--- /dev/null
+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js">(function(){ \r
+ var EXTLIB = Ext.lib,\r
+ noNegatives = /width|height|opacity|padding/i,\r
+ offsetAttribute = /^((width|height)|(top|left))$/,\r
+ defaultUnit = /width|height|top$|bottom$|left$|right$/i,\r
+ offsetUnit = /\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i,\r
+ isset = function(v){\r
+ return typeof v !== 'undefined';\r
+ },\r
+ now = function(){\r
+ return new Date(); \r
+ };\r
+ \r
+ EXTLIB.Anim = {\r
+ motion : function(el, args, duration, easing, cb, scope) {\r
+ return this.run(el, args, duration, easing, cb, scope, Ext.lib.Motion);\r
+ },\r
+\r
+ run : function(el, args, duration, easing, cb, scope, type) {\r
+ type = type || Ext.lib.AnimBase;\r
+ if (typeof easing == "string") {\r
+ easing = Ext.lib.Easing[easing];\r
+ }\r
+ var anim = new type(el, args, duration, easing);\r
+ anim.animateX(function() {\r
+ if(Ext.isFunction(cb)){\r
+ cb.call(scope);\r
+ }\r
+ });\r
+ return anim;\r
+ }\r
+ };\r
+ \r
+ EXTLIB.AnimBase = function(el, attributes, duration, method) {\r
+ if (el) {\r
+ this.init(el, attributes, duration, method);\r
+ }\r
+ };\r
+\r
+ EXTLIB.AnimBase.prototype = {\r
+ doMethod: function(attr, start, end) {\r
+ var me = this;\r
+ return me.method(me.curFrame, start, end - start, me.totalFrames);\r
+ },\r
+\r
+\r
+ setAttr: function(attr, val, unit) {\r
+ if (noNegatives.test(attr) && val < 0) {\r
+ val = 0;\r
+ }\r
+ Ext.fly(this.el, '_anim').setStyle(attr, val + unit);\r
+ },\r
+\r
+\r
+ getAttr: function(attr) {\r
+ var el = Ext.fly(this.el),\r
+ val = el.getStyle(attr),\r
+ a = offsetAttribute.exec(attr) || []\r
+\r
+ if (val !== 'auto' && !offsetUnit.test(val)) {\r
+ return parseFloat(val);\r
+ }\r
+\r
+ return (!!(a[2]) || (el.getStyle('position') == 'absolute' && !!(a[3]))) ? el.dom['offset' + a[0].charAt(0).toUpperCase() + a[0].substr(1)] : 0;\r
+ },\r
+\r
+\r
+ getDefaultUnit: function(attr) {\r
+ return defaultUnit.test(attr) ? 'px' : '';\r
+ },\r
+\r
+ animateX : function(callback, scope) {\r
+ var me = this,\r
+ f = function() {\r
+ me.onComplete.removeListener(f);\r
+ if (Ext.isFunction(callback)) {\r
+ callback.call(scope || me, me);\r
+ }\r
+ };\r
+ me.onComplete.addListener(f, me);\r
+ me.animate();\r
+ },\r
+\r
+\r
+ setRunAttr: function(attr) { \r
+ var me = this,\r
+ a = this.attributes[attr],\r
+ to = a.to,\r
+ by = a.by,\r
+ from = a.from,\r
+ unit = a.unit,\r
+ ra = (this.runAttrs[attr] = {}),\r
+ end;\r
+\r
+ if (!isset(to) && !isset(by)){\r
+ return false;\r
+ }\r
+\r
+ var start = isset(from) ? from : me.getAttr(attr);\r
+ if (isset(to)) {\r
+ end = to;\r
+ }else if(isset(by)) {\r
