dojo.js

Ajax 一个动态树的源码

if(_21b.type.toLowerCase()=="image"&&_21b.form==_210&&_212(_21b)){
var name=enc(_21b.name);
_214.push(name+"="+enc(_21b.value));
_214.push(name+".x=0");
_214.push(name+".y=0");
}
}
return _214.join("&")+"&";
};
dojo.io.FormBind=function(args){
this.bindArgs={};
if(args&&args.formNode){
this.init(args);
}else{
if(args){
this.init({formNode:args});
}
}
};
dojo.lang.extend(dojo.io.FormBind,{form:null,bindArgs:null,clickedButton:null,init:function(args){
var form=dojo.byId(args.formNode);
if(!form||!form.tagName||form.tagName.toLowerCase()!="form"){
throw new Error("FormBind: Couldn't apply, invalid form");
}else{
if(this.form==form){
return;
}else{
if(this.form){
throw new Error("FormBind: Already applied to a form");
}
}
}
dojo.lang.mixin(this.bindArgs,args);
this.form=form;
this.connect(form,"onsubmit","submit");
for(var i=0;i<form.elements.length;i++){
var node=form.elements[i];
if(node&&node.type&&dojo.lang.inArray(node.type.toLowerCase(),["submit","button"])){
this.connect(node,"onclick","click");
}
}
var _221=form.getElementsByTagName("input");
for(var i=0;i<_221.length;i++){
var _222=_221[i];
if(_222.type.toLowerCase()=="image"&&_222.form==form){
this.connect(_222,"onclick","click");
}
}
},onSubmit:function(form){
return true;
},submit:function(e){
e.preventDefault();
if(this.onSubmit(this.form)){
dojo.io.bind(dojo.lang.mixin(this.bindArgs,{formFilter:dojo.lang.hitch(this,"formFilter")}));
}
},click:function(e){
var node=e.currentTarget;
if(node.disabled){
return;
}
this.clickedButton=node;
},formFilter:function(node){
var type=(node.type||"").toLowerCase();
var _229=false;
if(node.disabled||!node.name){
_229=false;
}else{
if(dojo.lang.inArray(type,["submit","button","image"])){
if(!this.clickedButton){
this.clickedButton=node;
}
_229=node==this.clickedButton;
}else{
_229=!dojo.lang.inArray(type,["file","submit","reset","button"]);
}
}
return _229;
},connect:function(_22a,_22b,_22c){
if(dojo.evalObjPath("dojo.event.connect")){
dojo.event.connect(_22a,_22b,this,_22c);
}else{
var fcn=dojo.lang.hitch(this,_22c);
_22a[_22b]=function(e){
if(!e){
e=window.event;
}
if(!e.currentTarget){
e.currentTarget=e.srcElement;
}
if(!e.preventDefault){
e.preventDefault=function(){
window.event.returnValue=false;
};
}
fcn(e);
};
}
}});
dojo.io.XMLHTTPTransport=new function(){
var _22f=this;
var _230={};
this.useCache=false;
this.preventCache=false;
function getCacheKey(url,_232,_233){
return url+"|"+_232+"|"+_233.toLowerCase();
}
function addToCache(url,_235,_236,http){
_230[getCacheKey(url,_235,_236)]=http;
}
function getFromCache(url,_239,_23a){
return _230[getCacheKey(url,_239,_23a)];
}
this.clearCache=function(){
_230={};
};
function doLoad(_23b,http,url,_23e,_23f){
if(((http.status>=200)&&(http.status<300))||(http.status==304)||(location.protocol=="file:"&&(http.status==0||http.status==undefined))||(location.protocol=="chrome:"&&(http.status==0||http.status==undefined))){
