| /* |
| 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["dojo.data.ItemFileReadStore"]){ |
| dojo._hasResource["dojo.data.ItemFileReadStore"]=true; |
| dojo.provide("dojo.data.ItemFileReadStore"); |
| dojo.require("dojo.data.util.filter"); |
| dojo.require("dojo.data.util.simpleFetch"); |
| dojo.require("dojo.date.stamp"); |
| dojo.declare("dojo.data.ItemFileReadStore",null,{constructor:function(_1){ |
| this._arrayOfAllItems=[]; |
| this._arrayOfTopLevelItems=[]; |
| this._loadFinished=false; |
| this._jsonFileUrl=_1.url; |
| this._jsonData=_1.data; |
| this._datatypeMap=_1.typeMap||{}; |
| if(!this._datatypeMap["Date"]){ |
| this._datatypeMap["Date"]={type:Date,deserialize:function(_2){ |
| return dojo.date.stamp.fromISOString(_2); |
| }}; |
| } |
| this._features={"dojo.data.api.Read":true,"dojo.data.api.Identity":true}; |
| this._itemsByIdentity=null; |
| this._storeRefPropName="_S"; |
| this._itemNumPropName="_0"; |
| this._rootItemPropName="_RI"; |
| this._reverseRefMap="_RRM"; |
| this._loadInProgress=false; |
| this._queuedFetches=[]; |
| if(_1.urlPreventCache!==undefined){ |
| this.urlPreventCache=_1.urlPreventCache?true:false; |
| } |
| if(_1.clearOnClose){ |
| this.clearOnClose=true; |
| } |
| },url:"",data:null,typeMap:null,clearOnClose:false,urlPreventCache:false,_assertIsItem:function(_3){ |
| if(!this.isItem(_3)){ |
| throw new Error("dojo.data.ItemFileReadStore: Invalid item argument."); |
| } |
| },_assertIsAttribute:function(_4){ |
| if(typeof _4!=="string"){ |
| throw new Error("dojo.data.ItemFileReadStore: Invalid attribute argument."); |
| } |
| },getValue:function(_5,_6,_7){ |
| var _8=this.getValues(_5,_6); |
| return (_8.length>0)?_8[0]:_7; |
| },getValues:function(_9,_a){ |
| this._assertIsItem(_9); |
| this._assertIsAttribute(_a); |
| return _9[_a]||[]; |
| },getAttributes:function(_b){ |
| this._assertIsItem(_b); |
| var _c=[]; |
| for(var _d in _b){ |
| if((_d!==this._storeRefPropName)&&(_d!==this._itemNumPropName)&&(_d!==this._rootItemPropName)&&(_d!==this._reverseRefMap)){ |
| _c.push(_d); |
| } |
| } |
| return _c; |
| },hasAttribute:function(_e,_f){ |
| return this.getValues(_e,_f).length>0; |
| },containsValue:function(_10,_11,_12){ |
| var _13=undefined; |
| if(typeof _12==="string"){ |
| _13=dojo.data.util.filter.patternToRegExp(_12,false); |
| } |
| return this._containsValue(_10,_11,_12,_13); |
| },_containsValue:function(_14,_15,_16,_17){ |
| return dojo.some(this.getValues(_14,_15),function(_18){ |
| if(_18!==null&&!dojo.isObject(_18)&&_17){ |
| if(_18.toString().match(_17)){ |
| return true; |
| } |
| }else{ |
| if(_16===_18){ |
| return true; |
| } |
| } |
| }); |
| },isItem:function(_19){ |
| if(_19&&_19[this._storeRefPropName]===this){ |
| if(this._arrayOfAllItems[_19[this._itemNumPropName]]===_19){ |
| return true; |
| } |
| } |
| return false; |
| },isItemLoaded:function(_1a){ |
| return this.isItem(_1a); |
| },loadItem:function(_1b){ |
| this._assertIsItem(_1b.item); |
| },getFeatures:function(){ |
| return this._features; |
| },getLabel:function(_1c){ |
| if(this._labelAttr&&this.isItem(_1c)){ |
| return this.getValue(_1c,this._labelAttr); |
| } |
| return undefined; |
| },getLabelAttributes:function(_1d){ |
| if(this._labelAttr){ |
| return [this._labelAttr]; |
| } |
| return null; |
| },_fetchItems:function(_1e,_1f,_20){ |
| var _21=this; |
