yui-ext.js

一个使用yui-ext库

if(typeof size=='number'||!YAHOO.ext.Element.unitPattern.test(size)){return size+this.defaultUnit;}
return size;},beginMeasure:function(){var el=this.dom;if(el.offsetWidth||el.offsetHeight){return this;}
var changed=[];var p=this.dom;while((!el.offsetWidth&&!el.offsetHeight)&&p&&p.tagName&&p.tagName.toLowerCase()!='body'){if(YAHOO.util.Dom.getStyle(p,'display')=='none'){changed.push({el:p,visibility:YAHOO.util.Dom.getStyle(p,'visibility')});p.style.visibility='hidden';p.style.display='block';}
p=p.parentNode;}
this._measureChanged=changed;return this;},endMeasure:function(){var changed=this._measureChanged;if(changed){for(var i=0,len=changed.length;i<len;i++){var r=changed[i];r.el.style.visibility=r.visibility;r.el.style.display='none';}
this._measureChanged=null;}
return this;},update:function(html,loadScripts,callback){if(typeof html=='undefined'){html='';}
if(loadScripts!==true){this.dom.innerHTML=html;if(typeof callback=='function'){callback();}
return this;}
var id=YAHOO.util.Dom.generateId();var dom=this.dom;html+='<span id="'+id+'"></span>';YAHOO.util.Event.onAvailable(id,function(){var hd=document.getElementsByTagName("head")[0];var re=/(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/img;var srcRe=/\ssrc=([\'\"])(.*?)\1/i;var match;while(match=re.exec(html)){var srcMatch=match[0].match(srcRe);if(srcMatch&&srcMatch[2]){var s=document.createElement("script");s.src=srcMatch[2];hd.appendChild(s);}else if(match[1]&&match[1].length>0){eval(match[1]);}}
var el=document.getElementById(id);if(el){el.parentNode.removeChild(el);}
if(typeof callback=='function'){callback();}});dom.innerHTML=html.replace(/(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/img,'');return this;},load:function(){var um=this.getUpdateManager();um.update.apply(um,arguments);return this;},getUpdateManager:function(){if(!this.updateManager){this.updateManager=new YAHOO.ext.UpdateManager(this);}
return this.updateManager;},unselectable:function(){this.dom.unselectable='on';this.swallowEvent('selectstart',true);this.applyStyles('-moz-user-select:none;-khtml-user-select:none;');return this;},getCenterXY:function(offsetScroll){var centerX=Math.round((YAHOO.util.Dom.getViewportWidth()-this.getWidth())/2);var centerY=Math.round((YAHOO.util.Dom.getViewportHeight()-this.getHeight())/2);if(!offsetScroll){return[centerX,centerY];}else{var scrollX=document.documentElement.scrollLeft||document.body.scrollLeft||0;var scrollY=document.documentElement.scrollTop||document.body.scrollTop||0;return[centerX+scrollX,centerY+scrollY];}},center:function(centerIn){if(!centerIn){this.setXY(this.getCenterXY(true));}else{var box=YAHOO.ext.Element.get(centerIn).getBox();this.setXY([box.x+(box.width/2)-(this.getWidth()/2),box.y+(box.height/2)-(this.getHeight()/2)]);}
return this;},getChildrenByTagName:function(tagName){var children=this.dom.getElementsByTagName(tagName);var len=children.length;var ce=new Array(len);for(var i=0;i<len;++i){ce[i]=YAHOO.ext.Element.get(children[i],true);}
return ce;},getChildrenByClassName:function(className,tagName){var children=YAHOO.util.Dom.getElementsByClassName(className,tagName,this.dom);var len=children.length;var ce=new Array(len);for(var i=0;i<len;++i){ce[i]=YAHOO.ext.Element.get(children[i],true);}
return ce;},isBorderBox:function(){if(typeof this.bbox=='undefined'){var el=this.dom;var b=YAHOO.ext.util.Browser;var strict=YAHOO.ext.Strict;this.bbox=((b.isIE&&!strict&&el.style.boxSizing!='content-box')||(b.isGecko&&YAHOO.util.Dom.getStyle(el,"-moz-box-sizing")=='border-box')||(!b.isSafari&&YAHOO.util.Dom.getStyle(el,"box-sizing")=='border-box'));}
return this.bbox;},getBox:function(contentBox,local){var xy;if(!local){xy=this.getXY();}else{var left=parseInt(YAHOO.util.Dom.getStyle('left'),10)||0;var top=parseInt(YAHOO.util.Dom.getStyle('top'),10)||0;xy=[left,top];}
