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/**
* @output wp-admin/js/customize-widgets.js
*/
/* global _wpCustomizeWidgetsSettings */
(function( wp, $ ){
if ( ! wp || ! wp.customize ) { return; }
// Set up our namespace...
var api = wp.customize,
l10n;
/**
* @namespace wp.customize.Widgets
*/
api.Widgets = api.Widgets || {};
api.Widgets.savedWidgetIds = {};
// Link settings
api.Widgets.data = _wpCustomizeWidgetsSettings || {};
l10n = api.Widgets.data.l10n;
/**
* wp.customize.Widgets.WidgetModel
*
* A single widget model.
*
* @class wp.customize.Widgets.WidgetModel
* @augments Backbone.Model
*/
api.Widgets.WidgetModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.WidgetModel.prototype */{
id: null,
temp_id: null,
classname: null,
control_tpl: null,
description: null,
is_disabled: null,
is_multi: null,
multi_number: null,
name: null,
id_base: null,
transport: null,
params: [],
width: null,
height: null,
search_matched: true
});
/**
* wp.customize.Widgets.WidgetCollection
*
* Collection for widget models.
*
* @class wp.customize.Widgets.WidgetCollection
* @augments Backbone.Collection
*/
api.Widgets.WidgetCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.WidgetCollection.prototype */{
model: api.Widgets.WidgetModel,
// Controls searching on the current widget 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, set all the widgets as they matched the search to reset the views.
if ( this.terms === '' ) {
this.each( function ( widget ) {
widget.set( 'search_matched', true );
} );
}
},
// Performs a search within the collection
// @uses RegExp
search: function( term ) {
var match, haystack;
// 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' );
this.each( function ( data ) {
haystack = [ data.get( 'name' ), data.get( 'id' ), data.get( 'description' ) ].join( ' ' );
data.set( 'search_matched', match.test( haystack ) );
} );
}
});
api.Widgets.availableWidgets = new api.Widgets.WidgetCollection( api.Widgets.data.availableWidgets );
/**
* wp.customize.Widgets.SidebarModel
*
* A single sidebar model.
*
* @class wp.customize.Widgets.SidebarModel
* @augments Backbone.Model
*/
api.Widgets.SidebarModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.SidebarModel.prototype */{
after_title: null,
after_widget: null,
before_title: null,
before_widget: null,
'class': null,
description: null,
id: null,
name: null,
is_rendered: false
});
/**
* wp.customize.Widgets.SidebarCollection
*
* Collection for sidebar models.
*
* @class wp.customize.Widgets.SidebarCollection
* @augments Backbone.Collection
*/
api.Widgets.SidebarCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.SidebarCollection.prototype */{
model: api.Widgets.SidebarModel
});
api.Widgets.registeredSidebars = new api.Widgets.SidebarCollection( api.Widgets.data.registeredSidebars );
api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Widgets.AvailableWidgetsPanelView.prototype */{
el: '#available-widgets',
events: {
'input #widgets-search': 'search',
'focus .widget-tpl' : 'focus',
'click .widget-tpl' : '_submit',
'keypress .widget-tpl' : '_submit',
'keydown' : 'keyboardAccessible'
},
// Cache current selected widget
selected: null,
// Cache sidebar control which has opened panel
currentSidebarControl: null,
$search: null,
$clearResults: null,
searchMatchesCount: null,
/**
* View class for the available widgets panel.
*
* @constructs wp.customize.Widgets.AvailableWidgetsPanelView
* @augments wp.Backbone.View
*/
initialize: function() {
var self = this;
this.$search = $( '#widgets-search' );
this.$clearResults = this.$el.find( '.clear-results' );
_.bindAll( this, 'close' );
this.listenTo( this.collection, 'change', this.updateList );
this.updateList();
// Set the initial search count to the number of available widgets.
this.searchMatchesCount = this.collection.length;
// If the available widgets panel is open and the customize controls are
// interacted with (i.e. available widgets panel is blurred) then close the
// available widgets panel. Also close on back button click.
$( '#customize-controls, #available-widgets .customize-section-title' ).on( 'click keydown', function( e ) {
var isAddNewBtn = $( e.target ).is( '.add-new-widget, .add-new-widget *' );
if ( $( 'body' ).hasClass( 'adding-widget' ) && ! isAddNewBtn ) {
self.close();
}
} );
// Clear the search results and trigger a `keyup` event to fire a new search.
this.$clearResults.on( 'click', function() {
self.$search.val( '' ).focus().trigger( 'keyup' );
} );
// Close the panel if the URL in the preview changes
api.previewer.bind( 'url', this.close );
},
/**
* Performs a search and handles selected widget.
*/
search: _.debounce( function( event ) {
var firstVisible;
this.collection.doSearch( event.target.value );
// Update the search matches count.
this.updateSearchMatchesCount();
// Announce how many search results.
this.announceSearchMatches();
// Remove a widget from being selected if it is no longer visible
if ( this.selected && ! this.selected.is( ':visible' ) ) {
this.selected.removeClass( 'selected' );
this.selected = null;
}
// If a widget was selected but the filter value has been cleared out, clear selection
if ( this.selected && ! event.target.value ) {
this.selected.removeClass( 'selected' );
this.selected = null;
}
// If a filter has been entered and a widget hasn't been selected, select the first one shown
if ( ! this.selected && event.target.value ) {
firstVisible = this.$el.find( '> .widget-tpl:visible:first' );
if ( firstVisible.length ) {
this.select( firstVisible );
}
}
// Toggle the clear search results button.
if ( '' !== event.target.value ) {
this.$clearResults.addClass( 'is-visible' );
} else if ( '' === event.target.value ) {
this.$clearResults.removeClass( 'is-visible' );
}
// Set a CSS class on the search container when there are no search results.
if ( ! this.searchMatchesCount ) {
this.$el.addClass( 'no-widgets-found' );
} else {
this.$el.removeClass( 'no-widgets-found' );
}
}, 500 ),
/**
* Updates the count of the available widgets that have the `search_matched` attribute.
*/
updateSearchMatchesCount: function() {
this.searchMatchesCount = this.collection.where({ search_matched: true }).length;
},
/**
* Sends a message to the aria-live region to announce how many search results.
*/
announceSearchMatches: function() {
var message = l10n.widgetsFound.replace( '%d', this.searchMatchesCount ) ;
if ( ! this.searchMatchesCount ) {
message = l10n.noWidgetsFound;
}
wp.a11y.speak( message );
},
/**
* Changes visibility of available widgets.
*/
updateList: function() {
this.collection.each( function( widget ) {
var widgetTpl = $( '#widget-tpl-' + widget.id );
widgetTpl.toggle( widget.get( 'search_matched' ) && ! widget.get( 'is_disabled' ) );
if ( widget.get( 'is_disabled' ) && widgetTpl.is( this.selected ) ) {
this.selected = null;
}
} );
},
/**
* Highlights a widget.
*/
select: function( widgetTpl ) {
this.selected = $( widgetTpl );
this.selected.siblings( '.widget-tpl' ).removeClass( 'selected' );
this.selected.addClass( 'selected' );
},
/**
* Highlights a widget on focus.
*/
focus: function( event ) {
this.select( $( event.currentTarget ) );
},
/**
* Handles submit for keypress and click on widget.
*/
_submit: function( event ) {
// Only proceed with keypress if it is Enter or Spacebar
if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
return;
}
this.submit( $( event.currentTarget ) );
},
/**
* Adds a selected widget to the sidebar.
*/
submit: function( widgetTpl ) {
var widgetId, widget, widgetFormControl;
if ( ! widgetTpl ) {
widgetTpl = this.selected;
}
if ( ! widgetTpl || ! this.currentSidebarControl ) {
return;
}
this.select( widgetTpl );
widgetId = $( this.selected ).data( 'widget-id' );
widget = this.collection.findWhere( { id: widgetId } );
if ( ! widget ) {
return;
}
widgetFormControl = this.currentSidebarControl.addWidget( widget.get( 'id_base' ) );
if ( widgetFormControl ) {
widgetFormControl.focus();
}
this.close();
},
/**
* Opens the panel.
