| 1 | /*! |
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| 2 | * Ext JS Library 3.0.0 |
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| 3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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| 4 | * licensing@extjs.com |
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| 5 | * http://www.extjs.com/license |
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| 6 | */ |
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| 7 | (function(){ |
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| 8 | var EXTLIB = Ext.lib, |
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| 9 | noNegatives = /width|height|opacity|padding/i, |
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| 10 | offsetAttribute = /^((width|height)|(top|left))$/, |
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| 11 | defaultUnit = /width|height|top$|bottom$|left$|right$/i, |
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| 12 | offsetUnit = /\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i, |
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| 13 | isset = function(v){ |
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| 14 | return typeof v !== 'undefined'; |
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| 15 | }, |
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| 16 | now = function(){ |
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| 17 | return new Date(); |
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| 18 | }; |
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| 19 | |
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| 20 | EXTLIB.Anim = { |
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| 21 | motion : function(el, args, duration, easing, cb, scope) { |
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| 22 | return this.run(el, args, duration, easing, cb, scope, Ext.lib.Motion); |
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| 23 | }, |
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| 24 | |
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| 25 | run : function(el, args, duration, easing, cb, scope, type) { |
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| 26 | type = type || Ext.lib.AnimBase; |
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| 27 | if (typeof easing == "string") { |
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| 28 | easing = Ext.lib.Easing[easing]; |
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| 29 | } |
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| 30 | var anim = new type(el, args, duration, easing); |
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| 31 | anim.animateX(function() { |
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| 32 | if(Ext.isFunction(cb)){ |
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| 33 | cb.call(scope); |
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| 34 | } |
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| 35 | }); |
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| 36 | return anim; |
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| 37 | } |
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| 38 | }; |
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| 39 | |
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| 40 | EXTLIB.AnimBase = function(el, attributes, duration, method) { |
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| 41 | if (el) { |
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| 42 | this.init(el, attributes, duration, method); |
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| 43 | } |
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| 44 | }; |
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| 45 | |
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| 46 | EXTLIB.AnimBase.prototype = { |
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| 47 | doMethod: function(attr, start, end) { |
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| 48 | var me = this; |
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| 49 | return me.method(me.curFrame, start, end - start, me.totalFrames); |
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| 50 | }, |
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| 51 | |
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| 52 | |
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| 53 | setAttr: function(attr, val, unit) { |
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| 54 | if (noNegatives.test(attr) && val < 0) { |
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| 55 | val = 0; |
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| 56 | } |
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| 57 | Ext.fly(this.el, '_anim').setStyle(attr, val + unit); |
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| 58 | }, |
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| 59 | |
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| 60 | |
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| 61 | getAttr: function(attr) { |
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| 62 | var el = Ext.fly(this.el), |
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| 63 | val = el.getStyle(attr), |
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| 64 | a = offsetAttribute.exec(attr) || [] |
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| 65 | |
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| 66 | if (val !== 'auto' && !offsetUnit.test(val)) { |
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| 67 | return parseFloat(val); |
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| 68 | } |
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| 69 | |
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| 70 | return (!!(a[2]) || (el.getStyle('position') == 'absolute' && !!(a[3]))) ? el.dom['offset' + a[0].charAt(0).toUpperCase() + a[0].substr(1)] : 0; |
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| 71 | }, |
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| 72 | |
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| 73 | |
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| 74 | getDefaultUnit: function(attr) { |
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| 75 | return defaultUnit.test(attr) ? 'px' : ''; |
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| 76 | }, |
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| 77 | |
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| 78 | animateX : function(callback, scope) { |
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| 79 | var me = this, |
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| 80 | f = function() { |
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| 81 | me.onComplete.removeListener(f); |
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| 82 | if (Ext.isFunction(callback)) { |
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| 83 | callback.call(scope || me, me); |
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| 84 | } |
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| 85 | }; |
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| 86 | me.onComplete.addListener(f, me); |
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| 87 | me.animate(); |
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| 88 | }, |
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| 89 | |
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| 90 | |
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| 91 | setRunAttr: function(attr) { |
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| 92 | var me = this, |
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| 93 | a = this.attributes[attr], |
