root / trunk / web / dojo / dojox / data / GoogleSearchStore.js @ 10
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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.GoogleSearchStore"]){ |
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| 9 | dojo._hasResource["dojox.data.GoogleSearchStore"]=true; |
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| 10 | dojo.provide("dojox.data.GoogleSearchStore");
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| 11 | dojo.provide("dojox.data.GoogleWebSearchStore");
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| 12 | dojo.provide("dojox.data.GoogleBlogSearchStore");
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| 13 | dojo.provide("dojox.data.GoogleLocalSearchStore");
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| 14 | dojo.provide("dojox.data.GoogleVideoSearchStore");
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| 15 | dojo.provide("dojox.data.GoogleNewsSearchStore");
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| 16 | dojo.provide("dojox.data.GoogleBookSearchStore");
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| 17 | dojo.provide("dojox.data.GoogleImageSearchStore");
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| 18 | dojo.require("dojo.io.script");
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| 19 | dojo.experimental("dojox.data.GoogleSearchStore");
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| 20 | dojo.declare("dojox.data.GoogleSearchStore",null,{constructor:function(_1){ |
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| 21 | if(_1){
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| 22 | if(_1.label){
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| 23 | this.label=_1.label;
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| 24 | } |
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| 25 | if(_1.key){
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| 26 | this._key=_1.key;
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| 27 | } |
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| 28 | if(_1.lang){
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| 29 | this._lang=_1.lang;
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| 30 | } |
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| 31 | if("urlPreventCache" in _1){ |
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| 32 | this.urlPreventCache=_1.urlPreventCache?true:false; |
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| 33 | } |
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| 34 | } |
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| 35 | this._id=dojox.data.GoogleSearchStore.prototype._id++;
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| 36 | },_id:0,_requestCount:0,_googleUrl:"http://ajax.googleapis.com/ajax/services/search/",_storeRef:"_S",_attributes:["unescapedUrl","url","visibleUrl","cacheUrl","title","titleNoFormatting","content","estimatedResultCount"],_aggregatedAttributes:{estimatedResultCount:"cursor.estimatedResultCount"},label:"titleNoFormatting",_type:"web",urlPreventCache:true,_queryAttrs:{text:"q"},_assertIsItem:function(_2){ |
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| 37 | if(!this.isItem(_2)){ |
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| 38 | throw new Error("dojox.data.GoogleSearchStore: a function was passed an item argument that was not an item"); |
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| 39 | } |
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| 40 | },_assertIsAttribute:function(_3){ |
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| 41 | if(typeof _3!=="string"){ |
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| 42 | throw new Error("dojox.data.GoogleSearchStore: a function was passed an attribute argument that was not an attribute name string"); |
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| 43 | } |
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| 44 | },getFeatures:function(){ |
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| 45 | return {"dojo.data.api.Read":true}; |
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| 46 | },getValue:function(_4,_5,_6){ |
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| 47 | var _7=this.getValues(_4,_5); |
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| 48 | if(_7&&_7.length>0){ |
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| 49 | return _7[0]; |
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| 50 | } |
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| 51 | return _6;
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| 52 | },getAttributes:function(_8){ |
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| 53 | return this._attributes; |
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| 54 | },hasAttribute:function(_9,_a){ |
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| 55 | if(this.getValue(_9,_a)){ |
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| 56 | return true; |
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| 57 | } |
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| 58 | return false; |
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| 59 | },isItemLoaded:function(_b){ |
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| 60 | return this.isItem(_b); |
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| 61 | },loadItem:function(_c){ |
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| 62 | },getLabel:function(_d){ |
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| 63 | return this.getValue(_d,this.label); |
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| 64 | },getLabelAttributes:function(_e){ |
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| 65 | return [this.label]; |
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| 66 | },containsValue:function(_f,_10,_11){ |
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| 67 | var _12=this.getValues(_f,_10); |
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| 68 | for(var i=0;i<_12.length;i++){ |
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| 69 | if(_12[i]===_11){
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| 70 | return true; |
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| 71 | } |
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| 72 | } |
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| 73 | return false; |
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| 74 | },getValues:function(_13,_14){ |
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| 75 | this._assertIsItem(_13);
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| 76 | this._assertIsAttribute(_14);
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| 77 | var val=_13[_14];
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| 78 | if(dojo.isArray(val)){
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| 79 | return val;
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| 80 | }else{
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| 81 | if(val!==undefined){ |
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| 82 | return [val];
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| 83 | }else{
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| 84 | return [];
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| 85 | } |
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| 86 | } |
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| 87 | },isItem:function(_15){ |
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| 88 | if(_15&&_15[this._storeRef]===this){ |
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| 89 | return true; |