*/
open: function( sidebarControl ) {
this.currentSidebarControl = sidebarControl;
// Wide widget controls appear over the preview, and so they need to be collapsed when the panel opens
_( this.currentSidebarControl.getWidgetFormControls() ).each( function( control ) {
if ( control.params.is_wide ) {
control.collapseForm();
}
} );
if ( api.section.has( 'publish_settings' ) ) {
api.section( 'publish_settings' ).collapse();
}
$( 'body' ).addClass( 'adding-widget' );
this.$el.find( '.selected' ).removeClass( 'selected' );
// Reset search
this.collection.doSearch( '' );
if ( ! api.settings.browser.mobile ) {
this.$search.focus();
}
},
/**
* Closes the panel.
*/
close: function( options ) {
options = options || {};
if ( options.returnFocus && this.currentSidebarControl ) {
this.currentSidebarControl.container.find( '.add-new-widget' ).focus();
}
this.currentSidebarControl = null;
this.selected = null;
$( 'body' ).removeClass( 'adding-widget' );
this.$search.val( '' );
},
/**
* Adds keyboard accessiblity to the panel.
*/
keyboardAccessible: function( event ) {
var isEnter = ( event.which === 13 ),
isEsc = ( event.which === 27 ),
isDown = ( event.which === 40 ),
isUp = ( event.which === 38 ),
isTab = ( event.which === 9 ),
isShift = ( event.shiftKey ),
selected = null,
firstVisible = this.$el.find( '> .widget-tpl:visible:first' ),
lastVisible = this.$el.find( '> .widget-tpl:visible:last' ),
isSearchFocused = $( event.target ).is( this.$search ),
isLastWidgetFocused = $( event.target ).is( '.widget-tpl:visible:last' );
if ( isDown || isUp ) {
if ( isDown ) {
if ( isSearchFocused ) {
selected = firstVisible;
} else if ( this.selected && this.selected.nextAll( '.widget-tpl:visible' ).length !== 0 ) {
selected = this.selected.nextAll( '.widget-tpl:visible:first' );
}
} else if ( isUp ) {
if ( isSearchFocused ) {
selected = lastVisible;
} else if ( this.selected && this.selected.prevAll( '.widget-tpl:visible' ).length !== 0 ) {
selected = this.selected.prevAll( '.widget-tpl:visible:first' );
}
}
this.select( selected );
if ( selected ) {
selected.focus();
} else {
this.$search.focus();
}
return;
}
// If enter pressed but nothing entered, don't do anything
if ( isEnter && ! this.$search.val() ) {
return;
}
if ( isEnter ) {
this.submit();
} else if ( isEsc ) {
this.close( { returnFocus: true } );
}
if ( this.currentSidebarControl && isTab && ( isShift && isSearchFocused || ! isShift && isLastWidgetFocused ) ) {
this.currentSidebarControl.container.find( '.add-new-widget' ).focus();
event.preventDefault();
}
}
});
/**
* Handlers for the widget-synced event, organized by widget ID base.
* Other widgets may provide their own update handlers by adding
* listeners for the widget-synced event.
*
* @alias wp.customize.Widgets.formSyncHandlers
*/
api.Widgets.formSyncHandlers = {
/**
* @param {jQuery.Event} e
* @param {jQuery} widget
* @param {String} newForm
*/
rss: function( e, widget, newForm ) {
var oldWidgetError = widget.find( '.widget-error:first' ),
newWidgetError = $( '<div>' + newForm + '</div>' ).find( '.widget-error:first' );
if ( oldWidgetError.length && newWidgetError.length ) {
oldWidgetError.replaceWith( newWidgetError );
} else if ( oldWidgetError.length ) {
oldWidgetError.remove();
} else if ( newWidgetError.length ) {
widget.find( '.widget-content:first' ).prepend( newWidgetError );
}
}
};
api.Widgets.WidgetControl = api.Control.extend(/** @lends wp.customize.Widgets.WidgetControl.prototype */{
defaultExpandedArguments: {
duration: 'fast',
completeCallback: $.noop
},
/**
* wp.customize.Widgets.WidgetControl
*
* Customizer control for widgets.
* Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type
*
* @since 4.1.0
*
* @constructs wp.customize.Widgets.WidgetControl
* @augments wp.customize.Control
*/
initialize: function( id, options ) {
var control = this;
control.widgetControlEmbedded = false;
control.widgetContentEmbedded = false;
control.expanded = new api.Value( false );
control.expandedArgumentsQueue = [];
control.expanded.bind( function( expanded ) {
var args = control.expandedArgumentsQueue.shift();
args = $.extend( {}, control.defaultExpandedArguments, args );
control.onChangeExpanded( expanded, args );
});
control.altNotice = true;
api.Control.prototype.initialize.call( control, id, options );
},
/**
* Set up the control.
*
* @since 3.9.0
*/
ready: function() {
var control = this;
/*
* Embed a placeholder once the section is expanded. The full widget
* form content will be embedded once the control itself is expanded,
* and at this point the widget-added event will be triggered.
*/
if ( ! control.section() ) {
control.embedWidgetControl();
} else {
api.section( control.section(), function( section ) {
var onExpanded = function( isExpanded ) {
if ( isExpanded ) {
control.embedWidgetControl();
section.expanded.unbind( onExpanded );
}
};
if ( section.expanded() ) {
onExpanded( true );
} else {
section.expanded.bind( onExpanded );
}
} );
}
},
/**
* Embed the .widget element inside the li container.
*
* @since 4.4.0
*/
embedWidgetControl: function() {
var control = this, widgetControl;
if ( control.widgetControlEmbedded ) {
return;
}
control.widgetControlEmbedded = true;
widgetControl = $( control.params.widget_control );
control.container.append( widgetControl );
control._setupModel();
control._setupWideWidget();
control._setupControlToggle();
control._setupWidgetTitle();
control._setupReorderUI();
control._setupHighlightEffects();
control._setupUpdateUI();
control._setupRemoveUI();
},
/**
* Embed the actual widget form inside of .widget-content and finally trigger the widget-added event.
*
* @since 4.4.0
*/
embedWidgetContent: function() {
var control = this, widgetContent;
control.embedWidgetControl();
if ( control.widgetContentEmbedded ) {
return;
}
control.widgetContentEmbedded = true;
// Update the notification container element now that the widget content has been embedded.
control.notifications.container = control.getNotificationsContainerElement();
control.notifications.render();
widgetContent = $( control.params.widget_content );
control.container.find( '.widget-content:first' ).append( widgetContent );
/*
* Trigger widget-added event so that plugins can attach any event
* listeners and dynamic UI elements.
*/
$( document ).trigger( 'widget-added', [ control.container.find( '.widget:first' ) ] );
},
/**
* Handle changes to the setting
*/
_setupModel: function() {
var self = this, rememberSavedWidgetId;
// Remember saved widgets so we know which to trash (move to inactive widgets sidebar)
rememberSavedWidgetId = function() {
api.Widgets.savedWidgetIds[self.params.widget_id] = true;
};
api.bind( 'ready', rememberSavedWidgetId );
api.bind( 'saved', rememberSavedWidgetId );
this._updateCount = 0;
this.isWidgetUpdating = false;
this.liveUpdateMode = true;
// Update widget whenever model changes
this.setting.bind( function( to, from ) {
if ( ! _( from ).isEqual( to ) && ! self.isWidgetUpdating ) {
self.updateWidget( { instance: to } );
}
} );
},
/**
* Add special behaviors for wide widget controls
*/
_setupWideWidget: function() {
var self = this, $widgetInside, $widgetForm, $customizeSidebar,
$themeControlsContainer, positionWidget;
if ( ! this.params.is_wide || $( window ).width() <= 640 /* max-width breakpoint in customize-controls.css */ ) {
return;
}
$widgetInside = this.container.find( '.widget-inside' );
$widgetForm = $widgetInside.find( '> .form' );
$customizeSidebar = $( '.wp-full-overlay-sidebar-content:first' );
this.container.addClass( 'wide-widget-control' );
this.container.find( '.form:first' ).css( {
'max-width': this.params.width,
'min-height': this.params.height
} );
/**
* Keep the widget-inside positioned so the top of fixed-positioned
* element is at the same top position as the widget-top. When the
* widget-top is scrolled out of view, keep the widget-top in view;
* likewise, don't allow the widget to drop off the bottom of the window.
* If a widget is too tall to fit in the window, don't let the height
* exceed the window height so that the contents of the widget control
* will become scrollable (overflow:auto).
