root / trunk / web / dojo / dojox / data / FlickrRestStore.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.FlickrRestStore"]){ |
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| 9 | dojo._hasResource["dojox.data.FlickrRestStore"]=true; |
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| 10 | dojo.provide("dojox.data.FlickrRestStore");
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| 11 | dojo.require("dojox.data.FlickrStore");
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| 12 | dojo.declare("dojox.data.FlickrRestStore",dojox.data.FlickrStore,{constructor:function(_1){ |
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| 13 | if(_1){
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| 14 | if(_1.label){
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| 15 | this.label=_1.label;
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| 16 | } |
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| 17 | if(_1.apikey){
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| 18 | this._apikey=_1.apikey;
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| 19 | } |
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| 20 | } |
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| 21 | this._cache=[];
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| 22 | this._prevRequests={};
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| 23 | this._handlers={};
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| 24 | this._prevRequestRanges=[];
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| 25 | this._maxPhotosPerUser={};
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| 26 | this._id=dojox.data.FlickrRestStore.prototype._id++;
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| 27 | },_id:0,_requestCount:0,_flickrRestUrl:"http://www.flickr.com/services/rest/",_apikey:null,_storeRef:"_S",_cache:null,_prevRequests:null,_handlers:null,_sortAttributes:{"date-posted":true,"date-taken":true,"interestingness":true},_fetchItems:function(_2,_3,_4){ |
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| 28 | var _5={};
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| 29 | if(!_2.query){
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| 30 | _2.query=_5={};
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| 31 | }else{
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| 32 | dojo.mixin(_5,_2.query); |
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| 33 | } |
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| 34 | var _6=[];
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| 35 | var _7=[];
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| 36 | var _8={format:"json",method:"flickr.photos.search",api_key:this._apikey,extras:"owner_name,date_upload,date_taken"}; |
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| 37 | var _9=false; |
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| 38 | if(_5.userid){
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| 39 | _9=true;
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| 40 | _8.user_id=_2.query.userid; |
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| 41 | _6.push("userid"+_2.query.userid);
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| 42 | } |
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| 43 | if(_5.groupid){
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| 44 | _9=true;
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| 45 | _8.group_id=_5.groupid; |
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| 46 | _6.push("groupid"+_5.groupid);
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| 47 | } |
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| 48 | if(_5.apikey){
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| 49 | _9=true;
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| 50 | _8.api_key=_2.query.apikey; |
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| 51 | _7.push("api"+_2.query.apikey);
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| 52 | }else{
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| 53 | if(_8.api_key){
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| 54 | _9=true;
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| 55 | _2.query.apikey=_8.api_key; |
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| 56 | _7.push("api"+_8.api_key);
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| 57 | }else{
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| 58 | throw Error("dojox.data.FlickrRestStore: An API key must be specified."); |
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| 59 | } |
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| 60 | } |
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| 61 | _2._curCount=_2.count; |
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| 62 | if(_5.page){
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| 63 | _8.page=_2.query.page; |
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| 64 | _7.push("page"+_8.page);
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| 65 | }else{
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| 66 | if(("start" in _2)&&_2.start!==null){ |
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| 67 | if(!_2.count){
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| 68 | _2.count=20;
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| 69 | } |
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| 70 | var _a=_2.start%_2.count;
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| 71 | var _b=_2.start,_c=_2.count;
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| 72 | if(_a!==0){ |
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| 73 | if(_b<_c/2){ |
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| 74 | _c=_b+_c; |
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| 75 | _b=0;
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| 76 | }else{
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| 77 | var _d=20,_e=2; |
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| 78 | for(var i=_d;i>0;i--){ |
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| 79 | if(_b%i===0&&(_b/i)>=_c){ |
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| 80 | _e=i; |
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| 81 | break;
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| 82 | } |
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| 83 | } |
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| 84 | _c=_b/_e; |
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| 85 | } |
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| 86 | _2._realStart=_2.start; |
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| 87 | _2._realCount=_2.count; |
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| 88 | _2._curStart=_b; |
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| 89 | _2._curCount=_c; |
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| 90 | }else{
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| 91 | _2._realStart=_2._realCount=null;
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| 92 | _2._curStart=_2.start; |
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| 93 | _2._curCount=_2.count; |
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| 94 | } |
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| 95 | _8.page=(_b/_c)+1;
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| 96 | _7.push("page"+_8.page);
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| 97 | } |
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| 98 | } |
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| 99 | if(_2._curCount){
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| 100 | _8.per_page=_2._curCount; |
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| 101 | _7.push("count"+_2._curCount);
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| 102 | } |
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| 103 | if(_5.lang){
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| 104 | _8.lang=_2.query.lang; |
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| 105 | _6.push("lang"+_2.lang);
