Current File : /home/bdmcricketindia.in/public_html/wp-admin/js/customize-nav-menus.js
/**
 * @output wp-admin/js/customize-nav-menus.js
 */

/* global menus, _wpCustomizeNavMenusSettings, wpNavMenu, console */
( function( api, wp, $ ) {
	'use strict';

	/**
	 * Set up wpNavMenu for drag and drop.
	 */
	wpNavMenu.originalInit = wpNavMenu.init;
	wpNavMenu.options.menuItemDepthPerLevel = 20;
	wpNavMenu.options.sortableItems         = '> .customize-control-nav_menu_item';
	wpNavMenu.options.targetTolerance       = 10;
	wpNavMenu.init = function() {
		this.jQueryExtensions();
	};

	/**
	 * @namespace wp.customize.Menus
	 */
	api.Menus = api.Menus || {};

	// Link settings.
	api.Menus.data = {
		itemTypes: [],
		l10n: {},
		settingTransport: 'refresh',
		phpIntMax: 0,
		defaultSettingValues: {
			nav_menu: {},
			nav_menu_item: {}
		},
		locationSlugMappedToName: {}
	};
	if ( 'undefined' !== typeof _wpCustomizeNavMenusSettings ) {
		$.extend( api.Menus.data, _wpCustomizeNavMenusSettings );
	}

	/**
	 * Newly-created Nav Menus and Nav Menu Items have negative integer IDs which
	 * serve as placeholders until Save & Publish happens.
	 *
	 * @alias wp.customize.Menus.generatePlaceholderAutoIncrementId
	 *
	 * @return {number}
	 */
	api.Menus.generatePlaceholderAutoIncrementId = function() {
		return -Math.ceil( api.Menus.data.phpIntMax * Math.random() );
	};

	/**
	 * wp.customize.Menus.AvailableItemModel
	 *
	 * A single available menu item model. See PHP's WP_Customize_Nav_Menu_Item_Setting class.
	 *
	 * @class    wp.customize.Menus.AvailableItemModel
	 * @augments Backbone.Model
	 */
	api.Menus.AvailableItemModel = Backbone.Model.extend( $.extend(
		{
			id: null // This is only used by Backbone.
		},
		api.Menus.data.defaultSettingValues.nav_menu_item
	) );

	/**
	 * wp.customize.Menus.AvailableItemCollection
	 *
	 * Collection for available menu item models.
	 *
	 * @class    wp.customize.Menus.AvailableItemCollection
	 * @augments Backbone.Collection
	 */
	api.Menus.AvailableItemCollection = Backbone.Collection.extend(/** @lends wp.customize.Menus.AvailableItemCollection.prototype */{
		model: api.Menus.AvailableItemModel,

		sort_key: 'order',

		comparator: function( item ) {
			return -item.get( this.sort_key );
		},

		sortByField: function( fieldName ) {
			this.sort_key = fieldName;
			this.sort();
		}
	});
	api.Menus.availableMenuItems = new api.Menus.AvailableItemCollection( api.Menus.data.availableMenuItems );

	/**
	 * Insert a new `auto-draft` post.
	 *
	 * @since 4.7.0
	 * @alias wp.customize.Menus.insertAutoDraftPost
	 *
	 * @param {Object} params - Parameters for the draft post to create.
	 * @param {string} params.post_type - Post type to add.
	 * @param {string} params.post_title - Post title to use.
	 * @return {jQuery.promise} Promise resolved with the added post.
	 */
	api.Menus.insertAutoDraftPost = function insertAutoDraftPost( params ) {
		var request, deferred = $.Deferred();

		request = wp.ajax.post( 'customize-nav-menus-insert-auto-draft', {
			'customize-menus-nonce': api.settings.nonce['customize-menus'],
			'wp_customize': 'on',
			'customize_changeset_uuid': api.settings.changeset.uuid,
			'params': params
		} );

		request.done( function( response ) {
			if ( response.post_id ) {
				api( 'nav_menus_created_posts' ).set(
					api( 'nav_menus_created_posts' ).get().concat( [ response.post_id ] )
				);

				if ( 'page' === params.post_type ) {

					// Activate static front page controls as this could be the first page created.
					if ( api.section.has( 'static_front_page' ) ) {
						api.section( 'static_front_page' ).activate();
					}

					// Add new page to dropdown-pages controls.
					api.control.each( function( control ) {
						var select;
						if ( 'dropdown-pages' === control.params.type ) {
							select = control.container.find( 'select[name^="_customize-dropdown-pages-"]' );
							select.append( new Option( params.post_title, response.post_id ) );
						}
					} );
				}
				deferred.resolve( response );
			}
		} );

		request.fail( function( response ) {
			var error = response || '';

			if ( 'undefined' !== typeof response.message ) {
				error = response.message;
			}

			console.error( error );
			deferred.rejectWith( error );
		} );

		return deferred.promise();
	};

	api.Menus.AvailableMenuItemsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Menus.AvailableMenuItemsPanelView.prototype */{

		el: '#available-menu-items',

		events: {
			'input #menu-items-search': 'debounceSearch',
			'focus .menu-item-tpl': 'focus',
			'click .menu-item-tpl': '_submit',
			'click #custom-menu-item-submit': '_submitLink',
			'keypress #custom-menu-item-name': '_submitLink',
			'click .new-content-item .add-content': '_submitNew',
			'keypress .create-item-input': '_submitNew',
			'keydown': 'keyboardAccessible'
		},

		// Cache current selected menu item.
		selected: null,

		// Cache menu control that opened the panel.
		currentMenuControl: null,
		debounceSearch: null,
		$search: null,
		$clearResults: null,
		searchTerm: '',
		rendered: false,
		pages: {},
		sectionContent: '',
		loading: false,
		addingNew: false,

		/**
		 * wp.customize.Menus.AvailableMenuItemsPanelView
		 *
		 * View class for the available menu items panel.
		 *
		 * @constructs wp.customize.Menus.AvailableMenuItemsPanelView
		 * @augments   wp.Backbone.View
		 */
		initialize: function() {
			var self = this;

			if ( ! api.panel.has( 'nav_menus' ) ) {
				return;
			}

			this.$search = $( '#menu-items-search' );
			this.$clearResults = this.$el.find( '.clear-results' );
			this.sectionContent = this.$el.find( '.available-menu-items-list' );

			this.debounceSearch = _.debounce( self.search, 500 );

			_.bindAll( this, 'close' );

			/*
			 * If the available menu items panel is open and the customize controls
			 * are interacted with (other than an item being deleted), then close
			 * the available menu items panel. Also close on back button click.
			 */
			$( '#customize-controls, .customize-section-back' ).on( 'click keydown', function( e ) {
				var isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
					isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );
				if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
					self.close();
				}
			} );

			// Clear the search results and trigger an `input` event to fire a new search.
			this.$clearResults.on( 'click', function() {
				self.$search.val( '' ).trigger( 'focus' ).trigger( 'input' );
			} );

			this.$el.on( 'input', '#custom-menu-item-name.invalid, #custom-menu-item-url.invalid', function() {
				$( this ).removeClass( 'invalid' );
				var errorMessageId = $( this ).attr( 'aria-describedby' );
				$( '#' + errorMessageId ).hide();
				$( this ).removeAttr( 'aria-invalid' ).removeAttr( 'aria-describedby' );
			});

			// Load available items if it looks like we'll need them.
			api.panel( 'nav_menus' ).container.on( 'expanded', function() {
				if ( ! self.rendered ) {
					self.initList();
					self.rendered = true;
				}
			});

			// Load more items.
			this.sectionContent.on( 'scroll', function() {
				var totalHeight = self.$el.find( '.accordion-section.open .available-menu-items-list' ).prop( 'scrollHeight' ),
					visibleHeight = self.$el.find( '.accordion-section.open' ).height();

				if ( ! self.loading && $( this ).scrollTop() > 3 / 4 * totalHeight - visibleHeight ) {
					var type = $( this ).data( 'type' ),
						object = $( this ).data( 'object' );

					if ( 'search' === type ) {
						if ( self.searchTerm ) {
							self.doSearch( self.pages.search );
						}
					} else {
						self.loadItems( [
							{ type: type, object: object }
						] );
					}
				}
			});

			// Close the panel if the URL in the preview changes.
			api.previewer.bind( 'url', this.close );

			self.delegateEvents();
		},

		// Search input change handler.
		search: function( event ) {
			var $searchSection = $( '#available-menu-items-search' ),
				$otherSections = $( '#available-menu-items .accordion-section' ).not( $searchSection );

			if ( ! event ) {
				return;
			}

			if ( this.searchTerm === event.target.value ) {
				return;
			}

			if ( '' !== event.target.value && ! $searchSection.hasClass( 'open' ) ) {
				$otherSections.fadeOut( 100 );
				$searchSection.find( '.accordion-section-content' ).slideDown( 'fast' );
				$searchSection.addClass( 'open' );
				this.$clearResults.addClass( 'is-visible' );
			} else if ( '' === event.target.value ) {
				$searchSection.removeClass( 'open' );
				$otherSections.show();
				this.$clearResults.removeClass( 'is-visible' );
			}

			this.searchTerm = event.target.value;
			this.pages.search = 1;
			this.doSearch( 1 );
		},

		// Get search results.
		doSearch: function( page ) {
			var self = this, params,
				$section = $( '#available-menu-items-search' ),
				$content = $section.find( '.accordion-section-content' ),
				itemTemplate = wp.template( 'available-menu-item' );

			if ( self.currentRequest ) {
				self.currentRequest.abort();
			}

			if ( page < 0 ) {
				return;
			} else if ( page > 1 ) {
				$section.addClass( 'loading-more' );
				$content.attr( 'aria-busy', 'true' );
				wp.a11y.speak( api.Menus.data.l10n.itemsLoadingMore );
			} else if ( '' === self.searchTerm ) {
				$content.html( '' );
				wp.a11y.speak( '' );
				return;
			}

			$section.addClass( 'loading' );
			self.loading = true;

			params = api.previewer.query( { excludeCustomizedSaved: true } );
			_.extend( params, {
				'customize-menus-nonce': api.settings.nonce['customize-menus'],
				'wp_customize': 'on',
				'search': self.searchTerm,
				'page': page
			} );

			self.currentRequest = wp.ajax.post( 'search-available-menu-items-customizer', params );

			self.currentRequest.done(function( data ) {
				var items;
				if ( 1 === page ) {
					// Clear previous results as it's a new search.
					$content.empty();
				}
				$section.removeClass( 'loading loading-more' );
				$content.attr( 'aria-busy', 'false' );
				$section.addClass( 'open' );
				self.loading = false;
				items = new api.Menus.AvailableItemCollection( data.items );
				self.collection.add( items.models );
				items.each( function( menuItem ) {
					$content.append( itemTemplate( menuItem.attributes ) );
				} );
				if ( 20 > items.length ) {
					self.pages.search = -1; // Up to 20 posts and 20 terms in results, if <20, no more results for either.
				} else {
					self.pages.search = self.pages.search + 1;
				}
				if ( items && page > 1 ) {
					wp.a11y.speak( api.Menus.data.l10n.itemsFoundMore.replace( '%d', items.length ) );
				} else if ( items && page === 1 ) {
					wp.a11y.speak( api.Menus.data.l10n.itemsFound.replace( '%d', items.length ) );
				}
			});

			self.currentRequest.fail(function( data ) {
				// data.message may be undefined, for example when typing slow and the request is aborted.
				if ( data.message ) {
					$content.empty().append( $( '<li class="nothing-found"></li>' ).text( data.message ) );
					wp.a11y.speak( data.message );
				}
				self.pages.search = -1;
			});

			self.currentRequest.always(function() {
				$section.removeClass( 'loading loading-more' );
				$content.attr( 'aria-busy', 'false' );
				self.loading = false;
				self.currentRequest = null;
			});
		},

		// Render the individual items.
		initList: function() {
			var self = this;

			// Render the template for each item by type.
			_.each( api.Menus.data.itemTypes, function( itemType ) {
				self.pages[ itemType.type + ':' + itemType.object ] = 0;
			} );
			self.loadItems( api.Menus.data.itemTypes );
		},

		/**
		 * Load available nav menu items.
		 *
		 * @since 4.3.0
		 * @since 4.7.0 Changed function signature to take list of item types instead of single type/object.
		 * @access private
		 *
		 * @param {Array.<Object>} itemTypes List of objects containing type and key.
		 * @param {string} deprecated Formerly the object parameter.
		 * @return {void}
		 */
		loadItems: function( itemTypes, deprecated ) {
			var self = this, _itemTypes, requestItemTypes = [], params, request, itemTemplate, availableMenuItemContainers = {};
			itemTemplate = wp.template( 'available-menu-item' );

			if ( _.isString( itemTypes ) && _.isString( deprecated ) ) {
				_itemTypes = [ { type: itemTypes, object: deprecated } ];
			} else {
				_itemTypes = itemTypes;
			}

			_.each( _itemTypes, function( itemType ) {
				var container, name = itemType.type + ':' + itemType.object;
				if ( -1 === self.pages[ name ] ) {
					return; // Skip types for which there are no more results.
				}
				container = $( '#available-menu-items-' + itemType.type + '-' + itemType.object );
				container.find( '.accordion-section-title' ).addClass( 'loading' );
				availableMenuItemContainers[ name ] = container;

				requestItemTypes.push( {
					object: itemType.object,
					type: itemType.type,
					page: self.pages[ name ]
				} );
			} );

			if ( 0 === requestItemTypes.length ) {
				return;
			}

			self.loading = true;

			params = api.previewer.query( { excludeCustomizedSaved: true } );
			_.extend( params, {
				'customize-menus-nonce': api.settings.nonce['customize-menus'],
				'wp_customize': 'on',
				'item_types': requestItemTypes
			} );

			request = wp.ajax.post( 'load-available-menu-items-customizer', params );

			request.done(function( data ) {
				var typeInner;
				_.each( data.items, function( typeItems, name ) {
					if ( 0 === typeItems.length ) {
						if ( 0 === self.pages[ name ] ) {
							availableMenuItemContainers[ name ].find( '.accordion-section-title' )
								.addClass( 'cannot-expand' )
								.removeClass( 'loading' )
								.find( '.accordion-section-title > button' )
								.prop( 'tabIndex', -1 );
						}
						self.pages[ name ] = -1;
						return;
					} else if ( ( 'post_type:page' === name ) && ( ! availableMenuItemContainers[ name ].hasClass( 'open' ) ) ) {
						availableMenuItemContainers[ name ].find( '.accordion-section-title > button' ).trigger( 'click' );
					}
					typeItems = new api.Menus.AvailableItemCollection( typeItems ); // @todo Why is this collection created and then thrown away?
					self.collection.add( typeItems.models );
					typeInner = availableMenuItemContainers[ name ].find( '.available-menu-items-list' );
					typeItems.each( function( menuItem ) {
						typeInner.append( itemTemplate( menuItem.attributes ) );
					} );
					self.pages[ name ] += 1;
				});
			});
			request.fail(function( data ) {
				if ( typeof console !== 'undefined' && console.error ) {
					console.error( data );
				}
			});
			request.always(function() {
				_.each( availableMenuItemContainers, function( container ) {
					container.find( '.accordion-section-title' ).removeClass( 'loading' );
				} );
				self.loading = false;
			});
		},

		// Adjust the height of each section of items to fit the screen.
		itemSectionHeight: function() {
			var sections, lists, totalHeight, accordionHeight, diff;
			totalHeight = window.innerHeight;
			sections = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .accordion-section-content' );
			lists = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .available-menu-items-list:not(":only-child")' );
			accordionHeight =  46 * ( 1 + sections.length ) + 14; // Magic numbers.
			diff = totalHeight - accordionHeight;
			if ( 120 < diff && 290 > diff ) {
				sections.css( 'max-height', diff );
				lists.css( 'max-height', ( diff - 60 ) );
			}
		},