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| 90 | } |
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| 91 | return false; |
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| 92 | },close:function(_16){ |
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| 93 | },_format:function(_17,_18){ |
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| 94 | return _17;
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| 95 | },fetch:function(_19){ |
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| 96 | _19=_19||{};
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| 97 | var _1a=_19.scope||dojo.global;
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| 98 | if(!_19.query){
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| 99 | if(_19.onError){
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| 100 | _19.onError.call(_1a,new Error(this.declaredClass+": A query must be specified.")); |
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| 101 | return;
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| 102 | } |
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| 103 | } |
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| 104 | var _1b={};
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| 105 | for(var _1c in this._queryAttrs){ |
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| 106 | _1b[_1c]=_19.query[_1c]; |
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| 107 | } |
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| 108 | _19={query:_1b,onComplete:_19.onComplete,onError:_19.onError,onItem:_19.onItem,onBegin:_19.onBegin,start:_19.start,count:_19.count};
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| 109 | var _1d=8; |
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| 110 | var _1e="GoogleSearchStoreCallback_"+this._id+"_"+(++this._requestCount); |
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| 111 | var _1f=this._createContent(_1b,_1e,_19); |
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| 112 | var _20;
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| 113 | if(typeof (_19.start)==="undefined"||_19.start===null){ |
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| 114 | _19.start=0;
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| 115 | } |
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| 116 | if(!_19.count){
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| 117 | _19.count=_1d; |
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| 118 | } |
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| 119 | _20={start:_19.start-_19.start%_1d};
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| 120 | var _21=this; |
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| 121 | var _22=this._googleUrl+this._type; |
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| 122 | var _23={url:_22,preventCache:this.urlPreventCache,content:_1f}; |
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| 123 | var _24=[];
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| 124 | var _25=0; |
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| 125 | var _26=false; |
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| 126 | var _27=_19.start-1; |
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| 127 | var _28=0; |
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| 128 | var _29=[];
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| 129 | function _2a(req){ |
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| 130 | _28++; |
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| 131 | _23.content.context=_23.content.start=req.start; |
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| 132 | var _2b=dojo.io.script.get(_23);
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| 133 | _29.push(_2b.ioArgs.id); |
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| 134 | _2b.addErrback(function(_2c){
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| 135 | if(_19.onError){
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| 136 | _19.onError.call(_1a,_2c,_19); |
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| 137 | } |
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| 138 | }); |
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| 139 | }; |
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| 140 | var _2d=function(_2e,_2f){ |
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| 141 | if(_29.length>0){ |
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| 142 | dojo.query("#"+_29.splice(0,1)).forEach(dojo.destroy); |
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| 143 | } |
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| 144 | if(_26){
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| 145 | return;
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| 146 | } |
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| 147 | var _30=_21._getItems(_2f);
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| 148 | var _31=_2f?_2f["cursor"]:null; |
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| 149 | if(_30){
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| 150 | for(var i=0;i<_30.length&&i+_2e<_19.count+_19.start;i++){ |
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| 151 | _21._processItem(_30[i],_2f); |
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| 152 | _24[i+_2e]=_30[i]; |
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| 153 | } |
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| 154 | _25++; |
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| 155 | if(_25==1){ |
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| 156 | var _32=_31?_31.pages:null; |
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| 157 | var _33=_32?Number(_32[_32.length-1].start):0; |
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| 158 | if(_19.onBegin){
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| 159 | var est=_31?_31.estimatedResultCount:_30.length;
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| 160 | var _34=est?Math.min(est,_33+_30.length):_33+_30.length;
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| 161 | _19.onBegin.call(_1a,_34,_19); |
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| 162 | } |
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| 163 | var _35=(_19.start-_19.start%_1d)+_1d;
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| 164 | var _36=1; |
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| 165 | while(_32){
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| 166 | if(!_32[_36]||Number(_32[_36].start)>=_19.start+_19.count){
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| 167 | break;
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| 168 | } |
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| 169 | if(Number(_32[_36].start)>=_35){
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| 170 | _2a({start:_32[_36].start});
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| 171 | } |
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| 172 | _36++; |
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| 173 | } |
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| 174 | } |
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| 175 | if(_19.onItem&&_24[_27+1]){ |
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| 176 | do{
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| 177 | _27++; |
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| 178 | _19.onItem.call(_1a,_24[_27],_19); |
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| 179 | }while(_24[_27+1]&&_27<_19.start+_19.count); |
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| 180 | } |
