2 lines
14 KiB
JavaScript
2 lines
14 KiB
JavaScript
|
/* Copyright (c) 2006, Yahoo! Inc. All rights reserved. Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt Version: 0.11.1 */ YAHOO.util.Anim=function(el,attributes,duration,method){if(el){this.init(el,attributes,duration,method);}};YAHOO.util.Anim.prototype={toString:function(){var el=this.getEl();var id=el.id||el.tagName;return("Anim "+id);},patterns:{noNegatives:/width|height|opacity|padding/i,offsetAttribute:/^((width|height)|(top|left))$/,defaultUnit:/width|height|top$|bottom$|left$|right$/i,offsetUnit:/\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i},doMethod:function(attr,start,end){return this.method(this.currentFrame,start,end-start,this.totalFrames);},setAttribute:function(attr,val,unit){if(this.patterns.noNegatives.test(attr)){val=(val>0)?val:0;}YAHOO.util.Dom.setStyle(this.getEl(),attr,val+unit);},getAttribute:function(attr){var el=this.getEl();var val=YAHOO.util.Dom.getStyle(el,attr);if(val!=='auto'&&!this.patterns.offsetUnit.test(val)){return parseFloat(val);}var a=this.patterns.offsetAttribute.exec(attr)||[];var pos=!!(a[3]);var box=!!(a[2]);if(box||(YAHOO.util.Dom.getStyle(el,'position')=='absolute'&&pos)){val=el['offset'+a[0].charAt(0).toUpperCase()+a[0].substr(1)];}else{val=0;}return val;},getDefaultUnit:function(attr){if(this.patterns.defaultUnit.test(attr)){return'px';}return'';},setRuntimeAttribute:function(attr){var start;var end;var attributes=this.attributes;this.runtimeAttributes[attr]={};var isset=function(prop){return(typeof prop!=='undefined');};if(!isset(attributes[attr]['to'])&&!isset(attributes[attr]['by'])){return false;}start=(isset(attributes[attr]['from']))?attributes[attr]['from']:this.getAttribute(attr);if(isset(attributes[attr]['to'])){end=attributes[attr]['to'];}else if(isset(attributes[attr]['by'])){if(start.constructor==Array){end=[];for(var i=0,len=start.length;i<len;++i){end[i]=start[i]+attributes[attr]['by'][i];}}else{end=start+attributes[attr]['by'];}}this.runtimeAttributes[attr].start=start;this.runtimeAttributes[attr].end=end;this.runtimeAttributes[attr].unit=(isset(attributes[attr].unit))?attributes[attr]['unit']:this.getDefaultUnit(attr);},init:function(el,attributes,duration,method){var isAnimated=false;var startTime=null;var actualFrames=0;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.isAnimated=function(){return isAnimated;};this.getStartTime=function(){return startTime;};this.runtimeAttributes={};this.animate=function(){if(this.isAnimated()){return false;}this.currentFrame=0;this.totalFrames=(this.useSeconds)?Math.ceil(YAHOO.util.AnimMgr.fps*this.duration):this.duration;YAHOO.util.AnimMgr.registerElement(this);};this.stop=function(){YAHOO.util.AnimMgr.stop(this);};var onStart=function(){this.onStart.fire();for(var attr in this.attributes){this.setRuntimeAttribute(attr);}isAnimated=true;actualFrames=0;startTime=new Date();};var onTween=function(){var data={duration:new Date()-this.getStartTime(),currentFrame:this.currentFrame};data.toString=function(){return('duration: '+data.duration+', currentFrame: '+data.currentFrame);};this.onTween.fire(data);var runtimeAttributes=this.runtimeAttributes;for(var attr in runtimeAttributes){this.setAttribute(attr,this.doMethod(attr,runtimeAttributes[attr].start,runtimeAttributes[attr].end),runtimeAttributes[attr].unit);}actualFrames+=1;};var onComplete=function(){var actual_duration=(new Date()-startTime)/1000;var data={duration:actual_duration,frames:actualFrames,fps:actualFrames/actual_duration};data.toString=function(){return('duration: '+data.duration+', frames: '+data.frames+', fps: '+data.fps);};isAnimated=false;actualFrames=0;this.onComplete.fire(data);};this._onStart=new YAHOO.util.CustomEvent('_start',this,true);this.onStart=new YAHOO.util.CustomEvent('start',this);this.onTween=new YAHOO.util.CustomEvent('tween',this);this._onTween=new YAHOO.util.CustomEvent('_tween',this,true);this.onComplete=new YAHOO.util.
|