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| 94 | to = a.to, |
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| 95 | by = a.by, |
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| 96 | from = a.from, |
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| 97 | unit = a.unit, |
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| 98 | ra = (this.runAttrs[attr] = {}), |
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| 99 | end; |
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| 100 | |
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| 101 | if (!isset(to) && !isset(by)){ |
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| 102 | return false; |
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| 103 | } |
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| 104 | |
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| 105 | var start = isset(from) ? from : me.getAttr(attr); |
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| 106 | if (isset(to)) { |
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| 107 | end = to; |
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| 108 | }else if(isset(by)) { |
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| 109 | if (Ext.isArray(start)){ |
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| 110 | end = []; |
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| 111 | Ext.each(start, function(v, i){ |
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| 112 | end[i] = v + by[i]; |
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| 113 | }); |
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| 114 | }else{ |
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| 115 | end = start + by; |
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| 116 | } |
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| 117 | } |
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| 118 | |
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| 119 | Ext.apply(ra, { |
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| 120 | start: start, |
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| 121 | end: end, |
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| 122 | unit: isset(unit) ? unit : me.getDefaultUnit(attr) |
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| 123 | }); |
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| 124 | }, |
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| 125 | |
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| 126 | |
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| 127 | init: function(el, attributes, duration, method) { |
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| 128 | var me = this, |
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| 129 | actualFrames = 0, |
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| 130 | mgr = EXTLIB.AnimMgr; |
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| 131 | |
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| 132 | Ext.apply(me, { |
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| 133 | isAnimated: false, |
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| 134 | startTime: null, |
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| 135 | el: Ext.getDom(el), |
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| 136 | attributes: attributes || {}, |
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| 137 | duration: duration || 1, |
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| 138 | method: method || EXTLIB.Easing.easeNone, |
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| 139 | useSec: true, |
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| 140 | curFrame: 0, |
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| 141 | totalFrames: mgr.fps, |
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| 142 | runAttrs: {}, |
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| 143 | animate: function(){ |
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| 144 | var me = this, |
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| 145 | d = me.duration; |
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| 146 | |
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| 147 | if(me.isAnimated){ |
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| 148 | return false; |
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| 149 | } |
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| 150 | |
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| 151 | me.curFrame = 0; |
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| 152 | me.totalFrames = me.useSec ? Math.ceil(mgr.fps * d) : d; |
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| 153 | mgr.registerElement(me); |
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| 154 | }, |
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| 155 | |
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| 156 | stop: function(finish){ |
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| 157 | var me = this; |
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| 158 | |
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| 159 | if(finish){ |
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| 160 | me.curFrame = me.totalFrames; |
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| 161 | me._onTween.fire(); |
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| 162 | } |
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| 163 | mgr.stop(me); |
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| 164 | } |
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| 165 | }); |
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| 166 | |
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| 167 | var onStart = function(){ |
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| 168 | var me = this, |
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| 169 | attr; |
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| 170 | |
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| 171 | me.onStart.fire(); |
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| 172 | me.runAttrs = {}; |
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| 173 | for(attr in this.attributes){ |
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| 174 | this.setRunAttr(attr); |
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| 175 | } |
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| 176 | |
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| 177 | me.isAnimated = true; |
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| 178 | me.startTime = now(); |
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| 179 | actualFrames = 0; |
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| 180 | }; |
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| 181 | |
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| 182 | |
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| 183 | var onTween = function(){ |
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| 184 | var me = this; |
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| 185 | |
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| 186 | me.onTween.fire({ |
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| 187 | duration: now() - me.startTime, |
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| 188 | curFrame: me.curFrame |
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| 189 | }); |
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| 190 | |
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| 191 | var ra = me.runAttrs; |
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| 192 | for (var attr in ra) { |
