Web.Admin/2014/wordpress/wp-admin/js/customize-controls.js
/* globals _wpCustomizeHeader, _wpMediaViewsL10n */
(function( exports, $ ){
var api = wp.customize;
/**
* @param options
* - previewer - The Previewer instance to sync with.
* - transport - The transport to use for previewing. Supports 'refresh' and 'postMessage'.
*/
api.Setting = api.Value.extend({
initialize: function( id, value, options ) {
api.Value.prototype.initialize.call( this, value, options );
this.id = id;
this.transport = this.transport || 'refresh';
this.bind( this.preview );
},
preview: function() {
switch ( this.transport ) {
case 'refresh':
return this.previewer.refresh();
case 'postMessage':
return this.previewer.send( 'setting', [ this.id, this() ] );
}
}
});
api.Control = api.Class.extend({
initialize: function( id, options ) {
var control = this,
nodes, radios, settings;
this.params = {};
$.extend( this, options || {} );
this.id = id;
this.selector = '#customize-control-' + id.replace( /\]/g, '' ).replace( /\[/g, '-' );
this.container = $( this.selector );
settings = $.map( this.params.settings, function( value ) {
return value;
});
api.apply( api, settings.concat( function() {
var key;
control.settings = {};
for ( key in control.params.settings ) {
control.settings[ key ] = api( control.params.settings[ key ] );
}
control.setting = control.settings['default'] || null;
control.ready();
}) );
control.elements = [];
nodes = this.container.find('[data-customize-setting-link]');
radios = {};
nodes.each( function() {
var node = $(this),
name;
if ( node.is(':radio') ) {
name = node.prop('name');
if ( radios[ name ] )
return;
radios[ name ] = true;
node = nodes.filter( '[name="' + name + '"]' );
}
api( node.data('customizeSettingLink'), function( setting ) {
var element = new api.Element( node );
control.elements.push( element );
element.sync( setting );
element.set( setting() );
});
});
},
ready: function() {},
dropdownInit: function() {
var control = this,
statuses = this.container.find('.dropdown-status'),
params = this.params,
toggleFreeze = false,
update = function( to ) {
if ( typeof to === 'string' && params.statuses && params.statuses[ to ] )
statuses.html( params.statuses[ to ] ).show();
else
statuses.hide();
};
// Support the .dropdown class to open/close complex elements
this.container.on( 'click keydown', '.dropdown', function( event ) {
if ( event.type === 'keydown' && 13 !== event.which ) // enter
return;
event.preventDefault();
if (!toggleFreeze)
control.container.toggleClass('open');
if ( control.container.hasClass('open') )
control.container.parent().parent().find('li.library-selected').focus();
// Don't want to fire focus and click at same time
toggleFreeze = true;
setTimeout(function () {
toggleFreeze = false;
}, 400);
});
this.setting.bind( update );
update( this.setting() );
}
});
api.ColorControl = api.Control.extend({
ready: function() {
var control = this,
picker = this.container.find('.color-picker-hex');
picker.val( control.setting() ).wpColorPicker({
change: function() {
control.setting.set( picker.wpColorPicker('color') );
},
clear: function() {
control.setting.set( false );
}
});
}
});
api.UploadControl = api.Control.extend({
ready: function() {
var control = this;
this.params.removed = this.params.removed || '';
this.success = $.proxy( this.success, this );
this.uploader = $.extend({
container: this.container,
browser: this.container.find('.upload'),
dropzone: this.container.find('.upload-dropzone'),
success: this.success,
plupload: {},
params: {}
}, this.uploader || {} );
if ( control.params.extensions ) {
control.uploader.plupload.filters = [{
title: api.l10n.allowedFiles,
extensions: control.params.extensions
}];
}
if ( control.params.context )
control.uploader.params['post_data[context]'] = this.params.context;
if ( api.settings.theme.stylesheet )
control.uploader.params['post_data[theme]'] = api.settings.theme.stylesheet;
this.uploader = new wp.Uploader( this.uploader );
this.remover = this.container.find('.remove');
this.remover.on( 'click keydown', function( event ) {
if ( event.type === 'keydown' && 13 !== event.which ) // enter
return;
control.setting.set( control.params.removed );
event.preventDefault();
});
this.removerVisibility = $.proxy( this.removerVisibility, this );
this.setting.bind( this.removerVisibility );
this.removerVisibility( this.setting.get() );
},
success: function( attachment ) {
this.setting.set( attachment.get('url') );
},
removerVisibility: function( to ) {
this.remover.toggle( to != this.params.removed );
}
});
api.ImageControl = api.UploadControl.extend({
ready: function() {
var control = this,
panels;
this.uploader = {
init: function() {
var fallback, button;
if ( this.supports.dragdrop )
return;
// Maintain references while wrapping the fallback button.