+ if (Ext.isArray(start)){\r
+ end = [];\r
+ Ext.each(start, function(v, i){\r
+ end[i] = v + by[i];\r
+ });\r
+ }else{\r
+ end = start + by;\r
+ }\r
+ }\r
+\r
+ Ext.apply(ra, {\r
+ start: start,\r
+ end: end,\r
+ unit: isset(unit) ? unit : me.getDefaultUnit(attr)\r
+ });\r
+ },\r
+\r
+\r
+ init: function(el, attributes, duration, method) {\r
+ var me = this,\r
+ actualFrames = 0,\r
+ mgr = EXTLIB.AnimMgr;\r
+ \r
+ Ext.apply(me, {\r
+ isAnimated: false,\r
+ startTime: null,\r
+ el: Ext.getDom(el),\r
+ attributes: attributes || {},\r
+ duration: duration || 1,\r
+ method: method || EXTLIB.Easing.easeNone,\r
+ useSec: true,\r
+ curFrame: 0,\r
+ totalFrames: mgr.fps,\r
+ runAttrs: {},\r
+ animate: function(){\r
+ var me = this,\r
+ d = me.duration;\r
+ \r
+ if(me.isAnimated){\r
+ return false;\r
+ }\r
+\r
+ me.curFrame = 0;\r
+ me.totalFrames = me.useSec ? Math.ceil(mgr.fps * d) : d;\r
+ mgr.registerElement(me); \r
+ },\r
+ \r
+ stop: function(finish){\r
+ var me = this;\r
+ \r
+ if(finish){\r
+ me.curFrame = me.totalFrames;\r
+ me._onTween.fire();\r
+ }\r
+ mgr.stop(me);\r
+ }\r
+ });\r
+\r
+ var onStart = function(){\r
+ var me = this,\r
+ attr;\r
+ \r
+ me.onStart.fire();\r
+ me.runAttrs = {};\r
+ for(attr in this.attributes){\r
+ this.setRunAttr(attr);\r
+ }\r
+\r
+ me.isAnimated = true;\r
+ me.startTime = now();\r
+ actualFrames = 0;\r
+ };\r
+\r
+\r
+ var onTween = function(){\r
+ var me = this;\r
+\r
+ me.onTween.fire({\r
+ duration: now() - me.startTime,\r
+ curFrame: me.curFrame\r
+ });\r
+\r
+ var ra = me.runAttrs;\r
+ for (var attr in ra) {\r
+ this.setAttr(attr, me.doMethod(attr, ra[attr].start, ra[attr].end), ra[attr].unit);\r
+ }\r
+\r
+ ++actualFrames;\r
+ };\r
+\r
+ var onComplete = function() {\r
+ var me = this,\r
+ actual = (now() - me.startTime) / 1000,\r
+ data = {\r
+ duration: actual,\r
+ frames: actualFrames,\r
+ fps: actualFrames / actual\r
+ };\r
+\r
+ me.isAnimated = false;\r
+ actualFrames = 0;\r
+ me.onComplete.fire(data);\r
+ };\r
+\r
+ me.onStart = new Ext.util.Event(me);\r
+ me.onTween = new Ext.util.Event(me); \r
+ me.onComplete = new Ext.util.Event(me);\r
+ (me._onStart = new Ext.util.Event(me)).addListener(onStart);\r
+ (me._onTween = new Ext.util.Event(me)).addListener(onTween);\r
+ (me._onComplete = new Ext.util.Event(me)).addListener(onComplete); \r
+ }\r
+ };\r
+\r
+\r
+ Ext.lib.AnimMgr = new function() {\r
+ var me = this,\r
+ thread = null,\r
+ queue = [],\r
+ tweenCount = 0;\r
+\r
+\r
+ Ext.apply(me, {\r
+ fps: 1000,\r
+ delay: 1,\r
+ registerElement: function(tween){\r
+ queue.push(tween);\r
+ ++tweenCount;\r
+ tween._onStart.fire();\r
+ me.start();\r
+ },\r
+ \r
+ unRegister: function(tween, index){\r