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| 193 | this.setAttr(attr, me.doMethod(attr, ra[attr].start, ra[attr].end), ra[attr].unit); |
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| 194 | } |
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| 195 | |
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| 196 | ++actualFrames; |
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| 197 | }; |
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| 198 | |
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| 199 | var onComplete = function() { |
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| 200 | var me = this, |
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| 201 | actual = (now() - me.startTime) / 1000, |
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| 202 | data = { |
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| 203 | duration: actual, |
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| 204 | frames: actualFrames, |
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| 205 | fps: actualFrames / actual |
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| 206 | }; |
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| 207 | |
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| 208 | me.isAnimated = false; |
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| 209 | actualFrames = 0; |
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| 210 | me.onComplete.fire(data); |
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| 211 | }; |
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| 212 | |
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| 213 | me.onStart = new Ext.util.Event(me); |
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| 214 | me.onTween = new Ext.util.Event(me); |
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| 215 | me.onComplete = new Ext.util.Event(me); |
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| 216 | (me._onStart = new Ext.util.Event(me)).addListener(onStart); |
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| 217 | (me._onTween = new Ext.util.Event(me)).addListener(onTween); |
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| 218 | (me._onComplete = new Ext.util.Event(me)).addListener(onComplete); |
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| 219 | } |
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| 220 | }; |
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| 221 | |
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| 222 | |
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| 223 | Ext.lib.AnimMgr = new function() { |
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| 224 | var me = this, |
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| 225 | thread = null, |
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| 226 | queue = [], |
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| 227 | tweenCount = 0; |
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| 228 | |
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| 229 | |
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| 230 | Ext.apply(me, { |
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| 231 | fps: 1000, |
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| 232 | delay: 1, |
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| 233 | registerElement: function(tween){ |
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| 234 | queue.push(tween); |
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| 235 | ++tweenCount; |
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| 236 | tween._onStart.fire(); |
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| 237 | me.start(); |
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| 238 | }, |
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| 239 | |
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| 240 | unRegister: function(tween, index){ |
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| 241 | tween._onComplete.fire(); |
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| 242 | index = index || getIndex(tween); |
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| 243 | if (index != -1) { |
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| 244 | queue.splice(index, 1); |
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| 245 | } |
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| 246 | |
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| 247 | if (--tweenCount <= 0) { |
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| 248 | me.stop(); |
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| 249 | } |
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| 250 | }, |
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| 251 | |
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| 252 | start: function(){ |
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| 253 | if(thread === null){ |
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| 254 | thread = setInterval(me.run, me.delay); |
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| 255 | } |
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| 256 | }, |
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| 257 | |
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| 258 | stop: function(tween){ |
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| 259 | if(!tween){ |
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| 260 | clearInterval(thread); |
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| 261 | for(var i = 0, len = queue.length; i < len; ++i){ |
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| 262 | if(queue[0].isAnimated){ |
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| 263 | me.unRegister(queue[0], 0); |
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| 264 | } |
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| 265 | } |
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| 266 | |
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| 267 | queue = []; |
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| 268 | thread = null; |
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| 269 | tweenCount = 0; |
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| 270 | }else{ |
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| 271 | me.unRegister(tween); |
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| 272 | } |
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| 273 | }, |
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| 274 | |
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| 275 | run: function(){ |
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| 276 | var tf; |
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| 277 | Ext.each(queue, function(tween){ |
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| 278 | if(tween && tween.isAnimated){ |
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| 279 | tf = tween.totalFrames; |
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| 280 | if(tween.curFrame < tf || tf === null){ |
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| 281 | ++tween.curFrame; |
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| 282 | if(tween.useSec){ |
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| 283 | correctFrame(tween); |
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| 284 | } |
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| 285 | tween._onTween.fire(); |
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| 286 | }else{ |
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| 287 | me.stop(tween); |
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| 288 | } |
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| 289 | } |
