enmi-conf.org: comparison wp/wp-admin/js/theme.js

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wp/wp-admin/js/theme.js

changeset 5	5e2f62d02dcd
parent 0	d970ebf37754
child 7	cf61fcea0001

equal deleted inserted replaced

-:346c88efed21
+:5e2f62d02dcd
-/**
+/* global _wpThemeSettings, confirm */
-* Theme Browsing
+window.wp = window.wp || {};
-*
-* Controls visibility of theme details on manage and install themes pages.
+( function($) {
-*/
-jQuery( function($) {
+// Set up our namespace...
-	$('#availablethemes').on( 'click', '.theme-detail', function (event) {
+var themes, l10n;
-		var theme   = $(this).closest('.available-theme'),
+themes = wp.themes = wp.themes || {};
-			details = theme.find('.themedetaildiv');
+// Store the theme data and settings for organized and quick access
-		if ( ! details.length ) {
+// themes.data.settings, themes.data.themes, themes.data.l10n
-			details = theme.find('.install-theme-info .theme-details');
+themes.data = _wpThemeSettings;
-			details = details.clone().addClass('themedetaildiv').appendTo( theme ).hide();
+l10n = themes.data.l10n;
-		}
+// Shortcut for isInstall check
-		details.toggle();
+themes.isInstall = !! themes.data.settings.isInstall;
+// Setup app structure
+_.extend( themes, { model: {}, view: {}, routes: {}, router: {}, template: wp.template });
+themes.Model = Backbone.Model.extend({
+	// Adds attributes to the default data coming through the .org themes api
+	// Map `id` to `slug` for shared code
+	initialize: function() {
+		var description;
+		// If theme is already installed, set an attribute.
+		if ( _.indexOf( themes.data.installedThemes, this.get( 'slug' ) ) !== -1 ) {
+			this.set({ installed: true });
+		}
+		// Set the attributes
+		this.set({
+			// slug is for installation, id is for existing.
+			id: this.get( 'slug' ) || this.get( 'id' )
+		});
+		// Map `section.description` to `description`
+		// as the API sometimes returns it differently
+		if ( this.has( 'sections' ) ) {
+			description = this.get( 'sections' ).description;
+			this.set({ description: description });
+		}
+	}
+});
+// Main view controller for themes.php
+// Unifies and renders all available views
+themes.view.Appearance = wp.Backbone.View.extend({
+	el: '#wpbody-content .wrap .theme-browser',
+	window: $( window ),
+	// Pagination instance
+	page: 0,
+	// Sets up a throttler for binding to 'scroll'
+	initialize: function( options ) {
+		// Scroller checks how far the scroll position is
+		_.bindAll( this, 'scroller' );
+		this.SearchView = options.SearchView ? options.SearchView : themes.view.Search;
+		// Bind to the scroll event and throttle
+		// the results from this.scroller
+		this.window.bind( 'scroll', _.throttle( this.scroller, 300 ) );
+	},
+	// Main render control
+	render: function() {
+		// Setup the main theme view
+		// with the current theme collection
+		this.view = new themes.view.Themes({
+			collection: this.collection,
+			parent: this
+		});
+		// Render search form.
+		this.search();
+		// Render and append
+		this.view.render();
+		this.$el.empty().append( this.view.el ).addClass( 'rendered' );
+		this.$el.append( '<br class="clear"/>' );
+	},
+	// Defines search element container
+	searchContainer: $( '#wpbody h2:first' ),
+	// Search input and view
+	// for current theme collection
+	search: function() {
+		var view,
+			self = this;
+		// Don't render the search if there is only one theme
+		if ( themes.data.themes.length === 1 ) {
+			return;
+		}
+		view = new this.SearchView({
+			collection: self.collection,
+			parent: this
+		});
+		// Render and append after screen title
+		view.render();
+		this.searchContainer
+			.append( $.parseHTML( '<label class="screen-reader-text" for="wp-filter-search-input">' + l10n.search + '</label>' ) )
+			.append( view.el );
+	},
+	// Checks when the user gets close to the bottom
+	// of the mage and triggers a theme:scroll event
+	scroller: function() {
+		var self = this,
+			bottom, threshold;
+		bottom = this.window.scrollTop() + self.window.height();
+		threshold = self.$el.offset().top + self.$el.outerHeight( false ) - self.window.height();
+		threshold = Math.round( threshold * 0.9 );
+		if ( bottom > threshold ) {
+			this.trigger( 'theme:scroll' );
+		}
+	}
+});
+// Set up the Collection for our theme data
+// @has 'id' 'name' 'screenshot' 'author' 'authorURI' 'version' 'active' ...
+themes.Collection = Backbone.Collection.extend({
+	model: themes.Model,
+	// Search terms
+	terms: '',
+	// Controls searching on the current theme collection
+	// and triggers an update event
+	doSearch: function( value ) {
+		// Don't do anything if we've already done this search
+		// Useful because the Search handler fires multiple times per keystroke
+		if ( this.terms === value ) {
+			return;
+		}
+		// Updates terms with the value passed
+		this.terms = value;
+		// If we have terms, run a search...
+		if ( this.terms.length > 0 ) {
+			this.search( this.terms );
+		}
+		// If search is blank, show all themes
+		// Useful for resetting the views when you clean the input
+		if ( this.terms === '' ) {
+			this.reset( themes.data.themes );
+			$( 'body' ).removeClass( 'no-results' );
+		}
+		// Trigger an 'update' event
+		this.trigger( 'update' );
+	},
+	// Performs a search within the collection
+	// @uses RegExp
+	search: function( term ) {
+		var match, results, haystack, name, description, author;
+		// Start with a full collection
+		this.reset( themes.data.themes, { silent: true } );
+		// Escape the term string for RegExp meta characters
+		term = term.replace( /[-\/\\^$*+?.()|[\]{}]/g, '\\$&' );
+		// Consider spaces as word delimiters and match the whole string
+		// so matching terms can be combined
+		term = term.replace( / /g, ')(?=.*' );
+		match = new RegExp( '^(?=.*' + term + ').+', 'i' );
+		// Find results
+		// _.filter and .test
+		results = this.filter( function( data ) {
+			name        = data.get( 'name' ).replace( /(<([^>]+)>)/ig, '' );
+			description = data.get( 'description' ).replace( /(<([^>]+)>)/ig, '' );
+			author      = data.get( 'author' ).replace( /(<([^>]+)>)/ig, '' );
+			haystack = _.union( name, data.get( 'id' ), description, author, data.get( 'tags' ) );
+			if ( match.test( data.get( 'author' ) ) && term.length > 2 ) {
+				data.set( 'displayAuthor', true );
+			}
+			return match.test( haystack );
+		});
+		if ( results.length === 0 ) {
+			this.trigger( 'query:empty' );
+		} else {
+			$( 'body' ).removeClass( 'no-results' );
+		}
+		this.reset( results );
+	},
+	// Paginates the collection with a helper method
+	// that slices the collection
+	paginate: function( instance ) {
+		var collection = this;
+		instance = instance || 0;
+		// Themes per instance are set at 20
+		collection = _( collection.rest( 20 * instance ) );
+		collection = _( collection.first( 20 ) );
+		return collection;
+	},
+	count: false,
+	// Handles requests for more themes
+	// and caches results
+	//
+	// When we are missing a cache object we fire an apiCall()
+	// which triggers events of `query:success` or `query:fail`
+	query: function( request ) {
+		/**
+		 * @static
+		 * @type Array
+		 */
+		var queries = this.queries,
+			self = this,
+			query, isPaginated, count;
+		// Store current query request args
+		// for later use with the event `theme:end`
+		this.currentQuery.request = request;
+		// Search the query cache for matches.
