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