		// Highlights a menu item.
		select: function( menuitemTpl ) {
			this.selected = $( menuitemTpl );
			this.selected.siblings( '.menu-item-tpl' ).removeClass( 'selected' );
			this.selected.addClass( 'selected' );
		},

		// Highlights a menu item on focus.
		focus: function( event ) {
			this.select( $( event.currentTarget ) );
		},

		// Submit handler for keypress and click on menu item.
		_submit: function( event ) {
			// Only proceed with keypress if it is Enter or Spacebar.
			if ( 'keypress' === event.type && ( 13 !== event.which && 32 !== event.which ) ) {
				return;
			}

			this.submit( $( event.currentTarget ) );
		},

		// Adds a selected menu item to the menu.
		submit: function( menuitemTpl ) {
			var menuitemId, menu_item;

			if ( ! menuitemTpl ) {
				menuitemTpl = this.selected;
			}

			if ( ! menuitemTpl || ! this.currentMenuControl ) {
				return;
			}

			this.select( menuitemTpl );

			menuitemId = $( this.selected ).data( 'menu-item-id' );
			menu_item = this.collection.findWhere( { id: menuitemId } );
			if ( ! menu_item ) {
				return;
			}

			this.currentMenuControl.addItemToMenu( menu_item.attributes );

			$( menuitemTpl ).find( '.menu-item-handle' ).addClass( 'item-added' );
		},

		// Submit handler for keypress and click on custom menu item.
		_submitLink: function( event ) {
			// Only proceed with keypress if it is Enter.
			if ( 'keypress' === event.type && 13 !== event.which ) {
				return;
			}

			this.submitLink();
		},

		// Adds the custom menu item to the menu.
		submitLink: function() {
			var menuItem,
				itemName = $( '#custom-menu-item-name' ),
				itemUrl = $( '#custom-menu-item-url' ),
				urlErrorMessage = $( '#custom-url-error' ),
				nameErrorMessage = $( '#custom-name-error' ),
				url = itemUrl.val().trim(),
				urlRegex,
				errorText;

			if ( ! this.currentMenuControl ) {
				return;
			}

			/*
			 * Allow URLs including:
			 * - http://example.com/
			 * - //example.com
			 * - /directory/
			 * - ?query-param
			 * - #target
			 * - mailto:[email protected]
			 *
			 * Any further validation will be handled on the server when the setting is attempted to be saved,
			 * so this pattern does not need to be complete.
			 */
			urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
			if ( ! urlRegex.test( url ) || '' === itemName.val() ) {
				if ( ! urlRegex.test( url ) ) {
					itemUrl.addClass( 'invalid' )
						.attr( 'aria-invalid', 'true' )
						.attr( 'aria-describedby', 'custom-url-error' );
					urlErrorMessage.show();
					errorText = urlErrorMessage.text();
					// Announce error message via screen reader
					wp.a11y.speak( errorText, 'assertive' );
				}
				if ( '' === itemName.val() ) {
					itemName.addClass( 'invalid' )
						.attr( 'aria-invalid', 'true' )
						.attr( 'aria-describedby', 'custom-name-error' );
					nameErrorMessage.show();
					errorText = ( '' === errorText ) ? nameErrorMessage.text() : errorText + nameErrorMessage.text();
					// Announce error message via screen reader
					wp.a11y.speak( errorText, 'assertive' );
				}
				return;
			}

			urlErrorMessage.hide();
			nameErrorMessage.hide();
			itemName.removeClass( 'invalid' )
				.removeAttr( 'aria-invalid', 'true' )
				.removeAttr( 'aria-describedby', 'custom-name-error' );
			itemUrl.removeClass( 'invalid' )
				.removeAttr( 'aria-invalid', 'true' )
				.removeAttr( 'aria-describedby', 'custom-name-error' );

			menuItem = {
				'title': itemName.val(),
				'url': url,
				'type': 'custom',
				'type_label': api.Menus.data.l10n.custom_label,
				'object': 'custom'
			};

			this.currentMenuControl.addItemToMenu( menuItem );

			// Reset the custom link form.
			itemUrl.val( '' ).attr( 'placeholder', 'https://' );
			itemName.val( '' );
		},

		/**
		 * Submit handler for keypress (enter) on field and click on button.
		 *
		 * @since 4.7.0
		 * @private
		 *
		 * @param {jQuery.Event} event Event.
		 * @return {void}
		 */
		_submitNew: function( event ) {
			var container;

			// Only proceed with keypress if it is Enter.
			if ( 'keypress' === event.type && 13 !== event.which ) {
				return;
			}

			if ( this.addingNew ) {
				return;
			}

			container = $( event.target ).closest( '.accordion-section' );

			this.submitNew( container );
		},

		/**
		 * Creates a new object and adds an associated menu item to the menu.
		 *
		 * @since 4.7.0
		 * @private
		 *
		 * @param {jQuery} container
		 * @return {void}
		 */
		submitNew: function( container ) {
			var panel = this,
				itemName = container.find( '.create-item-input' ),
				title = itemName.val(),
				dataContainer = container.find( '.available-menu-items-list' ),
				itemType = dataContainer.data( 'type' ),
				itemObject = dataContainer.data( 'object' ),
				itemTypeLabel = dataContainer.data( 'type_label' ),
				promise;

			if ( ! this.currentMenuControl ) {
				return;
			}

			// Only posts are supported currently.
			if ( 'post_type' !== itemType ) {
				return;
			}

			if ( '' === itemName.val().trim() ) {
				itemName.addClass( 'invalid' );
				itemName.focus();
				return;
			} else {
				itemName.removeClass( 'invalid' );
				container.find( '.accordion-section-title' ).addClass( 'loading' );
			}

			panel.addingNew = true;
			itemName.attr( 'disabled', 'disabled' );
			promise = api.Menus.insertAutoDraftPost( {
				post_title: title,
				post_type: itemObject
			} );
			promise.done( function( data ) {
				var availableItem, $content, itemElement;
				availableItem = new api.Menus.AvailableItemModel( {
					'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
					'title': itemName.val(),
					'type': itemType,
					'type_label': itemTypeLabel,
					'object': itemObject,
					'object_id': data.post_id,
					'url': data.url
				} );

				// Add new item to menu.
				panel.currentMenuControl.addItemToMenu( availableItem.attributes );

				// Add the new item to the list of available items.
				api.Menus.availableMenuItemsPanel.collection.add( availableItem );
				$content = container.find( '.available-menu-items-list' );
				itemElement = $( wp.template( 'available-menu-item' )( availableItem.attributes ) );
				itemElement.find( '.menu-item-handle:first' ).addClass( 'item-added' );
				$content.prepend( itemElement );
				$content.scrollTop();

				// Reset the create content form.
				itemName.val( '' ).removeAttr( 'disabled' );
				panel.addingNew = false;
				container.find( '.accordion-section-title' ).removeClass( 'loading' );
			} );
		},

		// Opens the panel.
		open: function( menuControl ) {
			var panel = this, close;

			this.currentMenuControl = menuControl;

			this.itemSectionHeight();

			if ( api.section.has( 'publish_settings' ) ) {
				api.section( 'publish_settings' ).collapse();
			}

			$( 'body' ).addClass( 'adding-menu-items' );

			close = function() {
				panel.close();
				$( this ).off( 'click', close );
			};
			$( '#customize-preview' ).on( 'click', close );

			// Collapse all controls.
			_( this.currentMenuControl.getMenuItemControls() ).each( function( control ) {
				control.collapseForm();
			} );

			this.$el.find( '.selected' ).removeClass( 'selected' );

			this.$search.trigger( 'focus' );
		},

		// Closes the panel.
		close: function( options ) {
			options = options || {};

			if ( options.returnFocus && this.currentMenuControl ) {
				this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
			}

			this.currentMenuControl = null;
			this.selected = null;

			$( 'body' ).removeClass( 'adding-menu-items' );
			$( '#available-menu-items .menu-item-handle.item-added' ).removeClass( 'item-added' );

			this.$search.val( '' ).trigger( 'input' );
		},

		// Add a few keyboard enhancements to the panel.
		keyboardAccessible: function( event ) {
			var isEnter = ( 13 === event.which ),
				isEsc = ( 27 === event.which ),
				isBackTab = ( 9 === event.which && event.shiftKey ),
				isSearchFocused = $( event.target ).is( this.$search );

			// If enter pressed but nothing entered, don't do anything.
			if ( isEnter && ! this.$search.val() ) {
				return;
			}

			if ( isSearchFocused && isBackTab ) {
				this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
				event.preventDefault(); // Avoid additional back-tab.
			} else if ( isEsc ) {
				this.close( { returnFocus: true } );
			}
		}
	});

	/**
	 * wp.customize.Menus.MenusPanel
	 *
	 * Customizer panel for menus. This is used only for screen options management.
	 * Note that 'menus' must match the WP_Customize_Menu_Panel::$type.
	 *
	 * @class    wp.customize.Menus.MenusPanel
	 * @augments wp.customize.Panel
	 */
	api.Menus.MenusPanel = api.Panel.extend(/** @lends wp.customize.Menus.MenusPanel.prototype */{

		attachEvents: function() {
			api.Panel.prototype.attachEvents.call( this );

			var panel = this,
				panelMeta = panel.container.find( '.panel-meta' ),
				help = panelMeta.find( '.customize-help-toggle' ),
				content = panelMeta.find( '.customize-panel-description' ),
				options = $( '#screen-options-wrap' ),
				button = panelMeta.find( '.customize-screen-options-toggle' );
			button.on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault();

				// Hide description.
				if ( content.not( ':hidden' ) ) {
					content.slideUp( 'fast' );
					help.attr( 'aria-expanded', 'false' );
				}

				if ( 'true' === button.attr( 'aria-expanded' ) ) {
					button.attr( 'aria-expanded', 'false' );
					panelMeta.removeClass( 'open' );
					panelMeta.removeClass( 'active-menu-screen-options' );
					options.slideUp( 'fast' );
				} else {
					button.attr( 'aria-expanded', 'true' );
					panelMeta.addClass( 'open' );
					panelMeta.addClass( 'active-menu-screen-options' );
					options.slideDown( 'fast' );
				}

				return false;
			} );

			// Help toggle.
			help.on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault();

				if ( 'true' === button.attr( 'aria-expanded' ) ) {
					button.attr( 'aria-expanded', 'false' );
					help.attr( 'aria-expanded', 'true' );
					panelMeta.addClass( 'open' );
					panelMeta.removeClass( 'active-menu-screen-options' );
					options.slideUp( 'fast' );
					content.slideDown( 'fast' );
				}
			} );
		},

		/**
		 * Update field visibility when clicking on the field toggles.
		 */
		ready: function() {
			var panel = this;
			panel.container.find( '.hide-column-tog' ).on( 'click', function() {
				panel.saveManageColumnsState();
			});

			// Inject additional heading into the menu locations section's head container.
			api.section( 'menu_locations', function( section ) {
				section.headContainer.prepend(
					wp.template( 'nav-menu-locations-header' )( api.Menus.data )
				);
			} );
		},

		/**
		 * Save hidden column states.
		 *
		 * @since 4.3.0
		 * @private
		 *
		 * @return {void}
		 */
		saveManageColumnsState: _.debounce( function() {
			var panel = this;
			if ( panel._updateHiddenColumnsRequest ) {
				panel._updateHiddenColumnsRequest.abort();
			}

			panel._updateHiddenColumnsRequest = wp.ajax.post( 'hidden-columns', {
				hidden: panel.hidden(),
				screenoptionnonce: $( '#screenoptionnonce' ).val(),
				page: 'nav-menus'
			} );
			panel._updateHiddenColumnsRequest.always( function() {
				panel._updateHiddenColumnsRequest = null;
			} );
		}, 2000 ),

		/**
		 * @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
		 */
		checked: function() {},

		/**
		 * @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
		 */
		unchecked: function() {},

		/**
		 * Get hidden fields.
		 *
		 * @since 4.3.0
		 * @private
		 *
		 * @return {Array} Fields (columns) that are hidden.
		 */
		hidden: function() {
			return $( '.hide-column-tog' ).not( ':checked' ).map( function() {
				var id = this.id;
				return id.substring( 0, id.length - 5 );
			}).get().join( ',' );
		}
	} );

	/**
	 * wp.customize.Menus.MenuSection
	 *
	 * Customizer section for menus. This is used only for lazy-loading child controls.
	 * Note that 'nav_menu' must match the WP_Customize_Menu_Section::$type.
	 *
	 * @class    wp.customize.Menus.MenuSection
	 * @augments wp.customize.Section
	 */
	api.Menus.MenuSection = api.Section.extend(/** @lends wp.customize.Menus.MenuSection.prototype */{

		/**
		 * Initialize.
		 *
		 * @since 4.3.0
		 *
		 * @param {string} id
		 * @param {Object} options
		 */
		initialize: function( id, options ) {
			var section = this;
			api.Section.prototype.initialize.call( section, id, options );
			section.deferred.initSortables = $.Deferred();
		},

		/**
		 * Ready.
		 */
		ready: function() {
			var section = this, fieldActiveToggles, handleFieldActiveToggle;

			if ( 'undefined' === typeof section.params.menu_id ) {
				throw new Error( 'params.menu_id was not defined' );
			}

			/*
			 * Since newly created sections won't be registered in PHP, we need to prevent the
			 * preview's sending of the activeSections to result in this control
			 * being deactivated when the preview refreshes. So we can hook onto
			 * the setting that has the same ID and its presence can dictate
			 * whether the section is active.
			 */
			section.active.validate = function() {
				if ( ! api.has( section.id ) ) {
					return false;
				}
				return !! api( section.id ).get();
			};

			section.populateControls();

			section.navMenuLocationSettings = {};
			section.assignedLocations = new api.Value( [] );

			api.each(function( setting, id ) {
				var matches = id.match( /^nav_menu_locations\[(.+?)]/ );
				if ( matches ) {
					section.navMenuLocationSettings[ matches[1] ] = setting;
					setting.bind( function() {
						section.refreshAssignedLocations();
					});
				}
			});

			section.assignedLocations.bind(function( to ) {
				section.updateAssignedLocationsInSectionTitle( to );
			});

			section.refreshAssignedLocations();

			api.bind( 'pane-contents-reflowed', function() {
				// Skip menus that have been removed.
				if ( ! section.contentContainer.parent().length ) {
					return;
				}
				section.container.find( '.menu-item .menu-item-reorder-nav button' ).attr({ 'tabindex': '0', 'aria-hidden': 'false' });
				section.container.find( '.menu-item.move-up-disabled .menus-move-up' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				section.container.find( '.menu-item.move-down-disabled .menus-move-down' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				section.container.find( '.menu-item.move-left-disabled .menus-move-left' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				section.container.find( '.menu-item.move-right-disabled .menus-move-right' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
			} );

			/**
			 * Update the active field class for the content container for a given checkbox toggle.
			 *
			 * @this {jQuery}
			 * @return {void}
			 */
			handleFieldActiveToggle = function() {
				var className = 'field-' + $( this ).val() + '-active';
				section.contentContainer.toggleClass( className, $( this ).prop( 'checked' ) );
			};
			fieldActiveToggles = api.panel( 'nav_menus' ).contentContainer.find( '.metabox-prefs:first' ).find( '.hide-column-tog' );
			fieldActiveToggles.each( handleFieldActiveToggle );
			fieldActiveToggles.on( 'click', handleFieldActiveToggle );
		},

		populateControls: function() {
			var section = this,
				menuNameControlId,
				menuLocationsControlId,
				menuAutoAddControlId,
				menuDeleteControlId,
				menuControl,
				menuNameControl,
				menuLocationsControl,
				menuAutoAddControl,
				menuDeleteControl;