+		query = _.find( queries, function( query ) {
+			return _.isEqual( query.request, request );
+		});
+		// If the request matches the stored currentQuery.request
+		// it means we have a paginated request.
+		isPaginated = _.has( request, 'page' );
+		// Reset the internal api page counter for non paginated queries.
+		if ( ! isPaginated ) {
+			this.currentQuery.page = 1;
+		}
+		// Otherwise, send a new API call and add it to the cache.
+		if ( ! query && ! isPaginated ) {
+			query = this.apiCall( request ).done( function( data ) {
+				// Update the collection with the queried data.
+				if ( data.themes ) {
+					self.reset( data.themes );
+					count = data.info.results;
+					// Store the results and the query request
+					queries.push( { themes: data.themes, request: request, total: count } );
+				}
+				// Trigger a collection refresh event
+				// and a `query:success` event with a `count` argument.
+				self.trigger( 'update' );
+				self.trigger( 'query:success', count );
+				if ( data.themes && data.themes.length === 0 ) {
+					self.trigger( 'query:empty' );
+				}
+			}).fail( function() {
+				self.trigger( 'query:fail' );
+			});
+		} else {
+			// If it's a paginated request we need to fetch more themes...
+			if ( isPaginated ) {
+				return this.apiCall( request, isPaginated ).done( function( data ) {
+					// Add the new themes to the current collection
+					// @todo update counter
+					self.add( data.themes );
+					self.trigger( 'query:success' );
+					// We are done loading themes for now.
+					self.loadingThemes = false;
+				}).fail( function() {
+					self.trigger( 'query:fail' );
+				});
+			}
+			if ( query.themes.length === 0 ) {
+				self.trigger( 'query:empty' );
+			} else {
+				$( 'body' ).removeClass( 'no-results' );
+			}
+			// Only trigger an update event since we already have the themes
+			// on our cached object
+			if ( _.isNumber( query.total ) ) {
+				this.count = query.total;
+			}
+			this.reset( query.themes );
+			if ( ! query.total ) {
+				this.count = this.length;
+			}
+			this.trigger( 'update' );
+			this.trigger( 'query:success', this.count );
+		}
+	},
+	// Local cache array for API queries
+	queries: [],
+	// Keep track of current query so we can handle pagination
+	currentQuery: {
+		page: 1,
+		request: {}
+	},
+	// Send request to api.wordpress.org/themes
+	apiCall: function( request, paginated ) {
+		return wp.ajax.send( 'query-themes', {
+			data: {
+			// Request data
+				request: _.extend({
+					per_page: 100,
+					fields: {
+						description: true,
+						tested: true,
+						requires: true,
+						rating: true,
+						downloaded: true,
+						downloadLink: true,
+						last_updated: true,
+						homepage: true,
+						num_ratings: true
+					}
+				}, request)
+			},
+			beforeSend: function() {
+				if ( ! paginated ) {
+					// Spin it
+					$( 'body' ).addClass( 'loading-content' ).removeClass( 'no-results' );
+				}
+			}
+		});
+	},
+	// Static status controller for when we are loading themes.
+	loadingThemes: false
+});
+// This is the view that controls each theme item
+// that will be displayed on the screen
+themes.view.Theme = wp.Backbone.View.extend({
+	// Wrap theme data on a div.theme element
+	className: 'theme',
+	// Reflects which theme view we have
+	// 'grid' (default) or 'detail'
+	state: 'grid',
+	// The HTML template for each element to be rendered
+	html: themes.template( 'theme' ),
+	events: {
+		'click': themes.isInstall ? 'preview': 'expand',
+		'keydown': themes.isInstall ? 'preview': 'expand',
+		'touchend': themes.isInstall ? 'preview': 'expand',
+		'keyup': 'addFocus',
+		'touchmove': 'preventExpand'
+	},
+	touchDrag: false,
+	render: function() {
+		var data = this.model.toJSON();
+		// Render themes using the html template
+		this.$el.html( this.html( data ) ).attr({
+			tabindex: 0,
+			'aria-describedby' : data.id + '-action ' + data.id + '-name'
+		});
+		// Renders active theme styles
+		this.activeTheme();
+		if ( this.model.get( 'displayAuthor' ) ) {
+			this.$el.addClass( 'display-author' );
+		}
+		if ( this.model.get( 'installed' ) ) {
+			this.$el.addClass( 'is-installed' );
+		}
+	},
+	// Adds a class to the currently active theme
+	// and to the overlay in detailed view mode
+	activeTheme: function() {
+		if ( this.model.get( 'active' ) ) {
+			this.$el.addClass( 'active' );
+		}
+	},
+	// Add class of focus to the theme we are focused on.
+	addFocus: function() {
+		var $themeToFocus = ( $( ':focus' ).hasClass( 'theme' ) ) ? $( ':focus' ) : $(':focus').parents('.theme');
+		$('.theme.focus').removeClass('focus');
+		$themeToFocus.addClass('focus');
+	},
+	// Single theme overlay screen
+	// It's shown when clicking a theme
+	expand: function( event ) {
+		var self = this;
+		event = event || window.event;
+		// 'enter' and 'space' keys expand the details view when a theme is :focused
+		if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
+			return;
+		}
+		// Bail if the user scrolled on a touch device
+		if ( this.touchDrag === true ) {
+			return this.touchDrag = false;
+		}
+		// Prevent the modal from showing when the user clicks
+		// one of the direct action buttons
+		if ( $( event.target ).is( '.theme-actions a' ) ) {
+			return;
+		}
+		// Set focused theme to current element
+		themes.focusedTheme = this.$el;
+		this.trigger( 'theme:expand', self.model.cid );
+	},
+	preventExpand: function() {
+		this.touchDrag = true;
+	},
+	preview: function( event ) {
+		var self = this,
+			current, preview;
+		// Bail if the user scrolled on a touch device
+		if ( this.touchDrag === true ) {
+			return this.touchDrag = false;
+		}
+		// Allow direct link path to installing a theme.
