| /* |
| 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"; |
| },label:"text",url:"",_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,_9; |
| for(i=0;i<_6.length;++i){ |
| _9=_6[i]; |
| if(_9.nodeType!=1){ |
| _7.push(_9); |
| } |
| } |
| for(i=0;i<_7.length;++i){ |
| _9=_7[i]; |
| _4.removeChild(_9); |
| } |
| if(_5){ |
| for(i=0;i<_6.length;++i){ |
| _9=_6[i]; |
| this._removeChildNodesThatAreNotElementNodes(_9,_5); |
| } |
| } |
| },_processRawXmlTree:function(_a){ |
| this._loadFinished=true; |
| this._xmlData=_a; |
| var _b=_a.getElementsByTagName("head"); |
| var _c=_b[0]; |
| if(_c){ |
| this._removeChildNodesThatAreNotElementNodes(_c); |
| this._metadataNodes=_c.childNodes; |
| } |
| var _d=_a.getElementsByTagName("body"); |
| var _e=_d[0]; |
| if(_e){ |
| this._removeChildNodesThatAreNotElementNodes(_e,true); |
| var _f=_d[0].childNodes; |
| for(var i=0;i<_f.length;++i){ |
| var _11=_f[i]; |
| if(_11.tagName=="outline"){ |
| this._identityMap[this._identCount]=_11; |
| this._identCount++; |
| this._arrayOfTopLevelItems.push(_11); |
| this._arrayOfAllItems.push(_11); |
| this._checkChildNodes(_11); |
| } |
| } |
| } |
| },_checkChildNodes:function(_12){ |
| if(_12.firstChild){ |
| for(var i=0;i<_12.childNodes.length;i++){ |
| var _14=_12.childNodes[i]; |
| if(_14.tagName=="outline"){ |
| this._identityMap[this._identCount]=_14; |
| this._identCount++; |
| this._arrayOfAllItems.push(_14); |
| this._checkChildNodes(_14); |
| } |
| } |
| } |
| },_getItemsArray:function(_15){ |
| if(_15&&_15.deep){ |
| return this._arrayOfAllItems; |
| } |
| return this._arrayOfTopLevelItems; |
| },getValue:function(_16,_17,_18){ |
| this._assertIsItem(_16); |
| this._assertIsAttribute(_17); |
| if(_17=="children"){ |
| return (_16.firstChild||_18); |
| }else{ |
| var _19=_16.getAttribute(_17); |
| return (_19!==undefined)?_19:_18; |
| } |
| },getValues:function(_1a,_1b){ |
| this._assertIsItem(_1a); |
| this._assertIsAttribute(_1b); |
| var _1c=[]; |
| if(_1b=="children"){ |
| for(var i=0;i<_1a.childNodes.length;++i){ |
| _1c.push(_1a.childNodes[i]); |
| } |
| }else{ |
| if(_1a.getAttribute(_1b)!==null){ |
| _1c.push(_1a.getAttribute(_1b)); |
| } |
| } |
| return _1c; |
| },getAttributes:function(_1e){ |
| this._assertIsItem(_1e); |
| var _1f=[]; |
| var _20=_1e; |
| var _21=_20.attributes; |
| for(var i=0;i<_21.length;++i){ |
| var _23=_21.item(i); |
| _1f.push(_23.nodeName); |
| } |
| if(_20.childNodes.length>0){ |
| _1f.push("children"); |
| } |
| return _1f; |
| },hasAttribute:function(_24,_25){ |
| return (this.getValues(_24,_25).length>0); |
| },containsValue:function(_26,_27,_28){ |
| var _29=undefined; |
| if(typeof _28==="string"){ |
| _29=dojo.data.util.filter.patternToRegExp(_28,false); |
| } |
| return this._containsValue(_26,_27,_28,_29); |
| },_containsValue:function(_2a,_2b,_2c,_2d){ |
| var _2e=this.getValues(_2a,_2b); |
| for(var i=0;i<_2e.length;++i){ |
| var _30=_2e[i]; |
| if(typeof _30==="string"&&_2d){ |
| return (_30.match(_2d)!==null); |
| }else{ |
| if(_2c===_30){ |
| return true; |
| } |
| } |
| } |
| return false; |
| },isItem:function(_31){ |
| return (_31&&_31.nodeType==1&&_31.tagName=="outline"&&_31.ownerDocument===this._xmlData); |
| },isItemLoaded:function(_32){ |
| return this.isItem(_32); |
| },loadItem:function(_33){ |
| },getLabel:function(_34){ |
| if(this.isItem(_34)){ |
| return this.getValue(_34,this.label); |
| } |
| return undefined; |
| },getLabelAttributes:function(_35){ |
| return [this.label]; |
| },_fetchItems:function(_36,_37,_38){ |
| var _39=this; |
| var _3a=function(_3b,_3c){ |
| var _3d=null; |
| if(_3b.query){ |
| _3d=[]; |