*/
positionWidget = function() {
var offsetTop = self.container.offset().top,
windowHeight = $( window ).height(),
formHeight = $widgetForm.outerHeight(),
top;
$widgetInside.css( 'max-height', windowHeight );
top = Math.max(
0, // prevent top from going off screen
Math.min(
Math.max( offsetTop, 0 ), // distance widget in panel is from top of screen
windowHeight - formHeight // flush up against bottom of screen
)
);
$widgetInside.css( 'top', top );
};
$themeControlsContainer = $( '#customize-theme-controls' );
this.container.on( 'expand', function() {
positionWidget();
$customizeSidebar.on( 'scroll', positionWidget );
$( window ).on( 'resize', positionWidget );
$themeControlsContainer.on( 'expanded collapsed', positionWidget );
} );
this.container.on( 'collapsed', function() {
$customizeSidebar.off( 'scroll', positionWidget );
$( window ).off( 'resize', positionWidget );
$themeControlsContainer.off( 'expanded collapsed', positionWidget );
} );
// Reposition whenever a sidebar's widgets are changed
api.each( function( setting ) {
if ( 0 === setting.id.indexOf( 'sidebars_widgets[' ) ) {
setting.bind( function() {
if ( self.container.hasClass( 'expanded' ) ) {
positionWidget();
}
} );
}
} );
},
/**
* Show/hide the control when clicking on the form title, when clicking
* the close button
*/
_setupControlToggle: function() {
var self = this, $closeBtn;
this.container.find( '.widget-top' ).on( 'click', function( e ) {
e.preventDefault();
var sidebarWidgetsControl = self.getSidebarWidgetsControl();
if ( sidebarWidgetsControl.isReordering ) {
return;
}
self.expanded( ! self.expanded() );
} );
$closeBtn = this.container.find( '.widget-control-close' );
$closeBtn.on( 'click', function() {
self.collapse();
self.container.find( '.widget-top .widget-action:first' ).focus(); // keyboard accessibility
} );
},
/**
* Update the title of the form if a title field is entered
*/
_setupWidgetTitle: function() {
var self = this, updateTitle;
updateTitle = function() {
var title = self.setting().title,
inWidgetTitle = self.container.find( '.in-widget-title' );
if ( title ) {
inWidgetTitle.text( ': ' + title );
} else {
inWidgetTitle.text( '' );
}
};
this.setting.bind( updateTitle );
updateTitle();
},
/**
* Set up the widget-reorder-nav
*/
_setupReorderUI: function() {
var self = this, selectSidebarItem, $moveWidgetArea,
$reorderNav, updateAvailableSidebars, template;
/**
* select the provided sidebar list item in the move widget area
*
* @param {jQuery} li
*/
selectSidebarItem = function( li ) {
li.siblings( '.selected' ).removeClass( 'selected' );
li.addClass( 'selected' );
var isSelfSidebar = ( li.data( 'id' ) === self.params.sidebar_id );
self.container.find( '.move-widget-btn' ).prop( 'disabled', isSelfSidebar );
};
/**
* Add the widget reordering elements to the widget control
*/
this.container.find( '.widget-title-action' ).after( $( api.Widgets.data.tpl.widgetReorderNav ) );
template = _.template( api.Widgets.data.tpl.moveWidgetArea );
$moveWidgetArea = $( template( {
sidebars: _( api.Widgets.registeredSidebars.toArray() ).pluck( 'attributes' )
} )
);
this.container.find( '.widget-top' ).after( $moveWidgetArea );
/**
* Update available sidebars when their rendered state changes
*/
updateAvailableSidebars = function() {
var $sidebarItems = $moveWidgetArea.find( 'li' ), selfSidebarItem,
renderedSidebarCount = 0;
selfSidebarItem = $sidebarItems.filter( function(){
return $( this ).data( 'id' ) === self.params.sidebar_id;
} );
$sidebarItems.each( function() {
var li = $( this ),
sidebarId, sidebar, sidebarIsRendered;
sidebarId = li.data( 'id' );
sidebar = api.Widgets.registeredSidebars.get( sidebarId );
sidebarIsRendered = sidebar.get( 'is_rendered' );
li.toggle( sidebarIsRendered );
if ( sidebarIsRendered ) {
renderedSidebarCount += 1;
}
if ( li.hasClass( 'selected' ) && ! sidebarIsRendered ) {
selectSidebarItem( selfSidebarItem );
}
} );
if ( renderedSidebarCount > 1 ) {
self.container.find( '.move-widget' ).show();
} else {
self.container.find( '.move-widget' ).hide();
}
};
updateAvailableSidebars();
api.Widgets.registeredSidebars.on( 'change:is_rendered', updateAvailableSidebars );
/**
* Handle clicks for up/down/move on the reorder nav
*/
$reorderNav = this.container.find( '.widget-reorder-nav' );
$reorderNav.find( '.move-widget, .move-widget-down, .move-widget-up' ).each( function() {
$( this ).prepend( self.container.find( '.widget-title' ).text() + ': ' );
} ).on( 'click keypress', function( event ) {
if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
return;
}
$( this ).focus();
if ( $( this ).is( '.move-widget' ) ) {
self.toggleWidgetMoveArea();
} else {
var isMoveDown = $( this ).is( '.move-widget-down' ),
isMoveUp = $( this ).is( '.move-widget-up' ),
i = self.getWidgetSidebarPosition();
if ( ( isMoveUp && i === 0 ) || ( isMoveDown && i === self.getSidebarWidgetsControl().setting().length - 1 ) ) {
return;
}
if ( isMoveUp ) {
self.moveUp();
wp.a11y.speak( l10n.widgetMovedUp );
} else {
self.moveDown();
wp.a11y.speak( l10n.widgetMovedDown );
}
$( this ).focus(); // re-focus after the container was moved
}
} );
/**
* Handle selecting a sidebar to move to
*/
this.container.find( '.widget-area-select' ).on( 'click keypress', 'li', function( event ) {
if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
return;
}
event.preventDefault();
selectSidebarItem( $( this ) );
} );
/**
* Move widget to another sidebar
*/
this.container.find( '.move-widget-btn' ).click( function() {
self.getSidebarWidgetsControl().toggleReordering( false );
var oldSidebarId = self.params.sidebar_id,
newSidebarId = self.container.find( '.widget-area-select li.selected' ).data( 'id' ),
oldSidebarWidgetsSetting, newSidebarWidgetsSetting,
oldSidebarWidgetIds, newSidebarWidgetIds, i;
oldSidebarWidgetsSetting = api( 'sidebars_widgets[' + oldSidebarId + ']' );
newSidebarWidgetsSetting = api( 'sidebars_widgets[' + newSidebarId + ']' );
oldSidebarWidgetIds = Array.prototype.slice.call( oldSidebarWidgetsSetting() );
newSidebarWidgetIds = Array.prototype.slice.call( newSidebarWidgetsSetting() );
i = self.getWidgetSidebarPosition();
oldSidebarWidgetIds.splice( i, 1 );
newSidebarWidgetIds.push( self.params.widget_id );
oldSidebarWidgetsSetting( oldSidebarWidgetIds );
newSidebarWidgetsSetting( newSidebarWidgetIds );
self.focus();
} );
},
/**
* Highlight widgets in preview when interacted with in the Customizer
*/
_setupHighlightEffects: function() {
var self = this;
// Highlight whenever hovering or clicking over the form
this.container.on( 'mouseenter click', function() {
self.setting.previewer.send( 'highlight-widget', self.params.widget_id );
} );
// Highlight when the setting is updated
this.setting.bind( function() {
self.setting.previewer.send( 'highlight-widget', self.params.widget_id );
} );
},
/**
* Set up event handlers for widget updating
*/
_setupUpdateUI: function() {
var self = this, $widgetRoot, $widgetContent,
$saveBtn, updateWidgetDebounced, formSyncHandler;
$widgetRoot = this.container.find( '.widget:first' );
$widgetContent = $widgetRoot.find( '.widget-content:first' );
// Configure update button
$saveBtn = this.container.find( '.widget-control-save' );
$saveBtn.val( l10n.saveBtnLabel );
$saveBtn.attr( 'title', l10n.saveBtnTooltip );
$saveBtn.removeClass( 'button-primary' );
$saveBtn.on( 'click', function( e ) {
e.preventDefault();
self.updateWidget( { disable_form: true } ); // @todo disable_form is unused?