var el=this.dom;var w=el.offsetWidth;var h=el.offsetHeight;if(!contentBox){return{x:xy[0],y:xy[1],width:w,height:h};}else{var l=this.getBorderWidth('l')+this.getPadding('l');var r=this.getBorderWidth('r')+this.getPadding('r');var t=this.getBorderWidth('t')+this.getPadding('t');var b=this.getBorderWidth('b')+this.getPadding('b');return{x:xy[0]+l,y:xy[1]+t,width:w-(l+r),height:h-(t+b)};}},setBox:function(box,adjust,animate,duration,onComplete,easing){var w=box.width,h=box.height;if((adjust&&!this.autoBoxAdjust)&&!this.isBorderBox()){w-=(this.getBorderWidth('lr')+this.getPadding('lr'));h-=(this.getBorderWidth('tb')+this.getPadding('tb'));}
this.setBounds(box.x,box.y,w,h,animate,duration,onComplete,easing);return this;},repaint:function(){var dom=this.dom;YAHOO.util.Dom.addClass(dom,'yui-ext-repaint');setTimeout(function(){YAHOO.util.Dom.removeClass(dom,'yui-ext-repaint');},1);return this;},getMargins:function(side){if(!side){return{top:parseInt(this.getStyle('margin-top'),10)||0,left:parseInt(this.getStyle('margin-left'),10)||0,bottom:parseInt(this.getStyle('margin-bottom'),10)||0,right:parseInt(this.getStyle('margin-right'),10)||0};}else{return this.addStyles(side,YAHOO.ext.Element.margins);}},addStyles:function(sides,styles){var val=0;for(var i=0,len=sides.length;i<len;i++){var w=parseInt(this.getStyle(styles[sides.charAt(i)]),10);if(!isNaN(w))val+=w;}
return val;},createProxy:function(config,renderTo,matchBox){if(renderTo){renderTo=YAHOO.util.Dom.get(renderTo);}else{renderTo=document.body;}
config=typeof config=='object'?config:{tag:'div',cls:config};var proxy=YAHOO.ext.DomHelper.append(renderTo,config,true);if(matchBox){proxy.setBox(this.getBox());}
return proxy;},createShim:function(){var config={tag:'iframe',frameBorder:'no',cls:'yiframe-shim',style:'position:absolute;visibility:hidden;left:0;top:0;overflow:hidden;',src:YAHOO.ext.SSL_SECURE_URL};var shim=YAHOO.ext.DomHelper.append(this.dom.parentNode,config,true);shim.setBox(this.getBox());return shim;},remove:function(){this.dom.parentNode.removeChild(this.dom);delete YAHOO.ext.Element.cache[this.dom.id];},addClassOnOver:function(className){this.on('mouseover',function(){this.addClass(className);},this,true);this.on('mouseout',function(){this.removeClass(className);},this,true);return this;},swallowEvent:function(eventName,preventDefault){var fn=function(e){e.stopPropagation();if(preventDefault){e.preventDefault();}};this.mon(eventName,fn);return this;},fitToParent:function(monitorResize){var p=getEl(this.dom.parentNode,true);p.beginMeasure();var box=p.getBox(true,true);p.endMeasure();this.setSize(box.width,box.height);if(monitorResize===true){YAHOO.ext.EventManager.onWindowResize(this.fitToParent,this,true);}
return this;},getNextSibling:function(){var n=this.dom.nextSibling;while(n&&n.nodeType!=1){n=n.nextSibling;}
return n;},getPrevSibling:function(){var n=this.dom.previousSibling;while(n&&n.nodeType!=1){n=n.previousSibling;}
return n;},appendChild:function(el){el=getEl(el);el.appendTo(this);return this;},createChild:function(config,insertBefore){var c;if(insertBefore){c=YAHOO.ext.DomHelper.insertBefore(insertBefore,config,true);}else{c=YAHOO.ext.DomHelper.append(this.dom,config,true);}
return c;},appendTo:function(el){var node=getEl(el).dom;node.appendChild(this.dom);return this;},insertBefore:function(el){var node=getEl(el).dom;node.parentNode.insertBefore(this.dom,node);return this;},insertAfter:function(el){var node=getEl(el).dom;node.parentNode.insertBefore(this.dom,node.nextSibling);return this;},wrap:function(config){if(!config){config={tag:'div'};}
