.style[a.prop]!=null?a.elem.style[a.prop]=(a.prop==="width"||a.prop==="height"?Math.max(0,a.now):a.now)+a.unit:a.elem[a.prop]=a.now}}}),f.expr&&f.expr.filters&&(f.expr.filters.animated=function(a){return f.grep(f.timers,function(b){return a===b.elem}).length});var ct=/^t(?:able|d|h)$/i,cu=/^(?:body|html)$/i;"getBoundingClientRect"in c.documentElement?f.fn.offset=function(a){var b=this[0],c;if(a)return this.each(function(b){f.offset.setOffset(this,a,b)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return f.offset.bodyOffset(b);try{c=b.getBoundingClientRect()}catch(d){}var e=b.ownerDocument,g=e.documentElement;if(!c||!f.contains(g,b))return c?{top:c.top,left:c.left}:{top:0,left:0};var h=e.body,i=cv(e),j=g.clientTop||h.clientTop||0,k=g.clientLeft||h.clientLeft||0,l=i.pageYOffset||f.support.boxModel&&g.scrollTop||h.scrollTop,m=i.pageXOffset||f.support.boxModel&&g.scrollLeft||h.scrollLeft,n=c.top+l-j,o=c.left+m-k;return{top:n,left:o}}:f.fn.offset=function(a){var b=this[0];if(a)return this.each(function(b){f.offset.setOffset(this,a,b)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return f.offset.bodyOffset(b);f.offset.initialize();var c,d=b.offsetParent,e=b,g=b.ownerDocument,h=g.documentElement,i=g.body,j=g.defaultView,k=j?j.getComputedStyle(b,null):b.currentStyle,l=b.offsetTop,m=b.offsetLeft;while((b=b.parentNode)&&b!==i&&b!==h){if(f.offset.supportsFixedPosition&&k.position==="fixed")break;c=j?j.getComputedStyle(b,null):b.currentStyle,l-=b.scrollTop,m-=b.scrollLeft,b===d&&(l+=b.offsetTop,m+=b.offsetLeft,f.offset.doesNotAddBorder&&(!f.offset.doesAddBorderForTableAndCells||!ct.test(b.nodeName))&&(l+=parseFloat(c.borderTopWidth)||0,m+=parseFloat(c.borderLeftWidth)||0),e=d,d=b.offsetParent),f.offset.subtractsBorderForOverflowNotVisible&&c.overflow!=="visible"&&(l+=parseFloat(c.borderTopWidth)||0,m+=parseFloat(c.borderLeftWidth)||0),k=c}if(k.position==="relative"||k.position==="static")l+=i.offsetTop,m+=i.offsetLeft;f.offset.supportsFixedPosition&&k.position==="fixed"&&(l+=Math.max(h.scrollTop,i.scrollTop),m+=Math.max(h.scrollLeft,i.scrollLeft));return{top:l,left:m}},f.offset={initialize:function(){var a=c.body,b=c.createElement("div"),d,e,g,h,i=parseFloat(f.css(a,"marginTop"))||0,j="<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";f.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"}),b.innerHTML=j,a.insertBefore(b,a.firstChild),d=b.firstChild,e=d.firstChild,h=d.nextSibling.firstChild.firstChild,this.doesNotAddBorder=e.offsetTop!==5,this.doesAddBorderForTableAndCells=h.offsetTop===5,e.style.position="fixed",e.style.top="20px",this.supportsFixedPosition=e.offsetTop===20||e.offsetTop===15,e.style.position=e.style.top="",d.style.overflow="hidden",d.style.position="relative",this.subtractsBorderForOverflowNotVisible=e.offsetTop===-5,this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==i,a.removeChild(b),f.offset.initialize=f.noop},bodyOffset:function(a){var b=a.offsetTop,c=a.offsetLeft;f.offset.initialize(),f.offset.doesNotIncludeMarginInBodyOffset&&(b+=parseFloat(f.css(a,"marginTop"))||0,c+=parseFloat(f.css(a,"marginLeft"))||0);return{top:b,left:c}},setOffset:function(a,b,c){var d=f.css(a,"position");d==="static"&&(a.style.position="relative");var e=f(a),g=e.offset(),h=f.css(a,"top"),i=f.css(a,"left"),j=(d==="absolute"||d==="fixed")&&f.inArray("auto",[h,i])>-1,k={},l={},m,n;j?(l=e.position(),m=l.top,n=l.left):(m=parseFloat(h)||0,n=parseFloat(i)||0),f.isFunction(b)&&(b=b.call(a,c,g)),b.top!=null&&(k.top=b.top-g.top+m),b.left!=null&&(k.left=b.left-g.left+n),"using"in b?b.using.call(a,k):e.css(k)}},f.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),d=cu.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(f.css(a,"marginTop"))||0,c.left-=parseFloat(f.css(a,"marginLeft"))||0,d.top+=parseFloat(f.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(f.css(b[0],"borderLeftWidth"))||0;return{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||c.body;while(a&&!cu.test(a.nodeName)&&f.css(a,"position")==="static")a=a.offsetParent;return a})}}),f.each(["Left","Top"],function(a,c){var d="scroll"+c;f.fn[d]=function(c){var e,g;if(c===b){e=this[0];if(!e)return null;g=cv(e);return g?"pageXOffset"in g?g[a?"pageYOffset":"pageXOffset"]:f.support.boxModel&&g.document.documentElement[d]||g.document.body[d]:e[d]}return this.each(function(){g=cv(this),g?g.scrollTo(a?f(g).scrollLeft():c,a?c:f(g).scrollTop()):this[d]=c})}}),f.each(["Height","Width"],function(a,c){var d=c.toLowerCase();f.fn["inner"+c]=function(){var a=this[0];return a&&a.style?parseFloat(f.css(a,d,"padding")):null},f.fn["outer"+c]=function(a){var b=this[0];return b&&b.style?parseFloat(f.css(b,d,a?"margin":"border")):null},f.fn[d]=function(a){var e=this[0];if(!e)return a==null?null:this;if(f.isFunction(a))return this.each(function(b){var c=f(this);c[d](a.call(this,b,c[d]()))});if(f.isWindow(e)){var g=e.document.documentElement["client"+c];return e.document.compatMode==="CSS1Compat"&&g||e.document.body["client"+c]||g}if(e.nodeType===9)return Math.max(e.documentElement["client"+c],e.body["scroll"+c],e.documentElement["scroll"+c],e.body["offset"+c],e.documentElement["offset"+c]);if(a===b){var h=f.css(e,d),i=parseFloat(h);return f.isNaN(i)?h:i}return this.css(d,typeof a=="string"?a:a+"px")}}),a.jQuery=a.$=f})(window);
--- /dev/null
+++ b/js/sigma.min.js
@@ -1,1 +1,3552 @@
-
+// Define packages:
+var sigma = {};
+sigma.tools = {};
+sigma.classes = {};
+sigma.instances = {};
+
+// Adding Array helpers, if not present yet:
+(function() {
+ if (!Array.prototype.some) {
+ Array.prototype.some = function(fun /*, thisp*/) {
+ var len = this.length;
+ if (typeof fun != 'function') {
+ throw new TypeError();
+ }
+
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++) {
+ if (i in this &&
+ fun.call(thisp, this[i], i, this)) {
+ return true;
+ }
+ }
+
+ return false;
+ };
+ }
+
+ if (!Array.prototype.forEach) {
+ Array.prototype.forEach = function(fun /*, thisp*/) {
+ var len = this.length;
+ if (typeof fun != 'function') {
+ throw new TypeError();
+ }
+
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++) {
+ if (i in this) {
+ fun.call(thisp, this[i], i, this);
+ }
+ }
+ };
+ }
+
+ if (!Array.prototype.map) {
+ Array.prototype.map = function(fun /*, thisp*/) {
+ var len = this.length;
+ if (typeof fun != 'function') {
+ throw new TypeError();
+ }
+
+ var res = new Array(len);
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++) {
+ if (i in this) {
+ res[i] = fun.call(thisp, this[i], i, this);
+ }
+ }
+
+ return res;
+ };
+ }
+
+ if (!Array.prototype.filter) {
+ Array.prototype.filter = function(fun /*, thisp*/) {
+ var len = this.length;
+ if (typeof fun != 'function')
+ throw new TypeError();
+
+ var res = new Array();
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++) {
+ if (i in this) {
+ var val = this[i]; // in case fun mutates this
+ if (fun.call(thisp, val, i, this)) {
+ res.push(val);
+ }
+ }
+ }
+
+ return res;
+ };
+ }
+
+ if (!Object.keys) {
+ Object.keys = (function() {
+ var hasOwnProperty = Object.prototype.hasOwnProperty,
+ hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'),
+ dontEnums = [
+ 'toString',
+ 'toLocaleString',
+ 'valueOf',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'constructor'
+ ],
+ dontEnumsLength = dontEnums.length;
+
+ return function(obj) {
+ if (typeof obj !== 'object' &&
+ typeof obj !== 'function' ||
+ obj === null
+ ) {
+ throw new TypeError('Object.keys called on non-object');
+ }
+
+ var result = [];
+
+ for (var prop in obj) {
+ if (hasOwnProperty.call(obj, prop)) result.push(prop);
+ }
+
+ if (hasDontEnumBug) {
+ for (var i = 0; i < dontEnumsLength; i++) {
+ if (hasOwnProperty.call(obj, dontEnums[i])) {
+ result.push(dontEnums[i]);
+ }
+ }
+ }
+ return result;
+ }
+ })();
+ }
+})();
+
+/**
+ * A jQuery like properties management class. It works like jQuery .css()
+ * method: You can call it with juste one string to get the corresponding
+ * property, with a string and anything else to set the corresponding property,
+ * or directly with an object, and then each pair string / object (or any type)
+ * will be set in the properties.
+ * @constructor
+ * @this {sigma.classes.Cascade}
+ */
+sigma.classes.Cascade = function() {
+ /**
+ * This instance properties.
+ * @protected
+ * @type {Object}
+ */
+ this.p = {};
+
+ /**
+ * The method to use to set/get any property of this instance.
+ * @param {(string|Object)} a1 If it is a string and if a2 is undefined,
+ * then it will return the corresponding
+ * property.
+ * If it is a string and if a2 is set, then it
+ * will set a2 as the property corresponding to
+ * a1, and return this.
+ * If it is an object, then each pair string /
+ * object (or any other type) will be set as a
+ * property.
+ * @param {*?} a2 The new property corresponding to a1 if a1 is
+ * a string.
+ * @return {(*|sigma.classes.Cascade)} Returns itself or the corresponding
+ * property.
+ */
+ this.config = function(a1, a2) {
+ if (typeof a1 == 'string' && a2 == undefined) {
+ return this.p[a1];
+ } else {
+ var o = (typeof a1 == 'object' && a2 == undefined) ? a1 : {};
+ if (typeof a1 == 'string') {
+ o[a1] = a2;
+ }
+
+ for (var k in o) {
+ if (this.p[k] != undefined) {
+ this.p[k] = o[k];
+ }
+ }
+ return this;
+ }
+ };
+};
+
+/**
+ * sigma.js custom event dispatcher class.
+ * @constructor
+ * @this {sigma.classes.EventDispatcher}
+ */
+sigma.classes.EventDispatcher = function() {
+ /**
+ * An object containing all the different handlers bound to one or many
+ * events, indexed by these events.
+ * @private
+ * @type {Object.<string,Object>}
+ */
+ var _h = {};
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {sigma.classes.EventDispatcher}
+ */
+ var _self = this;
+
+ /**
+ * Will execute the handler the next (and only the next) time that the
+ * indicated event (or the indicated events) will be triggered.
+ * @param {string} events The name of the event (or the events
+ * separated by spaces).
+ * @param {function(Object)} handler The handler to bind.
+ * @return {sigma.classes.EventDispatcher} Returns itself.
+ */
+ function one(events, handler) {
+ if (!handler || !events) {
+ return _self;
+ }
+
+ var eArray = ((typeof events) == 'string') ? events.split(' ') : events;
+
+ eArray.forEach(function(event) {
+ if (!_h[event]) {
+ _h[event] = [];
+ }
+
+ _h[event].push({
+ 'h': handler,
+ 'one': true
+ });
+ });
+
+ return _self;
+ }
+
+ /**
+ * Will execute the handler everytime that the indicated event (or the
+ * indicated events) will be triggered.
+ * @param {string} events The name of the event (or the events
+ * separated by spaces).
+ * @param {function(Object)} handler The handler to bind.
+ * @return {sigma.classes.EventDispatcher} Returns itself.
+ */
+ function bind(events, handler) {
+ if (!handler || !events) {
+ return _self;
+ }
+
+ var eArray = ((typeof events) == 'string') ? events.split(' ') : events;
+
+ eArray.forEach(function(event) {
+ if (!_h[event]) {
+ _h[event] = [];
+ }
+
+ _h[event].push({
+ 'h': handler,
+ 'one': false
+ });
+ });
+
+ return _self;
+ }
+
+ /**
+ * Unbinds the handler from a specified event (or specified events).
+ * @param {?string} events The name of the event (or the events
+ * separated by spaces). If undefined,
+ * then all handlers are unbound.
+ * @param {?function(Object)} handler The handler to unbind. If undefined,
+ * each handler bound to the event or the
+ * events will be unbound.
+ * @return {sigma.classes.EventDispatcher} Returns itself.
