/* global _wpThemeSettings, confirm */ window.wp = window.wp || {}; ( function($) { // Set up our namespace... var themes, l10n; themes = wp.themes = wp.themes || {}; // Store the theme data and settings for organized and quick access // themes.data.settings, themes.data.themes, themes.data.l10n themes.data = _wpThemeSettings; l10n = themes.data.l10n; // Shortcut for isInstall check 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' ); }, // Defines search element container searchContainer: $( '#wpbody h1: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( $.parseHTML( '' ) ) .append( view.el ); }, // Checks when the user gets close to the bottom // of the mage and triggers a theme:scroll event scroller: function() { var self = this, bottom, threshold; bottom = this.window.scrollTop() + self.window.height(); threshold = self.$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 ); $( 'body' ).removeClass( 'no-results' ); } // Trigger a 'themes:update' event this.trigger( 'themes:update' ); }, // Performs a search within the collection // @uses RegExp search: function( term ) { var match, results, haystack, name, description, author; // Start with a full collection this.reset( themes.data.themes, { silent: true } ); // Escape the term string for RegExp meta characters term = term.replace( /[-\/\\^$*+?.()|[\]{}]/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( 'themes: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( 'themes: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 $( 'body' ).addClass( 'loading-content' ).removeClass( 'no-results' ); } } }); }, // Static status controller for when we are loading themes. loadingThemes: false }); // This is the view that controls each theme item // that will be displayed on the screen themes.view.Theme = wp.Backbone.View.extend({ // Wrap theme data on a div.theme element className: 'theme', // Reflects which theme view we have // 'grid' (default) or 'detail' state: 'grid', // The HTML template for each element to be rendered html: themes.template( 'theme' ), events: { 'click': themes.isInstall ? 'preview': 'expand', 'keydown': themes.isInstall ? 'preview': 'expand', 'touchend': themes.isInstall ? 'preview': 'expand', 'keyup': 'addFocus', 'touchmove': 'preventExpand', 'click .theme-install': 'installTheme', 'click .update-message': 'updateTheme' }, touchDrag: false, initialize: function() { this.model.on( 'change', this.render, this ); }, render: function() { var data = this.model.toJSON(); // Render themes using the html template this.$el.html( this.html( data ) ).attr({ tabindex: 0, 'aria-describedby' : data.id + '-action ' + data.id + '-name', 'data-slug': data.id }); // Renders active theme styles this.activeTheme(); if ( this.model.get( 'displayAuthor' ) ) { this.$el.addClass( 'display-author' ); } }, // Adds a class to the currently active theme // and to the overlay in detailed view mode activeTheme: function() { if ( this.model.get( 'active' ) ) { this.$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; } // Prevent the modal from showing when the user clicks one of the direct action buttons. if ( $( event.target ).is( '.theme-actions a, .update-message, .button-link, .notice-dismiss' ) ) { return; } // Set focused theme to current element themes.focusedTheme = this.$el; this.trigger( 'theme:expand', self.model.cid ); }, preventExpand: function() { this.touchDrag = true; }, preview: function( event ) { var self = this, current, preview; event = event || window.event; // 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 ).not( '.install-theme-preview' ).parents( '.theme-actions' ).length ) { 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' ); } }, installTheme: function( event ) { var _this = this; event.preventDefault(); wp.updates.maybeRequestFilesystemCredentials( event ); $( document ).on( 'wp-theme-install-success', function( event, response ) { if ( _this.model.get( 'id' ) === response.slug ) { _this.model.set( { 'installed': true } ); } } ); wp.updates.installTheme( { slug: $( event.target ).data( 'slug' ) } ); }, updateTheme: function( event ) { var _this = this; event.preventDefault(); wp.updates.maybeRequestFilesystemCredentials( event ); $( document ).on( 'wp-theme-update-success', function( event, response ) { _this.model.off( 'change', _this.render, _this ); if ( _this.model.get( 'id' ) === response.slug ) { _this.model.set( { hasUpdate: false, version: response.newVersion } ); } _this.model.on( 'change', _this.render, _this ); } ); wp.updates.updateTheme( { slug: $( event.target ).parents( 'div.theme' ).first().data( 'slug' ) } ); } }); // Theme Details view // Set ups a modal overlay with the expanded theme data themes.view.Details = wp.Backbone.View.extend({ // Wrap theme data on a div.theme element className: 'theme-overlay', events: { 'click': 'collapse', 'click .delete-theme': 'deleteTheme', 'click .left': 'previousTheme', 'click .right': 'nextTheme', 'click #update-theme': 'updateTheme' }, // The HTML template for the theme overlay html: themes.template( 'theme-single' ), render: function() { var data = this.model.toJSON(); this.