+		if ( $( event.target ).hasClass( 'button-primary' ) ) {
+			return;
+		}
+		// 'enter' and 'space' keys expand the details view when a theme is :focused
+		if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
+			return;
+		}
+		// pressing enter while focused on the buttons shouldn't open the preview
+		if ( event.type === 'keydown' && event.which !== 13 && $( ':focus' ).hasClass( 'button' ) ) {
+			return;
+		}
 		event.preventDefault();
+		event = event || window.event;
+		// Set focus to current theme.
+		themes.focusedTheme = this.$el;
+		// Construct a new Preview view.
+		preview = new themes.view.Preview({
+			model: this.model
+		});
+		// Render the view and append it.
+		preview.render();
+		this.setNavButtonsState();
+		// Hide previous/next navigation if there is only one theme
+		if ( this.model.collection.length === 1 ) {
+			preview.$el.addClass( 'no-navigation' );
+		} else {
+			preview.$el.removeClass( 'no-navigation' );
+		}
+		// Append preview
+		$( 'div.wrap' ).append( preview.el );
+		// Listen to our preview object
+		// for `theme:next` and `theme:previous` events.
+		this.listenTo( preview, 'theme:next', function() {
+			// Keep local track of current theme model.
+			current = self.model;
+			// If we have ventured away from current model update the current model position.
+			if ( ! _.isUndefined( self.current ) ) {
+				current = self.current;
+			}
+			// Get next theme model.
+			self.current = self.model.collection.at( self.model.collection.indexOf( current ) + 1 );
+			// If we have no more themes, bail.
+			if ( _.isUndefined( self.current ) ) {
+				self.options.parent.parent.trigger( 'theme:end' );
+				return self.current = current;
+			}
+			preview.model = self.current;
+			// Render and append.
+			preview.render();
+			this.setNavButtonsState();
+			$( '.next-theme' ).focus();
+		})
+		.listenTo( preview, 'theme:previous', function() {
+			// Keep track of current theme model.
+			current = self.model;
+			// Bail early if we are at the beginning of the collection
+			if ( self.model.collection.indexOf( self.current ) === 0 ) {
+				return;
+			}
+			// If we have ventured away from current model update the current model position.
+			if ( ! _.isUndefined( self.current ) ) {
+				current = self.current;
+			}
+			// Get previous theme model.
+			self.current = self.model.collection.at( self.model.collection.indexOf( current ) - 1 );
+			// If we have no more themes, bail.
+			if ( _.isUndefined( self.current ) ) {
+				return;
+			}
+			preview.model = self.current;
+			// Render and append.
+			preview.render();
+			this.setNavButtonsState();
+			$( '.previous-theme' ).focus();
+		});
+		this.listenTo( preview, 'preview:close', function() {
+			self.current = self.model;
+		});
+	},
+	// Handles .disabled classes for previous/next buttons in theme installer preview
+	setNavButtonsState: function() {
+		var $themeInstaller = $( '.theme-install-overlay' ),
+			current = _.isUndefined( this.current ) ? this.model : this.current;
+		// Disable previous at the zero position
+		if ( 0 === this.model.collection.indexOf( current ) ) {
+			$themeInstaller.find( '.previous-theme' ).addClass( 'disabled' );
+		}
+		// Disable next if the next model is undefined
+		if ( _.isUndefined( this.model.collection.at( this.model.collection.indexOf( current ) + 1 ) ) ) {
+			$themeInstaller.find( '.next-theme' ).addClass( 'disabled' );
+		}
+	}
+});
+// Theme Details view
+// Set ups a modal overlay with the expanded theme data
+themes.view.Details = wp.Backbone.View.extend({
+	// Wrap theme data on a div.theme element
+	className: 'theme-overlay',
+	events: {
+		'click': 'collapse',
+		'click .delete-theme': 'deleteTheme',
+		'click .left': 'previousTheme',
+		'click .right': 'nextTheme'
+	},
+	// The HTML template for the theme overlay
+	html: themes.template( 'theme-single' ),
+	render: function() {
+		var data = this.model.toJSON();
+		this.$el.html( this.html( data ) );
+		// Renders active theme styles
+		this.activeTheme();
+		// Set up navigation events
+		this.navigation();
+		// Checks screenshot size
+		this.screenshotCheck( this.$el );
+		// Contain "tabbing" inside the overlay
+		this.containFocus( this.$el );
+	},
+	// Adds a class to the currently active theme
+	// and to the overlay in detailed view mode
+	activeTheme: function() {
+		// Check the model has the active property
+		this.$el.toggleClass( 'active', this.model.get( 'active' ) );
+	},
+	// Keeps :focus within the theme details elements
+	containFocus: function( $el ) {
+		var $target;
+		// Move focus to the primary action
+		_.delay( function() {
+			$( '.theme-wrap a.button-primary:visible' ).focus();
+		}, 500 );
+		$el.on( 'keydown.wp-themes', function( event ) {
+			// Tab key
+			if ( event.which === 9 ) {
+				$target = $( event.target );
+				// Keep focus within the overlay by making the last link on theme actions
+				// switch focus to button.left on tabbing and vice versa
+				if ( $target.is( 'button.left' ) && event.shiftKey ) {
+					$el.find( '.theme-actions a:last-child' ).focus();
+					event.preventDefault();
+				} else if ( $target.is( '.theme-actions a:last-child' ) ) {
+					$el.find( 'button.left' ).focus();
+					event.preventDefault();
+				}
+			}
+		});
+	},
+	// Single theme overlay screen
+	// It's shown when clicking a theme
+	collapse: function( event ) {
+		var self = this,
+			scroll;
+		event = event || window.event;
+		// Prevent collapsing detailed view when there is only one theme available
+		if ( themes.data.themes.length === 1 ) {
+			return;
+		}
+		// Detect if the click is inside the overlay
+		// and don't close it unless the target was
+		// the div.back button
+		if ( $( event.target ).is( '.theme-backdrop' ) || $( event.target ).is( '.close' ) || event.keyCode === 27 ) {
+			// Add a temporary closing class while overlay fades out
+			$( 'body' ).addClass( 'closing-overlay' );
+			// With a quick fade out animation
+			this.$el.fadeOut( 130, function() {
+				// Clicking outside the modal box closes the overlay
+				$( 'body' ).removeClass( 'closing-overlay' );
+				// Handle event cleanup
+				self.closeOverlay();
+				// Get scroll position to avoid jumping to the top
+				scroll = document.body.scrollTop;
+				// Clean the url structure
+				themes.router.navigate( themes.router.baseUrl( '' ) );
+				// Restore scroll position
+				document.body.scrollTop = scroll;
+				// Return focus to the theme div
+				if ( themes.focusedTheme ) {
+					themes.focusedTheme.focus();
+				}
+			});
+		}
+	},
+	// Handles .disabled classes for next/previous buttons
+	navigation: function() {
