ServiceStore.js 3.9 KB

12345678
  1. /*
  2. Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
  3. Available via Academic Free License >= 2.1 OR the modified BSD license.
  4. see: http://dojotoolkit.org/license for details
  5. */
  6. if(!dojo._hasResource["dojox.data.ServiceStore"]){dojo._hasResource["dojox.data.ServiceStore"]=true;dojo.provide("dojox.data.ServiceStore");dojo.declare("dojox.data.ServiceStore",dojox.data.ClientFilter,{service:null,constructor:function(_1){this.byId=this.fetchItemByIdentity;this._index={};if(_1){dojo.mixin(this,_1);}this.idAttribute=(_1&&_1.idAttribute)||(this.schema&&this.schema._idAttr);this.labelAttribute=this.labelAttribute||"label";},schema:null,idAttribute:"id",syncMode:false,estimateCountFactor:1,getSchema:function(){return this.schema;},loadLazyValues:true,getValue:function(_2,_3,_4){var _5=_2[_3];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);},getValues:function(_6,_7){var _8=this.getValue(_6,_7);return _8 instanceof Array?_8:_8===undefined?[]:[_8];},getAttributes:function(_9){var _a=[];for(var i in _9){if(_9.hasOwnProperty(i)&&!(i.charAt(0)=="_"&&i.charAt(1)=="_")){_a.push(i);}}return _a;},hasAttribute:function(_b,_c){return _c in _b;},containsValue:function(_d,_e,_f){return dojo.indexOf(this.getValues(_d,_e),_f)>-1;},isItem:function(_10){return (typeof _10=="object")&&_10&&!(_10 instanceof Date);},isItemLoaded:function(_11){return _11&&!_11._loadObject;},loadItem:function(_12){var _13;if(_12.item._loadObject){_12.item._loadObject(function(_14){_13=_14;delete _13._loadObject;var _15=_14 instanceof Error?_12.onError:_12.onItem;if(_15){_15.call(_12.scope,_14);}});}else{if(_12.onItem){_12.onItem.call(_12.scope,_12.item);}}return _13;},_currentId:0,_processResults:function(_16,_17){if(_16&&typeof _16=="object"){var id=_16.__id;if(!id){if(this.idAttribute){id=_16[this.idAttribute];}else{id=this._currentId++;}if(id!==undefined){var _18=this._index[id];if(_18){for(var j in _18){delete _18[j];}_16=dojo.mixin(_18,_16);}_16.__id=id;this._index[id]=_16;}}for(var i in _16){_16[i]=this._processResults(_16[i],_17).items;}var _19=_16.length;}return {totalCount:_17.request.count==_19?(_17.request.start||0)+_19*this.estimateCountFactor:_19,items:_16};},close:function(_1a){return _1a&&_1a.abort&&_1a.abort();},fetch:function(_1b){_1b=_1b||{};if("syncMode" in _1b?_1b.syncMode:this.syncMode){dojox.rpc._sync=true;}var _1c=this;var _1d=_1b.scope||_1c;var _1e=this.cachingFetch?this.cachingFetch(_1b):this._doQuery(_1b);_1e.request=_1b;_1e.addCallback(function(_1f){if(_1b.clientFetch){_1f=_1c.clientSideFetch({query:_1b.clientFetch,sort:_1b.sort,start:_1b.start,count:_1b.count},_1f);}var _20=_1c._processResults(_1f,_1e);_1f=_1b.results=_20.items;if(_1b.onBegin){_1b.onBegin.call(_1d,_20.totalCount,_1b);}if(_1b.onItem){for(var i=0;i<_1f.length;i++){_1b.onItem.call(_1d,_1f[i],_1b);}}if(_1b.onComplete){_1b.onComplete.call(_1d,_1b.onItem?null:_1f,_1b);}return _1f;});_1e.addErrback(_1b.onError&&function(err){return _1b.onError.call(_1d,err,_1b);});_1b.abort=function(){_1e.cancel();};_1b.store=this;return _1b;},_doQuery:function(_21){var _22=typeof _21.queryStr=="string"?_21.queryStr:_21.query;return this.service(_22);},getFeatures:function(){return {"dojo.data.api.Read":true,"dojo.data.api.Identity":true,"dojo.data.api.Schema":this.schema};},getLabel:function(_23){return this.getValue(_23,this.labelAttribute);},getLabelAttributes:function(_24){return [this.labelAttribute];},getIdentity:function(_25){return _25.__id;},getIdentityAttributes:function(_26){return [this.idAttribute];},fetchItemByIdentity:function(_27){var _28=this._index[(_27._prefix||"")+_27.identity];if(_28){if(_28._loadObject){_27.item=_28;return this.loadItem(_27);}else{if(_27.onItem){_27.onItem.call(_27.scope,_28);}}}else{return this.fetch({query:_27.identity,onComplete:_27.onItem,onError:_27.onError,scope:_27.scope}).results;}return _28;}});}