| /* |
| 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["dojox.data.OpmlStore"]){ |
| dojo._hasResource["dojox.data.OpmlStore"]=true; |
| dojo.provide("dojox.data.OpmlStore"); |
| dojo.require("dojo.data.util.filter"); |
| dojo.require("dojo.data.util.simpleFetch"); |
| dojo.declare("dojox.data.OpmlStore",null,{constructor:function(_1){ |
| this._xmlData=null; |
| this._arrayOfTopLevelItems=[]; |
| this._arrayOfAllItems=[]; |
| this._metadataNodes=null; |
| this._loadFinished=false; |
| this.url=_1.url; |
| this._opmlData=_1.data; |
| if(_1.label){ |
| this.label=_1.label; |
| } |
| this._loadInProgress=false; |
| this._queuedFetches=[]; |
| this._identityMap={}; |
| this._identCount=0; |
| this._idProp="_I"; |
| if(_1&&"urlPreventCache" in _1){ |
| this.urlPreventCache=_1.urlPreventCache?true:false; |
| } |
| },label:"text",url:"",urlPreventCache:false,_assertIsItem:function(_2){ |
| if(!this.isItem(_2)){ |
| throw new Error("dojo.data.OpmlStore: a function was passed an item argument that was not an item"); |
| } |
| },_assertIsAttribute:function(_3){ |
| if(!dojo.isString(_3)){ |
| throw new Error("dojox.data.OpmlStore: a function was passed an attribute argument that was not an attribute object nor an attribute name string"); |
| } |
| },_removeChildNodesThatAreNotElementNodes:function(_4,_5){ |
| var _6=_4.childNodes; |
| if(_6.length===0){ |
| return; |
| } |
| var _7=[]; |
| var i,_8; |
| for(i=0;i<_6.length;++i){ |
| _8=_6[i]; |
| if(_8.nodeType!=1){ |
| _7.push(_8); |
| } |
| } |
| for(i=0;i<_7.length;++i){ |
| _8=_7[i]; |
| _4.removeChild(_8); |
| } |
| if(_5){ |
| for(i=0;i<_6.length;++i){ |
| _8=_6[i]; |
| this._removeChildNodesThatAreNotElementNodes(_8,_5); |
| } |
| } |
| },_processRawXmlTree:function(_9){ |
| this._loadFinished=true; |
| this._xmlData=_9; |
| var _a=_9.getElementsByTagName("head"); |
| var _b=_a[0]; |
| if(_b){ |
| this._removeChildNodesThatAreNotElementNodes(_b); |
| this._metadataNodes=_b.childNodes; |
| } |
| var _c=_9.getElementsByTagName("body"); |
| var _d=_c[0]; |
| if(_d){ |
| this._removeChildNodesThatAreNotElementNodes(_d,true); |
| var _e=_c[0].childNodes; |
| for(var i=0;i<_e.length;++i){ |
| var _f=_e[i]; |
| if(_f.tagName=="outline"){ |
| this._identityMap[this._identCount]=_f; |
| this._identCount++; |
| this._arrayOfTopLevelItems.push(_f); |
| this._arrayOfAllItems.push(_f); |
| this._checkChildNodes(_f); |
| } |
| } |
| } |
| },_checkChildNodes:function(_10){ |
| if(_10.firstChild){ |
| for(var i=0;i<_10.childNodes.length;i++){ |
| var _11=_10.childNodes[i]; |
| if(_11.tagName=="outline"){ |
| this._identityMap[this._identCount]=_11; |
| this._identCount++; |
| this._arrayOfAllItems.push(_11); |
| this._checkChildNodes(_11); |
| } |
| } |
| } |
| },_getItemsArray:function(_12){ |
| if(_12&&_12.deep){ |
| return this._arrayOfAllItems; |
| } |
| return this._arrayOfTopLevelItems; |