			// Add the control for managing the menu name.
			menuNameControlId = section.id + '[name]';
			menuNameControl = api.control( menuNameControlId );
			if ( ! menuNameControl ) {
				menuNameControl = new api.controlConstructor.nav_menu_name( menuNameControlId, {
					type: 'nav_menu_name',
					label: api.Menus.data.l10n.menuNameLabel,
					section: section.id,
					priority: 0,
					settings: {
						'default': section.id
					}
				} );
				api.control.add( menuNameControl );
				menuNameControl.active.set( true );
			}

			// Add the menu control.
			menuControl = api.control( section.id );
			if ( ! menuControl ) {
				menuControl = new api.controlConstructor.nav_menu( section.id, {
					type: 'nav_menu',
					section: section.id,
					priority: 998,
					settings: {
						'default': section.id
					},
					menu_id: section.params.menu_id
				} );
				api.control.add( menuControl );
				menuControl.active.set( true );
			}

			// Add the menu locations control.
			menuLocationsControlId = section.id + '[locations]';
			menuLocationsControl = api.control( menuLocationsControlId );
			if ( ! menuLocationsControl ) {
				menuLocationsControl = new api.controlConstructor.nav_menu_locations( menuLocationsControlId, {
					section: section.id,
					priority: 999,
					settings: {
						'default': section.id
					},
					menu_id: section.params.menu_id
				} );
				api.control.add( menuLocationsControl.id, menuLocationsControl );
				menuControl.active.set( true );
			}

			// Add the control for managing the menu auto_add.
			menuAutoAddControlId = section.id + '[auto_add]';
			menuAutoAddControl = api.control( menuAutoAddControlId );
			if ( ! menuAutoAddControl ) {
				menuAutoAddControl = new api.controlConstructor.nav_menu_auto_add( menuAutoAddControlId, {
					type: 'nav_menu_auto_add',
					label: '',
					section: section.id,
					priority: 1000,
					settings: {
						'default': section.id
					}
				} );
				api.control.add( menuAutoAddControl );
				menuAutoAddControl.active.set( true );
			}

			// Add the control for deleting the menu.
			menuDeleteControlId = section.id + '[delete]';
			menuDeleteControl = api.control( menuDeleteControlId );
			if ( ! menuDeleteControl ) {
				menuDeleteControl = new api.Control( menuDeleteControlId, {
					section: section.id,
					priority: 1001,
					templateId: 'nav-menu-delete-button'
				} );
				api.control.add( menuDeleteControl.id, menuDeleteControl );
				menuDeleteControl.active.set( true );
				menuDeleteControl.deferred.embedded.done( function () {
					menuDeleteControl.container.find( 'button' ).on( 'click', function() {
						var menuId = section.params.menu_id;
						var menuControl = api.Menus.getMenuControl( menuId );
						menuControl.setting.set( false );
					});
				} );
			}
		},

		/**
		 *
		 */
		refreshAssignedLocations: function() {
			var section = this,
				menuTermId = section.params.menu_id,
				currentAssignedLocations = [];
			_.each( section.navMenuLocationSettings, function( setting, themeLocation ) {
				if ( setting() === menuTermId ) {
					currentAssignedLocations.push( themeLocation );
				}
			});
			section.assignedLocations.set( currentAssignedLocations );
		},

		/**
		 * @param {Array} themeLocationSlugs Theme location slugs.
		 */
		updateAssignedLocationsInSectionTitle: function( themeLocationSlugs ) {
			var section = this,
				$title;

			$title = section.container.find( '.accordion-section-title button:first' );
			$title.find( '.menu-in-location' ).remove();
			_.each( themeLocationSlugs, function( themeLocationSlug ) {
				var $label, locationName;
				$label = $( '<span class="menu-in-location"></span>' );
				locationName = api.Menus.data.locationSlugMappedToName[ themeLocationSlug ];
				$label.text( api.Menus.data.l10n.menuLocation.replace( '%s', locationName ) );
				$title.append( $label );
			});

			section.container.toggleClass( 'assigned-to-menu-location', 0 !== themeLocationSlugs.length );

		},

		onChangeExpanded: function( expanded, args ) {
			var section = this, completeCallback;

			if ( expanded ) {
				wpNavMenu.menuList = section.contentContainer;
				wpNavMenu.targetList = wpNavMenu.menuList;

				// Add attributes needed by wpNavMenu.
				$( '#menu-to-edit' ).removeAttr( 'id' );
				wpNavMenu.menuList.attr( 'id', 'menu-to-edit' ).addClass( 'menu' );

				api.Menus.MenuItemControl.prototype.initAccessibility();

				_.each( api.section( section.id ).controls(), function( control ) {
					if ( 'nav_menu_item' === control.params.type ) {
						control.actuallyEmbed();
					}
				} );

				// Make sure Sortables is initialized after the section has been expanded to prevent `offset` issues.
				if ( args.completeCallback ) {
					completeCallback = args.completeCallback;
				}
				args.completeCallback = function() {
					if ( 'resolved' !== section.deferred.initSortables.state() ) {
						wpNavMenu.initSortables(); // Depends on menu-to-edit ID being set above.
						section.deferred.initSortables.resolve( wpNavMenu.menuList ); // Now MenuControl can extend the sortable.

						// @todo Note that wp.customize.reflowPaneContents() is debounced,
						// so this immediate change will show a slight flicker while priorities get updated.
						api.control( 'nav_menu[' + String( section.params.menu_id ) + ']' ).reflowMenuItems();
					}
					if ( _.isFunction( completeCallback ) ) {
						completeCallback();
					}
				};
			}
			api.Section.prototype.onChangeExpanded.call( section, expanded, args );
		},

		/**
		 * Highlight how a user may create new menu items.
		 *
		 * This method reminds the user to create new menu items and how.
		 * It's exposed this way because this class knows best which UI needs
		 * highlighted but those expanding this section know more about why and
		 * when the affordance should be highlighted.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		highlightNewItemButton: function() {
			api.utils.highlightButton( this.contentContainer.find( '.add-new-menu-item' ), { delay: 2000 } );
		}
	});

	/**
	 * Create a nav menu setting and section.
	 *
	 * @since 4.9.0
	 *
	 * @param {string} [name=''] Nav menu name.
	 * @return {wp.customize.Menus.MenuSection} Added nav menu.
	 */
	api.Menus.createNavMenu = function createNavMenu( name ) {
		var customizeId, placeholderId, setting;
		placeholderId = api.Menus.generatePlaceholderAutoIncrementId();

		customizeId = 'nav_menu[' + String( placeholderId ) + ']';

		// Register the menu control setting.
		setting = api.create( customizeId, customizeId, {}, {
			type: 'nav_menu',
			transport: api.Menus.data.settingTransport,
			previewer: api.previewer
		} );
		setting.set( $.extend(
			{},
			api.Menus.data.defaultSettingValues.nav_menu,
			{
				name: name || ''
			}
		) );

		/*
		 * Add the menu section (and its controls).
		 * Note that this will automatically create the required controls
		 * inside via the Section's ready method.
		 */
		return api.section.add( new api.Menus.MenuSection( customizeId, {
			panel: 'nav_menus',
			title: displayNavMenuName( name ),
			customizeAction: api.Menus.data.l10n.customizingMenus,
			priority: 10,
			menu_id: placeholderId
		} ) );
	};

	/**
	 * wp.customize.Menus.NewMenuSection
	 *
	 * Customizer section for new menus.
	 *
	 * @class    wp.customize.Menus.NewMenuSection
	 * @augments wp.customize.Section
	 */
	api.Menus.NewMenuSection = api.Section.extend(/** @lends wp.customize.Menus.NewMenuSection.prototype */{

		/**
		 * Add behaviors for the accordion section.
		 *
		 * @since 4.3.0
		 */
		attachEvents: function() {
			var section = this,
				container = section.container,
				contentContainer = section.contentContainer,
				navMenuSettingPattern = /^nav_menu\[/;

			section.headContainer.find( '.accordion-section-title' ).replaceWith(
				wp.template( 'nav-menu-create-menu-section-title' )
			);

			/*
			 * We have to manually handle section expanded because we do not
			 * apply the `accordion-section-title` class to this button-driven section.
			 */
			container.on( 'click', '.customize-add-menu-button', function() {
				section.expand();
			});

			contentContainer.on( 'keydown', '.menu-name-field', function( event ) {
				if ( 13 === event.which ) { // Enter.
					section.submit();
				}
			} );
			contentContainer.on( 'click', '#customize-new-menu-submit', function( event ) {
				section.submit();
				event.stopPropagation();
				event.preventDefault();
			} );

			/**
			 * Get number of non-deleted nav menus.
			 *
			 * @since 4.9.0
			 * @return {number} Count.
			 */
			function getNavMenuCount() {
				var count = 0;
				api.each( function( setting ) {
					if ( navMenuSettingPattern.test( setting.id ) && false !== setting.get() ) {
						count += 1;
					}
				} );
				return count;
			}

			/**
			 * Update visibility of notice to prompt users to create menus.
			 *
			 * @since 4.9.0
			 * @return {void}
			 */
			function updateNoticeVisibility() {
				container.find( '.add-new-menu-notice' ).prop( 'hidden', getNavMenuCount() > 0 );
			}

			/**
			 * Handle setting addition.
			 *
			 * @since 4.9.0
			 * @param {wp.customize.Setting} setting - Added setting.
			 * @return {void}
			 */
			function addChangeEventListener( setting ) {
				if ( navMenuSettingPattern.test( setting.id ) ) {
					setting.bind( updateNoticeVisibility );
					updateNoticeVisibility();
				}
			}

			/**
			 * Handle setting removal.
			 *
			 * @since 4.9.0
			 * @param {wp.customize.Setting} setting - Removed setting.
			 * @return {void}
			 */
			function removeChangeEventListener( setting ) {
				if ( navMenuSettingPattern.test( setting.id ) ) {
					setting.unbind( updateNoticeVisibility );
					updateNoticeVisibility();
				}
			}

			api.each( addChangeEventListener );
			api.bind( 'add', addChangeEventListener );
			api.bind( 'removed', removeChangeEventListener );
			updateNoticeVisibility();

			api.Section.prototype.attachEvents.apply( section, arguments );
		},

		/**
		 * Set up the control.
		 *
		 * @since 4.9.0
		 */
		ready: function() {
			this.populateControls();
		},

		/**
		 * Create the controls for this section.
		 *
		 * @since 4.9.0
		 */
		populateControls: function() {
			var section = this,
				menuNameControlId,
				menuLocationsControlId,
				newMenuSubmitControlId,
				menuNameControl,
				menuLocationsControl,
				newMenuSubmitControl;

			menuNameControlId = section.id + '[name]';
			menuNameControl = api.control( menuNameControlId );
			if ( ! menuNameControl ) {
				menuNameControl = new api.controlConstructor.nav_menu_name( menuNameControlId, {
					label: api.Menus.data.l10n.menuNameLabel,
					description: api.Menus.data.l10n.newMenuNameDescription,
					section: section.id,
					priority: 0
				} );
				api.control.add( menuNameControl.id, menuNameControl );
				menuNameControl.active.set( true );
			}

			menuLocationsControlId = section.id + '[locations]';
			menuLocationsControl = api.control( menuLocationsControlId );
			if ( ! menuLocationsControl ) {
				menuLocationsControl = new api.controlConstructor.nav_menu_locations( menuLocationsControlId, {
					section: section.id,
					priority: 1,
					menu_id: '',
					isCreating: true
				} );
				api.control.add( menuLocationsControlId, menuLocationsControl );
				menuLocationsControl.active.set( true );
			}

			newMenuSubmitControlId = section.id + '[submit]';
			newMenuSubmitControl = api.control( newMenuSubmitControlId );
			if ( !newMenuSubmitControl ) {
				newMenuSubmitControl = new api.Control( newMenuSubmitControlId, {
					section: section.id,
					priority: 1,
					templateId: 'nav-menu-submit-new-button'
				} );
				api.control.add( newMenuSubmitControlId, newMenuSubmitControl );
				newMenuSubmitControl.active.set( true );
			}
		},

		/**
		 * Create the new menu with name and location supplied by the user.
		 *
		 * @since 4.9.0
		 */
		submit: function() {
			var section = this,
				contentContainer = section.contentContainer,
				nameInput = contentContainer.find( '.menu-name-field' ).first(),
				name = nameInput.val(),
				menuSection;

			if ( ! name ) {
				nameInput.addClass( 'invalid' );
				nameInput.focus();
				return;
			}

			menuSection = api.Menus.createNavMenu( name );

			// Clear name field.
			nameInput.val( '' );
			nameInput.removeClass( 'invalid' );

			contentContainer.find( '.assigned-menu-location input[type=checkbox]' ).each( function() {
				var checkbox = $( this ),
				navMenuLocationSetting;

				if ( checkbox.prop( 'checked' ) ) {
					navMenuLocationSetting = api( 'nav_menu_locations[' + checkbox.data( 'location-id' ) + ']' );
					navMenuLocationSetting.set( menuSection.params.menu_id );

					// Reset state for next new menu.
					checkbox.prop( 'checked', false );
				}
			} );

			wp.a11y.speak( api.Menus.data.l10n.menuAdded );

			// Focus on the new menu section.
			menuSection.focus( {
				completeCallback: function() {
					menuSection.highlightNewItemButton();
				}
			} );
		},

		/**
		 * Select a default location.
		 *
		 * This method selects a single location by default so we can support
		 * creating a menu for a specific menu location.
		 *
		 * @since 4.9.0
		 *
		 * @param {string|null} locationId - The ID of the location to select. `null` clears all selections.
		 * @return {void}
		 */
		selectDefaultLocation: function( locationId ) {
			var locationControl = api.control( this.id + '[locations]' ),
				locationSelections = {};

			if ( locationId !== null ) {
				locationSelections[ locationId ] = true;
			}

			locationControl.setSelections( locationSelections );
		}
	});

	/**
	 * wp.customize.Menus.MenuLocationControl
	 *
	 * Customizer control for menu locations (rendered as a <select>).
	 * Note that 'nav_menu_location' must match the WP_Customize_Nav_Menu_Location_Control::$type.
	 *
	 * @class    wp.customize.Menus.MenuLocationControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuLocationControl = api.Control.extend(/** @lends wp.customize.Menus.MenuLocationControl.prototype */{
		initialize: function( id, options ) {
			var control = this,
				matches = id.match( /^nav_menu_locations\[(.+?)]/ );
			control.themeLocation = matches[1];
			api.Control.prototype.initialize.call( control, id, options );
		},

		ready: function() {
			var control = this, navMenuIdRegex = /^nav_menu\[(-?\d+)]/;

			// @todo It would be better if this was added directly on the setting itself, as opposed to the control.
			control.setting.validate = function( value ) {
				if ( '' === value ) {
					return 0;
				} else {
					return parseInt( value, 10 );
				}
			};

			// Create and Edit menu buttons.
			control.container.find( '.create-menu' ).on( 'click', function() {
				var addMenuSection = api.section( 'add_menu' );
				addMenuSection.selectDefaultLocation( this.dataset.locationId );
				addMenuSection.focus();
			} );
			control.container.find( '.edit-menu' ).on( 'click', function() {
				var menuId = control.setting();
				api.section( 'nav_menu[' + menuId + ']' ).focus();
			});
			control.setting.bind( 'change', function() {
				var menuIsSelected = 0 !== control.setting();
				control.container.find( '.create-menu' ).toggleClass( 'hidden', menuIsSelected );
				control.container.find( '.edit-menu' ).toggleClass( 'hidden', ! menuIsSelected );
			});