var newEl=YAHOO.ext.DomHelper.insertBefore(this.dom,config,true);newEl.dom.appendChild(this.dom);return newEl;},replace:function(el){el=getEl(el);this.insertBefore(el);el.remove();return this;},insertHtml:function(where,html){YAHOO.ext.DomHelper.insertHtml(where,this.dom,html);return this;},set:function(o){var el=this.dom;var useSet=el.setAttribute?true:false;for(var attr in o){if(attr=='style'||typeof o[attr]=='function')continue;if(attr=='cls'){el.className=o['cls'];}else{if(useSet)el.setAttribute(attr,o[attr]);else el[attr]=o[attr];}}
YAHOO.ext.DomHelper.applyStyles(el,o.style);return this;},addKeyListener:function(key,fn,scope){var config;if(typeof key!='object'||key instanceof Array){config={key:key,fn:fn,scope:scope};}else{config={key:key.key,shift:key.shift,ctrl:key.ctrl,alt:key.alt,fn:fn,scope:scope};}
var map=new YAHOO.ext.KeyMap(this,config);return map;},addKeyMap:function(config){return new YAHOO.ext.KeyMap(this,config);}};YAHOO.ext.Element.prototype.autoBoxAdjust=true;YAHOO.ext.Element.prototype.autoDisplayMode=true;YAHOO.ext.Element.unitPattern=/\d+(px|em|%|en|ex|pt|in|cm|mm|pc)$/i;YAHOO.ext.Element.VISIBILITY=1;YAHOO.ext.Element.DISPLAY=2;YAHOO.ext.Element.blockElements=/^(?:address|blockquote|center|dir|div|dl|fieldset|form|h\d|hr|isindex|menu|ol|ul|p|pre|table|dd|dt|li|tbody|tr|td|thead|tfoot|iframe)$/i;YAHOO.ext.Element.borders={l:'border-left-width',r:'border-right-width',t:'border-top-width',b:'border-bottom-width'};YAHOO.ext.Element.paddings={l:'padding-left',r:'padding-right',t:'padding-top',b:'padding-bottom'};YAHOO.ext.Element.margins={l:'margin-left',r:'margin-right',t:'margin-top',b:'margin-bottom'};YAHOO.ext.Element.createStopHandler=function(stopPropagation,handler,scope,override){return function(e){if(e){if(stopPropagation){YAHOO.util.Event.stopEvent(e);}else{YAHOO.util.Event.preventDefault(e);}}
handler.call(override&&scope?scope:window,e,scope);};};YAHOO.ext.Element.cache={};YAHOO.ext.Element.get=function(el,autoGenerateId){if(!el){return null;}
autoGenerateId=true;if(el instanceof YAHOO.ext.Element){el.dom=YAHOO.util.Dom.get(el.id);YAHOO.ext.Element.cache[el.id]=el;return el;}else if(el.isComposite){return el;}else if(el instanceof Array){return YAHOO.ext.Element.select(el);}else if(el===document){if(!YAHOO.ext.Element.cache['__ydocument']){var docEl=function(){};docEl.prototype=YAHOO.ext.Element.prototype;var o=new docEl();o.dom=document;YAHOO.ext.Element.cache['__ydocument']=o;}
return YAHOO.ext.Element.cache['__ydocument'];}
var key=el;if(typeof el!='string'){if(!el.id&&!autoGenerateId){return null;}
YAHOO.util.Dom.generateId(el,'elgen-');key=el.id;}
var element=YAHOO.ext.Element.cache[key];if(!element){element=new YAHOO.ext.Element(key);if(!element.dom)return null;YAHOO.ext.Element.cache[key]=element;}else{element.dom=YAHOO.util.Dom.get(key);}
return element;};var getEl=YAHOO.ext.Element.get;YAHOO.util.Event.addListener(window,'unload',function(){YAHOO.ext.Element.cache=null;});

YAHOO.ext.CompositeElement=function(els){this.elements=[];this.addElements(els);};YAHOO.ext.CompositeElement.prototype={isComposite:true,addElements:function(els){if(!els)return this;var yels=this.elements;var index=yels.length-1;for(var i=0,len=els.length;i<len;i++){yels[++index]=getEl(els[i],true);}
return this;},invoke:function(fn,args){var els=this.elements;for(var i=0,len=els.length;i<len;i++){YAHOO.ext.Element.prototype[fn].apply(els[i],args);}
return this;},add:function(els){if(typeof els=='string'){this.addElements(YAHOO.ext.Element.selectorFunction(string));}else if(els instanceof Array){this.addElements(els);}else{this.addElements([els]);}
return this;},each:function(fn,scope){var els=this.elements;for(var i=0,len=els.length;i<len;i++){fn.call(scope||els[i],els[i],this,i);}
return this;}};YAHOO.ext.CompositeElementLite=function(els){YAHOO.ext.CompositeElementLite.superclass.constructor.call(this,els);this.el=YAHOO.ext.Element.get(this.elements[0],true);};YAHOO.extendX(YAHOO.ext.CompositeElementLite,YAHOO.ext.CompositeElement,{addElements:function(els){if(els){this.elements=this.elements.concat(els);}