+		// Disable Left/Right when at the start or end of the collection
+		if ( this.model.cid === this.model.collection.at(0).cid ) {
+			this.$el.find( '.left' ).addClass( 'disabled' );
+		}
+		if ( this.model.cid === this.model.collection.at( this.model.collection.length - 1 ).cid ) {
+			this.$el.find( '.right' ).addClass( 'disabled' );
+		}
+	},
+	// Performs the actions to effectively close
+	// the theme details overlay
+	closeOverlay: function() {
+		$( 'body' ).removeClass( 'modal-open' );
+		this.remove();
+		this.unbind();
+		this.trigger( 'theme:collapse' );
+	},
+	// Confirmation dialog for deleting a theme
+	deleteTheme: function() {
+		return confirm( themes.data.settings.confirmDelete );
+	},
+	nextTheme: function() {
+		var self = this;
+		self.trigger( 'theme:next', self.model.cid );
+		return false;
+	},
+	previousTheme: function() {
+		var self = this;
+		self.trigger( 'theme:previous', self.model.cid );
+		return false;
+	},
+	// Checks if the theme screenshot is the old 300px width version
+	// and adds a corresponding class if it's true
+	screenshotCheck: function( el ) {
+		var screenshot, image;
+		screenshot = el.find( '.screenshot img' );
+		image = new Image();
+		image.src = screenshot.attr( 'src' );
+		// Width check
+		if ( image.width && image.width <= 300 ) {
+			el.addClass( 'small-screenshot' );
+		}
+	}
+});
+// Theme Preview view
+// Set ups a modal overlay with the expanded theme data
+themes.view.Preview = themes.view.Details.extend({
+	className: 'wp-full-overlay expanded',
+	el: '.theme-install-overlay',
+	events: {
+		'click .close-full-overlay': 'close',
+		'click .collapse-sidebar': 'collapse',
+		'click .previous-theme': 'previousTheme',
+		'click .next-theme': 'nextTheme',
+		'keyup': 'keyEvent'
+	},
+	// The HTML template for the theme preview
+	html: themes.template( 'theme-preview' ),
+	render: function() {
+		var data = this.model.toJSON();
+		this.$el.html( this.html( data ) );
+		themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.get( 'id' ) ), { replace: true } );
+		this.$el.fadeIn( 200, function() {
+			$( 'body' ).addClass( 'theme-installer-active full-overlay-active' );
+			$( '.close-full-overlay' ).focus();
+		});
+	},
+	close: function() {
+		this.$el.fadeOut( 200, function() {
+			$( 'body' ).removeClass( 'theme-installer-active full-overlay-active' );
+			// Return focus to the theme div
+			if ( themes.focusedTheme ) {
+				themes.focusedTheme.focus();
+			}
+		});
+		themes.router.navigate( themes.router.baseUrl( '' ) );
+		this.trigger( 'preview:close' );
+		this.undelegateEvents();
+		this.unbind();
+		return false;
+	},
+	collapse: function() {
+		this.$el.toggleClass( 'collapsed' ).toggleClass( 'expanded' );
+		return false;
+	},
+	keyEvent: function( event ) {
+		// The escape key closes the preview
+		if ( event.keyCode === 27 ) {
+			this.undelegateEvents();
+			this.close();
+		}
+		// The right arrow key, next theme
+		if ( event.keyCode === 39 ) {
+			_.once( this.nextTheme() );
+		}
+		// The left arrow key, previous theme
+		if ( event.keyCode === 37 ) {
+			this.previousTheme();
+		}
+	}
+});
+// Controls the rendering of div.themes,
+// a wrapper that will hold all the theme elements
+themes.view.Themes = wp.Backbone.View.extend({
+	className: 'themes',
+	$overlay: $( 'div.theme-overlay' ),
+	// Number to keep track of scroll position
+	// while in theme-overlay mode
+	index: 0,
+	// The theme count element
+	count: $( '.wp-core-ui .theme-count' ),
+	// The live themes count
+	liveThemeCount: 0,
+	initialize: function( options ) {
+		var self = this;
+		// Set up parent
+		this.parent = options.parent;
+		// Set current view to [grid]
+		this.setView( 'grid' );
+		// Move the active theme to the beginning of the collection
+		self.currentTheme();
+		// When the collection is updated by user input...
+		this.listenTo( self.collection, 'update', function() {
+			self.parent.page = 0;
+			self.currentTheme();
+			self.render( this );
+		});
+		// Update theme count to full result set when available.
+		this.listenTo( self.collection, 'query:success', function( count ) {
+			if ( _.isNumber( count ) ) {
+				self.count.text( count );
+				self.announceSearchResults( count );
+			} else {
+				self.count.text( self.collection.length );
+				self.announceSearchResults( self.collection.length );
+			}
+		});
+		this.listenTo( self.collection, 'query:empty', function() {
+			$( 'body' ).addClass( 'no-results' );
+		});
+		this.listenTo( this.parent, 'theme:scroll', function() {
+			self.renderThemes( self.parent.page );
+		});
+		this.listenTo( this.parent, 'theme:close', function() {
+			if ( self.overlay ) {
+				self.overlay.closeOverlay();
+			}
+		} );
+		// Bind keyboard events.
+		$( 'body' ).on( 'keyup', function( event ) {
+			if ( ! self.overlay ) {
+				return;
+			}
+			// Pressing the right arrow key fires a theme:next event
+			if ( event.keyCode === 39 ) {
+				self.overlay.nextTheme();
+			}
+			// Pressing the left arrow key fires a theme:previous event
+			if ( event.keyCode === 37 ) {
+				self.overlay.previousTheme();
+			}
+			// Pressing the escape key fires a theme:collapse event
+			if ( event.keyCode === 27 ) {
+				self.overlay.collapse( event );
+			}
+		});
+	},
+	// Manages rendering of theme pages
+	// and keeping theme count in sync
+	render: function() {
+		// Clear the DOM, please
+		this.$el.empty();
+		// If the user doesn't have switch capabilities
+		// or there is only one theme in the collection
+		// render the detailed view of the active theme
+		if ( themes.data.themes.length === 1 ) {
+			// Constructs the view
+			this.singleTheme = new themes.view.Details({
+				model: this.collection.models[0]
+			});
+			// Render and apply a 'single-theme' class to our container
+			this.singleTheme.render();
+			this.$el.addClass( 'single-theme' );
+			this.$el.append( this.singleTheme.el );
+		}
+		// Generate the themes
+		// Using page instance
+		// While checking the collection has items
+		if ( this.options.collection.size() > 0 ) {
+			this.renderThemes( this.parent.page );
+		}
+		// Display a live theme count for the collection
+		this.liveThemeCount = this.collection.count ? this.collection.count : this.collection.length;
+		this.count.text( this.liveThemeCount );
+		this.announceSearchResults( this.liveThemeCount );
+	},
+	// Iterates through each instance of the collection
+	// and renders each theme module
+	renderThemes: function( page ) {
+		var self = this;
+		self.instance = self.collection.paginate( page );
+		// If we have no more themes bail
+		if ( self.instance.size() === 0 ) {
+			// Fire a no-more-themes event.