} );
updateWidgetDebounced = _.debounce( function() {
self.updateWidget();
}, 250 );
// Trigger widget form update when hitting Enter within an input
$widgetContent.on( 'keydown', 'input', function( e ) {
if ( 13 === e.which ) { // Enter
e.preventDefault();
self.updateWidget( { ignoreActiveElement: true } );
}
} );
// Handle widgets that support live previews
$widgetContent.on( 'change input propertychange', ':input', function( e ) {
if ( ! self.liveUpdateMode ) {
return;
}
if ( e.type === 'change' || ( this.checkValidity && this.checkValidity() ) ) {
updateWidgetDebounced();
}
} );
// Remove loading indicators when the setting is saved and the preview updates
this.setting.previewer.channel.bind( 'synced', function() {
self.container.removeClass( 'previewer-loading' );
} );
api.previewer.bind( 'widget-updated', function( updatedWidgetId ) {
if ( updatedWidgetId === self.params.widget_id ) {
self.container.removeClass( 'previewer-loading' );
}
} );
formSyncHandler = api.Widgets.formSyncHandlers[ this.params.widget_id_base ];
if ( formSyncHandler ) {
$( document ).on( 'widget-synced', function( e, widget ) {
if ( $widgetRoot.is( widget ) ) {
formSyncHandler.apply( document, arguments );
}
} );
}
},
/**
* Update widget control to indicate whether it is currently rendered.
*
* Overrides api.Control.toggle()
*
* @since 4.1.0
*
* @param {Boolean} active
* @param {Object} args
* @param {function} args.completeCallback
*/
onChangeActive: function ( active, args ) {
// Note: there is a second 'args' parameter being passed, merged on top of this.defaultActiveArguments
this.container.toggleClass( 'widget-rendered', active );
if ( args.completeCallback ) {
args.completeCallback();
}
},
/**
* Set up event handlers for widget removal
*/
_setupRemoveUI: function() {
var self = this, $removeBtn, replaceDeleteWithRemove;
// Configure remove button
$removeBtn = this.container.find( '.widget-control-remove' );
$removeBtn.on( 'click', function() {
// Find an adjacent element to add focus to when this widget goes away
var $adjacentFocusTarget;
if ( self.container.next().is( '.customize-control-widget_form' ) ) {
$adjacentFocusTarget = self.container.next().find( '.widget-action:first' );
} else if ( self.container.prev().is( '.customize-control-widget_form' ) ) {
$adjacentFocusTarget = self.container.prev().find( '.widget-action:first' );
} else {
$adjacentFocusTarget = self.container.next( '.customize-control-sidebar_widgets' ).find( '.add-new-widget:first' );
}
self.container.slideUp( function() {
var sidebarsWidgetsControl = api.Widgets.getSidebarWidgetControlContainingWidget( self.params.widget_id ),
sidebarWidgetIds, i;
if ( ! sidebarsWidgetsControl ) {
return;
}
sidebarWidgetIds = sidebarsWidgetsControl.setting().slice();
i = _.indexOf( sidebarWidgetIds, self.params.widget_id );
if ( -1 === i ) {
return;
}
sidebarWidgetIds.splice( i, 1 );
sidebarsWidgetsControl.setting( sidebarWidgetIds );
$adjacentFocusTarget.focus(); // keyboard accessibility
} );
} );
replaceDeleteWithRemove = function() {
$removeBtn.text( l10n.removeBtnLabel ); // wp_widget_control() outputs the button as "Delete"
$removeBtn.attr( 'title', l10n.removeBtnTooltip );
};
if ( this.params.is_new ) {
api.bind( 'saved', replaceDeleteWithRemove );
} else {
replaceDeleteWithRemove();
}
},
/**
* Find all inputs in a widget container that should be considered when
* comparing the loaded form with the sanitized form, whose fields will
* be aligned to copy the sanitized over. The elements returned by this
* are passed into this._getInputsSignature(), and they are iterated
* over when copying sanitized values over to the form loaded.
*
* @param {jQuery} container element in which to look for inputs
* @returns {jQuery} inputs
* @private
*/
_getInputs: function( container ) {
return $( container ).find( ':input[name]' );
},
/**
* Iterate over supplied inputs and create a signature string for all of them together.
* This string can be used to compare whether or not the form has all of the same fields.
*
* @param {jQuery} inputs
* @returns {string}
* @private
*/
_getInputsSignature: function( inputs ) {
var inputsSignatures = _( inputs ).map( function( input ) {
var $input = $( input ), signatureParts;
if ( $input.is( ':checkbox, :radio' ) ) {
signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ), $input.prop( 'value' ) ];
} else {
signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ) ];
}
return signatureParts.join( ',' );
} );
return inputsSignatures.join( ';' );
},
/**
* Get the state for an input depending on its type.
*
* @param {jQuery|Element} input
* @returns {string|boolean|array|*}
* @private
*/
_getInputState: function( input ) {
input = $( input );
if ( input.is( ':radio, :checkbox' ) ) {
return input.prop( 'checked' );
} else if ( input.is( 'select[multiple]' ) ) {
return input.find( 'option:selected' ).map( function () {
return $( this ).val();
} ).get();
} else {
return input.val();
}
},
/**
* Update an input's state based on its type.
*
* @param {jQuery|Element} input
* @param {string|boolean|array|*} state
* @private
*/
_setInputState: function ( input, state ) {
input = $( input );
if ( input.is( ':radio, :checkbox' ) ) {
input.prop( 'checked', state );
} else if ( input.is( 'select[multiple]' ) ) {
if ( ! $.isArray( state ) ) {
state = [];
} else {
// Make sure all state items are strings since the DOM value is a string
state = _.map( state, function ( value ) {
return String( value );
} );
}
input.find( 'option' ).each( function () {
$( this ).prop( 'selected', -1 !== _.indexOf( state, String( this.value ) ) );
} );
} else {
input.val( state );
}
},
/***********************************************************************
* Begin public API methods
**********************************************************************/
/**
* @return {wp.customize.controlConstructor.sidebar_widgets[]}
*/
getSidebarWidgetsControl: function() {
var settingId, sidebarWidgetsControl;
settingId = 'sidebars_widgets[' + this.params.sidebar_id + ']';
sidebarWidgetsControl = api.control( settingId );
if ( ! sidebarWidgetsControl ) {
return;
}
return sidebarWidgetsControl;
},
/**
* Submit the widget form via Ajax and get back the updated instance,
* along with the new widget control form to render.
*
* @param {object} [args]
* @param {Object|null} [args.instance=null] When the model changes, the instance is sent here; otherwise, the inputs from the form are used
* @param {Function|null} [args.complete=null] Function which is called when the request finishes. Context is bound to the control. First argument is any error. Following arguments are for success.
* @param {Boolean} [args.ignoreActiveElement=false] Whether or not updating a field will be deferred if focus is still on the element.
*/
updateWidget: function( args ) {
var self = this, instanceOverride, completeCallback, $widgetRoot, $widgetContent,
updateNumber, params, data, $inputs, processing, jqxhr, isChanged;
// The updateWidget logic requires that the form fields to be fully present.
self.embedWidgetContent();
args = $.extend( {
instance: null,
complete: null,
ignoreActiveElement: false
}, args );
instanceOverride = args.instance;
completeCallback = args.complete;
this._updateCount += 1;
updateNumber = this._updateCount;
$widgetRoot = this.container.find( '.widget:first' );
$widgetContent = $widgetRoot.find( '.widget-content:first' );
// Remove a previous error message
$widgetContent.find( '.widget-error' ).remove();
this.container.addClass( 'widget-form-loading' );
this.container.addClass( 'previewer-loading' );
processing = api.state( 'processing' );
processing( processing() + 1 );
if ( ! this.liveUpdateMode ) {
this.container.addClass( 'widget-form-disabled' );
}
params = {};
params.action = 'update-widget';
params.wp_customize = 'on';
params.nonce = api.settings.nonce['update-widget'];
params.customize_theme = api.settings.theme.stylesheet;
params.customized = wp.customize.previewer.query().customized;
data = $.param( params );
$inputs = this._getInputs( $widgetContent );
// Store the value we're submitting in data so that when the response comes back,
// we know if it got sanitized; if there is no difference in the sanitized value,
// then we do not need to touch the UI and mess up the user's ongoing editing.
