| /* |
| 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.AtomReadStore"]){ |
| dojo._hasResource["dojox.data.AtomReadStore"]=true; |
| dojo.provide("dojox.data.AtomReadStore"); |
| dojo.require("dojo.data.util.simpleFetch"); |
| dojo.require("dojo.data.util.filter"); |
| dojo.require("dojo.date.stamp"); |
| dojo.experimental("dojox.data.AtomReadStore"); |
| dojo.declare("dojox.data.AtomReadStore",null,{constructor:function(_1){ |
| if(_1){ |
| this.url=_1.url; |
| this.rewriteUrl=_1.rewriteUrl; |
| this.label=_1.label||this.label; |
| this.sendQuery=(_1.sendQuery||_1.sendquery||this.sendQuery); |
| this.unescapeHTML=_1.unescapeHTML; |
| if("urlPreventCache" in _1){ |
| this.urlPreventCache=_1.urlPreventCache?true:false; |
| } |
| } |
| if(!this.url){ |
| throw new Error("AtomReadStore: a URL must be specified when creating the data store"); |
| } |
| },url:"",label:"title",sendQuery:false,unescapeHTML:false,urlPreventCache:false,getValue:function(_2,_3,_4){ |
| this._assertIsItem(_2); |
| this._assertIsAttribute(_3); |
| this._initItem(_2); |
| _3=_3.toLowerCase(); |
| if(!_2._attribs[_3]&&!_2._parsed){ |
| this._parseItem(_2); |
| _2._parsed=true; |
| } |
| var _5=_2._attribs[_3]; |
| if(!_5&&_3=="summary"){ |
| var _6=this.getValue(_2,"content"); |
| var _7=new RegExp("/(<([^>]+)>)/g","i"); |
| var _8=_6.text.replace(_7,""); |
| _5={text:_8.substring(0,Math.min(400,_8.length)),type:"text"}; |
| _2._attribs[_3]=_5; |
| } |
| if(_5&&this.unescapeHTML){ |
| if((_3=="content"||_3=="summary"||_3=="subtitle")&&!_2["_"+_3+"Escaped"]){ |
| _5.text=this._unescapeHTML(_5.text); |
| _2["_"+_3+"Escaped"]=true; |
| } |
| } |
| return _5?dojo.isArray(_5)?_5[0]:_5:_4; |
| },getValues:function(_9,_a){ |
| this._assertIsItem(_9); |
| this._assertIsAttribute(_a); |
| this._initItem(_9); |
| _a=_a.toLowerCase(); |
| if(!_9._attribs[_a]){ |
| this._parseItem(_9); |
| } |
| var _b=_9._attribs[_a]; |
| return _b?((_b.length!==undefined&&typeof (_b)!=="string")?_b:[_b]):undefined; |
| },getAttributes:function(_c){ |
| this._assertIsItem(_c); |
| if(!_c._attribs){ |
| this._initItem(_c); |
| this._parseItem(_c); |
| } |
| var _d=[]; |
| for(var x in _c._attribs){ |
| _d.push(x); |
| } |
| return _d; |
| },hasAttribute:function(_e,_f){ |
| return (this.getValue(_e,_f)!==undefined); |
| },containsValue:function(_10,_11,_12){ |
| var _13=this.getValues(_10,_11); |
| for(var i=0;i<_13.length;i++){ |
| if((typeof _12==="string")){ |
| if(_13[i].toString&&_13[i].toString()===_12){ |
| return true; |
| } |
| }else{ |
| if(_13[i]===_12){ |
| return true; |
| } |
| } |
| } |
| return false; |
| },isItem:function(_14){ |
| if(_14&&_14.element&&_14.store&&_14.store===this){ |
| return true; |
| } |
| return false; |
| },isItemLoaded:function(_15){ |
| return this.isItem(_15); |
| },loadItem:function(_16){ |
| },getFeatures:function(){ |