+ */
+ function unbind(events, handler) {
+ if (!events) {
+ _h = {};
+ }
+
+ var eArray = typeof events == 'string' ? events.split(' ') : events;
+
+ if (handler) {
+ eArray.forEach(function(event) {
+ if (_h[event]) {
+ _h[event] = _h[event].filter(function(e) {
+ return e['h'] != handler;
+ });
+ }
+
+ if (_h[event] && _h[event].length == 0) {
+ delete _h[event];
+ }
+ });
+ }else {
+ eArray.forEach(function(event) {
+ delete _h[event];
+ });
+ }
+
+ return _self;
+ }
+
+ /**
+ * Executes each handler bound to the event
+ * @param {string} type The type of the event.
+ * @param {?Object} content The content of the event (optional).
+ * @return {sigma.classes.EventDispatcher} Returns itself.
+ */
+ function dispatch(type, content) {
+ if (_h[type]) {
+ _h[type].forEach(function(e) {
+ e['h']({
+ 'type': type,
+ 'content': content,
+ 'target': _self
+ });
+ });
+
+ _h[type] = _h[type].filter(function(e) {
+ return !e['one'];
+ });
+ }
+
+ return _self;
+ }
+
+ /* PUBLIC INTERFACE: */
+ this.one = one;
+ this.bind = bind;
+ this.unbind = unbind;
+ this.dispatch = dispatch;
+};
+
+(function() {
+// Define local shortcut:
+var id = 0;
+
+// Define local package:
+var local = {};
+local.plugins = [];
+
+sigma.init = function(dom) {
+ var inst = new Sigma(dom, (++id).toString());
+ sigma.instances[id] = new SigmaPublic(inst);
+ return sigma.instances[id];
+};
+
+/**
+ * This class listen to all the different mouse events, to normalize them and
+ * dispatch action events instead (from "startinterpolate" to "isdragging",
+ * etc).
+ * @constructor
+ * @extends sigma.classes.Cascade
+ * @extends sigma.classes.EventDispatcher
+ * @param {element} dom The DOM element to bind the handlers on.
+ * @this {MouseCaptor}
+ */
+function MouseCaptor(dom) {
+ sigma.classes.Cascade.call(this);
+ sigma.classes.EventDispatcher.call(this);
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {MouseCaptor}
+ */
+ var self = this;
+
+ /**
+ * The DOM element to bind the handlers on.
+ * @type {element}
+ */
+ var dom = dom;
+
+ /**
+ * The different parameters that define how this instance should work.
+ * @see sigma.classes.Cascade
+ * @type {Object}
+ */
+ this.p = {
+ minRatio: 1,
+ maxRatio: 32,
+ marginRatio: 1,
+ zoomDelta: 0.1,
+ dragDelta: 0.3,
+ zoomMultiply: 2,
+ directZooming: false,
+ blockScroll: true,
+ inertia: 1.1,
+ mouseEnabled: true
+ };
+
+ var oldMouseX = 0;
+ var oldMouseY = 0;
+ var startX = 0;
+ var startY = 0;
+
+ var oldStageX = 0;
+ var oldStageY = 0;
+ var oldRatio = 1;
+
+ var targetRatio = 1;
+ var targetStageX = 0;
+ var targetStageY = 0;
+
+ var lastStageX = 0;
+ var lastStageX2 = 0;
+ var lastStageY = 0;
+ var lastStageY2 = 0;
+
+ var progress = 0;
+ var isZooming = false;
+
+ this.stageX = 0;
+ this.stageY = 0;
+ this.ratio = 1;
+
+ this.mouseX = 0;
+ this.mouseY = 0;
+
+ this.isMouseDown = false;
+
+ /**
+ * Extract the local X position from a mouse event.
+ * @private
+ * @param {event} e A mouse event.
+ * @return {number} The local X value of the mouse.
+ */
+ function getX(e) {
+ return e.offsetX != undefined && e.offsetX ||
+ e.layerX != undefined && e.layerX ||
+ e.clientX != undefined && e.clientX;
+ };
+
+ /**
+ * Extract the local Y position from a mouse event.
+ * @private
+ * @param {event} e A mouse event.
+ * @return {number} The local Y value of the mouse.
+ */
+ function getY(e) {
+ return e.offsetY != undefined && e.offsetY ||
+ e.layerY != undefined && e.layerY ||
+ e.clientY != undefined && e.clientY;
+ };
+
+ /**
+ * Extract the wheel delta from a mouse event.
+ * @private
+ * @param {event} e A mouse event.
+ * @return {number} The wheel delta of the mouse.
+ */
+ function getDelta(e) {
+ return e.wheelDelta != undefined && e.wheelDelta ||
+ e.detail != undefined && -e.detail;
+ };
+
+ /**
+ * The handler listening to the 'move' mouse event. It will set the mouseX
+ * and mouseY values as the mouse position values, prevent the default event,
+ * and dispatch a 'move' event.
+ * @private
+ * @param {event} event A 'move' mouse event.
+ */
+ function moveHandler(event) {
+ oldMouseX = self.mouseX;
+ oldMouseY = self.mouseY;
+
+ self.mouseX = getX(event);
+ self.mouseY = getY(event);
+
+ self.isMouseDown && drag(event);
+ self.dispatch('move');
+
+ if (event.preventDefault) {
+ event.preventDefault();
+ } else {
+ event.returnValue = false;
+ }
+ };
+
+ /**
+ * The handler listening to the 'up' mouse event. It will set the isMouseDown
+ * value as false, dispatch a 'mouseup' event, and trigger stopDrag().
+ * @private
+ * @param {event} event A 'up' mouse event.
+ */
+ function upHandler(event) {
+ if (self.p.mouseEnabled && self.isMouseDown) {
+ self.isMouseDown = false;
+ self.dispatch('mouseup');
+ stopDrag();
+
+ if (event.preventDefault) {
+ event.preventDefault();
+ } else {
+ event.returnValue = false;
+ }
+ }
+ };
+
+ /**
+ * The handler listening to the 'down' mouse event. It will set the
+ * isMouseDown value as true, dispatch a 'mousedown' event, and trigger
+ * startDrag().
+ * @private
+ * @param {event} event A 'down' mouse event.
+ */
+ function downHandler(event) {
+ if (self.p.mouseEnabled) {
+ self.isMouseDown = true;
+ oldMouseX = self.mouseX;
+ oldMouseY = self.mouseY;
+
+ self.dispatch('mousedown');
+
+ startDrag();
+
+ if (event.preventDefault) {
+ event.preventDefault();
+ } else {
+ event.returnValue = false;
+ }
+ }
+ };
+
+ /**
+ * The handler listening to the 'wheel' mouse event. It will trigger
+ * {@link startInterpolate} with the event delta as parameter.
+ * @private
+ * @param {event} event A 'wheel' mouse event.
+ */
+ function wheelHandler(event) {
+ if (self.p.mouseEnabled) {
+ startInterpolate(
+ self.mouseX,
+ self.mouseY,
+ self.ratio * (getDelta(event) > 0 ?
+ self.p.zoomMultiply :
+ 1 / self.p.zoomMultiply)
+ );
+
+ if (self.p['blockScroll']) {
+ if (event.preventDefault) {
+ event.preventDefault();
+ } else {
+ event.returnValue = false;
+ }
+ }
+ }
+ };
+
+ /**
+ * Will start computing the scene X and Y, until {@link stopDrag} is
+ * triggered.
+ */
+ function startDrag() {
+ oldStageX = self.stageX;
+ oldStageY = self.stageY;
+ startX = self.mouseX;
+ startY = self.mouseY;
+
+ lastStageX = self.stageX;
+ lastStageX2 = self.stageX;
+ lastStageY = self.stageY;
+ lastStageY2 = self.stageY;
+
+ self.dispatch('startdrag');
+ };
+
+ /**
+ * Stops computing the scene position.
+ */
+ function stopDrag() {
+ if (oldStageX != self.stageX || oldStageY != self.stageY) {
+ startInterpolate(
+ self.stageX + self.p.inertia * (self.stageX - lastStageX2),
+ self.stageY + self.p.inertia * (self.stageY - lastStageY2)
+ );
+ }
+ };
+
+ /**
+ * Computes the position of the scene, relatively to the mouse position, and
+ * dispatches a "drag" event.
+ */
+ function drag() {
+ var newStageX = self.mouseX - startX + oldStageX;
+ var newStageY = self.mouseY - startY + oldStageY;
+
+ if (newStageX != self.stageX || newStageY != self.stageY) {
+ lastStageX2 = lastStageX;
+ lastStageY2 = lastStageY;
+
+ lastStageX = newStageX;
+ lastStageY = newStageY;
+
+ self.stageX = newStageX;
+ self.stageY = newStageY;
+ self.dispatch('drag');
+ }
+ };
+
+ /**
+ * Will start computing the scene zoom ratio, until {@link stopInterpolate} is
+ * triggered.
+ * @param {number} x The new stage X.
+ * @param {number} y The new stage Y.
+ * @param {number} ratio The new zoom ratio.
+ */
+ function startInterpolate(x, y, ratio) {
+ if (self.isMouseDown) {
+ return;
+ }
+
+ window.clearInterval(self.interpolationID);
+ isZooming = ratio != undefined;
+
+ oldStageX = self.stageX;
+ targetStageX = x;
+
+ oldStageY = self.stageY;
+ targetStageY = y;
+
+ oldRatio = self.ratio;
+ targetRatio = ratio || self.ratio;
+ targetRatio = Math.min(
+ Math.max(targetRatio, self.p.minRatio),
+ self.p.maxRatio
+ );
+
+ progress =
+ self.p.directZooming ?
+ 1 - (isZooming ? self.p.zoomDelta : self.p.dragDelta) :
+ 0;
+
+ if (
+ self.ratio != targetRatio ||
+ self.stageX != targetStageX ||
+ self.stageY != targetStageY
+ ) {
+ interpolate();
+ self.interpolationID = window.setInterval(interpolate, 50);
+ self.dispatch('startinterpolate');
+ }
+ };
+
+ /**
+ * Stops the move interpolation.
+ */
+ function stopInterpolate() {
+ var oldRatio = self.ratio;
+
+ if (isZooming) {
+ self.ratio = targetRatio;
+ self.stageX = targetStageX +
+ (self.stageX - targetStageX) *
+ self.ratio /
+ oldRatio;
+ self.stageY = targetStageY +
+ (self.stageY - targetStageY) *
+ self.ratio /
+ oldRatio;
+ }else {
+ self.stageX = targetStageX;
+ self.stageY = targetStageY;
+ }
+
+ self.dispatch('stopinterpolate');
+ };
+
+ /**
+ * Computes the interpolate ratio and the position of the scene, relatively
+ * to the last mouse event delta received, and dispatches a "interpolate"
+ * event.
+ */
+ function interpolate() {
+ progress += (isZooming ? self.p.zoomDelta : self.p.dragDelta);
+ progress = Math.min(progress, 1);
+
+ var k = sigma.easing.quadratic.easeout(progress);
+ var oldRatio = self.ratio;
+
+ self.ratio = oldRatio * (1 - k) + targetRatio * k;
+
+ if (isZooming) {
+ self.stageX = targetStageX +
+ (self.stageX - targetStageX) *
+ self.ratio /
+ oldRatio;
+
+ self.stageY = targetStageY +
+ (self.stageY - targetStageY) *
+ self.ratio /
+ oldRatio;
+ } else {
+ self.stageX = oldStageX * (1 - k) + targetStageX * k;
+ self.stageY = oldStageY * (1 - k) + targetStageY * k;
+ }
+
+ self.dispatch('interpolate');
+ if (progress >= 1) {
+ window.clearInterval(self.interpolationID);
+ stopInterpolate();
+ }
+ };
+
+ /**
+ * Checks that there is always a part of the graph that is displayed, to
+ * avoid the user to drag the graph out of the stage.
+ * @param {Object} b An object containing the borders of the graph.
+ * @param {number} width The width of the stage.
+ * @param {number} height The height of the stage.
+ * @return {MouseCaptor} Returns itself.
+ */
+ function checkBorders(b, width, height) {
+ // TODO : Find the good formula
+ /*if (!isNaN(b.minX) && !isNaN(b.maxX)) {
+ self.stageX = Math.min(
+ self.stageX = Math.max(
+ self.stageX,
+ (b.minX - width) * self.ratio +
+ self.p.marginRatio*(b.maxX - b.minX)
+ ),
+ (b.maxX - width) * self.ratio +
+ width -
+ self.p.marginRatio*(b.maxX - b.minX)
+ );
+ }
+
+ if (!isNaN(b.minY) && !isNaN(b.maxY)) {
+ self.stageY = Math.min(
+ self.stageY = Math.max(
+ self.stageY,
+ (b.minY - height) * self.ratio +
+ self.p.marginRatio*(b.maxY - b.minY)
+ ),
+ (b.maxY - height) * self.ratio +
+ height -
+ self.p.marginRatio*(b.maxY - b.minY)
+ );
+ }*/
+
+ return self;
+ };
+
+ // ADD CALLBACKS
+ dom.addEventListener('DOMMouseScroll', wheelHandler, true);
+ dom.addEventListener('mousewheel', wheelHandler, true);
+ dom.addEventListener('mousemove', moveHandler, true);
+ dom.addEventListener('mousedown', downHandler, true);
+ document.addEventListener('mouseup', upHandler, true);
+
+ this.checkBorders = checkBorders;
+ this.interpolate = startInterpolate;
+}
+
+/**
+ * A class to monitor some local / global probes directly on an instance,
+ * inside a div DOM element.