$inputs.each( function() {
$( this ).data( 'state' + updateNumber, self._getInputState( this ) );
} );
if ( instanceOverride ) {
data += '&' + $.param( { 'sanitized_widget_setting': JSON.stringify( instanceOverride ) } );
} else {
data += '&' + $inputs.serialize();
}
data += '&' + $widgetContent.find( '~ :input' ).serialize();
if ( this._previousUpdateRequest ) {
this._previousUpdateRequest.abort();
}
jqxhr = $.post( wp.ajax.settings.url, data );
this._previousUpdateRequest = jqxhr;
jqxhr.done( function( r ) {
var message, sanitizedForm, $sanitizedInputs, hasSameInputsInResponse,
isLiveUpdateAborted = false;
// Check if the user is logged out.
if ( '0' === r ) {
api.previewer.preview.iframe.hide();
api.previewer.login().done( function() {
self.updateWidget( args );
api.previewer.preview.iframe.show();
} );
return;
}
// Check for cheaters.
if ( '-1' === r ) {
api.previewer.cheatin();
return;
}
if ( r.success ) {
sanitizedForm = $( '<div>' + r.data.form + '</div>' );
$sanitizedInputs = self._getInputs( sanitizedForm );
hasSameInputsInResponse = self._getInputsSignature( $inputs ) === self._getInputsSignature( $sanitizedInputs );
// Restore live update mode if sanitized fields are now aligned with the existing fields
if ( hasSameInputsInResponse && ! self.liveUpdateMode ) {
self.liveUpdateMode = true;
self.container.removeClass( 'widget-form-disabled' );
self.container.find( 'input[name="savewidget"]' ).hide();
}
// Sync sanitized field states to existing fields if they are aligned
if ( hasSameInputsInResponse && self.liveUpdateMode ) {
$inputs.each( function( i ) {
var $input = $( this ),
$sanitizedInput = $( $sanitizedInputs[i] ),
submittedState, sanitizedState, canUpdateState;
submittedState = $input.data( 'state' + updateNumber );
sanitizedState = self._getInputState( $sanitizedInput );
$input.data( 'sanitized', sanitizedState );
canUpdateState = ( ! _.isEqual( submittedState, sanitizedState ) && ( args.ignoreActiveElement || ! $input.is( document.activeElement ) ) );
if ( canUpdateState ) {
self._setInputState( $input, sanitizedState );
}
} );
$( document ).trigger( 'widget-synced', [ $widgetRoot, r.data.form ] );
// Otherwise, if sanitized fields are not aligned with existing fields, disable live update mode if enabled
} else if ( self.liveUpdateMode ) {
self.liveUpdateMode = false;
self.container.find( 'input[name="savewidget"]' ).show();
isLiveUpdateAborted = true;
// Otherwise, replace existing form with the sanitized form
} else {
$widgetContent.html( r.data.form );
self.container.removeClass( 'widget-form-disabled' );
$( document ).trigger( 'widget-updated', [ $widgetRoot ] );
}
/**
* If the old instance is identical to the new one, there is nothing new
* needing to be rendered, and so we can preempt the event for the
* preview finishing loading.
*/
isChanged = ! isLiveUpdateAborted && ! _( self.setting() ).isEqual( r.data.instance );
if ( isChanged ) {
self.isWidgetUpdating = true; // suppress triggering another updateWidget
self.setting( r.data.instance );
self.isWidgetUpdating = false;
} else {
// no change was made, so stop the spinner now instead of when the preview would updates
self.container.removeClass( 'previewer-loading' );
}
if ( completeCallback ) {
completeCallback.call( self, null, { noChange: ! isChanged, ajaxFinished: true } );
}
} else {
// General error message
message = l10n.error;
if ( r.data && r.data.message ) {
message = r.data.message;
}
if ( completeCallback ) {
completeCallback.call( self, message );
} else {
$widgetContent.prepend( '<p class="widget-error"><strong>' + message + '</strong></p>' );
}
}
} );
jqxhr.fail( function( jqXHR, textStatus ) {
if ( completeCallback ) {
completeCallback.call( self, textStatus );
}
} );
jqxhr.always( function() {
self.container.removeClass( 'widget-form-loading' );
$inputs.each( function() {
$( this ).removeData( 'state' + updateNumber );
} );
processing( processing() - 1 );
} );
},
/**
* Expand the accordion section containing a control
*/
expandControlSection: function() {
api.Control.prototype.expand.call( this );
},
/**
* @since 4.1.0
*
* @param {Boolean} expanded
* @param {Object} [params]
* @returns {Boolean} false if state already applied
*/
_toggleExpanded: api.Section.prototype._toggleExpanded,
/**
* @since 4.1.0
*
* @param {Object} [params]
* @returns {Boolean} false if already expanded
*/
expand: api.Section.prototype.expand,
/**
* Expand the widget form control
*
* @deprecated 4.1.0 Use this.expand() instead.
*/
expandForm: function() {
this.expand();
},
/**
* @since 4.1.0
*
* @param {Object} [params]
* @returns {Boolean} false if already collapsed
*/
collapse: api.Section.prototype.collapse,
/**
* Collapse the widget form control
*
* @deprecated 4.1.0 Use this.collapse() instead.
*/
collapseForm: function() {
this.collapse();
},
/**
* Expand or collapse the widget control
*
* @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide )
*
* @param {boolean|undefined} [showOrHide] If not supplied, will be inverse of current visibility
*/
toggleForm: function( showOrHide ) {
if ( typeof showOrHide === 'undefined' ) {
showOrHide = ! this.expanded();
}
this.expanded( showOrHide );
},
/**
* Respond to change in the expanded state.
*
* @param {Boolean} expanded
* @param {Object} args merged on top of this.defaultActiveArguments
*/
onChangeExpanded: function ( expanded, args ) {
var self = this, $widget, $inside, complete, prevComplete, expandControl, $toggleBtn;
self.embedWidgetControl(); // Make sure the outer form is embedded so that the expanded state can be set in the UI.
if ( expanded ) {
self.embedWidgetContent();
}
// If the expanded state is unchanged only manipulate container expanded states
if ( args.unchanged ) {
if ( expanded ) {
api.Control.prototype.expand.call( self, {
completeCallback: args.completeCallback
});
}
return;
}
$widget = this.container.find( 'div.widget:first' );
$inside = $widget.find( '.widget-inside:first' );
$toggleBtn = this.container.find( '.widget-top button.widget-action' );
expandControl = function() {
// Close all other widget controls before expanding this one
api.control.each( function( otherControl ) {
if ( self.params.type === otherControl.params.type && self !== otherControl ) {
otherControl.collapse();
}
} );
complete = function() {
self.container.removeClass( 'expanding' );
self.container.addClass( 'expanded' );
$widget.addClass( 'open' );
$toggleBtn.attr( 'aria-expanded', 'true' );
self.container.trigger( 'expanded' );
};
if ( args.completeCallback ) {
prevComplete = complete;
complete = function () {
prevComplete();
args.completeCallback();
};
}
if ( self.params.is_wide ) {
$inside.fadeIn( args.duration, complete );
} else {
$inside.slideDown( args.duration, complete );
}
self.container.trigger( 'expand' );
self.container.addClass( 'expanding' );
};
if ( expanded ) {
if ( api.section.has( self.section() ) ) {
api.section( self.section() ).expand( {
completeCallback: expandControl
} );
} else {
expandControl();
}
} else {
complete = function() {
self.container.removeClass( 'collapsing' );
self.container.removeClass( 'expanded' );
$widget.removeClass( 'open' );
$toggleBtn.attr( 'aria-expanded', 'false' );
self.container.trigger( 'collapsed' );
};
if ( args.completeCallback ) {
prevComplete = complete;
complete = function () {
prevComplete();
args.completeCallback();
};
}
self.container.trigger( 'collapse' );
self.container.addClass( 'collapsing' );
if ( self.params.is_wide ) {
$inside.fadeOut( args.duration, complete );
} else {
$inside.slideUp( args.duration, function() {
$widget.css( { width:'', margin:'' } );
complete();
} );
}
}
},
/**
* Get the position (index) of the widget in the containing sidebar
*
* @returns {Number}
*/
getWidgetSidebarPosition: function() {
var sidebarWidgetIds, position;
sidebarWidgetIds = this.getSidebarWidgetsControl().setting();
position = _.indexOf( sidebarWidgetIds, this.params.widget_id );
if ( position === -1 ) {
return;
}
return position;
},
/**
* Move widget up one in the sidebar
*/
moveUp: function() {
this._moveWidgetByOne( -1 );
},
/**
* Move widget up one in the sidebar
*/
moveDown: function() {
this._moveWidgetByOne( 1 );
},
/**
* @private
*
* @param {Number} offset 1|-1
*/
_moveWidgetByOne: function( offset ) {
var i, sidebarWidgetsSetting, sidebarWidgetIds, adjacentWidgetId;
i = this.getWidgetSidebarPosition();
sidebarWidgetsSetting = this.getSidebarWidgetsControl().setting;
sidebarWidgetIds = Array.prototype.slice.call( sidebarWidgetsSetting() ); // clone
adjacentWidgetId = sidebarWidgetIds[i + offset];
sidebarWidgetIds[i + offset] = this.params.widget_id;
sidebarWidgetIds[i] = adjacentWidgetId;
sidebarWidgetsSetting( sidebarWidgetIds );
},
/**
* Toggle visibility of the widget move area
*
* @param {Boolean} [showOrHide]
*/
toggleWidgetMoveArea: function( showOrHide ) {
var self = this, $moveWidgetArea;
$moveWidgetArea = this.container.find( '.move-widget-area' );
if ( typeof showOrHide === 'undefined' ) {
showOrHide = ! $moveWidgetArea.hasClass( 'active' );
}
if ( showOrHide ) {
// reset the selected sidebar
$moveWidgetArea.find( '.selected' ).removeClass( 'selected' );
$moveWidgetArea.find( 'li' ).filter( function() {
return $( this ).data( 'id' ) === self.params.sidebar_id;
} ).addClass( 'selected' );
this.container.find( '.move-widget-btn' ).prop( 'disabled', true );
}
$moveWidgetArea.toggleClass( 'active', showOrHide );
},
/**
* Highlight the widget control and section
*/
highlightSectionAndControl: function() {
var $target;
if ( this.container.is( ':hidden' ) ) {
$target = this.container.closest( '.control-section' );
} else {
$target = this.container;
}
$( '.highlighted' ).removeClass( 'highlighted' );
$target.addClass( 'highlighted' );
setTimeout( function() {
$target.removeClass( 'highlighted' );
}, 500 );
}
} );
/**
* wp.customize.Widgets.WidgetsPanel
*
* Customizer panel containing the widget area sections.
