root / trunk / web / dojo / dojox / data / OpenSearchStore.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.data.OpenSearchStore"]){ |
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| 9 | dojo._hasResource["dojox.data.OpenSearchStore"]=true; |
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| 10 | dojo.provide("dojox.data.OpenSearchStore");
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| 11 | dojo.require("dojo.data.util.simpleFetch");
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| 12 | dojo.require("dojox.xml.DomParser");
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| 13 | dojo.require("dojox.xml.parser");
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| 14 | dojo.experimental("dojox.data.OpenSearchStore");
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| 15 | dojo.declare("dojox.data.OpenSearchStore",null,{constructor:function(_1){ |
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| 16 | if(_1){
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| 17 | this.label=_1.label;
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| 18 | this.url=_1.url;
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| 19 | this.itemPath=_1.itemPath;
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| 20 | if("urlPreventCache" in _1){ |
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| 21 | this.urlPreventCache=_1.urlPreventCache?true:false; |
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| 22 | } |
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| 23 | } |
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| 24 | var _2=dojo.xhrGet({url:this.url,handleAs:"xml",sync:true,preventCache:this.urlPreventCache}); |
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| 25 | _2.addCallback(this,"_processOsdd"); |
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| 26 | _2.addErrback(function(){
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| 27 | throw new Error("Unable to load OpenSearch Description document from ".args.url); |
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| 28 | }); |
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| 29 | },url:"",itemPath:"",_storeRef:"_S",urlElement:null,iframeElement:null,urlPreventCache:true,ATOM_CONTENT_TYPE:3,ATOM_CONTENT_TYPE_STRING:"atom",RSS_CONTENT_TYPE:2,RSS_CONTENT_TYPE_STRING:"rss",XML_CONTENT_TYPE:1,XML_CONTENT_TYPE_STRING:"xml",_assertIsItem:function(_3){ |
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| 30 | if(!this.isItem(_3)){ |
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| 31 | throw new Error("dojox.data.OpenSearchStore: a function was passed an item argument that was not an item"); |
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| 32 | } |
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| 33 | },_assertIsAttribute:function(_4){ |
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| 34 | if(typeof _4!=="string"){ |
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| 35 | throw new Error("dojox.data.OpenSearchStore: a function was passed an attribute argument that was not an attribute name string"); |
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| 36 | } |
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| 37 | },getFeatures:function(){ |
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| 38 | return {"dojo.data.api.Read":true}; |
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| 39 | },getValue:function(_5,_6,_7){ |
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| 40 | var _8=this.getValues(_5,_6); |
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| 41 | if(_8){
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| 42 | return _8[0]; |
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| 43 | } |
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| 44 | return _7;
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| 45 | },getAttributes:function(_9){ |
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| 46 | return ["content"]; |
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| 47 | },hasAttribute:function(_a,_b){ |
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| 48 | if(this.getValue(_a,_b)){ |
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| 49 | return true; |
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| 50 | } |
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| 51 | return false; |
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| 52 | },isItemLoaded:function(_c){ |
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| 53 | return this.isItem(_c); |
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| 54 | },loadItem:function(_d){ |
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| 55 | },getLabel:function(_e){ |
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| 56 | return undefined; |
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| 57 | },getLabelAttributes:function(_f){ |
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| 58 | return null; |
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| 59 | },containsValue:function(_10,_11,_12){ |
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| 60 | var _13=this.getValues(_10,_11); |
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| 61 | for(var i=0;i<_13.length;i++){ |
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| 62 | if(_13[i]===_12){
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| 63 | return true; |
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| 64 | } |
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| 65 | } |
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| 66 | return false; |
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| 67 | },getValues:function(_14,_15){ |
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| 68 | this._assertIsItem(_14);
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| 69 | this._assertIsAttribute(_15);
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| 70 | var _16=this.processItem(_14,_15); |
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| 71 | if(_16){
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| 72 | return [_16];
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| 73 | } |
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| 74 | return undefined; |
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| 75 | },isItem:function(_17){ |
