www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/build/core/DomHelper-min.js

    /*
 * Ext JS Library 2.0.2
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.DomHelper=function(){var L=null;var F=/^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i;var B=/^table|tbody|tr|td$/i;var A=function(T){if(typeof T=="string"){return T}var O="";if(Ext.isArray(T)){for(var R=0,P=T.length;R<P;R++){O+=A(T[R])}return O}if(!T.tag){T.tag="div"}O+="<"+T.tag;for(var N in T){if(N=="tag"||N=="children"||N=="cn"||N=="html"||typeof T[N]=="function"){continue}if(N=="style"){var S=T["style"];if(typeof S=="function"){S=S.call()}if(typeof S=="string"){O+=" style=\""+S+"\""}else{if(typeof S=="object"){O+=" style=\"";for(var Q in S){if(typeof S[Q]!="function"){O+=Q+":"+S[Q]+";"}}O+="\""}}}else{if(N=="cls"){O+=" class=\""+T["cls"]+"\""}else{if(N=="htmlFor"){O+=" for=\""+T["htmlFor"]+"\""}else{O+=" "+N+"=\""+T[N]+"\""}}}}if(F.test(T.tag)){O+="/>"}else{O+=">";var U=T.children||T.cn;if(U){O+=A(U)}else{if(T.html){O+=T.html}}O+="</"+T.tag+">"}return O};var M=function(T,O){var S;if(Ext.isArray(T)){S=document.createDocumentFragment();for(var R=0,P=T.length;R<P;R++){M(T[R],S)}}else{if(typeof T=="string)"){S=document.createTextNode(T)}else{S=document.createElement(T.tag||"div");var Q=!!S.setAttribute;for(var N in T){if(N=="tag"||N=="children"||N=="cn"||N=="html"||N=="style"||typeof T[N]=="function"){continue}if(N=="cls"){S.className=T["cls"]}else{if(Q){S.setAttribute(N,T[N])}else{S[N]=T[N]}}}Ext.DomHelper.applyStyles(S,T.style);var U=T.children||T.cn;if(U){M(U,S)}else{if(T.html){S.innerHTML=T.html}}}}if(O){O.appendChild(S)}return S};var I=function(S,Q,P,R){L.innerHTML=[Q,P,R].join("");var N=-1,O=L;while(++N<S){O=O.firstChild}return O};var J="<table>",E="</table>",C=J+"<tbody>",K="</tbody>"+E,H=C+"<tr>",D="</tr>"+K;var G=function(N,O,Q,P){if(!L){L=document.createElement("div")}var R;var S=null;if(N=="td"){if(O=="afterbegin"||O=="beforeend"){return }if(O=="beforebegin"){S=Q;Q=Q.parentNode}else{S=Q.nextSibling;Q=Q.parentNode}R=I(4,H,P,D)}else{if(N=="tr"){if(O=="beforebegin"){S=Q;Q=Q.parentNode;R=I(3,C,P,K)}else{if(O=="afterend"){S=Q.nextSibling;Q=Q.parentNode;R=I(3,C,P,K)}else{if(O=="afterbegin"){S=Q.firstChild}R=I(4,H,P,D)}}}else{if(N=="tbody"){if(O=="beforebegin"){S=Q;Q=Q.parentNode;R=I(2,J,P,E)}else{if(O=="afterend"){S=Q.nextSibling;Q=Q.parentNode;R=I(2,J,P,E)}else{if(O=="afterbegin"){S=Q.firstChild}R=I(3,C,P,K)}}}else{if(O=="beforebegin"||O=="afterend"){return }if(O=="afterbegin"){S=Q.firstChild}R=I(2,J,P,E)}}}Q.insertBefore(R,S);return R};return{useDom:false,markup:function(N){return A(N)},applyStyles:function(P,Q){if(Q){P=Ext.fly(P);if(typeof Q=="string"){var O=/\s?([a-z\-]*)\:\s?([^;]*);?/gi;var R;while((R=O.exec(Q))!=null){P.setStyle(R[1],R[2])}}else{if(typeof Q=="object"){for(var N in Q){P.setStyle(N,Q[N])}}else{if(typeof Q=="function"){Ext.DomHelper.applyStyles(P,Q.call())}}}}},insertHtml:function(P,R,Q){P=P.toLowerCase();if(R.insertAdjacentHTML){if(B.test(R.tagName)){var O;if(O=G(R.tagName.toLowerCase(),P,R,Q)){return O}}switch(P){case"beforebegin":R.insertAdjacentHTML("BeforeBegin",Q);return R.previousSibling;case"afterbegin":R.insertAdjacentHTML("AfterBegin",Q);return R.firstChild;case"beforeend":R.insertAdjacentHTML("BeforeEnd",Q);return R.lastChild;case"afterend":R.insertAdjacentHTML("AfterEnd",Q);return R.nextSibling}throw"Illegal insertion point -> \""+P+"\""}var N=R.ownerDocument.createRange();var S;switch(P){case"beforebegin":N.setStartBefore(R);S=N.createContextualFragment(Q);R.parentNode.insertBefore(S,R);return R.previousSibling;case"afterbegin":if(R.firstChild){N.setStartBefore(R.firstChild);S=N.createContextualFragment(Q);R.insertBefore(S,R.firstChild);return R.firstChild}else{R.innerHTML=Q;return R.firstChild}case"beforeend":if(R.lastChild){N.setStartAfter(R.lastChild);S=N.createContextualFragment(Q);R.appendChild(S);return R.lastChild}else{R.innerHTML=Q;return R.lastChild}case"afterend":N.setStartAfter(R);S=N.createContextualFragment(Q);R.parentNode.insertBefore(S,R.nextSibling);return R.nextSibling}throw"Illegal insertion point -> \""+P+"\""},insertBefore:function(N,P,O){return this.doInsert(N,P,O,"beforeBegin")},insertAfter:function(N,P,O){return this.doInsert(N,P,O,"afterEnd","nextSibling")},insertFirst:function(N,P,O){return this.doInsert(N,P,O,"afterBegin","firstChild")},doInsert:function(Q,S,R,T,P){Q=Ext.getDom(Q);var O;if(this.useDom){O=M(S,null);(P==="firstChild"?Q:Q.parentNode).insertBefore(O,P?Q[P]:Q)}else{var N=A(S);O=this.insertHtml(T,Q,N)}return R?Ext.get(O,true):O},append:function(P,R,Q){P=Ext.getDom(P);var O;if(this.useDom){O=M(R,null);P.appendChild(O)}else{var N=A(R);O=this.insertHtml("beforeEnd",P,N)}return Q?Ext.get(O,true):O},overwrite:function(N,P,O){N=Ext.getDom(N);N.innerHTML=A(P);return O?Ext.get(N.firstChild,true):N.firstChild},createTemplate:function(O){var N=A(O);return new Ext.Template(N)}}}();