+ * It executes different methods (called "probes") regularly, and displays
+ * the results on the element.
+ * @constructor
+ * @extends sigma.classes.Cascade
+ * @param {Sigma} instance The instance to monitor.
+ * @param {element} dom The div DOM element to draw write on.
+ * @this {Monitor}
+ */
+function Monitor(instance, dom) {
+ sigma.classes.Cascade.call(this);
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {Monitor}
+ */
+ var self = this;
+
+ /**
+ * {@link Sigma} instance owning this Monitor instance.
+ * @type {Sigma}
+ */
+ this.instance = instance;
+
+ /**
+ * Determines if the monitoring is activated or not.
+ * @type {Boolean}
+ */
+ this.monitoring = false;
+
+ /**
+ * The different parameters that define how this instance should work. It
+ * also contains the different probes.
+ * @see sigma.classes.Cascade
+ * @type {Object}
+ */
+ this.p = {
+ fps: 40,
+ dom: dom,
+ globalProbes: {
+ 'Time (ms)': sigma.chronos.getExecutionTime,
+ 'Queue': sigma.chronos.getQueuedTasksCount,
+ 'Tasks': sigma.chronos.getTasksCount,
+ 'FPS': sigma.chronos.getFPS
+ },
+ localProbes: {
+ 'Nodes count': function() { return self.instance.graph.nodes.length; },
+ 'Edges count': function() { return self.instance.graph.edges.length; }
+ }
+ };
+
+ /**
+ * Activates the monitoring: Some texts describing some values about sigma.js
+ * or the owning {@link Sigma} instance will appear over the graph, but
+ * beneath the mouse sensible DOM element.
+ * @return {Monitor} Returns itself.
+ */
+ function activate() {
+ if (!self.monitoring) {
+ self.monitoring = window.setInterval(routine, 1000 / self.p.fps);
+ }
+
+ return self;
+ }
+
+ /**
+ * Desactivates the monitoring: Will disappear, and stop computing the
+ * different probes.
+ * @return {Monitor} Returns itself.
+ */
+ function desactivate() {
+ if (self.monitoring) {
+ window.clearInterval(self.monitoring);
+ self.monitoring = null;
+
+ self.p.dom.innerHTML = '';
+ }
+
+ return self;
+ }
+
+ /**
+ * The private method dedicated to compute the different values to observe.
+ * @private
+ * @return {Monitor} Returns itself.
+ */
+ function routine() {
+ var s = '';
+
+ s += '<p>GLOBAL :</p>';
+ for (var k in self.p.globalProbes) {
+ s += '<p>' + k + ' : ' + self.p.globalProbes[k]() + '</p>';
+ }
+
+ s += '<br><p>LOCAL :</p>';
+ for (var k in self.p.localProbes) {
+ s += '<p>' + k + ' : ' + self.p.localProbes[k]() + '</p>';
+ }
+
+ self.p.dom.innerHTML = s;
+
+ return self;
+ }
+
+ this.activate = activate;
+ this.desactivate = desactivate;
+}
+
+/**
+ * Sigma is the main class. It represents the core of any instance id sigma.js.
+ * It is private and can be initialized only from inside sigma.js. To see its
+ * public interface, see {@link SigmaPublic}.
+ * It owns its own {@link Graph}, {@link MouseCaptor}, {@link Plotter}
+ * and {@link Monitor}.
+ * @constructor
+ * @extends sigma.classes.Cascade
+ * @extends sigma.classes.EventDispatcher
+ * @param {element} root The DOM root of this instance (a div, for example).
+ * @param {string} id The ID of this instance.
+ * @this {Sigma}
+ */
+function Sigma(root, id) {
+ sigma.classes.Cascade.call(this);
+ sigma.classes.EventDispatcher.call(this);
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {Sigma}
+ */
+ var self = this;
+
+ /**
+ * The ID of the instance.
+ * @type {string}
+ */
+ this.id = id.toString();
+
+ /**
+ * The different parameters that define how this instance should work.
+ * @see sigma.classes.Cascade
+ * @type {Object}
+ */
+ this.p = {
+ auto: true,
+ drawNodes: 2,
+ drawEdges: 1,
+ drawLabels: 2,
+ lastNodes: 2,
+ lastEdges: 0,
+ lastLabels: 2,
+ drawHoverNodes: true,
+ drawActiveNodes: true
+ };
+
+ /**
+ * The root DOM element of this instance, containing every other elements.
+ * @type {element}
+ */
+ this.domRoot = root;
+
+ /**
+ * The width of this instance - initially, the root's width.
+ * @type {number}
+ */
+ this.width = this.domRoot.offsetWidth;
+
+ /**
+ * The height of this instance - initially, the root's height.
+ * @type {number}
+ */
+ this.height = this.domRoot.offsetHeight;
+
+ /**
+ * The graph of this instance - initiallyempty.
+ * @type {Graph}
+ */
+ this.graph = new Graph();
+
+ /**
+ * An object referencing every DOM elements used by this instance.
+ * @type {Object}
+ */
+ this.domElements = {};
+
+ initDOM('edges', 'canvas');
+ initDOM('nodes', 'canvas');
+ initDOM('labels', 'canvas');
+ initDOM('hover', 'canvas');
+ initDOM('monitor', 'div');
+ initDOM('mouse', 'canvas');
+
+ /**
+ * The class dedicated to manage the drawing process of the graph of the
+ * different canvas.
+ * @type {Plotter}
+ */
+ this.plotter = new Plotter(
+ this.domElements.nodes.getContext('2d'),
+ this.domElements.edges.getContext('2d'),
+ this.domElements.labels.getContext('2d'),
+ this.domElements.hover.getContext('2d'),
+ this.graph,
+ this.width,
+ this.height
+ );
+
+ /**
+ * The class dedicated to monitor different probes about the running
+ * processes or the data, such as the number of nodes or edges, or how
+ * many times the graph is drawn per second.
+ * @type {Monitor}
+ */
+ this.monitor = new Monitor(
+ this,
+ this.domElements.monitor
+ );
+
+ /**
+ * The class dedicated to manage the different mouse events.
+ * @type {MouseCaptor}
+ */
+ this.mousecaptor = new MouseCaptor(
+ this.domElements.mouse,
+ this.id
+ );
+
+ // Interaction listeners:
+ this.mousecaptor.bind('drag interpolate', function(e) {
+ self.draw(
+ self.p.auto ? 2 : self.p.drawNodes,
+ self.p.auto ? 0 : self.p.drawEdges,
+ self.p.auto ? 2 : self.p.drawLabels,
+ true
+ );
+ }).bind('stopdrag stopinterpolate', function(e) {
+ self.draw(
+ self.p.auto ? 2 : self.p.drawNodes,
+ self.p.auto ? 1 : self.p.drawEdges,
+ self.p.auto ? 2 : self.p.drawLabels,
+ true
+ );
+ }).bind('mousedown mouseup', function(e) {
+ var targeted = self.graph.nodes.filter(function(n) {
+ return !!n['hover'];
+ }).map(function(n) {
+ return n.id;
+ });
+
+ self.dispatch(
+ e['type'] == 'mousedown' ?
+ 'downgraph' :
+ 'upgraph'
+ );
+
+ if (targeted.length) {
+ self.dispatch(
+ e['type'] == 'mousedown' ?
+ 'downnodes' :
+ 'upnodes',
+ targeted
+ );
+ }
+ }).bind('move', function() {
+ self.domElements.hover.getContext('2d').clearRect(
+ 0,
+ 0,
+ self.domElements.hover.width,
+ self.domElements.hover.height
+ );
+
+ drawHover();
+ drawActive();
+ });
+
+ sigma.chronos.bind('startgenerators', function() {
+ if (sigma.chronos.getGeneratorsIDs().some(function(id) {
+ return !!id.match(new RegExp('_ext_' + self.id + '$', ''));
+ })) {
+ self.draw(
+ self.p.auto ? 2 : self.p.drawNodes,
+ self.p.auto ? 0 : self.p.drawEdges,
+ self.p.auto ? 2 : self.p.drawLabels
+ );
+ }
+ }).bind('stopgenerators', function() {
+ self.draw();
+ });
+
+ /**
+ * Resizes the element, and redraws the graph with the last settings.
+ * @param {?number} w The new width (if undefined, it will use the root
+ * width).
+ * @param {?number} h The new height (if undefined, it will use the root
+ * height).
+ * @return {Sigma} Returns itself.
+ */
+ function resize(w, h) {
+ var oldW = self.width, oldH = self.height;
+
+ if (w != undefined && h != undefined) {
+ self.width = w;
+ self.height = h;
+ }else {
+ self.width = self.domRoot.offsetWidth;
+ self.height = self.domRoot.offsetHeight;
+ }
+
+ if (oldW != self.width || oldH != self.height) {
+ for (var k in self.domElements) {
+ self.domElements[k].setAttribute('width', self.width + 'px');
+ self.domElements[k].setAttribute('height', self.height + 'px');
+ }
+
+ self.plotter.resize(self.width, self.height);
+
+ self.draw(
+ self.p.lastNodes,
+ self.p.lastEdges,
+ self.p.lastLabels,
+ true
+ );
+ }
+ return self;
+ };
+
+ /**
+ * Kills every drawing task currently running. Basically, it stops this
+ * instance's drawing process.
+ * @return {Sigma} Returns itself.
+ */
+ function clearSchedule() {
+ sigma.chronos.removeTask(
+ 'node_' + self.id, 2
+ ).removeTask(
+ 'edge_' + self.id, 2
+ ).removeTask(
+ 'label_' + self.id, 2
+ ).stopTasks();
+ return self;
+ };
+
+ /**
+ * Initialize a DOM element, that will be stores by this instance, to make
+ * automatic these elements resizing.
+ * @private
+ * @param {string} id The element's ID.
+ * @param {string} type The element's nodeName (Example : canvas, div, ...).
+ * @return {Sigma} Returns itself.
+ */
+ function initDOM(id, type) {
+ self.domElements[id] = document.createElement(type);
+ self.domElements[id].style.position = 'absolute';
+ self.domElements[id].setAttribute('id', 'sigma_' + id + '_' + self.id);
+ self.domElements[id].setAttribute('class', 'sigma_' + id + '_' + type);
+ self.domElements[id].setAttribute('width', self.width + 'px');
+ self.domElements[id].setAttribute('height', self.height + 'px');
+
+ self.domRoot.appendChild(self.domElements[id]);
+ return self;
+ };
+
+ /**
+ * Starts the graph drawing process. The three first parameters indicate
+ * how the different layers have to be drawn:
+ * . -1: The layer is not drawn, but it is not erased.
+ * . 0: The layer is not drawn.
+ * . 1: The layer is drawn progressively.
+ * . 2: The layer is drawn directly.
+ * @param {?number} nodes Determines if and how the nodes must be drawn.
+ * @param {?number} edges Determines if and how the edges must be drawn.
+ * @param {?number} labels Determines if and how the labels must be drawn.
+ * @param {?boolean} safe If true, nothing will happen if any generator
+ * affiliated to this instance is currently running
+ * (an iterative layout, for example).
+ * @return {Sigma} Returns itself.
+ */
+ function draw(nodes, edges, labels, safe) {
+ if (safe && sigma.chronos.getGeneratorsIDs().some(function(id) {
+ return !!id.match(new RegExp('_ext_' + self.id + '$', ''));
+ })) {
+ return self;
+ }
+
+ var n = (nodes == undefined) ? self.p.drawNodes : nodes;
+ var e = (edges == undefined) ? self.p.drawEdges : edges;
+ var l = (labels == undefined) ? self.p.drawLabels : labels;
+
+ var params = {
+ nodes: n,
+ edges: e,
+ labels: l
+ };
+
+ self.p.lastNodes = n;
+ self.p.lastEdges = e;
+ self.p.lastLabels = l;
+
+ // Remove tasks:
+ clearSchedule();
+
+ // Rescale graph:
+ self.graph.rescale(
+ self.width,
+ self.height,
+ n > 0,
+ e > 0
+ ).setBorders();
+
+ self.mousecaptor.checkBorders(
+ self.graph.borders,
+ self.width,
+ self.height
+ );
+
+ self.graph.translate(
+ self.mousecaptor.stageX,
+ self.mousecaptor.stageY,
+ self.mousecaptor.ratio,
+ n > 0,
+ e > 0
+ );
+
+ self.dispatch(
+ 'graphscaled'
+ );
+
+ // Clear scene:
+ for (var k in self.domElements) {
+ if (
+ self.domElements[k].nodeName.toLowerCase() == 'canvas' &&
+ (params[k] == undefined || params[k] >= 0)
+ ) {
+ self.domElements[k].getContext('2d').clearRect(
+ 0,
+ 0,
+ self.domElements[k].width,
+ self.domElements[k].height
+ );
+ }
+ }
+
+ self.plotter.currentEdgeIndex = 0;
+ self.plotter.currentNodeIndex = 0;
+ self.plotter.currentLabelIndex = 0;
+
+ var previous = null;
+ var start = false;
+
+ if (n) {
+ if (n > 1) {
+ while (self.plotter.task_drawNode()) {}
+ }else {
+ sigma.chronos.addTask(
+ self.plotter.task_drawNode,
+ 'node_' + self.id,
+ false
+ );
+
+ start = true;
+ previous = 'node_' + self.id;
+ }
+ }
+
+ if (l) {
+ if (l > 1) {
+ while (self.plotter.task_drawLabel()) {}
+ } else {
+ if (previous) {
+ sigma.chronos.queueTask(
+ self.plotter.task_drawLabel,
+ 'label_' + self.id,
+ previous
+ );
+ } else {
+ sigma.chronos.addTask(
+ self.plotter.task_drawLabel,
+ 'label_' + self.id,
+ false
+ );
+ }
+
+ start = true;
+ previous = 'label_' + self.id;
+ }
+ }
+
+ if (e) {
+ if (e > 1) {
+ while (self.plotter.task_drawEdge()) {}
+ }else {
+ if (previous) {
+ sigma.chronos.queueTask(
+ self.plotter.task_drawEdge,
+ 'edge_' + self.id,
+ previous
+ );
+ }else {
+ sigma.chronos.addTask(
+ self.plotter.task_drawEdge,
+ 'edge_' + self.id,
+ false
+ );
+ }
+
+ start = true;
+ previous = 'edge_' + self.id;
+ }
+ }
+
+ self.dispatch(
+ 'draw'
+ );
+
+ self.refresh();
+
+ start && sigma.chronos.runTasks();
+ return self;
+ };
+
+ /**
+ * Draws the hover and active nodes labels.