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| 106 | } |
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| 107 | if(_5.setid){
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| 108 | _8.method="flickr.photosets.getPhotos";
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| 109 | _8.photoset_id=_2.query.setid; |
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| 110 | _6.push("set"+_2.query.setid);
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| 111 | } |
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| 112 | if(_5.tags){
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| 113 | if(_5.tags instanceof Array){ |
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| 114 | _8.tags=_5.tags.join(",");
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| 115 | }else{
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| 116 | _8.tags=_5.tags; |
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| 117 | } |
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| 118 | _6.push("tags"+_8.tags);
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| 119 | if(_5["tag_mode"]&&(_5.tag_mode.toLowerCase()==="any"||_5.tag_mode.toLowerCase()==="all")){ |
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| 120 | _8.tag_mode=_5.tag_mode; |
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| 121 | } |
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| 122 | } |
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| 123 | if(_5.text){
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| 124 | _8.text=_5.text; |
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| 125 | _6.push("text:"+_5.text);
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| 126 | } |
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| 127 | if(_5.sort&&_5.sort.length>0){ |
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| 128 | if(!_5.sort[0].attribute){ |
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| 129 | _5.sort[0].attribute="date-posted"; |
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| 130 | } |
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| 131 | if(this._sortAttributes[_5.sort[0].attribute]){ |
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| 132 | if(_5.sort[0].descending){ |
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| 133 | _8.sort=_5.sort[0].attribute+"-desc"; |
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| 134 | }else{
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| 135 | _8.sort=_5.sort[0].attribute+"-asc"; |
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| 136 | } |
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| 137 | } |
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| 138 | }else{
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| 139 | _8.sort="date-posted-asc";
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| 140 | } |
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| 141 | _6.push("sort:"+_8.sort);
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| 142 | _6=_6.join(".");
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| 143 | _7=_7.length>0?"."+_7.join("."):""; |
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| 144 | var _f=_6+_7;
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| 145 | _2={query:_5,count:_2._curCount,start:_2._curStart,_realCount:_2._realCount,_realStart:_2._realStart,onBegin:_2.onBegin,onComplete:_2.onComplete,onItem:_2.onItem};
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| 146 | var _10={request:_2,fetchHandler:_3,errorHandler:_4}; |
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| 147 | if(this._handlers[_f]){ |
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| 148 | this._handlers[_f].push(_10);
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| 149 | return;
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| 150 | } |
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| 151 | this._handlers[_f]=[_10];
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| 152 | var _11=null; |
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| 153 | var _12={url:this._flickrRestUrl,preventCache:this.urlPreventCache,content:_8,callbackParamName:"jsoncallback"}; |
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| 154 | var _13=dojo.hitch(this,function(_14,_15,_16){ |
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| 155 | var _17=_16.request.onBegin;
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| 156 | _16.request.onBegin=null;
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| 157 | var _18;
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| 158 | var req=_16.request;
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| 159 | if(("_realStart" in req)&&req._realStart!=null){ |
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| 160 | req.start=req._realStart; |
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| 161 | req.count=req._realCount; |
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| 162 | req._realStart=req._realCount=null;
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| 163 | } |
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| 164 | if(_17){
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| 165 | var _19=null; |
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| 166 | if(_15){
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| 167 | _19=(_15.photoset?_15.photoset:_15.photos); |
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| 168 | } |
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| 169 | if(_19&&("perpage" in _19)&&("pages" in _19)){ |
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| 170 | if(_19.perpage*_19.pages<=_16.request.start+_16.request.count){
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| 171 | _18=_16.request.start+_19.photo.length; |
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| 172 | }else{
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| 173 | _18=_19.perpage*_19.pages; |
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| 174 | } |
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| 175 | this._maxPhotosPerUser[_6]=_18;
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| 176 | _17(_18,_16.request); |
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| 177 | }else{
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| 178 | if(this._maxPhotosPerUser[_6]){ |
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| 179 | _17(this._maxPhotosPerUser[_6],_16.request);
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| 180 | } |
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| 181 | } |
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| 182 | } |
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| 183 | _16.fetchHandler(_14,_16.request); |
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| 184 | if(_17){
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| 185 | _16.request.onBegin=_17; |
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| 186 | } |
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| 187 | }); |
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| 188 | var _1a=dojo.hitch(this,function(_1b){ |
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| 189 | if(_1b.stat!="ok"){ |
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| 190 | _4(null,_2);
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| 191 | }else{
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| 192 | var _1c=this._handlers[_f]; |
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| 193 | if(!_1c){
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| 194 | return;
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| 195 | } |
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| 196 | this._handlers[_f]=null; |
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| 197 | this._prevRequests[_f]=_1b;
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| 198 | var _1d=this._processFlickrData(_1b,_2,_6); |
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| 199 | if(!this._prevRequestRanges[_6]){ |
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| 200 | this._prevRequestRanges[_6]=[];