+			this.parent.trigger( 'theme:end' );
+			return;
+		}
+		// Make sure the add-new stays at the end
+		if ( page >= 1 ) {
+			$( '.add-new-theme' ).remove();
+		}
+		// Loop through the themes and setup each theme view
+		self.instance.each( function( theme ) {
+			self.theme = new themes.view.Theme({
+				model: theme,
+				parent: self
+			});
+			// Render the views...
+			self.theme.render();
+			// and append them to div.themes
+			self.$el.append( self.theme.el );
+			// Binds to theme:expand to show the modal box
+			// with the theme details
+			self.listenTo( self.theme, 'theme:expand', self.expand, self );
+		});
+		// 'Add new theme' element shown at the end of the grid
+		if ( themes.data.settings.canInstall ) {
+			this.$el.append( '<div class="theme add-new-theme"><a href="' + themes.data.settings.installURI + '"><div class="theme-screenshot"><span></span></div><h3 class="theme-name">' + l10n.addNew + '</h3></a></div>' );
+		}
+		this.parent.page++;
+	},
+	// Grabs current theme and puts it at the beginning of the collection
+	currentTheme: function() {
+		var self = this,
+			current;
+		current = self.collection.findWhere({ active: true });
+		// Move the active theme to the beginning of the collection
+		if ( current ) {
+			self.collection.remove( current );
+			self.collection.add( current, { at:0 } );
+		}
+	},
+	// Sets current view
+	setView: function( view ) {
+		return view;
+	},
+	// Renders the overlay with the ThemeDetails view
+	// Uses the current model data
+	expand: function( id ) {
+		var self = this;
+		// Set the current theme model
+		this.model = self.collection.get( id );
+		// Trigger a route update for the current model
+		themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.id ) );
+		// Sets this.view to 'detail'
+		this.setView( 'detail' );
+		$( 'body' ).addClass( 'modal-open' );
+		// Set up the theme details view
+		this.overlay = new themes.view.Details({
+			model: self.model
+		});
+		this.overlay.render();
+		this.$overlay.html( this.overlay.el );
+		// Bind to theme:next and theme:previous
+		// triggered by the arrow keys
+		//
+		// Keep track of the current model so we
+		// can infer an index position
+		this.listenTo( this.overlay, 'theme:next', function() {
+			// Renders the next theme on the overlay
+			self.next( [ self.model.cid ] );
+		})
+		.listenTo( this.overlay, 'theme:previous', function() {
+			// Renders the previous theme on the overlay
+			self.previous( [ self.model.cid ] );
+		});
+	},
+	// This method renders the next theme on the overlay modal
+	// based on the current position in the collection
+	// @params [model cid]
+	next: function( args ) {
+		var self = this,
+			model, nextModel;
+		// Get the current theme
+		model = self.collection.get( args[0] );
+		// Find the next model within the collection
+		nextModel = self.collection.at( self.collection.indexOf( model ) + 1 );
+		// Sanity check which also serves as a boundary test
+		if ( nextModel !== undefined ) {
+			// We have a new theme...
+			// Close the overlay
+			this.overlay.closeOverlay();
+			// Trigger a route update for the current model
+			self.theme.trigger( 'theme:expand', nextModel.cid );
+		}
+	},
+	// This method renders the previous theme on the overlay modal
+	// based on the current position in the collection
+	// @params [model cid]
+	previous: function( args ) {
+		var self = this,
+			model, previousModel;
+		// Get the current theme
+		model = self.collection.get( args[0] );
+		// Find the previous model within the collection
+		previousModel = self.collection.at( self.collection.indexOf( model ) - 1 );
+		if ( previousModel !== undefined ) {
+			// We have a new theme...
+			// Close the overlay
+			this.overlay.closeOverlay();
+			// Trigger a route update for the current model
+			self.theme.trigger( 'theme:expand', previousModel.cid );
+		}
+	},
+	// Dispatch audible search results feedback message
+	announceSearchResults: function( count ) {
+		if ( 0 === count ) {
+			wp.a11y.speak( l10n.noThemesFound );
+		} else {
+			wp.a11y.speak( l10n.themesFound.replace( '%d', count ) );
+		}
+	}
+});
+// Search input view controller.
+themes.view.Search = wp.Backbone.View.extend({
+	tagName: 'input',
+	className: 'wp-filter-search',
+	id: 'wp-filter-search-input',
+	searching: false,
+	attributes: {
+		placeholder: l10n.searchPlaceholder,
+		type: 'search',
+		'aria-describedby': 'live-search-desc'
+	},
+	events: {
+		'input': 'search',
+		'keyup': 'search',
+		'blur': 'pushState'
+	},
+	initialize: function( options ) {
+		this.parent = options.parent;
+		this.listenTo( this.parent, 'theme:close', function() {
+			this.searching = false;
+		} );
+	},
+	search: function( event ) {
+		// Clear on escape.
+		if ( event.type === 'keyup' && event.which === 27 ) {
+			event.target.value = '';
+		}
+		/**
+		 * Since doSearch is debounced, it will only run when user input comes to a rest
+		 */
+		this.doSearch( event );
+	},
+	// Runs a search on the theme collection.
+	doSearch: _.debounce( function( event ) {
+		var options = {};
+		this.collection.doSearch( event.target.value );
+		// if search is initiated and key is not return
+		if ( this.searching && event.which !== 13 ) {
+			options.replace = true;
+		} else {
+			this.searching = true;
+		}
+		// Update the URL hash
+		if ( event.target.value ) {
+			themes.router.navigate( themes.router.baseUrl( themes.router.searchPath + event.target.value ), options );
+		} else {
+			themes.router.navigate( themes.router.baseUrl( '' ) );
+		}
+	}, 500 ),
+	pushState: function( event ) {
+		var url = themes.router.baseUrl( '' );
+		if ( event.target.value ) {
+			url = themes.router.baseUrl( themes.router.searchPath + event.target.value );
+		}
+		this.searching = false;
+		themes.router.navigate( url );
+	}
+});
+// Sets up the routes events for relevant url queries
+// Listens to [theme] and [search] params
+themes.Router = Backbone.Router.extend({
+	routes: {
+		'themes.php?theme=:slug': 'theme',
+		'themes.php?search=:query': 'search',
+		'themes.php?s=:query': 'search',
+		'themes.php': 'themes',
+		'': 'themes'
+	},
+	baseUrl: function( url ) {
+		return 'themes.php' + url;
+	},
+	themePath: '?theme=',
+	searchPath: '?search=',
+	search: function( query ) {
+		$( '.wp-filter-search' ).val( query );
+	},
+	themes: function() {
+		$( '.wp-filter-search' ).val( '' );
+	},
+	navigate: function() {
+		if ( Backbone.history._hasPushState ) {
+			Backbone.Router.prototype.navigate.apply( this, arguments );
+		}
+	}
+});
+// Execute and setup the application
+themes.Run = {
+	init: function() {
+		// Initializes the blog's theme library view
+		// Create a new collection with data
+		this.themes = new themes.Collection( themes.data.themes );
+		// Set up the view
+		this.view = new themes.view.Appearance({
+			collection: this.themes
+		});
+		this.render();
+	},
+	render: function() {
+		// Render results
+		this.view.render();
+		this.routes();
+		Backbone.history.start({
+			root: themes.data.settings.adminUrl,
+			pushState: true,
+			hashChange: false
+		});
+	},
+	routes: function() {
+		var self = this;
+		// Bind to our global thx object
+		// so that the object is available to sub-views
+		themes.router = new themes.Router();
+		// Handles theme details route event
+		themes.router.on( 'route:theme', function( slug ) {
+			self.view.view.expand( slug );
+		});
+		themes.router.on( 'route:themes', function() {
+			self.themes.doSearch( '' );
+			self.view.trigger( 'theme:close' );
+		});
+		// Handles search route event
+		themes.router.on( 'route:search', function() {
+			$( '.wp-filter-search' ).trigger( 'keyup' );
+		});
+		this.extraRoutes();
+	},
+	extraRoutes: function() {
+		return false;
+	}
+};
+// Extend the main Search view
+themes.view.InstallerSearch =  themes.view.Search.extend({
+	events: {
+		'input': 'search',
+		'keyup': 'search'
+	},
+	// Handles Ajax request for searching through themes in public repo
+	search: function( event ) {
+		// Tabbing or reverse tabbing into the search input shouldn't trigger a search
+		if ( event.type === 'keyup' && ( event.which === 9 || event.which === 16 ) ) {
+			return;
+		}
+		this.collection = this.options.parent.view.collection;
+		// Clear on escape.