var ret;
if(_23b.method.toLowerCase()=="head"){
var _241=http.getAllResponseHeaders();
ret={};
ret.toString=function(){
return _241;
};
var _242=_241.split(/[\r\n]+/g);
for(var i=0;i<_242.length;i++){
var pair=_242[i].match(/^([^:]+)\s*:\s*(.+)$/i);
if(pair){
ret[pair[1]]=pair[2];
}
}
}else{
if(_23b.mimetype=="text/javascript"){
try{
ret=dj_eval(http.responseText);
}
catch(e){
dojo.debug(e);
dojo.debug(http.responseText);
ret=null;
}
}else{
if(_23b.mimetype=="text/json"){
try{
ret=dj_eval("("+http.responseText+")");
}
catch(e){
dojo.debug(e);
dojo.debug(http.responseText);
ret=false;
}
}else{
if((_23b.mimetype=="application/xml")||(_23b.mimetype=="text/xml")){
ret=http.responseXML;
if(!ret||typeof ret=="string"||!http.getResponseHeader("Content-Type")){
ret=dojo.dom.createDocumentFromText(http.responseText);
}
}else{
ret=http.responseText;
}
}
}
}
if(_23f){
addToCache(url,_23e,_23b.method,http);
}
_23b[(typeof _23b.load=="function")?"load":"handle"]("load",ret,http,_23b);
}else{
var _245=new dojo.io.Error("XMLHttpTransport Error: "+http.status+" "+http.statusText);
_23b[(typeof _23b.error=="function")?"error":"handle"]("error",_245,http,_23b);
}
}
function setHeaders(http,_247){
if(_247["headers"]){
for(var _248 in _247["headers"]){
if(_248.toLowerCase()=="content-type"&&!_247["contentType"]){
_247["contentType"]=_247["headers"][_248];
}else{
http.setRequestHeader(_248,_247["headers"][_248]);
}
}
}
}
this.inFlight=[];
this.inFlightTimer=null;
this.startWatchingInFlight=function(){
if(!this.inFlightTimer){
this.inFlightTimer=setInterval("dojo.io.XMLHTTPTransport.watchInFlight();",10);
}
};
this.watchInFlight=function(){
var now=null;
for(var x=this.inFlight.length-1;x>=0;x--){
var tif=this.inFlight[x];
if(!tif){
this.inFlight.splice(x,1);
continue;
}
if(4==tif.http.readyState){
this.inFlight.splice(x,1);
doLoad(tif.req,tif.http,tif.url,tif.query,tif.useCache);
}else{
if(tif.startTime){
if(!now){
now=(new Date()).getTime();
}
if(tif.startTime+(tif.req.timeoutSeconds*1000)<now){
if(typeof tif.http.abort=="function"){
tif.http.abort();
}
this.inFlight.splice(x,1);
tif.req[(typeof tif.req.timeout=="function")?"timeout":"handle"]("timeout",null,tif.http,tif.req);
}
}
}
}
if(this.inFlight.length==0){
clearInterval(this.inFlightTimer);
this.inFlightTimer=null;
}
};
var _24c=dojo.hostenv.getXmlhttpObject()?true:false;
this.canHandle=function(_24d){
return _24c&&dojo.lang.inArray((_24d["mimetype"].toLowerCase()||""),["text/plain","text/html","application/xml","text/xml","text/javascript","text/json"])&&!(_24d["formNode"]&&dojo.io.formHasFile(_24d["formNode"]));
};
this.multipartBoundary="45309FFF-BD65-4d50-99C9-36986896A96F";
this.bind=function(_24e){
if(!_24e["url"]){
