root / trunk / web / dojo / dojox / data / ServiceStore.js @ 9
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.data.ServiceStore"]){ |
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| 9 | dojo._hasResource["dojox.data.ServiceStore"]=true; |
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| 10 | dojo.provide("dojox.data.ServiceStore");
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| 11 | dojo.declare("dojox.data.ServiceStore",dojox.data.ClientFilter||null,{service:null,constructor:function(_1){ |
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| 12 | this.byId=this.fetchItemByIdentity; |
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| 13 | this._index={};
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| 14 | if(_1){
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| 15 | dojo.mixin(this,_1);
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| 16 | } |
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| 17 | this.idAttribute=(_1&&_1.idAttribute)||(this.schema&&this.schema._idAttr); |
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| 18 | },schema:null,idAttribute:"id",labelAttribute:"label",syncMode:false,estimateCountFactor:1,getSchema:function(){ |
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| 19 | return this.schema; |
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| 20 | },loadLazyValues:true,getValue:function(_2,_3,_4){ |
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| 21 | var _5=_2[_3];
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| 22 | return _5||(_3 in _2?_5:_2._loadObject?(dojox.rpc._sync=true)&&arguments.callee.call(this,dojox.data.ServiceStore.prototype.loadItem({item:_2})||{},_3,_4):_4); |
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| 23 | },getValues:function(_6,_7){ |
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| 24 | var _8=this.getValue(_6,_7); |
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| 25 | if(_8 instanceof Array){ |
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| 26 | return _8;
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| 27 | } |
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| 28 | if(!this.isItemLoaded(_8)){ |
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| 29 | dojox.rpc._sync=true;
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| 30 | _8=this.loadItem({item:_8}); |
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| 31 | } |
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| 32 | return _8 instanceof Array?_8:_8===undefined?[]:[_8]; |
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| 33 | },getAttributes:function(_9){ |
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| 34 | var _a=[];
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| 35 | for(var i in _9){ |
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| 36 | if(_9.hasOwnProperty(i)&&!(i.charAt(0)=="_"&&i.charAt(1)=="_")){ |
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| 37 | _a.push(i); |
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| 38 | } |
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| 39 | } |
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| 40 | return _a;
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| 41 | },hasAttribute:function(_b,_c){ |
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| 42 | return _c in _b; |
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| 43 | },containsValue:function(_d,_e,_f){ |
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| 44 | return dojo.indexOf(this.getValues(_d,_e),_f)>-1; |
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| 45 | },isItem:function(_10){ |
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| 46 | return (typeof _10=="object")&&_10&&!(_10 instanceof Date); |
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| 47 | },isItemLoaded:function(_11){ |
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| 48 | return _11&&!_11._loadObject;
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| 49 | },loadItem:function(_12){ |
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| 50 | var _13;
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| 51 | if(_12.item._loadObject){
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| 52 | _12.item._loadObject(function(_14){
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| 53 | _13=_14; |
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| 54 | delete _13._loadObject;
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| 55 | var _15=_14 instanceof Error?_12.onError:_12.onItem; |
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| 56 | if(_15){
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| 57 | _15.call(_12.scope,_14); |
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| 58 | } |
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| 59 | }); |
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| 60 | }else{
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| 61 | if(_12.onItem){
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| 62 | _12.onItem.call(_12.scope,_12.item); |
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| 63 | } |
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| 64 | } |
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| 65 | return _13;
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| 66 | },_currentId:0,_processResults:function(_16,_17){ |
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| 67 | if(_16&&typeof _16=="object"){ |
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| 68 | var id=_16.__id;
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| 69 | if(!id){
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| 70 | if(this.idAttribute){ |
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| 71 | id=_16[this.idAttribute];
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| 72 | }else{
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| 73 | id=this._currentId++;
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| 74 | } |
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| 75 | if(id!==undefined){ |
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| 76 | var _18=this._index[id]; |
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| 77 | if(_18){
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| 78 | for(var j in _18){ |
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| 79 | delete _18[j];
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| 80 | } |
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| 81 | _16=dojo.mixin(_18,_16); |
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| 82 | } |
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| 83 | _16.__id=id; |
