dojo.js

Ajax 一个动态树的源码

return "dojo:"+_1a1[x].substr(5).toLowerCase();
}
}
}
}
}
return _19e.toLowerCase();
};
dojo.dom.getUniqueId=function(){
do{
var id="dj_unique_"+(++arguments.callee._idIncrement);
}while(document.getElementById(id));
return id;
};
dojo.dom.getUniqueId._idIncrement=0;
dojo.dom.firstElement=dojo.dom.getFirstChildElement=function(_1a4,_1a5){
var node=_1a4.firstChild;
while(node&&node.nodeType!=dojo.dom.ELEMENT_NODE){
node=node.nextSibling;
}
if(_1a5&&node&&node.tagName&&node.tagName.toLowerCase()!=_1a5.toLowerCase()){
node=dojo.dom.nextElement(node,_1a5);
}
return node;
};
dojo.dom.lastElement=dojo.dom.getLastChildElement=function(_1a7,_1a8){
var node=_1a7.lastChild;
while(node&&node.nodeType!=dojo.dom.ELEMENT_NODE){
node=node.previousSibling;
}
if(_1a8&&node&&node.tagName&&node.tagName.toLowerCase()!=_1a8.toLowerCase()){
node=dojo.dom.prevElement(node,_1a8);
}
return node;
};
dojo.dom.nextElement=dojo.dom.getNextSiblingElement=function(node,_1ab){
if(!node){
return null;
}
do{
node=node.nextSibling;
}while(node&&node.nodeType!=dojo.dom.ELEMENT_NODE);
if(node&&_1ab&&_1ab.toLowerCase()!=node.tagName.toLowerCase()){
return dojo.dom.nextElement(node,_1ab);
}
return node;
};
dojo.dom.prevElement=dojo.dom.getPreviousSiblingElement=function(node,_1ad){
if(!node){
return null;
}
if(_1ad){
_1ad=_1ad.toLowerCase();
}
do{
node=node.previousSibling;
}while(node&&node.nodeType!=dojo.dom.ELEMENT_NODE);
if(node&&_1ad&&_1ad.toLowerCase()!=node.tagName.toLowerCase()){
return dojo.dom.prevElement(node,_1ad);
}
return node;
};
dojo.dom.moveChildren=function(_1ae,_1af,trim){
var _1b1=0;
if(trim){
while(_1ae.hasChildNodes()&&_1ae.firstChild.nodeType==dojo.dom.TEXT_NODE){
_1ae.removeChild(_1ae.firstChild);
}
while(_1ae.hasChildNodes()&&_1ae.lastChild.nodeType==dojo.dom.TEXT_NODE){
_1ae.removeChild(_1ae.lastChild);
}
}
while(_1ae.hasChildNodes()){
_1af.appendChild(_1ae.firstChild);
_1b1++;
}
return _1b1;
};
dojo.dom.copyChildren=function(_1b2,_1b3,trim){
var _1b5=_1b2.cloneNode(true);
return this.moveChildren(_1b5,_1b3,trim);
};
dojo.dom.removeChildren=function(node){
var _1b7=node.childNodes.length;
while(node.hasChildNodes()){
node.removeChild(node.firstChild);
}
return _1b7;
};
dojo.dom.replaceChildren=function(node,_1b9){
dojo.dom.removeChildren(node);
node.appendChild(_1b9);
};
dojo.dom.removeNode=function(node){
if(node&&node.parentNode){
return node.parentNode.removeChild(node);
}
};
dojo.dom.getAncestors=function(node,_1bc,_1bd){
var _1be=[];
var _1bf=dojo.lang.isFunction(_1bc);
while(node){
if(!_1bf||_1bc(node)){
_1be.push(node);
}
if(_1bd&&_1be.length>0){
return _1be[0];
}
node=node.parentNode;
}
if(_1bd){
return null;
}
return _1be;
};
dojo.dom.getAncestorsByTag=function(node,tag,_1c2){
tag=tag.toLowerCase();
return dojo.dom.getAncestors(node,function(el){
return ((el.tagName)&&(el.tagName.toLowerCase()==tag));
},_1c2);
};
dojo.dom.getFirstAncestorByTag=function(node,tag){
return dojo.dom.getAncestorsByTag(node,tag,true);
};
dojo.dom.isDescendantOf=function(node,_1c7,_1c8){
if(_1c8&&node){
node=node.parentNode;
}
while(node){
if(node==_1c7){
return true;
}
node=node.parentNode;
}
return false;
};
dojo.dom.innerXML=function(node){
if(node.innerXML){
return node.innerXML;
}else{
if(node.xml){
return node.xml;
}else{
if(typeof XMLSerializer!="undefined"){