			// Add/remove menus from the available options when they are added and removed.
			api.bind( 'add', function( setting ) {
				var option, menuId, matches = setting.id.match( navMenuIdRegex );
				if ( ! matches || false === setting() ) {
					return;
				}
				menuId = matches[1];
				option = new Option( displayNavMenuName( setting().name ), menuId );
				control.container.find( 'select' ).append( option );
			});
			api.bind( 'remove', function( setting ) {
				var menuId, matches = setting.id.match( navMenuIdRegex );
				if ( ! matches ) {
					return;
				}
				menuId = parseInt( matches[1], 10 );
				if ( control.setting() === menuId ) {
					control.setting.set( '' );
				}
				control.container.find( 'option[value=' + menuId + ']' ).remove();
			});
			api.bind( 'change', function( setting ) {
				var menuId, matches = setting.id.match( navMenuIdRegex );
				if ( ! matches ) {
					return;
				}
				menuId = parseInt( matches[1], 10 );
				if ( false === setting() ) {
					if ( control.setting() === menuId ) {
						control.setting.set( '' );
					}
					control.container.find( 'option[value=' + menuId + ']' ).remove();
				} else {
					control.container.find( 'option[value=' + menuId + ']' ).text( displayNavMenuName( setting().name ) );
				}
			});
		}
	});

	api.Menus.MenuItemControl = api.Control.extend(/** @lends wp.customize.Menus.MenuItemControl.prototype */{

		/**
		 * wp.customize.Menus.MenuItemControl
		 *
		 * Customizer control for menu items.
		 * Note that 'menu_item' must match the WP_Customize_Menu_Item_Control::$type.
		 *
		 * @constructs wp.customize.Menus.MenuItemControl
		 * @augments   wp.customize.Control
		 *
		 * @inheritDoc
		 */
		initialize: function( id, options ) {
			var control = this;
			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 );
			});
			api.Control.prototype.initialize.call( control, id, options );
			control.active.validate = function() {
				var value, section = api.section( control.section() );
				if ( section ) {
					value = section.active();
				} else {
					value = false;
				}
				return value;
			};
		},

		/**
		 * Set up the initial state of the screen reader accessibility information for menu items.
		 *
		 * @since 6.6.0
		 */
		initAccessibility: function() {
			var control = this,
				menu = $( '#menu-to-edit' );

			// Refresh the accessibility when the user comes close to the item in any way.
			menu.on( 'mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility', '.menu-item', function(){
				control.refreshAdvancedAccessibilityOfItem( $( this ).find( 'button.item-edit' ) );
			} );

			// We have to update on click as well because we might hover first, change the item, and then click.
			menu.on( 'click', 'button.item-edit', function() {
				control.refreshAdvancedAccessibilityOfItem( $( this ) );
			} );
		},

		/**
		 * refreshAdvancedAccessibilityOfItem( [itemToRefresh] )
		 *
		 * Refreshes advanced accessibility buttons for one menu item.
		 * Shows or hides buttons based on the location of the menu item.
		 *
		 * @param {Object} itemToRefresh The menu item that might need its advanced accessibility buttons refreshed
		 * 
		 * @since 6.6.0
		 */
		refreshAdvancedAccessibilityOfItem: function( itemToRefresh ) {
			// Only refresh accessibility when necessary.
			if ( true !== $( itemToRefresh ).data( 'needs_accessibility_refresh' ) ) {
				return;
			}

			var primaryItems, itemPosition, title,
				parentItem, parentItemId, parentItemName, subItems, totalSubItems,
				$this = $( itemToRefresh ),
				menuItem = $this.closest( 'li.menu-item' ).first(),
				depth = menuItem.menuItemDepth(),
				isPrimaryMenuItem = ( 0 === depth ),
				itemName = $this.closest( '.menu-item-handle' ).find( '.menu-item-title' ).text(),
				menuItemType = $this.closest( '.menu-item-handle' ).find( '.item-type' ).text(),
				totalMenuItems = $( '#menu-to-edit li' ).length;

			if ( isPrimaryMenuItem ) {
				primaryItems = $( '.menu-item-depth-0' ),
				itemPosition = primaryItems.index( menuItem ) + 1,
				totalMenuItems = primaryItems.length,
				// String together help text for primary menu items.
				title = menus.menuFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalMenuItems );
			} else {
				parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
				parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
				parentItemName = parentItem.find( '.menu-item-title' ).text(),
				subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
				totalSubItems = subItems.length,
				itemPosition = $( subItems.parents( '.menu-item' ).get().reverse() ).index( menuItem ) + 1;

				// String together help text for sub menu items.
				if ( depth < 2 ) {
					title = menus.subMenuFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalSubItems ).replace( '%5$s', parentItemName );
				} else {
					title = menus.subMenuMoreDepthFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalSubItems ).replace( '%5$s', parentItemName ).replace( '%6$d', depth );
				}
			}

			$this.find( '.screen-reader-text' ).text( title );

			// Mark this item's accessibility as refreshed.
			$this.data( 'needs_accessibility_refresh', false );
		},

		/**
		 * Override the embed() method to do nothing,
		 * so that the control isn't embedded on load,
		 * unless the containing section is already expanded.
		 *
		 * @since 4.3.0
		 */
		embed: function() {
			var control = this,
				sectionId = control.section(),
				section;
			if ( ! sectionId ) {
				return;
			}
			section = api.section( sectionId );
			if ( ( section && section.expanded() ) || api.settings.autofocus.control === control.id ) {
				control.actuallyEmbed();
			}
		},

		/**
		 * This function is called in Section.onChangeExpanded() so the control
		 * will only get embedded when the Section is first expanded.
		 *
		 * @since 4.3.0
		 */
		actuallyEmbed: function() {
			var control = this;
			if ( 'resolved' === control.deferred.embedded.state() ) {
				return;
			}
			control.renderContent();
			control.deferred.embedded.resolve(); // This triggers control.ready().
			
			// Mark all menu items as unprocessed.
			$( 'button.item-edit' ).data( 'needs_accessibility_refresh', true );
		},

		/**
		 * Set up the control.
		 */
		ready: function() {
			if ( 'undefined' === typeof this.params.menu_item_id ) {
				throw new Error( 'params.menu_item_id was not defined' );
			}

			this._setupControlToggle();
			this._setupReorderUI();
			this._setupUpdateUI();
			this._setupRemoveUI();
			this._setupLinksUI();
			this._setupTitleUI();
		},

		/**
		 * Show/hide the settings when clicking on the menu item handle.
		 */
		_setupControlToggle: function() {
			var control = this;

			this.container.find( '.menu-item-handle' ).on( 'click', function( e ) {
				e.preventDefault();
				e.stopPropagation();
				var menuControl = control.getMenuControl(),
					isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
					isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );

				if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
					api.Menus.availableMenuItemsPanel.close();
				}

				if ( menuControl.isReordering || menuControl.isSorting ) {
					return;
				}
				control.toggleForm();
			} );
		},

		/**
		 * Set up the menu-item-reorder-nav
		 */
		_setupReorderUI: function() {
			var control = this, template, $reorderNav;

			template = wp.template( 'menu-item-reorder-nav' );

			// Add the menu item reordering elements to the menu item control.
			control.container.find( '.item-controls' ).after( template );

			// Handle clicks for up/down/left-right on the reorder nav.
			$reorderNav = control.container.find( '.menu-item-reorder-nav' );
			$reorderNav.find( '.menus-move-up, .menus-move-down, .menus-move-left, .menus-move-right' ).on( 'click', function() {
				var moveBtn = $( this );
				control.params.depth = control.getDepth();

				moveBtn.focus();

				var isMoveUp = moveBtn.is( '.menus-move-up' ),
					isMoveDown = moveBtn.is( '.menus-move-down' ),
					isMoveLeft = moveBtn.is( '.menus-move-left' ),
					isMoveRight = moveBtn.is( '.menus-move-right' );

				if ( isMoveUp ) {
					control.moveUp();
				} else if ( isMoveDown ) {
					control.moveDown();
				} else if ( isMoveLeft ) {
					control.moveLeft();
				} else if ( isMoveRight ) {
					control.moveRight();
					control.params.depth += 1;
				}
				
				moveBtn.focus(); // Re-focus after the container was moved.

				// Mark all menu items as unprocessed.
				$( 'button.item-edit' ).data( 'needs_accessibility_refresh', true );
			} );
		},

		/**
		 * Set up event handlers for menu item updating.
		 */
		_setupUpdateUI: function() {
			var control = this,
				settingValue = control.setting(),
				updateNotifications;

			control.elements = {};
			control.elements.url = new api.Element( control.container.find( '.edit-menu-item-url' ) );
			control.elements.title = new api.Element( control.container.find( '.edit-menu-item-title' ) );
			control.elements.attr_title = new api.Element( control.container.find( '.edit-menu-item-attr-title' ) );
			control.elements.target = new api.Element( control.container.find( '.edit-menu-item-target' ) );
			control.elements.classes = new api.Element( control.container.find( '.edit-menu-item-classes' ) );
			control.elements.xfn = new api.Element( control.container.find( '.edit-menu-item-xfn' ) );
			control.elements.description = new api.Element( control.container.find( '.edit-menu-item-description' ) );
			// @todo Allow other elements, added by plugins, to be automatically picked up here;
			// allow additional values to be added to setting array.

			_.each( control.elements, function( element, property ) {
				element.bind(function( value ) {
					if ( element.element.is( 'input[type=checkbox]' ) ) {
						value = ( value ) ? element.element.val() : '';
					}

					var settingValue = control.setting();
					if ( settingValue && settingValue[ property ] !== value ) {
						settingValue = _.clone( settingValue );
						settingValue[ property ] = value;
						control.setting.set( settingValue );
					}
				});
				if ( settingValue ) {
					if ( ( property === 'classes' || property === 'xfn' ) && _.isArray( settingValue[ property ] ) ) {
						element.set( settingValue[ property ].join( ' ' ) );
					} else {
						element.set( settingValue[ property ] );
					}
				}
			});

			control.setting.bind(function( to, from ) {
				var itemId = control.params.menu_item_id,
					followingSiblingItemControls = [],
					childrenItemControls = [],
					menuControl;

				if ( false === to ) {
					menuControl = api.control( 'nav_menu[' + String( from.nav_menu_term_id ) + ']' );
					control.container.remove();

					_.each( menuControl.getMenuItemControls(), function( otherControl ) {
						if ( from.menu_item_parent === otherControl.setting().menu_item_parent && otherControl.setting().position > from.position ) {
							followingSiblingItemControls.push( otherControl );
						} else if ( otherControl.setting().menu_item_parent === itemId ) {
							childrenItemControls.push( otherControl );
						}
					});

					// Shift all following siblings by the number of children this item has.
					_.each( followingSiblingItemControls, function( followingSiblingItemControl ) {
						var value = _.clone( followingSiblingItemControl.setting() );
						value.position += childrenItemControls.length;
						followingSiblingItemControl.setting.set( value );
					});

					// Now move the children up to be the new subsequent siblings.
					_.each( childrenItemControls, function( childrenItemControl, i ) {
						var value = _.clone( childrenItemControl.setting() );
						value.position = from.position + i;
						value.menu_item_parent = from.menu_item_parent;
						childrenItemControl.setting.set( value );
					});

					menuControl.debouncedReflowMenuItems();
				} else {
					// Update the elements' values to match the new setting properties.
					_.each( to, function( value, key ) {
						if ( control.elements[ key] ) {
							control.elements[ key ].set( to[ key ] );
						}
					} );
					control.container.find( '.menu-item-data-parent-id' ).val( to.menu_item_parent );

					// Handle UI updates when the position or depth (parent) change.
					if ( to.position !== from.position || to.menu_item_parent !== from.menu_item_parent ) {
						control.getMenuControl().debouncedReflowMenuItems();
					}
				}
			});

			// Style the URL field as invalid when there is an invalid_url notification.
			updateNotifications = function() {
				control.elements.url.element.toggleClass( 'invalid', control.setting.notifications.has( 'invalid_url' ) );
			};
			control.setting.notifications.bind( 'add', updateNotifications );
			control.setting.notifications.bind( 'removed', updateNotifications );
		},

		/**
		 * Set up event handlers for menu item deletion.
		 */
		_setupRemoveUI: function() {
			var control = this, $removeBtn;

			// Configure delete button.
			$removeBtn = control.container.find( '.item-delete' );

			$removeBtn.on( 'click', function() {
				// Find an adjacent element to add focus to when this menu item goes away.
				var addingItems = true, $adjacentFocusTarget, $next, $prev,
					instanceCounter = 0, // Instance count of the menu item deleted.
					deleteItemOriginalItemId = control.params.original_item_id,
					addedItems = control.getMenuControl().$sectionContent.find( '.menu-item' ),
					availableMenuItem;

				if ( ! $( 'body' ).hasClass( 'adding-menu-items' ) ) {
					addingItems = false;
				}

				$next = control.container.nextAll( '.customize-control-nav_menu_item:visible' ).first();
				$prev = control.container.prevAll( '.customize-control-nav_menu_item:visible' ).first();

				if ( $next.length ) {
					$adjacentFocusTarget = $next.find( false === addingItems ? '.item-edit' : '.item-delete' ).first();
				} else if ( $prev.length ) {
					$adjacentFocusTarget = $prev.find( false === addingItems ? '.item-edit' : '.item-delete' ).first();
				} else {
					$adjacentFocusTarget = control.container.nextAll( '.customize-control-nav_menu' ).find( '.add-new-menu-item' ).first();
				}

				/*
				 * If the menu item deleted is the only of its instance left,
				 * remove the check icon of this menu item in the right panel.
				 */
				_.each( addedItems, function( addedItem ) {
					var menuItemId, menuItemControl, matches;

					// This is because menu item that's deleted is just hidden.
					if ( ! $( addedItem ).is( ':visible' ) ) {
						return;
					}

					matches = addedItem.getAttribute( 'id' ).match( /^customize-control-nav_menu_item-(-?\d+)$/, '' );
					if ( ! matches ) {
						return;
					}

					menuItemId      = parseInt( matches[1], 10 );
					menuItemControl = api.control( 'nav_menu_item[' + String( menuItemId ) + ']' );

					// Check for duplicate menu items.
					if ( menuItemControl && deleteItemOriginalItemId == menuItemControl.params.original_item_id ) {
						instanceCounter++;
					}
				} );

				if ( instanceCounter <= 1 ) {
					// Revert the check icon to add icon.
					availableMenuItem = $( '#menu-item-tpl-' + control.params.original_item_id );
					availableMenuItem.removeClass( 'selected' );
					availableMenuItem.find( '.menu-item-handle' ).removeClass( 'item-added' );
				}

				control.container.slideUp( function() {
					control.setting.set( false );
					wp.a11y.speak( api.Menus.data.l10n.itemDeleted );
					$adjacentFocusTarget.focus(); // Keyboard accessibility.
				} );

				control.setting.set( false );
			} );
		},

		_setupLinksUI: function() {
			var $origBtn;

			// Configure original link.
			$origBtn = this.container.find( 'a.original-link' );

			$origBtn.on( 'click', function( e ) {
				e.preventDefault();
				api.previewer.previewUrl( e.target.toString() );
			} );
		},

		/**
		 * Update item handle title when changed.
		 */
		_setupTitleUI: function() {
			var control = this, titleEl;

			// Ensure that whitespace is trimmed on blur so placeholder can be shown.
			control.container.find( '.edit-menu-item-title' ).on( 'blur', function() {
				$( this ).val( $( this ).val().trim() );
			} );

			titleEl = control.container.find( '.menu-item-title' );
			control.setting.bind( function( item ) {
				var trimmedTitle, titleText;
				if ( ! item ) {
					return;
				}
				item.title = item.title || '';
				trimmedTitle = item.title.trim();

				titleText = trimmedTitle || item.original_title || api.Menus.data.l10n.untitled;

				if ( item._invalid ) {
					titleText = api.Menus.data.l10n.invalidTitleTpl.replace( '%s', titleText );
				}