| var _17={"dojo.data.api.Read":true}; |
| return _17; |
| },getLabel:function(_18){ |
| if((this.label!=="")&&this.isItem(_18)){ |
| var _19=this.getValue(_18,this.label); |
| if(_19&&_19.text){ |
| return _19.text; |
| }else{ |
| if(_19){ |
| return _19.toString(); |
| }else{ |
| return undefined; |
| } |
| } |
| } |
| return undefined; |
| },getLabelAttributes:function(_1a){ |
| if(this.label!==""){ |
| return [this.label]; |
| } |
| return null; |
| },getFeedValue:function(_1b,_1c){ |
| var _1d=this.getFeedValues(_1b,_1c); |
| if(dojo.isArray(_1d)){ |
| return _1d[0]; |
| } |
| return _1d; |
| },getFeedValues:function(_1e,_1f){ |
| if(!this.doc){ |
| return _1f; |
| } |
| if(!this._feedMetaData){ |
| this._feedMetaData={element:this.doc.getElementsByTagName("feed")[0],store:this,_attribs:{}}; |
| this._parseItem(this._feedMetaData); |
| } |
| return this._feedMetaData._attribs[_1e]||_1f; |
| },_initItem:function(_20){ |
| if(!_20._attribs){ |
| _20._attribs={}; |
| } |
| },_fetchItems:function(_21,_22,_23){ |
| var url=this._getFetchUrl(_21); |
| if(!url){ |
| _23(new Error("No URL specified.")); |
| return; |
| } |
| var _24=(!this.sendQuery?_21:null); |
| var _25=this; |
| var _26=function(_27){ |
| _25.doc=_27; |
| var _28=_25._getItems(_27,_24); |
| var _29=_21.query; |
| if(_29){ |
| if(_29.id){ |
| _28=dojo.filter(_28,function(_2a){ |
| return (_25.getValue(_2a,"id")==_29.id); |
| }); |
| }else{ |
| if(_29.category){ |
| _28=dojo.filter(_28,function(_2b){ |
| var _2c=_25.getValues(_2b,"category"); |
| if(!_2c){ |
| return false; |
| } |
| return dojo.some(_2c,"return item.term=='"+_29.category+"'"); |
| }); |
| } |
| } |
| } |
| if(_28&&_28.length>0){ |
| _22(_28,_21); |
| }else{ |
| _22([],_21); |
| } |
| }; |
| if(this.doc){ |
| _26(this.doc); |
| }else{ |
| var _2d={url:url,handleAs:"xml",preventCache:this.urlPreventCache}; |
| var _2e=dojo.xhrGet(_2d); |
| _2e.addCallback(_26); |
| _2e.addErrback(function(_2f){ |
| _23(_2f,_21); |
| }); |
| } |
| },_getFetchUrl:function(_30){ |
| if(!this.sendQuery){ |
| return this.url; |
| } |
| var _31=_30.query; |
| if(!_31){ |
| return this.url; |
| } |
| if(dojo.isString(_31)){ |
| return this.url+_31; |
| } |
| var _32=""; |
| for(var _33 in _31){ |
| var _34=_31[_33]; |
| if(_34){ |
| if(_32){ |
| _32+="&"; |
| } |
| _32+=(_33+"="+_34); |
| } |
| } |
| if(!_32){ |
| return this.url; |
| } |
| var _35=this.url; |
| if(_35.indexOf("?")<0){ |
| _35+="?"; |
| }else{ |
| _35+="&"; |
| } |
| return _35+_32; |
| },_getItems:function(_36,_37){ |
| if(this._items){ |
| return this._items; |
| } |
| var _38=[]; |
| var _39=[]; |
| if(_36.childNodes.length<1){ |
| this._items=_38; |
| return _38; |
| } |
| var _3a=dojo.filter(_36.childNodes,"return item.tagName && item.tagName.toLowerCase() == 'feed'"); |
| var _3b=_37.query; |
| if(!_3a||_3a.length!=1){ |
