Web.Admin/2014/wordpress/wp-admin/js/theme.js
/* 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');
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( $.parseHTML( '<label class="screen-reader-text" for="theme-search-input">' + l10n.search + '</label>' ) )
.append( view.el );
},
// Checks when the user gets close to the bottom
// of the mage and triggers a theme:scroll event
scroller: function() {
var self = this,
bottom, threshold;
bottom = this.window.scrollTop() + self.window.height();
threshold = self.$el.offset().top + self.$el.outerHeight( false ) - self.window.height();
threshold = Math.round( threshold * 0.9 );
if ( bottom > threshold ) {
this.trigger( 'theme:scroll' );
}
}
});
// Set up the Collection for our theme data
// @has 'id' 'name' 'screenshot' 'author' 'authorURI' 'version' 'active' ...
themes.Collection = Backbone.Collection.extend({
model: themes.Model,
// Search terms
terms: '',
// Controls searching on the current theme collection
// and triggers an update event
doSearch: function( value ) {
// Don't do anything if we've already done this search
// Useful because the Search handler fires multiple times per keystroke
if ( this.terms === value ) {
return;
}
// Updates terms with the value passed
this.terms = value;
// If we have terms, run a search...
if ( this.terms.length > 0 ) {
this.search( this.terms );
}
// If search is blank, show all themes
// Useful for resetting the views when you clean the input
if ( this.terms === '' ) {
this.reset( themes.data.themes );
}
// Trigger an 'update' event
this.trigger( 'update' );
},
// Performs a search within the collection
// @uses RegExp
search: function( term ) {
var match, results, haystack;
// Start with a full collection
this.reset( themes.data.themes, { silent: true } );
// Escape the term string for RegExp meta characters
term = term.replace( /[-\/\\^$*+?.()|[\]{}]/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 ) {
haystack = _.union( data.get( 'name' ), data.get( 'id' ), data.get( 'description' ), data.get( 'author' ), data.get( 'tags' ) );
if ( match.test( data.get( 'author' ) ) && term.length > 2 ) {
data.set( 'displayAuthor', true );
}
return match.test( haystack );
});
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
$( 'body' ).addClass( 'loading-themes' ).removeClass( 'no-results' );
}
}
});
},
// Static status controller for when we are loading themes.
loadingThemes: false
});
// This is the view that controls each theme item
// that will be displayed on the screen
themes.view.Theme = wp.Backbone.View.extend({
// Wrap theme data on a div.theme element
className: 'theme',
// Reflects which theme view we have
// 'grid' (default) or 'detail'
state: 'grid',
// The HTML template for each element to be rendered
html: themes.template( 'theme' ),
events: {
'click': themes.isInstall ? 'preview': 'expand',
'click .preview': 'preview',
'keydown': themes.isInstall ? 'preview': 'expand',
'touchend': themes.isInstall ? 'preview': 'expand',
'keyup': 'addFocus',
'touchmove': 'preventExpand'
},
touchDrag: false,
render: function() {
var data = this.model.toJSON();
// Render themes using the html template
this.$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' );
}
// Apend 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 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 ) ) {
self.options.parent.parent.trigger( 'theme:end' );
return self.current = current;
}
// Construct a new Preview view.
preview = new themes.view.Preview({
model: self.current
});
// Render and append.
preview.render();
this.setNavButtonsState();
$( 'div.wrap' ).append( preview.el );
$( '.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;
}
// Construct a new Preview view.
preview = new themes.view.Preview({
model: self.current
});
// Render and append.
preview.render();
this.setNavButtonsState();
$( 'div.wrap' ).append( preview.el );
$( '.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() {
$( 'body' ).removeClass( 'theme-overlay-open' );
this.remove();
this.unbind();
this.trigger( 'theme:collapse' );
},
// Confirmation dialog for deleting a theme
deleteTheme: function() {
return confirm( themes.data.settings.confirmDelete );
},
nextTheme: function() {
var self = this;
self.trigger( 'theme:next', self.model.cid );
return false;
},
previousTheme: function() {
var self = this;
self.trigger( 'theme:previous', self.model.cid );
return false;
},
// Checks if the theme screenshot is the old 300px width version
// and adds a corresponding class if it's true
screenshotCheck: function( el ) {
var screenshot, image;
screenshot = el.find( '.screenshot img' );
image = new Image();
image.src = screenshot.attr( 'src' );
// Width check
if ( image.width && image.width <= 300 ) {
el.addClass( 'small-screenshot' );
}
}
});
// Theme Preview view
// Set ups a modal overlay with the expanded theme data
themes.view.Preview = themes.view.Details.extend({
className: 'wp-full-overlay expanded',
el: '.theme-install-overlay',
events: {
'click .close-full-overlay': 'close',
'click .collapse-sidebar': 'collapse',
'click .previous-theme': 'previousTheme',
'click .next-theme': 'nextTheme',
'keyup': 'keyEvent'
},
// The HTML template for the theme preview
html: themes.template( 'theme-preview' ),
render: function() {
var data = this.model.toJSON();
this.$el.html( this.html( data ) );
themes.router.navigate( themes.router.baseUrl( '?theme=' + 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() {
$( 'body' ).removeClass( 'theme-installer-active full-overlay-active' );
// Return focus to the theme div
if ( themes.focusedTheme ) {
themes.focusedTheme.focus();
}
});
themes.router.navigate( themes.router.baseUrl( '' ) );
this.trigger( 'preview:close' );
this.unbind();
return false;
},
collapse: function() {
this.$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: $( '.theme-count' ),
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 );
} else {
self.count.text( 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.html( '' );
// 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.count.text( this.collection.count ? this.collection.count : this.collection.length );
},
// 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( '?theme=' + this.model.id ) );
// Sets this.view to 'detail'
this.setView( 'detail' );
$( 'body' ).addClass( 'theme-overlay-open' );
// Set up the theme details view
this.overlay = new themes.view.Details({
model: self.model
});
this.overlay.render();
this.$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',
searching: false,
attributes: {
placeholder: l10n.searchPlaceholder,
type: 'search'
},
events: {
'input': 'search',
'keyup': 'search',
'change': 'search',
'search': 'search',
'blur': 'pushState'
},
initialize: function( options ) {
this.parent = options.parent;
this.listenTo( this.parent, 'theme:close', function() {
this.searching = false;
} );
},
// Runs a search on the theme collection.