				// Don't update to an empty title.
				if ( trimmedTitle || item.original_title ) {
					titleEl
						.text( titleText )
						.removeClass( 'no-title' );
				} else {
					titleEl
						.text( titleText )
						.addClass( 'no-title' );
				}
			} );
		},

		/**
		 *
		 * @return {number}
		 */
		getDepth: function() {
			var control = this, setting = control.setting(), depth = 0;
			if ( ! setting ) {
				return 0;
			}
			while ( setting && setting.menu_item_parent ) {
				depth += 1;
				control = api.control( 'nav_menu_item[' + setting.menu_item_parent + ']' );
				if ( ! control ) {
					break;
				}
				setting = control.setting();
			}
			return depth;
		},

		/**
		 * Amend the control's params with the data necessary for the JS template just in time.
		 */
		renderContent: function() {
			var control = this,
				settingValue = control.setting(),
				containerClasses;

			control.params.title = settingValue.title || '';
			control.params.depth = control.getDepth();
			control.container.data( 'item-depth', control.params.depth );
			containerClasses = [
				'menu-item',
				'menu-item-depth-' + String( control.params.depth ),
				'menu-item-' + settingValue.object,
				'menu-item-edit-inactive'
			];

			if ( settingValue._invalid ) {
				containerClasses.push( 'menu-item-invalid' );
				control.params.title = api.Menus.data.l10n.invalidTitleTpl.replace( '%s', control.params.title );
			} else if ( 'draft' === settingValue.status ) {
				containerClasses.push( 'pending' );
				control.params.title = api.Menus.data.pendingTitleTpl.replace( '%s', control.params.title );
			}

			control.params.el_classes = containerClasses.join( ' ' );
			control.params.item_type_label = settingValue.type_label;
			control.params.item_type = settingValue.type;
			control.params.url = settingValue.url;
			control.params.target = settingValue.target;
			control.params.attr_title = settingValue.attr_title;
			control.params.classes = _.isArray( settingValue.classes ) ? settingValue.classes.join( ' ' ) : settingValue.classes;
			control.params.xfn = settingValue.xfn;
			control.params.description = settingValue.description;
			control.params.parent = settingValue.menu_item_parent;
			control.params.original_title = settingValue.original_title || '';

			control.container.addClass( control.params.el_classes );

			api.Control.prototype.renderContent.call( control );
		},

		/***********************************************************************
		 * Begin public API methods
		 **********************************************************************/

		/**
		 * @return {wp.customize.controlConstructor.nav_menu|null}
		 */
		getMenuControl: function() {
			var control = this, settingValue = control.setting();
			if ( settingValue && settingValue.nav_menu_term_id ) {
				return api.control( 'nav_menu[' + settingValue.nav_menu_term_id + ']' );
			} else {
				return null;
			}
		},

		/**
		 * Expand the accordion section containing a control
		 */
		expandControlSection: function() {
			var $section = this.container.closest( '.accordion-section' );
			if ( ! $section.hasClass( 'open' ) ) {
				$section.find( '.accordion-section-title:first' ).trigger( 'click' );
			}
		},

		/**
		 * @since 4.6.0
		 *
		 * @param {Boolean} expanded
		 * @param {Object} [params]
		 * @return {Boolean} False if state already applied.
		 */
		_toggleExpanded: api.Section.prototype._toggleExpanded,

		/**
		 * @since 4.6.0
		 *
		 * @param {Object} [params]
		 * @return {Boolean} False if already expanded.
		 */
		expand: api.Section.prototype.expand,

		/**
		 * Expand the menu item form control.
		 *
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		expandForm: function( params ) {
			this.expand( params );
		},

		/**
		 * @since 4.6.0
		 *
		 * @param {Object} [params]
		 * @return {Boolean} False if already collapsed.
		 */
		collapse: api.Section.prototype.collapse,

		/**
		 * Collapse the menu item form control.
		 *
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		collapseForm: function( params ) {
			this.collapse( params );
		},

		/**
		 * Expand or collapse the menu item control.
		 *
		 * @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide )
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {boolean}  [showOrHide] - If not supplied, will be inverse of current visibility
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		toggleForm: function( showOrHide, params ) {
			if ( typeof showOrHide === 'undefined' ) {
				showOrHide = ! this.expanded();
			}
			if ( showOrHide ) {
				this.expand( params );
			} else {
				this.collapse( params );
			}
		},

		/**
		 * Expand or collapse the menu item control.
		 *
		 * @since 4.6.0
		 * @param {boolean}  [showOrHide] - If not supplied, will be inverse of current visibility
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		onChangeExpanded: function( showOrHide, params ) {
			var self = this, $menuitem, $inside, complete;

			$menuitem = this.container;
			$inside = $menuitem.find( '.menu-item-settings:first' );
			if ( 'undefined' === typeof showOrHide ) {
				showOrHide = ! $inside.is( ':visible' );
			}

			// Already expanded or collapsed.
			if ( $inside.is( ':visible' ) === showOrHide ) {
				if ( params && params.completeCallback ) {
					params.completeCallback();
				}
				return;
			}

			if ( showOrHide ) {
				// Close all other menu item controls before expanding this one.
				api.control.each( function( otherControl ) {
					if ( self.params.type === otherControl.params.type && self !== otherControl ) {
						otherControl.collapseForm();
					}
				} );

				complete = function() {
					$menuitem
						.removeClass( 'menu-item-edit-inactive' )
						.addClass( 'menu-item-edit-active' );
					self.container.trigger( 'expanded' );

					if ( params && params.completeCallback ) {
						params.completeCallback();
					}
				};

				$menuitem.find( '.item-edit' ).attr( 'aria-expanded', 'true' );
				$inside.slideDown( 'fast', complete );

				self.container.trigger( 'expand' );
			} else {
				complete = function() {
					$menuitem
						.addClass( 'menu-item-edit-inactive' )
						.removeClass( 'menu-item-edit-active' );
					self.container.trigger( 'collapsed' );

					if ( params && params.completeCallback ) {
						params.completeCallback();
					}
				};

				self.container.trigger( 'collapse' );

				$menuitem.find( '.item-edit' ).attr( 'aria-expanded', 'false' );
				$inside.slideUp( 'fast', complete );
			}
		},

		/**
		 * Expand the containing menu section, expand the form, and focus on
		 * the first input in the control.
		 *
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {Object}   [params] - Params object.
		 * @param {Function} [params.completeCallback] - Optional callback function when focus has completed.
		 */
		focus: function( params ) {
			params = params || {};
			var control = this, originalCompleteCallback = params.completeCallback, focusControl;

			focusControl = function() {
				control.expandControlSection();

				params.completeCallback = function() {
					var focusable;

					// Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
					focusable = control.container.find( '.menu-item-settings' ).find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' );
					focusable.first().focus();

					if ( originalCompleteCallback ) {
						originalCompleteCallback();
					}
				};

				control.expandForm( params );
			};

			if ( api.section.has( control.section() ) ) {
				api.section( control.section() ).expand( {
					completeCallback: focusControl
				} );
			} else {
				focusControl();
			}
		},

		/**
		 * Move menu item up one in the menu.
		 */
		moveUp: function() {
			this._changePosition( -1 );
			wp.a11y.speak( api.Menus.data.l10n.movedUp );
		},

		/**
		 * Move menu item up one in the menu.
		 */
		moveDown: function() {
			this._changePosition( 1 );
			wp.a11y.speak( api.Menus.data.l10n.movedDown );
		},
		/**
		 * Move menu item and all children up one level of depth.
		 */
		moveLeft: function() {
			this._changeDepth( -1 );
			wp.a11y.speak( api.Menus.data.l10n.movedLeft );
		},

		/**
		 * Move menu item and children one level deeper, as a submenu of the previous item.
		 */
		moveRight: function() {
			this._changeDepth( 1 );
			wp.a11y.speak( api.Menus.data.l10n.movedRight );
		},

		/**
		 * Note that this will trigger a UI update, causing child items to
		 * move as well and cardinal order class names to be updated.
		 *
		 * @private
		 *
		 * @param {number} offset 1|-1
		 */
		_changePosition: function( offset ) {
			var control = this,
				adjacentSetting,
				settingValue = _.clone( control.setting() ),
				siblingSettings = [],
				realPosition;

			if ( 1 !== offset && -1 !== offset ) {
				throw new Error( 'Offset changes by 1 are only supported.' );
			}

			// Skip moving deleted items.
			if ( ! control.setting() ) {
				return;
			}

			// Locate the other items under the same parent (siblings).
			_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
				if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
					siblingSettings.push( otherControl.setting );
				}
			});
			siblingSettings.sort(function( a, b ) {
				return a().position - b().position;
			});

			realPosition = _.indexOf( siblingSettings, control.setting );
			if ( -1 === realPosition ) {
				throw new Error( 'Expected setting to be among siblings.' );
			}

			// Skip doing anything if the item is already at the edge in the desired direction.
			if ( ( realPosition === 0 && offset < 0 ) || ( realPosition === siblingSettings.length - 1 && offset > 0 ) ) {
				// @todo Should we allow a menu item to be moved up to break it out of a parent? Adopt with previous or following parent?
				return;
			}

			// Update any adjacent menu item setting to take on this item's position.
			adjacentSetting = siblingSettings[ realPosition + offset ];
			if ( adjacentSetting ) {
				adjacentSetting.set( $.extend(
					_.clone( adjacentSetting() ),
					{
						position: settingValue.position
					}
				) );
			}

			settingValue.position += offset;
			control.setting.set( settingValue );
		},

		/**
		 * Note that this will trigger a UI update, causing child items to
		 * move as well and cardinal order class names to be updated.
		 *
		 * @private
		 *
		 * @param {number} offset 1|-1
		 */
		_changeDepth: function( offset ) {
			if ( 1 !== offset && -1 !== offset ) {
				throw new Error( 'Offset changes by 1 are only supported.' );
			}
			var control = this,
				settingValue = _.clone( control.setting() ),
				siblingControls = [],
				realPosition,
				siblingControl,
				parentControl;

			// Locate the other items under the same parent (siblings).
			_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
				if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
					siblingControls.push( otherControl );
				}
			});
			siblingControls.sort(function( a, b ) {
				return a.setting().position - b.setting().position;
			});

			realPosition = _.indexOf( siblingControls, control );
			if ( -1 === realPosition ) {
				throw new Error( 'Expected control to be among siblings.' );
			}

			if ( -1 === offset ) {
				// Skip moving left an item that is already at the top level.
				if ( ! settingValue.menu_item_parent ) {
					return;
				}

				parentControl = api.control( 'nav_menu_item[' + settingValue.menu_item_parent + ']' );

				// Make this control the parent of all the following siblings.
				_( siblingControls ).chain().slice( realPosition ).each(function( siblingControl, i ) {
					siblingControl.setting.set(
						$.extend(
							{},
							siblingControl.setting(),
							{
								menu_item_parent: control.params.menu_item_id,
								position: i
							}
						)
					);
				});

				// Increase the positions of the parent item's subsequent children to make room for this one.
				_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
					var otherControlSettingValue, isControlToBeShifted;
					isControlToBeShifted = (
						otherControl.setting().menu_item_parent === parentControl.setting().menu_item_parent &&
						otherControl.setting().position > parentControl.setting().position
					);
					if ( isControlToBeShifted ) {
						otherControlSettingValue = _.clone( otherControl.setting() );
						otherControl.setting.set(
							$.extend(
								otherControlSettingValue,
								{ position: otherControlSettingValue.position + 1 }
							)
						);
					}
				});

				// Make this control the following sibling of its parent item.
				settingValue.position = parentControl.setting().position + 1;
				settingValue.menu_item_parent = parentControl.setting().menu_item_parent;
				control.setting.set( settingValue );

			} else if ( 1 === offset ) {
				// Skip moving right an item that doesn't have a previous sibling.
				if ( realPosition === 0 ) {
					return;
				}

				// Make the control the last child of the previous sibling.
				siblingControl = siblingControls[ realPosition - 1 ];
				settingValue.menu_item_parent = siblingControl.params.menu_item_id;
				settingValue.position = 0;
				_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
					if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
						settingValue.position = Math.max( settingValue.position, otherControl.setting().position );
					}
				});
				settingValue.position += 1;
				control.setting.set( settingValue );
			}
		}
	} );

	/**
	 * wp.customize.Menus.MenuNameControl
	 *
	 * Customizer control for a nav menu's name.
	 *
	 * @class    wp.customize.Menus.MenuNameControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuNameControl = api.Control.extend(/** @lends wp.customize.Menus.MenuNameControl.prototype */{

		ready: function() {
			var control = this;

			if ( control.setting ) {
				var settingValue = control.setting();

				control.nameElement = new api.Element( control.container.find( '.menu-name-field' ) );

				control.nameElement.bind(function( value ) {
					var settingValue = control.setting();
					if ( settingValue && settingValue.name !== value ) {
						settingValue = _.clone( settingValue );
						settingValue.name = value;
						control.setting.set( settingValue );
					}
				});
				if ( settingValue ) {
					control.nameElement.set( settingValue.name );
				}

				control.setting.bind(function( object ) {
					if ( object ) {
						control.nameElement.set( object.name );
					}
				});
			}
		}
	});

	/**
	 * wp.customize.Menus.MenuLocationsControl
	 *
	 * Customizer control for a nav menu's locations.
	 *
	 * @since 4.9.0
	 * @class    wp.customize.Menus.MenuLocationsControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuLocationsControl = api.Control.extend(/** @lends wp.customize.Menus.MenuLocationsControl.prototype */{

		/**
		 * Set up the control.
		 *
		 * @since 4.9.0
		 */
		ready: function () {
			var control = this;

			control.container.find( '.assigned-menu-location' ).each(function() {
				var container = $( this ),
					checkbox = container.find( 'input[type=checkbox]' ),
					element = new api.Element( checkbox ),
					navMenuLocationSetting = api( 'nav_menu_locations[' + checkbox.data( 'location-id' ) + ']' ),
					isNewMenu = control.params.menu_id === '',
					updateCheckbox = isNewMenu ? _.noop : function( checked ) {
						element.set( checked );
					},
					updateSetting = isNewMenu ? _.noop : function( checked ) {
						navMenuLocationSetting.set( checked ? control.params.menu_id : 0 );
					},
					updateSelectedMenuLabel = function( selectedMenuId ) {
						var menuSetting = api( 'nav_menu[' + String( selectedMenuId ) + ']' );
						if ( ! selectedMenuId || ! menuSetting || ! menuSetting() ) {
							container.find( '.theme-location-set' ).hide();
						} else {
							container.find( '.theme-location-set' ).show().find( 'span' ).text( displayNavMenuName( menuSetting().name ) );
						}
					};

				updateCheckbox( navMenuLocationSetting.get() === control.params.menu_id );

				checkbox.on( 'change', function() {
					// Note: We can't use element.bind( function( checked ){ ... } ) here because it will trigger a change as well.
					updateSetting( this.checked );
				} );

				navMenuLocationSetting.bind( function( selectedMenuId ) {
					updateCheckbox( selectedMenuId === control.params.menu_id );
					updateSelectedMenuLabel( selectedMenuId );
				} );
				updateSelectedMenuLabel( navMenuLocationSetting.get() );
			});
		},

		/**
		 * Set the selected locations.
		 *
		 * This method sets the selected locations and allows us to do things like
		 * set the default location for a new menu.
		 *
		 * @since 4.9.0
		 *
		 * @param {Object.<string,boolean>} selections - A map of location selections.
		 * @return {void}
		 */
		setSelections: function( selections ) {
			this.container.find( '.menu-location' ).each( function( i, checkboxNode ) {
				var locationId = checkboxNode.dataset.locationId;
				checkboxNode.checked = locationId in selections ? selections[ locationId ] : false;
			} );
		}
	});