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| 201 | } |
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| 202 | this._prevRequestRanges[_6].push({start:_2.start,end:_2.start+(_1b.photoset?_1b.photoset.photo.length:_1b.photos.photo.length)}); |
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| 203 | dojo.forEach(_1c,function(i){
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| 204 | _13(_1d,_1b,i); |
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| 205 | }); |
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| 206 | } |
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| 207 | }); |
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| 208 | var _1e=this._prevRequests[_f]; |
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| 209 | if(_1e){
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| 210 | this._handlers[_f]=null; |
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| 211 | _13(this._cache[_6],_1e,_10);
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| 212 | return;
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| 213 | }else{
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| 214 | if(this._checkPrevRanges(_6,_2.start,_2.count)){ |
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| 215 | this._handlers[_f]=null; |
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| 216 | _13(this._cache[_6],null,_10); |
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| 217 | return;
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| 218 | } |
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| 219 | } |
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| 220 | var _1f=dojo.io.script.get(_12);
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| 221 | _1f.addCallback(_1a); |
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| 222 | _1f.addErrback(function(_20){
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| 223 | dojo.disconnect(_11); |
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| 224 | _4(_20,_2); |
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| 225 | }); |
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| 226 | },getAttributes:function(_21){ |
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| 227 | return ["title","author","imageUrl","imageUrlSmall","imageUrlMedium","imageUrlThumb","imageUrlLarge","imageUrlOriginal","link","dateTaken","datePublished"]; |
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| 228 | },getValues:function(_22,_23){ |
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| 229 | this._assertIsItem(_22);
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| 230 | this._assertIsAttribute(_23);
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| 231 | switch(_23){
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| 232 | case "title": |
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| 233 | return [this._unescapeHtml(_22.title)]; |
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| 234 | case "author": |
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| 235 | return [_22.ownername];
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| 236 | case "imageUrlSmall": |
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| 237 | return [_22.media.s];
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| 238 | case "imageUrl": |
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| 239 | return [_22.media.l];
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| 240 | case "imageUrlOriginal": |
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| 241 | return [_22.media.o];
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| 242 | case "imageUrlLarge": |
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| 243 | return [_22.media.l];
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| 244 | case "imageUrlMedium": |
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| 245 | return [_22.media.m];
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| 246 | case "imageUrlThumb": |
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| 247 | return [_22.media.t];
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| 248 | case "link": |
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| 249 | return ["http://www.flickr.com/photos/"+_22.owner+"/"+_22.id]; |
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| 250 | case "dateTaken": |
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| 251 | return [_22.datetaken];
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| 252 | case "datePublished": |
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| 253 | return [_22.datepublished];
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| 254 | default:
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| 255 | return undefined; |
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| 256 | } |
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| 257 | },_processFlickrData:function(_24,_25,_26){ |
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| 258 | if(_24.items){
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| 259 | return dojox.data.FlickrStore.prototype._processFlickrData.apply(this,arguments); |
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| 260 | } |
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| 261 | var _27=["http://farm",null,".static.flickr.com/",null,"/",null,"_",null]; |
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| 262 | var _28=[];
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| 263 | var _29=(_24.photoset?_24.photoset:_24.photos);
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| 264 | if(_24.stat=="ok"&&_29&&_29.photo){ |
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| 265 | _28=_29.photo; |
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| 266 | for(var i=0;i<_28.length;i++){ |
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| 267 | var _2a=_28[i];
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| 268 | _2a[this._storeRef]=this; |
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| 269 | _27[1]=_2a.farm;
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| 270 | _27[3]=_2a.server;
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| 271 | _27[5]=_2a.id;
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| 272 | _27[7]=_2a.secret;
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| 273 | var _2b=_27.join(""); |
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| 274 | _2a.media={s:_2b+"_s.jpg",m:_2b+"_m.jpg",l:_2b+".jpg",t:_2b+"_t.jpg",o:_2b+"_o.jpg"};
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| 275 | if(!_2a.owner&&_24.photoset){
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| 276 | _2a.owner=_24.photoset.owner; |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | var _2c=_25.start?_25.start:0; |
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| 281 | var arr=this._cache[_26]; |
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| 282 | if(!arr){
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| 283 | this._cache[_26]=arr=[];
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| 284 | } |
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| 285 | dojo.forEach(_28,function(i,idx){
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| 286 | arr[idx+_2c]=i; |
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| 287 | }); |
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| 288 | return arr;
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| 289 | },_checkPrevRanges:function(_2d,_2e,_2f){ |
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| 290 | var end=_2e+_2f;
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| 291 | var arr=this._prevRequestRanges[_2d]; |
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| 292 | return (!!arr)&&dojo.some(arr,function(_30){ |
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| 293 | return ((_2e>=_30.start)&&(end<=_30.end));
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| 294 | }); |
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| 295 | }}); |
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| 296 | } |