+ * @return {Sigma} Returns itself.
+ */
+ function refresh() {
+ self.domElements.hover.getContext('2d').clearRect(
+ 0,
+ 0,
+ self.domElements.hover.width,
+ self.domElements.hover.height
+ );
+
+ drawHover();
+ drawActive();
+
+ return self;
+ }
+
+ /**
+ * Draws the hover nodes labels. This method is applied directly, and does
+ * not use the pseudo-asynchronous tasks process.
+ * @return {Sigma} Returns itself.
+ */
+ function drawHover() {
+ if (self.p.drawHoverNodes) {
+ self.graph.checkHover(
+ self.mousecaptor.mouseX,
+ self.mousecaptor.mouseY
+ );
+
+ self.graph.nodes.forEach(function(node) {
+ if (node.hover && !node.active) {
+ self.plotter.drawHoverNode(node);
+ }
+ });
+ }
+
+ return self;
+ }
+
+ /**
+ * Draws the active nodes labels. This method is applied directly, and does
+ * not use the pseudo-asynchronous tasks process.
+ * @return {Sigma} Returns itself.
+ */
+ function drawActive() {
+ if (self.p.drawActiveNodes) {
+ self.graph.nodes.forEach(function(node) {
+ if (node.active) {
+ self.plotter.drawActiveNode(node);
+ }
+ });
+ }
+
+ return self;
+ }
+
+ // Apply plugins:
+ for (var i = 0; i < local.plugins.length; i++) {
+ local.plugins[i](this);
+ }
+
+ this.draw = draw;
+ this.resize = resize;
+ this.refresh = refresh;
+ this.drawHover = drawHover;
+ this.drawActive = drawActive;
+ this.clearSchedule = clearSchedule;
+
+ window.addEventListener('resize', function() {
+ self.resize();
+ });
+}
+
+/**
+ * This class draws the graph on the different canvas DOM elements. It just
+ * contains all the different methods to draw the graph, synchronously or
+ * pseudo-asynchronously.
+ * @constructor
+ * @param {CanvasRenderingContext2D} nodesCtx Context dedicated to draw nodes.
+ * @param {CanvasRenderingContext2D} edgesCtx Context dedicated to draw edges.
+ * @param {CanvasRenderingContext2D} labelsCtx Context dedicated to draw
+ * labels.
+ * @param {CanvasRenderingContext2D} hoverCtx Context dedicated to draw hover
+ * nodes labels.
+ * @param {Graph} graph A reference to the graph to
+ * draw.
+ * @param {number} w The width of the DOM root
+ * element.
+ * @param {number} h The width of the DOM root
+ * element.
+ * @extends sigma.classes.Cascade
+ * @this {Plotter}
+ */
+function Plotter(nodesCtx, edgesCtx, labelsCtx, hoverCtx, graph, w, h) {
+ sigma.classes.Cascade.call(this);
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {Plotter}
+ */
+ var self = this;
+
+ /**
+ * The different parameters that define how this instance should work.
+ * @see sigma.classes.Cascade
+ * @type {Object}
+ */
+ this.p = {
+ // -------
+ // LABELS:
+ // -------
+ // Label color:
+ // - 'node'
+ // - default (then defaultLabelColor
+ // will be used instead)
+ labelColor: 'default',
+ defaultLabelColor: '#000',
+ // Label hover background color:
+ // - 'node'
+ // - default (then defaultHoverLabelBGColor
+ // will be used instead)
+ labelHoverBGColor: 'default',
+ defaultHoverLabelBGColor: '#fff',
+ // Label hover shadow:
+ labelHoverShadow: true,
+ labelHoverShadowColor: '#000',
+ // Label hover color:
+ // - 'node'
+ // - default (then defaultLabelHoverColor
+ // will be used instead)
+ labelHoverColor: 'default',
+ defaultLabelHoverColor: '#000',
+ // Label active background color:
+ // - 'node'
+ // - default (then defaultActiveLabelBGColor
+ // will be used instead)
+ labelActiveBGColor: 'default',
+ defaultActiveLabelBGColor: '#fff',
+ // Label active shadow:
+ labelActiveShadow: true,
+ labelActiveShadowColor: '#000',
+ // Label active color:
+ // - 'node'
+ // - default (then defaultLabelActiveColor
+ // will be used instead)
+ labelActiveColor: 'default',
+ defaultLabelActiveColor: '#000',
+ // Label size:
+ // - 'fixed'
+ // - 'proportional'
+ // Label size:
+ // - 'fixed'
+ // - 'proportional'
+ labelSize: 'fixed',
+ defaultLabelSize: 12, // for fixed display only
+ labelSizeRatio: 2, // for proportional display only
+ labelThreshold: 6,
+ font: 'Arial',
+ hoverFont: '',
+ activeFont: '',
+ fontStyle: '',
+ hoverFontStyle: '',
+ activeFontStyle: '',
+ // ------
+ // EDGES:
+ // ------
+ // Edge color:
+ // - 'source'
+ // - 'target'
+ // - default (then defaultEdgeColor or edge['color']
+ // will be used instead)
+ edgeColor: 'source',
+ defaultEdgeColor: '#aaa',
+ defaultEdgeType: 'line',
+ // ------
+ // NODES:
+ // ------
+ defaultNodeColor: '#aaa',
+ // HOVER:
+ // Node hover color:
+ // - 'node'
+ // - default (then defaultNodeHoverColor
+ // will be used instead)
+ nodeHoverColor: 'node',
+ defaultNodeHoverColor: '#fff',
+ // ACTIVE:
+ // Node active color:
+ // - 'node'
+ // - default (then defaultNodeActiveColor
+ // will be used instead)
+ nodeActiveColor: 'node',
+ defaultNodeActiveColor: '#fff',
+ // Node border color:
+ // - 'node'
+ // - default (then defaultNodeBorderColor
+ // will be used instead)
+ borderSize: 0,
+ nodeBorderColor: 'node',
+ defaultNodeBorderColor: '#fff',
+ // --------
+ // PROCESS:
+ // --------
+ edgesSpeed: 200,
+ nodesSpeed: 200,
+ labelsSpeed: 200
+ };
+
+ /**
+ * The canvas context dedicated to draw the nodes.
+ * @type {CanvasRenderingContext2D}
+ */
+ var nodesCtx = nodesCtx;
+
+ /**
+ * The canvas context dedicated to draw the edges.
+ * @type {CanvasRenderingContext2D}
+ */
+ var edgesCtx = edgesCtx;
+
+ /**
+ * The canvas context dedicated to draw the labels.
+ * @type {CanvasRenderingContext2D}
+ */
+ var labelsCtx = labelsCtx;
+
+ /**
+ * The canvas context dedicated to draw the hover nodes.
+ * @type {CanvasRenderingContext2D}
+ */
+ var hoverCtx = hoverCtx;
+
+ /**
+ * A reference to the graph to draw.
+ * @type {Graph}
+ */
+ var graph = graph;
+
+ /**
+ * The width of the stage to draw on.
+ * @type {number}
+ */
+ var width = w;
+
+ /**
+ * The height of the stage to draw on.
+ * @type {number}
+ */
+ var height = h;
+
+ /**
+ * The index of the next edge to draw.
+ * @type {number}
+ */
+ this.currentEdgeIndex = 0;
+
+ /**
+ * The index of the next node to draw.
+ * @type {number}
+ */
+ this.currentNodeIndex = 0;
+
+ /**
+ * The index of the next label to draw.
+ * @type {number}
+ */
+ this.currentLabelIndex = 0;
+
+ /**
+ * An atomic function to drawn the N next edges, with N as edgesSpeed.
+ * The counter is {@link this.currentEdgeIndex}.
+ * This function has been designed to work with {@link sigma.chronos}, that
+ * will insert frames at the middle of the calls, to make the edges drawing
+ * process fluid for the user.
+ * @see sigma.chronos
+ * @return {boolean} Returns true if all the edges are drawn and false else.
+ */
+ function task_drawEdge() {
+ var c = graph.edges.length;
+ var s, t, i = 0;
+
+ while (i++< self.p.edgesSpeed && self.currentEdgeIndex < c) {
+ e = graph.edges[self.currentEdgeIndex];
+ s = e['source'];
+ t = e['target'];
+ if (e['hidden'] ||
+ s['hidden'] ||
+ t['hidden'] ||
+ (!self.isOnScreen(s) && !self.isOnScreen(t))) {
+ self.currentEdgeIndex++;
+ }else {
+ drawEdge(graph.edges[self.currentEdgeIndex++]);
+ }
+ }
+
+ return self.currentEdgeIndex < c;
+ };
+
+ /**
+ * An atomic function to drawn the N next nodes, with N as nodesSpeed.
+ * The counter is {@link this.currentEdgeIndex}.
+ * This function has been designed to work with {@link sigma.chronos}, that
+ * will insert frames at the middle of the calls, to make the nodes drawing
+ * process fluid for the user.
+ * @see sigma.chronos
+ * @return {boolean} Returns true if all the nodes are drawn and false else.
+ */
+ function task_drawNode() {
+ var c = graph.nodes.length;
+ var i = 0;
+
+ while (i++< self.p.nodesSpeed && self.currentNodeIndex < c) {
+ if (!self.isOnScreen(graph.nodes[self.currentNodeIndex])) {
+ self.currentNodeIndex++;
+ }else {
+ drawNode(graph.nodes[self.currentNodeIndex++]);
+ }
+ }
+
+ return self.currentNodeIndex < c;
+ };
+
+ /**
+ * An atomic function to drawn the N next labels, with N as labelsSpeed.
+ * The counter is {@link this.currentEdgeIndex}.
+ * This function has been designed to work with {@link sigma.chronos}, that
+ * will insert frames at the middle of the calls, to make the labels drawing
+ * process fluid for the user.
+ * @see sigma.chronos
+ * @return {boolean} Returns true if all the labels are drawn and false else.
+ */
+ function task_drawLabel() {
+ var c = graph.nodes.length;
+ var i = 0;
+
+ while (i++< self.p.labelsSpeed && self.currentLabelIndex < c) {
+ if (!self.isOnScreen(graph.nodes[self.currentLabelIndex])) {
+ self.currentLabelIndex++;
+ }else {
+ drawLabel(graph.nodes[self.currentLabelIndex++]);
+ }
+ }
+
+ return self.currentLabelIndex < c;
+ };
+
+ /**
+ * Draws one node to the corresponding canvas.
+ * @param {Object} node The node to draw.
+ * @return {Plotter} Returns itself.
+ */
+ function drawNode(node) {
+ var size = Math.round(node['displaySize'] * 10) / 10;
+ var ctx = nodesCtx;
+
+ ctx.fillStyle = node['color'];
+ ctx.beginPath();
+ ctx.arc(node['displayX'],
+ node['displayY'],
+ size,
+ 0,
+ Math.PI * 2,
+ true);
+
+ ctx.closePath();
+ ctx.fill();
+
+ node['hover'] && drawHoverNode(node);
+ return self;
+ };
+
+ /**
+ * Draws one edge to the corresponding canvas.
+ * @param {Object} edge The edge to draw.
+ * @return {Plotter} Returns itself.
+ */
+ function drawEdge(edge) {
+ var x1 = edge['source']['displayX'];
+ var y1 = edge['source']['displayY'];
+ var x2 = edge['target']['displayX'];
+ var y2 = edge['target']['displayY'];
+ var color = edge['color'];
+
+ if (!color) {
+ switch (self.p.edgeColor) {
+ case 'source':
+ color = edge['source']['color'] ||
+ self.p.defaultNodeColor;
+ break;
+ case 'target':
+ color = edge['target']['color'] ||
+ self.p.defaultNodeColor;
+ break;
+ default:
+ color = self.p.defaultEdgeColor;
+ break;
+ }
+ }
+
+ var ctx = edgesCtx;
+
+ switch (edge['type'] || self.p.defaultEdgeType) {
+ case 'curve':
+ ctx.strokeStyle = color;
+ ctx.lineWidth = edge['displaySize'] / 3;
+ ctx.beginPath();
+ ctx.moveTo(x1, y1);
+ ctx.quadraticCurveTo((x1 + x2) / 2 + (y2 - y1) / 4,
+ (y1 + y2) / 2 + (x1 - x2) / 4,
+ x2,
+ y2);
+ ctx.stroke();
+ break;
+ case 'line':
+ default:
+ ctx.strokeStyle = color;
+ ctx.lineWidth = edge['displaySize'] / 3;
+ ctx.beginPath();
+ ctx.moveTo(x1, y1);
+ ctx.lineTo(x2, y2);
+
+ ctx.stroke();
+ break;
+ }
+
+ return self;
+ };
+
+ /**
+ * Draws one label to the corresponding canvas.