+ tween._onComplete.fire();\r
+ index = index || getIndex(tween);\r
+ if (index != -1) {\r
+ queue.splice(index, 1);\r
+ }\r
+\r
+ if (--tweenCount <= 0) {\r
+ me.stop();\r
+ }\r
+ },\r
+ \r
+ start: function(){\r
+ if(thread === null){\r
+ thread = setInterval(me.run, me.delay);\r
+ }\r
+ },\r
+ \r
+ stop: function(tween){\r
+ if(!tween){\r
+ clearInterval(thread);\r
+ for(var i = 0, len = queue.length; i < len; ++i){\r
+ if(queue[0].isAnimated){\r
+ me.unRegister(queue[0], 0);\r
+ }\r
+ }\r
+\r
+ queue = [];\r
+ thread = null;\r
+ tweenCount = 0;\r
+ }else{\r
+ me.unRegister(tween);\r
+ }\r
+ },\r
+ \r
+ run: function(){\r
+ var tf;\r
+ Ext.each(queue, function(tween){\r
+ if(tween && tween.isAnimated){\r
+ tf = tween.totalFrames;\r
+ if(tween.curFrame < tf || tf === null){\r
+ ++tween.curFrame;\r
+ if(tween.useSec){\r
+ correctFrame(tween);\r
+ }\r
+ tween._onTween.fire();\r
+ }else{\r
+ me.stop(tween);\r
+ }\r
+ }\r
+ }, me);\r
+ }\r
+ });\r
+\r
+ var getIndex = function(anim) {\r
+ var out = -1;\r
+ Ext.each(queue, function(item, idx){\r
+ if(item == anim){\r
+ out = idx;\r
+ return false;\r
+ }\r
+ });\r
+ return out;\r
+ };\r
+\r
+\r
+ var correctFrame = function(tween) {\r
+ var frames = tween.totalFrames,\r
+ frame = tween.curFrame,\r
+ duration = tween.duration,\r
+ expected = (frame * duration * 1000 / frames),\r
+ elapsed = (now() - tween.startTime),\r
+ tweak = 0;\r
+\r
+ if(elapsed < duration * 1000){\r
+ tweak = Math.round((elapsed / expected - 1) * frame);\r
+ }else{\r
+ tweak = frames - (frame + 1);\r
+ }\r
+ if(tweak > 0 && isFinite(tweak)){\r
+ if(tween.curFrame + tweak >= frames){\r
+ tweak = frames - (frame + 1);\r
+ }\r
+ tween.curFrame += tweak;\r
+ }\r
+ };\r
+ };\r
+\r
+ EXTLIB.Bezier = new function() {\r
+\r
+ this.getPosition = function(points, t) {\r
+ var n = points.length,\r
+ tmp = [],\r
+ c = 1 - t, \r
+ i,\r
+ j;\r
+\r
+ for (i = 0; i < n; ++i) {\r
+ tmp[i] = [points[i][0], points[i][1]];\r
+ }\r
+\r
+ for (j = 1; j < n; ++j) {\r
+ for (i = 0; i < n - j; ++i) {\r
+ tmp[i][0] = c * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0];\r
+ tmp[i][1] = c * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1];\r
+ }\r
+ }\r
+\r
+ return [ tmp[0][0], tmp[0][1] ];\r
+\r
+ };\r
+ };\r
+\r
+\r
+ EXTLIB.Easing = {\r
+ easeNone: function (t, b, c, d) {\r
+ return c * t / d + b;\r
+ },\r
+\r
+\r
+ easeIn: function (t, b, c, d) {\r
+ return c * (t /= d) * t + b;\r
+ },\r
+\r
+\r
+ easeOut: function (t, b, c, d) {\r
+ return -c * (t /= d) * (t - 2) + b;\r
+ }\r
+ };\r
+\r
+ (function() {\r
+ EXTLIB.Motion = function(el, attributes, duration, method) {\r
+ if (el) {\r