+		if ( event.type === 'keyup' && event.which === 27 ) {
+			event.target.value = '';
+		}
+		this.doSearch( event.target.value );
+	},
+	doSearch: _.debounce( function( value ) {
+		var request = {};
+		request.search = value;
+		// Intercept an [author] search.
+		//
+		// If input value starts with `author:` send a request
+		// for `author` instead of a regular `search`
+		if ( value.substring( 0, 7 ) === 'author:' ) {
+			request.search = '';
+			request.author = value.slice( 7 );
+		}
+		// Intercept a [tag] search.
+		//
+		// If input value starts with `tag:` send a request
+		// for `tag` instead of a regular `search`
+		if ( value.substring( 0, 4 ) === 'tag:' ) {
+			request.search = '';
+			request.tag = [ value.slice( 4 ) ];
+		}
+		$( '.filter-links li > a.current' ).removeClass( 'current' );
+		$( 'body' ).removeClass( 'show-filters filters-applied' );
+		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+		// or searching the local cache
+		this.collection.query( request );
+		// Set route
+		themes.router.navigate( themes.router.baseUrl( themes.router.searchPath + value ), { replace: true } );
+	}, 500 )
+});
+themes.view.Installer = themes.view.Appearance.extend({
+	el: '#wpbody-content .wrap',
+	// Register events for sorting and filters in theme-navigation
+	events: {
+		'click .filter-links li > a': 'onSort',
+		'click .theme-filter': 'onFilter',
+		'click .drawer-toggle': 'moreFilters',
+		'click .filter-drawer .apply-filters': 'applyFilters',
+		'click .filter-group [type="checkbox"]': 'addFilter',
+		'click .filter-drawer .clear-filters': 'clearFilters',
+		'click .filtered-by': 'backToFilters'
+	},
+	// Initial render method
+	render: function() {
+		var self = this;
+		this.search();
+		this.uploader();
+		this.collection = new themes.Collection();
+		// Bump `collection.currentQuery.page` and request more themes if we hit the end of the page.
+		this.listenTo( this, 'theme:end', function() {
+			// Make sure we are not already loading
+			if ( self.collection.loadingThemes ) {
+				return;
+			}
+			// Set loadingThemes to true and bump page instance of currentQuery.
+			self.collection.loadingThemes = true;
+			self.collection.currentQuery.page++;
+			// Use currentQuery.page to build the themes request.
+			_.extend( self.collection.currentQuery.request, { page: self.collection.currentQuery.page } );
+			self.collection.query( self.collection.currentQuery.request );
+		});
+		this.listenTo( this.collection, 'query:success', function() {
+			$( 'body' ).removeClass( 'loading-content' );
+			$( '.theme-browser' ).find( 'div.error' ).remove();
+		});
+		this.listenTo( this.collection, 'query:fail', function() {
+			$( 'body' ).removeClass( 'loading-content' );
+			$( '.theme-browser' ).find( 'div.error' ).remove();
+			$( '.theme-browser' ).find( 'div.themes' ).before( '<div class="error"><p>' + l10n.error + '</p></div>' );
+		});
+		if ( this.view ) {
+			this.view.remove();
+		}
+		// Set ups the view and passes the section argument
+		this.view = new themes.view.Themes({
+			collection: this.collection,
+			parent: this
+		});
+		// Reset pagination every time the install view handler is run
+		this.page = 0;
+		// Render and append
+		this.$el.find( '.themes' ).remove();
+		this.view.render();
+		this.$el.find( '.theme-browser' ).append( this.view.el ).addClass( 'rendered' );
+	},
+	// Handles all the rendering of the public theme directory
+	browse: function( section ) {
+		// Create a new collection with the proper theme data
+		// for each section
+		this.collection.query( { browse: section } );
+	},
+	// Sorting navigation
+	onSort: function( event ) {
+		var $el = $( event.target ),
+			sort = $el.data( 'sort' );
+		event.preventDefault();
+		$( 'body' ).removeClass( 'filters-applied show-filters' );
+		// Bail if this is already active
+		if ( $el.hasClass( this.activeClass ) ) {
+			return;
+		}
+		this.sort( sort );
+		// Trigger a router.naviagte update
+		themes.router.navigate( themes.router.baseUrl( themes.router.browsePath + sort ) );
+	},
+	sort: function( sort ) {
+		this.clearSearch();
+		$( '.filter-links li > a, .theme-filter' ).removeClass( this.activeClass );
+		$( '[data-sort="' + sort + '"]' ).addClass( this.activeClass );
+		this.browse( sort );
+	},
+	// Filters and Tags
+	onFilter: function( event ) {
+		var request,
+			$el = $( event.target ),
+			filter = $el.data( 'filter' );
+		// Bail if this is already active
+		if ( $el.hasClass( this.activeClass ) ) {
+			return;
+		}
+		$( '.filter-links li > a, .theme-section' ).removeClass( this.activeClass );
+		$el.addClass( this.activeClass );
+		if ( ! filter ) {
+			return;
+		}
+		// Construct the filter request
+		// using the default values
+		filter = _.union( filter, this.filtersChecked() );
+		request = { tag: [ filter ] };
+		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+		// or searching the local cache
+		this.collection.query( request );
+	},
+	// Clicking on a checkbox to add another filter to the request
+	addFilter: function() {
+		this.filtersChecked();
+	},
+	// Applying filters triggers a tag request
+	applyFilters: function( event ) {
+		var name,
+			tags = this.filtersChecked(),
+			request = { tag: tags },
+			filteringBy = $( '.filtered-by .tags' );
+		if ( event ) {
+			event.preventDefault();
+		}
+		$( 'body' ).addClass( 'filters-applied' );
+		$( '.filter-links li > a.current' ).removeClass( 'current' );
+		filteringBy.empty();
