Ext JS是一个创建丰富互联网应用程序的跨浏览器的JavaScrip库。它包含:高效率

源代码在线查看: ext-base-anim-min.js

软件大小: 7769 K
上传用户: cdcgl
关键词: JavaScrip Ext 互联网 应用程序
下载地址: 免注册下载 普通下载 VIP

相关代码

				/*
				 * Ext JS Library 3.0 Pre-alpha
				 * Copyright(c) 2006-2008, Ext JS, LLC.
				 * licensing@extjs.com
				 * 
				 * http://extjs.com/license
				 */
				
								(function(){var EXTLIB=Ext.lib,noNegativesRE=/width|height|opacity|padding/i,defaultUnitRE=/width|height|top$|bottom$|left$|right$/i,offsetUnitRE=/\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i;EXTLIB.Anim={motion:function(el,args,duration,easing,cb,scope){return this.run(el,args,duration,easing,cb,scope,EXTLIB.Motion);},run:function(el,args,duration,easing,cb,scope,type){type=type||EXTLIB.AnimBase;var anim=new type(el,args,duration,EXTLIB.Easing[easing]||easing);anim.animate(function(){if(cb)cb.call(scope);});return anim;}};EXTLIB.AnimBase=function(el,attrs,duration,method){if(el){this.init(el,attrs,duration,method);}};EXTLIB.AnimBase.prototype={doMethod:function(attr,start,end){var me=this;return me.method(me.curFrame,start,end-start,me.totalFrames);},setAttr:function(attr,val,unit){if(noNegativesRE.test(attr)&&val				Ext.fly(this.el,'_anim').setStyle(attr,val+unit);},getAttr:function(attr){var flyEl=fly(this.el),val=flyEl.getStyle(attr),getter;if(val!=='auto'&&!offsetUnitRE.test(val)){return parseFloat(val);}				getter=flyEl['get'+attr.charAt(0).toUpperCase()+attr.substr(1)];return getter?getter.call(flyEl):0;},setRunAttr:function(attr){var me=this,isEmpty=Ext.isEmpty,a=me.attrs[attr],unit=a.unit,by=a.by,from=a.from,to=a.to,ra=(me.runAttrs[attr]={}),start,end;if(isEmpty(to)&&isEmpty(by))return false;start=!isEmpty(from)?from:me.getAttr(attr);end=!isEmpty(to)?to:[];if(!isEmpty(by)){if(Ext.isArray(start)){Ext.each(start,function(v,i,s){end[i]=v+by[i];});}else{end=start+by;}}				ra.start=start;ra.end=end;ra.unit=!isEmpty(unit)?unit:(defaultUnitRE.test(attr)?'px':'');},init:function(el,attribute,duration,method){var me=this,actualFrames=0,ease=EXTLIB.Easing,anmgr=EXTLIB.AnimMgr;me.attrs=attribute||{};me.dur=duration||1;me.method=method||ease.easeNone;me.useSec=true;me.curFrame=0;me.totalFrames=anmgr.fps;me.el=Ext.getDom(el);me.isAnimated=false;me.startTime=null;me.runAttrs={};me.animate=function(callback,scope){function f(){var me=this;me.onComplete.removeListener(f);if(typeof callback=="function"){callback.call(scope||me,me);}};var me=this;me.onComplete.addListener(f,me);me.curFrame=0;me.totalFrames=(me.useSec)?Math.ceil(anmgr.fps*duration):duration;if(!me.isAnimated)anmgr.registerElement(me);};me.stop=function(finish){if(finish){me.curFrame=me.totalFrames;me._onTween.fire();}				anmgr.stop(me);};function onStart(){me.onStart.fire();me.runAttrs={};for(var attr in me.attrs){me.setRunAttr(attr);}				me.isAnimated=!!