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root / trunk / web / dojo / dojox / data / util / JsonQuery.js @ 12

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.data.util.JsonQuery"]){
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dojo._hasResource["dojox.data.util.JsonQuery"]=true;
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dojo.provide("dojox.data.util.JsonQuery");
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dojo.declare("dojox.data.util.JsonQuery",null,{useFullIdInQueries:false,_toJsonQuery:function(_1,_2){
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var _3=true;
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var _4=this;
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function _5(_6,_7){
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var _8=_7.__id;
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if(_8){
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var _9={};
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_9[_4.idAttribute]=_4.useFullIdInQueries?_7.__id:_7[_4.idAttribute];
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_7=_9;
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}
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for(var i in _7){
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var _a=_7[i];
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var _b=_6+(/^[a-zA-Z_][\w_]*$/.test(i)?"."+i:"["+dojo._escapeString(i)+"]");
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if(_a&&typeof _a=="object"){
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_5(_b,_a);
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}else{
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if(_a!="*"){
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_c+=(_3?"":"&")+_b+((!_8&&typeof _a=="string"&&_1.queryOptions&&_1.queryOptions.ignoreCase)?"~":"=")+(_4.simplifiedQuery?encodeURIComponent(_a):dojo.toJson(_a));
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_3=false;
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}
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}
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}
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};
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if(_1.query&&typeof _1.query=="object"){
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var _c="[?(";
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_5("@",_1.query);
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if(!_3){
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_c+=")]";
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}else{
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_c="";
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}
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_1.queryStr=_c.replace(/\\"|"/g,function(t){
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return t=="\""?"'":t;
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});
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}else{
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if(!_1.query||_1.query=="*"){
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_1.query="";
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}
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}
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var _d=_1.sort;
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if(_d){
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_1.queryStr=_1.queryStr||(typeof _1.query=="string"?_1.query:"");
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_3=true;
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for(i=0;i<_d.length;i++){
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_1.queryStr+=(_3?"[":",")+(_d[i].descending?"\\":"/")+"@["+dojo._escapeString(_d[i].attribute)+"]";
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_3=false;
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}
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}
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if(_2&&(_1.start||_1.count)){
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_1.queryStr=(_1.queryStr||(typeof _1.query=="string"?_1.query:""))+"["+(_1.start||"")+":"+(_1.count?(_1.start||0)+_1.count:"")+"]";
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}
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if(typeof _1.queryStr=="string"){
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_1.queryStr=_1.queryStr.replace(/\\"|"/g,function(t){
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return t=="\""?"'":t;
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});
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return _1.queryStr;
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}
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return _1.query;
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},jsonQueryPagination:true,fetch:function(_e){
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this._toJsonQuery(_e,this.jsonQueryPagination);
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return this.inherited(arguments);
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},isUpdateable:function(){
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return true;
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},matchesQuery:function(_f,_10){
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_10._jsonQuery=_10._jsonQuery||dojox.json.query(this._toJsonQuery(_10));
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return _10._jsonQuery([_f]).length;
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},clientSideFetch:function(_11,_12){
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_11._jsonQuery=_11._jsonQuery||dojox.json.query(this._toJsonQuery(_11));
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return this.clientSidePaging(_11,_11._jsonQuery(_12));
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},querySuperSet:function(_13,_14){
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if(!_13.query){
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return _14.query;
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}
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return this.inherited(arguments);
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}});
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}