788 lines
20 KiB
JavaScript
788 lines
20 KiB
JavaScript
/* global _wpThemeSettings, confirm */
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window.wp = window.wp || {};
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( function($) {
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// Set up our namespace...
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var themes, l10n;
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themes = wp.themes = wp.themes || {};
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// Store the theme data and settings for organized and quick access
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// themes.data.settings, themes.data.themes, themes.data.l10n
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themes.data = _wpThemeSettings;
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l10n = themes.data.l10n;
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// Setup app structure
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_.extend( themes, { model: {}, view: {}, routes: {}, router: {}, template: wp.template });
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themes.model = Backbone.Model.extend({});
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// Main view controller for themes.php
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// Unifies and renders all available views
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themes.view.Appearance = wp.Backbone.View.extend({
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el: '#wpbody-content .wrap .theme-browser',
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window: $( window ),
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// Pagination instance
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page: 0,
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// Sets up a throttler for binding to 'scroll'
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initialize: function() {
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// Scroller checks how far the scroll position is
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_.bindAll( this, 'scroller' );
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// Bind to the scroll event and throttle
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// the results from this.scroller
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this.window.bind( 'scroll', _.throttle( this.scroller, 300 ) );
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},
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// Main render control
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render: function() {
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// Setup the main theme view
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// with the current theme collection
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this.view = new themes.view.Themes({
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collection: this.collection,
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parent: this
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});
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// Render search form.
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this.search();
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// Render and append
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this.view.render();
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this.$el.empty().append( this.view.el ).addClass('rendered');
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this.$el.append( '<br class="clear"/>' );
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},
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// Search input and view
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// for current theme collection
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search: function() {
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var view,
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self = this;
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// Don't render the search if there is only one theme
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if ( themes.data.themes.length === 1 ) {
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return;
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}
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view = new themes.view.Search({ collection: self.collection });
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// Render and append after screen title
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view.render();
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$('#wpbody h2:first')
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.append( $.parseHTML( '<label class="screen-reader-text" for="theme-search-input">' + l10n.search + '</label>' ) )
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.append( view.el );
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},
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// Checks when the user gets close to the bottom
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// of the mage and triggers a theme:scroll event
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scroller: function() {
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var self = this,
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bottom, threshold;
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bottom = this.window.scrollTop() + self.window.height();
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threshold = self.$el.offset().top + self.$el.outerHeight( false ) - self.window.height();
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threshold = Math.round( threshold * 0.9 );
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if ( bottom > threshold ) {
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this.trigger( 'theme:scroll' );
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}
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}
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});
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// Set up the Collection for our theme data
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// @has 'id' 'name' 'screenshot' 'author' 'authorURI' 'version' 'active' ...
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themes.Collection = Backbone.Collection.extend({
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model: themes.model,
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// Search terms
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terms: '',
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// Controls searching on the current theme collection
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// and triggers an update event
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doSearch: function( value ) {
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// Don't do anything if we've already done this search
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// Useful because the Search handler fires multiple times per keystroke
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if ( this.terms === value ) {
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return;
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}
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// Updates terms with the value passed
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this.terms = value;
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// If we have terms, run a search...
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if ( this.terms.length > 0 ) {
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this.search( this.terms );
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}
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// If search is blank, show all themes
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// Useful for resetting the views when you clean the input
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if ( this.terms === '' ) {
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this.reset( themes.data.themes );
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}
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// Trigger an 'update' event
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this.trigger( 'update' );
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},
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// Performs a search within the collection
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// @uses RegExp
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search: function( term ) {
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var match, results, haystack;
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// Start with a full collection
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this.reset( themes.data.themes, { silent: true } );
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// The RegExp object to match
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//
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// Consider spaces as word delimiters and match the whole string
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// so matching terms can be combined
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term = term.replace( ' ', ')(?=.*' );
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match = new RegExp( '^(?=.*' + term + ').+', 'i' );
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// Find results
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// _.filter and .test
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results = this.filter( function( data ) {
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haystack = _.union( data.get( 'name' ), data.get( 'id' ), data.get( 'description' ), data.get( 'author' ), data.get( 'tags' ) );
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if ( match.test( data.get( 'author' ) ) && term.length > 2 ) {
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data.set( 'displayAuthor', true );
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}
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return match.test( haystack );
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});
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this.reset( results );
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},
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// Paginates the collection with a helper method
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// that slices the collection
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paginate: function( instance ) {
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var collection = this;
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instance = instance || 0;
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// Themes per instance are set at 15
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collection = _( collection.rest( 15 * instance ) );
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collection = _( collection.first( 15 ) );
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return collection;
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}
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});
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// This is the view that controls each theme item
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// that will be displayed on the screen