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| 76 | if(_17&&_17[this._storeRef]===this){ |
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| 77 | return true; |
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| 78 | } |
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| 79 | return false; |
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| 80 | },close:function(_18){ |
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| 81 | },process:function(_19){ |
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| 82 | return this["_processOSD"+this.contentType](_19); |
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| 83 | },processItem:function(_1a,_1b){ |
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| 84 | return this["_processItem"+this.contentType](_1a.node,_1b); |
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| 85 | },_createSearchUrl:function(_1c){ |
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| 86 | var _1d=this.urlElement.attributes.getNamedItem("template").nodeValue; |
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| 87 | var _1e=this.urlElement.attributes; |
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| 88 | var _1f=_1d.indexOf("{searchTerms}"); |
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| 89 | _1d=_1d.substring(0,_1f)+_1c.query.searchTerms+_1d.substring(_1f+13); |
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| 90 | dojo.forEach([{"name":"count","test":_1c.count,"def":"10"},{"name":"startIndex","test":_1c.start,"def":this.urlElement.attributes.getNamedItem("indexOffset")?this.urlElement.attributes.getNamedItem("indexOffset").nodeValue:0},{"name":"startPage","test":_1c.startPage,"def":this.urlElement.attributes.getNamedItem("pageOffset")?this.urlElement.attributes.getNamedItem("pageOffset").nodeValue:0},{"name":"language","test":_1c.language,"def":"*"},{"name":"inputEncoding","test":_1c.inputEncoding,"def":"UTF-8"},{"name":"outputEncoding","test":_1c.outputEncoding,"def":"UTF-8"}],function(_20){
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| 91 | _1d=_1d.replace("{"+_20.name+"}",_20.test||_20.def); |
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| 92 | _1d=_1d.replace("{"+_20.name+"?}",_20.test||_20.def); |
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| 93 | }); |
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| 94 | return _1d;
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| 95 | },_fetchItems:function(_21,_22,_23){ |
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| 96 | if(!_21.query){
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| 97 | _21.query={};
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| 98 | } |
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| 99 | var _24=this; |
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| 100 | var url=this._createSearchUrl(_21); |
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| 101 | var _25={url:url,preventCache:this.urlPreventCache}; |
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| 102 | var xhr=dojo.xhrGet(_25);
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| 103 | xhr.addErrback(function(_26){
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| 104 | _23(_26,_21); |
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| 105 | }); |
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| 106 | xhr.addCallback(function(_27){
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| 107 | var _28=[];
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| 108 | if(_27){
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| 109 | _28=_24.process(_27); |
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| 110 | for(var i=0;i<_28.length;i++){ |
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| 111 | _28[i]={node:_28[i]};
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| 112 | _28[i][_24._storeRef]=_24; |
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| 113 | } |
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| 114 | } |
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| 115 | _22(_28,_21); |
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| 116 | }); |
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| 117 | },_processOSDxml:function(_29){ |
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| 118 | var div=dojo.doc.createElement("div"); |
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| 119 | div.innerHTML=_29; |
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| 120 | return dojo.query(this.itemPath,div); |
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| 121 | },_processItemxml:function(_2a,_2b){ |
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| 122 | if(_2b==="content"){ |
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| 123 | return _2a.innerHTML;
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| 124 | } |
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| 125 | return undefined; |
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| 126 | },_processOSDatom:function(_2c){ |
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| 127 | return this._processOSDfeed(_2c,"entry"); |
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| 128 | },_processItematom:function(_2d,_2e){ |
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| 129 | return this._processItemfeed(_2d,_2e,"content"); |
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| 130 | },_processOSDrss:function(_2f){ |
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| 131 | return this._processOSDfeed(_2f,"item"); |
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| 132 | },_processItemrss:function(_30,_31){ |
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| 133 | return this._processItemfeed(_30,_31,"description"); |
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| 134 | },_processOSDfeed:function(_32,_33){ |
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| 135 | _32=dojox.xml.parser.parse(_32); |
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| 136 | var _34=[];
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| 137 | var _35=_32.getElementsByTagName(_33);
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| 138 | for(var i=0;i<_35.length;i++){ |
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| 139 | _34.push(_35.item(i)); |
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| 140 | } |
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| 141 | return _34;