fallback = control.container.find( '.upload-fallback' );
button = fallback.children().detach();
this.browser.detach().empty().append( button );
fallback.append( this.browser ).show();
}
};
api.UploadControl.prototype.ready.call( this );
this.thumbnail = this.container.find('.preview-thumbnail img');
this.thumbnailSrc = $.proxy( this.thumbnailSrc, this );
this.setting.bind( this.thumbnailSrc );
this.library = this.container.find('.library');
// Generate tab objects
this.tabs = {};
panels = this.library.find('.library-content');
this.library.children('ul').children('li').each( function() {
var link = $(this),
id = link.data('customizeTab'),
panel = panels.filter('[data-customize-tab="' + id + '"]');
control.tabs[ id ] = {
both: link.add( panel ),
link: link,
panel: panel
};
});
// Bind tab switch events
this.library.children('ul').on( 'click keydown', 'li', function( event ) {
if ( event.type === 'keydown' && 13 !== event.which ) // enter
return;
var id = $(this).data('customizeTab'),
tab = control.tabs[ id ];
event.preventDefault();
if ( tab.link.hasClass('library-selected') )
return;
control.selected.both.removeClass('library-selected');
control.selected = tab;
control.selected.both.addClass('library-selected');
});
// Bind events to switch image urls.
this.library.on( 'click keydown', 'a', function( event ) {
if ( event.type === 'keydown' && 13 !== event.which ) // enter
return;
var value = $(this).data('customizeImageValue');
if ( value ) {
control.setting.set( value );
event.preventDefault();
}
});
if ( this.tabs.uploaded ) {
this.tabs.uploaded.target = this.library.find('.uploaded-target');
if ( ! this.tabs.uploaded.panel.find('.thumbnail').length )
this.tabs.uploaded.both.addClass('hidden');
}
// Select a tab
panels.each( function() {
var tab = control.tabs[ $(this).data('customizeTab') ];
// Select the first visible tab.
if ( ! tab.link.hasClass('hidden') ) {
control.selected = tab;
tab.both.addClass('library-selected');
return false;
}
});
this.dropdownInit();
},
success: function( attachment ) {
api.UploadControl.prototype.success.call( this, attachment );
// Add the uploaded image to the uploaded tab.
if ( this.tabs.uploaded && this.tabs.uploaded.target.length ) {
this.tabs.uploaded.both.removeClass('hidden');
// @todo: Do NOT store this on the attachment model. That is bad.
attachment.element = $( '<a href="#" class="thumbnail"></a>' )
.data( 'customizeImageValue', attachment.get('url') )
.append( '<img src="' + attachment.get('url')+ '" />' )
.appendTo( this.tabs.uploaded.target );
}
},
thumbnailSrc: function( to ) {
if ( /^(https?:)?\/\//.test( to ) )
this.thumbnail.prop( 'src', to ).show();
else
this.thumbnail.hide();
}
});
api.HeaderControl = api.Control.extend({
ready: function() {
this.btnRemove = $('.actions .remove');
this.btnNew = $('.actions .new');
_.bindAll(this, 'openMedia', 'removeImage');
this.btnNew.on( 'click', this.openMedia );
this.btnRemove.on( 'click', this.removeImage );
api.HeaderTool.currentHeader = new api.HeaderTool.ImageModel();
new api.HeaderTool.CurrentView({
model: api.HeaderTool.currentHeader,
el: '.current .container'
});
new api.HeaderTool.ChoiceListView({
collection: api.HeaderTool.UploadsList = new api.HeaderTool.ChoiceList(),
el: '.choices .uploaded .list'
});
new api.HeaderTool.ChoiceListView({
collection: api.HeaderTool.DefaultsList = new api.HeaderTool.DefaultsList(),
el: '.choices .default .list'
});
api.HeaderTool.combinedList = api.HeaderTool.CombinedList = new api.HeaderTool.CombinedList([
api.HeaderTool.UploadsList,
api.HeaderTool.DefaultsList
]);
},
/**
* Returns a set of options, computed from the attached image data and
* theme-specific data, to be fed to the imgAreaSelect plugin in
* wp.media.view.Cropper.