if(!_24e["formNode"]&&(_24e["backButton"]||_24e["back"]||_24e["changeUrl"]||_24e["watchForURL"])&&(!djConfig.preventBackButtonFix)){
dojo.deprecated("Using dojo.io.XMLHTTPTransport.bind() to add to browser history without doing an IO request","Use dojo.undo.browser.addToHistory() instead.","0.4");
dojo.undo.browser.addToHistory(_24e);
return true;
}
}
var url=_24e.url;
var _250="";
if(_24e["formNode"]){
var ta=_24e.formNode.getAttribute("action");
if((ta)&&(!_24e["url"])){
url=ta;
}
var tp=_24e.formNode.getAttribute("method");
if((tp)&&(!_24e["method"])){
_24e.method=tp;
}
_250+=dojo.io.encodeForm(_24e.formNode,_24e.encoding,_24e["formFilter"]);
}
if(url.indexOf("#")>-1){
dojo.debug("Warning: dojo.io.bind: stripping hash values from url:",url);
url=url.split("#")[0];
}
if(_24e["file"]){
_24e.method="post";
}
if(!_24e["method"]){
_24e.method="get";
}
if(_24e.method.toLowerCase()=="get"){
_24e.multipart=false;
}else{
if(_24e["file"]){
_24e.multipart=true;
}else{
if(!_24e["multipart"]){
_24e.multipart=false;
}
}
}
if(_24e["backButton"]||_24e["back"]||_24e["changeUrl"]){
dojo.undo.browser.addToHistory(_24e);
}
var _253=_24e["content"]||{};
if(_24e.sendTransport){
_253["dojo.transport"]="xmlhttp";
}
do{
if(_24e.postContent){
_250=_24e.postContent;
break;
}
if(_253){
_250+=dojo.io.argsFromMap(_253,_24e.encoding);
}
if(_24e.method.toLowerCase()=="get"||!_24e.multipart){
break;
}
var t=[];
if(_250.length){
var q=_250.split("&");
for(var i=0;i<q.length;++i){
if(q[i].length){
var p=q[i].split("=");
t.push("--"+this.multipartBoundary,"Content-Disposition: form-data; name=\""+p[0]+"\"","",p[1]);
}
}
}
if(_24e.file){
if(dojo.lang.isArray(_24e.file)){
for(var i=0;i<_24e.file.length;++i){
var o=_24e.file[i];
t.push("--"+this.multipartBoundary,"Content-Disposition: form-data; name=\""+o.name+"\"; filename=\""+("fileName" in o?o.fileName:o.name)+"\"","Content-Type: "+("contentType" in o?o.contentType:"application/octet-stream"),"",o.content);
}
}else{
var o=_24e.file;
t.push("--"+this.multipartBoundary,"Content-Disposition: form-data; name=\""+o.name+"\"; filename=\""+("fileName" in o?o.fileName:o.name)+"\"","Content-Type: "+("contentType" in o?o.contentType:"application/octet-stream"),"",o.content);
}
}
if(t.length){
t.push("--"+this.multipartBoundary+"--","");
_250=t.join("\r\n");
}
}while(false);
var _259=_24e["sync"]?false:true;
var _25a=_24e["preventCache"]||(this.preventCache==true&&_24e["preventCache"]!=false);
var _25b=_24e["useCache"]==true||(this.useCache==true&&_24e["useCache"]!=false);
if(!_25a&&_25b){
var _25c=getFromCache(url,_250,_24e.method);
if(_25c){
doLoad(_24e,_25c,url,_250,false);
return;
}
}
var http=dojo.hostenv.getXmlhttpObject(_24e);
var _25e=false;
if(_259){
var _25f=this.inFlight.push({"req":_24e,"http":http,"url":url,"query":_250,"useCache":_25b,"startTime":_24e.timeoutSeconds?(new Date()).getTime():0});
this.startWatchingInFlight();
}