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| 142 | },_processItemfeed:function(_36,_37,_38){ |
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| 143 | if(_37==="content"){ |
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| 144 | var _39=_36.getElementsByTagName(_38).item(0); |
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| 145 | return this._getNodeXml(_39,true); |
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| 146 | } |
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| 147 | return undefined; |
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| 148 | },_getNodeXml:function(_3a,_3b){ |
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| 149 | var i;
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| 150 | switch(_3a.nodeType){
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| 151 | case 1: |
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| 152 | var xml=[];
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| 153 | if(!_3b){
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| 154 | xml.push("<"+_3a.tagName);
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| 155 | var _3c;
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| 156 | for(i=0;i<_3a.attributes.length;i++){ |
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| 157 | _3c=_3a.attributes.item(i); |
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| 158 | xml.push(" "+_3c.nodeName+"=\""+_3c.nodeValue+"\""); |
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| 159 | } |
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| 160 | xml.push(">");
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| 161 | } |
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| 162 | for(i=0;i<_3a.childNodes.length;i++){ |
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| 163 | xml.push(this._getNodeXml(_3a.childNodes.item(i)));
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| 164 | } |
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| 165 | if(!_3b){
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| 166 | xml.push("</"+_3a.tagName+">\n"); |
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| 167 | } |
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| 168 | return xml.join(""); |
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| 169 | case 3: |
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| 170 | case 4: |
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| 171 | return _3a.nodeValue;
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| 172 | } |
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| 173 | return undefined; |
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| 174 | },_processOsdd:function(doc){ |
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| 175 | var _3d=doc.getElementsByTagName("Url"); |
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| 176 | var _3e=[];
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| 177 | var _3f;
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| 178 | var i;
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| 179 | for(i=0;i<_3d.length;i++){ |
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| 180 | _3f=_3d[i].attributes.getNamedItem("type").nodeValue;
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| 181 | switch(_3f){
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| 182 | case "application/rss+xml": |
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| 183 | _3e[i]=this.RSS_CONTENT_TYPE;
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| 184 | break;
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| 185 | case "application/atom+xml": |
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| 186 | _3e[i]=this.ATOM_CONTENT_TYPE;
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| 187 | break;
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| 188 | default:
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| 189 | _3e[i]=this.XML_CONTENT_TYPE;
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| 190 | break;
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| 191 | } |
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| 192 | } |
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| 193 | var _40=0; |
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| 194 | var _41=_3e[0]; |
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| 195 | for(i=1;i<_3d.length;i++){ |
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| 196 | if(_3e[i]>_41){
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| 197 | _40=i; |
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| 198 | _41=_3e[i]; |
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| 199 | } |
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| 200 | } |
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| 201 | var _42=_3d[_40].nodeName.toLowerCase();
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| 202 | if(_42=="url"){ |
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| 203 | var _43=_3d[_40].attributes;
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| 204 | this.urlElement=_3d[_40];
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| 205 | switch(_3e[_40]){
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| 206 | case this.ATOM_CONTENT_TYPE: |
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| 207 | this.contentType=this.ATOM_CONTENT_TYPE_STRING; |
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| 208 | break;
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| 209 | case this.RSS_CONTENT_TYPE: |
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| 210 | this.contentType=this.RSS_CONTENT_TYPE_STRING; |
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| 211 | break;
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| 212 | case this.XML_CONTENT_TYPE: |
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| 213 | this.contentType=this.XML_CONTENT_TYPE_STRING; |
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| 214 | break;
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| 215 | } |
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| 216 | } |
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| 217 | }}); |
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| 218 | dojo.extend(dojox.data.OpenSearchStore,dojo.data.util.simpleFetch); |
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| 219 | } |