*
* @param {wp.media.model.Attachment} attachment
* @param {wp.media.controller.Cropper} controller
* @returns {Object} Options
*/
calculateImageSelectOptions: function(attachment, controller) {
var xInit = parseInt(_wpCustomizeHeader.data.width, 10),
yInit = parseInt(_wpCustomizeHeader.data.height, 10),
flexWidth = !! parseInt(_wpCustomizeHeader.data['flex-width'], 10),
flexHeight = !! parseInt(_wpCustomizeHeader.data['flex-height'], 10),
ratio, xImg, yImg, realHeight, realWidth,
imgSelectOptions;
realWidth = attachment.get('width');
realHeight = attachment.get('height');
this.headerImage = new api.HeaderTool.ImageModel();
this.headerImage.set({
themeWidth: xInit,
themeHeight: yInit,
themeFlexWidth: flexWidth,
themeFlexHeight: flexHeight,
imageWidth: realWidth,
imageHeight: realHeight
});
controller.set( 'canSkipCrop', ! this.headerImage.shouldBeCropped() );
ratio = xInit / yInit;
xImg = realWidth;
yImg = realHeight;
if ( xImg / yImg > ratio ) {
yInit = yImg;
xInit = yInit * ratio;
} else {
xInit = xImg;
yInit = xInit / ratio;
}
imgSelectOptions = {
handles: true,
keys: true,
instance: true,
persistent: true,
imageWidth: realWidth,
imageHeight: realHeight,
x1: 0,
y1: 0,
x2: xInit,
y2: yInit
};
if (flexHeight === false && flexWidth === false) {
imgSelectOptions.aspectRatio = xInit + ':' + yInit;
}
if (flexHeight === false ) {
imgSelectOptions.maxHeight = yInit;
}
if (flexWidth === false ) {
imgSelectOptions.maxWidth = xInit;
}
return imgSelectOptions;
},
/**
* Sets up and opens the Media Manager in order to select an image.
* Depending on both the size of the image and the properties of the
* current theme, a cropping step after selection may be required or
* skippable.
*
* @param {event} event
*/
openMedia: function(event) {
var l10n = _wpMediaViewsL10n;
event.preventDefault();
this.frame = wp.media({
button: {
text: l10n.selectAndCrop,
close: false
},
states: [
new wp.media.controller.Library({
title: l10n.chooseImage,
library: wp.media.query({ type: 'image' }),
multiple: false,
priority: 20,
suggestedWidth: _wpCustomizeHeader.data.width,
suggestedHeight: _wpCustomizeHeader.data.height
}),
new wp.media.controller.Cropper({
imgSelectOptions: this.calculateImageSelectOptions
})
]
});
this.frame.on('select', this.onSelect, this);
this.frame.on('cropped', this.onCropped, this);
this.frame.on('skippedcrop', this.onSkippedCrop, this);
this.frame.open();
},
onSelect: function() {
this.frame.setState('cropper');
},
onCropped: function(croppedImage) {
var url = croppedImage.post_content,
attachmentId = croppedImage.attachment_id,
w = croppedImage.width,
h = croppedImage.height;
this.setImageFromURL(url, attachmentId, w, h);
},
onSkippedCrop: function(selection) {
var url = selection.get('url'),
w = selection.get('width'),
h = selection.get('height');
this.setImageFromURL(url, selection.id, w, h);
},
/**
* Creates a new wp.customize.HeaderTool.ImageModel from provided
* header image data and inserts it into the user-uploaded headers
* collection.