+ * @param {Object} node The label to draw.
+ * @return {Plotter} Returns itself.
+ */
+ function drawLabel(node) {
+ var ctx = labelsCtx;
+
+ if (node['displaySize'] >= self.p.labelThreshold || node['forceLabel']) {
+ var fontSize = self.p.labelSize == 'fixed' ?
+ self.p.defaultLabelSize :
+ self.p.labelSizeRatio * node['displaySize'];
+
+ ctx.font = self.p.fontStyle + fontSize + 'px ' + self.p.font;
+
+ ctx.fillStyle = self.p.labelColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultLabelColor;
+ ctx.fillText(
+ node['label'],
+ Math.round(node['displayX'] + node['displaySize'] * 1.5),
+ Math.round(node['displayY'] + fontSize / 2 - 3)
+ );
+ }
+
+ return self;
+ };
+
+ /**
+ * Draws one hover node to the corresponding canvas.
+ * @param {Object} node The hover node to draw.
+ * @return {Plotter} Returns itself.
+ */
+ function drawHoverNode(node) {
+ var ctx = hoverCtx;
+
+ var fontSize = self.p.labelSize == 'fixed' ?
+ self.p.defaultLabelSize :
+ self.p.labelSizeRatio * node['displaySize'];
+
+ ctx.font = (self.p.hoverFontStyle || self.p.fontStyle || '') + ' ' +
+ fontSize + 'px ' +
+ (self.p.hoverFont || self.p.font || '');
+
+ ctx.fillStyle = self.p.labelHoverBGColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultHoverLabelBGColor;
+
+ // Label background:
+ ctx.beginPath();
+
+ if (self.p.labelHoverShadow) {
+ ctx.shadowOffsetX = 0;
+ ctx.shadowOffsetY = 0;
+ ctx.shadowBlur = 4;
+ ctx.shadowColor = self.p.labelHoverShadowColor;
+ }
+
+ sigma.tools.drawRoundRect(
+ ctx,
+ Math.round(node['displayX'] - fontSize / 2 - 2),
+ Math.round(node['displayY'] - fontSize / 2 - 2),
+ Math.round(ctx.measureText(node['label']).width +
+ node['displaySize'] * 1.5 +
+ fontSize / 2 + 4),
+ Math.round(fontSize + 4),
+ Math.round(fontSize / 2 + 2),
+ 'left'
+ );
+ ctx.closePath();
+ ctx.fill();
+
+ ctx.shadowOffsetX = 0;
+ ctx.shadowOffsetY = 0;
+ ctx.shadowBlur = 0;
+
+ // Node border:
+ ctx.beginPath();
+ ctx.fillStyle = self.p.nodeBorderColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultNodeBorderColor;
+ ctx.arc(Math.round(node['displayX']),
+ Math.round(node['displayY']),
+ node['displaySize'] + self.p.borderSize,
+ 0,
+ Math.PI * 2,
+ true);
+ ctx.closePath();
+ ctx.fill();
+
+ // Node:
+ ctx.beginPath();
+ ctx.fillStyle = self.p.nodeHoverColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultNodeHoverColor;
+ ctx.arc(Math.round(node['displayX']),
+ Math.round(node['displayY']),
+ node['displaySize'],
+ 0,
+ Math.PI * 2,
+ true);
+
+ ctx.closePath();
+ ctx.fill();
+
+ // Label:
+ ctx.fillStyle = self.p.labelHoverColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultLabelHoverColor;
+ ctx.fillText(
+ node['label'],
+ Math.round(node['displayX'] + node['displaySize'] * 1.5),
+ Math.round(node['displayY'] + fontSize / 2 - 3)
+ );
+
+ return self;
+ };
+
+ /**
+ * Draws one active node to the corresponding canvas.
+ * @param {Object} node The active node to draw.
+ * @return {Plotter} Returns itself.
+ */
+ function drawActiveNode(node) {
+ var ctx = hoverCtx;
+
+ if (!isOnScreen(node)) {
+ return self;
+ }
+
+ var fontSize = self.p.labelSize == 'fixed' ?
+ self.p.defaultLabelSize :
+ self.p.labelSizeRatio * node['displaySize'];
+
+ ctx.font = (self.p.activeFontStyle || self.p.fontStyle || '') + ' ' +
+ fontSize + 'px ' +
+ (self.p.activeFont || self.p.font || '');
+
+ ctx.fillStyle = self.p.labelHoverBGColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultActiveLabelBGColor;
+
+ // Label background:
+ ctx.beginPath();
+
+ if (self.p.labelActiveShadow) {
+ ctx.shadowOffsetX = 0;
+ ctx.shadowOffsetY = 0;
+ ctx.shadowBlur = 4;
+ ctx.shadowColor = self.p.labelActiveShadowColor;
+ }
+
+ sigma.tools.drawRoundRect(
+ ctx,
+ Math.round(node['displayX'] - fontSize / 2 - 2),
+ Math.round(node['displayY'] - fontSize / 2 - 2),
+ Math.round(ctx.measureText(node['label']).width +
+ node['displaySize'] * 1.5 +
+ fontSize / 2 + 4),
+ Math.round(fontSize + 4),
+ Math.round(fontSize / 2 + 2),
+ 'left'
+ );
+ ctx.closePath();
+ ctx.fill();
+
+ ctx.shadowOffsetX = 0;
+ ctx.shadowOffsetY = 0;
+ ctx.shadowBlur = 0;
+
+ // Node border:
+ ctx.beginPath();
+ ctx.fillStyle = self.p.nodeBorderColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultNodeBorderColor;
+ ctx.arc(Math.round(node['displayX']),
+ Math.round(node['displayY']),
+ node['displaySize'] + self.p.borderSize,
+ 0,
+ Math.PI * 2,
+ true);
+ ctx.closePath();
+ ctx.fill();
+
+ // Node:
+ ctx.beginPath();
+ ctx.fillStyle = self.p.nodeActiveColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultNodeActiveColor;
+ ctx.arc(Math.round(node['displayX']),
+ Math.round(node['displayY']),
+ node['displaySize'],
+ 0,
+ Math.PI * 2,
+ true);
+
+ ctx.closePath();
+ ctx.fill();
+
+ // Label:
+ ctx.fillStyle = self.p.labelActiveColor == 'node' ?
+ (node['color'] || self.p.defaultNodeColor) :
+ self.p.defaultLabelActiveColor;
+ ctx.fillText(
+ node['label'],
+ Math.round(node['displayX'] + node['displaySize'] * 1.5),
+ Math.round(node['displayY'] + fontSize / 2 - 3)
+ );
+
+ return self;
+ };
+
+ /**
+ * Determines if a node is on the screen or not. The limits here are
+ * bigger than the actual screen, to avoid seeing labels disappear during
+ * the graph manipulation.
+ * @param {Object} node The node to check if it is on or out the screen.
+ * @return {boolean} Returns false if the node is hidden or not on the screen
+ * or true else.
+ */
+ function isOnScreen(node) {
+ if (isNaN(node['x']) || isNaN(node['y'])) {
+ throw (new Error('A node\'s coordinate is not a ' +
+ 'number (id: ' + node['id'] + ')')
+ );
+ }
+
+ return !node['hidden'] &&
+ (node['displayX'] + node['displaySize'] > -width / 3) &&
+ (node['displayX'] - node['displaySize'] < width * 4 / 3) &&
+ (node['displayY'] + node['displaySize'] > -height / 3) &&
+ (node['displayY'] - node['displaySize'] < height * 4 / 3);
+ };
+
+ /**
+ * Resizes this instance.
+ * @param {number} w The new width.
+ * @param {number} h The new height.
+ * @return {Plotter} Returns itself.
+ */
+ function resize(w, h) {
+ width = w;
+ height = h;
+
+ return self;
+ }
+
+ this.task_drawLabel = task_drawLabel;
+ this.task_drawEdge = task_drawEdge;
+ this.task_drawNode = task_drawNode;
+ this.drawActiveNode = drawActiveNode;
+ this.drawHoverNode = drawHoverNode;
+ this.isOnScreen = isOnScreen;
+ this.resize = resize;
+}
+
+function SigmaPublic(sigmaInstance) {
+ var s = sigmaInstance;
+ var self = this;
+ sigma.classes.EventDispatcher.call(this);
+
+ this._core = sigmaInstance;
+
+ this.kill = function() {
+ // TODO
+ };
+
+ this.getID = function() {
+ return s.id;
+ };
+
+ // Config:
+ this.configProperties = function(a1, a2) {
+ var res = s.config(a1, a2);
+ return res == s ? self : res;
+ };
+
+ this.drawingProperties = function(a1, a2) {
+ var res = s.plotter.config(a1, a2);
+ return res == s.plotter ? self : res;
+ };
+
+ this.mouseProperties = function(a1, a2) {
+ var res = s.mousecaptor.config(a1, a2);
+ return res == s.mousecaptor ? self : res;
+ };
+
+ this.graphProperties = function(a1, a2) {
+ var res = s.graph.config(a1, a2);
+ return res == s.graph ? self : res;
+ };
+
+ this.getMouse = function() {
+ return {
+ mouseX: s.mousecaptor.mouseX,
+ mouseY: s.mousecaptor.mouseY,
+ down: s.mousecaptor.isMouseDown
+ };
+ };
+
+ // Actions:
+ this.position = function(stageX, stageY, ratio) {
+ if (arguments.length == 0) {
+ return {
+ stageX: s.mousecaptor.stageX,
+ stageY: s.mousecaptor.stageY,
+ ratio: s.mousecaptor.ratio
+ };
+ }else {
+ s.mousecaptor.stageX = stageX != undefined ?
+ stageX :
+ s.mousecaptor.stageX;
+ s.mousecaptor.stageY = stageY != undefined ?
+ stageY :
+ s.mousecaptor.stageY;
+ s.mousecaptor.ratio = ratio != undefined ?
+ ratio :
+ s.mousecaptor.ratio;
+
+ return self;
+ }
+ };
+
+ this.goTo = function(stageX, stageY, ratio) {
+ s.mousecaptor.interpolate(stageX, stageY, ratio);
+ return self;
+ };
+
+ this.zoomTo = function(x, y, ratio) {
+ ratio = Math.min(
+ Math.max(s.mousecaptor.config('minRatio'), ratio),
+ s.mousecaptor.config('maxRatio')
+ );
+ if (ratio == s.mousecaptor.ratio) {
+ s.mousecaptor.interpolate(
+ x - s.width / 2 + s.mousecaptor.stageX,
+ y - s.height / 2 + s.mousecaptor.stageY
+ );
+ }else {
+ s.mousecaptor.interpolate(
+ (ratio * x - s.mousecaptor.ratio * s.width/2) /
+ (ratio - s.mousecaptor.ratio),
+ (ratio * y - s.mousecaptor.ratio * s.height/2) /
+ (ratio - s.mousecaptor.ratio),
+ ratio
+ );
+ }
+ return self;
+ };
+
+ this.resize = function(w, h) {
+ s.resize(w, h);
+ return self;
+ };
+
+ this.draw = function(nodes, edges, labels, safe) {
+ s.draw(nodes, edges, labels, safe);
+ return self;
+ };
+
+ this.refresh = function() {
+ s.refresh();
+ return self;
+ };
+
+ // Tasks methods:
+ this.addGenerator = function(id, task, condition) {
+ sigma.chronos.addGenerator(id + '_ext_' + s.id, task, condition);
+ return self;
+ };
+
+ this.removeGenerator = function(id) {
+ sigma.chronos.removeGenerator(id + '_ext_' + s.id);
+ return self;
+ };
+
+ // Graph methods:
+ this.addNode = function(id, params) {
+ s.graph.addNode(id, params);
+ return self;
+ };
+
+ this.addEdge = function(id, source, target, params) {
+ s.graph.addEdge(id, source, target, params);
+ return self;
+ }
+
+ this.dropNode = function(v) {
+ s.graph.dropNode(v);
+ return self;
+ };
+
+ this.dropEdge = function(v) {
+ s.graph.dropEdge(v);
+ return self;
+ };
+
+ this.pushGraph = function(object, safe) {
+ object.nodes && object.nodes.forEach(function(node) {
+ node['id'] && (!safe || !s.graph.nodesIndex[node['id']]) &&
+ self.addNode(node['id'], node);
+ });
+
+ var isEdgeValid;
+ object.edges && object.edges.forEach(function(edge) {
+ validID = edge['source'] && edge['target'] && edge['id'];
+ validID &&
+ (!safe || !s.graph.edgesIndex[edge['id']]) &&
+ self.addNode(
+ edge['id'],
+ edge['source'],
+ edge['target'],
+ edge
+ );
+ });
+
+ return self;
+ };
+
+ this.emptyGraph = function() {
+ s.graph.empty();
+ return self;
+ };
+
+ this.getNodesCount = function() {
+ return s.graph.nodes.length;
+ };
+
+ this.getEdgesCount = function() {
+ return s.graph.edges.length;
+ };
+
+ this.iterNodes = function(fun, ids) {
+ s.graph.iterNodes(fun, ids);
+ return self;
+ };
+
+ this.iterEdges = function(fun, ids) {
+ s.graph.iterEdges(fun, ids);
+ return self;
+ };
+
+ this.getNodes = function(ids) {
+ return s.graph.getNodes(ids);
+ };
+
+ this.getEdges = function(ids) {
+ return s.graph.getEdges(ids);
+ };
+
+ // Monitoring
+ this.activateMonitoring = function() {
+ return s.monitor.activate();
+ };
+
+ this.desactivateMonitoring = function() {
+ return s.monitor.desactivate();
+ };
+
+ // Events
+ s.bind('downnodes upnodes downgraph upgraph', function(e) {
+ self.dispatch(e.type, e.content);
+ });
+
+ s.graph.bind('overnodes outnodes', function(e) {
+ self.dispatch(e.type, e.content);
+ });
+}
+
+/**
+ * The graph data model used in sigma.js.