$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' ) ); }, // Set initial focus and constrain tabbing within the theme browser modal. containFocus: function( $el ) { // Set initial focus on the primary action control. _.delay( function() { $( '.theme-wrap a.button-primary:visible' ).focus(); }, 100 ); // Constrain tabbing within the modal. $el.on( 'keydown.wp-themes', function( event ) { var $firstFocusable = $el.find( '.theme-header button:not(.disabled)' ).first(), $lastFocusable = $el.find( '.theme-actions a:visible' ).last(); // Check for the Tab key. if ( 9 === event.which ) { if ( $firstFocusable[0] === event.target && event.shiftKey ) { $lastFocusable.focus(); event.preventDefault(); } else if ( $lastFocusable[0] === event.target && ! event.shiftKey ) { $firstFocusable.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' ) .prop( 'disabled', true ); } if ( this.model.cid === this.model.collection.at( this.model.collection.length - 1 ).cid ) { this.$el.find( '.right' ) .addClass( 'disabled' ) .prop( 'disabled', true ); } }, // Performs the actions to effectively close // the theme details overlay closeOverlay: function() { $( 'body' ).removeClass( 'modal-open' ); this.remove(); this.unbind(); this.trigger( 'theme:collapse' ); }, updateTheme: function( event ) { var _this = this; event.preventDefault(); wp.updates.maybeRequestFilesystemCredentials( event ); $( document ).on( 'wp-theme-update-success', function( event, response ) { if ( _this.model.get( 'id' ) === response.slug ) { _this.model.set( { hasUpdate: false, version: response.newVersion } ); } _this.render(); } ); wp.updates.updateTheme( { slug: $( event.target ).data( 'slug' ) } ); }, deleteTheme: function( event ) { var _this = this, _collection = _this.model.collection, _themes = themes; event.preventDefault(); // Confirmation dialog for deleting a theme. if ( ! window.confirm( wp.themes.data.settings.confirmDelete ) ) { return; } wp.updates.maybeRequestFilesystemCredentials( event ); $( document ).one( 'wp-theme-delete-success', function( event, response ) { _this.$el.find( '.close' ).trigger( 'click' ); $( '[data-slug="' + response.slug + '"' ).css( { backgroundColor:'#faafaa' } ).fadeOut( 350, function() { $( this ).remove(); _themes.data.themes = _.without( _themes.data.themes, _.findWhere( _themes.data.themes, { id: response.slug } ) ); $( '.wp-filter-search' ).val( '' ); _collection.doSearch( '' ); _collection.remove( _this.model ); _collection.trigger( 'themes:update' ); } ); } ); wp.updates.deleteTheme( { slug: this.model.get( 'id' ) } ); }, nextTheme: function() { var self = this; self.trigger( 'theme:next', self.model.cid ); return false; }, previousTheme: function() { var self = this; self.trigger( 'theme:previous', self.model.cid ); return false; }, // Checks if the theme screenshot is the old 300px width version // and adds a corresponding class if it's true screenshotCheck: function( el ) { var screenshot, image; screenshot = el.find( '.screenshot img' ); image = new Image(); image.src = screenshot.attr( 'src' ); // Width check if ( image.width && image.width <= 300 ) { el.addClass( 'small-screenshot' ); } } }); // Theme Preview view // Set ups a modal overlay with the expanded theme data themes.view.Preview = themes.view.Details.extend({ className: 'wp-full-overlay expanded', el: '.theme-install-overlay', events: { 'click .close-full-overlay': 'close', 'click .collapse-sidebar': 'collapse', 'click .devices button': 'previewDevice', 'click .previous-theme': 'previousTheme', 'click .next-theme': 'nextTheme', 'keyup': 'keyEvent', 'click .theme-install': 'installTheme' }, // The HTML template for the theme preview html: themes.template( 'theme-preview' ), render: function() { var self = this, currentPreviewDevice, data = this.model.toJSON(); this.$el.removeClass( 'iframe-ready' ).html( this.html( data ) ); currentPreviewDevice = this.