*
* @param {String} url
* @param {Number} attachmentId
* @param {Number} width
* @param {Number} height
*/
setImageFromURL: function(url, attachmentId, width, height) {
var choice, data = {};
data.url = url;
data.thumbnail_url = url;
data.timestamp = _.now();
if (attachmentId) {
data.attachment_id = attachmentId;
}
if (width) {
data.width = width;
}
if (height) {
data.height = height;
}
choice = new api.HeaderTool.ImageModel({
header: data,
choice: url.split('/').pop()
});
api.HeaderTool.UploadsList.add(choice);
api.HeaderTool.currentHeader.set(choice.toJSON());
choice.save();
choice.importImage();
},
/**
* Triggers the necessary events to deselect an image which was set as
* the currently selected one.
*/
removeImage: function() {
api.HeaderTool.currentHeader.trigger('hide');
api.HeaderTool.CombinedList.trigger('control:removeImage');
}
});
// Change objects contained within the main customize object to Settings.
api.defaultConstructor = api.Setting;
// Create the collection of Control objects.
api.control = new api.Values({ defaultConstructor: api.Control });
api.PreviewFrame = api.Messenger.extend({
sensitivity: 2000,
initialize: function( params, options ) {
var deferred = $.Deferred();
// This is the promise object.
deferred.promise( this );
this.container = params.container;
this.signature = params.signature;
$.extend( params, { channel: api.PreviewFrame.uuid() });
api.Messenger.prototype.initialize.call( this, params, options );
this.add( 'previewUrl', params.previewUrl );
this.query = $.extend( params.query || {}, { customize_messenger_channel: this.channel() });
this.run( deferred );
},
run: function( deferred ) {
var self = this,
loaded = false,
ready = false;
if ( this._ready )
this.unbind( 'ready', this._ready );
this._ready = function() {
ready = true;
if ( loaded )
deferred.resolveWith( self );
};
this.bind( 'ready', this._ready );
this.request = $.ajax( this.previewUrl(), {
type: 'POST',
data: this.query,
xhrFields: {
withCredentials: true
}
} );
this.request.fail( function() {
deferred.rejectWith( self, [ 'request failure' ] );
});
this.request.done( function( response ) {
var location = self.request.getResponseHeader('Location'),
signature = self.signature,
index;
// Check if the location response header differs from the current URL.
// If so, the request was redirected; try loading the requested page.
if ( location && location != self.previewUrl() ) {
deferred.rejectWith( self, [ 'redirect', location ] );
return;
}
// Check if the user is not logged in.
if ( '0' === response ) {
self.login( deferred );
return;
}
// Check for cheaters.
if ( '-1' === response ) {
deferred.rejectWith( self, [ 'cheatin' ] );
return;
}
// Check for a signature in the request.
index = response.lastIndexOf( signature );
if ( -1 === index || index < response.lastIndexOf('</html>') ) {
deferred.rejectWith( self, [ 'unsigned' ] );
return;
}
// Strip the signature from the request.
response = response.slice( 0, index ) + response.slice( index + signature.length );
// Create the iframe and inject the html content.
self.iframe = $('<iframe />').appendTo( self.container );
// Bind load event after the iframe has been added to the page;
// otherwise it will fire when injected into the DOM.
self.iframe.one( 'load', function() {
loaded = true;
if ( ready ) {
deferred.resolveWith( self );
} else {
setTimeout( function() {
deferred.rejectWith( self, [ 'ready timeout' ] );
}, self.sensitivity );
}
});
self.targetWindow( self.iframe[0].contentWindow );
self.targetWindow().document.open();
self.targetWindow().document.write( response );
self.targetWindow().document.close();
});
},
login: function( deferred ) {
var self = this,
reject;
reject = function() {
deferred.rejectWith( self, [ 'logged out' ] );
};
if ( this.triedLogin )
return reject();
// Check if we have an admin cookie.