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themes.view.Theme = wp.Backbone.View.extend({
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// Wrap theme data on a div.theme element
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className: 'theme',
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// Reflects which theme view we have
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// 'grid' (default) or 'detail'
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state: 'grid',
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// The HTML template for each element to be rendered
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html: themes.template( 'theme' ),
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events: {
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'click': 'expand',
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'keydown': 'expand',
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'touchend': 'expand',
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'touchmove': 'preventExpand'
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},
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touchDrag: false,
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render: function() {
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var data = this.model.toJSON();
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// Render themes using the html template
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this.$el.html( this.html( data ) ).attr({
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tabindex: 0,
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'aria-describedby' : data.id + '-action ' + data.id + '-name'
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});
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// Renders active theme styles
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this.activeTheme();
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if ( this.model.get( 'displayAuthor' ) ) {
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this.$el.addClass( 'display-author' );
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}
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},
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// Adds a class to the currently active theme
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// and to the overlay in detailed view mode
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activeTheme: function() {
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if ( this.model.get( 'active' ) ) {
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this.$el.addClass( 'active' );
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}
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},
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// Single theme overlay screen
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// It's shown when clicking a theme
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expand: function( event ) {
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var self = this;
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event = event || window.event;
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// 'enter' and 'space' keys expand the details view when a theme is :focused
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if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
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return;
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}
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// Bail if the user scrolled on a touch device
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if ( this.touchDrag === true ) {
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return this.touchDrag = false;
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}
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// Prevent the modal from showing when the user clicks
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// one of the direct action buttons
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if ( $( event.target ).is( '.theme-actions a' ) ) {
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return;
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}
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// Set focused theme to current element
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themes.focusedTheme = this.$el;
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this.trigger( 'theme:expand', self.model.cid );
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},
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preventExpand: function() {
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this.touchDrag = true;
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}
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});
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// Theme Details view
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// Set ups a modal overlay with the expanded theme data
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themes.view.Details = wp.Backbone.View.extend({
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// Wrap theme data on a div.theme element
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className: 'theme-overlay',
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events: {
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'click': 'collapse',
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'click .delete-theme': 'deleteTheme',
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'click .left': 'previousTheme',
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'click .right': 'nextTheme'
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},
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// The HTML template for the theme overlay
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html: themes.template( 'theme-single' ),
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render: function() {
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var data = this.model.toJSON();
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this.$el.html( this.html( data ) );
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// Renders active theme styles
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this.activeTheme();
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// Set up navigation events
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this.navigation();
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// Checks screenshot size
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this.screenshotCheck( this.$el );
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// Contain "tabbing" inside the overlay
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this.containFocus( this.$el );
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},
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// Adds a class to the currently active theme
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// and to the overlay in detailed view mode
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activeTheme: function() {
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// Check the model has the active property
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this.$el.toggleClass( 'active', this.model.get( 'active' ) );
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},
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// Keeps :focus within the theme details elements
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containFocus: function( $el ) {
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var $target;
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// Move focus to the primary action
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_.delay( function() {
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$( '.theme-wrap a.button-primary:visible' ).focus();
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}, 500 );
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$el.on( 'keydown.wp-themes', function( event ) {
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// Tab key
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if ( event.which === 9 ) {
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$target = $( event.target );
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// Keep focus within the overlay by making the last link on theme actions
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// switch focus to button.left on tabbing and vice versa
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if ( $target.is( 'button.left' ) && event.shiftKey ) {
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$el.find( '.theme-actions a:last-child' ).focus();
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event.preventDefault();
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} else if ( $target.is( '.theme-actions a:last-child' ) ) {
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$el.find( 'button.left' ).focus();
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event.preventDefault();
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}
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}
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});
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},
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// Single theme overlay screen
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// It's shown when clicking a theme
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collapse: function( event ) {
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var self = this,
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scroll;
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event = event || window.event;
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// Prevent collapsing detailed view when there is only one theme available
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if ( themes.data.themes.length === 1 ) {
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return;
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}
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// Detect if the click is inside the overlay
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// and don't close it unless the target was
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// the div.back button
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if ( $( event.target ).is( '.theme-backdrop' ) || $( event.target ).is( '.close' ) || event.keyCode === 27 ) {
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// Add a temporary closing class while overlay fades out
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$( 'body' ).addClass( 'closing-overlay' );
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// With a quick fade out animation
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this.$el.fadeOut( 130, function() {
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// Clicking outside the modal box closes the overlay
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$( 'body' ).removeClass( 'theme-overlay-open closing-overlay' );
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// Handle event cleanup
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self.closeOverlay();
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// Get scroll position to avoid jumping to the top
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scroll = document.body.scrollTop;