+ * @constructor
+ * @extends sigma.classes.Cascade
+ * @extends sigma.classes.EventDispatcher
+ * @this {Graph}
+ */
+function Graph() {
+ sigma.classes.Cascade.call(this);
+ sigma.classes.EventDispatcher.call(this);
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {Graph}
+ */
+ var self = this;
+
+ /**
+ * The different parameters that determine how the nodes and edges should be
+ * translated and rescaled.
+ * @type {Object}
+ */
+ this.p = {
+ minNodeSize: 0,
+ maxNodeSize: 0,
+ minEdgeSize: 0,
+ maxEdgeSize: 0,
+ // Scaling mode:
+ // - 'inside' (default)
+ // - 'outside'
+ scalingMode: 'inside',
+ nodesPowRatio: 0.5,
+ edgesPowRatio: 0
+ };
+
+ /**
+ * Contains the borders of the graph. These are useful to avoid the user to
+ * drag the graph out of the canvas.
+ * @type {Object}
+ */
+ this.borders = {};
+
+ /**
+ * Inserts a node in the graph.
+ * @param {string} id The node's ID.
+ * @param {object} params An object containing the different parameters
+ * of the node.
+ * @return {Graph} Returns itself.
+ */
+ function addNode(id, params) {
+ if (self.nodesIndex[id]) {
+ throw new Error('Node "' + id + '" already exists.');
+ }
+
+ params = params || {};
+ var n = {
+ // Numbers :
+ 'x': 0,
+ 'y': 0,
+ 'size': 1,
+ 'degree': 0,
+ 'inDegree': 0,
+ 'outDegree': 0,
+ // Flags :
+ 'fixed': false,
+ 'active': false,
+ 'hidden': false,
+ 'forceLabel': false,
+ // Strings :
+ 'label': id.toString(),
+ 'id': id.toString(),
+ // Custom attributes :
+ 'attr': {}
+ };
+
+ for (var k in params) {
+ switch (k) {
+ case 'id':
+ break;
+ case 'x':
+ case 'y':
+ case 'size':
+ n[k] = +params[k];
+ break;
+ case 'fixed':
+ case 'active':
+ case 'hidden':
+ case 'forceLabel':
+ n[k] = !!params[k];
+ break;
+ case 'color':
+ case 'label':
+ n[k] = params[k];
+ break;
+ default:
+ n['attr'][k] = params[k];
+ }
+ }
+
+ self.nodes.push(n);
+ self.nodesIndex[id.toString()] = n;
+
+ return self;
+ };
+
+ /**
+ * Generates the clone of a node, to make it easier to be exported.
+ * @private
+ * @param {Object} node The node to clone.
+ * @return {Object} The clone of the node.
+ */
+ function cloneNode(node) {
+ return {
+ 'x': node['x'],
+ 'y': node['y'],
+ 'size': node['size'],
+ 'degree': node['degree'],
+ 'inDegree': node['inDegree'],
+ 'outDegree': node['outDegree'],
+ 'displayX': node['displayX'],
+ 'displayY': node['displayY'],
+ 'displaySize': node['displaySize'],
+ 'label': node['label'],
+ 'id': node['id'],
+ 'color': node['color'],
+ 'fixed': node['fixed'],
+ 'active': node['active'],
+ 'hidden': node['hidden'],
+ 'forceLabel': node['forceLabel'],
+ 'attr': node['attr']
+ };
+ };
+
+ /**
+ * Checks the clone of a node, and inserts its values when possible. For
+ * example, it is possible to modify the size or the color of a node, but it
+ * is not possible to modify its display values or its id.
+ * @private
+ * @param {Object} node The original node.
+ * @param {Object} copy The clone.
+ * @return {Graph} Returns itself.
+ */
+ function checkNode(node, copy) {
+ for (var k in copy) {
+ switch (k) {
+ case 'id':
+ case 'attr':
+ case 'degree':
+ case 'inDegree':
+ case 'outDegree':
+ case 'displayX':
+ case 'displayY':
+ case 'displaySize':
+ break;
+ case 'x':
+ case 'y':
+ case 'size':
+ node[k] = +copy[k];
+ break;
+ case 'fixed':
+ case 'active':
+ case 'hidden':
+ case 'forceLabel':
+ node[k] = !!copy[k];
+ break;
+ case 'color':
+ case 'label':
+ node[k] = (copy[k] || '').toString();
+ break;
+ default:
+ node['attr'][k] = copy[k];
+ }
+ }
+
+ return self;
+ };
+
+ /**
+ * Deletes one or several nodes from the graph, and the related edges.
+ * @param {(string|Array.<string>)} v A string ID, or an Array of several
+ * IDs.
+ * @return {Graph} Returns itself.
+ */
+ function dropNode(v) {
+ var a = (v instanceof Array ? v : [v]) || [];
+
+ a.forEach(function(id) {
+ if (self.nodesIndex[id]) {
+ var index = null;
+ self.nodes.some(function(n, i) {
+ if (n['id'] == id) {
+ index = i;
+ return true;
+ }
+ return false;
+ });
+
+ index != null && self.nodes.splice(index, 1);
+ delete self.nodesIndex[id];
+
+ var edgesToRemove = [];
+ self.edges = self.edges.filter(function(e) {
+ if (e['source']['id'] == id) {
+ delete self.edgesIndex[e['id']];
+ e['target']['degree']--;
+ e['target']['inDegree']--;
+ return false;
+ }else if (e['target']['id'] == id) {
+ delete self.edgesIndex[e['id']];
+ e['source']['degree']--;
+ e['source']['outDegree']--;
+ return false;
+ }
+ return true;
+ });
+ }else {
+ sigma.log('Node "' + id + '" does not exist.');
+ }
+ });
+
+ return self;
+ };
+
+ /**
+ * Inserts an edge in the graph.
+ * @param {string} id The edge ID.
+ * @param {string} source The ID of the edge source.
+ * @param {string} target The ID of the edge target.
+ * @param {object} params An object containing the different parameters
+ * of the edge.
+ * @return {Graph} Returns itself.
+ */
+ function addEdge(id, source, target, params) {
+ if (self.edgesIndex[id]) {
+ throw new Error('Edge "' + id + '" already exists.');
+ }
+
+ if (!self.nodesIndex[source]) {
+ var s = 'Edge\'s source "' + source + '" does not exist yet.';
+ throw new Error(s);
+ }
+
+ if (!self.nodesIndex[target]) {
+ var s = 'Edge\'s target "' + target + '" does not exist yet.';
+ throw new Error(s);
+ }
+
+ params = params || {};
+ var e = {
+ 'source': self.nodesIndex[source],
+ 'target': self.nodesIndex[target],
+ 'size': 1,
+ 'weight': 1,
+ 'displaySize': 0.5,
+ 'label': id.toString(),
+ 'id': id.toString(),
+ 'hidden': false,
+ 'attr': {}
+ };
+
+ e['source']['degree']++;
+ e['source']['outDegree']++;
+ e['target']['degree']++;
+ e['target']['inDegree']++;
+
+ for (var k in params) {
+ switch (k) {
+ case 'id':
+ case 'source':
+ case 'target':
+ break;
+ case 'hidden':
+ e[k] = !!params[k];
+ break;
+ case 'size':
+ case 'weight':
+ e[k] = +params[k];
+ break;
+ case 'color':
+ e[k] = params[k].toString();
+ break;
+ case 'type':
+ e[k] = params[k].toString();
+ break;
+ case 'label':
+ e[k] = params[k];
+ break;
+ default:
+ e['attr'][k] = params[k];
+ }
+ }
+
+ self.edges.push(e);
+ self.edgesIndex[id.toString()] = e;
+
+ return self;
+ };
+
+ /**
+ * Generates the clone of a edge, to make it easier to be exported.
+ * @private
+ * @param {Object} edge The edge to clone.
+ * @return {Object} The clone of the edge.
+ */
+ function cloneEdge(edge) {
+ return {
+ 'source': edge['source']['id'],
+ 'target': edge['target']['id'],
+ 'size': edge['size'],
+ 'type': edge['type'],
+ 'weight': edge['weight'],
+ 'displaySize': edge['displaySize'],
+ 'label': edge['label'],
+ 'hidden': edge['hidden'],
+ 'id': edge['id'],
+ 'attr': edge['attr'],
+ 'color': edge['color']
+ };
+ };
+
+ /**
+ * Checks the clone of an edge, and inserts its values when possible. For
+ * example, it is possible to modify the label or the type of an edge, but it
+ * is not possible to modify its display values or its id.
+ * @private
+ * @param {Object} edge The original edge.
+ * @param {Object} copy The clone.
+ * @return {Graph} Returns itself.
+ */
+ function checkEdge(edge, copy) {
+ for (var k in copy) {
+ switch (k) {
+ case 'id':
+ case 'displaySize':
+ break;
+ case 'weight':
+ case 'size':
+ edge[k] = +copy[k];
+ break;
+ case 'source':
+ case 'target':
+ edge[k] = self.nodesIndex[k] || edge[k];
+ break;
+ case 'hidden':
+ edge[k] = !!copy[k];
+ break;
+ case 'color':
+ case 'label':
+ case 'type':
+ edge[k] = (copy[k] || '').toString();
+ break;
+ default:
+ edge['attr'][k] = copy[k];
+ }
+ }
+
+ return self;
+ };
+
+ /**
+ * Deletes one or several edges from the graph.
+ * @param {(string|Array.<string>)} v A string ID, or an Array of several
+ * IDs.
+ * @return {Graph} Returns itself.
+ */
+ function dropEdge(v) {
+ var a = (v instanceof Array ? v : [v]) || [];
+
+ a.forEach(function(id) {
+ if (self.edgesIndex[id]) {
+ self.edgesIndex[id]['source']['degree']--;
+ self.edgesIndex[id]['source']['outDegree']--;
+ self.edgesIndex[id]['target']['degree']--;
+ self.edgesIndex[id]['target']['inDegree']--;
+
+ var index = null;
+ self.edges.some(function(n, i) {
+ if (n['id'] == id) {
+ index = i;
+ return true;
+ }
+ return false;
+ });
+
+ index != null && self.edges.splice(index, 1);
+ delete self.edgesIndex[id];
+ }else {
+ sigma.log('Edge "' + id + '" does not exist.');
+ }
+ });
+
+ return self;
+ };
+
+ /**
+ * Deletes every nodes and edges from the graph.
+ * @return {Graph} Returns itself.
+ */
+ function empty() {
+ self.nodes = [];
+ self.nodesIndex = {};
+ self.edges = [];
+ self.edgesIndex = {};
+
+ return self;
+ };
+
+ /**
+ * Computes the display x, y and size of each node, relatively to the
+ * original values and the borders determined in the parameters, such as
+ * each node is in the described area.
+ * @param {number} w The area width (actually the width of the DOM
+ * root).
+ * @param {number} h The area height (actually the height of the
+ * DOM root).
+ * @param {boolean} parseNodes Indicates if the nodes have to be parsed.
+ * @param {boolean} parseEdges Indicates if the edges have to be parsed.
+ * @return {Graph} Returns itself.
+ */
+ function rescale(w, h, parseNodes, parseEdges) {
+ var weightMax = 0, sizeMax = 0;
+
+ parseNodes && self.nodes.forEach(function(node) {
+ sizeMax = Math.max(node['size'], sizeMax);
+ });
+
+ parseEdges && self.edges.forEach(function(edge) {
+ weightMax = Math.max(edge['size'], weightMax);
+ });
+
+ sizeMax = sizeMax || 1;
+ weightMax = weightMax || 1;
+
+ // Recenter the nodes:
+ var xMin, xMax, yMin, yMax;
+ parseNodes && self.nodes.forEach(function(node) {
+ xMax = Math.max(node['x'], xMax || node['x']);
+ xMin = Math.min(node['x'], xMin || node['x']);
+ yMax = Math.max(node['y'], yMax || node['y']);
+ yMin = Math.min(node['y'], yMin || node['y']);
+ });
+
+ // First, we compute the scaling ratio, without considering the sizes
+ // of the nodes : Each node will have its center in the canvas, but might
+ // be partially out of it.
+ var scale = self.p.scalingMode == 'outside' ?