$.get( api.settings.url.ajax, {
action: 'logged-in'
}).fail( reject ).done( function( response ) {
var iframe;
if ( '1' !== response )
reject();
iframe = $('<iframe src="' + self.previewUrl() + '" />').hide();
iframe.appendTo( self.container );
iframe.load( function() {
self.triedLogin = true;
iframe.remove();
self.run( deferred );
});
});
},
destroy: function() {
api.Messenger.prototype.destroy.call( this );
this.request.abort();
if ( this.iframe )
this.iframe.remove();
delete this.request;
delete this.iframe;
delete this.targetWindow;
}
});
(function(){
var uuid = 0;
api.PreviewFrame.uuid = function() {
return 'preview-' + uuid++;
};
}());
api.Previewer = api.Messenger.extend({
refreshBuffer: 250,
/**
* Requires params:
* - container - a selector or jQuery element
* - previewUrl - the URL of preview frame
*/
initialize: function( params, options ) {
var self = this,
rscheme = /^https?/;
$.extend( this, options || {} );
/*
* Wrap this.refresh to prevent it from hammering the servers:
*
* If refresh is called once and no other refresh requests are
* loading, trigger the request immediately.
*
* If refresh is called while another refresh request is loading,
* debounce the refresh requests:
* 1. Stop the loading request (as it is instantly outdated).
* 2. Trigger the new request once refresh hasn't been called for
* self.refreshBuffer milliseconds.
*/
this.refresh = (function( self ) {
var refresh = self.refresh,
callback = function() {
timeout = null;
refresh.call( self );
},
timeout;
return function() {
if ( typeof timeout !== 'number' ) {
if ( self.loading ) {
self.abort();
} else {
return callback();
}
}
clearTimeout( timeout );
timeout = setTimeout( callback, self.refreshBuffer );
};
})( this );
this.container = api.ensure( params.container );
this.allowedUrls = params.allowedUrls;
this.signature = params.signature;
params.url = window.location.href;
api.Messenger.prototype.initialize.call( this, params );
this.add( 'scheme', this.origin() ).link( this.origin ).setter( function( to ) {
var match = to.match( rscheme );
return match ? match[0] : '';
});
// Limit the URL to internal, front-end links.
//
// If the frontend and the admin are served from the same domain, load the
// preview over ssl if the customizer is being loaded over ssl. This avoids
// insecure content warnings. This is not attempted if the admin and frontend
// are on different domains to avoid the case where the frontend doesn't have
// ssl certs.
this.add( 'previewUrl', params.previewUrl ).setter( function( to ) {
var result;
// Check for URLs that include "/wp-admin/" or end in "/wp-admin".
// Strip hashes and query strings before testing.
if ( /\/wp-admin(\/|$)/.test( to.replace( /[#?].*$/, '' ) ) )
return null;
// Attempt to match the URL to the control frame's scheme
// and check if it's allowed. If not, try the original URL.
$.each([ to.replace( rscheme, self.scheme() ), to ], function( i, url ) {
$.each( self.allowedUrls, function( i, allowed ) {
var path;
allowed = allowed.replace( /\/+$/, '' );
path = url.replace( allowed, '' );
if ( 0 === url.indexOf( allowed ) && /^([/#?]|$)/.test( path ) ) {
result = url;
return false;
}
});
if ( result )
return false;
});
// If we found a matching result, return it. If not, bail.
return result ? result : null;
});
// Refresh the preview when the URL is changed (but not yet).
this.previewUrl.bind( this.refresh );
this.scroll = 0;
this.bind( 'scroll', function( distance ) {
this.scroll = distance;
});
// Update the URL when the iframe sends a URL message.
this.bind( 'url', this.previewUrl );
},
query: function() {},
abort: function() {
if ( this.loading ) {
this.loading.destroy();
delete this.loading;
}
},
refresh: function() {
var self = this;
this.abort();
this.loading = new api.PreviewFrame({
url: this.url(),
previewUrl: this.previewUrl(),
query: this.query() || {},
container: this.container,
signature: this.signature
});
this.loading.done( function() {
// 'this' is the loading frame
this.bind( 'synced', function() {
if ( self.preview )
self.preview.destroy();
self.preview = this;
delete self.loading;
self.targetWindow( this.targetWindow() );
self.channel( this.channel() );
self.send( 'active' );
});
this.send( 'sync', {
scroll: self.scroll,
settings: api.get()
});
});
this.loading.fail( function( reason, location ) {
if ( 'redirect' === reason && location )
self.previewUrl( location );
if ( 'logged out' === reason ) {
if ( self.preview ) {
self.preview.destroy();
delete self.preview;
}
self.login().done( self.refresh );
}
if ( 'cheatin' === reason )
self.cheatin();
});
},
login: function() {
var previewer = this,
deferred, messenger, iframe;
if ( this._login )
return this._login;
deferred = $.Deferred();
this._login = deferred.promise();
messenger = new api.Messenger({
channel: 'login',
url: api.settings.url.login
});
iframe = $('<iframe src="' + api.settings.url.login + '" />').appendTo( this.container );
messenger.targetWindow( iframe[0].contentWindow );
messenger.bind( 'login', function() {
iframe.remove();
messenger.destroy();
delete previewer._login;
deferred.resolve();
});
return this._login;
},
cheatin: function() {
$( document.body ).empty().addClass('cheatin').append( '<p>' + api.l10n.cheatin + '</p>' );
}
});
/* =====================================================================
* Ready.