return (new XMLSerializer()).serializeToString(node);
}
}
}
};
dojo.dom.createDocument=function(){
var doc=null;
if(!dj_undef("ActiveXObject")){
var _1cb=["MSXML2","Microsoft","MSXML","MSXML3"];
for(var i=0;i<_1cb.length;i++){
try{
doc=new ActiveXObject(_1cb[i]+".XMLDOM");
}
catch(e){
}
if(doc){
break;
}
}
}else{
if((document.implementation)&&(document.implementation.createDocument)){
doc=document.implementation.createDocument("","",null);
}
}
return doc;
};
dojo.dom.createDocumentFromText=function(str,_1ce){
if(!_1ce){
_1ce="text/xml";
}
if(!dj_undef("DOMParser")){
var _1cf=new DOMParser();
return _1cf.parseFromString(str,_1ce);
}else{
if(!dj_undef("ActiveXObject")){
var _1d0=dojo.dom.createDocument();
if(_1d0){
_1d0.async=false;
_1d0.loadXML(str);
return _1d0;
}else{
dojo.debug("toXml didn't work?");
}
}else{
if(document.createElement){
var tmp=document.createElement("xml");
tmp.innerHTML=str;
if(document.implementation&&document.implementation.createDocument){
var _1d2=document.implementation.createDocument("foo","",null);
for(var i=0;i<tmp.childNodes.length;i++){
_1d2.importNode(tmp.childNodes.item(i),true);
}
return _1d2;
}
return ((tmp.document)&&(tmp.document.firstChild?tmp.document.firstChild:tmp));
}
}
}
return null;
};
dojo.dom.prependChild=function(node,_1d5){
if(_1d5.firstChild){
_1d5.insertBefore(node,_1d5.firstChild);
}else{
_1d5.appendChild(node);
}
return true;
};
dojo.dom.insertBefore=function(node,ref,_1d8){
if(_1d8!=true&&(node===ref||node.nextSibling===ref)){
return false;
}
var _1d9=ref.parentNode;
_1d9.insertBefore(node,ref);
return true;
};
dojo.dom.insertAfter=function(node,ref,_1dc){
var pn=ref.parentNode;
if(ref==pn.lastChild){
if((_1dc!=true)&&(node===ref)){
return false;
}
pn.appendChild(node);
}else{
return this.insertBefore(node,ref.nextSibling,_1dc);
}
return true;
};
dojo.dom.insertAtPosition=function(node,ref,_1e0){
if((!node)||(!ref)||(!_1e0)){
return false;
}
switch(_1e0.toLowerCase()){
case "before":
return dojo.dom.insertBefore(node,ref);
case "after":
return dojo.dom.insertAfter(node,ref);
case "first":
if(ref.firstChild){
return dojo.dom.insertBefore(node,ref.firstChild);
}else{
ref.appendChild(node);
return true;
}
break;
default:
ref.appendChild(node);
return true;
}
};
dojo.dom.insertAtIndex=function(node,_1e2,_1e3){
var _1e4=_1e2.childNodes;
if(!_1e4.length){
_1e2.appendChild(node);
return true;
}
var _1e5=null;
for(var i=0;i<_1e4.length;i++){
var _1e7=_1e4.item(i)["getAttribute"]?parseInt(_1e4.item(i).getAttribute("dojoinsertionindex")):-1;
if(_1e7<_1e3){
_1e5=_1e4.item(i);
}
}
if(_1e5){
return dojo.dom.insertAfter(node,_1e5);
}else{
return dojo.dom.insertBefore(node,_1e4.item(0));
}
};
dojo.dom.textContent=function(node,text){
if(text){
dojo.dom.replaceChildren(node,document.createTextNode(text));
return text;
}else{
var _1ea="";
if(node==null){
return _1ea;
}
for(var i=0;i<node.childNodes.length;i++){
switch(node.childNodes[i].nodeType){
case 1:
case 5:
_1ea+=dojo.dom.textContent(node.childNodes[i]);
break;
case 3:
case 2:
case 4:
_1ea+=node.childNodes[i].nodeValue;
break;
default:
break;
}
}
return _1ea;
}
};
dojo.dom.collectionToArray=function(_1ec){
dojo.deprecated("dojo.dom.collectionToArray","use dojo.lang.toArray instead","0.4");
return dojo.lang.toArray(_1ec);
};
dojo.dom.hasParent=function(node){