*
* @since 4.4.0
*
* @class wp.customize.Widgets.WidgetsPanel
* @augments wp.customize.Panel
*/
api.Widgets.WidgetsPanel = api.Panel.extend(/** @lends wp.customize.Widgets.WigetsPanel.prototype */{
/**
* Add and manage the display of the no-rendered-areas notice.
*
* @since 4.4.0
*/
ready: function () {
var panel = this;
api.Panel.prototype.ready.call( panel );
panel.deferred.embedded.done(function() {
var panelMetaContainer, noticeContainer, updateNotice, getActiveSectionCount, shouldShowNotice;
panelMetaContainer = panel.container.find( '.panel-meta' );
// @todo This should use the Notifications API introduced to panels. See <https://core.trac.wordpress.org/ticket/38794>.
noticeContainer = $( '<div></div>', {
'class': 'no-widget-areas-rendered-notice'
});
panelMetaContainer.append( noticeContainer );
/**
* Get the number of active sections in the panel.
*
* @return {number} Number of active sidebar sections.
*/
getActiveSectionCount = function() {
return _.filter( panel.sections(), function( section ) {
return 'sidebar' === section.params.type && section.active();
} ).length;
};
/**
* Determine whether or not the notice should be displayed.
*
* @return {boolean}
*/
shouldShowNotice = function() {
var activeSectionCount = getActiveSectionCount();
if ( 0 === activeSectionCount ) {
return true;
} else {
return activeSectionCount !== api.Widgets.data.registeredSidebars.length;
}
};
/**
* Update the notice.
*
* @returns {void}
*/
updateNotice = function() {
var activeSectionCount = getActiveSectionCount(), someRenderedMessage, nonRenderedAreaCount, registeredAreaCount;
noticeContainer.empty();
registeredAreaCount = api.Widgets.data.registeredSidebars.length;
if ( activeSectionCount !== registeredAreaCount ) {
if ( 0 !== activeSectionCount ) {
nonRenderedAreaCount = registeredAreaCount - activeSectionCount;
someRenderedMessage = l10n.someAreasShown[ nonRenderedAreaCount ];
} else {
someRenderedMessage = l10n.noAreasShown;
}
if ( someRenderedMessage ) {
noticeContainer.append( $( '<p></p>', {
text: someRenderedMessage
} ) );
}
noticeContainer.append( $( '<p></p>', {
text: l10n.navigatePreview
} ) );
}
};
updateNotice();
/*
* Set the initial visibility state for rendered notice.
* Update the visibility of the notice whenever a reflow happens.
*/
noticeContainer.toggle( shouldShowNotice() );
api.previewer.deferred.active.done( function () {
noticeContainer.toggle( shouldShowNotice() );
});
api.bind( 'pane-contents-reflowed', function() {
var duration = ( 'resolved' === api.previewer.deferred.active.state() ) ? 'fast' : 0;
updateNotice();
if ( shouldShowNotice() ) {
noticeContainer.slideDown( duration );
} else {
noticeContainer.slideUp( duration );
}
});
});
},
/**
* Allow an active widgets panel to be contextually active even when it has no active sections (widget areas).
*
* This ensures that the widgets panel appears even when there are no
* sidebars displayed on the URL currently being previewed.
*
* @since 4.4.0
*
* @returns {boolean}
*/
isContextuallyActive: function() {
var panel = this;
return panel.active();
}
});
/**
* wp.customize.Widgets.SidebarSection
*
* Customizer section representing a widget area widget
*
* @since 4.1.0
*
* @class wp.customize.Widgets.SidebarSection
* @augments wp.customize.Section
*/
api.Widgets.SidebarSection = api.Section.extend(/** @lends wp.customize.Widgets.SidebarSection.prototype */{
/**
* Sync the section's active state back to the Backbone model's is_rendered attribute
*
* @since 4.1.0
*/
ready: function () {
var section = this, registeredSidebar;
api.Section.prototype.ready.call( this );
registeredSidebar = api.Widgets.registeredSidebars.get( section.params.sidebarId );
section.active.bind( function ( active ) {
registeredSidebar.set( 'is_rendered', active );
});
registeredSidebar.set( 'is_rendered', section.active() );
}
});
/**
* wp.customize.Widgets.SidebarControl
*
* Customizer control for widgets.
* Note that 'sidebar_widgets' must match the WP_Widget_Area_Customize_Control::$type
*
* @since 3.9.0
*
* @class wp.customize.Widgets.SidebarControl
* @augments wp.customize.Control
*/
api.Widgets.SidebarControl = api.Control.extend(/** @lends wp.customize.Widgets.SidebarControl.prototype */{
/**
* Set up the control
*/
ready: function() {
this.$controlSection = this.container.closest( '.control-section' );
this.$sectionContent = this.container.closest( '.accordion-section-content' );
this._setupModel();
this._setupSortable();
this._setupAddition();
this._applyCardinalOrderClassNames();
},
/**
* Update ordering of widget control forms when the setting is updated
*/
_setupModel: function() {
var self = this;
this.setting.bind( function( newWidgetIds, oldWidgetIds ) {
var widgetFormControls, removedWidgetIds, priority;
removedWidgetIds = _( oldWidgetIds ).difference( newWidgetIds );
// Filter out any persistent widget IDs for widgets which have been deactivated
newWidgetIds = _( newWidgetIds ).filter( function( newWidgetId ) {
var parsedWidgetId = parseWidgetId( newWidgetId );
return !! api.Widgets.availableWidgets.findWhere( { id_base: parsedWidgetId.id_base } );
} );
widgetFormControls = _( newWidgetIds ).map( function( widgetId ) {
var widgetFormControl = api.Widgets.getWidgetFormControlForWidget( widgetId );
if ( ! widgetFormControl ) {
widgetFormControl = self.addWidget( widgetId );
}
return widgetFormControl;
} );
// Sort widget controls to their new positions
widgetFormControls.sort( function( a, b ) {
var aIndex = _.indexOf( newWidgetIds, a.params.widget_id ),
bIndex = _.indexOf( newWidgetIds, b.params.widget_id );
return aIndex - bIndex;
});
priority = 0;
_( widgetFormControls ).each( function ( control ) {
control.priority( priority );
control.section( self.section() );
priority += 1;
});
self.priority( priority ); // Make sure sidebar control remains at end
// Re-sort widget form controls (including widgets form other sidebars newly moved here)
self._applyCardinalOrderClassNames();
// If the widget was dragged into the sidebar, make sure the sidebar_id param is updated
_( widgetFormControls ).each( function( widgetFormControl ) {
widgetFormControl.params.sidebar_id = self.params.sidebar_id;
} );
// Cleanup after widget removal
_( removedWidgetIds ).each( function( removedWidgetId ) {
// Using setTimeout so that when moving a widget to another sidebar, the other sidebars_widgets settings get a chance to update
setTimeout( function() {
var removedControl, wasDraggedToAnotherSidebar, inactiveWidgets, removedIdBase,
widget, isPresentInAnotherSidebar = false;
// Check if the widget is in another sidebar
api.each( function( otherSetting ) {
if ( otherSetting.id === self.setting.id || 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) || otherSetting.id === 'sidebars_widgets[wp_inactive_widgets]' ) {
return;
}
var otherSidebarWidgets = otherSetting(), i;
i = _.indexOf( otherSidebarWidgets, removedWidgetId );
if ( -1 !== i ) {
isPresentInAnotherSidebar = true;
}
} );
// If the widget is present in another sidebar, abort!
