Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / examples / app / feed-viewer / app / controller / Feeds.js

diff --git a/examples/app/feed-viewer/app/controller/Feeds.js b/examples/app/feed-viewer/app/controller/Feeds.js
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+++ b/examples/app/feed-viewer/app/controller/Feeds.js
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+Ext.define('FV.controller.Feeds', {
+    extend: 'Ext.app.Controller',
+
+    stores: ['Feeds', 'Articles'],
+    models: ['Feed'],
+    views: ['feed.Add'],
+    
+    refs: [
+        {ref: 'feedList', selector: 'feedlist'},
+        {ref: 'feedData', selector: 'feedlist dataview'},
+        {ref: 'feedShow', selector: 'feedshow'},
+        {ref: 'feedForm', selector: 'feedwindow form'},
+        {ref: 'feedCombo', selector: 'feedwindow combobox'},
+        {ref: 'articleGrid', selector: 'articlegrid'},
+        {
+            ref: 'feedWindow', 
+            selector: 'feedwindow', 
+            autoCreate: true,
+            xtype: 'feedwindow'
+        }
+    ],
+    
+    requires: ['FV.lib.FeedValidator'],
+
+    // At this point things haven't rendered yet since init gets called on controllers before the launch function
+    // is executed on the Application
+    init: function() {
+        this.control({
+            'feedlist dataview': {
+                selectionchange: this.loadFeed
+            },
+            'feedlist button[action=add]': {
+                click: this.addFeed
+            },
+            'feedlist button[action=remove]': {
+                click: this.removeFeed
+            },
+            'feedwindow button[action=create]': {
+                click: this.createFeed
+            }
+        });
+    },
+    
+    onLaunch: function() {
+        var dataview = this.getFeedData(),
+            store = this.getFeedsStore();
+            
+        dataview.bindStore(store);
+        dataview.getSelectionModel().select(store.getAt(0));
+    },
+    
+    /**
+     * Loads the given feed into the viewer
+     * @param {FV.model.feed} feed The feed to load
+     */
+    loadFeed: function(selModel, selected) {
+        var grid = this.getArticleGrid(),
+            store = this.getArticlesStore(),
+            feed = selected[0];
+
+        if (feed) {
+            grid.enable();
+            store.load({
+                params: {
+                    feed: feed.get('url')
+                }
+            });            
+        }
+    },
+    
+    /**
+     * Shows the add feed dialog window
+     */
+    addFeed: function() {
+        this.getFeedWindow().show();
+    },
+    
+    /**
+     * Removes the given feed from the Feeds store
+     * @param {FV.model.Feed} feed The feed to remove
+     */
+    removeFeed: function() {
+        this.getFeedsStore().remove(this.getFeedData().getSelectionModel().getSelection()[0]);
+    },
+    
+    /**
+     * @private
+     * Creates a new feed in the store based on a given url. First validates that the feed is well formed
+     * using FV.lib.FeedValidator.
+     * @param {String} name The name of the Feed to create
+     * @param {String} url The url of the Feed to create
+     */
+    createFeed: function() {
+        var win   = this.getFeedWindow(),
+            form  = this.getFeedForm(),
+            combo = this.getFeedCombo(),
+            store = this.getFeedsStore(),
+            feed  = this.getFeedModel().create({
+                name: combo.getDisplayValue(),
+                url: combo.getValue()
+            });
+
+        form.setLoading({
+            msg: 'Validating feed...'
+        });
+        
+        FV.lib.FeedValidator.validate(feed, {
+            success: function() {
+                store.add(feed);
+                form.setLoading(false);
+                win.hide();
+            },
+            failure: function() {
+                form.setLoading(false);
+                form.down('[name=feed]').markInvalid('The URL specified is not a valid RSS2 feed.');
+            }
+        });
+    }
+});
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