| var _22=function(_23,_24){ |
| var _25=[]; |
| var i,key; |
| if(_23.query){ |
| var _28; |
| var _29=_23.queryOptions?_23.queryOptions.ignoreCase:false; |
| var _2a={}; |
| for(key in _23.query){ |
| _28=_23.query[key]; |
| if(typeof _28==="string"){ |
| _2a[key]=dojo.data.util.filter.patternToRegExp(_28,_29); |
| } |
| } |
| for(i=0;i<_24.length;++i){ |
| var _2b=true; |
| var _2c=_24[i]; |
| if(_2c===null){ |
| _2b=false; |
| }else{ |
| for(key in _23.query){ |
| _28=_23.query[key]; |
| if(!_21._containsValue(_2c,key,_28,_2a[key])){ |
| _2b=false; |
| } |
| } |
| } |
| if(_2b){ |
| _25.push(_2c); |
| } |
| } |
| _1f(_25,_23); |
| }else{ |
| for(i=0;i<_24.length;++i){ |
| var _2d=_24[i]; |
| if(_2d!==null){ |
| _25.push(_2d); |
| } |
| } |
| _1f(_25,_23); |
| } |
| }; |
| if(this._loadFinished){ |
| _22(_1e,this._getItemsArray(_1e.queryOptions)); |
| }else{ |
| if(this._jsonFileUrl){ |
| if(this._loadInProgress){ |
| this._queuedFetches.push({args:_1e,filter:_22}); |
| }else{ |
| this._loadInProgress=true; |
| var _2e={url:_21._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache}; |
| var _2f=dojo.xhrGet(_2e); |
| _2f.addCallback(function(_30){ |
| try{ |
| _21._getItemsFromLoadedData(_30); |
| _21._loadFinished=true; |
| _21._loadInProgress=false; |
| _22(_1e,_21._getItemsArray(_1e.queryOptions)); |
| _21._handleQueuedFetches(); |
| } |
| catch(e){ |
| _21._loadFinished=true; |
| _21._loadInProgress=false; |
| _20(e,_1e); |
| } |
| }); |
| _2f.addErrback(function(_31){ |
| _21._loadInProgress=false; |
| _20(_31,_1e); |
| }); |
| var _32=null; |
| if(_1e.abort){ |
| _32=_1e.abort; |
| } |
| _1e.abort=function(){ |
| var df=_2f; |
| if(df&&df.fired===-1){ |
| df.cancel(); |
| df=null; |
| } |
| if(_32){ |
| _32.call(_1e); |
| } |
| }; |
| } |
| }else{ |
| if(this._jsonData){ |
| try{ |
| this._loadFinished=true; |
| this._getItemsFromLoadedData(this._jsonData); |
| this._jsonData=null; |
| _22(_1e,this._getItemsArray(_1e.queryOptions)); |
| } |
| catch(e){ |
| _20(e,_1e); |
| } |
| }else{ |
| _20(new Error("dojo.data.ItemFileReadStore: No JSON source data was provided as either URL or a nested Javascript object."),_1e); |
| } |
| } |
| } |
| },_handleQueuedFetches:function(){ |
| if(this._queuedFetches.length>0){ |
| for(var i=0;i<this._queuedFetches.length;i++){ |
| var _35=this._queuedFetches[i]; |
| var _36=_35.args; |
| var _37=_35.filter; |
| if(_37){ |
| _37(_36,this._getItemsArray(_36.queryOptions)); |
| }else{ |
| this.fetchItemByIdentity(_36); |
| } |
| } |
| this._queuedFetches=[]; |
| } |
| },_getItemsArray:function(_38){ |
| if(_38&&_38.deep){ |
| return this._arrayOfAllItems; |
| } |
| return this._arrayOfTopLevelItems; |
| },close:function(_39){ |
| if(this.clearOnClose&&(this._jsonFileUrl!=="")){ |
| this._arrayOfAllItems=[]; |
| this._arrayOfTopLevelItems=[]; |
| this._loadFinished=false; |
| this._itemsByIdentity=null; |
| this._loadInProgress=false; |
| this._queuedFetches=[]; |
| } |
| },_getItemsFromLoadedData:function(_3a){ |
| var _3b=false; |
| function _3c(_3d){ |
| var _3e=((_3d!==null)&&(typeof _3d==="object")&&(!dojo.isArray(_3d)||_3b)&&(!dojo.isFunction(_3d))&&(_3d.constructor==Object||dojo.isArray(_3d))&&(typeof _3d._reference==="undefined")&&(typeof _3d._type==="undefined")&&(typeof _3d._value==="undefined")); |
| return _3e; |
| }; |
| var _3f=this; |
| function _40(_41){ |