| },getValue:function(_13,_14,_15){ |
| this._assertIsItem(_13); |
| this._assertIsAttribute(_14); |
| if(_14=="children"){ |
| return (_13.firstChild||_15); |
| }else{ |
| var _16=_13.getAttribute(_14); |
| return (_16!==undefined)?_16:_15; |
| } |
| },getValues:function(_17,_18){ |
| this._assertIsItem(_17); |
| this._assertIsAttribute(_18); |
| var _19=[]; |
| if(_18=="children"){ |
| for(var i=0;i<_17.childNodes.length;++i){ |
| _19.push(_17.childNodes[i]); |
| } |
| }else{ |
| if(_17.getAttribute(_18)!==null){ |
| _19.push(_17.getAttribute(_18)); |
| } |
| } |
| return _19; |
| },getAttributes:function(_1a){ |
| this._assertIsItem(_1a); |
| var _1b=[]; |
| var _1c=_1a; |
| var _1d=_1c.attributes; |
| for(var i=0;i<_1d.length;++i){ |
| var _1e=_1d.item(i); |
| _1b.push(_1e.nodeName); |
| } |
| if(_1c.childNodes.length>0){ |
| _1b.push("children"); |
| } |
| return _1b; |
| },hasAttribute:function(_1f,_20){ |
| return (this.getValues(_1f,_20).length>0); |
| },containsValue:function(_21,_22,_23){ |
| var _24=undefined; |
| if(typeof _23==="string"){ |
| _24=dojo.data.util.filter.patternToRegExp(_23,false); |
| } |
| return this._containsValue(_21,_22,_23,_24); |
| },_containsValue:function(_25,_26,_27,_28){ |
| var _29=this.getValues(_25,_26); |
| for(var i=0;i<_29.length;++i){ |
| var _2a=_29[i]; |
| if(typeof _2a==="string"&&_28){ |
| return (_2a.match(_28)!==null); |
| }else{ |
| if(_27===_2a){ |
| return true; |
| } |
| } |
| } |
| return false; |
| },isItem:function(_2b){ |
| return (_2b&&_2b.nodeType==1&&_2b.tagName=="outline"&&_2b.ownerDocument===this._xmlData); |
| },isItemLoaded:function(_2c){ |
| return this.isItem(_2c); |
| },loadItem:function(_2d){ |
| },getLabel:function(_2e){ |
| if(this.isItem(_2e)){ |
| return this.getValue(_2e,this.label); |
| } |
| return undefined; |
| },getLabelAttributes:function(_2f){ |
| return [this.label]; |
| },_fetchItems:function(_30,_31,_32){ |
| var _33=this; |
| var _34=function(_35,_36){ |
| var _37=null; |
| if(_35.query){ |
| _37=[]; |
| var _38=_35.queryOptions?_35.queryOptions.ignoreCase:false; |
| var _39={}; |
| for(var key in _35.query){ |
| var _3a=_35.query[key]; |
| if(typeof _3a==="string"){ |
| _39[key]=dojo.data.util.filter.patternToRegExp(_3a,_38); |
| } |
| } |
| for(var i=0;i<_36.length;++i){ |
| var _3b=true; |
| var _3c=_36[i]; |
| for(var key in _35.query){ |
| var _3a=_35.query[key]; |
| if(!_33._containsValue(_3c,key,_3a,_39[key])){ |
| _3b=false; |
| } |
| } |
| if(_3b){ |
| _37.push(_3c); |
| } |
| } |
| }else{ |
| if(_36.length>0){ |
| _37=_36.slice(0,_36.length); |
| } |
| } |
| _31(_37,_35); |
| }; |
| if(this._loadFinished){ |
| _34(_30,this._getItemsArray(_30.queryOptions)); |
| }else{ |
| if(this._loadInProgress){ |
| this._queuedFetches.push({args:_30,filter:_34}); |
| }else{ |
| if(this.url!==""){ |
| this._loadInProgress=true; |
