yui-ext.js

一个使用yui-ext库

Math.floor(c/16).toString(16)+
(c%16).toString(16);})+'"';}
return'"'+s+'"';};var encodeArray=function(o){var a=['['],b,i,l=o.length,v;for(i=0;i<l;i+=1){v=o[i];switch(typeof v){case'undefined':case'function':case'unknown':break;default:if(b){a.push(',');}
a.push(v===null?"null":YAHOO.ext.util.JSON.encode(v));b=true;}}
a.push(']');return a.join('');};var encodeDate=function(o){return'"'+o.getFullYear()+'-'+
pad(o.getMonth()+1)+'-'+
pad(o.getDate())+'T'+
pad(o.getHours())+':'+
pad(o.getMinutes())+':'+
pad(o.getSeconds())+'"';};this.encode=function(o){if(typeof o=='undefined'||o===null){return'null';}else if(o instanceof Array){return encodeArray(o);}else if(o instanceof Date){return encodeDate(o);}else if(typeof o=='string'){return encodeString(o);}else if(typeof o=='number'){return isFinite(o)?String(o):"null";}else if(typeof o=='boolean'){return String(o);}else{var a=['{'],b,i,v;for(var i in o){if(!useHasOwn||o.hasOwnProperty(i)){v=o[i];switch(typeof v){case'undefined':case'function':case'unknown':break;default:if(b){a.push(',');}
a.push(this.encode(i),':',v===null?"null":this.encode(v));b=true;}}}
a.push('}');return a.join('');}};this.decode=function(json){return eval('('+json+')');};}();

YAHOO.ext.util.CSS=new function(){var rules=null;var toCamel=function(property){var convert=function(prop){var test=/(-[a-z])/i.exec(prop);return prop.replace(RegExp.$1,RegExp.$1.substr(1).toUpperCase());};while(property.indexOf('-')>-1){property=convert(property);}
return property;};this.getRules=function(refreshCache){if(rules==null||refreshCache){rules={};var ds=document.styleSheets;for(var i=0,len=ds.length;i<len;i++){try{var ss=ds[i];var ssRules=ss.cssRules||ss.rules;for(var j=ssRules.length-1;j>=0;--j){rules[ssRules[j].selectorText]=ssRules[j];}}catch(e){}}}
return rules;};this.getRule=function(selector,refreshCache){var rs=this.getRules(refreshCache);if(!(selector instanceof Array)){return rs[selector];}
for(var i=0;i<selector.length;i++){if(rs[selector[i]]){return rs[selector[i]];}}
return null;};this.updateRule=function(selector,property,value){if(!(selector instanceof Array)){var rule=this.getRule(selector);if(rule){rule.style[toCamel(property)]=value;return true;}}else{for(var i=0;i<selector.length;i++){if(this.updateRule(selector[i],property,value)){return true;}}}
return false;};this.apply=function(el,selector){if(!(selector instanceof Array)){var rule=this.getRule(selector);if(rule){var s=rule.style;for(var key in s){if(typeof s[key]!='function'){if(s[key]&&String(s[key]).indexOf(':')<0&&s[key]!='false'){try{el.style[key]=s[key];}catch(e){}}}}
return true;}}else{for(var i=0;i<selector.length;i++){if(this.apply(el,selector[i])){return true;}}}
return false;};this.applyFirst=function(el,id,selector){var selectors=['#'+id+' '+selector,selector];return this.apply(el,selectors);};this.revert=function(el,selector){if(!(selector instanceof Array)){var rule=this.getRule(selector);if(rule){for(key in rule.style){if(rule.style[key]&&String(rule.style[key]).indexOf(':')<0&&rule.style[key]!='false'){try{el.style[key]='';}catch(e){}}}
return true;}}else{for(var i=0;i<selector.length;i++){if(this.revert(el,selector[i])){return true;}}}
return false;};this.revertFirst=function(el,id,selector){var selectors=['#'+id+' '+selector,selector];return this.revert(el,selectors);};}();

YAHOO.ext.util.Bench=function(){this.timers={};this.lastKey=null;};YAHOO.ext.util.Bench.prototype={start:function(key){this.lastKey=key;this.timers[key]={};this.timers[key].startTime=new Date().getTime();},stop:function(key){key=key||this.lastKey;this.timers[key].endTime=new Date().getTime();},getElapsed:function(key){key=key||this.lastKey;return this.timers[key].endTime-this.timers[key].startTime;},toString:function(html){var results="";for(var key in this.timers){if(typeof this.timers[key]!='function'){results+=key+":\t"+(this.getElapsed(key)/1000)+" seconds\n";}}
if(html){results=results.replace("\n",'<br>');}
return results;},show:function(){alert(this.toString());}};