	/**
	 * wp.customize.Menus.MenuAutoAddControl
	 *
	 * Customizer control for a nav menu's auto add.
	 *
	 * @class    wp.customize.Menus.MenuAutoAddControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuAutoAddControl = api.Control.extend(/** @lends wp.customize.Menus.MenuAutoAddControl.prototype */{

		ready: function() {
			var control = this,
				settingValue = control.setting();

			/*
			 * Since the control is not registered in PHP, we need to prevent the
			 * preview's sending of the activeControls to result in this control
			 * being deactivated.
			 */
			control.active.validate = function() {
				var value, section = api.section( control.section() );
				if ( section ) {
					value = section.active();
				} else {
					value = false;
				}
				return value;
			};

			control.autoAddElement = new api.Element( control.container.find( 'input[type=checkbox].auto_add' ) );

			control.autoAddElement.bind(function( value ) {
				var settingValue = control.setting();
				if ( settingValue && settingValue.name !== value ) {
					settingValue = _.clone( settingValue );
					settingValue.auto_add = value;
					control.setting.set( settingValue );
				}
			});
			if ( settingValue ) {
				control.autoAddElement.set( settingValue.auto_add );
			}

			control.setting.bind(function( object ) {
				if ( object ) {
					control.autoAddElement.set( object.auto_add );
				}
			});
		}

	});

	/**
	 * wp.customize.Menus.MenuControl
	 *
	 * Customizer control for menus.
	 * Note that 'nav_menu' must match the WP_Menu_Customize_Control::$type
	 *
	 * @class    wp.customize.Menus.MenuControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuControl = api.Control.extend(/** @lends wp.customize.Menus.MenuControl.prototype */{
		/**
		 * Set up the control.
		 */
		ready: function() {
			var control = this,
				section = api.section( control.section() ),
				menuId = control.params.menu_id,
				menu = control.setting(),
				name,
				widgetTemplate,
				select;

			if ( 'undefined' === typeof this.params.menu_id ) {
				throw new Error( 'params.menu_id was not defined' );
			}

			/*
			 * Since the control is not registered in PHP, we need to prevent the
			 * preview's sending of the activeControls to result in this control
			 * being deactivated.
			 */
			control.active.validate = function() {
				var value;
				if ( section ) {
					value = section.active();
				} else {
					value = false;
				}
				return value;
			};

			control.$controlSection = section.headContainer;
			control.$sectionContent = control.container.closest( '.accordion-section-content' );

			this._setupModel();

			api.section( control.section(), function( section ) {
				section.deferred.initSortables.done(function( menuList ) {
					control._setupSortable( menuList );
				});
			} );

			this._setupAddition();
			this._setupTitle();

			// Add menu to Navigation Menu widgets.
			if ( menu ) {
				name = displayNavMenuName( menu.name );

				// Add the menu to the existing controls.
				api.control.each( function( widgetControl ) {
					if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
						return;
					}
					widgetControl.container.find( '.nav-menu-widget-form-controls:first' ).show();
					widgetControl.container.find( '.nav-menu-widget-no-menus-message:first' ).hide();

					select = widgetControl.container.find( 'select' );
					if ( 0 === select.find( 'option[value=' + String( menuId ) + ']' ).length ) {
						select.append( new Option( name, menuId ) );
					}
				} );

				// Add the menu to the widget template.
				widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
				widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).show();
				widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).hide();
				select = widgetTemplate.find( '.widget-inside select:first' );
				if ( 0 === select.find( 'option[value=' + String( menuId ) + ']' ).length ) {
					select.append( new Option( name, menuId ) );
				}
			}

			/*
			 * Wait for menu items to be added.
			 * Ideally, we'd bind to an event indicating construction is complete,
			 * but deferring appears to be the best option today.
			 */
			_.defer( function () {
				control.updateInvitationVisibility();
			} );
		},

		/**
		 * Update ordering of menu item controls when the setting is updated.
		 */
		_setupModel: function() {
			var control = this,
				menuId = control.params.menu_id;

			control.setting.bind( function( to ) {
				var name;
				if ( false === to ) {
					control._handleDeletion();
				} else {
					// Update names in the Navigation Menu widgets.
					name = displayNavMenuName( to.name );
					api.control.each( function( widgetControl ) {
						if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
							return;
						}
						var select = widgetControl.container.find( 'select' );
						select.find( 'option[value=' + String( menuId ) + ']' ).text( name );
					});
				}
			} );
		},

		/**
		 * Allow items in each menu to be re-ordered, and for the order to be previewed.
		 *
		 * Notice that the UI aspects here are handled by wpNavMenu.initSortables()
		 * which is called in MenuSection.onChangeExpanded()
		 *
		 * @param {Object} menuList - The element that has sortable().
		 */
		_setupSortable: function( menuList ) {
			var control = this;

			if ( ! menuList.is( control.$sectionContent ) ) {
				throw new Error( 'Unexpected menuList.' );
			}

			menuList.on( 'sortstart', function() {
				control.isSorting = true;
			});

			menuList.on( 'sortstop', function() {
				setTimeout( function() { // Next tick.
					var menuItemContainerIds = control.$sectionContent.sortable( 'toArray' ),
						menuItemControls = [],
						position = 0,
						priority = 10;

					control.isSorting = false;

					// Reset horizontal scroll position when done dragging.
					control.$sectionContent.scrollLeft( 0 );

					_.each( menuItemContainerIds, function( menuItemContainerId ) {
						var menuItemId, menuItemControl, matches;
						matches = menuItemContainerId.match( /^customize-control-nav_menu_item-(-?\d+)$/, '' );
						if ( ! matches ) {
							return;
						}
						menuItemId = parseInt( matches[1], 10 );
						menuItemControl = api.control( 'nav_menu_item[' + String( menuItemId ) + ']' );
						if ( menuItemControl ) {
							menuItemControls.push( menuItemControl );
						}
					} );

					_.each( menuItemControls, function( menuItemControl ) {
						if ( false === menuItemControl.setting() ) {
							// Skip deleted items.
							return;
						}
						var setting = _.clone( menuItemControl.setting() );
						position += 1;
						priority += 1;
						setting.position = position;
						menuItemControl.priority( priority );

						// Note that wpNavMenu will be setting this .menu-item-data-parent-id input's value.
						setting.menu_item_parent = parseInt( menuItemControl.container.find( '.menu-item-data-parent-id' ).val(), 10 );
						if ( ! setting.menu_item_parent ) {
							setting.menu_item_parent = 0;
						}

						menuItemControl.setting.set( setting );
					});

					// Mark all menu items as unprocessed.
					$( 'button.item-edit' ).data( 'needs_accessibility_refresh', true );
				});

			});
			control.isReordering = false;

			/**
			 * Keyboard-accessible reordering.
			 */
			this.container.find( '.reorder-toggle' ).on( 'click', function() {
				control.toggleReordering( ! control.isReordering );
			} );
		},

		/**
		 * Set up UI for adding a new menu item.
		 */
		_setupAddition: function() {
			var self = this;

			this.container.find( '.add-new-menu-item' ).on( 'click', function( event ) {
				if ( self.$sectionContent.hasClass( 'reordering' ) ) {
					return;
				}

				if ( ! $( 'body' ).hasClass( 'adding-menu-items' ) ) {
					$( this ).attr( 'aria-expanded', 'true' );
					api.Menus.availableMenuItemsPanel.open( self );
				} else {
					$( this ).attr( 'aria-expanded', 'false' );
					api.Menus.availableMenuItemsPanel.close();
					event.stopPropagation();
				}
			} );
		},

		_handleDeletion: function() {
			var control = this,
				section,
				menuId = control.params.menu_id,
				removeSection,
				widgetTemplate,
				navMenuCount = 0;
			section = api.section( control.section() );
			removeSection = function() {
				section.container.remove();
				api.section.remove( section.id );
			};

			if ( section && section.expanded() ) {
				section.collapse({
					completeCallback: function() {
						removeSection();
						wp.a11y.speak( api.Menus.data.l10n.menuDeleted );
						api.panel( 'nav_menus' ).focus();
					}
				});
			} else {
				removeSection();
			}

			api.each(function( setting ) {
				if ( /^nav_menu\[/.test( setting.id ) && false !== setting() ) {
					navMenuCount += 1;
				}
			});

			// Remove the menu from any Navigation Menu widgets.
			api.control.each(function( widgetControl ) {
				if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
					return;
				}
				var select = widgetControl.container.find( 'select' );
				if ( select.val() === String( menuId ) ) {
					select.prop( 'selectedIndex', 0 ).trigger( 'change' );
				}

				widgetControl.container.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
				widgetControl.container.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
				widgetControl.container.find( 'option[value=' + String( menuId ) + ']' ).remove();
			});

			// Remove the menu to the nav menu widget template.
			widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
			widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
			widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
			widgetTemplate.find( 'option[value=' + String( menuId ) + ']' ).remove();
		},

		/**
		 * Update Section Title as menu name is changed.
		 */
		_setupTitle: function() {
			var control = this;

			control.setting.bind( function( menu ) {
				if ( ! menu ) {
					return;
				}

				var section = api.section( control.section() ),
					menuId = control.params.menu_id,
					controlTitle = section.headContainer.find( '.accordion-section-title' ),
					sectionTitle = section.contentContainer.find( '.customize-section-title h3' ),
					location = section.headContainer.find( '.menu-in-location' ),
					action = sectionTitle.find( '.customize-action' ),
					name = displayNavMenuName( menu.name );

				// Update the control title.
				controlTitle.text( name );
				if ( location.length ) {
					location.appendTo( controlTitle );
				}

				// Update the section title.
				sectionTitle.text( name );
				if ( action.length ) {
					action.prependTo( sectionTitle );
				}

				// Update the nav menu name in location selects.
				api.control.each( function( control ) {
					if ( /^nav_menu_locations\[/.test( control.id ) ) {
						control.container.find( 'option[value=' + menuId + ']' ).text( name );
					}
				} );

				// Update the nav menu name in all location checkboxes.
				section.contentContainer.find( '.customize-control-checkbox input' ).each( function() {
					if ( $( this ).prop( 'checked' ) ) {
						$( '.current-menu-location-name-' + $( this ).data( 'location-id' ) ).text( name );
					}
				} );
			} );
		},

		/***********************************************************************
		 * Begin public API methods
		 **********************************************************************/

		/**
		 * Enable/disable the reordering UI
		 *
		 * @param {boolean} showOrHide to enable/disable reordering
		 */
		toggleReordering: function( showOrHide ) {
			var addNewItemBtn = this.container.find( '.add-new-menu-item' ),
				reorderBtn = this.container.find( '.reorder-toggle' ),
				itemsTitle = this.$sectionContent.find( '.item-title' );

			showOrHide = Boolean( showOrHide );

			if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) {
				return;
			}

			this.isReordering = showOrHide;
			this.$sectionContent.toggleClass( 'reordering', showOrHide );
			this.$sectionContent.sortable( this.isReordering ? 'disable' : 'enable' );
			if ( this.isReordering ) {
				addNewItemBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				reorderBtn.attr( 'aria-label', api.Menus.data.l10n.reorderLabelOff );
				wp.a11y.speak( api.Menus.data.l10n.reorderModeOn );
				itemsTitle.attr( 'aria-hidden', 'false' );
			} else {
				addNewItemBtn.removeAttr( 'tabindex aria-hidden' );
				reorderBtn.attr( 'aria-label', api.Menus.data.l10n.reorderLabelOn );
				wp.a11y.speak( api.Menus.data.l10n.reorderModeOff );
				itemsTitle.attr( 'aria-hidden', 'true' );
			}

			if ( showOrHide ) {
				_( this.getMenuItemControls() ).each( function( formControl ) {
					formControl.collapseForm();
				} );
			}
		},

		/**
		 * @return {wp.customize.controlConstructor.nav_menu_item[]}
		 */
		getMenuItemControls: function() {
			var menuControl = this,
				menuItemControls = [],
				menuTermId = menuControl.params.menu_id;

			api.control.each(function( control ) {
				if ( 'nav_menu_item' === control.params.type && control.setting() && menuTermId === control.setting().nav_menu_term_id ) {
					menuItemControls.push( control );
				}
			});

			return menuItemControls;
		},

		/**
		 * Make sure that each menu item control has the proper depth.
		 */
		reflowMenuItems: function() {
			var menuControl = this,
				menuItemControls = menuControl.getMenuItemControls(),
				reflowRecursively;

			reflowRecursively = function( context ) {
				var currentMenuItemControls = [],
					thisParent = context.currentParent;
				_.each( context.menuItemControls, function( menuItemControl ) {
					if ( thisParent === menuItemControl.setting().menu_item_parent ) {
						currentMenuItemControls.push( menuItemControl );
						// @todo We could remove this item from menuItemControls now, for efficiency.
					}
				});
				currentMenuItemControls.sort( function( a, b ) {
					return a.setting().position - b.setting().position;
				});

				_.each( currentMenuItemControls, function( menuItemControl ) {
					// Update position.
					context.currentAbsolutePosition += 1;
					menuItemControl.priority.set( context.currentAbsolutePosition ); // This will change the sort order.

					// Update depth.
					if ( ! menuItemControl.container.hasClass( 'menu-item-depth-' + String( context.currentDepth ) ) ) {
						_.each( menuItemControl.container.prop( 'className' ).match( /menu-item-depth-\d+/g ), function( className ) {
							menuItemControl.container.removeClass( className );
						});
						menuItemControl.container.addClass( 'menu-item-depth-' + String( context.currentDepth ) );
					}
					menuItemControl.container.data( 'item-depth', context.currentDepth );

					// Process any children items.
					context.currentDepth += 1;
					context.currentParent = menuItemControl.params.menu_item_id;
					reflowRecursively( context );
					context.currentDepth -= 1;
					context.currentParent = thisParent;
				});

				// Update class names for reordering controls.
				if ( currentMenuItemControls.length ) {
					_( currentMenuItemControls ).each(function( menuItemControl ) {
						menuItemControl.container.removeClass( 'move-up-disabled move-down-disabled move-left-disabled move-right-disabled' );
						if ( 0 === context.currentDepth ) {
							menuItemControl.container.addClass( 'move-left-disabled' );
						} else if ( 10 === context.currentDepth ) {
							menuItemControl.container.addClass( 'move-right-disabled' );
						}
					});

					currentMenuItemControls[0].container
						.addClass( 'move-up-disabled' )
						.addClass( 'move-right-disabled' )
						.toggleClass( 'move-down-disabled', 1 === currentMenuItemControls.length );
					currentMenuItemControls[ currentMenuItemControls.length - 1 ].container
						.addClass( 'move-down-disabled' )
						.toggleClass( 'move-up-disabled', 1 === currentMenuItemControls.length );
				}
			};

			reflowRecursively( {
				menuItemControls: menuItemControls,
				currentParent: 0,
				currentDepth: 0,
				currentAbsolutePosition: 0
			} );

			menuControl.updateInvitationVisibility( menuItemControls );
			menuControl.container.find( '.reorder-toggle' ).toggle( menuItemControls.length > 1 );
		},

		/**
		 * Note that this function gets debounced so that when a lot of setting
		 * changes are made at once, for instance when moving a menu item that
		 * has child items, this function will only be called once all of the
		 * settings have been updated.
		 */
		debouncedReflowMenuItems: _.debounce( function() {
			this.reflowMenuItems.apply( this, arguments );
		}, 0 ),

		/**
		 * Add a new item to this menu.
		 *
		 * @param {Object} item - Value for the nav_menu_item setting to be created.
		 * @return {wp.customize.Menus.controlConstructor.nav_menu_item} The newly-created nav_menu_item control instance.
		 */
		addItemToMenu: function( item ) {
			var menuControl = this, customizeId, settingArgs, setting, menuItemControl, placeholderId, position = 0, priority = 10,
				originalItemId = item.id || '';

			_.each( menuControl.getMenuItemControls(), function( control ) {
				if ( false === control.setting() ) {
					return;
				}
				priority = Math.max( priority, control.priority() );
				if ( 0 === control.setting().menu_item_parent ) {
					position = Math.max( position, control.setting().position );
				}
			});
			position += 1;
			priority += 1;

			item = $.extend(
				{},
				api.Menus.data.defaultSettingValues.nav_menu_item,
				item,
				{
					nav_menu_term_id: menuControl.params.menu_id,
					original_title: item.title,
					position: position
				}
			);
			delete item.id; // Only used by Backbone.

			placeholderId = api.Menus.generatePlaceholderAutoIncrementId();
			customizeId = 'nav_menu_item[' + String( placeholderId ) + ']';
			settingArgs = {
				type: 'nav_menu_item',
				transport: api.Menus.data.settingTransport,
				previewer: api.previewer
			};
			setting = api.create( customizeId, customizeId, {}, settingArgs );
			setting.set( item ); // Change from initial empty object to actual item to mark as dirty.