return this;},invoke:function(fn,args){var els=this.elements;var el=this.el;for(var i=0,len=els.length;i<len;i++){el.dom=els[i];YAHOO.ext.Element.prototype[fn].apply(el,args);}
return this;}});YAHOO.ext.CompositeElement.createCall=function(proto,fnName){if(!proto[fnName]){proto[fnName]=function(){return this.invoke(fnName,arguments);};}};for(var fnName in YAHOO.ext.Element.prototype){if(typeof YAHOO.ext.Element.prototype[fnName]=='function'){YAHOO.ext.CompositeElement.createCall(YAHOO.ext.CompositeElement.prototype,fnName);}}
if(typeof cssQuery=='function'){YAHOO.ext.Element.selectorFunction=cssQuery;}else if(typeof document.getElementsBySelector=='function'){YAHOO.ext.Element.selectorFunction=document.getElementsBySelector.createDelegate(document);}
YAHOO.ext.Element.select=function(selector,unique){var els;if(typeof selector=='string'){els=YAHOO.ext.Element.selectorFunction(selector);}else if(selector instanceof Array){els=selector;}else{throw'Invalid selector';}
if(unique===true){return new YAHOO.ext.CompositeElement(els);}else{return new YAHOO.ext.CompositeElementLite(els);}};var getEls=YAHOO.ext.Element.select;

YAHOO.namespace('ext.state');YAHOO.ext.state.Provider=function(){YAHOO.ext.state.Provider.superclass.constructor.call(this);this.events={'statechange':new YAHOO.util.CustomEvent('statechange')};this.state={};};YAHOO.extendX(YAHOO.ext.state.Provider,YAHOO.ext.util.Observable,{get:function(name,defaultValue){return typeof this.state[name]=='undefined'?defaultValue:this.state[name];},clear:function(name){delete this.state[name];this.fireEvent('statechange',this,name,null);},set:function(name,value){this.state[name]=value;this.fireEvent('statechange',this,name,value);},decodeValue:function(cookie){var re=/^(a|n|d|b|s|o)\:(.*)$/;var matches=re.exec(unescape(cookie));if(!matches||!matches[1])return;var type=matches[1];var v=matches[2];switch(type){case'n':return parseFloat(v);case'd':return new Date(Date.parse(v));case'b':return(v=='1');case'a':var all=[];var values=v.split('^');for(var i=0,len=values.length;i<len;i++){all.push(this.decodeValue(values[i]))}
return all;case'o':var all={};var values=v.split('^');for(var i=0,len=values.length;i<len;i++){var kv=values[i].split('=');all[kv[0]]=this.decodeValue(kv[1]);}
return all;default:return v;}},encodeValue:function(v){var enc;if(typeof v=='number'){enc='n:'+v;}else if(typeof v=='boolean'){enc='b:'+(v?'1':'0');}else if(v instanceof Date){enc='d:'+v.toGMTString();}else if(v instanceof Array){var flat='';for(var i=0,len=v.length;i<len;i++){flat+=this.encodeValue(v[i]);if(i!=len-1)flat+='^';}
enc='a:'+flat;}else if(typeof v=='object'){var flat='';for(var key in v){if(typeof v[key]!='function'){flat+=key+'='+this.encodeValue(v[key])+'^';}}
enc='o:'+flat.substring(0,flat.length-1);}else{enc='s:'+v;}
return escape(enc);}});YAHOO.ext.state.Manager=new function(){var provider=new YAHOO.ext.state.Provider();return{setProvider:function(stateProvider){provider=stateProvider;},get:function(key,defaultValue){return provider.get(key,defaultValue);},set:function(key,value){provider.set(key,value);},clear:function(key){provider.clear(key);},getProvider:function(){return provider;}};}();YAHOO.ext.state.CookieProvider=function(config){YAHOO.ext.state.CookieProvider.superclass.constructor.call(this);this.path='/';this.expires=new Date(new Date().getTime()+(1000*60*60*24*7));this.domain=null;this.secure=false;YAHOO.ext.util.Config.apply(this,config);this.state=this.readCookies();};YAHOO.extendX(YAHOO.ext.state.CookieProvider,YAHOO.ext.state.Provider,{set:function(name,value){if(typeof value=='undefined'||value===null){this.clear(name);return;}