YAHOO.ext.DomHelper=new function(){var d=document;var tempTableEl=null;this.useDom=false;var emptyTags=/^(?:base|basefont|br|frame|hr|img|input|isindex|link|meta|nextid|range|spacer|wbr|audioscope|area|param|keygen|col|limittext|spot|tab|over|right|left|choose|atop|of)$/i;this.applyStyles=function(el,styles){if(styles){var D=YAHOO.util.Dom;if(typeof styles=="string"){var re=/\s?([a-z\-]*)\:([^;]*);?/gi;var matches;while((matches=re.exec(styles))!=null){D.setStyle(el,matches[1],matches[2]);}}else if(typeof styles=="object"){for(var style in styles){D.setStyle(el,style,styles[style]);}}else if(typeof styles=="function"){YAHOO.ext.DomHelper.applyStyles(el,styles.call());}}};var createHtml=function(o){var b='';b+='<'+o.tag;for(var attr in o){if(attr=='tag'||attr=='children'||attr=='html'||typeof o[attr]=='function')continue;if(attr=='style'){var s=o['style'];if(typeof s=='function'){s=s.call();}
if(typeof s=='string'){b+=' style="'+s+'"';}else if(typeof s=='object'){b+=' style="';for(var key in s){if(typeof s[key]!='function'){b+=key+':'+s[key]+';';}}
b+='"';}}else{if(attr=='cls'){b+=' class="'+o['cls']+'"';}else if(attr=='htmlFor'){b+=' for="'+o['htmlFor']+'"';}else{b+=' '+attr+'="'+o[attr]+'"';}}}
if(emptyTags.test(o.tag)){b+=' />';}else{b+='>';if(o.children){for(var i=0,len=o.children.length;i<len;i++){b+=createHtml(o.children[i],b);}}
if(o.html){b+=o.html;}
b+='</'+o.tag+'>';}
return b;}
var createDom=function(o,parentNode){var el=d.createElement(o.tag);var useSet=el.setAttribute?true:false;for(var attr in o){if(attr=='tag'||attr=='children'||attr=='html'||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);if(o.children){for(var i=0,len=o.children.length;i<len;i++){createDom(o.children[i],el);}}
if(o.html){el.innerHTML=o.html;}
if(parentNode){parentNode.appendChild(el);}
return el;};var insertIntoTable=function(tag,where,el,html){if(!tempTableEl){tempTableEl=document.createElement('div');}
var node;if(tag=='table'||tag=='tbody'){tempTableEl.innerHTML='<table><tbody>'+html+'</tbody></table>';node=tempTableEl.firstChild.firstChild.firstChild;}else{tempTableEl.innerHTML='<table><tbody><tr>'+html+'</tr></tbody></table>';node=tempTableEl.firstChild.firstChild.firstChild.firstChild;}
if(where=='beforebegin'){el.parentNode.insertBefore(node,el);return node;}else if(where=='afterbegin'){el.insertBefore(node,el.firstChild);return node;}else if(where=='beforeend'){el.appendChild(node);return node;}else if(where=='afterend'){el.parentNode.insertBefore(node,el.nextSibling);return node;}}
this.insertHtml=function(where,el,html){where=where.toLowerCase();if(el.insertAdjacentHTML){var tag=el.tagName.toLowerCase();if(tag=='table'||tag=='tbody'||tag=='tr'){return insertIntoTable(tag,where,el,html);}
switch(where){case'beforebegin':el.insertAdjacentHTML(where,html);return el.previousSibling;case'afterbegin':el.insertAdjacentHTML(where,html);return el.firstChild;case'beforeend':el.insertAdjacentHTML(where,html);return el.lastChild;case'afterend':el.insertAdjacentHTML(where,html);return el.nextSibling;}
throw'Illegal insertion point -> "'+where+'"';}
var range=el.ownerDocument.createRange();var frag;switch(where){case'beforebegin':range.setStartBefore(el);frag=range.createContextualFragment(html);el.parentNode.insertBefore(frag,el);return el.previousSibling;case'afterbegin':if(el.firstChild){range.setStartBefore(el.firstChild);}else{range.selectNodeContents(el);range.collapse(true);}
frag=range.createContextualFragment(html);el.insertBefore(frag,el.firstChild);return el.firstChild;case'beforeend':if(el.lastChild){range.setStartAfter(el.lastChild);}else{range.selectNodeContents(el);range.collapse(false);}
frag=range.createContextualFragment(html);el.appendChild(frag);return el.lastChild;case'afterend':range.setStartAfter(el);frag=range.createContextualFragment(html);el.parentNode.insertBefore(frag,el.nextSibling);return el.nextSibling;}
throw'Illegal insertion point -> "'+where+'"';};this.insertBefore=function(el,o,returnElement){el=YAHOO.util.Dom.get(el);var newNode;if(this.useDom){newNode=createDom(o,null);el.parentNode.insertBefore(newNode,el);}else{var html=createHtml(o);newNode=this.insertHtml('beforeBegin',el,html);}
return returnElement?YAHOO.ext.Element.get(newNode,true):newNode;};this.insertAfter=function(el,o,returnElement){el=YAHOO.util.Dom.get(el);var newNode;if(this.useDom){newNode=createDom(o,null);el.parentNode.insertBefore(newNode,el.nextSibling);}else{var html=createHtml(o);newNode=this.insertHtml('afterEnd',el,html);}
return returnElement?YAHOO.ext.Element.get(newNode,true):newNode;};this.append=function(el,o,returnElement){el=YAHOO.util.Dom.get(el);var newNode;if(this.useDom){newNode=createDom(o,null);el.appendChild(newNode);}else{var html=createHtml(o);newNode=this.insertHtml('beforeEnd',el,html);}
return returnElement?YAHOO.ext.Element.get(newNode,true):newNode;};this.overwrite=function(el,o,returnElement){el=YAHOO.util.Dom.get(el);el.innerHTML=createHtml(o);return returnElement?YAHOO.ext.Element.get(el.firstChild,true):el.firstChild;};this.createTemplate=function(o){var html=createHtml(o);return new YAHOO.ext.DomHelper.Template(html);};}();YAHOO.ext.DomHelper.Template=function(html){this.html=html;};YAHOO.ext.DomHelper.Template.prototype={applyTemplate:function(values){if(this.compiled){return this.compiled(values);}
var empty='';var fn=function(match,index){if(typeof values[index]!='undefined'){return values[index];}else{return empty;}}
return this.html.replace(this.re,fn);},re:/\{(\w+)\}/g,compile : function(){