* ===================================================================== */
api.controlConstructor = {
color: api.ColorControl,
upload: api.UploadControl,
image: api.ImageControl,
header: api.HeaderControl
};
$( function() {
api.settings = window._wpCustomizeSettings;
api.l10n = window._wpCustomizeControlsL10n;
// Check if we can run the customizer.
if ( ! api.settings )
return;
// Redirect to the fallback preview if any incompatibilities are found.
if ( ! $.support.postMessage || ( ! $.support.cors && api.settings.isCrossDomain ) )
return window.location = api.settings.url.fallback;
var previewer, parent, topFocus,
body = $( document.body ),
overlay = body.children('.wp-full-overlay');
// Prevent the form from saving when enter is pressed on an input or select element.
$('#customize-controls').on( 'keydown', function( e ) {
var isEnter = ( 13 === e.which ),
$el = $( e.target );
if ( isEnter && ( $el.is( 'input:not([type=button])' ) || $el.is( 'select' ) ) ) {
e.preventDefault();
}
});
// Initialize Previewer
previewer = new api.Previewer({
container: '#customize-preview',
form: '#customize-controls',
previewUrl: api.settings.url.preview,
allowedUrls: api.settings.url.allowed,
signature: 'WP_CUSTOMIZER_SIGNATURE'
}, {
nonce: api.settings.nonce,
query: function() {
return {
wp_customize: 'on',
theme: api.settings.theme.stylesheet,
customized: JSON.stringify( api.get() ),
nonce: this.nonce.preview
};
},
save: function() {
var self = this,
query = $.extend( this.query(), {
action: 'customize_save',
nonce: this.nonce.save
} ),
processing = api.state( 'processing' ),
submitWhenDoneProcessing,
submit;
body.addClass( 'saving' );
submit = function () {
var request = $.post( api.settings.url.ajax, query );
api.trigger( 'save', request );
request.always( function () {
body.removeClass( 'saving' );
} );
request.done( function( response ) {
// Check if the user is logged out.
if ( '0' === response ) {
self.preview.iframe.hide();
self.login().done( function() {
self.save();
self.preview.iframe.show();
} );
return;
}
// Check for cheaters.
if ( '-1' === response ) {
self.cheatin();
return;
}
api.trigger( 'saved' );
} );
};
if ( 0 === processing() ) {
submit();
} else {
submitWhenDoneProcessing = function () {
if ( 0 === processing() ) {
api.state.unbind( 'change', submitWhenDoneProcessing );
submit();
}
};
api.state.bind( 'change', submitWhenDoneProcessing );
}
}
});
// Refresh the nonces if the preview sends updated nonces over.
previewer.bind( 'nonce', function( nonce ) {
$.extend( this.nonce, nonce );
});
$.each( api.settings.settings, function( id, data ) {
api.create( id, id, data.value, {
transport: data.transport,
previewer: previewer
} );
});
$.each( api.settings.controls, function( id, data ) {
var constructor = api.controlConstructor[ data.type ] || api.Control,
control;
control = api.control.add( id, new constructor( id, {
params: data,
previewer: previewer
} ) );
});
// Check if preview url is valid and load the preview frame.