if(_24e.method.toLowerCase()=="post"){
http.open("POST",url,_259);
setHeaders(http,_24e);
http.setRequestHeader("Content-Type",_24e.multipart?("multipart/form-data; boundary="+this.multipartBoundary):(_24e.contentType||"application/x-www-form-urlencoded"));
try{
http.send(_250);
}
catch(e){
if(typeof http.abort=="function"){
http.abort();
}
doLoad(_24e,{status:404},url,_250,_25b);
}
}else{
var _260=url;
if(_250!=""){
_260+=(_260.indexOf("?")>-1?"&":"?")+_250;
}
if(_25a){
_260+=(dojo.string.endsWithAny(_260,"?","&")?"":(_260.indexOf("?")>-1?"&":"?"))+"dojo.preventCache="+new Date().valueOf();
}
http.open(_24e.method.toUpperCase(),_260,_259);
setHeaders(http,_24e);
try{
http.send(null);
}
catch(e){
if(typeof http.abort=="function"){
http.abort();
}
doLoad(_24e,{status:404},url,_250,_25b);
}
}
if(!_259){
doLoad(_24e,http,url,_250,_25b);
}
_24e.abort=function(){
return http.abort();
};
return;
};
dojo.io.transports.addTransport("XMLHTTPTransport");
};
dojo.provide("dojo.event");
dojo.require("dojo.lang.array");
dojo.require("dojo.lang.extras");
dojo.require("dojo.lang.func");
dojo.event=new function(){
this.canTimeout=dojo.lang.isFunction(dj_global["setTimeout"])||dojo.lang.isAlien(dj_global["setTimeout"]);
function interpolateArgs(args,_262){
var dl=dojo.lang;
var ao={srcObj:dj_global,srcFunc:null,adviceObj:dj_global,adviceFunc:null,aroundObj:null,aroundFunc:null,adviceType:(args.length>2)?args[0]:"after",precedence:"last",once:false,delay:null,rate:0,adviceMsg:false};
switch(args.length){
case 0:
return;
case 1:
return;
case 2:
ao.srcFunc=args[0];
ao.adviceFunc=args[1];
break;
case 3:
if((dl.isObject(args[0]))&&(dl.isString(args[1]))&&(dl.isString(args[2]))){
ao.adviceType="after";
ao.srcObj=args[0];
ao.srcFunc=args[1];
ao.adviceFunc=args[2];
}else{
if((dl.isString(args[1]))&&(dl.isString(args[2]))){
ao.srcFunc=args[1];
ao.adviceFunc=args[2];
}else{
if((dl.isObject(args[0]))&&(dl.isString(args[1]))&&(dl.isFunction(args[2]))){
ao.adviceType="after";
ao.srcObj=args[0];
ao.srcFunc=args[1];
var _265=dl.nameAnonFunc(args[2],ao.adviceObj,_262);
ao.adviceFunc=_265;
}else{
if((dl.isFunction(args[0]))&&(dl.isObject(args[1]))&&(dl.isString(args[2]))){
ao.adviceType="after";
ao.srcObj=dj_global;
var _265=dl.nameAnonFunc(args[0],ao.srcObj,_262);
ao.srcFunc=_265;
ao.adviceObj=args[1];
ao.adviceFunc=args[2];
}
}
}
}
break;
case 4:
if((dl.isObject(args[0]))&&(dl.isObject(args[2]))){
ao.adviceType="after";
ao.srcObj=args[0];
ao.srcFunc=args[1];
ao.adviceObj=args[2];
ao.adviceFunc=args[3];
}else{
if((dl.isString(args[0]))&&(dl.isString(args[1]))&&(dl.isObject(args[2]))){
ao.adviceType=args[0];
ao.srcObj=dj_global;
ao.srcFunc=args[1];
ao.adviceObj=args[2];
ao.adviceFunc=args[3];
}else{
if((dl.isString(args[0]))&&(dl.isFunction(args[1]))&&(dl.isObject(args[2]))){
ao.adviceType=args[0];
ao.srcObj=dj_global;
var _265=dl.nameAnonFunc(args[1],dj_global,_262);