return node&&node.parentNode&&dojo.dom.isNode(node.parentNode);
};
dojo.dom.isTag=function(node){
if(node&&node.tagName){
var arr=dojo.lang.toArray(arguments,1);
return arr[dojo.lang.find(node.tagName,arr)]||"";
}
return "";
};
dojo.provide("dojo.undo.browser");
dojo.require("dojo.io");
try{
if((!djConfig["preventBackButtonFix"])&&(!dojo.hostenv.post_load_)){
document.write("<iframe style='border: 0px; width: 1px; height: 1px; position: absolute; bottom: 0px; right: 0px; visibility: visible;' name='djhistory' id='djhistory' src='"+(dojo.hostenv.getBaseScriptUri()+"iframe_history.html")+"'></iframe>");
}
}
catch(e){
}
if(dojo.render.html.opera){
dojo.debug("Opera is not supported with dojo.undo.browser, so back/forward detection will not work.");
}
dojo.undo.browser={initialHref:window.location.href,initialHash:window.location.hash,moveForward:false,historyStack:[],forwardStack:[],historyIframe:null,bookmarkAnchor:null,locationTimer:null,setInitialState:function(args){
this.initialState={"url":this.initialHref,"kwArgs":args,"urlHash":this.initialHash};
},addToHistory:function(args){
var hash=null;
if(!this.historyIframe){
this.historyIframe=window.frames["djhistory"];
}
if(!this.bookmarkAnchor){
this.bookmarkAnchor=document.createElement("a");
(document.body||document.getElementsByTagName("body")[0]).appendChild(this.bookmarkAnchor);
this.bookmarkAnchor.style.display="none";
}
if((!args["changeUrl"])||(dojo.render.html.ie)){
var url=dojo.hostenv.getBaseScriptUri()+"iframe_history.html?"+(new Date()).getTime();
this.moveForward=true;
dojo.io.setIFrameSrc(this.historyIframe,url,false);
}
if(args["changeUrl"]){
this.changingUrl=true;
hash="#"+((args["changeUrl"]!==true)?args["changeUrl"]:(new Date()).getTime());
setTimeout("window.location.href = '"+hash+"'; dojo.undo.browser.changingUrl = false;",1);
this.bookmarkAnchor.href=hash;
if(dojo.render.html.ie){
var _1f4=args["back"]||args["backButton"]||args["handle"];
var tcb=function(_1f6){
if(window.location.hash!=""){
setTimeout("window.location.href = '"+hash+"';",1);
}
_1f4.apply(this,[_1f6]);
};
if(args["back"]){
args.back=tcb;
}else{
if(args["backButton"]){
args.backButton=tcb;
}else{
if(args["handle"]){
args.handle=tcb;
}
}
}
this.forwardStack=[];
var _1f7=args["forward"]||args["forwardButton"]||args["handle"];
var tfw=function(_1f9){
if(window.location.hash!=""){
window.location.href=hash;
}
if(_1f7){
_1f7.apply(this,[_1f9]);
}
};
if(args["forward"]){
args.forward=tfw;
}else{
if(args["forwardButton"]){
args.forwardButton=tfw;
}else{
if(args["handle"]){
args.handle=tfw;
}
}
}
}else{
if(dojo.render.html.moz){
if(!this.locationTimer){
this.locationTimer=setInterval("dojo.undo.browser.checkLocation();",200);
}
}
}
}
this.historyStack.push({"url":url,"kwArgs":args,"urlHash":hash});
},checkLocation:function(){
if(!this.changingUrl){
var hsl=this.historyStack.length;
if((window.location.hash==this.initialHash||window.location.href==this.initialHref)&&(hsl==1)){
this.handleBackButton();
return;
}
if(this.forwardStack.length>0){
if(this.forwardStack[this.forwardStack.length-1].urlHash==window.location.hash){
this.handleForwardButton();
return;
}
}
if((hsl>=2)&&(this.historyStack[hsl-2])){
if(this.historyStack[hsl-2].urlHash==window.location.hash){
this.handleBackButton();
return;
}
}
}
},iframeLoaded:function(evt,_1fc){
if(!dojo.render.html.opera){