$el.data( 'current-preview-device' ); if ( currentPreviewDevice ) { self.tooglePreviewDeviceButtons( currentPreviewDevice ); } themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.get( 'id' ) ), { replace: true } ); this.$el.fadeIn( 200, function() { $( 'body' ).addClass( 'theme-installer-active full-overlay-active' ); $( '.close-full-overlay' ).focus(); }); this.$el.find( 'iframe' ).one( 'load', function() { self.iframeLoaded(); }); }, iframeLoaded: function() { this.$el.addClass( 'iframe-ready' ); }, close: function() { this.$el.fadeOut( 200, function() { $( 'body' ).removeClass( 'theme-installer-active full-overlay-active' ); // Return focus to the theme div if ( themes.focusedTheme ) { themes.focusedTheme.focus(); } }).removeClass( 'iframe-ready' ); themes.router.navigate( themes.router.baseUrl( '' ) ); this.trigger( 'preview:close' ); this.undelegateEvents(); this.unbind(); return false; }, collapse: function( event ) { var $button = $( event.currentTarget ); if ( 'true' === $button.attr( 'aria-expanded' ) ) { $button.attr({ 'aria-expanded': 'false', 'aria-label': l10n.expandSidebar }); } else { $button.attr({ 'aria-expanded': 'true', 'aria-label': l10n.collapseSidebar }); } this.$el.toggleClass( 'collapsed' ).toggleClass( 'expanded' ); return false; }, previewDevice: function( event ) { var device = $( event.currentTarget ).data( 'device' ); this.$el .removeClass( 'preview-desktop preview-tablet preview-mobile' ) .addClass( 'preview-' + device ) .data( 'current-preview-device', device ); this.tooglePreviewDeviceButtons( device ); }, tooglePreviewDeviceButtons: function( newDevice ) { var $devices = $( '.wp-full-overlay-footer .devices' ); $devices.find( 'button' ) .removeClass( 'active' ) .attr( 'aria-pressed', false ); $devices.find( 'button.preview-' + newDevice ) .addClass( 'active' ) .attr( 'aria-pressed', true ); }, 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(); } }, installTheme: function( event ) { var _this = this, $target = $( event.target ); event.preventDefault(); if ( $target.hasClass( 'disabled' ) ) { return; } wp.updates.maybeRequestFilesystemCredentials( event ); $( document ).on( 'wp-theme-install-success', function() { _this.model.set( { 'installed': true } ); } ); wp.updates.installTheme( { slug: $target.data( 'slug' ) } ); } }); // Controls the rendering of div.themes, // a wrapper that will hold all the theme elements themes.view.Themes = wp.Backbone.View.extend({ className: 'themes wp-clearfix', $overlay: $( 'div.theme-overlay' ), // Number to keep track of scroll position // while in theme-overlay mode index: 0, // The theme count element count: $( '.wrap .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, 'themes: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; } // Bail if the filesystem credentials dialog is shown. if ( $( '#request-filesystem-credentials-dialog' ).is( ':visible' ) ) { return; } // Pressing the right arrow key fires a theme:next event if ( event.keyCode === 39 ) { self.overlay.nextTheme(); } // Pressing the left arrow key fires a theme:previous event if ( event.keyCode === 37 ) { self.overlay.previousTheme(); } // Pressing the escape key fires a theme:collapse event if ( event.keyCode === 27 ) { self.overlay.collapse( event ); } }); }, // Manages rendering of theme pages // and keeping theme count in sync render: function() { // Clear the DOM, please this.$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 ); /* * In the theme installer the themes count is already announced * because `announceSearchResults` is called on `query:success`. */ if ( ! themes.isInstall ) { 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 ( ! themes.isInstall && 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.isInstall && themes.data.settings.canInstall ) { this.$el.append( '

' + l10n.addNew + '

' ); } 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, $card, $modal; // 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(); if ( this.model.get( 'hasUpdate' ) ) { $card = $( '[data-slug="' + this.model.id + '"]' ); $modal = $( this.overlay.el ); if ( $card.find( '.updating-message' ).length ) { $modal.find( '.notice-warning h3' ).remove(); $modal.find( '.notice-warning' ) .removeClass( 'notice-large' ) .addClass( 'updating-message' ) .find( 'p' ).text( wp.updates.l10n.updating ); } else if ( $card.find( '.notice-error' ).length ) { $modal.find( '.notice-warning' ).remove(); } } this.$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... // Clos