gecko-dev/webtools/new-graph/js/yui/animation.js

/*
Copyright (c) 2006, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 0.10.0
*/
YAHOO.util.Anim=function(el,attributes,duration,method){if(el){this.init(el,attributes,duration,method);}};YAHOO.util.Anim.prototype={doMethod:function(attribute,start,end){return this.method(this.currentFrame,start,end-start,this.totalFrames);},setAttribute:function(attribute,val,unit){YAHOO.util.Dom.setStyle(this.getEl(),attribute,val+unit);},getAttribute:function(attribute){return parseFloat(YAHOO.util.Dom.getStyle(this.getEl(),attribute));},defaultUnit:'px',defaultUnits:{opacity:' '},init:function(el,attributes,duration,method){var isAnimated=false;var startTime=null;var endTime=null;var actualFrames=0;var defaultValues={};el=YAHOO.util.Dom.get(el);this.attributes=attributes||{};this.duration=duration||1;this.method=method||YAHOO.util.Easing.easeNone;this.useSeconds=true;this.currentFrame=0;this.totalFrames=YAHOO.util.AnimMgr.fps;this.getEl=function(){return el;};this.setDefault=function(attribute,val){if(val.constructor!=Array&&(val=='auto'||isNaN(val))){switch(attribute){case'width':val=el.clientWidth||el.offsetWidth;break;case'height':val=el.clientHeight||el.offsetHeight;break;case'left':if(YAHOO.util.Dom.getStyle(el,'position')=='absolute'){val=el.offsetLeft;}else{val=0;}break;case'top':if(YAHOO.util.Dom.getStyle(el,'position')=='absolute'){val=el.offsetTop;}else{val=0;}break;default:val=0;}}defaultValues[attribute]=val;};this.getDefault=function(attribute){return defaultValues[attribute];};this.isAnimated=function(){return isAnimated;};this.getStartTime=function(){return startTime;};this.animate=function(){if(this.isAnimated()){return false;}this.onStart.fire();this._onStart.fire();this.totalFrames=(this.useSeconds)?Math.ceil(YAHOO.util.AnimMgr.fps*this.duration):this.duration;YAHOO.util.AnimMgr.registerElement(this);var attributes=this.attributes;var el=this.getEl();var val;for(var attribute in attributes){val=this.getAttribute(attribute);this.setDefault(attribute,val);}isAnimated=true;actualFrames=0;startTime=new Date();};this.stop=function(){if(!this.isAnimated()){return false;}this.currentFrame=0;endTime=new Date();var data={time:endTime,duration:endTime-startTime,frames:actualFrames,fps:actualFrames/this.duration};isAnimated=false;actualFrames=0;this.onComplete.fire(data);};var onTween=function(){var start;var end=null;var val;var unit;var attributes=this['attributes'];for(var attribute in attributes){unit=attributes[attribute]['unit']||this.defaultUnits[attribute]||this.defaultUnit;if(typeof attributes[attribute]['from']!='undefined'){start=attributes[attribute]['from'];}else{start=this.getDefault(attribute);}if(typeof attributes[attribute]['to']!='undefined'){end=attributes[attribute]['to'];}else if(typeof attributes[attribute]['by']!='undefined'){if(start.constructor==Array){end=[];for(var i=0,len=start.length;i<len;++i){end[i]=start[i]+attributes[attribute]['by'][i];}}else{end=start+attributes[attribute]['by'];}}if(end!==null&&typeof end!='undefined'){val=this.doMethod(attribute,start,end);if((attribute=='width'||attribute=='height'||attribute=='opacity')&&val<0){val=0;}this.setAttribute(attribute,val,unit);}}actualFrames+=1;};this._onStart=new YAHOO.util.CustomEvent('_onStart',this);this.onStart=new YAHOO.util.CustomEvent('start',this);this.onTween=new YAHOO.util.CustomEvent('tween',this);this._onTween=new YAHOO.util.CustomEvent('_tween',this);this.onComplete=new YAHOO.util.CustomEvent('complete',this);this._onTween.subscribe(onTween);}};YAHOO.util.AnimMgr=new function(){var thread=null;var queue=[];var tweenCount=0;this.fps=200;this.delay=1;this.registerElement=function(tween){if(tween.isAnimated()){return false;}queue[queue.length]=tween;tweenCount+=1;this.start();};this.start=function(){if(thread===null){thread=setInterval(this.run,this.delay);}};this.stop=function(tween){if(!tween){clearInterval(thread);for(var i=0,len=queue.length;i<len;++i){if(queue[i].isAnimated()){queue[i].stop();}}queue=[];thread=null;tweenCount=0;}else{tween.stop();tweenCount-=1;if(tweenCount<=0){this.stop();}}};this.run=function(){for(var i=0,len=queue.length;i<len;++i){var tween=queue[i];if(!tween||!tween.isAnimated()){con