/* 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 );
this.active = new api.Value( this.params.active );
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() );
});
});
control.active.bind( function ( active ) {
control.toggle( active );
} );
control.toggle( control.active() );
},
ready: function() {},
/**
* Callback for change to the control's active state.
*
* Override function for custom behavior for the control being active/inactive.
*
* @param {Boolean} active
*/
toggle: function ( active ) {
if ( active ) {
this.container.slideDown();
} else {
this.container.slideUp();
}
},
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 = $( '' )
.data( 'customizeImageValue', attachment.get('url') )
.append( '
' )
.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 = $('#customize-control-header_image .actions .remove');
this.btnNew = $('#customize-control-header_image .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.bind( 'ready', function ( data ) {
if ( ! data || ! data.activeControls ) {
return;
}
$.each( data.activeControls, function ( id, active ) {
var control = api.control( id );
if ( control ) {
control.active( active );
}
} );
} );
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('