| /* |
| 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 _1=function(_2,_3,_4){ |
| return function(_5){ |
| _2._updates.push({create:_3&&_5,remove:_4&&_5}); |
| cf.onUpdate(); |
| }; |
| }; |
| cf=dojo.declare("dojox.data.ClientFilter",null,{cacheByDefault:false,constructor:function(){ |
| this.onSet=_1(this,true,true); |
| this.onNew=_1(this,true,false); |
| this.onDelete=_1(this,false,true); |
| this._updates=[]; |
| this._fetchCache=[]; |
| },clearCache:function(){ |
| this._fetchCache=[]; |
| },updateResultSet:function(_6,_7){ |
| if(this.isUpdateable(_7)){ |
| for(var i=_7._version||0;i<this._updates.length;i++){ |
| var _8=this._updates[i].create; |
| var _9=this._updates[i].remove; |
| if(_9){ |
| for(var j=0;j<_6.length;j++){ |
| if(_6[j]==_9){ |
| _6.splice(j--,1); |
| var _a=true; |
| } |
| } |
| } |
| if(_8&&this.matchesQuery(_8,_7)&&dojo.indexOf(_6,_8)==-1){ |
| _6.push(_8); |
| _a=true; |
| } |
| } |
| if(_7.sort&&_a){ |
| _6.sort(this.makeComparator(_7.sort.concat())); |
| } |
| _6._fullLength=_6.length; |
| if(_7.count&&_a&&_7.count!==Infinity){ |
| _6.splice(_7.count,_6.length); |
| } |
| _7._version=this._updates.length; |
| return _a?2:1; |
| } |
| return 0; |
| },querySuperSet:function(_b,_c){ |
| if(_b.query==_c.query){ |
| return {}; |
| } |
| if(!(_c.query instanceof Object&&(!_b.query||typeof _b.query=="object"))){ |
| return false; |
| } |
| var _d=dojo.mixin({},_c.query); |
| for(var i in _b.query){ |
| if(_d[i]==_b.query[i]){ |
| delete _d[i]; |
| }else{ |
| if(!(typeof _b.query[i]=="string"&&dojo.data.util.filter.patternToRegExp(_b.query[i]).test(_d[i]))){ |
| return false; |
| } |
| } |
| } |
| return _d; |
| },serverVersion:0,cachingFetch:function(_e){ |
| var _f=this; |
| for(var i=0;i<this._fetchCache.length;i++){ |
| var _10=this._fetchCache[i]; |
| var _11=this.querySuperSet(_10,_e); |
| if(_11!==false){ |
| var _12=_10._loading; |
| if(!_12){ |
| _12=new dojo.Deferred(); |
| _12.callback(_10.cacheResults); |
| } |
| _12.addCallback(function(_13){ |
| _13=_f.clientSideFetch(dojo.mixin(dojo.mixin({},_e),{query:_11}),_13); |
| _12.fullLength=_13._fullLength; |
| return _13; |
| }); |
| _e._version=_10._version; |
| break; |
| } |
| } |
| if(!_12){ |
| var _14=dojo.mixin({},_e); |
| var _15=(_e.queryOptions||0).cache; |
| var _16=this._fetchCache; |
| if(_15===undefined?this.cacheByDefault:_15){ |
| if(_e.start||_e.count){ |
| delete _14.start; |
| delete _14.count; |
| _e.clientQuery=dojo.mixin(_e.clientQuery||{},{start:_e.start,count:_e.count}); |
| } |
| _e=_14; |
| _16.push(_e); |
| } |
| _12=_e._loading=this._doQuery(_e); |
| _12.addErrback(function(){ |
| _16.splice(dojo.indexOf(_16,_e),1); |
| }); |
| } |
| var _17=this.serverVersion; |
| _12.addCallback(function(_18){ |
| delete _e._loading; |
| if(_18){ |
| _e._version=typeof _e._version=="number"?_e._version:_17; |
| _f.updateResultSet(_18,_e); |
| _e.cacheResults=_18; |
| if(!_e.count||_18.length<_e.count){ |
| _12.fullLength=((_e.start)?_e.start:0)+_18.length; |
| } |
| } |
| return _18; |
| }); |
| return _12; |
| },isUpdateable:function(_19){ |
| return typeof _19.query=="object"; |
| },clientSideFetch:function(_1a,_1b){ |
| if(_1a.queryOptions&&_1a.queryOptions.results){ |
| _1b=_1a.queryOptions.results; |
| } |
| if(_1a.query){ |
| var _1c=[]; |
| for(var i=0;i<_1b.length;i++){ |
| var _1d=_1b[i]; |
| if(_1d&&this.matchesQuery(_1d,_1a)){ |
| _1c.push(_1b[i]); |
| } |
| } |
| }else{ |
| _1c=_1a.sort?_1b.concat():_1b; |
| } |
| if(_1a.sort){ |
| _1c.sort(this.makeComparator(_1a.sort.concat())); |
| } |
| return this.clientSidePaging(_1a,_1c); |
| },clientSidePaging:function(_1e,_1f){ |
| var _20=_1e.start||0; |
| var _21=(_20||_1e.count)?_1f.slice(_20,_20+(_1e.count||_1f.length)):_1f; |
| _21._fullLength=_1f.length; |
| return _21; |
| },matchesQuery:function(_22,_23){ |
| var _24=_23.query; |
| var _25=_23.queryOptions&&_23.queryOptions.ignoreCase; |
| for(var i in _24){ |
| var _26=_24[i]; |
| var _27=this.getValue(_22,i); |
| if((typeof _26=="string"&&(_26.match(/[\*\.]/)||_25))?!dojo.data.util.filter.patternToRegExp(_26,_25).test(_27):_27!=_26){ |
| return false; |
| } |
| } |
| return true; |
| },makeComparator:function(_28){ |
| var _29=_28.shift(); |
| if(!_29){ |
| return function(){ |
| return 0; |
| }; |
| } |
| var _2a=_29.attribute; |
| var _2b=!!_29.descending; |
| var _2c=this.makeComparator(_28); |
| var _2d=this; |
| return function(a,b){ |
| var av=_2d.getValue(a,_2a); |
| var bv=_2d.getValue(b,_2a); |
| if(av!=bv){ |
| return av<bv==_2b?1:-1; |
| } |
| return _2c(a,b); |
| }; |
| }}); |
| cf.onUpdate=function(){ |
| }; |
| })(); |
| } |
