jsonreader-min.js

ext-2.3.0

/*
 * Ext JS Library 2.3.0
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * [e-mail]
 * 
 * http://extjs.com/license
 */


Ext.data.JsonReader=function(meta,recordType){meta=meta||{};Ext.data.JsonReader.superclass.constructor.call(this,meta,recordType||meta.fields);};Ext.extend(Ext.data.JsonReader,Ext.data.DataReader,{read:function(response){var json=response.responseText;var o=eval("("+json+")");if(!o){throw{message:"JsonReader.read: Json object not found"};}
return this.readRecords(o);},onMetaChange:function(meta,recordType,o){},simpleAccess:function(obj,subsc){return obj[subsc];},getJsonAccessor:function(){var re=/[\[\.]/;return function(expr){try{return(re.test(expr))?new Function("obj","return obj."+expr):function(obj){return obj[expr];};}catch(e){}
return Ext.emptyFn;};}(),readRecords:function(o){this.jsonData=o;if(o.metaData){delete this.ef;this.meta=o.metaData;this.recordType=Ext.data.Record.create(o.metaData.fields);this.onMetaChange(this.meta,this.recordType,o);}
var s=this.meta,Record=this.recordType,f=Record.prototype.fields,fi=f.items,fl=f.length;if(!this.ef){if(s.totalProperty){this.getTotal=this.getJsonAccessor(s.totalProperty);}
if(s.successProperty){this.getSuccess=this.getJsonAccessor(s.successProperty);}
this.getRoot=s.root?this.getJsonAccessor(s.root):function(p){return p;};if(s.id){var g=this.getJsonAccessor(s.id);this.getId=function(rec){var r=g(rec);return(r===undefined||r==="")?null:r;};}else{this.getId=function(){return null;};}
this.ef=[];for(var i=0;i<fl;i++){f=fi[i];var map=(f.mapping!==undefined&&f.mapping!==null)?f.mapping:f.name;this.ef[i]=this.getJsonAccessor(map);}}
var root=this.getRoot(o),c=root.length,totalRecords=c,success=true;if(s.totalProperty){var v=parseInt(this.getTotal(o),10);if(!isNaN(v)){totalRecords=v;}}
if(s.successProperty){var v=this.getSuccess(o);if(v===false||v==='false'){success=false;}}
var records=[];for(var i=0;i<c;i++){var n=root[i];var values={};var id=this.getId(n);for(var j=0;j<fl;j++){f=fi[j];var v=this.ef[j](n);values[f.name]=f.convert((v!==undefined)?v:f.defaultValue,n);}
var record=new Record(values,id);record.json=n;records[i]=record;}
return{success:success,records:records,totalRecords:totalRecords};}});