| var _3d={url:_33.url,handleAs:"xml",preventCache:_33.urlPreventCache}; |
| var _3e=dojo.xhrGet(_3d); |
| _3e.addCallback(function(_3f){ |
| _33._processRawXmlTree(_3f); |
| _34(_30,_33._getItemsArray(_30.queryOptions)); |
| _33._handleQueuedFetches(); |
| }); |
| _3e.addErrback(function(_40){ |
| throw _40; |
| }); |
| }else{ |
| if(this._opmlData){ |
| this._processRawXmlTree(this._opmlData); |
| this._opmlData=null; |
| _34(_30,this._getItemsArray(_30.queryOptions)); |
| }else{ |
| throw new Error("dojox.data.OpmlStore: No OPML source data was provided as either URL or XML data input."); |
| } |
| } |
| } |
| } |
| },getFeatures:function(){ |
| var _41={"dojo.data.api.Read":true,"dojo.data.api.Identity":true}; |
| return _41; |
| },getIdentity:function(_42){ |
| if(this.isItem(_42)){ |
| for(var i in this._identityMap){ |
| if(this._identityMap[i]===_42){ |
| return i; |
| } |
| } |
| } |
| return null; |
| },fetchItemByIdentity:function(_43){ |
| if(!this._loadFinished){ |
| var _44=this; |
| if(this.url!==""){ |
| if(this._loadInProgress){ |
| this._queuedFetches.push({args:_43}); |
| }else{ |
| this._loadInProgress=true; |
| var _45={url:_44.url,handleAs:"xml"}; |
| var _46=dojo.xhrGet(_45); |
| _46.addCallback(function(_47){ |
| var _48=_43.scope?_43.scope:dojo.global; |
| try{ |
| _44._processRawXmlTree(_47); |
| var _49=_44._identityMap[_43.identity]; |
| if(!_44.isItem(_49)){ |
| _49=null; |
| } |
| if(_43.onItem){ |
| _43.onItem.call(_48,_49); |
| } |
| _44._handleQueuedFetches(); |
| } |
| catch(error){ |
| if(_43.onError){ |
| _43.onError.call(_48,error); |
| } |
| } |
| }); |
| _46.addErrback(function(_4a){ |
| this._loadInProgress=false; |
| if(_43.onError){ |
| var _4b=_43.scope?_43.scope:dojo.global; |
| _43.onError.call(_4b,_4a); |
| } |
| }); |
| } |
| }else{ |
| if(this._opmlData){ |
| this._processRawXmlTree(this._opmlData); |
| this._opmlData=null; |
| var _4c=this._identityMap[_43.identity]; |
| if(!_44.isItem(_4c)){ |
| _4c=null; |
| } |
| if(_43.onItem){ |
| var _4d=_43.scope?_43.scope:dojo.global; |
| _43.onItem.call(_4d,_4c); |
| } |
| } |
| } |
| }else{ |
| var _4c=this._identityMap[_43.identity]; |
| if(!this.isItem(_4c)){ |
| _4c=null; |
| } |
| if(_43.onItem){ |
| var _4d=_43.scope?_43.scope:dojo.global; |
| _43.onItem.call(_4d,_4c); |
| } |
| } |
| },getIdentityAttributes:function(_4e){ |
| return null; |
| },_handleQueuedFetches:function(){ |
| if(this._queuedFetches.length>0){ |
| for(var i=0;i<this._queuedFetches.length;i++){ |
| var _4f=this._queuedFetches[i]; |
| var _50=_4f.args; |
| var _51=_4f.filter; |
| if(_51){ |
| _51(_50,this._getItemsArray(_50.queryOptions)); |
| }else{ |
| this.fetchItemByIdentity(_50); |
| } |
| } |
| this._queuedFetches=[]; |
| } |
| },close:function(_52){ |
| }}); |
| dojo.extend(dojox.data.OpmlStore,dojo.data.util.simpleFetch); |
| } |