| return _38; |
| } |
| _39=dojo.filter(_3a[0].childNodes,"return item.tagName && item.tagName.toLowerCase() == 'entry'"); |
| if(_37.onBegin){ |
| _37.onBegin(_39.length,this.sendQuery?_37:{}); |
| } |
| for(var i=0;i<_39.length;i++){ |
| var _3c=_39[i]; |
| if(_3c.nodeType!=1){ |
| continue; |
| } |
| _38.push(this._getItem(_3c)); |
| } |
| this._items=_38; |
| return _38; |
| },close:function(_3d){ |
| },_getItem:function(_3e){ |
| return {element:_3e,store:this}; |
| },_parseItem:function(_3f){ |
| var _40=_3f._attribs; |
| var _41=this; |
| var _42,_43; |
| function _44(_45){ |
| var txt=_45.textContent||_45.innerHTML||_45.innerXML; |
| if(!txt&&_45.childNodes[0]){ |
| var _46=_45.childNodes[0]; |
| if(_46&&(_46.nodeType==3||_46.nodeType==4)){ |
| txt=_45.childNodes[0].nodeValue; |
| } |
| } |
| return txt; |
| }; |
| function _47(_48){ |
| return {text:_44(_48),type:_48.getAttribute("type")}; |
| }; |
| dojo.forEach(_3f.element.childNodes,function(_49){ |
| var _4a=_49.tagName?_49.tagName.toLowerCase():""; |
| switch(_4a){ |
| case "title": |
| _40[_4a]={text:_44(_49),type:_49.getAttribute("type")}; |
| break; |
| case "subtitle": |
| case "summary": |
| case "content": |
| _40[_4a]=_47(_49); |
| break; |
| case "author": |
| var _4b,_4c; |
| dojo.forEach(_49.childNodes,function(_4d){ |
| if(!_4d.tagName){ |
| return; |
| } |
| switch(_4d.tagName.toLowerCase()){ |
| case "name": |
| _4b=_4d; |
| break; |
| case "uri": |
| _4c=_4d; |
| break; |
| } |
| }); |
| var _4e={}; |
| if(_4b&&_4b.length==1){ |
| _4e.name=_44(_4b[0]); |
| } |
| if(_4c&&_4c.length==1){ |
| _4e.uri=_44(_4c[0]); |
| } |
| _40[_4a]=_4e; |
| break; |
| case "id": |
| _40[_4a]=_44(_49); |
| break; |
| case "updated": |
| _40[_4a]=dojo.date.stamp.fromISOString(_44(_49)); |
| break; |
| case "published": |
| _40[_4a]=dojo.date.stamp.fromISOString(_44(_49)); |
| break; |
| case "category": |
| if(!_40[_4a]){ |
| _40[_4a]=[]; |
| } |
| _40[_4a].push({scheme:_49.getAttribute("scheme"),term:_49.getAttribute("term")}); |
| break; |
| case "link": |
| if(!_40[_4a]){ |
| _40[_4a]=[]; |
| } |
| var _4f={rel:_49.getAttribute("rel"),href:_49.getAttribute("href"),type:_49.getAttribute("type")}; |
| _40[_4a].push(_4f); |
| if(_4f.rel=="alternate"){ |
| _40["alternate"]=_4f; |
| } |
| break; |
| default: |
| break; |
| } |
| }); |
| },_unescapeHTML:function(_50){ |
| _50=_50.replace(/’/m,"'").replace(/″/m,"\"").replace(/</m,">").replace(/>/m,"<").replace(/&/m,"&"); |
| return _50; |
| },_assertIsItem:function(_51){ |
| if(!this.isItem(_51)){ |
| throw new Error("dojox.data.AtomReadStore: Invalid item argument."); |
| } |
| },_assertIsAttribute:function(_52){ |
| if(typeof _52!=="string"){ |
| throw new Error("dojox.data.AtomReadStore: Invalid attribute argument."); |
| } |
| }}); |
| dojo.extend(dojox.data.AtomReadStore,dojo.data.util.simpleFetch); |
| } |