search: function( event ) {
var options = {};
// Clear on escape.
if ( event.type === 'keyup' && event.which === 27 ) {
event.target.value = '';
}
// Lose input focus when pressing enter
if ( event.which === 13 ) {
this.$el.trigger( 'blur' );
}
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( '?search=' + event.target.value ), options );
} else {
themes.router.navigate( themes.router.baseUrl( '' ) );
}
},
pushState: function( event ) {
var url = themes.router.baseUrl( '' );
if ( event.target.value ) {
url = themes.router.baseUrl( '?search=' + 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;
},
search: function( query ) {
$( '.theme-search' ).val( query );
},
themes: function() {
$( '.theme-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() {
$( '.theme-search' ).trigger( 'keyup' );
});
this.extraRoutes();
},
extraRoutes: function() {
return false;
}
};
// Extend the main Search view
themes.view.InstallerSearch = themes.view.Search.extend({
events: {
'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 = '';
}
_.debounce( _.bind( this.doSearch, this ), 300 )( 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 ) ];
}
$( '.theme-section.current' ).removeClass( 'current' );
$( 'body' ).removeClass( 'more-filters-opened 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( '?search=' + value ), { replace: true } );
}, 300 )
});
themes.view.Installer = themes.view.Appearance.extend({
el: '#wpbody-content .wrap',
// Register events for sorting and filters in theme-navigation
events: {
'click .theme-section': 'onSort',
'click .theme-filter': 'onFilter',
'click .more-filters': 'moreFilters',
'click .apply-filters': 'applyFilters',
'click [type="checkbox"]': 'addFilter',
'click .clear-filters': 'clearFilters',
'click .feature-name': 'filterSection',
'click .filtering-by a': '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-themes' );
$( '.theme-browser' ).find( 'div.error' ).remove();
});
this.listenTo( this.collection, 'query:fail', function() {
$( 'body' ).removeClass( 'loading-themes' );
$( '.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 more-filters-opened' );
// 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( '?browse=' + sort ) );
},
sort: function( sort ) {
this.clearSearch();
$( '.theme-section, .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;
}
$( '.theme-filter, .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 = $( '.filtering-by .tags' );
if ( event ) {
event.preventDefault();
}
$( 'body' ).addClass( 'filters-applied' );
$( '.theme-section.current' ).removeClass( 'current' );
filteringBy.empty();
_.each( tags, function( tag ) {
name = $( 'label[for="feature-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 = $( '.feature-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 ) {
$( '.apply-filters' ).find( 'span' ).text( '' );
$( '.clear-filters' ).hide();
$( 'body' ).removeClass( 'filters-applied' );
return false;
}
$( '.apply-filters' ).find( 'span' ).text( tags.length );
$( '.clear-filters' ).css( 'display', 'inline-block' );
return tags;
},
activeClass: 'current',
// Overwrite search container class to append search
// in new location
searchContainer: $( '.theme-navigation' ),
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( 'more-filters-opened' ) && this.filtersChecked() ) {
return this.addFilter();
}
this.clearSearch();
themes.router.navigate( themes.router.baseUrl( '' ) );
$( 'body' ).toggleClass( 'more-filters-opened' );
},
// Expand/collapse each individual filter section
filterSection: function() {
$( event.target ).parent().toggleClass( 'open' );
},
// Clears all the checked filters
// @uses filtersChecked()
clearFilters: function( event ) {
var items = $( '.feature-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() {
$( '#theme-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;
},
search: function( query ) {
$( '.theme-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() {
$( '.theme-search' ).focus().trigger( 'keyup' );
});
this.extraRoutes();
},
extraRoutes: function() {
return false;
}
};
// Ready...
$( document ).ready(function() {
if ( themes.isInstall ) {
themes.RunInstaller.init();
} else {
themes.Run.init();
}
});
})( jQuery );
// Align theme browser thickbox
var tb_position;
jQuery(document).ready( function($) {
tb_position = function() {
var tbWindow = $('#TB_window'),
width = $(window).width(),
H = $(window).height(),
W = ( 1040 < width ) ? 1040 : width,
adminbar_height = 0;
if ( $('#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' ) {
tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
}
}
};
$(window).resize(function(){ tb_position(); });
});