ao.srcFunc=_265;
ao.adviceObj=args[2];
ao.adviceFunc=args[3];
}else{
if((dl.isString(args[0]))&&(dl.isObject(args[1]))&&(dl.isString(args[2]))&&(dl.isFunction(args[3]))){
ao.srcObj=args[1];
ao.srcFunc=args[2];
var _265=dl.nameAnonFunc(args[3],dj_global,_262);
ao.adviceObj=dj_global;
ao.adviceFunc=_265;
}else{
if(dl.isObject(args[1])){
ao.srcObj=args[1];
ao.srcFunc=args[2];
ao.adviceObj=dj_global;
ao.adviceFunc=args[3];
}else{
if(dl.isObject(args[2])){
ao.srcObj=dj_global;
ao.srcFunc=args[1];
ao.adviceObj=args[2];
ao.adviceFunc=args[3];
}else{
ao.srcObj=ao.adviceObj=ao.aroundObj=dj_global;
ao.srcFunc=args[1];
ao.adviceFunc=args[2];
ao.aroundFunc=args[3];
}
}
}
}
}
}
break;
case 6:
ao.srcObj=args[1];
ao.srcFunc=args[2];
ao.adviceObj=args[3];
ao.adviceFunc=args[4];
ao.aroundFunc=args[5];
ao.aroundObj=dj_global;
break;
default:
ao.srcObj=args[1];
ao.srcFunc=args[2];
ao.adviceObj=args[3];
ao.adviceFunc=args[4];
ao.aroundObj=args[5];
ao.aroundFunc=args[6];
ao.once=args[7];
ao.delay=args[8];
ao.rate=args[9];
ao.adviceMsg=args[10];
break;
}
if(dl.isFunction(ao.aroundFunc)){
var _265=dl.nameAnonFunc(ao.aroundFunc,ao.aroundObj,_262);
ao.aroundFunc=_265;
}
if(dl.isFunction(ao.srcFunc)){
ao.srcFunc=dl.getNameInObj(ao.srcObj,ao.srcFunc);
}
if(dl.isFunction(ao.adviceFunc)){
ao.adviceFunc=dl.getNameInObj(ao.adviceObj,ao.adviceFunc);
}
if((ao.aroundObj)&&(dl.isFunction(ao.aroundFunc))){
ao.aroundFunc=dl.getNameInObj(ao.aroundObj,ao.aroundFunc);
}
if(!ao.srcObj){
dojo.raise("bad srcObj for srcFunc: "+ao.srcFunc);
}
if(!ao.adviceObj){
dojo.raise("bad adviceObj for adviceFunc: "+ao.adviceFunc);
}
return ao;
}
this.connect=function(){
if(arguments.length==1){
var ao=arguments[0];
}else{
var ao=interpolateArgs(arguments,true);
}
if(dojo.lang.isArray(ao.srcObj)&&ao.srcObj!=""){
var _267={};
for(var x in ao){
_267[x]=ao[x];
}
var mjps=[];
dojo.lang.forEach(ao.srcObj,function(src){
if((dojo.render.html.capable)&&(dojo.lang.isString(src))){
src=dojo.byId(src);
}
_267.srcObj=src;
mjps.push(dojo.event.connect.call(dojo.event,_267));
});
return mjps;
}
var mjp=dojo.event.MethodJoinPoint.getForMethod(ao.srcObj,ao.srcFunc);
if(ao.adviceFunc){
var mjp2=dojo.event.MethodJoinPoint.getForMethod(ao.adviceObj,ao.adviceFunc);
}
mjp.kwAddAdvice(ao);
return mjp;
};
this.log=function(a1,a2){
var _26f;
if((arguments.length==1)&&(typeof a1=="object")){
_26f=a1;
}else{
_26f={srcObj:a1,srcFunc:a2};
}
_26f.adviceFunc=function(){
var _270=[];
for(var x=0;x<arguments.length;x++){
_270.push(arguments[x]);
}
dojo.debug("("+_26f.srcObj+")."+_26f.srcFunc,":",_270.join(", "));
};
this.kwConnect(_26f);
};
this.connectBefore=function(){
var args=["before"];
for(var i=0;i<arguments.length;i++){
args.push(arguments[i]);
}
return this.connect.apply(this,args);
};
this.connectAround=function(){
var args=["around"];
for(var i=0;i<arguments.length;i+