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// Clean the url structure
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themes.router.navigate( themes.router.baseUrl( '' ), { replace: true } );
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// Restore scroll position
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document.body.scrollTop = scroll;
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// Return focus to the theme div
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if ( themes.focusedTheme ) {
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themes.focusedTheme.focus();
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}
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});
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}
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},
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// Handles .disabled classes for next/previous buttons
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navigation: function() {
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// Disable Left/Right when at the start or end of the collection
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if ( this.model.cid === this.model.collection.at(0).cid ) {
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this.$el.find( '.left' ).addClass( 'disabled' );
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}
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if ( this.model.cid === this.model.collection.at( this.model.collection.length - 1 ).cid ) {
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this.$el.find( '.right' ).addClass( 'disabled' );
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}
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},
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// Performs the actions to effectively close
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// the theme details overlay
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closeOverlay: function() {
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this.remove();
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this.unbind();
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this.trigger( 'theme:collapse' );
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},
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// Confirmation dialoge for deleting a theme
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deleteTheme: function() {
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return confirm( themes.data.settings.confirmDelete );
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},
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nextTheme: function() {
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var self = this;
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self.trigger( 'theme:next', self.model.cid );
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},
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previousTheme: function() {
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var self = this;
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self.trigger( 'theme:previous', self.model.cid );
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},
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// Checks if the theme screenshot is the old 300px width version
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// and adds a corresponding class if it's true
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screenshotCheck: function( el ) {
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var screenshot, image;
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screenshot = el.find( '.screenshot img' );
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image = new Image();
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image.src = screenshot.attr( 'src' );
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// Width check
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if ( image.width && image.width <= 300 ) {
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el.addClass( 'small-screenshot' );
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}
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}
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});
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// Controls the rendering of div.themes,
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// a wrapper that will hold all the theme elements
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themes.view.Themes = wp.Backbone.View.extend({
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className: 'themes',
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$overlay: $( 'div.theme-overlay' ),
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// Number to keep track of scroll position
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// while in theme-overlay mode
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index: 0,
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// The theme count element
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count: $( '.theme-count' ),
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initialize: function( options ) {
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var self = this;
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// Set up parent
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this.parent = options.parent;
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// Set current view to [grid]
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this.setView( 'grid' );
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// Move the active theme to the beginning of the collection
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self.currentTheme();
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// When the collection is updated by user input...
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this.listenTo( self.collection, 'update', function() {
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self.parent.page = 0;
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self.currentTheme();
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self.render( this );
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});
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this.listenTo( this.parent, 'theme:scroll', function() {
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self.renderThemes( self.parent.page );
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});
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// Bind keyboard events.
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$('body').on( 'keyup', function( event ) {
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if ( ! self.overlay ) {
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return;
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}
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// Pressing the right arrow key fires a theme:next event
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if ( event.keyCode === 39 ) {
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self.overlay.nextTheme();
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}
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// Pressing the left arrow key fires a theme:previous event
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if ( event.keyCode === 37 ) {
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self.overlay.previousTheme();
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}
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// Pressing the escape key fires a theme:collapse event
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if ( event.keyCode === 27 ) {
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self.overlay.collapse( event );
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}
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});
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},
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// Manages rendering of theme pages
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// and keeping theme count in sync
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render: function() {
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// Clear the DOM, please
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this.$el.html( '' );
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// If the user doesn't have switch capabilities
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// or there is only one theme in the collection
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// render the detailed view of the active theme
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if ( themes.data.themes.length === 1 ) {
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// Constructs the view
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this.singleTheme = new themes.view.Details({
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model: this.collection.models[0]
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});
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// Render and apply a 'single-theme' class to our container
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this.singleTheme.render();
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this.$el.addClass( 'single-theme' );
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this.$el.append( this.singleTheme.el );
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}
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// Generate the themes
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// Using page instance
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this.renderThemes( this.parent.page );
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// Display a live theme count for the collection
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this.count.text( this.collection.length );
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},
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// Iterates through each instance of the collection
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// and renders each theme module
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renderThemes: function( page ) {
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var self = this;
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self.instance = self.collection.paginate( page );
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// If we have no more themes bail
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if ( self.instance.length === 0 ) {
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return;
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}
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// Make sure the add-new stays at the end
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if ( page >= 1 ) {
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$( '.add-new-theme' ).remove();
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}
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// Loop through the themes and setup each theme view
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self.instance.each( function( theme ) {
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self.theme = new themes.view.Theme({
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model: theme
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});
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// Render the views...
