diff options
Diffstat (limited to 'lib/dojo/data/ItemFileReadStore.js')
| -rw-r--r-- | lib/dojo/data/ItemFileReadStore.js | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/lib/dojo/data/ItemFileReadStore.js b/lib/dojo/data/ItemFileReadStore.js new file mode 100644 index 000000000..01c15ee00 --- /dev/null +++ b/lib/dojo/data/ItemFileReadStore.js @@ -0,0 +1,562 @@ +/* + Copyright (c) 2004-2010, 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._ccUrl=_1.url; +this.url=_1.url; +this._jsonData=_1.data; +this.data=null; +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.hierarchical!==undefined){ +this.hierarchical=_1.hierarchical?true:false; +} +if(_1.clearOnClose){ +this.clearOnClose=true; +} +if("failOk" in _1){ +this.failOk=_1.failOk?true:false; +} +},url:"",_ccUrl:"",data:null,typeMap:null,clearOnClose:false,urlPreventCache:false,failOk:false,hierarchical:true,_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]||[]).slice(0); +},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){ +this._assertIsItem(_e); +this._assertIsAttribute(_f); +return (_f in _e); +},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,_22=function(_23,_24){ +var _25=[],i,key; +if(_23.query){ +var _26,_27=_23.queryOptions?_23.queryOptions.ignoreCase:false; +var _28={}; +for(key in _23.query){ +_26=_23.query[key]; +if(typeof _26==="string"){ +_28[key]=dojo.data.util.filter.patternToRegExp(_26,_27); +}else{ +if(_26 instanceof RegExp){ +_28[key]=_26; +} +} +} +for(i=0;i<_24.length;++i){ +var _29=true; +var _2a=_24[i]; +if(_2a===null){ +_29=false; +}else{ +for(key in _23.query){ +_26=_23.query[key]; +if(!_21._containsValue(_2a,key,_26,_28[key])){ +_29=false; +} +} +} +if(_29){ +_25.push(_2a); +} +} +_1f(_25,_23); +}else{ +for(i=0;i<_24.length;++i){ +var _2b=_24[i]; +if(_2b!==null){ +_25.push(_2b); +} +} +_1f(_25,_23); +} +}; +if(this._loadFinished){ +_22(_1e,this._getItemsArray(_1e.queryOptions)); +}else{ +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){ +if(this._loadInProgress){ +this._queuedFetches.push({args:_1e,filter:_22}); +}else{ +this._loadInProgress=true; +var _2c={url:_21._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache,failOk:this.failOk}; +var _2d=dojo.xhrGet(_2c); +_2d.addCallback(function(_2e){ +try{ +_21._getItemsFromLoadedData(_2e); +_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); +} +}); +_2d.addErrback(function(_2f){ +_21._loadInProgress=false; +_20(_2f,_1e); +}); +var _30=null; +if(_1e.abort){ +_30=_1e.abort; +} +_1e.abort=function(){ +var df=_2d; +if(df&&df.fired===-1){ +df.cancel(); +df=null; +} +if(_30){ +_30.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 _31=this._queuedFetches[i],_32=_31.args,_33=_31.filter; +if(_33){ +_33(_32,this._getItemsArray(_32.queryOptions)); +}else{ +this.fetchItemByIdentity(_32); +} +} +this._queuedFetches=[]; +} +},_getItemsArray:function(_34){ +if(_34&&_34.deep){ +return this._arrayOfAllItems; +} +return this._arrayOfTopLevelItems; +},close:function(_35){ +if(this.clearOnClose&&this._loadFinished&&!this._loadInProgress){ +if(((this._jsonFileUrl==""||this._jsonFileUrl==null)&&(this.url==""||this.url==null))&&this.data==null){ +} +this._arrayOfAllItems=[]; +this._arrayOfTopLevelItems=[]; +this._loadFinished=false; +this._itemsByIdentity=null; +this._loadInProgress=false; +this._queuedFetches=[]; +} +},_getItemsFromLoadedData:function(_36){ +var _37=false,_38=this; +function _39(_3a){ +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); +return _3b; +}; +function _3c(_3d){ +_38._arrayOfAllItems.push(_3d); +for(var _3e in _3d){ +var _3f=_3d[_3e]; +if(_3f){ +if(dojo.isArray(_3f)){ +var _40=_3f; +for(var k=0;k<_40.length;++k){ +var _41=_40[k]; +if(_39(_41)){ +_3c(_41); +} +} +}else{ +if(_39(_3f)){ +_3c(_3f); +} +} +} +} +}; +this._labelAttr=_36.label; +var i,_42; +this._arrayOfAllItems=[]; +this._arrayOfTopLevelItems=_36.items; +for(i=0;i<this._arrayOfTopLevelItems.length;++i){ +_42=this._arrayOfTopLevelItems[i]; +if(dojo.isArray(_42)){ +_37=true; +} +_3c(_42); +_42[this._rootItemPropName]=true; +} +var _43={},key; +for(i=0;i<this._arrayOfAllItems.length;++i){ +_42=this._arrayOfAllItems[i]; +for(key in _42){ +if(key!