| _3f._arrayOfAllItems.push(_41); |
| for(var _42 in _41){ |
| var _43=_41[_42]; |
| if(_43){ |
| if(dojo.isArray(_43)){ |
| var _44=_43; |
| for(var k=0;k<_44.length;++k){ |
| var _46=_44[k]; |
| if(_3c(_46)){ |
| _40(_46); |
| } |
| } |
| }else{ |
| if(_3c(_43)){ |
| _40(_43); |
| } |
| } |
| } |
| } |
| }; |
| this._labelAttr=_3a.label; |
| var i; |
| var _48; |
| this._arrayOfAllItems=[]; |
| this._arrayOfTopLevelItems=_3a.items; |
| for(i=0;i<this._arrayOfTopLevelItems.length;++i){ |
| _48=this._arrayOfTopLevelItems[i]; |
| if(dojo.isArray(_48)){ |
| _3b=true; |
| } |
| _40(_48); |
| _48[this._rootItemPropName]=true; |
| } |
| var _49={}; |
| var key; |
| for(i=0;i<this._arrayOfAllItems.length;++i){ |
| _48=this._arrayOfAllItems[i]; |
| for(key in _48){ |
| if(key!==this._rootItemPropName){ |
| var _4b=_48[key]; |
| if(_4b!==null){ |
| if(!dojo.isArray(_4b)){ |
| _48[key]=[_4b]; |
| } |
| }else{ |
| _48[key]=[null]; |
| } |
| } |
| _49[key]=key; |
| } |
| } |
| while(_49[this._storeRefPropName]){ |
| this._storeRefPropName+="_"; |
| } |
| while(_49[this._itemNumPropName]){ |
| this._itemNumPropName+="_"; |
| } |
| while(_49[this._reverseRefMap]){ |
| this._reverseRefMap+="_"; |
| } |
| var _4c; |
| var _4d=_3a.identifier; |
| if(_4d){ |
| this._itemsByIdentity={}; |
| this._features["dojo.data.api.Identity"]=_4d; |
| for(i=0;i<this._arrayOfAllItems.length;++i){ |
| _48=this._arrayOfAllItems[i]; |
| _4c=_48[_4d]; |
| var _4e=_4c[0]; |
| if(!this._itemsByIdentity[_4e]){ |
| this._itemsByIdentity[_4e]=_48; |
| }else{ |
| if(this._jsonFileUrl){ |
| throw new Error("dojo.data.ItemFileReadStore: The json data as specified by: ["+this._jsonFileUrl+"] is malformed. Items within the list have identifier: ["+_4d+"]. Value collided: ["+_4e+"]"); |
| }else{ |
| if(this._jsonData){ |
| throw new Error("dojo.data.ItemFileReadStore: The json data provided by the creation arguments is malformed. Items within the list have identifier: ["+_4d+"]. Value collided: ["+_4e+"]"); |
| } |
| } |
| } |
| } |
| }else{ |
| this._features["dojo.data.api.Identity"]=Number; |
| } |
| for(i=0;i<this._arrayOfAllItems.length;++i){ |
| _48=this._arrayOfAllItems[i]; |
| _48[this._storeRefPropName]=this; |
| _48[this._itemNumPropName]=i; |
| } |
| for(i=0;i<this._arrayOfAllItems.length;++i){ |
| _48=this._arrayOfAllItems[i]; |
| for(key in _48){ |
| _4c=_48[key]; |
| for(var j=0;j<_4c.length;++j){ |
| _4b=_4c[j]; |
| if(_4b!==null&&typeof _4b=="object"){ |
| if(_4b._type&&_4b._value){ |
| var _50=_4b._type; |
| var _51=this._datatypeMap[_50]; |
| if(!_51){ |
| throw new Error("dojo.data.ItemFileReadStore: in the typeMap constructor arg, no object class was specified for the datatype '"+_50+"'"); |
| }else{ |
| if(dojo.isFunction(_51)){ |
| _4c[j]=new _51(_4b._value); |
| }else{ |
| if(dojo.isFunction(_51.deserialize)){ |
| _4c[j]=_51.deserialize(_4b._value); |
| }else{ |
| throw new Error("dojo.data.ItemFileReadStore: Value provided in typeMap was neither a constructor, nor a an object with a deserialize function"); |
| } |
| } |
| } |
| } |
| if(_4b._reference){ |
| var _52=_4b._reference; |
| if(!dojo.isObject(_52)){ |
| _4c[j]=this._itemsByIdentity[_52]; |
| }else{ |
| for(var k=0;k<this._arrayOfAllItems.length;++k){ |
| var _54=this._arrayOfAllItems[k]; |
| var _55=true; |
| for(var _56 in _52){ |
| if(_54[_56]!=_52[_56]){ |
| _55=false; |
| } |
| } |