+ Math.max(w / Math.max(xMax - xMin, 1),
+ h / Math.max(yMax - yMin, 1)) :
+ Math.min(w / Math.max(xMax - xMin, 1),
+ h / Math.max(yMax - yMin, 1));
+
+ // Then, we correct that scaling ratio considering a margin, which is
+ // basically the size of the biggest node.
+ // This has to be done as a correction since to compare the size of the
+ // biggest node to the X and Y values, we have to first get an
+ // approximation of the scaling ratio.
+ var margin = (self.p.maxNodeSize || sizeMax) / scale;
+ xMax += margin;
+ xMin -= margin;
+ yMax += margin;
+ yMin -= margin;
+
+ scale = self.p.scalingMode == 'outside' ?
+ Math.max(w / Math.max(xMax - xMin, 1),
+ h / Math.max(yMax - yMin, 1)) :
+ Math.min(w / Math.max(xMax - xMin, 1),
+ h / Math.max(yMax - yMin, 1));
+
+ // Size homothetic parameters:
+ var a, b;
+ if (!self.p.maxNodeSize && !self.p.minNodeSize) {
+ a = 1;
+ b = 0;
+ }else if (self.p.maxNodeSize == self.p.minNodeSize) {
+ a = 0;
+ b = self.p.maxNodeSize;
+ }else {
+ a = (self.p.maxNodeSize - self.p.minNodeSize) / sizeMax;
+ b = self.p.minNodeSize;
+ }
+
+ var c, d;
+ if (!self.p.maxEdgeSize && !self.p.minEdgeSize) {
+ c = 1;
+ d = 0;
+ }else if (self.p.maxEdgeSize == self.p.minEdgeSize) {
+ c = 0;
+ d = self.p.minEdgeSize;
+ }else {
+ c = (self.p.maxEdgeSize - self.p.minEdgeSize) / weightMax;
+ d = self.p.minEdgeSize;
+ }
+
+ // Rescale the nodes:
+ parseNodes && self.nodes.forEach(function(node) {
+ node['displaySize'] = node['size'] * a + b;
+
+ if (!node['fixed']) {
+ node['displayX'] = (node['x'] - (xMax + xMin) / 2) * scale + w / 2;
+ node['displayY'] = (node['y'] - (yMax + yMin) / 2) * scale + h / 2;
+ }
+ });
+
+ parseEdges && self.edges.forEach(function(edge) {
+ edge['displaySize'] = edge['size'] * c + d;
+ });
+
+ return self;
+ };
+
+ /**
+ * Translates the display values of the nodes and edges relatively to the
+ * scene position and zoom ratio.
+ * @param {number} sceneX The x position of the scene.
+ * @param {number} sceneY The y position of the scene.
+ * @param {number} ratio The zoom ratio of the scene.
+ * @param {boolean} parseNodes Indicates if the nodes have to be parsed.
+ * @param {boolean} parseEdges Indicates if the edges have to be parsed.
+ * @return {Graph} Returns itself.
+ */
+ function translate(sceneX, sceneY, ratio, parseNodes, parseEdges) {
+ var sizeRatio = Math.pow(ratio, self.p.nodesPowRatio);
+ parseNodes && self.nodes.forEach(function(node) {
+ if (!node['fixed']) {
+ node['displayX'] = node['displayX'] * ratio + sceneX;
+ node['displayY'] = node['displayY'] * ratio + sceneY;
+ }
+
+ node['displaySize'] = node['displaySize'] * sizeRatio;
+ });
+
+ sizeRatio = Math.pow(ratio, self.p.edgesPowRatio);
+ parseEdges && self.edges.forEach(function(edge) {
+ edge['displaySize'] = edge['displaySize'] * sizeRatio;
+ });
+
+ return self;
+ };
+
+ /**
+ * Determines the borders of the graph as it will be drawn. It is used to
+ * avoid the user to drag the graph out of the canvas.
+ */
+ function setBorders() {
+ self.borders = {};
+
+ self.nodes.forEach(function(node) {
+ self.borders.minX = Math.min(
+ self.borders.minX == undefined ?
+ node['displayX'] - node['displaySize'] :
+ self.borders.minX,
+ node['displayX'] - node['displaySize']
+ );
+
+ self.borders.maxX = Math.max(
+ self.borders.maxX == undefined ?
+ node['displayX'] + node['displaySize'] :
+ self.borders.maxX,
+ node['displayX'] + node['displaySize']
+ );
+
+ self.borders.minY = Math.min(
+ self.borders.minY == undefined ?
+ node['displayY'] - node['displaySize'] :
+ self.borders.minY,
+ node['displayY'] - node['displaySize']
+ );
+
+ self.borders.maxY = Math.max(
+ self.borders.maxY == undefined ?
+ node['displayY'] - node['displaySize'] :
+ self.borders.maxY,
+ node['displayY'] - node['displaySize']
+ );
+ });
+ }
+
+ /**
+ * Checks which nodes are under the (mX, mY) points, representing the mouse
+ * position.
+ * @param {number} mX The mouse X position.
+ * @param {number} mY The mouse Y position.
+ * @return {Graph} Returns itself.
+ */
+ function checkHover(mX, mY) {
+ var dX, dY, s, over = [], out = [];
+ self.nodes.forEach(function(node) {
+ if (node['hidden']) {
+ node['hover'] = false;
+ return;
+ }
+
+ dX = Math.abs(node['displayX'] - mX);
+ dY = Math.abs(node['displayY'] - mY);
+ s = node['displaySize'];
+
+ var oldH = node['hover'];
+ var newH = dX < s && dY < s && Math.sqrt(dX * dX + dY * dY) < s;
+
+ if (oldH && !newH) {
+ node['hover'] = false;
+ out.push(node.id);
+ } else if (newH && !oldH) {
+ node['hover'] = true;
+ over.push(node.id);
+ }
+ });
+
+ over.length && self.dispatch('overnodes', over);
+ out.length && self.dispatch('outnodes', out);
+
+ return self;
+ };
+
+ /**
+ * Applies a function to a clone of each node (or indicated nodes), and then
+ * tries to apply the modifications made on the clones to the original nodes.
+ * @param {function(Object)} fun The function to execute.
+ * @param {?Array.<string>} ids An Array of node IDs (optional).
+ * @return {Graph} Returns itself.
+ */
+ function iterNodes(fun, ids) {
+ var a = ids ? ids.map(function(id) {
+ return self.nodesIndex[id];
+ }) : self.nodes;
+
+ var aCopies = a.map(cloneNode);
+ aCopies.forEach(fun);
+
+ a.forEach(function(n, i) {
+ checkNode(n, aCopies[i]);
+ });
+
+ return self;
+ };
+
+ /**
+ * Applies a function to a clone of each edge (or indicated edges), and then
+ * tries to apply the modifications made on the clones to the original edges.
+ * @param {function(Object)} fun The function to execute.
+ * @param {?Array.<string>} ids An Array of edge IDs (optional).
+ * @return {Graph} Returns itself.
+ */
+ function iterEdges(fun, ids) {
+ var a = ids ? ids.map(function(id) {
+ return self.edgesIndex[id];
+ }) : self.edges;
+
+ var aCopies = a.map(cloneEdge);
+ aCopies.forEach(fun);
+
+ a.forEach(function(e, i) {
+ checkEdge(e, aCopies[i]);
+ });
+
+ return self;
+ };
+
+ /**
+ * Returns a specific node clone or an array of specified node clones.
+ * @param {(string|Array.<string>)} ids The ID or an array of node IDs.
+ * @return {(Object|Array.<Object>)} The clone or the array of clones.
+ */
+ function getNodes(ids) {
+ var a = ((ids instanceof Array ? ids : [ids]) || []).map(function(id) {
+ return cloneNode(self.nodesIndex[id]);
+ });
+
+ return (ids instanceof Array ? a : a[0]);
+ };
+
+ /**
+ * Returns a specific edge clone or an array of specified edge clones.
+ * @param {(string|Array.<string>)} ids The ID or an array of edge IDs.
+ * @return {(Object|Array.<Object>)} The clone or the array of clones.
+ */
+ function getEdges(ids) {
+ var a = ((ids instanceof Array ? ids : [ids]) || []).map(function(id) {
+ return cloneEdge(self.edgesIndex[id]);
+ });
+
+ return (ids instanceof Array ? a : a[0]);
+ };
+
+ empty();
+
+ this.addNode = addNode;
+ this.addEdge = addEdge;
+ this.dropNode = dropNode;
+ this.dropEdge = dropEdge;
+
+ this.iterEdges = iterEdges;
+ this.iterNodes = iterNodes;
+
+ this.getEdges = getEdges;
+ this.getNodes = getNodes;
+
+ this.empty = empty;
+ this.rescale = rescale;
+ this.translate = translate;
+ this.setBorders = setBorders;
+ this.checkHover = checkHover;
+}
+
+sigma.easing = {
+ linear: {},
+ quadratic: {}
+};
+
+sigma.easing.linear.easenone = function(k) {
+ return k;
+};
+
+sigma.easing.quadratic.easein = function(k) {
+ return k * k;
+};
+
+sigma.easing.quadratic.easeout = function(k) {
+ return - k * (k - 2);
+};
+
+sigma.easing.quadratic.easeinout = function(k) {
+ if ((k *= 2) < 1) return 0.5 * k * k;
+ return - 0.5 * (--k * (k - 2) - 1);
+};
+
+sigma.debugMode = 0;
+
+sigma.log = function() {
+ if (sigma.debugMode == 1) {
+ for (var k in arguments) {
+ console.log(arguments[k]);
+ }
+ }else if (sigma.debugMode > 1) {
+ for (var k in arguments) {
+ throw new Error(arguments[k]);
+ }
+ }
+
+ return sigma;
+};
+
+/**
+ * Add a function to the prototype of SigmaPublic, but with access to the
+ * Sigma class properties.
+ * @param {string} pluginName [description].
+ * @param {function} caller [description].
+ * @param {function(Sigma)} launcher [description].
+ */
+sigma.addPlugin = function(pluginName, caller, launcher) {
+ SigmaPublic.prototype[pluginName] = caller;
+ local.plugins.push(launcher);
+};
+sigma.tools.drawRoundRect = function(ctx, x, y, w, h, ellipse, corners) {
+ var e = ellipse ? ellipse : 0;
+ var c = corners ? corners : [];
+ c = ((typeof c) == 'string') ? c.split(' ') : c;
+
+ var tl = e && (c.indexOf('topleft') >= 0 ||
+ c.indexOf('top') >= 0 ||
+ c.indexOf('left') >= 0);
+ var tr = e && (c.indexOf('topright') >= 0 ||
+ c.indexOf('top') >= 0 ||
+ c.indexOf('right') >= 0);
+ var bl = e && (c.indexOf('bottomleft') >= 0 ||
+ c.indexOf('bottom') >= 0 ||
+ c.indexOf('left') >= 0);
+ var br = e && (c.indexOf('bottomright') >= 0 ||
+ c.indexOf('bottom') >= 0 ||
+ c.indexOf('right') >= 0);
+
+ ctx.moveTo(x, y + e);
+
+ if (tl) {
+ ctx.arcTo(x, y, x + e, y, e);
+ }else {
+ ctx.lineTo(x, y);
+ }
+
+ if (tr) {
+ ctx.lineTo(x + w - e, y);
+ ctx.arcTo(x + w, y, x + w, y + e, e);
+ }else {
+ ctx.lineTo(x + w, y);
+ }
+
+ if (br) {
+ ctx.lineTo(x + w, y + h - e);
+ ctx.arcTo(x + w, y + h, x + w - e, y + h, e);
+ }else {
+ ctx.lineTo(x + w, y + h);
+ }
+
+ if (bl) {
+ ctx.lineTo(x + e, y + h);
+ ctx.arcTo(x, y + h, x, y + h - e, e);
+ }else {
+ ctx.lineTo(x, y + h);
+ }
+
+ ctx.lineTo(x, y + e);
+};
+
+sigma.tools.getRGB = function(s, asArray) {
+ s = s.toString();
+ var res = {
+ 'r': 0,
+ 'g': 0,
+ 'b': 0
+ };
+
+ if (s.length >= 3) {
+ if (s.charAt(0) == '#') {
+ var l = s.length - 1;
+ if (l == 6) {
+ res = {
+ 'r': parseInt(s.charAt(1) + s.charAt(2), 16),
+ 'g': parseInt(s.charAt(3) + s.charAt(4), 16),
+ 'b': parseInt(s.charAt(5) + s.charAt(5), 16)
+ };
+ }else if (l == 3) {
+ res = {
+ 'r': parseInt(s.charAt(1) + s.charAt(1), 16),
+ 'g': parseInt(s.charAt(2) + s.charAt(2), 16),
+ 'b': parseInt(s.charAt(3) + s.charAt(3), 16)
+ };
+ }
+ }
+ }
+
+ if (asArray) {
+ res = [
+ res['r'],
+ res['g'],
+ res['b']
+ ];
+ }
+
+ return res;
+};
+
+sigma.tools.rgbToHex = function(R, G, B) {
+ return sigma.tools.toHex(R) + sigma.tools.toHex(G) + sigma.tools.toHex(B);
+};
+
+sigma.tools.toHex = function(n) {
+ n = parseInt(n, 10);
+
+ if (isNaN(n)) {
+ return '00';
+ }
+ n = Math.max(0, Math.min(n, 255));
+ return '0123456789ABCDEF'.charAt((n - n % 16) / 16) +
+ '0123456789ABCDEF'.charAt(n % 16);
+};
+
+/**
+ * sigma.chronos manages frames insertion to simulate asynchronous computing.