(me.startTime=new Date());actualFrames=0;};function onTween(){me.onTween.fire({duration:new Date()-me.startTime,curFrame:me.curFrame});for(var attr in me.runAttrs){var ra=me.runAttrs[attr];me.setAttr(attr,me.doMethod(attr,ra.start,ra.end),ra.unit);}				actualFrames++;};function onComplete(){me.isAnimated=false;me.onComplete.fire({duration:(new Date()-me.startTime)/1000,frames:actualFrames,fps:actualFrames/this.duration});actualFrames=0;};me.onStart=new Ext.util.Event(me);me.onTween=new Ext.util.Event(me);me.onComplete=new Ext.util.Event(me);(me._onStart=new Ext.util.Event(me)).addListener(onStart);(me._onTween=new Ext.util.Event(me)).addListener(onTween);(me._onComplete=new Ext.util.Event(me)).addListener(onComplete);}};EXTLIB.AnimMgr=function(){var thread=new Ext.util.TaskRunner(),pub;function correctFrame(tween){var frames=tween.totalFrames,frame=tween.curFrame,duration=tween.dur,expected=(frame*duration*1000/frames),elapsed=(new Date()-tween.startTime),tweak=0;if(elapsed				if(tweak>0&&isFinite(tweak)){if(frame+tweak>=frames){tweak=frames-(frame+1);}				tween.curFrame+=tweak;}};pub={fps:1000,delay:1,registerElement:function(tween){tween.run=function(tween){if(!tween||!tween.isAnimated){return;}				if(tween.curFrame++				tween._onTween.fire();}else{pub.stop(tween);}};tween.args=[tween];tween.scope=pub;tween.onStop=function(){tween._onComplete.fire();};tween.interval=pub.delay;thread.start(tween);tween._onStart.fire();},stop:function(tween){thread.stop(tween);}}				return pub;}();EXTLIB.Easing={easeNone:function(t,b,c,d){return c*t/d+b;},easeIn:function(t,b,c,d){return c*(t/=d)*t+b;},easeOut:function(t,b,c,d){return-c*(t/=d)*(t-2)+b;}};(function(){function bezier(points,t){var len=points.length,tmp=points.slice(0),C=(1-t),i,j;for(j=1;j				return[tmp[0][0],tmp[0][1]];}				EXTLIB.Motion=function(el,attrs,duration,method){if(el){EXTLIB.Motion.superclass.constructor.call(this,el,attrs,duration,method);}};Ext.extend(EXTLIB.Motion,EXTLIB.AnimBase);var superclass=EXTLIB.Motion.superclass,pointsRE=/^points$/i;Ext.apply(EXTLIB.Motion.prototype,{setAttr:function(attr,val,unit){var setAttr=superclass.setAttr,me=this;if(pointsRE.test(attr)){unit=unit||'px';setAttr.call(me,'left',val[0],unit);setAttr.call(me,'top',val[1],unit);}else{setAttr.call(me,attr,val,unit);}},getAttr:function(attr){var getAttr=superclass.getAttr,me=this;return pointsRE.test(attr)?[getAttr.call(me,'left'),getAttr.call(me,'top')]:getAttr.call(me,attr);},doMethod:function(attr,start,end){var me=this;return pointsRE.test(attr)?bezier(me.runAttrs[attr],me.method(me.curFrame,0,100,me.totalFrames)/100):superclass.doMethod.call(me,attr,start,end);},setRunAttr:function(attr){var me=this;if(pointsRE.test(attr)){var el=me.el,attrs=me.attrs,points=attrs.points,control=points.control||[],runAttrs=me.runAttrs,getXY=EXTLIB.Dom.getXY,from=attrs.points.from||getXY(el),start;function translateValues(val,start,to){var pageXY=to?getXY(me.el):[0,0];return val?[(val[0]||0)-pageXY[0]+start[0],(val[1]||0)-pageXY[1]+start[1]]:null;}				control=typeof control=="string"?[control]:Ext.toArray(control);Ext.fly(el,'_anim').position();EXTLIB.Dom.setXY(el,from);runAttrs[attr]=[start=me.getAttr('points')].concat(control);runAttrs[attr].push(translateValues(points.to||points.by||null,start,!Ext.isEmpty(points.to)));}				else{superclass.setRunAttr.call(me,attr);}}});})();})();			

相关资源