--- /dev/null
+if(!dojo._hasResource["dojox.data.FlickrStore"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.data.FlickrStore"] = true;
+dojo.provide("dojox.data.FlickrStore");
+
+dojo.require("dojo.data.util.simpleFetch");
+dojo.require("dojo.io.script");
+dojo.require("dojo.date.stamp");
+
+dojo.declare("dojox.data.FlickrStore", null, {
+ constructor: function(/*Object*/args){
+ // summary:
+ // Initializer for the FlickrStore store.
+ // description:
+ // The FlickrStore is a Datastore interface to one of the basic services
+ // of the Flickr service, the public photo feed. This does not provide
+ // access to all the services of Flickr.
+ // This store cannot do * and ? filtering as the flickr service
+ // provides no interface for wildcards.
+ if(args && args.label){
+ this.label = args.label;
+ }
+ },
+
+ _flickrUrl: "http://api.flickr.com/services/feeds/photos_public.gne",
+
+ _storeRef: "_S",
+
+ label: "title",
+
+ _assertIsItem: function(/* item */ item){
+ // summary:
+ // This function tests whether the item passed in is indeed an item in the store.
+ // item:
+ // The item to test for being contained by the store.
+ if(!this.isItem(item)){
+ throw new Error("dojox.data.FlickrStore: a function was passed an item argument that was not an item");
+ }
+ },
+
+ _assertIsAttribute: function(/* attribute-name-string */ attribute){
+ // summary:
+ // This function tests whether the item passed in is indeed a valid 'attribute' like type for the store.
+ // attribute:
+ // The attribute to test for being contained by the store.
+ if(typeof attribute !== "string"){
+ throw new Error("dojox.data.FlickrStore: a function was passed an attribute argument that was not an attribute name string");
+ }
+ },
+
+ getFeatures: function(){
+ // summary:
+ // See dojo.data.api.Read.getFeatures()
+ return {
+ 'dojo.data.api.Read': true
+ };
+ },
+
+ getValue: function(item, attribute){
+ // summary:
+ // See dojo.data.api.Read.getValue()
+ var values = this.getValues(item, attribute);
+ if(values){
+ return values[0];
+ }
+ return undefined;
+ },
+
+ getAttributes: function(item){
+ // summary:
+ // See dojo.data.api.Read.getAttributes()
+ return ["title", "description", "author", "datePublished", "dateTaken", "imageUrl", "imageUrlSmall", "imageUrlMedium", "tags", "link"];
+ },
+
+ hasAttribute: function(item, attribute){
+ // summary:
+ // See dojo.data.api.Read.hasAttributes()
+ if(this.getValue(item,attribute)){
+ return true;
+ }
+ return false;
+ },
+
+ isItemLoaded: function(item){
+ // summary:
+ // See dojo.data.api.Read.isItemLoaded()
+ return this.isItem(item);
+ },
+
+ loadItem: function(keywordArgs){
+ // summary:
+ // See dojo.data.api.Read.loadItem()
+ },
+
+ getLabel: function(item){
+ // summary:
+ // See dojo.data.api.Read.getLabel()
+ return this.getValue(item,this.label);
+ },
+
+ getLabelAttributes: function(item){
+ // summary:
+ // See dojo.data.api.Read.getLabelAttributes()
+ return [this.label];
+ },
+
+ containsValue: function(item, attribute, value){
+ // summary:
+ // See dojo.data.api.Read.containsValue()
+ var values = this.getValues(item,attribute);
+ for(var i = 0; i < values.length; i++){
+ if(values[i] === value){
+ return true;
+ }
+ }
+ return false;
+ },
+
+ getValues: function(item, attribute){
+ // summary:
+ // See dojo.data.api.Read.getValue()
+
+ this._assertIsItem(item);
+ this._assertIsAttribute(attribute);
+ if(attribute === "title"){
+ return [this._unescapeHtml(item.title)];
+ }else if(attribute === "author"){
+ return [this._unescapeHtml(item.author)];
