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563 lines
13 KiB
JavaScript
563 lines
13 KiB
JavaScript
/*
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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["dojo.data.ItemFileReadStore"]){
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dojo._hasResource["dojo.data.ItemFileReadStore"]=true;
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dojo.provide("dojo.data.ItemFileReadStore");
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dojo.require("dojo.data.util.filter");
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dojo.require("dojo.data.util.simpleFetch");
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dojo.require("dojo.date.stamp");
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dojo.declare("dojo.data.ItemFileReadStore",null,{constructor:function(_1){
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this._arrayOfAllItems=[];
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this._arrayOfTopLevelItems=[];
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this._loadFinished=false;
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this._jsonFileUrl=_1.url;
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this._ccUrl=_1.url;
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this.url=_1.url;
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this._jsonData=_1.data;
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this.data=null;
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this._datatypeMap=_1.typeMap||{};
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if(!this._datatypeMap["Date"]){
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this._datatypeMap["Date"]={type:Date,deserialize:function(_2){
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return dojo.date.stamp.fromISOString(_2);
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}};
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}
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this._features={"dojo.data.api.Read":true,"dojo.data.api.Identity":true};
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this._itemsByIdentity=null;
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this._storeRefPropName="_S";
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this._itemNumPropName="_0";
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this._rootItemPropName="_RI";
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this._reverseRefMap="_RRM";
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this._loadInProgress=false;
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this._queuedFetches=[];
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if(_1.urlPreventCache!==undefined){
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this.urlPreventCache=_1.urlPreventCache?true:false;
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}
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if(_1.hierarchical!==undefined){
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this.hierarchical=_1.hierarchical?true:false;
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}
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if(_1.clearOnClose){
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this.clearOnClose=true;
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}
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if("failOk" in _1){
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this.failOk=_1.failOk?true:false;
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}
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},url:"",_ccUrl:"",data:null,typeMap:null,clearOnClose:false,urlPreventCache:false,failOk:false,hierarchical:true,_assertIsItem:function(_3){
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if(!this.isItem(_3)){
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throw new Error("dojo.data.ItemFileReadStore: Invalid item argument.");
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}
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},_assertIsAttribute:function(_4){
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if(typeof _4!=="string"){
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throw new Error("dojo.data.ItemFileReadStore: Invalid attribute argument.");
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}
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},getValue:function(_5,_6,_7){
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var _8=this.getValues(_5,_6);
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return (_8.length>0)?_8[0]:_7;
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},getValues:function(_9,_a){
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this._assertIsItem(_9);
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this._assertIsAttribute(_a);
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return (_9[_a]||[]).slice(0);
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},getAttributes:function(_b){
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this._assertIsItem(_b);
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var _c=[];
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for(var _d in _b){
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if((_d!==this._storeRefPropName)&&(_d!==this._itemNumPropName)&&(_d!==this._rootItemPropName)&&(_d!==this._reverseRefMap)){
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_c.push(_d);
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}
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}
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return _c;
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},hasAttribute:function(_e,_f){
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this._assertIsItem(_e);
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this._assertIsAttribute(_f);
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return (_f in _e);
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},containsValue:function(_10,_11,_12){
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var _13=undefined;
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if(typeof _12==="string"){
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_13=dojo.data.util.filter.patternToRegExp(_12,false);
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}
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return this._containsValue(_10,_11,_12,_13);
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},_containsValue:function(_14,_15,_16,_17){
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return dojo.some(this.getValues(_14,_15),function(_18){
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if(_18!==null&&!dojo.isObject(_18)&&_17){
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if(_18.toString().match(_17)){
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return true;
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}
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}else{
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if(_16===_18){
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return true;
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}
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}
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});
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},isItem:function(_19){
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if(_19&&_19[this._storeRefPropName]===this){
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if(this._arrayOfAllItems[_19[this._itemNumPropName]]===_19){
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return true;
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}