			// Add the menu item control.
			menuItemControl = new api.controlConstructor.nav_menu_item( customizeId, {
				type: 'nav_menu_item',
				section: menuControl.id,
				priority: priority,
				settings: {
					'default': customizeId
				},
				menu_item_id: placeholderId,
				original_item_id: originalItemId
			} );

			api.control.add( menuItemControl );
			setting.preview();
			menuControl.debouncedReflowMenuItems();

			wp.a11y.speak( api.Menus.data.l10n.itemAdded );

			return menuItemControl;
		},

		/**
		 * Show an invitation to add new menu items when there are no menu items.
		 *
		 * @since 4.9.0
		 *
		 * @param {wp.customize.controlConstructor.nav_menu_item[]} optionalMenuItemControls
		 */
		updateInvitationVisibility: function ( optionalMenuItemControls ) {
			var menuItemControls = optionalMenuItemControls || this.getMenuItemControls();

			this.container.find( '.new-menu-item-invitation' ).toggle( menuItemControls.length === 0 );
		}
	} );

	/**
	 * Extends wp.customize.controlConstructor with control constructor for
	 * menu_location, menu_item, nav_menu, and new_menu.
	 */
	$.extend( api.controlConstructor, {
		nav_menu_location: api.Menus.MenuLocationControl,
		nav_menu_item: api.Menus.MenuItemControl,
		nav_menu: api.Menus.MenuControl,
		nav_menu_name: api.Menus.MenuNameControl,
		nav_menu_locations: api.Menus.MenuLocationsControl,
		nav_menu_auto_add: api.Menus.MenuAutoAddControl
	});

	/**
	 * Extends wp.customize.panelConstructor with section constructor for menus.
	 */
	$.extend( api.panelConstructor, {
		nav_menus: api.Menus.MenusPanel
	});

	/**
	 * Extends wp.customize.sectionConstructor with section constructor for menu.
	 */
	$.extend( api.sectionConstructor, {
		nav_menu: api.Menus.MenuSection,
		new_menu: api.Menus.NewMenuSection
	});

	/**
	 * Init Customizer for menus.
	 */
	api.bind( 'ready', function() {

		// Set up the menu items panel.
		api.Menus.availableMenuItemsPanel = new api.Menus.AvailableMenuItemsPanelView({
			collection: api.Menus.availableMenuItems
		});

		api.bind( 'saved', function( data ) {
			if ( data.nav_menu_updates || data.nav_menu_item_updates ) {
				api.Menus.applySavedData( data );
			}
		} );

		/*
		 * Reset the list of posts created in the customizer once published.
		 * The setting is updated quietly (bypassing events being triggered)
		 * so that the customized state doesn't become immediately dirty.
		 */
		api.state( 'changesetStatus' ).bind( function( status ) {
			if ( 'publish' === status ) {
				api( 'nav_menus_created_posts' )._value = [];
			}
		} );

		// Open and focus menu control.
		api.previewer.bind( 'focus-nav-menu-item-control', api.Menus.focusMenuItemControl );
	} );

	/**
	 * When customize_save comes back with a success, make sure any inserted
	 * nav menus and items are properly re-added with their newly-assigned IDs.
	 *
	 * @alias wp.customize.Menus.applySavedData
	 *
	 * @param {Object} data
	 * @param {Array} data.nav_menu_updates
	 * @param {Array} data.nav_menu_item_updates
	 */
	api.Menus.applySavedData = function( data ) {

		var insertedMenuIdMapping = {}, insertedMenuItemIdMapping = {};

		_( data.nav_menu_updates ).each(function( update ) {
			var oldCustomizeId, newCustomizeId, customizeId, oldSetting, newSetting, setting, settingValue, oldSection, newSection, wasSaved, widgetTemplate, navMenuCount, shouldExpandNewSection;
			if ( 'inserted' === update.status ) {
				if ( ! update.previous_term_id ) {
					throw new Error( 'Expected previous_term_id' );
				}
				if ( ! update.term_id ) {
					throw new Error( 'Expected term_id' );
				}
				oldCustomizeId = 'nav_menu[' + String( update.previous_term_id ) + ']';
				if ( ! api.has( oldCustomizeId ) ) {
					throw new Error( 'Expected setting to exist: ' + oldCustomizeId );
				}
				oldSetting = api( oldCustomizeId );
				if ( ! api.section.has( oldCustomizeId ) ) {
					throw new Error( 'Expected control to exist: ' + oldCustomizeId );
				}
				oldSection = api.section( oldCustomizeId );

				settingValue = oldSetting.get();
				if ( ! settingValue ) {
					throw new Error( 'Did not expect setting to be empty (deleted).' );
				}
				settingValue = $.extend( _.clone( settingValue ), update.saved_value );

				insertedMenuIdMapping[ update.previous_term_id ] = update.term_id;
				newCustomizeId = 'nav_menu[' + String( update.term_id ) + ']';
				newSetting = api.create( newCustomizeId, newCustomizeId, settingValue, {
					type: 'nav_menu',
					transport: api.Menus.data.settingTransport,
					previewer: api.previewer
				} );

				shouldExpandNewSection = oldSection.expanded();
				if ( shouldExpandNewSection ) {
					oldSection.collapse();
				}

				// Add the menu section.
				newSection = new api.Menus.MenuSection( newCustomizeId, {
					panel: 'nav_menus',
					title: settingValue.name,
					customizeAction: api.Menus.data.l10n.customizingMenus,
					type: 'nav_menu',
					priority: oldSection.priority.get(),
					menu_id: update.term_id
				} );

				// Add new control for the new menu.
				api.section.add( newSection );

				// Update the values for nav menus in Navigation Menu controls.
				api.control.each( function( setting ) {
					if ( ! setting.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== setting.params.widget_id_base ) {
						return;
					}
					var select, oldMenuOption, newMenuOption;
					select = setting.container.find( 'select' );
					oldMenuOption = select.find( 'option[value=' + String( update.previous_term_id ) + ']' );
					newMenuOption = select.find( 'option[value=' + String( update.term_id ) + ']' );
					newMenuOption.prop( 'selected', oldMenuOption.prop( 'selected' ) );
					oldMenuOption.remove();
				} );

				// Delete the old placeholder nav_menu.
				oldSetting.callbacks.disable(); // Prevent setting triggering Customizer dirty state when set.
				oldSetting.set( false );
				oldSetting.preview();
				newSetting.preview();
				oldSetting._dirty = false;

				// Remove nav_menu section.
				oldSection.container.remove();
				api.section.remove( oldCustomizeId );

				// Update the nav_menu widget to reflect removed placeholder menu.
				navMenuCount = 0;
				api.each(function( setting ) {
					if ( /^nav_menu\[/.test( setting.id ) && false !== setting() ) {
						navMenuCount += 1;
					}
				});
				widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
				widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
				widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
				widgetTemplate.find( 'option[value=' + String( update.previous_term_id ) + ']' ).remove();

				// Update the nav_menu_locations[...] controls to remove the placeholder menus from the dropdown options.
				wp.customize.control.each(function( control ){
					if ( /^nav_menu_locations\[/.test( control.id ) ) {
						control.container.find( 'option[value=' + String( update.previous_term_id ) + ']' ).remove();
					}
				});

				// Update nav_menu_locations to reference the new ID.
				api.each( function( setting ) {
					var wasSaved = api.state( 'saved' ).get();
					if ( /^nav_menu_locations\[/.test( setting.id ) && setting.get() === update.previous_term_id ) {
						setting.set( update.term_id );
						setting._dirty = false; // Not dirty because this is has also just been done on server in WP_Customize_Nav_Menu_Setting::update().
						api.state( 'saved' ).set( wasSaved );
						setting.preview();
					}
				} );

				if ( shouldExpandNewSection ) {
					newSection.expand();
				}
			} else if ( 'updated' === update.status ) {
				customizeId = 'nav_menu[' + String( update.term_id ) + ']';
				if ( ! api.has( customizeId ) ) {
					throw new Error( 'Expected setting to exist: ' + customizeId );
				}

				// Make sure the setting gets updated with its sanitized server value (specifically the conflict-resolved name).
				setting = api( customizeId );
				if ( ! _.isEqual( update.saved_value, setting.get() ) ) {
					wasSaved = api.state( 'saved' ).get();
					setting.set( update.saved_value );
					setting._dirty = false;
					api.state( 'saved' ).set( wasSaved );
				}
			}
		} );

		// Build up mapping of nav_menu_item placeholder IDs to inserted IDs.
		_( data.nav_menu_item_updates ).each(function( update ) {
			if ( update.previous_post_id ) {
				insertedMenuItemIdMapping[ update.previous_post_id ] = update.post_id;
			}
		});

		_( data.nav_menu_item_updates ).each(function( update ) {
			var oldCustomizeId, newCustomizeId, oldSetting, newSetting, settingValue, oldControl, newControl;
			if ( 'inserted' === update.status ) {
				if ( ! update.previous_post_id ) {
					throw new Error( 'Expected previous_post_id' );
				}
				if ( ! update.post_id ) {
					throw new Error( 'Expected post_id' );
				}
				oldCustomizeId = 'nav_menu_item[' + String( update.previous_post_id ) + ']';
				if ( ! api.has( oldCustomizeId ) ) {
					throw new Error( 'Expected setting to exist: ' + oldCustomizeId );
				}
				oldSetting = api( oldCustomizeId );
				if ( ! api.control.has( oldCustomizeId ) ) {
					throw new Error( 'Expected control to exist: ' + oldCustomizeId );
				}
				oldControl = api.control( oldCustomizeId );

				settingValue = oldSetting.get();
				if ( ! settingValue ) {
					throw new Error( 'Did not expect setting to be empty (deleted).' );
				}
				settingValue = _.clone( settingValue );

				// If the parent menu item was also inserted, update the menu_item_parent to the new ID.
				if ( settingValue.menu_item_parent < 0 ) {
					if ( ! insertedMenuItemIdMapping[ settingValue.menu_item_parent ] ) {
						throw new Error( 'inserted ID for menu_item_parent not available' );
					}
					settingValue.menu_item_parent = insertedMenuItemIdMapping[ settingValue.menu_item_parent ];
				}

				// If the menu was also inserted, then make sure it uses the new menu ID for nav_menu_term_id.
				if ( insertedMenuIdMapping[ settingValue.nav_menu_term_id ] ) {
					settingValue.nav_menu_term_id = insertedMenuIdMapping[ settingValue.nav_menu_term_id ];
				}

				newCustomizeId = 'nav_menu_item[' + String( update.post_id ) + ']';
				newSetting = api.create( newCustomizeId, newCustomizeId, settingValue, {
					type: 'nav_menu_item',
					transport: api.Menus.data.settingTransport,
					previewer: api.previewer
				} );

				// Add the menu control.
				newControl = new api.controlConstructor.nav_menu_item( newCustomizeId, {
					type: 'nav_menu_item',
					menu_id: update.post_id,
					section: 'nav_menu[' + String( settingValue.nav_menu_term_id ) + ']',
					priority: oldControl.priority.get(),
					settings: {
						'default': newCustomizeId
					},
					menu_item_id: update.post_id
				} );

				// Remove old control.
				oldControl.container.remove();
				api.control.remove( oldCustomizeId );

				// Add new control to take its place.
				api.control.add( newControl );

				// Delete the placeholder and preview the new setting.
				oldSetting.callbacks.disable(); // Prevent setting triggering Customizer dirty state when set.
				oldSetting.set( false );
				oldSetting.preview();
				newSetting.preview();
				oldSetting._dirty = false;

				newControl.container.toggleClass( 'menu-item-edit-inactive', oldControl.container.hasClass( 'menu-item-edit-inactive' ) );
			}
		});

		/*
		 * Update the settings for any nav_menu widgets that had selected a placeholder ID.
		 */
		_.each( data.widget_nav_menu_updates, function( widgetSettingValue, widgetSettingId ) {
			var setting = api( widgetSettingId );
			if ( setting ) {
				setting._value = widgetSettingValue;
				setting.preview(); // Send to the preview now so that menu refresh will use the inserted menu.
			}
		});
	};

	/**
	 * Focus a menu item control.
	 *
	 * @alias wp.customize.Menus.focusMenuItemControl
	 *
	 * @param {string} menuItemId
	 */
	api.Menus.focusMenuItemControl = function( menuItemId ) {
		var control = api.Menus.getMenuItemControl( menuItemId );
		if ( control ) {
			control.focus();
		}
	};

	/**
	 * Get the control for a given menu.
	 *
	 * @alias wp.customize.Menus.getMenuControl
	 *
	 * @param menuId
	 * @return {wp.customize.controlConstructor.menus[]}
	 */
	api.Menus.getMenuControl = function( menuId ) {
		return api.control( 'nav_menu[' + menuId + ']' );
	};

	/**
	 * Given a menu item ID, get the control associated with it.
	 *
	 * @alias wp.customize.Menus.getMenuItemControl
	 *
	 * @param {string} menuItemId
	 * @return {Object|null}
	 */
	api.Menus.getMenuItemControl = function( menuItemId ) {
		return api.control( menuItemIdToSettingId( menuItemId ) );
	};

	/**
	 * @alias wp.customize.Menus~menuItemIdToSettingId
	 *
	 * @param {string} menuItemId
	 */
	function menuItemIdToSettingId( menuItemId ) {
		return 'nav_menu_item[' + menuItemId + ']';
	}

	/**
	 * Apply sanitize_text_field()-like logic to the supplied name, returning a
	 * "unnammed" fallback string if the name is then empty.
	 *
	 * @alias wp.customize.Menus~displayNavMenuName
	 *
	 * @param {string} name
	 * @return {string}
	 */
	function displayNavMenuName( name ) {
		name = name || '';
		name = wp.sanitize.stripTagsAndEncodeText( name ); // Remove any potential tags from name.
		name = name.toString().trim();
		return name || api.Menus.data.l10n.unnamed;
	}

})( wp.customize, wp, jQuery );
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  • There are not different setups showing how an online casino could be operated.
  • There is a built-in random number generator algorithm within each casino game.

There’s a pre-determined Return To Player figure, which can either be arranged by the software creator or the casino alone. CasinoWizard’s life quest is always to seek away trustworthy online gambling dens that offer on-line slots in the particular highest RTP setups. Well, while it’s believed to become the particular biggest market with regard to online casinos immediately, you need a separate license each state that approves on-line casino gambling. This is one regarding the main reasons why online casinos are less eager on players making minimum deposits and withdrawals all the particular time. Keep inside mind that most online casinos offer the same games, so there are few variables that distinguish them from your rest.