if ( isPresentInAnotherSidebar ) {
return;
}
removedControl = api.Widgets.getWidgetFormControlForWidget( removedWidgetId );
// Detect if widget control was dragged to another sidebar
wasDraggedToAnotherSidebar = removedControl && $.contains( document, removedControl.container[0] ) && ! $.contains( self.$sectionContent[0], removedControl.container[0] );
// Delete any widget form controls for removed widgets
if ( removedControl && ! wasDraggedToAnotherSidebar ) {
api.control.remove( removedControl.id );
removedControl.container.remove();
}
// Move widget to inactive widgets sidebar (move it to trash) if has been previously saved
// This prevents the inactive widgets sidebar from overflowing with throwaway widgets
if ( api.Widgets.savedWidgetIds[removedWidgetId] ) {
inactiveWidgets = api.value( 'sidebars_widgets[wp_inactive_widgets]' )().slice();
inactiveWidgets.push( removedWidgetId );
api.value( 'sidebars_widgets[wp_inactive_widgets]' )( _( inactiveWidgets ).unique() );
}
// Make old single widget available for adding again
removedIdBase = parseWidgetId( removedWidgetId ).id_base;
widget = api.Widgets.availableWidgets.findWhere( { id_base: removedIdBase } );
if ( widget && ! widget.get( 'is_multi' ) ) {
widget.set( 'is_disabled', false );
}
} );
} );
} );
},
/**
* Allow widgets in sidebar to be re-ordered, and for the order to be previewed
*/
_setupSortable: function() {
var self = this;
this.isReordering = false;
/**
* Update widget order setting when controls are re-ordered
*/
this.$sectionContent.sortable( {
items: '> .customize-control-widget_form',
handle: '.widget-top',
axis: 'y',
tolerance: 'pointer',
connectWith: '.accordion-section-content:has(.customize-control-sidebar_widgets)',
update: function() {
var widgetContainerIds = self.$sectionContent.sortable( 'toArray' ), widgetIds;
widgetIds = $.map( widgetContainerIds, function( widgetContainerId ) {
return $( '#' + widgetContainerId ).find( ':input[name=widget-id]' ).val();
} );
self.setting( widgetIds );
}
} );
/**
* Expand other Customizer sidebar section when dragging a control widget over it,
* allowing the control to be dropped into another section
*/
this.$controlSection.find( '.accordion-section-title' ).droppable({
accept: '.customize-control-widget_form',
over: function() {
var section = api.section( self.section.get() );
section.expand({
allowMultiple: true, // Prevent the section being dragged from to be collapsed
completeCallback: function () {
// @todo It is not clear when refreshPositions should be called on which sections, or if it is even needed
api.section.each( function ( otherSection ) {
if ( otherSection.container.find( '.customize-control-sidebar_widgets' ).length ) {
otherSection.container.find( '.accordion-section-content:first' ).sortable( 'refreshPositions' );
}
} );
}
});
}
});
/**
* Keyboard-accessible reordering
*/
this.container.find( '.reorder-toggle' ).on( 'click', function() {
self.toggleReordering( ! self.isReordering );
} );
},
/**
* Set up UI for adding a new widget
*/
_setupAddition: function() {
var self = this;
this.container.find( '.add-new-widget' ).on( 'click', function() {
var addNewWidgetBtn = $( this );
if ( self.$sectionContent.hasClass( 'reordering' ) ) {
return;
}
if ( ! $( 'body' ).hasClass( 'adding-widget' ) ) {
addNewWidgetBtn.attr( 'aria-expanded', 'true' );
api.Widgets.availableWidgetsPanel.open( self );
} else {
addNewWidgetBtn.attr( 'aria-expanded', 'false' );
api.Widgets.availableWidgetsPanel.close();
}
} );
},
/**
* Add classes to the widget_form controls to assist with styling
*/
_applyCardinalOrderClassNames: function() {
var widgetControls = [];
_.each( this.setting(), function ( widgetId ) {
var widgetControl = api.Widgets.getWidgetFormControlForWidget( widgetId );
if ( widgetControl ) {
widgetControls.push( widgetControl );
}
});
if ( 0 === widgetControls.length || ( 1 === api.Widgets.registeredSidebars.length && widgetControls.length <= 1 ) ) {
this.container.find( '.reorder-toggle' ).hide();
return;
} else {
this.container.find( '.reorder-toggle' ).show();
}
$( widgetControls ).each( function () {
$( this.container )
.removeClass( 'first-widget' )
.removeClass( 'last-widget' )
.find( '.move-widget-down, .move-widget-up' ).prop( 'tabIndex', 0 );
});
_.first( widgetControls ).container
.addClass( 'first-widget' )
.find( '.move-widget-up' ).prop( 'tabIndex', -1 );
_.last( widgetControls ).container
.addClass( 'last-widget' )
.find( '.move-widget-down' ).prop( 'tabIndex', -1 );
},
/***********************************************************************
* Begin public API methods
**********************************************************************/
/**
* Enable/disable the reordering UI
*
* @param {Boolean} showOrHide to enable/disable reordering
*
* @todo We should have a reordering state instead and rename this to onChangeReordering
*/
toggleReordering: function( showOrHide ) {
var addNewWidgetBtn = this.$sectionContent.find( '.add-new-widget' ),
reorderBtn = this.container.find( '.reorder-toggle' ),
widgetsTitle = this.$sectionContent.find( '.widget-title' );
showOrHide = Boolean( showOrHide );
if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) {
return;
}
this.isReordering = showOrHide;
this.$sectionContent.toggleClass( 'reordering', showOrHide );
if ( showOrHide ) {
_( this.getWidgetFormControls() ).each( function( formControl ) {
formControl.collapse();
} );
addNewWidgetBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
reorderBtn.attr( 'aria-label', l10n.reorderLabelOff );
wp.a11y.speak( l10n.reorderModeOn );
// Hide widget titles while reordering: title is already in the reorder controls.
widgetsTitle.attr( 'aria-hidden', 'true' );
} else {
addNewWidgetBtn.removeAttr( 'tabindex aria-hidden' );
reorderBtn.attr( 'aria-label', l10n.reorderLabelOn );
wp.a11y.speak( l10n.reorderModeOff );
widgetsTitle.attr( 'aria-hidden', 'false' );
}
},
/**
* Get the widget_form Customize controls associated with the current sidebar.