+ * It has been designed to make possible to execute heavy computing tasks
+ * for the browser, without freezing it.
+ * @constructor
+ * @extends sigma.classes.Cascade
+ * @extends sigma.classes.EventDispatcher
+ * @this {sigma.chronos}
+ */
+sigma.chronos = new (function() {
+ sigma.classes.EventDispatcher.call(this);
+
+ /**
+ * Represents "this", without the well-known scope issue.
+ * @private
+ * @type {sigma.chronos}
+ */
+ var self = this;
+
+ /**
+ * Indicates whether any task is actively running or not.
+ * @private
+ * @type {boolean}
+ */
+ var isRunning = false;
+
+ /**
+ * Indicates the FPS "goal", that will define the theoretical
+ * frame length.
+ * @private
+ * @type {number}
+ */
+ var fpsReq = 80;
+
+ /**
+ * Stores the last computed FPS value (FPS is computed only when any
+ * task is running).
+ * @private
+ * @type {number}
+ */
+ var lastFPS = 0;
+
+ /**
+ * The number of frames inserted since the last start.
+ * @private
+ * @type {number}
+ */
+ var framesCount = 0;
+
+ /**
+ * The theoretical frame time.
+ * @private
+ * @type {number}
+ */
+ var frameTime = 1000 / fpsReq;
+
+ /**
+ * The theoretical frame length, minus the last measured delay.
+ * @private
+ * @type {number}
+ */
+ var correctedFrameTime = frameTime;
+
+ /**
+ * The measured length of the last frame.
+ * @private
+ * @type {number}
+ */
+ var effectiveTime = 0;
+
+ /**
+ * The time passed since the last runTasks action.
+ * @private
+ * @type {number}
+ */
+ var currentTime = 0;
+
+ /**
+ * The time when the last frame was inserted.
+ * @private
+ * @type {number}
+ */
+ var startTime = 0;
+
+ /**
+ * The difference between the theoretical frame length and the
+ * last measured frame length.
+ * @private
+ * @type {number}
+ */
+ var delay = 0;
+
+ /**
+ * The container of all active generators.
+ * @private
+ * @type {Object.<string, Object>}
+ */
+ var generators = {};
+
+ /**
+ * The array of all the referenced and active tasks.
+ * @private
+ * @type {Array.<Object>}
+ */
+ var tasks = [];
+
+ /**
+ * The array of all the referenced and queued tasks.
+ * @private
+ * @type {Array.<Object>}
+ */
+ var queuedTasks = [];
+
+ /**
+ * The index of the next task to execute.
+ * @private
+ * @type {number}
+ */
+ var taskIndex = 0;
+
+
+ /**
+ * Inserts a frame before executing the callback.
+ * @param {function()} callback The callback to execute after having
+ * inserted the frame.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function insertFrame(callback) {
+ window.setTimeout(callback, 0);
+ return self;
+ }
+
+ /**
+ * The local method that executes routine, and inserts frames when needed.
+ * It dispatches a "frameinserted" event after having inserted any frame,
+ * and an "insertframe" event before.
+ * @private
+ */
+ function frameInserter() {
+ self.dispatch('frameinserted');
+ while (isRunning && tasks.length && routine()) {}
+
+ if (!isRunning || !tasks.length) {
+ stopTasks();
+ } else {
+ startTime = (new Date()).getTime();
+ framesCount++;
+ delay = effectiveTime - frameTime;
+ correctedFrameTime = frameTime - delay;
+
+ self.dispatch('insertframe');
+ insertFrame(frameInserter);
+ }
+ };
+
+ /**
+ * The local method that executes the tasks, and compares the current frame
+ * length to the ideal frame length.
+ * @private
+ * @return {boolean} Returns false if the current frame should be ended,
+ * and true else.
+ */
+ function routine() {
+ taskIndex = taskIndex % tasks.length;
+
+ if (!tasks[taskIndex].task()) {
+ var n = tasks[taskIndex].taskName;
+
+ queuedTasks = queuedTasks.filter(function(e) {
+ (e.taskParent == n) && tasks.push({
+ taskName: e.taskName,
+ task: e.task
+ });
+ return e.taskParent != n;
+ });
+
+ self.dispatch('killed', tasks.splice(taskIndex--, 1)[0]);
+ }
+
+ taskIndex++;
+ effectiveTime = (new Date()).getTime() - startTime;
+ return effectiveTime <= correctedFrameTime;
+ };
+
+ /**
+ * Starts tasks execution.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function runTasks() {
+ isRunning = true;
+ taskIndex = 0;
+ framesCount = 0;
+
+ startTime = (new Date()).getTime();
+ currentTime = startTime;
+
+ self.dispatch('start');
+ self.dispatch('insertframe');
+ insertFrame(frameInserter);
+ return self;
+ };
+
+ /**
+ * Stops tasks execution, and dispatch a "stop" event.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function stopTasks() {
+ self.dispatch('stop');
+ isRunning = false;
+ return self;
+ };
+
+ /**
+ * A task is a function that will be executed continuously while it returns
+ * true. As soon as it return false, the task will be removed.
+ * If several tasks are present, they will be executed in parallele.
+ * This method will add the task to this execution process.
+ * @param {function(): boolean} task The task to add.
+ * @param {string} name The name of the worker, used for
+ * managing the different tasks.
+ * @param {boolean} autostart If true, sigma.chronos will start
+ * automatically if it is not working
+ * yet.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function addTask(task, name, autostart) {
+ if (typeof task != 'function') {
+ throw new Error('Task "' + name + '" is not a function');
+ }
+
+ tasks.push({
+ taskName: name,
+ task: task
+ });
+
+ isRunning = !!(isRunning || (autostart && runTasks()) || true);
+ return self;
+ };
+
+ /**
+ * Will add a task that will be start to be executed as soon as a task
+ * named as the parent will be removed.
+ * @param {function(): boolean} task The task to add.
+ * @param {string} name The name of the worker, used for
+ * managing the different tasks.
+ * @param {string} parent The name of the parent task.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function queueTask(task, name, parent) {
+ if (typeof task != 'function') {
+ throw new Error('Task "' + name + '" is not a function');
+ }
+
+ if (!tasks.concat(queuedTasks).some(function(e) {
+ return e.taskName == parent;
+ })) {
+ throw new Error(
+ 'Parent task "' + parent + '" of "' + name + '" is not attached.'
+ );
+ }
+
+ queuedTasks.push({
+ taskParent: parent,
+ taskName: name,
+ task: task
+ });
+
+ return self;
+ };
+
+ /**
+ * Removes a task.
+ * @param {string} v If v is undefined, then every tasks will
+ * be removed. If not, each task named v will
+ * be removed.
+ * @param {number} queueStatus Determines the queued tasks behaviour. If 0,
+ * then nothing will happen. If 1, the tasks
+ * queued to any removed task will be triggered.
+ * If 2, the tasks queued to any removed task
+ * will be removed as well.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function removeTask(v, queueStatus) {
+ if (v == undefined) {
+ tasks = [];
+ if (queueStatus == 1) {
+ queuedTasks = [];
+ }else if (queueStatus == 2) {
+ tasks = queuedTasks;
+ queuedTasks = [];
+ }
+ stopTasks();
+ } else {
+ var n = (typeof v == 'string') ? v : '';
+ tasks = tasks.filter(function(e) {
+ if ((typeof v == 'string') ? e.taskName == v : e.task == v) {
+ n = e.taskName;
+ return false;
+ }
+ return true;
+ });
+
+ if (queueStatus > 0) {
+ queuedTasks = queuedTasks.filter(function(e) {
+ if (queueStatus == 1 && e.taskParent == n) {
+ tasks.push(e);
+ }
+ return e.taskParent != n;
+ });
+ }
+ }
+
+ isRunning = !!(!tasks.length || (stopTasks() && false));
+ return self;
+ };
+
+ /**
+ * A generator is a pair task/condition. The task will be executed
+ * while it returns true.
+ * When it returns false, the condition will be tested. If
+ * the condition returns true, the task will be executed
+ * again at the next process iteration. If not, the generator
+ * is removed.
+ * If several generators are present, they will be executed one
+ * by one: When the first stops, the second will start, etc. When
+ * they are all ended, then the conditions will be tested to know
+ * which generators have to be started again.
+ * @param {string} id The generators ID.
+ * @param {function(): boolean} task The generator's task.
+ * @param {function(): boolean} condition The generator's condition.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function addGenerator(id, task, condition) {
+ if (generators[id] != undefined) {
+ return self;
+ }
+
+ generators[id] = {
+ task: task,
+ condition: condition
+ };
+
+ getGeneratorsCount(true) == 0 && startGenerators();
+ return self;
+ };
+
+ /**
+ * Removes a generator. It means that the task will continue being eecuted
+ * until it returns false, but then the
+ * condition will not be tested.
+ * @param {string} id The generator's ID.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function removeGenerator(id) {
+ if (generators[id]) {
+ generators[id].on = false;
+ generators[id].del = true;
+ }
+ return self;
+ };
+
+ /**
+ * Returns the number of generators.
+ * @private
+ * @param {boolean} running If true, returns the number of active
+ * generators instead.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function getGeneratorsCount(running) {
+ return running ?
+ Object.keys(generators).filter(function(id) {
+ return !!generators[id].on;
+ }).length :
+ Object.keys(generators).length;
+ };
+
+ /**
+ * Returns the array of the generators IDs.
+ * @return {array.<string>} The array of IDs.
+ */
+ function getGeneratorsIDs() {
+ return Object.keys(generators);
+ }
+
+ /**
+ * startGenerators is the method that manages which generator
+ * is the next to start when another one stops. It will dispatch
+ * a "stopgenerators" event if there is no more generator to start,
+ * and a "startgenerators" event else.
+ * @return {sigma.chronos} Returns itself.
+ */
+ function startGenerators() {
+ if (!Object.keys(generators).length) {
+ self.dispatch('stopgenerators');
+ }else {
+ self.dispatch('startgenerators');
+
+ self.unbind('killed', onTaskEnded);
+ insertFrame(function() {
+ for (var k in generators) {
+ generators[k].on = true;
+ addTask(
+ generators[k].task,
+ k,
+ false
+ );
+ }
+ });
+
+ self.bind('killed', onTaskEnded).runTasks();
+ }
+
+ return self;
+ };
+
+ /**
+ * A callback triggered everytime the task of a generator stops, that will
+ * test the related generator's condition, and see if there is still any
+ * generator to start.
+ * @private
+ * @param {Object} e The sigma.chronos "killed" event.
+ */
+ function onTaskEnded(e) {
+ if (generators[e['content'].taskName] != undefined) {
+ if (generators[e['content'].taskName].del ||
+ !generators[e['content'].taskName].condition()) {
+ delete generators[e['content'].taskName];
+ }else {
+ generators[e['content'].taskName].on = false;
+ }
+
+ if (getGeneratorsCount(true) == 0) {
+ startGenerators();
+ }
+ }
+ };
+
+ /**
+ * Either set or returns the fpsReq property. This property determines
+ * the number of frames that should be inserted per second.
+ * @param {?number} v The frequency asked.
+ * @return {(Chronos|number)} Returns the frequency if v is undefined, and
+ * itself else.
+ */
+ function frequency(v) {
+ if (v != undefined) {
+ fpsReq = Math.abs(1 * v);
+ frameTime = 1000 / fpsReq;
+ framesCount = 0;
+ return self;
+ } else {
+ return fpsReq;
+ }
+ };
+
+ /**
+ * Returns the actual average number of frames that are inserted per
+ * second.
+ * @return {number} The actual average FPS.
+ */
+ function getFPS() {
+ if (isRunning) {
+ lastFPS =
+ Math.round(
+ framesCount /
+ ((new Date()).getTime() - currentTime) *
+ 10000
+ ) / 10;
+ }
+
+ return lastFPS;
+ };
+
+ /**
+ * Returns the number of tasks.
+ * @return {number} The number of tasks.
+ */
+ function getTasksCount() {
+ return tasks.length;
+ }
+
+ /**
+ * Returns the number of queued tasks.
+ * @return {number} The number of queued tasks.
+ */
+ function getQueuedTasksCount() {
+ return queuedTasks.length;
+ }
+
+ /**
+ * Returns how long sigma.chronos has active tasks running
+ * without interuption for, in ms.
+ * @return {number} The time chronos is running without interuption for.
+ */
+ function getExecutionTime() {
+ return startTime - currentTime;
+ }
+
+ this.frequency = frequency;
+
+ this.runTasks = runTasks;
+ this.stopTasks = stopTasks;
+ this.insertFrame = insertFrame;
+
+ this.addTask = addTask;
+ this.queueTask = queueTask;
+ this.removeTask = removeTask;
+
+ this.addGenerator = addGenerator;
+ this.removeGenerator = removeGenerator;
+ this.startGenerators = startGenerators;
+ this.getGeneratorsIDs = getGeneratorsIDs;
+
+ this.getFPS = getFPS;
+ this.getTasksCount = getTasksCount;
+ this.getQueuedTasksCount = getQueuedTasksCount;
+ this.getExecutionTime = getExecutionTime;
+
+ return this;
+})();
+
+sigma.publicPrototype = SigmaPublic.prototype;
+})();
+
+