| if(_55){ |
| _4c[j]=_54; |
| } |
| } |
| } |
| if(this.referenceIntegrity){ |
| var _57=_4c[j]; |
| if(this.isItem(_57)){ |
| this._addReferenceToMap(_57,_48,key); |
| } |
| } |
| }else{ |
| if(this.isItem(_4b)){ |
| if(this.referenceIntegrity){ |
| this._addReferenceToMap(_4b,_48,key); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| },_addReferenceToMap:function(_58,_59,_5a){ |
| },getIdentity:function(_5b){ |
| var _5c=this._features["dojo.data.api.Identity"]; |
| if(_5c===Number){ |
| return _5b[this._itemNumPropName]; |
| }else{ |
| var _5d=_5b[_5c]; |
| if(_5d){ |
| return _5d[0]; |
| } |
| } |
| return null; |
| },fetchItemByIdentity:function(_5e){ |
| var _5f; |
| var _60; |
| if(!this._loadFinished){ |
| var _61=this; |
| if(this._jsonFileUrl){ |
| if(this._loadInProgress){ |
| this._queuedFetches.push({args:_5e}); |
| }else{ |
| this._loadInProgress=true; |
| var _62={url:_61._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache}; |
| var _63=dojo.xhrGet(_62); |
| _63.addCallback(function(_64){ |
| var _65=_5e.scope?_5e.scope:dojo.global; |
| try{ |
| _61._getItemsFromLoadedData(_64); |
| _61._loadFinished=true; |
| _61._loadInProgress=false; |
| _5f=_61._getItemByIdentity(_5e.identity); |
| if(_5e.onItem){ |
| _5e.onItem.call(_65,_5f); |
| } |
| _61._handleQueuedFetches(); |
| } |
| catch(error){ |
| _61._loadInProgress=false; |
| if(_5e.onError){ |
| _5e.onError.call(_65,error); |
| } |
| } |
| }); |
| _63.addErrback(function(_66){ |
| _61._loadInProgress=false; |
| if(_5e.onError){ |
| var _67=_5e.scope?_5e.scope:dojo.global; |
| _5e.onError.call(_67,_66); |
| } |
| }); |
| } |
| }else{ |
| if(this._jsonData){ |
| _61._getItemsFromLoadedData(_61._jsonData); |
| _61._jsonData=null; |
| _61._loadFinished=true; |
| _5f=_61._getItemByIdentity(_5e.identity); |
| if(_5e.onItem){ |
| _60=_5e.scope?_5e.scope:dojo.global; |
| _5e.onItem.call(_60,_5f); |
| } |
| } |
| } |
| }else{ |
| _5f=this._getItemByIdentity(_5e.identity); |
| if(_5e.onItem){ |
| _60=_5e.scope?_5e.scope:dojo.global; |
| _5e.onItem.call(_60,_5f); |
| } |
| } |
| },_getItemByIdentity:function(_68){ |
| var _69=null; |
| if(this._itemsByIdentity){ |
| _69=this._itemsByIdentity[_68]; |
| }else{ |
| _69=this._arrayOfAllItems[_68]; |
| } |
| if(_69===undefined){ |
| _69=null; |
| } |
| return _69; |
| },getIdentityAttributes:function(_6a){ |
| var _6b=this._features["dojo.data.api.Identity"]; |
| if(_6b===Number){ |
| return null; |
| }else{ |
| return [_6b]; |
| } |
| },_forceLoad:function(){ |
| var _6c=this; |
| if(this._jsonFileUrl){ |
| var _6d={url:_6c._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache,sync:true}; |
| var _6e=dojo.xhrGet(_6d); |
| _6e.addCallback(function(_6f){ |
| try{ |
| if(_6c._loadInProgress!==true&&!_6c._loadFinished){ |
| _6c._getItemsFromLoadedData(_6f); |
| _6c._loadFinished=true; |
| }else{ |
| if(_6c._loadInProgress){ |
| throw new Error("dojo.data.ItemFileReadStore: Unable to perform a synchronous load, an async load is in progress."); |
| } |
| } |
| } |
| catch(e){ |
| |
| throw e; |
| } |
| }); |
| _6e.addErrback(function(_70){ |
| throw _70; |
| }); |
| }else{ |
| if(this._jsonData){ |
| _6c._getItemsFromLoadedData(_6c._jsonData); |
| _6c._jsonData=null; |
| _6c._loadFinished=true; |
| } |
| } |
| }}); |
| dojo.extend(dojo.data.ItemFileReadStore,dojo.data.util.simpleFetch); |
| } |