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}
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return false;
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},isItemLoaded:function(_1a){
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return this.isItem(_1a);
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},loadItem:function(_1b){
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this._assertIsItem(_1b.item);
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},getFeatures:function(){
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return this._features;
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},getLabel:function(_1c){
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if(this._labelAttr&&this.isItem(_1c)){
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return this.getValue(_1c,this._labelAttr);
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}
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return undefined;
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},getLabelAttributes:function(_1d){
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if(this._labelAttr){
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return [this._labelAttr];
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}
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return null;
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},_fetchItems:function(_1e,_1f,_20){
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var _21=this,_22=function(_23,_24){
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var _25=[],i,key;
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if(_23.query){
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var _26,_27=_23.queryOptions?_23.queryOptions.ignoreCase:false;
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var _28={};
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for(key in _23.query){
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_26=_23.query[key];
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if(typeof _26==="string"){
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_28[key]=dojo.data.util.filter.patternToRegExp(_26,_27);
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}else{
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if(_26 instanceof RegExp){
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_28[key]=_26;
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}
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}
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}
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for(i=0;i<_24.length;++i){
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var _29=true;
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var _2a=_24[i];
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if(_2a===null){
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_29=false;
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}else{
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for(key in _23.query){
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_26=_23.query[key];
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if(!_21._containsValue(_2a,key,_26,_28[key])){
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_29=false;
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}
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}
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}
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if(_29){
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_25.push(_2a);
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}
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}
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_1f(_25,_23);
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}else{
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for(i=0;i<_24.length;++i){
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var _2b=_24[i];
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if(_2b!==null){
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_25.push(_2b);
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}
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}
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_1f(_25,_23);
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}
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};
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if(this._loadFinished){
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_22(_1e,this._getItemsArray(_1e.queryOptions));
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}else{
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if(this._jsonFileUrl!==this._ccUrl){
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dojo.deprecated("dojo.data.ItemFileReadStore: ","To change the url, set the url property of the store,"+" not _jsonFileUrl. _jsonFileUrl support will be removed in 2.0");
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this._ccUrl=this._jsonFileUrl;
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this.url=this._jsonFileUrl;
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}else{
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if(this.url!==this._ccUrl){
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this._jsonFileUrl=this.url;
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this._ccUrl=this.url;
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}
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}
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if(this.data!=null&&this._jsonData==null){
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this._jsonData=this.data;
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this.data=null;
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}
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if(this._jsonFileUrl){
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if(this._loadInProgress){
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this._queuedFetches.push({args:_1e,filter:_22});
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}else{
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this._loadInProgress=true;
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var _2c={url:_21._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache,failOk:this.failOk};
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var _2d=dojo.xhrGet(_2c);
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_2d.addCallback(function(_2e){
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try{
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_21._getItemsFromLoadedData(_2e);
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_21._loadFinished=true;
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_21._loadInProgress=false;
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_22(_1e,_21._getItemsArray(_1e.queryOptions));
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_21._handleQueuedFetches();
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}
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catch(e){
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_21._loadFinished=true;
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_21._loadInProgress=false;
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_20(e,_1e);
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}
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});
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_2d.addErrback(function(_2f){
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_21._loadInProgress=false;
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_20(_2f,_1e);
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});