*
* @since 3.9.0
* @return {wp.customize.controlConstructor.widget_form[]}
*/
getWidgetFormControls: function() {
var formControls = [];
_( this.setting() ).each( function( widgetId ) {
var settingId = widgetIdToSettingId( widgetId ),
formControl = api.control( settingId );
if ( formControl ) {
formControls.push( formControl );
}
} );
return formControls;
},
/**
* @param {string} widgetId or an id_base for adding a previously non-existing widget
* @returns {object|false} widget_form control instance, or false on error
*/
addWidget: function( widgetId ) {
var self = this, controlHtml, $widget, controlType = 'widget_form', controlContainer, controlConstructor,
parsedWidgetId = parseWidgetId( widgetId ),
widgetNumber = parsedWidgetId.number,
widgetIdBase = parsedWidgetId.id_base,
widget = api.Widgets.availableWidgets.findWhere( {id_base: widgetIdBase} ),
settingId, isExistingWidget, widgetFormControl, sidebarWidgets, settingArgs, setting;
if ( ! widget ) {
return false;
}
if ( widgetNumber && ! widget.get( 'is_multi' ) ) {
return false;
}
// Set up new multi widget
if ( widget.get( 'is_multi' ) && ! widgetNumber ) {
widget.set( 'multi_number', widget.get( 'multi_number' ) + 1 );
widgetNumber = widget.get( 'multi_number' );
}
controlHtml = $.trim( $( '#widget-tpl-' + widget.get( 'id' ) ).html() );
if ( widget.get( 'is_multi' ) ) {
controlHtml = controlHtml.replace( /<[^<>]+>/g, function( m ) {
return m.replace( /__i__|%i%/g, widgetNumber );
} );
} else {
widget.set( 'is_disabled', true ); // Prevent single widget from being added again now
}
$widget = $( controlHtml );
controlContainer = $( '<li/>' )
.addClass( 'customize-control' )
.addClass( 'customize-control-' + controlType )
.append( $widget );
// Remove icon which is visible inside the panel
controlContainer.find( '> .widget-icon' ).remove();
if ( widget.get( 'is_multi' ) ) {
controlContainer.find( 'input[name="widget_number"]' ).val( widgetNumber );
controlContainer.find( 'input[name="multi_number"]' ).val( widgetNumber );
}
widgetId = controlContainer.find( '[name="widget-id"]' ).val();
controlContainer.hide(); // to be slid-down below
settingId = 'widget_' + widget.get( 'id_base' );
if ( widget.get( 'is_multi' ) ) {
settingId += '[' + widgetNumber + ']';
}
controlContainer.attr( 'id', 'customize-control-' + settingId.replace( /\]/g, '' ).replace( /\[/g, '-' ) );
// Only create setting if it doesn't already exist (if we're adding a pre-existing inactive widget)
isExistingWidget = api.has( settingId );
if ( ! isExistingWidget ) {
settingArgs = {
transport: api.Widgets.data.selectiveRefreshableWidgets[ widget.get( 'id_base' ) ] ? 'postMessage' : 'refresh',
previewer: this.setting.previewer
};
setting = api.create( settingId, settingId, '', settingArgs );
setting.set( {} ); // mark dirty, changing from '' to {}
}
controlConstructor = api.controlConstructor[controlType];
widgetFormControl = new controlConstructor( settingId, {
settings: {
'default': settingId
},
content: controlContainer,
sidebar_id: self.params.sidebar_id,
widget_id: widgetId,
widget_id_base: widget.get( 'id_base' ),
type: controlType,
is_new: ! isExistingWidget,
width: widget.get( 'width' ),
height: widget.get( 'height' ),
is_wide: widget.get( 'is_wide' )
} );
api.control.add( widgetFormControl );
// Make sure widget is removed from the other sidebars
api.each( function( otherSetting ) {
if ( otherSetting.id === self.setting.id ) {
return;
}
if ( 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) ) {
return;
}
var otherSidebarWidgets = otherSetting().slice(),
i = _.indexOf( otherSidebarWidgets, widgetId );
if ( -1 !== i ) {
otherSidebarWidgets.splice( i );
otherSetting( otherSidebarWidgets );
}
} );
// Add widget to this sidebar
sidebarWidgets = this.setting().slice();
if ( -1 === _.indexOf( sidebarWidgets, widgetId ) ) {
sidebarWidgets.push( widgetId );
this.setting( sidebarWidgets );
}
controlContainer.slideDown( function() {
if ( isExistingWidget ) {
widgetFormControl.updateWidget( {
instance: widgetFormControl.setting()
} );
}
} );
return widgetFormControl;
}
} );
// Register models for custom panel, section, and control types
$.extend( api.panelConstructor, {
widgets: api.Widgets.WidgetsPanel
});
$.extend( api.sectionConstructor, {
sidebar: api.Widgets.SidebarSection
});
$.extend( api.controlConstructor, {
widget_form: api.Widgets.WidgetControl,
sidebar_widgets: api.Widgets.SidebarControl
});
/**
* Init Customizer for widgets.
*/
api.bind( 'ready', function() {
// Set up the widgets panel
api.Widgets.availableWidgetsPanel = new api.Widgets.AvailableWidgetsPanelView({
collection: api.Widgets.availableWidgets
});
// Highlight widget control
api.previewer.bind( 'highlight-widget-control', api.Widgets.highlightWidgetFormControl );
// Open and focus widget control
api.previewer.bind( 'focus-widget-control', api.Widgets.focusWidgetFormControl );
} );
/**
* Highlight a widget control.
*
* @param {string} widgetId
*/
api.Widgets.highlightWidgetFormControl = function( widgetId ) {
var control = api.Widgets.getWidgetFormControlForWidget( widgetId );
if ( control ) {
control.highlightSectionAndControl();
}
},
/**
* Focus a widget control.
*
* @param {string} widgetId
*/
api.Widgets.focusWidgetFormControl = function( widgetId ) {
var control = api.Widgets.getWidgetFormControlForWidget( widgetId );
if ( control ) {
control.focus();
}
},
/**
* Given a widget control, find the sidebar widgets control that contains it.
* @param {string} widgetId
* @return {object|null}
*/
api.Widgets.getSidebarWidgetControlContainingWidget = function( widgetId ) {
var foundControl = null;
// @todo this can use widgetIdToSettingId(), then pass into wp.customize.control( x ).getSidebarWidgetsControl()
api.control.each( function( control ) {
if ( control.params.type === 'sidebar_widgets' && -1 !== _.indexOf( control.setting(), widgetId ) ) {
foundControl = control;
}
} );
return foundControl;
};
/**
* Given a widget ID for a widget appearing in the preview, get the widget form control associated with it.
*
* @param {string} widgetId
* @return {object|null}
*/
api.Widgets.getWidgetFormControlForWidget = function( widgetId ) {
var foundControl = null;
// @todo We can just use widgetIdToSettingId() here
api.control.each( function( control ) {
if ( control.params.type === 'widget_form' && control.params.widget_id === widgetId ) {
foundControl = control;
}
} );
return foundControl;
};
/**
* Initialize Edit Menu button in Nav Menu widget.
*/
$( document ).on( 'widget-added', function( event, widgetContainer ) {
var parsedWidgetId, widgetControl, navMenuSelect, editMenuButton;
parsedWidgetId = parseWidgetId( widgetContainer.find( '> .widget-inside > .form > .widget-id' ).val() );
if ( 'nav_menu' !== parsedWidgetId.id_base ) {
return;
}
widgetControl = api.control( 'widget_nav_menu[' + String( parsedWidgetId.number ) + ']' );
if ( ! widgetControl ) {
return;
}
navMenuSelect = widgetContainer.find( 'select[name*="nav_menu"]' );
editMenuButton = widgetContainer.find( '.edit-selected-nav-menu > button' );
if ( 0 === navMenuSelect.length || 0 === editMenuButton.length ) {
return;
}
navMenuSelect.on( 'change', function() {
if ( api.section.has( 'nav_menu[' + navMenuSelect.val() + ']' ) ) {
editMenuButton.parent().show();
} else {
editMenuButton.parent().hide();
}
});
editMenuButton.on( 'click', function() {
var section = api.section( 'nav_menu[' + navMenuSelect.val() + ']' );
if ( section ) {
focusConstructWithBreadcrumb( section, widgetControl );
}
} );
} );
/**
* Focus (expand) one construct and then focus on another construct after the first is collapsed.
*
* This overrides the back button to serve the purpose of breadcrumb navigation.
*
* @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} focusConstruct - The object to initially focus.
* @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} returnConstruct - The object to return focus.
*/
function focusConstructWithBreadcrumb( focusConstruct, returnConstruct ) {
focusConstruct.focus();
function onceCollapsed( isExpanded ) {
if ( ! isExpanded ) {
focusConstruct.expanded.unbind( onceCollapsed );
returnConstruct.focus();
}
}
focusConstruct.expanded.bind( onceCollapsed );
}
/**
* @param {String} widgetId
* @returns {Object}
*/
function parseWidgetId( widgetId ) {
var matches, parsed = {
number: null,
id_base: null
};
matches = widgetId.match( /^(.+)-(\d+)$/ );
if ( matches ) {
parsed.id_base = matches[1];
parsed.number = parseInt( matches[2], 10 );
} else {
// likely an old single widget
parsed.id_base = widgetId;
}
return parsed;
}
/**
* @param {String} widgetId
* @returns {String} settingId
*/
function widgetIdToSettingId( widgetId ) {
var parsed = parseWidgetId( widgetId ), settingId;
settingId = 'widget_' + parsed.id_base;
if ( parsed.number ) {
settingId += '[' + parsed.number + ']';
}
return settingId;
}
})( window.wp, jQuery );