+ }else if(attribute === "datePublished"){
+ return [dojo.date.stamp.fromISOString(item.published)];
+ }else if(attribute === "dateTaken"){
+ return [dojo.date.stamp.fromISOString(item.date_taken)];
+ }else if(attribute === "imageUrlSmall"){
+ return [item.media.m.replace(/_m\./, "_s.")];
+ }else if(attribute === "imageUrl"){
+ return [item.media.m.replace(/_m\./, ".")];
+ }else if(attribute === "imageUrlMedium"){
+ return [item.media.m];
+ }else if(attribute === "link"){
+ return [item.link];
+ }else if(attribute === "tags"){
+ return item.tags.split(" ");
+ }else if(attribute === "description"){
+ return [this._unescapeHtml(item.description)];
+ }
+ return undefined;
+ },
+
+ isItem: function(item){
+ // summary:
+ // See dojo.data.api.Read.isItem()
+ if(item && item[this._storeRef] === this){
+ return true;
+ }
+ return false;
+ },
+
+ close: function(request){
+ // summary:
+ // See dojo.data.api.Read.close()
+ },
+
+ _fetchItems: function(request, fetchHandler, errorHandler){
+ // summary:
+ // Fetch flickr items that match to a query
+ // request:
+ // A request object
+ // fetchHandler:
+ // A function to call for fetched items
+ // errorHandler:
+ // A function to call on error
+
+ if(!request.query){
+ request.query={};
+ }
+
+ //Build up the content to send the request for.
+ var content = {format: "json", tagmode:"any"};
+ if (request.query.tags) {
+ content.tags = request.query.tags;
+ }
+ if (request.query.tagmode) {
+ content.tagmode = request.query.tagmode;
+ }
+ if (request.query.userid) {
+ content.id = request.query.userid;
+ }
+ if (request.query.userids) {
+ content.ids = request.query.userids;
+ }
+ if (request.query.lang) {
+ content.lang = request.query.lang;
+ }
+
+ //Linking this up to Flickr is a PAIN!
+ var self = this;
+ var handle = null;
+ var getArgs = {
+ url: this._flickrUrl,
+ preventCache: true,
+ content: content
+ };
+ var myHandler = function(data){
+ if(handle !== null){
+ dojo.disconnect(handle);
+ }
+
+ //Process the items...
+ fetchHandler(self._processFlickrData(data), request);
+ };
+ handle = dojo.connect("jsonFlickrFeed", myHandler);
+ var deferred = dojo.io.script.get(getArgs);
+
+ //We only set up the errback, because the callback isn't ever really used because we have
+ //to link to the jsonFlickrFeed function....
+ deferred.addErrback(function(error){
+ dojo.disconnect(handle);
+ errorHandler(error, request);
+ });
+ },
+
+ _processFlickrData: function(data){
+ var items = [];
+ if(data.items){
+ items = data.items;
+ //Add on the store ref so that isItem can work.
+ for(var i = 0; i < data.items.length; i++){
+ var item = data.items[i];
+ item[this._storeRef] = this;
+ }
+ }
+ return items;
+ },
+
+ _unescapeHtml: function(str){
+ // summary: Utility function to un-escape XML special characters in an HTML string.
+ // description: Utility function to un-escape XML special characters in an HTML string.
+ //
+ // str: String.
+ // The string to un-escape
+ // returns: HTML String converted back to the normal text (unescaped) characters (<,>,&, ", etc,).
+ //
+ //TODO: Check to see if theres already compatible escape() in dojo.string or dojo.html
+ str = str.replace(/&/gm, "&").replace(/</gm, "<").replace(/>/gm, ">").replace(/"/gm, "\"");
+ str = str.replace(/'/gm, "'");
+ return str;
+ }
+});
+dojo.extend(dojox.data.FlickrStore,dojo.data.util.simpleFetch);
+
+//We have to define this because of how the Flickr API works.
+//This somewhat stinks, but what can you do?
+if (!jsonFlickrFeed) {
+ var jsonFlickrFeed = function(data){};
+}
+
+
+}
projects / eow / blobdiff