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var _30=null;
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if(_1e.abort){
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_30=_1e.abort;
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}
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_1e.abort=function(){
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var df=_2d;
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if(df&&df.fired===-1){
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df.cancel();
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df=null;
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}
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if(_30){
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_30.call(_1e);
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}
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};
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}
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}else{
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if(this._jsonData){
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try{
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this._loadFinished=true;
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this._getItemsFromLoadedData(this._jsonData);
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this._jsonData=null;
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_22(_1e,this._getItemsArray(_1e.queryOptions));
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}
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catch(e){
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_20(e,_1e);
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}
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}else{
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_20(new Error("dojo.data.ItemFileReadStore: No JSON source data was provided as either URL or a nested Javascript object."),_1e);
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}
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}
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}
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},_handleQueuedFetches:function(){
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if(this._queuedFetches.length>0){
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for(var i=0;i<this._queuedFetches.length;i++){
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var _31=this._queuedFetches[i],_32=_31.args,_33=_31.filter;
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if(_33){
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_33(_32,this._getItemsArray(_32.queryOptions));
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}else{
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this.fetchItemByIdentity(_32);
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}
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}
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this._queuedFetches=[];
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}
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},_getItemsArray:function(_34){
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if(_34&&_34.deep){
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return this._arrayOfAllItems;
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}
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return this._arrayOfTopLevelItems;
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},close:function(_35){
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if(this.clearOnClose&&this._loadFinished&&!this._loadInProgress){
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if(((this._jsonFileUrl==""||this._jsonFileUrl==null)&&(this.url==""||this.url==null))&&this.data==null){
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}
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this._arrayOfAllItems=[];
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this._arrayOfTopLevelItems=[];
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this._loadFinished=false;
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this._itemsByIdentity=null;
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this._loadInProgress=false;
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this._queuedFetches=[];
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}
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},_getItemsFromLoadedData:function(_36){
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var _37=false,_38=this;
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function _39(_3a){
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var _3b=((_3a!==null)&&(typeof _3a==="object")&&(!dojo.isArray(_3a)||_37)&&(!dojo.isFunction(_3a))&&(_3a.constructor==Object||dojo.isArray(_3a))&&(typeof _3a._reference==="undefined")&&(typeof _3a._type==="undefined")&&(typeof _3a._value==="undefined")&&_38.hierarchical);
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return _3b;
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};
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function _3c(_3d){
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_38._arrayOfAllItems.push(_3d);
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for(var _3e in _3d){
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var _3f=_3d[_3e];
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if(_3f){
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if(dojo.isArray(_3f)){
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var _40=_3f;
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for(var k=0;k<_40.length;++k){
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var _41=_40[k];
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if(_39(_41)){
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_3c(_41);
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}
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}
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}else{
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if(_39(_3f)){
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_3c(_3f);
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}
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}
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}
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}
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};
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this._labelAttr=_36.label;
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var i,_42;
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this._arrayOfAllItems=[];
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this._arrayOfTopLevelItems=_36.items;
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for(i=0;i<this._arrayOfTopLevelItems.length;++i){
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_42=this._arrayOfTopLevelItems[i];
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if(dojo.isArray(_42)){
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_37=true;
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}
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_3c(_42);
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_42[this._rootItemPropName]=true;
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}
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var _43={},key;
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for(i=0;i<this._arrayOfAllItems.length;++i){
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_42=this._arrayOfAllItems[i];
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for(key in _42){
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if(key!==this._rootItemPropName){