+		_.each( tags, function( tag ) {
+			name = $( 'label[for="filter-id-' + tag + '"]' ).text();
+			filteringBy.append( '<span class="tag">' + name + '</span>' );
+		});
+		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+		// or searching the local cache
+		this.collection.query( request );
+	},
+	// Get the checked filters
+	// @return {array} of tags or false
+	filtersChecked: function() {
+		var items = $( '.filter-group' ).find( ':checkbox' ),
+			tags = [];
+		_.each( items.filter( ':checked' ), function( item ) {
+			tags.push( $( item ).prop( 'value' ) );
+		});
+		// When no filters are checked, restore initial state and return
+		if ( tags.length === 0 ) {
+			$( '.filter-drawer .apply-filters' ).find( 'span' ).text( '' );
+			$( '.filter-drawer .clear-filters' ).hide();
+			$( 'body' ).removeClass( 'filters-applied' );
+			return false;
+		}
+		$( '.filter-drawer .apply-filters' ).find( 'span' ).text( tags.length );
+		$( '.filter-drawer .clear-filters' ).css( 'display', 'inline-block' );
+		return tags;
+	},
+	activeClass: 'current',
+	// Overwrite search container class to append search
+	// in new location
+	searchContainer: $( '.wp-filter .search-form' ),
+	uploader: function() {
+		$( 'a.upload' ).on( 'click', function( event ) {
+			event.preventDefault();
+			$( 'body' ).addClass( 'show-upload-theme' );
+			themes.router.navigate( themes.router.baseUrl( '?upload' ), { replace: true } );
+		});
+		$( 'a.browse-themes' ).on( 'click', function( event ) {
+			event.preventDefault();
+			$( 'body' ).removeClass( 'show-upload-theme' );
+			themes.router.navigate( themes.router.baseUrl( '' ), { replace: true } );
+		});
+	},
+	// Toggle the full filters navigation
+	moreFilters: function( event ) {
+		event.preventDefault();
+		if ( $( 'body' ).hasClass( 'filters-applied' ) ) {
+			return this.backToFilters();
+		}
+		// If the filters section is opened and filters are checked
+		// run the relevant query collapsing to filtered-by state
+		if ( $( 'body' ).hasClass( 'show-filters' ) && this.filtersChecked() ) {
+			return this.addFilter();
+		}
+		this.clearSearch();
+		themes.router.navigate( themes.router.baseUrl( '' ) );
+		$( 'body' ).toggleClass( 'show-filters' );
+	},
+	// Clears all the checked filters
+	// @uses filtersChecked()
+	clearFilters: function( event ) {
+		var items = $( '.filter-group' ).find( ':checkbox' ),
+			self = this;
+		event.preventDefault();
+		_.each( items.filter( ':checked' ), function( item ) {
+			$( item ).prop( 'checked', false );
+			return self.filtersChecked();
+		});
+	},
+	backToFilters: function( event ) {
+		if ( event ) {
+			event.preventDefault();
+		}
+		$( 'body' ).removeClass( 'filters-applied' );
+	},
+	clearSearch: function() {
+		$( '#wp-filter-search-input').val( '' );
+	}
+});
+themes.InstallerRouter = Backbone.Router.extend({
+	routes: {
+		'theme-install.php?theme=:slug': 'preview',
+		'theme-install.php?browse=:sort': 'sort',
+		'theme-install.php?upload': 'upload',
+		'theme-install.php?search=:query': 'search',
+		'theme-install.php': 'sort'
+	},
+	baseUrl: function( url ) {
+		return 'theme-install.php' + url;
+	},
+	themePath: '?theme=',
+	browsePath: '?browse=',
+	searchPath: '?search=',
+	search: function( query ) {
+		$( '.wp-filter-search' ).val( query );
+	},
+	navigate: function() {
+		if ( Backbone.history._hasPushState ) {
+			Backbone.Router.prototype.navigate.apply( this, arguments );
+		}
+	}
+});
+themes.RunInstaller = {
+	init: function() {
+		// Set up the view
+		// Passes the default 'section' as an option
+		this.view = new themes.view.Installer({
+			section: 'featured',
+			SearchView: themes.view.InstallerSearch
+		});
+		// Render results
+		this.render();
+	},
+	render: function() {
+		// Render results
+		this.view.render();
+		this.routes();
+		Backbone.history.start({
+			root: themes.data.settings.adminUrl,
+			pushState: true,
+			hashChange: false
+		});
+	},
+	routes: function() {
+		var self = this,
+			request = {};
+		// Bind to our global `wp.themes` object
+		// so that the router is available to sub-views
+		themes.router = new themes.InstallerRouter();
+		// Handles `theme` route event
+		// Queries the API for the passed theme slug
+		themes.router.on( 'route:preview', function( slug ) {
+			request.theme = slug;
+			self.view.collection.query( request );
+		});
+		// Handles sorting / browsing routes
+		// Also handles the root URL triggering a sort request
+		// for `featured`, the default view
+		themes.router.on( 'route:sort', function( sort ) {
+			if ( ! sort ) {
+				sort = 'featured';
+			}
+			self.view.sort( sort );
+			self.view.trigger( 'theme:close' );
+		});
+		// Support the `upload` route by going straight to upload section
+		themes.router.on( 'route:upload', function() {
+			$( 'a.upload' ).trigger( 'click' );
+		});
+		// The `search` route event. The router populates the input field.
+		themes.router.on( 'route:search', function() {
+			$( '.wp-filter-search' ).focus().trigger( 'keyup' );
+		});
+		this.extraRoutes();
+	},
+	extraRoutes: function() {
+		return false;
+	}
+};
+// Ready...
+$( document ).ready(function() {
+	if ( themes.isInstall ) {
+		themes.RunInstaller.init();
+	} else {
+		themes.Run.init();
+	}
+	$( '.broken-themes .delete-theme' ).on( 'click', function() {
+		return confirm( _wpThemeSettings.settings.confirmDelete );
 	});
 });
-/**
+})( jQuery );
-* Theme Browser Thickbox
-*
+// Align theme browser thickbox
-* Aligns theme browser thickbox.