if ( previewer.previewUrl() )
previewer.refresh();
else
previewer.previewUrl( api.settings.url.home );
// Save and activated states
(function() {
var state = new api.Values(),
saved = state.create( 'saved' ),
activated = state.create( 'activated' ),
processing = state.create( 'processing' );
state.bind( 'change', function() {
var save = $('#save'),
back = $('.back');
if ( ! activated() ) {
save.val( api.l10n.activate ).prop( 'disabled', false );
back.text( api.l10n.cancel );
} else if ( saved() ) {
save.val( api.l10n.saved ).prop( 'disabled', true );
back.text( api.l10n.close );
} else {
save.val( api.l10n.save ).prop( 'disabled', false );
back.text( api.l10n.cancel );
}
});
// Set default states.
saved( true );
activated( api.settings.theme.active );
processing( 0 );
api.bind( 'change', function() {
state('saved').set( false );
});
api.bind( 'saved', function() {
state('saved').set( true );
state('activated').set( true );
});
activated.bind( function( to ) {
if ( to )
api.trigger( 'activated' );
});
// Expose states to the API.
api.state = state;
}());
// Button bindings.
$('#save').click( function( event ) {
previewer.save();
event.preventDefault();
}).keydown( function( event ) {
if ( 9 === event.which ) // tab
return;
if ( 13 === event.which ) // enter
previewer.save();
event.preventDefault();
});
$('.back').keydown( function( event ) {
if ( 9 === event.which ) // tab
return;
if ( 13 === event.which ) // enter
this.click();
event.preventDefault();
});
$('.upload-dropzone a.upload').keydown( function( event ) {
if ( 13 === event.which ) // enter
this.click();
});
$('.collapse-sidebar').on( 'click keydown', function( event ) {
if ( event.type === 'keydown' && 13 !== event.which ) // enter
return;
overlay.toggleClass( 'collapsed' ).toggleClass( 'expanded' );
event.preventDefault();
});
// Create a potential postMessage connection with the parent frame.
parent = new api.Messenger({
url: api.settings.url.parent,
channel: 'loader'
});
// If we receive a 'back' event, we're inside an iframe.
// Send any clicks to the 'Return' link to the parent page.
parent.bind( 'back', function() {
$('.back').on( 'click.back', function( event ) {
event.preventDefault();
parent.send( 'close' );
});
});
// Pass events through to the parent.
api.bind( 'saved', function() {
parent.send( 'saved' );
});
// When activated, let the loader handle redirecting the page.
// If no loader exists, redirect the page ourselves (if a url exists).
api.bind( 'activated', function() {
if ( parent.targetWindow() )
parent.send( 'activated', api.settings.url.activated );
else if ( api.settings.url.activated )
window.location = api.settings.url.activated;
});
// Initialize the connection with the parent frame.
parent.send( 'ready' );
// Control visibility for default controls
$.each({
'background_image': {
controls: [ 'background_repeat', 'background_position_x', 'background_attachment' ],
callback: function( to ) { return !! to; }
},
'show_on_front': {
controls: [ 'page_on_front', 'page_for_posts' ],
callback: function( to ) { return 'page' === to; }
},
'header_textcolor': {
controls: [ 'header_textcolor' ],
callback: function( to ) { return 'blank' !== to; }
}
}, function( settingId, o ) {
api( settingId, function( setting ) {
$.each( o.controls, function( i, controlId ) {
api.control( controlId, function( control ) {
var visibility = function( to ) {
control.container.toggle( o.callback( to ) );
};
visibility( setting.get() );
setting.bind( visibility );
});
});
});
});
// Juggle the two controls that use header_textcolor
api.control( 'display_header_text', function( control ) {
var last = '';
control.elements[0].unsync( api( 'header_textcolor' ) );
control.element = new api.Element( control.container.find('input') );
control.element.set( 'blank' !== control.setting() );
control.element.bind( function( to ) {
if ( ! to )
last = api( 'header_textcolor' ).get();
control.setting.set( to ? last : 'blank' );
});
control.setting.bind( function( to ) {
control.element.set( 'blank' !== to );
});
});
api.trigger( 'ready' );
// Make sure left column gets focus
topFocus = $('.back');
topFocus.focus();
setTimeout(function () {
topFocus.focus();
}, 200);
});
})( wp, jQuery );