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| 181 | if(_25==_28){
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| 182 | _26=true;
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| 183 | dojo.global[_1e]=null;
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| 184 | if(_19.onItem){
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| 185 | _19.onComplete.call(_1a,null,_19);
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| 186 | }else{
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| 187 | _24=_24.slice(_19.start,_19.start+_19.count); |
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| 188 | _19.onComplete.call(_1a,_24,_19); |
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| 189 | } |
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| 190 | } |
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| 191 | } |
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| 192 | }; |
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| 193 | var _37=[];
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| 194 | var _38=_20.start-1; |
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| 195 | dojo.global[_1e]=function(_39,_3a,_3b,_3c){
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| 196 | try{
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| 197 | if(_3b!=200){ |
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| 198 | if(_19.onError){
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| 199 | _19.onError.call(_1a,new Error("Response from Google was: "+_3b),_19); |
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| 200 | } |
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| 201 | dojo.global[_1e]=function(){
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| 202 | }; |
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| 203 | return;
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| 204 | } |
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| 205 | if(_39==_38+1){ |
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| 206 | _2d(Number(_39),_3a); |
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| 207 | _38+=_1d; |
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| 208 | if(_37.length>0){ |
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| 209 | _37.sort(_21._getSort()); |
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| 210 | while(_37.length>0&&_37[0].start==_38+1){ |
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| 211 | _2d(Number(_37[0].start),_37[0].data); |
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| 212 | _37.splice(0,1); |
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| 213 | _38+=_1d; |
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| 214 | } |
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| 215 | } |
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| 216 | }else{
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| 217 | _37.push({start:_39,data:_3a});
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| 218 | } |
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| 219 | } |
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| 220 | catch(e){
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| 221 | _19.onError.call(_1a,e,_19); |
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| 222 | } |
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| 223 | }; |
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| 224 | _2a(_20); |
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| 225 | },_getSort:function(){ |
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| 226 | return function(a,b){ |
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| 227 | if(a.start<b.start){
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| 228 | return -1; |
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| 229 | } |
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| 230 | if(b.start<a.start){
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| 231 | return 1; |
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| 232 | } |
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| 233 | return 0; |
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| 234 | }; |
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| 235 | },_processItem:function(_3d,_3e){ |
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| 236 | _3d[this._storeRef]=this; |
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| 237 | for(var _3f in this._aggregatedAttributes){ |
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| 238 | _3d[_3f]=dojo.getObject(this._aggregatedAttributes[_3f],false,_3e); |
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| 239 | } |
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| 240 | },_getItems:function(_40){ |
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| 241 | return _40["results"]||_40; |
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| 242 | },_createContent:function(_41,_42,_43){ |
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| 243 | var _44={v:"1.0",rsz:"large",callback:_42,key:this._key,hl:this._lang}; |
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| 244 | for(var _45 in this._queryAttrs){ |
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| 245 | _44[this._queryAttrs[_45]]=_41[_45];
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| 246 | } |
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| 247 | return _44;
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| 248 | }}); |
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| 249 | dojo.declare("dojox.data.GoogleWebSearchStore",dojox.data.GoogleSearchStore,{});
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| 250 | dojo.declare("dojox.data.GoogleBlogSearchStore",dojox.data.GoogleSearchStore,{_type:"blogs",_attributes:["blogUrl","postUrl","title","titleNoFormatting","content","author","publishedDate"],_aggregatedAttributes:{}}); |
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| 251 | dojo.declare("dojox.data.GoogleLocalSearchStore",dojox.data.GoogleSearchStore,{_type:"local",_attributes:["title","titleNoFormatting","url","lat","lng","streetAddress","city","region","country","phoneNumbers","ddUrl","ddUrlToHere","ddUrlFromHere","staticMapUrl","viewport"],_aggregatedAttributes:{viewport:"viewport"},_queryAttrs:{text:"q",centerLatLong:"sll",searchSpan:"sspn"}}); |
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| 252 | dojo.declare("dojox.data.GoogleVideoSearchStore",dojox.data.GoogleSearchStore,{_type:"video",_attributes:["title","titleNoFormatting","content","url","published","publisher","duration","tbWidth","tbHeight","tbUrl","playUrl"],_aggregatedAttributes:{}}); |
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| 253 | dojo.declare("dojox.data.GoogleNewsSearchStore",dojox.data.GoogleSearchStore,{_type:"news",_attributes:["title","titleNoFormatting","content","url","unescapedUrl","publisher","clusterUrl","location","publishedDate","relatedStories"],_aggregatedAttributes:{}}); |
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| 254 | dojo.declare("dojox.data.GoogleBookSearchStore",dojox.data.GoogleSearchStore,{_type:"books",_attributes:["title","titleNoFormatting","authors","url","unescapedUrl","bookId","pageCount","publishedYear"],_aggregatedAttributes:{}}); |
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| 255 | dojo.declare("dojox.data.GoogleImageSearchStore",dojox.data.GoogleSearchStore,{_type:"images",_attributes:["title","titleNoFormatting","visibleUrl","url","unescapedUrl","originalContextUrl","width","height","tbWidth","tbHeight","tbUrl","content","contentNoFormatting"],_aggregatedAttributes:{}}); |
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| 256 | } |