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| 84 | this._index[id]=_16;
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| 85 | } |
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| 86 | } |
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| 87 | for(var i in _16){ |
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| 88 | _16[i]=this._processResults(_16[i],_17).items;
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| 89 | } |
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| 90 | var _19=_16.length;
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| 91 | } |
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| 92 | return {totalCount:_17.request.count==_19?(_17.request.start||0)+_19*this.estimateCountFactor:_19,items:_16}; |
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| 93 | },close:function(_1a){ |
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| 94 | return _1a&&_1a.abort&&_1a.abort();
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| 95 | },fetch:function(_1b){ |
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| 96 | _1b=_1b||{};
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| 97 | if("syncMode" in _1b?_1b.syncMode:this.syncMode){ |
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| 98 | dojox.rpc._sync=true;
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| 99 | } |
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| 100 | var _1c=this; |
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| 101 | var _1d=_1b.scope||_1c;
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| 102 | var _1e=this.cachingFetch?this.cachingFetch(_1b):this._doQuery(_1b); |
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| 103 | _1e.request=_1b; |
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| 104 | _1e.addCallback(function(_1f){
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| 105 | if(_1b.clientFetch){
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| 106 | _1f=_1c.clientSideFetch({query:_1b.clientFetch,sort:_1b.sort,start:_1b.start,count:_1b.count},_1f);
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| 107 | } |
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| 108 | var _20=_1c._processResults(_1f,_1e);
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| 109 | _1f=_1b.results=_20.items; |
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| 110 | if(_1b.onBegin){
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| 111 | _1b.onBegin.call(_1d,_20.totalCount,_1b); |
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| 112 | } |
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| 113 | if(_1b.onItem){
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| 114 | for(var i=0;i<_1f.length;i++){ |
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| 115 | _1b.onItem.call(_1d,_1f[i],_1b); |
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| 116 | } |
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| 117 | } |
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| 118 | if(_1b.onComplete){
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| 119 | _1b.onComplete.call(_1d,_1b.onItem?null:_1f,_1b);
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| 120 | } |
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| 121 | return _1f;
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| 122 | }); |
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| 123 | _1e.addErrback(_1b.onError&&function(err){
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| 124 | return _1b.onError.call(_1d,err,_1b);
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| 125 | }); |
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| 126 | _1b.abort=function(){ |
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| 127 | _1e.cancel(); |
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| 128 | }; |
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| 129 | _1b.store=this;
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| 130 | return _1b;
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| 131 | },_doQuery:function(_21){ |
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| 132 | var _22=typeof _21.queryStr=="string"?_21.queryStr:_21.query; |
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| 133 | return this.service(_22); |
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| 134 | },getFeatures:function(){ |
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| 135 | return {"dojo.data.api.Read":true,"dojo.data.api.Identity":true,"dojo.data.api.Schema":this.schema}; |
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| 136 | },getLabel:function(_23){ |
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| 137 | return this.getValue(_23,this.labelAttribute); |
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| 138 | },getLabelAttributes:function(_24){ |
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| 139 | return [this.labelAttribute]; |
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| 140 | },getIdentity:function(_25){ |
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| 141 | return _25.__id;
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| 142 | },getIdentityAttributes:function(_26){ |
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| 143 | return [this.idAttribute]; |
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| 144 | },fetchItemByIdentity:function(_27){ |
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| 145 | var _28=this._index[(_27._prefix||"")+_27.identity]; |
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| 146 | if(_28){
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| 147 | if(_28._loadObject){
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| 148 | _27.item=_28; |
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| 149 | return this.loadItem(_27); |
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| 150 | }else{
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| 151 | if(_27.onItem){
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| 152 | _27.onItem.call(_27.scope,_28); |
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| 153 | } |
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| 154 | } |
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| 155 | }else{
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| 156 | return this.fetch({query:_27.identity,onComplete:_27.onItem,onError:_27.onError,scope:_27.scope}).results; |
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| 157 | } |
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| 158 | return _28;
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| 159 | }}); |
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| 160 | } |