==this._rootItemPropName){ +var _44=_42[key]; +if(_44!==null){ +if(!dojo.isArray(_44)){ +_42[key]=[_44]; +} +}else{ +_42[key]=[null]; +} +} +_43[key]=key; +} +} +while(_43[this._storeRefPropName]){ +this._storeRefPropName+="_"; +} +while(_43[this._itemNumPropName]){ +this._itemNumPropName+="_"; +} +while(_43[this._reverseRefMap]){ +this._reverseRefMap+="_"; +} +var _45; +var _46=_36.identifier; +if(_46){ +this._itemsByIdentity={}; +this._features["dojo.data.api.Identity"]=_46; +for(i=0;i<this._arrayOfAllItems.length;++i){ +_42=this._arrayOfAllItems[i]; +_45=_42[_46]; +var _47=_45[0]; +if(!this._itemsByIdentity[_47]){ +this._itemsByIdentity[_47]=_42; +}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: ["+_46+"]. Value collided: ["+_47+"]"); +}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: ["+_46+"]. Value collided: ["+_47+"]"); +} +} +} +} +}else{ +this._features["dojo.data.api.Identity"]=Number; +} +for(i=0;i<this._arrayOfAllItems.length;++i){ +_42=this._arrayOfAllItems[i]; +_42[this._storeRefPropName]=this; +_42[this._itemNumPropName]=i; +} +for(i=0;i<this._arrayOfAllItems.length;++i){ +_42=this._arrayOfAllItems[i]; +for(key in _42){ +_45=_42[key]; +for(var j=0;j<_45.length;++j){ +_44=_45[j]; +if(_44!==null&&typeof _44=="object"){ +if(("_type" in _44)&&("_value" in _44)){ +var _48=_44._type; +var _49=this._datatypeMap[_48]; +if(!_49){ +throw new Error("dojo.data.ItemFileReadStore: in the typeMap constructor arg, no object class was specified for the datatype '"+_48+"'"); +}else{ +if(dojo.isFunction(_49)){ +_45[j]=new _49(_44._value); +}else{ +if(dojo.isFunction(_49.deserialize)){ +_45[j]=_49.deserialize(_44._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(_44._reference){ +var _4a=_44._reference; +if(!dojo.isObject(_4a)){ +_45[j]=this._getItemByIdentity(_4a); +}else{ +for(var k=0;k<this._arrayOfAllItems.length;++k){ +var _4b=this._arrayOfAllItems[k],_4c=true; +for(var _4d in _4a){ +if(_4b[_4d]!=_4a[_4d]){ +_4c=false; +} +} +if(_4c){ +_45[j]=_4b; +} +} +} +if(this.referenceIntegrity){ +var _4e=_45[j]; +if(this.isItem(_4e)){ +this._addReferenceToMap(_4e,_42,key); +} +} +}else{ +if(this.isItem(_44)){ +if(this.referenceIntegrity){ +this._addReferenceToMap(_44,_42,key); +} +} +} +} +} +} +} +},_addReferenceToMap:function(_4f,_50,_51){ +},getIdentity:function(_52){ +var _53=this._features["dojo.data.api.Identity"]; +if(_53===Number){ +return _52[this._itemNumPropName]; +}else{ +var _54=_52[_53]; +if(_54){ +return _54[0]; +} +} +return null; +},fetchItemByIdentity:function(_55){ +var _56,_57; +if(!this._loadFinished){ +var _58=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){ +if(this._loadInProgress){ +this._queuedFetches.push({args:_55}); +}else{ +this._loadInProgress=true; +var _59={url:_58._jsonFileUrl,handleAs:"json-comment-optional",preventCache:this.urlPreventCache,failOk:this.failOk}; +var _5a=dojo.xhrGet(_59); +_5a.addCallback(function(_5b){ +var _5c=_55.scope?_55.scope:dojo.global; +try{ +_58._getItemsFromLoadedData(_5b); +_58._loadFinished=true; +_58._loadInProgress=false; +_56=_58._getItemByIdentity(_55.identity); +if(_55.onItem){ +_55.onItem.call(_5c,_56); +} +_58._handleQueuedFetches(); +} +catch(error){ +_58._loadInProgress=false; +if(_55.onError){ +_55.onError.call(_5c,error); +} +} +}); +_5a.addErrback(function(_5d){ +_58._loadInProgress=false; +if(_55.onError){ +var _5e=_55.scope?_55.scope:dojo.global; +_55.onError.call(_5e,_5d); +} +}); +} +}else{ +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); +} |