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| 290 | }, me); |
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| 291 | } |
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| 292 | }); |
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| 293 | |
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| 294 | var getIndex = function(anim) { |
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| 295 | var out = -1; |
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| 296 | Ext.each(queue, function(item, idx){ |
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| 297 | if(item == anim){ |
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| 298 | out = idx; |
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| 299 | return false; |
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| 300 | } |
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| 301 | }); |
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| 302 | return out; |
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| 303 | }; |
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| 304 | |
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| 305 | |
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| 306 | var correctFrame = function(tween) { |
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| 307 | var frames = tween.totalFrames, |
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| 308 | frame = tween.curFrame, |
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| 309 | duration = tween.duration, |
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| 310 | expected = (frame * duration * 1000 / frames), |
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| 311 | elapsed = (now() - tween.startTime), |
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| 312 | tweak = 0; |
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| 313 | |
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| 314 | if(elapsed < duration * 1000){ |
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| 315 | tweak = Math.round((elapsed / expected - 1) * frame); |
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| 316 | }else{ |
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| 317 | tweak = frames - (frame + 1); |
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| 318 | } |
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| 319 | if(tweak > 0 && isFinite(tweak)){ |
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| 320 | if(tween.curFrame + tweak >= frames){ |
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| 321 | tweak = frames - (frame + 1); |
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| 322 | } |
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| 323 | tween.curFrame += tweak; |
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| 324 | } |
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| 325 | }; |
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| 326 | }; |
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| 327 | |
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| 328 | EXTLIB.Bezier = new function() { |
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| 329 | |
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| 330 | this.getPosition = function(points, t) { |
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| 331 | var n = points.length, |
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| 332 | tmp = [], |
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| 333 | c = 1 - t, |
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| 334 | i, |
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| 335 | j; |
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| 336 | |
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| 337 | for (i = 0; i < n; ++i) { |
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| 338 | tmp[i] = [points[i][0], points[i][1]]; |
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| 339 | } |
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| 340 | |
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| 341 | for (j = 1; j < n; ++j) { |
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| 342 | for (i = 0; i < n - j; ++i) { |
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| 343 | tmp[i][0] = c * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0]; |
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| 344 | tmp[i][1] = c * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1]; |
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| 345 | } |
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| 346 | } |
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| 347 | |
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| 348 | return [ tmp[0][0], tmp[0][1] ]; |
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| 349 | |
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| 350 | }; |
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| 351 | }; |
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| 352 | |
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| 353 | |
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| 354 | EXTLIB.Easing = { |
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| 355 | easeNone: function (t, b, c, d) { |
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| 356 | return c * t / d + b; |
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| 357 | }, |
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| 358 | |
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| 359 | |
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| 360 | easeIn: function (t, b, c, d) { |
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| 361 | return c * (t /= d) * t + b; |
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| 362 | }, |
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| 363 | |
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| 364 | |
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| 365 | easeOut: function (t, b, c, d) { |
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| 366 | return -c * (t /= d) * (t - 2) + b; |
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| 367 | } |
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| 368 | }; |
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| 369 | |
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| 370 | (function() { |
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| 371 | EXTLIB.Motion = function(el, attributes, duration, method) { |
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| 372 | if (el) { |
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| 373 | EXTLIB.Motion.superclass.constructor.call(this, el, attributes, duration, method); |
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| 374 | } |
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| 375 | }; |
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| 376 | |
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| 377 | Ext.extend(EXTLIB.Motion, Ext.lib.AnimBase); |
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| 378 | |
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| 379 | var superclass = EXTLIB.Motion.superclass, |
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| 380 | proto = EXTLIB.Motion.prototype, |
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| 381 | pointsRe = /^points$/i; |
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| 382 | |
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| 383 | Ext.apply(EXTLIB.Motion.prototype, { |
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| 384 | setAttr: function(attr, val, unit){ |
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| 385 | var me = this, |