| var _3e=_3b.queryOptions?_3b.queryOptions.ignoreCase:false; |
| var _3f={}; |
| for(var key in _3b.query){ |
| var _41=_3b.query[key]; |
| if(typeof _41==="string"){ |
| _3f[key]=dojo.data.util.filter.patternToRegExp(_41,_3e); |
| } |
| } |
| for(var i=0;i<_3c.length;++i){ |
| var _43=true; |
| var _44=_3c[i]; |
| for(var key in _3b.query){ |
| var _41=_3b.query[key]; |
| if(!_39._containsValue(_44,key,_41,_3f[key])){ |
| _43=false; |
| } |
| } |
| if(_43){ |
| _3d.push(_44); |
| } |
| } |
| }else{ |
| if(_3c.length>0){ |
| _3d=_3c.slice(0,_3c.length); |
| } |
| } |
| _37(_3d,_3b); |
| }; |
| if(this._loadFinished){ |
| _3a(_36,this._getItemsArray(_36.queryOptions)); |
| }else{ |
| if(this._loadInProgress){ |
| this._queuedFetches.push({args:_36,filter:_3a}); |
| }else{ |
| if(this.url!==""){ |
| this._loadInProgress=true; |
| var _45={url:_39.url,handleAs:"xml"}; |
| var _46=dojo.xhrGet(_45); |
| _46.addCallback(function(_47){ |
| _39._processRawXmlTree(_47); |
| _3a(_36,_39._getItemsArray(_36.queryOptions)); |
| _39._handleQueuedFetches(); |
| }); |
| _46.addErrback(function(_48){ |
| throw _48; |
| }); |
| }else{ |
| if(this._opmlData){ |
| this._processRawXmlTree(this._opmlData); |
| this._opmlData=null; |
| _3a(_36,this._getItemsArray(_36.queryOptions)); |
| }else{ |
| throw new Error("dojox.data.OpmlStore: No OPML source data was provided as either URL or XML data input."); |
| } |
| } |
| } |
| } |
| },getFeatures:function(){ |
| var _49={"dojo.data.api.Read":true,"dojo.data.api.Identity":true}; |
| return _49; |
| },getIdentity:function(_4a){ |
| if(this.isItem(_4a)){ |
| for(var i in this._identityMap){ |
| if(this._identityMap[i]===_4a){ |
| return i; |
| } |
| } |
| } |
| return null; |
| },fetchItemByIdentity:function(_4c){ |
| if(!this._loadFinished){ |
| var _4d=this; |
| if(this.url!==""){ |
| if(this._loadInProgress){ |
| this._queuedFetches.push({args:_4c}); |
| }else{ |
| this._loadInProgress=true; |
| var _4e={url:_4d.url,handleAs:"xml"}; |
| var _4f=dojo.xhrGet(_4e); |
| _4f.addCallback(function(_50){ |
| var _51=_4c.scope?_4c.scope:dojo.global; |
| try{ |
| _4d._processRawXmlTree(_50); |
| var _52=_4d._identityMap[_4c.identity]; |
| if(!_4d.isItem(_52)){ |
| _52=null; |
| } |
| if(_4c.onItem){ |
| _4c.onItem.call(_51,_52); |
| } |
| _4d._handleQueuedFetches(); |
| } |
| catch(error){ |
| if(_4c.onError){ |
| _4c.onError.call(_51,error); |
| } |
| } |
| }); |
| _4f.addErrback(function(_53){ |
| this._loadInProgress=false; |
| if(_4c.onError){ |
| var _54=_4c.scope?_4c.scope:dojo.global; |
| _4c.onError.call(_54,_53); |
| } |
| }); |
| } |
| }else{ |
| if(this._opmlData){ |
| this._processRawXmlTree(this._opmlData); |
| this._opmlData=null; |
| var _55=this._identityMap[_4c.identity]; |
| if(!_4d.isItem(_55)){ |
| _55=null; |
| } |
| if(_4c.onItem){ |
| var _56=_4c.scope?_4c.scope:dojo.global; |
| _4c.onItem.call(_56,_55); |
| } |
| } |
| } |
| }else{ |
| var _55=this._identityMap[_4c.identity]; |
| if(!this.isItem(_55)){ |
| _55=null; |
| } |
| if(_4c.onItem){ |
| var _56=_4c.scope?_4c.scope:dojo.global; |
| _4c.onItem.call(_56,_55); |
| } |
| } |
| },getIdentityAttributes:function(_57){ |
| return null; |
| },_handleQueuedFetches:function(){ |
| if(this._queuedFetches.length>0){ |
| for(var i=0;i<this._queuedFetches.length;i++){ |
| var _59=this._queuedFetches[i]; |
| var _5a=_59.args; |
| var _5b=_59.filter; |
| if(_5b){ |
| _5b(_5a,this._getItemsArray(_5a.queryOptions)); |
| }else{ |
| this.fetchItemByIdentity(_5a); |
| } |
| } |
| this._queuedFetches=[]; |
| } |
| },close:function(_5c){ |
| }}); |
| dojo.extend(dojox.data.OpmlStore,dojo.data.util.simpleFetch); |
| } |