+ EXTLIB.Motion.superclass.constructor.call(this, el, attributes, duration, method);\r
+ }\r
+ };\r
+\r
+ Ext.extend(EXTLIB.Motion, Ext.lib.AnimBase);\r
+\r
+ var superclass = EXTLIB.Motion.superclass,\r
+ proto = EXTLIB.Motion.prototype,\r
+ pointsRe = /^points$/i;\r
+\r
+ Ext.apply(EXTLIB.Motion.prototype, {\r
+ setAttr: function(attr, val, unit){\r
+ var me = this,\r
+ setAttr = superclass.setAttr;\r
+ \r
+ if (pointsRe.test(attr)) {\r
+ unit = unit || 'px';\r
+ setAttr.call(me, 'left', val[0], unit);\r
+ setAttr.call(me, 'top', val[1], unit);\r
+ } else {\r
+ setAttr.call(me, attr, val, unit);\r
+ }\r
+ },\r
+ \r
+ getAttr: function(attr){\r
+ var me = this,\r
+ getAttr = superclass.getAttr;\r
+ \r
+ return pointsRe.test(attr) ? [getAttr.call(me, 'left'), getAttr.call(me, 'top')] : getAttr.call(me, attr);\r
+ },\r
+ \r
+ doMethod: function(attr, start, end){\r
+ var me = this;\r
+ \r
+ return pointsRe.test(attr)\r
+ ? EXTLIB.Bezier.getPosition(me.runAttrs[attr], me.method(me.curFrame, 0, 100, me.totalFrames) / 100)\r
+ : superclass.doMethod.call(me, attr, start, end);\r
+ },\r
+ \r
+ setRunAttr: function(attr){\r
+ if(pointsRe.test(attr)){\r
+ \r
+ var me = this,\r
+ el = this.el,\r
+ points = this.attributes.points,\r
+ control = points.control || [],\r
+ from = points.from,\r
+ to = points.to,\r
+ by = points.by,\r
+ DOM = EXTLIB.Dom,\r
+ start,\r
+ i,\r
+ end,\r
+ len,\r
+ ra;\r
+ \r
+\r
+ if(control.length > 0 && !Ext.isArray(control[0])){\r
+ control = [control];\r
+ }else{\r
+ /*\r
+ var tmp = [];\r
+ for (i = 0,len = control.length; i < len; ++i) {\r
+ tmp[i] = control[i];\r
+ }\r
+ control = tmp;\r
+ */\r
+ }\r
+\r
+ Ext.fly(el, '_anim').position();\r
+ DOM.setXY(el, isset(from) ? from : DOM.getXY(el));\r
+ start = me.getAttr('points');\r
+\r
+\r
+ if(isset(to)){\r
+ end = translateValues.call(me, to, start);\r
+ for (i = 0,len = control.length; i < len; ++i) {\r
+ control[i] = translateValues.call(me, control[i], start);\r
+ }\r
+ } else if (isset(by)) {\r
+ end = [start[0] + by[0], start[1] + by[1]];\r
+\r
+ for (i = 0,len = control.length; i < len; ++i) {\r
+ control[i] = [ start[0] + control[i][0], start[1] + control[i][1] ];\r
+ }\r
+ }\r
+\r
+ ra = this.runAttrs[attr] = [start];\r
+ if (control.length > 0) {\r
+ ra = ra.concat(control);\r
+ }\r
+\r
+ ra[ra.length] = end;\r
+ }else{\r
+ superclass.setRunAttr.call(this, attr);\r
+ }\r
+ }\r
+ });\r
+\r
+ var translateValues = function(val, start) {\r
+ var pageXY = EXTLIB.Dom.getXY(this.el);\r
+ return [val[0] - pageXY[0] + start[0], val[1] - pageXY[1] + start[1]];\r
+ };\r
+ })();\r
+})();</pre> \r
+</body>\r
+</html>
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