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var _44=_42[key];
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if(_44!==null){
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if(!dojo.isArray(_44)){
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_42[key]=[_44];
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}
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}else{
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_42[key]=[null];
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}
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}
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_43[key]=key;
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}
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}
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while(_43[this._storeRefPropName]){
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this._storeRefPropName+="_";
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}
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while(_43[this._itemNumPropName]){
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this._itemNumPropName+="_";
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}
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while(_43[this._reverseRefMap]){
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this._reverseRefMap+="_";
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}
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var _45;
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var _46=_36.identifier;
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if(_46){
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this._itemsByIdentity={};
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this._features["dojo.data.api.Identity"]=_46;
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for(i=0;i<this._arrayOfAllItems.length;++i){
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_42=this._arrayOfAllItems[i];
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_45=_42[_46];
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var _47=_45[0];
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if(!this._itemsByIdentity[_47]){
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this._itemsByIdentity[_47]=_42;
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}else{
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if(this._jsonFileUrl){
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throw new Error("dojo.data.ItemFileReadStore: The json data as specified by: ["+this._jsonFileUrl+"] is malformed. Items within the list have identifier: ["+_46+"]. Value collided: ["+_47+"]");
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}else{
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if(this._jsonData){
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throw new Error("dojo.data.ItemFileReadStore: The json data provided by the creation arguments is malformed. Items within the list have identifier: ["+_46+"]. Value collided: ["+_47+"]");
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}
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}
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}
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}
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}else{
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this._features["dojo.data.api.Identity"]=Number;
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}
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for(i=0;i<this._arrayOfAllItems.length;++i){
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_42=this._arrayOfAllItems[i];
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_42[this._storeRefPropName]=this;
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_42[this._itemNumPropName]=i;
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}
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for(i=0;i<this._arrayOfAllItems.length;++i){
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_42=this._arrayOfAllItems[i];
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for(key in _42){
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_45=_42[key];
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for(var j=0;j<_45.length;++j){
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_44=_45[j];
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if(_44!==null&&typeof _44=="object"){
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if(("_type" in _44)&&("_value" in _44)){
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var _48=_44._type;
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var _49=this._datatypeMap[_48];
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if(!_49){
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throw new Error("dojo.data.ItemFileReadStore: in the typeMap constructor arg, no object class was specified for the datatype '"+_48+"'");
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}else{
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if(dojo.isFunction(_49)){
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_45[j]=new _49(_44._value);
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}else{
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if(dojo.isFunction(_49.deserialize)){
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_45[j]=_49.deserialize(_44._value);
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}else{
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throw new Error("dojo.data.ItemFileReadStore: Value provided in typeMap was neither a constructor, nor a an object with a deserialize function");
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}
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}
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}
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}
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if(_44._reference){
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var _4a=_44._reference;
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if(!dojo.isObject(_4a)){
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_45[j]=this._getItemByIdentity(_4a);
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}else{
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for(var k=0;k<this._arrayOfAllItems.length;++k){
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var _4b=this._arrayOfAllItems[k],_4c=true;
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for(var _4d in _4a){
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if(_4b[_4d]!=_4a[_4d]){
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_4c=false;
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}
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}
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if(_4c){
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_45[j]=_4b;
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}
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}
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}
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if(this.referenceIntegrity){
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var _4e=_45[j];
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if(this.isItem(_4e)){
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this._addReferenceToMap(_4e,_42,key);
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}
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}
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}else{
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if(this.isItem(_44)){
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if(this.referenceIntegrity){