var _1fd=this._getUrlQuery(_1fc.href);
if(_1fd==null){
if(this.historyStack.length==1){
this.handleBackButton();
}
return;
}
if(this.moveForward){
this.moveForward=false;
return;
}
if(this.historyStack.length>=2&&_1fd==this._getUrlQuery(this.historyStack[this.historyStack.length-2].url)){
this.handleBackButton();
}else{
if(this.forwardStack.length>0&&_1fd==this._getUrlQuery(this.forwardStack[this.forwardStack.length-1].url)){
this.handleForwardButton();
}
}
}
},handleBackButton:function(){
var _1fe=this.historyStack.pop();
if(!_1fe){
return;
}
var last=this.historyStack[this.historyStack.length-1];
if(!last&&this.historyStack.length==0){
last=this.initialState;
}
if(last){
if(last.kwArgs["back"]){
last.kwArgs["back"]();
}else{
if(last.kwArgs["backButton"]){
last.kwArgs["backButton"]();
}else{
if(last.kwArgs["handle"]){
last.kwArgs.handle("back");
}
}
}
}
this.forwardStack.push(_1fe);
},handleForwardButton:function(){
var last=this.forwardStack.pop();
if(!last){
return;
}
if(last.kwArgs["forward"]){
last.kwArgs.forward();
}else{
if(last.kwArgs["forwardButton"]){
last.kwArgs.forwardButton();
}else{
if(last.kwArgs["handle"]){
last.kwArgs.handle("forward");
}
}
}
this.historyStack.push(last);
},_getUrlQuery:function(url){
var _202=url.split("?");
if(_202.length<2){
return null;
}else{
return _202[1];
}
}};
dojo.provide("dojo.io.BrowserIO");
dojo.require("dojo.io");
dojo.require("dojo.lang.array");
dojo.require("dojo.lang.func");
dojo.require("dojo.string.extras");
dojo.require("dojo.dom");
dojo.require("dojo.undo.browser");
dojo.io.checkChildrenForFile=function(node){
var _204=false;
var _205=node.getElementsByTagName("input");
dojo.lang.forEach(_205,function(_206){
if(_204){
return;
}
if(_206.getAttribute("type")=="file"){
_204=true;
}
});
return _204;
};
dojo.io.formHasFile=function(_207){
return dojo.io.checkChildrenForFile(_207);
};
dojo.io.updateNode=function(node,_209){
node=dojo.byId(node);
var args=_209;
if(dojo.lang.isString(_209)){
args={url:_209};
}
args.mimetype="text/html";
args.load=function(t,d,e){
while(node.firstChild){
if(dojo["event"]){
try{
dojo.event.browser.clean(node.firstChild);
}
catch(e){
}
}
node.removeChild(node.firstChild);
}
node.innerHTML=d;
};
dojo.io.bind(args);
};
dojo.io.formFilter=function(node){
var type=(node.type||"").toLowerCase();
return !node.disabled&&node.name&&!dojo.lang.inArray(type,["file","submit","image","reset","button"]);
};
dojo.io.encodeForm=function(_210,_211,_212){
if((!_210)||(!_210.tagName)||(!_210.tagName.toLowerCase()=="form")){
dojo.raise("Attempted to encode a non-form element.");
}
if(!_212){
_212=dojo.io.formFilter;
}
var enc=/utf/i.test(_211||"")?encodeURIComponent:dojo.string.encodeAscii;
var _214=[];
for(var i=0;i<_210.elements.length;i++){
var elm=_210.elements[i];
if(!elm||elm.tagName.toLowerCase()=="fieldset"||!_212(elm)){
continue;
}
var name=enc(elm.name);
var type=elm.type.toLowerCase();
if(type=="select-multiple"){
for(var j=0;j<elm.options.length;j++){
if(elm.options[j].selected){
_214.push(name+"="+enc(elm.options[j].value));
}
}
}else{
if(dojo.lang.inArray(type,["radio","checkbox"])){
if(elm.checked){
_214.push(name+"="+enc(elm.value));
}
}else{
_214.push(name+"="+enc(elm.value));
}
}
}
var _21a=_210.getElementsByTagName("input");
for(var i=0;i<_21a.length;i++){
var _21b=_21a[i];