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| 386 | setAttr = superclass.setAttr; |
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| 387 | |
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| 388 | if (pointsRe.test(attr)) { |
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| 389 | unit = unit || 'px'; |
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| 390 | setAttr.call(me, 'left', val[0], unit); |
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| 391 | setAttr.call(me, 'top', val[1], unit); |
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| 392 | } else { |
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| 393 | setAttr.call(me, attr, val, unit); |
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| 394 | } |
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| 395 | }, |
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| 396 | |
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| 397 | getAttr: function(attr){ |
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| 398 | var me = this, |
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| 399 | getAttr = superclass.getAttr; |
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| 400 | |
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| 401 | return pointsRe.test(attr) ? [getAttr.call(me, 'left'), getAttr.call(me, 'top')] : getAttr.call(me, attr); |
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| 402 | }, |
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| 403 | |
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| 404 | doMethod: function(attr, start, end){ |
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| 405 | var me = this; |
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| 406 | |
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| 407 | return pointsRe.test(attr) |
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| 408 | ? EXTLIB.Bezier.getPosition(me.runAttrs[attr], me.method(me.curFrame, 0, 100, me.totalFrames) / 100) |
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| 409 | : superclass.doMethod.call(me, attr, start, end); |
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| 410 | }, |
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| 411 | |
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| 412 | setRunAttr: function(attr){ |
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| 413 | if(pointsRe.test(attr)){ |
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| 414 | |
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| 415 | var me = this, |
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| 416 | el = this.el, |
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| 417 | points = this.attributes.points, |
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| 418 | control = points.control || [], |
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| 419 | from = points.from, |
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| 420 | to = points.to, |
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| 421 | by = points.by, |
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| 422 | DOM = EXTLIB.Dom, |
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| 423 | start, |
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| 424 | i, |
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| 425 | end, |
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| 426 | len, |
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| 427 | ra; |
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| 428 | |
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| 429 | |
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| 430 | if(control.length > 0 && !Ext.isArray(control[0])){ |
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| 431 | control = [control]; |
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| 432 | }else{ |
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| 433 | /* |
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| 434 | var tmp = []; |
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| 435 | for (i = 0,len = control.length; i < len; ++i) { |
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| 436 | tmp[i] = control[i]; |
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| 437 | } |
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| 438 | control = tmp; |
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| 439 | */ |
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| 440 | } |
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| 441 | |
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| 442 | Ext.fly(el, '_anim').position(); |
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| 443 | DOM.setXY(el, isset(from) ? from : DOM.getXY(el)); |
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| 444 | start = me.getAttr('points'); |
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| 445 | |
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| 446 | |
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| 447 | if(isset(to)){ |
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| 448 | end = translateValues.call(me, to, start); |
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| 449 | for (i = 0,len = control.length; i < len; ++i) { |
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| 450 | control[i] = translateValues.call(me, control[i], start); |
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| 451 | } |
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| 452 | } else if (isset(by)) { |
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| 453 | end = [start[0] + by[0], start[1] + by[1]]; |
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| 454 | |
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| 455 | for (i = 0,len = control.length; i < len; ++i) { |
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| 456 | control[i] = [ start[0] + control[i][0], start[1] + control[i][1] ]; |
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| 457 | } |
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| 458 | } |
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| 459 | |
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| 460 | ra = this.runAttrs[attr] = [start]; |
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| 461 | if (control.length > 0) { |
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| 462 | ra = ra.concat(control); |
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| 463 | } |
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| 464 | |
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| 465 | ra[ra.length] = end; |
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| 466 | }else{ |
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| 467 | superclass.setRunAttr.call(this, attr); |
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| 468 | } |
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| 469 | } |
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| 470 | }); |
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| 471 | |
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| 472 | var translateValues = function(val, start) { |
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| 473 | var pageXY = EXTLIB.Dom.getXY(this.el); |
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| 474 | return [val[0] - pageXY[0] + start[0], val[1] - pageXY[1] + start[1]]; |
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| 475 | }; |
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| 476 | })(); |
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| 477 | })(); |
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