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this._addReferenceToMap(_44,_42,key);
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}
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}
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}
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}
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}
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}
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}
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},_addReferenceToMap:function(_4f,_50,_51){
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},getIdentity:function(_52){
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var _53=this._features["dojo.data.api.Identity"];
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if(_53===Number){
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return _52[this._itemNumPropName];
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}else{
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var _54=_52[_53];
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if(_54){
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return _54[0];
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}
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}
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return null;
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},fetchItemByIdentity:function(_55){
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var _56,_57;
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if(!this._loadFinished){
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var _58=this;
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if(this._jsonFileUrl!==this._ccUrl){
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dojo.deprecated("dojo.data.ItemFileReadStore: ","To change the url, set the url property of the store,"+" not _jsonFileUrl. _jsonFileUrl support will be removed in 2.0");
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this._ccUrl=this._jsonFileUrl;
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this.url=this._jsonFileUrl;
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}else{
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if(this.url!==this._ccUrl){
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this._jsonFileUrl=this.url;
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this._ccUrl=this.url;
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}
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}
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if(this.data!=null&&this._jsonData==null){
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this._jsonData=this.data;
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this.data=null;
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}
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if(this._jsonFileUrl){
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if(this._loadInProgress){
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this._queuedFetches.push({args:_55});
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}else{
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this._loadInProgress=true;
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var _59={url:_58._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache,failOk:this.failOk};
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var _5a=dojo.xhrGet(_59);
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_5a.addCallback(function(_5b){
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var _5c=_55.scope?_55.scope:dojo.global;
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try{
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_58._getItemsFromLoadedData(_5b);
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_58._loadFinished=true;
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_58._loadInProgress=false;
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_56=_58._getItemByIdentity(_55.identity);
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if(_55.onItem){
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_55.onItem.call(_5c,_56);
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}
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_58._handleQueuedFetches();
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}
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catch(error){
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_58._loadInProgress=false;
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if(_55.onError){
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_55.onError.call(_5c,error);
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}
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}
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});
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_5a.addErrback(function(_5d){
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_58._loadInProgress=false;
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if(_55.onError){
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var _5e=_55.scope?_55.scope:dojo.global;
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_55.onError.call(_5e,_5d);
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}
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});
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}
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}else{
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if(this._jsonData){
|
|
_58._getItemsFromLoadedData(_58._jsonData);
|
|
_58._jsonData=null;
|
|
_58._loadFinished=true;
|
|
_56=_58._getItemByIdentity(_55.identity);
|
|
if(_55.onItem){
|
|
_57=_55.scope?_55.scope:dojo.global;
|
|
_55.onItem.call(_57,_56);
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
_56=this._getItemByIdentity(_55.identity);
|
|
if(_55.onItem){
|
|
_57=_55.scope?_55.scope:dojo.global;
|
|
_55.onItem.call(_57,_56);
|
|
}
|
|
}
|
|
},_getItemByIdentity:function(_5f){
|
|
var _60=null;
|
|
if(this._itemsByIdentity){
|
|
_60=this._itemsByIdentity[_5f];
|
|
}else{
|
|
_60=this._arrayOfAllItems[_5f];
|
|
}
|
|
if(_60===undefined){
|
|
_60=null;
|
|
}
|
|
return _60;
|
|
},getIdentityAttributes:function(_61){
|
|
var _62=this._features["dojo.data.api.Identity"];
|
|
if(_62===Number){
|
|
return null;
|
|
}else{
|
|
return [_62];
|
|
}
|
|
},_forceLoad:function(){
|
|
var _63=this;
|
|
if(this._jsonFileUrl!==this._ccUrl){
|
|
dojo.deprecated("dojo.data.ItemFileReadStore: ","To change the url, set the url property of the store,"+" not _jsonFileUrl. _jsonFileUrl support will be removed in 2.0");
|
|
this._ccUrl=this._jsonFileUrl;
|
|
this.url=this._jsonFileUrl;
|
|
}else{
|
|
if(this.url!==this._ccUrl){
|
|
this._jsonFileUrl=this.url;
|
|
this._ccUrl=this.url;
|
|
}
|
|
}
|
|
if(this.data!=null&&this._jsonData==null){
|
|
this._jsonData=this.data;
|
|
this.data=null;
|
|
}
|
|
if(this._jsonFileUrl){
|
|
var _64={url:this._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache,failOk:this.failOk,sync:true};
|
|
var _65=dojo.xhrGet(_64);
|
|
_65.addCallback(function(_66){
|
|
try{
|
|
if(_63._loadInProgress!==true&&!_63._loadFinished){
|
|
_63._getItemsFromLoadedData(_66);
|
|
_63._loadFinished=true;
|
|
}else{
|
|
if(_63._loadInProgress){
|
|
throw new Error("dojo.data.ItemFileReadStore: Unable to perform a synchronous load, an async load is in progress.");
|
|
}
|
|
}
|
|
}
|
|
catch(e){
|
|
throw e;
|
|
}
|
|
});
|
|
_65.addErrback(function(_67){
|
|
throw _67;
|
|
});
|
|
}else{
|
|
if(this._jsonData){
|
|
_63._getItemsFromLoadedData(_63._jsonData);
|
|
_63._jsonData=null;
|
|
_63._loadFinished=true;
|
|
}
|
|
}
|
|
}});
|
|
dojo.extend(dojo.data.ItemFileReadStore,dojo.data.util.simpleFetch);
|
|
}
|