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self.theme.render();
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// and append them to div.themes
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self.$el.append( self.theme.el );
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// Binds to theme:expand to show the modal box
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// with the theme details
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self.listenTo( self.theme, 'theme:expand', self.expand, self );
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});
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// 'Add new theme' element shown at the end of the grid
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if ( themes.data.settings.canInstall ) {
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this.$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>' );
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}
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this.parent.page++;
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},
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// Grabs current theme and puts it at the beginning of the collection
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currentTheme: function() {
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var self = this,
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current;
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current = self.collection.findWhere({ active: true });
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// Move the active theme to the beginning of the collection
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if ( current ) {
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self.collection.remove( current );
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self.collection.add( current, { at:0 } );
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}
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},
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// Sets current view
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setView: function( view ) {
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return view;
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},
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// Renders the overlay with the ThemeDetails view
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// Uses the current model data
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expand: function( id ) {
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var self = this;
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// Set the current theme model
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this.model = self.collection.get( id );
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// Trigger a route update for the current model
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themes.router.navigate( themes.router.baseUrl( '?theme=' + this.model.id ), { replace: true } );
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// Sets this.view to 'detail'
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this.setView( 'detail' );
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$( 'body' ).addClass( 'theme-overlay-open' );
|
|
|
|
// Set up the theme details view
|
|
this.overlay = new themes.view.Details({
|
|
model: self.model
|
|
});
|
|
|
|
this.overlay.render();
|
|
this.$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 );
|
|
|
|
}
|
|
}
|
|
});
|
|
|
|
// Search input view controller.
|
|
themes.view.Search = wp.Backbone.View.extend({
|
|
|
|
tagName: 'input',
|
|
className: 'theme-search',
|
|
id: 'theme-search-input',
|
|
|
|
attributes: {
|
|
placeholder: l10n.searchPlaceholder,
|
|
type: 'search'
|
|
},
|
|
|
|
events: {
|
|
'input': 'search',
|
|
'keyup': 'search',
|
|
'change': 'search',
|
|
'search': 'search'
|
|
},
|
|
|
|
// Runs a search on the theme collection.
|
|
search: function( event ) {
|
|
// Clear on escape.
|
|
if ( event.type === 'keyup' && event.which === 27 ) {
|
|
event.target.value = '';
|
|
}
|
|
|
|
this.collection.doSearch( event.target.value );
|
|
|
|
// Update the URL hash
|
|
if ( event.target.value ) {
|
|
themes.router.navigate( themes.router.baseUrl( '?search=' + event.target.value ), { replace: true } );
|
|
} else {
|
|
themes.router.navigate( themes.router.baseUrl( '' ), { replace: true } );
|
|
}
|
|
}
|
|
});
|
|
|
|
// Sets up the routes events for relevant url queries
|
|
// Listens to [theme] and [search] params
|
|
themes.routes = Backbone.Router.extend({
|
|
|
|
initialize: function() {
|
|
this.routes = _.object([
|
|
]);
|
|
},
|
|
|
|
baseUrl: function( url ) {
|
|
return themes.data.settings.root + url;
|
|
}
|
|
});
|
|
|
|
// 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();
|
|
|
|
// Set the initial theme
|
|
if ( 'undefined' !== typeof themes.data.settings.theme && '' !== themes.data.settings.theme ){
|
|
this.view.view.theme.trigger( 'theme:expand', this.view.collection.findWhere( { id: themes.data.settings.theme } ) );
|
|
}
|
|
|
|
// Set the initial search
|
|
if ( 'undefined' !== typeof themes.data.settings.search && '' !== themes.data.settings.search ){
|
|
$( '.theme-search' ).val( themes.data.settings.search );
|
|
this.themes.doSearch( themes.data.settings.search );
|
|
}
|
|
|
|
// Start the router if browser supports History API
|
|
if ( window.history && window.history.pushState ) {
|
|
// Calls the routes functionality
|
|
Backbone.history.start({ pushState: true, silent: true });
|
|
}
|
|
},
|
|
|
|
routes: function() {
|
|
// Bind to our global thx object
|
|
// so that the object is available to sub-views
|
|
themes.router = new themes.routes();
|
|
}
|
|
};
|
|
|
|
// Ready...
|
|
jQuery( document ).ready(
|
|
|
|
// Bring on the themes
|
|
_.bind( themes.Run.init, themes.Run )
|
|
|
|
);
|
|
|
|
})( jQuery );
|
|
|
|
// Align theme browser thickbox
|
|
var tb_position;
|
|
jQuery(document).ready( function($) {
|
|
tb_position = function() {
|
|
var tbWindow = $('#TB_window'),
|
|
width = $(window).width(),
|
|
H = $(window).height(),
|
|
W = ( 1040 < width ) ? 1040 : width,
|
|
adminbar_height = 0;
|
|
|
|
if ( $('body.admin-bar').length ) {
|
|
adminbar_height = parseInt( jQuery('#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' ) {
|
|
tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
|
|
}
|
|
}
|
|
};
|
|
|
|
$(window).resize(function(){ tb_position(); });
|
|
});
|