deferredlist.js

用最近的dojo1.2.1制作前端的ajax购书网站

/*
	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojo.DeferredList"]){
dojo._hasResource["dojo.DeferredList"]=true;
dojo.provide("dojo.DeferredList");
dojo.declare("dojo.DeferredList",dojo.Deferred,{constructor:function(_1,_2,_3,_4,_5){
this.list=_1;
this.resultList=new Array(this.list.length);
this.chain=[];
this.id=this._nextId();
this.fired=-1;
this.paused=0;
this.results=[null,null];
this.canceller=_5;
this.silentlyCancelled=false;
if(this.list.length===0&&!_2){
this.callback(this.resultList);
}
this.finishedCount=0;
this.fireOnOneCallback=_2;
this.fireOnOneErrback=_3;
this.consumeErrors=_4;
dojo.forEach(this.list,function(d,_7){
d.addCallback(this,function(r){
this._cbDeferred(_7,true,r);
return r;
});
d.addErrback(this,function(r){
this._cbDeferred(_7,false,r);
return r;
});
},this);
},_cbDeferred:function(_a,_b,_c){
this.resultList[_a]=[_b,_c];
this.finishedCount+=1;
if(this.fired!==0){
if(_b&&this.fireOnOneCallback){
this.callback([_a,_c]);
}else{
if(!_b&&this.fireOnOneErrback){
this.errback(_c);
}else{
if(this.finishedCount==this.list.length){
this.callback(this.resultList);
}
}
}
}
if(!_b&&this.consumeErrors){
_c=null;
}
return _c;
},gatherResults:function(_d){
var d=new dojo.DeferredList(_d,false,true,false);
d.addCallback(function(_f){
var ret=[];
dojo.forEach(_f,function(_11){
ret.push(_11[1]);
});
return ret;
});
return d;
}});
}