-*/
 var tb_position;
 jQuery(document).ready( function($) {
 	tb_position = function() {
-		var tbWindow = $('#TB_window'), width = $(window).width(), H = $(window).height(), W = ( 1040 < width ) ? 1040 : width, adminbar_height = 0;
+		var tbWindow = $('#TB_window'),
+			width = $(window).width(),
-		if ( $('body.admin-bar').length )
+			H = $(window).height(),
-			adminbar_height = 28;
+			W = ( 1040 < width ) ? 1040 : width,
+			adminbar_height = 0;
+		if ( $('#wpadminbar').length ) {
+			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );
+		}
 		if ( tbWindow.size() ) {
 			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );
 			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );
 			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});
-			if ( typeof document.body.style.maxWidth != 'undefined' )
+			if ( typeof document.body.style.maxWidth !== 'undefined' ) {
-				tbWindow.css({'top': 20 + adminbar_height + 'px','margin-top':'0'});
+				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
-		};
+			}
+		}
 	};
 	$(window).resize(function(){ tb_position(); });
 });
-/**
-* Theme Install
-*
-* Displays theme previews on theme install pages.
-*/
-jQuery( function($) {
-	if( ! window.postMessage )
-		return;
-	var preview = $('#theme-installer'),
-		info    = preview.find('.install-theme-info'),
-		panel   = preview.find('.wp-full-overlay-main'),
-		body    = $( document.body );
-	preview.on( 'click', '.close-full-overlay', function( event ) {
-		preview.fadeOut( 200, function() {
-			panel.empty();
-			body.removeClass('theme-installer-active full-overlay-active');
-		});
-		event.preventDefault();
-	});
-	preview.on( 'click', '.collapse-sidebar', function( event ) {
-		preview.toggleClass( 'collapsed' ).toggleClass( 'expanded' );
-		event.preventDefault();
-	});
-	$('#availablethemes').on( 'click', '.install-theme-preview', function( event ) {
-		var src;
-		info.html( $(this).closest('.installable-theme').find('.install-theme-info').html() );
-		src = info.find( '.theme-preview-url' ).val();
-		panel.html( '<iframe src="' + src + '" />');
-		preview.fadeIn( 200, function() {
-			body.addClass('theme-installer-active full-overlay-active');
-		});
-		event.preventDefault();
-	});
-});
-var ThemeViewer;
-(function($){
-	ThemeViewer = function( args ) {
-		function init() {
-			$( '#filter-click, #mini-filter-click' ).unbind( 'click' ).click( function() {
-				$( '#filter-click' ).toggleClass( 'current' );
-				$( '#filter-box' ).slideToggle();
-				$( '#current-theme' ).slideToggle( 300 );
-				return false;
-			});
-			$( '#filter-box :checkbox' ).unbind( 'click' ).click( function() {
-				var count = $( '#filter-box :checked' ).length,
-					text  = $( '#filter-click' ).text();
-				if ( text.indexOf( '(' ) != -1 )
-					text = text.substr( 0, text.indexOf( '(' ) );
-				if ( count == 0 )
-					$( '#filter-click' ).text( text );
-				else
-					$( '#filter-click' ).text( text + ' (' + count + ')' );
-			});
-			/* $('#filter-box :submit').unbind( 'click' ).click(function() {
-				var features = [];
-				$('#filter-box :checked').each(function() {
-					features.push($(this).val());
-				});
-				listTable.update_rows({'features': features}, true, function() {
-					$( '#filter-click' ).toggleClass( 'current' );
-					$( '#filter-box' ).slideToggle();
-					$( '#current-theme' ).slideToggle( 300 );
-				});
-				return false;
-			}); */
-		}
-		// These are the functions we expose
-		var api = {
-			init: init
-		};
-	return api;
-	}
-})(jQuery);
-jQuery( document ).ready( function($) {
-	theme_viewer = new ThemeViewer();
-	theme_viewer.init();
-});
-/**
-* Class that provides infinite scroll for Themes admin screens
-*
-* @since 3.4
-*
-* @uses ajaxurl
-* @uses list_args
-* @uses theme_list_args
-* @uses $('#_ajax_fetch_list_nonce').val()
-* */
-var ThemeScroller;
-(function($){
-	ThemeScroller = {
-		querying: false,
-		scrollPollingDelay: 500,
-		failedRetryDelay: 4000,
-		outListBottomThreshold: 300,
-		/**
-		 * Initializer
-		 *
-		 * @since 3.4
-		 * @access private
-		 */
-		init: function() {
-			var self = this;
-			// Get out early if we don't have the required arguments.
-			if ( typeof ajaxurl === 'undefined' ||
-				 typeof list_args === 'undefined' ||
-				 typeof theme_list_args === 'undefined' ) {
-					$('.pagination-links').show();
-					return;
-			}
-			// Handle inputs
-			this.nonce = $('#_ajax_fetch_list_nonce').val();
-			this.nextPage = ( theme_list_args.paged + 1 );
-			// Cache jQuery selectors
-			this.$outList = $('#availablethemes');
-			this.$spinner = $('div.tablenav.bottom').children( '.spinner' );
-			this.$window = $(window);
-			this.$document = $(document);
-			/**
-			 * If there are more pages to query, then start polling to track
-			 * when user hits the bottom of the current page
-			 */
-			if ( theme_list_args.total_pages >= this.nextPage )
-				this.pollInterval =
-					setInterval( function() {
-						return self.poll();
-					}, this.scrollPollingDelay );
-		},
-		/**
-		 * Checks to see if user has scrolled to bottom of page.
-		 * If so, requests another page of content from self.ajax().
-		 *
-		 * @since 3.4
-		 * @access private
-		 */
-		poll: function() {
-			var bottom = this.$document.scrollTop() + this.$window.innerHeight();
-			if ( this.querying ||
-				( bottom < this.$outList.height() - this.outListBottomThreshold ) )
-				return;
-			this.ajax();
-		},
-		/**
-		 * Applies results passed from this.ajax() to $outList
-		 *
-		 * @since 3.4
-		 * @access private
-		 *
-		 * @param results Array with results from this.ajax() query.
-		 */
-		process: function( results ) {
-			if ( results === undefined ) {
-				clearInterval( this.pollInterval );
-				return;
-			}
-			if ( this.nextPage > theme_list_args.total_pages )
-				clearInterval( this.pollInterval );
-			if ( this.nextPage <= ( theme_list_args.total_pages + 1 ) )
-				this.$outList.append( results.rows );
-		},
-		/**
-		 * Queries next page of themes
-		 *
-		 * @since 3.4
-		 * @access private
-		 */
-		ajax: function() {
-			var self = this;
-			this.querying = true;
-			var query = {
-				action: 'fetch-list',
-				paged: this.nextPage,
-				s: theme_list_args.search,
-				tab: theme_list_args.tab,
-				type: theme_list_args.type,
-				_ajax_fetch_list_nonce: this.nonce,
-				'features[]': theme_list_args.features,
-				'list_args': list_args
-			};
-			this.$spinner.show();
-			$.getJSON( ajaxurl, query )
-				.done( function( response ) {
-					self.nextPage++;
-					self.process( response );
-					self.$spinner.hide();
-					self.querying = false;
-				})
-				.fail( function() {
-					self.$spinner.hide();
-					self.querying = false;
-					setTimeout( function() { self.ajax(); }, self.failedRetryDelay );
-				});
-		}
-	}
-	$(document).ready( function($) {
-		ThemeScroller.init();
-	});
-})(jQuery);

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