| /* |
| Copyright (c) 2004-2009, 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["dojox.data.ClientFilter"]){ |
| dojo._hasResource["dojox.data.ClientFilter"]=true; |
| dojo.provide("dojox.data.ClientFilter"); |
| dojo.require("dojo.data.util.filter"); |
| (function(){ |
| var cf; |
| var _2=function(_3,_4,_5){ |
| return function(_6){ |
| _3._updates.push({create:_4&&_6,remove:_5&&_6}); |
| cf.onUpdate(); |
| }; |
| }; |
| cf=dojo.declare("dojox.data.ClientFilter",null,{constructor:function(){ |
| this.onSet=_2(this,true,true); |
| this.onNew=_2(this,true,false); |
| this.onDelete=_2(this,false,true); |
| this._updates=[]; |
| this._fetchCache=[]; |
| },updateResultSet:function(_7,_8){ |
| if(this.isUpdateable(_8)){ |
| for(var i=_8._version||0;i<this._updates.length;i++){ |
| var _a=this._updates[i].create; |
| var _b=this._updates[i].remove; |
| if(_b){ |
| for(var j=0;j<_7.length;j++){ |
| if(_7[j]==_b){ |
| _7.splice(j--,1); |
| var _d=true; |
| } |
| } |
| } |
| if(_a&&this.matchesQuery(_a,_8)&&dojo.indexOf(_7,_a)==-1){ |
| _7.push(_a); |
| _d=true; |
| } |
| } |
| if(_8.sort&&_d){ |
| _7.sort(this.makeComparator(_8.sort.concat())); |
| } |
| if(_8.count&&_d){ |
| _7.splice(_8.count,_7.length); |
| } |
| _8._version=this._updates.length; |
| return _d?2:1; |
| } |
| return 0; |
| },querySuperSet:function(_e,_f){ |
| if(_e.query==_f.query){ |
| return {}; |
| } |
| if(!(_f.query instanceof Object&&(!_e.query||typeof _e.query=="object"))){ |
| return false; |
| } |
| var _10=dojo.mixin({},_f.query); |
| for(var i in _e.query){ |
| if(_10[i]==_e.query[i]){ |
| delete _10[i]; |
| }else{ |
| if(!(typeof _e.query[i]=="string"&&dojo.data.util.filter.patternToRegExp(_e.query[i]).test(_10[i]))){ |
| return false; |
| } |
| } |
| } |
| return _10; |
| },serverVersion:0,cachingFetch:function(_12){ |
| var _13=this; |
| for(var i=0;i<this._fetchCache.length;i++){ |
| var _15=this._fetchCache[i]; |
| var _16=this.querySuperSet(_15,_12); |
| if(_16!==false){ |
| var _17=_15._loading; |
| if(!_17){ |
| _17=new dojo.Deferred(); |
| _17.callback(_15.cacheResults); |
| } |
| _17.addCallback(function(_18){ |
| _18=_13.clientSideFetch({query:_16,sort:_12.sort,start:_12.start,count:_12.count},_18); |
| _17.fullLength=_18._fullLength; |
| return _18; |
| }); |
| } |
| } |
| if(!_17){ |
| var _19=dojo.mixin({},_12); |
| var _1a=(_12.queryOptions||0).cache; |
| if(_1a===undefined?this.cacheByDefault:_1a){ |
| if(_12.start||_12.count){ |
| delete _19.start; |
| delete _19.count; |
| _12.clientQuery=dojo.mixin(_12.clientQuery||{},{start:_12.start,count:_12.count}); |
| } |
| _12=_19; |
| this._fetchCache.push(_12); |
| } |
| _17=_12._loading=this._doQuery(_12); |
| } |
| var _1b=this.serverVersion; |
| _17.addCallback(function(_1c){ |
| delete _12._loading; |
| if(_1c){ |
| _12._version=_1b; |
| _13.updateResultSet(_1c,_12); |
| _12.cacheResults=_1c; |
| } |
| return _1c; |
| }); |
| return _17; |
| },isUpdateable:function(_1d){ |
| return typeof _1d.query=="object"; |
| },clientSideFetch:function(_1e,_1f){ |
| if(_1e.query){ |
| var _20=[]; |
| for(var i=0;i<_1f.length;i++){ |
| var _22=_1f[i]; |
| if(_22&&this.matchesQuery(_22,_1e)){ |
| _20.push(_1f[i]); |
| } |
| } |
| }else{ |
| _20=_1e.sort?_1f.concat():_1f; |
| } |
| if(_1e.sort){ |
| _20.sort(this.makeComparator(_1e.sort.concat())); |
| } |
| return this.clientSidePaging(_1e,_20); |
| },clientSidePaging:function(_23,_24){ |
| var _25=_23.start||0; |
| var _26=(_25||_23.count)?_24.slice(_25,_25+(_23.count||_24.length)):_24; |
| _26._fullLength=_24.length; |
| return _26; |
| },matchesQuery:function(_27,_28){ |
| var _29=_28.query; |
| var _2a=_28.queryOptions&&_28.queryOptions.ignoreCase; |
| for(var i in _29){ |
| var _2c=_29[i]; |
| var _2d=this.getValue(_27,i); |
| if((typeof _2c=="string"&&(_2c.match(/[\*\.]/)||_2a))?!dojo.data.util.filter.patternToRegExp(_2c,_2a).test(_2d):_2d!=_2c){ |
| return false; |
| } |
| } |
| return true; |
| },makeComparator:function(_2e){ |
| var _2f=_2e.shift(); |
| if(!_2f){ |
| return function(){ |
| }; |
| } |
| var _30=_2f.attribute; |
| var _31=!!_2f.descending; |
| var _32=this.makeComparator(_2e); |
| var _33=this; |
| return function(a,b){ |
| var av=_33.getValue(a,_30); |
| var bv=_33.getValue(b,_30); |
| if(av!=bv){ |
| return av<bv==_31?1:-1; |
| } |
| return _32(a,b); |
| }; |
| }}); |
| cf.onUpdate=function(){ |
| }; |
| })(); |
| } |