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Whilst revenues from video games are guaranteed, what do casinos carry out to maximise their own earnings? To achieve success in the lengthy run, an on-line casino always requires to get fresh customers, ensure of which those customers are playing frequently and are delighted and stay set.” “[newline]Every online casino’s objective is the same — people pay to play a broad range of casino games. Every game is based on luck, and players invest a specific amount pounds and hope to be able to win more. Beyond general marketing techniques and commission-seeking, online casinos will likewise host games that have specific Return to Player (RTP) proportions mostbet login.

  • But become aware also in case there is a new maximum limit for withdrawing funds.
  • The bottom line is the fact players won’t go to your new internet site on its own, but a person need to be known as if you’re not seen; a person don’t exist.
  • These businesses are not exercises in charitable organisation – rather, that they sell players the opportunity to win bigger prizes for cash they are willing to bet.
  • This way, you could be able to develop your app without having a gambling license.
  • All in our content is written by ourselves and we are very pleased to be AI-proof.
  • This approach, you will possess a general idea of your accessible funds and you will be capable to place reasonable wagers that correspond in order to your bankroll.

These casinos eliminate the long withdrawal, registration in addition to deposit processes and let players to quickly start playing. Most of these casinos have teamed upward with Trustly, the fintech giant, which created a mechanism for players to bypass the normal processes. Therefore, to enjoy the maximum income and high go back on investments obtainable on this sort of business, a person must also become ready to pay for typically the required sacrifices. An RTP above this is well known as very generous – and many sport developers offer slot machines on which casinos may set RTPs over a sliding scale.

How Does An Online Casino Operate?

Though most casino video games are easy to understand, most of them take some time to master. So, as a gambler aiming to make money regularly, you must cautiously understand the regulations as well as how to play the particular games well. The very first thing that a person need to realize if you need to make money from an on-line casino, is that you need an advantage.

  • The greatest goal of each player is always to understand how to efficiently get paid from on-line casino bonuses.
  • This may help you save on costs and time while still enabling you to tailor your product.
  • In addition to the open elements, system must offer APIs so that it is possible to define extensions.
  • To deal with these jobs, you will need a devoted employee who runs these requirements plus ensures that almost all regulations are implemented correctly.
  • In the long run, all players will shed 5% of these cash to the on line casino which pays champions 95% as cashback.

Otherwise, it will probably be” “a costly mistake and an obstacle to getting to a profitable business. In this article, all of us will take you on a quest where we provide you insights directly into how to start and function an internet casino. So, you already been having several thoughts of beginning your own online casino, or maybe you might be just curious about how it just about all works.

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You could also try setting oneself a time limit for gaming online. Aside coming from winning big on games, do an individual know how in order to make money from the casino? If you’re a normal gambler playing with big sums, an individual might be entitled to extra additional bonuses or cash mostbet app.

  • Blackjack is one of the world’s most favored casino games and one of the most profitable for players.
  • The registration process is smooth, and gamers usually don’t need to send a number of documents to be able to prove their personal or incomes, as is the situation in most regulated markets.
  • Games where it’s Player vs. Gamer will often possess an entrance payment.
  • Keep in mind that most online casinos offer you the same games, so there are very few variables that distinguish them from your rest.

This way, you might be able to build your app without having a gambling certificate. Nevertheless, your software must meet the other legal needs mentioned earlier. You should also consider cryptocurrency as the entire online online casino industry is relocating to this field as well. You’ll also need to offer several rewarding bonuses and promotions, especially within the early days and nights, so that you can quickly appeal to high quantities of players.

How To Gain From Casino Bonus Deals With Online Slots

It is obviously recommended to conduct proper research before choosing online casinos or applications, whether you are a beginner or an experienced casino player. Reading reviews submitted by other users can be a helpful way to gain more information in regards to a site. These reviews may provide valuable ideas from people that have already had some experience with the site. Slot devices are one regarding the most fun-packed games in the particular great casinos.

This article provides a step-by-step guide to help an individual navigate setting up your online online casino. It includes specified information, from buying the necessary licenses and” “licences to choosing typically the right software and payment processing remedies. Reading site testimonials before trusting it with your cash is also a new good idea. Furthermore, the casino’s style and navigation should be clear and user-friendly, particularly if these people market themselves since the best and most trustworthy in the commercial. It’s also essential to know the least and maximum wagering limits and to be able to inquire using the specialized support team about the maximum payout for large winnings.

Choosing Plus Playing Games

For example, the particular RTP of a new slot game may dictate how very much money it provides to players above the course of its lifetime (often several years). This means that the casino would not respect the break-even rule to be able to allow players in order to earn their full amount. In the particular long run, all players will drop 5% of these money to the online casino which pays winners 95% as procuring. Although this house edge appears to be able to be small , and the cumulative amount is usually massive, thinking about the hefty wagers that each players exchange within the high stakes casinos. Online gambling has turn out to be legal across the handful of declares over the last decade, while online sports betting made a much greater push across typically the country.

  • You’ll range from the amount of your earnings when you record your” “tax return for the year rather than at the casino when you claim them.
  • They are typically recommended to even more advanced business owners who wish to have more say within the small things.
  • How to make money in casino is a frequent query these days of course, if you are seeking for an response to this query look no even more.
  • With Player versus. Casino, the casino will use a specific RTP, which is usually programmed into the particular game.
  • Don’t get sucked into becoming superstitious because there’s simply no way to control a game’s outcome.
  • Today, some casinos function over 1, 500 slot games, and many game companies still publish new titles every year.

With” “the change, emerging on-line gaming companies for example DraftKings and incumbent casinos’ online procedures give them even more ways to get to the betting public as opposed to the way ever before. The reasons why it will be so important to get familiar together with these factors is usually that thanks to them, you will be able to be able to determine the most beneficial game for an individual. Generally speaking, typically the higher the home edge, the lower the probabilities are to win the sport.

Tips In Order To Have Got Fun Playing Online Baccarat

Obviously, you should never play with money you have to pay your bills or perhaps cover your daily demands. As this stating goes – have fun with money that you could afford to shed. Don’t forget that will online casinos are usually available 24/7 in addition to there’s do not need be in a be quick when visiting these internet sites. First and primarily, you should understand that not all casino games have similar odds. As the matter of truth, many of them have very much better odds as compared to others. For example, online slot games have some from the worst odds you will find in this business.

  • If an individual check out a land-based casino, you have to place the bet to be able to perform.
  • These games are not really only fun to play but are usually also extremely exciting.
  • This is just what brings the enjoyment, excitement, and high quality gaming for your on-line casino.
  • Make certain to supply the most popular banking methods so players can quickly deposit and take away from the casino.

There are many casino game titles like slot game titles, roulette, and keno where you can find amazing jackpots. In some cases, these jackpots will be worth hundreds regarding thousands of bucks. But, if an individual are thinking about obtaining a way in order to win a jackpot feature like this, you may realize that you will realize that the particular odds of succeeding are extremely minimal. This means that will you don’t possess to invest any of your funds to try out a video game there. Obviously, this specific also means of which you won’t be able to earn money, but you should understand this as a new way to generate money in on the internet casinos over time.

Web Development

But what’s known for sure is that each of these people has specific units of rules. So, before you commence playing on a new casino site, make sure that you understand the fundamentals of the sport you are looking at. It would be even better if you spend several time reading guides that can aid master that game. One of the particular things that create casino sites thus exciting and popular is that an individual can get entry to hundreds of games. On the some other hand, there” “are some casino games with excellent odds.

  • Gambling will be unpredictable, and one must realize that it is not wise to invest their finances at risk as there is constantly an opportunity of losing.
  • Despite RTPs becoming seemingly balanced in the direction of the gamer, these statistics indicate that there will always become an assurance of come back to a casino.
  • The least difficult and quickest technique is the White Label solution, and it takes around a couple of to three months.
  • With that at heart, I wanted to offer you an in depth review of the actions take to start an online casino.
  • If functioning in order to” “live casinos, they obtain profit from game titles while there is no randomly number generator.

You won’t become able to any casino without repayment processors, so you’ll have to help to make” “deals with reputable payment companies. Now that I’ve covered most of the important things about starting and working an online casino let’s take a quick look at the actions you need to take to open it yourself. Many regulatory bodies within the world offer licenses to internet casinos and other gambling websites. Despite RTPs becoming seemingly balanced towards the ball player, these figures indicate that presently there will always become guaranteed of go back to a casino. Players can also keep on to expect completely random gameplay – for example, a great RTP of 97% isn’t an assurance that they will certainly lose just 3% of times. How to be able to make money at casino is a frequent issue these days and if you are seeking for an solution to this query look no even more.

Online Casino Benefits Over The Players

ECOGRA may be the online playing industry’s independent limiter and they evaluate online casinos to be sure they’re secure regarding players. If you would like” “for making money with on the internet casinos, you have got to take some time to be able to prepare and learn each of the subtleties in the industry. For instance, you need to know which game titles are beneficial in addition to which ones don’t have decent probabilities. In addition, you have to possess virtues such as patience and discipline as they play a crucial role inside this process.

  • Last but not minimum, many gambling specialists advise that the best way to make money with on the internet casinos is in order to aim at making small, achievable income rather than colossal amounts.
  • Most of the particular casinos have an on line casino VIP program that is used to be able to rank players of which are entitled to this reward.
  • First of all, there’s blackjack, a card game with typical odds that move below 1%.
  • We’ll cover several matters, including considering particular game strategies, money management tips, and how to maximize bonuses for a new rewarding gaming encounter.

We all know of which online casinos make a fortune, as the latest estimates recommend that the online gambling market is usually worth a staggering $66. 7 billion. Having a strategy get is just as essential as” “using a strategy for your moves when applicable. What is even more, without a dependable plan for your own bankroll, you will be bound to lose all of your own winnings.

How We Make Money

And as we keep mentioning, you need a solid partner that knows how to design and develop a quality casino software. It is crucial to keep in mind that creating a dedicated on line casino app will require a larger budget compared to building an MVP. But if” “you could have the resources, the dedicated app may be a fantastic way to ensure your product is top-notch. Your casino application needs to become able to stand out in a sea of competition.

  • However, the casinos bank on some gamers being reckless since it’s another method for them to ensure they win more as compared to those players.
  • To successfully acquire new players, you’ll want to be able to use targeted text messages.
  • Make sure to usually look at the minimum bet limit a particular game has as this is the total amount that you will be required to spot every time inside order to remain in the game.
  • With prototypes of your slots, we can quickly show you how your online casino will look and feel.

CasinoWizard comes with an expert team of 4 slots- and internet casino enthusiasts with more than 50 combined a lot of experience. Yes, not only does the old shield dominate the on-line casino landscape, but some new traders have made a great impact, too. Isn´t it enough in order to provide players with the most known payment strategies like VISA, Master card, and Bank transactions?

Avoid Sketchy Sites

Analytics Insight® is an influential platform dedicated to information, trends, and opinion from the globe of data-driven technologies. It monitors innovations, recognition, and achievements made by Synthetic Intelligence, Big Data and Analytics companies across the globe. Analytics Insight will be an influential system dedicated to information, trends, and views from your world of data-driven technologies. The options are increasing, but a good way to employ them is to be able to gamble online. Do your quest and possess a proper technique plan ready regarding what markets you would like to target and exactly why.” “[newline]Latin America is increasing, but again, you need some being familiar with of those marketplaces and correctly translated content. One sure way to are unsuccessful is to use poorly converted content, so pay out attention to them.

  • These events often require an entry fee but allow gamers to win money by gambling.
  • There are numerous ways you can leverage your online casino to help to make money.
  • But it offers the advantage of being higher than a cashable added bonus (hence a larger playing bankroll) even though also the gambling requirements will end up being higher.
  • Winnings that exceed either $600 or 300 times your initial wager must be reported in a horse racing track.

Are used to entice participants to keep placing bets because they will are offered if you reload your account. Loyalty bonuses will be rewards for players that have advanced in levels because associated with long term engagement with the on line casino. Most of the casinos possess a casino VIP program of which is used to be able to rank players that are eligible for this reward. Casino” “procuring bonuses involve the refunds you obtain whenever you register a streak of loss. How to make money from on-line casino bonuses is now a common training within the gaming world.

Do Internet Casinos Report Gambling Revenue To The Internal Revenue Service?

The right and scalable platform plays a role of a skeleton for your business and determines how easy it is to develop and grow your casino app. With prototypes of your slot machines, we can quickly demonstrate how your online casino will look and feel. We can also help you with the more technical aspects, such as setting up a payment gateway and choosing the right hosting solution.

  • You need to provide players a cause to choose your on the internet casino instead of a competitor next time they wish to play.
  • You can perform live commentary, communicate with the talk functionality, or create banter between gamers (if applicable).
  • This is the hard reality, and you need to realize what you are usually getting into before investing time in addition to money into releasing your own casinos.

You must furthermore integrate the necessary features like repayment systems and user accounts management. The point is the fact when you run your own personal online casino, a person decide if you permit players spin together with the best odds or with RTPs that increase your current chances of creating a profitable business. The most popular on line casino games are slots, poker, blackjack, and roulette. Online casino business is a profitable business that is desirable to learn by interested business-minded individuals regardless of their previous experience. The enterprise has” “turned into one of the leading internet businesses in the world today that provides maximum profit over a relatively quick period of period.

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Players can easily still hit huge wins when enjoying on lower RTP versions, but their particular balances will dry up faster as compared to when playing around the best-paying options. Most players have zero idea that these alternatives even exist and automatically imagine they always play on typically the best-paying version any time in reality the contrary might be real. Make sure of which whoever does these kinds of negotiations to suit your needs provides previous experience of how these deals should be made in addition to knowledge about typically the going rates.

  • To achieve success at internet marketer marketing, choosing reliable and trustworthy on-line casinos with good alteration rates is important.
  • Pay N Play casinos gather the players’ banking details via Trustly therefore that players can skip right in order to the deposit.
  • This number, of program, translates into over 90% of individuals who lose big time in the particular gambling industry.
  • Another good advice related to casino game titles and learning these kinds of games is to be able to play 1 or 2 various types of video games at once.

The house edge is the expression which describes typically the built-in advantage regarding the casino or in other phrases, the proportion of almost all wagered money that you are anticipated to get involved typically the long term. To achieve success at internet marketer marketing, choosing trustworthy and trustworthy on the internet casinos with high transformation rates is important. To attract prospective players, you may create content such as reviews, guides, or even comparisons on the web site or social networking stations. For instance, a person can create a list of top websites and gives users to play with a 5 dollar deposit casino or even other low-deposit websites. Live casino video games are completely diverse ball games in addition to work by using a residence edge. They assure profits to the on-line casino in the long run, although.

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Having a new” “casino with real retailers and live video clip streaming features will be fundamental for your own business. SoftGamings may offer any sport beyond this listing, guaranteed to become the great source associated with entertainment. While that is true of which it is possible to make money with online casinos, an individual should always view gambling mainly being a source of amusement. Bear in brain that all on line casino games have the built-in advantage which often will eventually trigger you to shed money. Therefore, that is best to be able to simply benefit from the casino game which you have chosen in addition to make the just about all of your time online. If you play skill-based games and possess a money administration strategy, you could have enjoyment and at typically the same time, make money.

  • Stick to game titles where your ability can give an individual an advantage on the casino – make use of our best strategy with regard to roulette guide in roulette such as.
  • Ok, so an individual decided to possibly look into creating your own platform or go for the package alternative where you get almost all of the time consuming elements served over a silver platter.
  • In the end, be aware that it will most likely take you mainly because many as two years to break even.
  • Now that I’ve covered most regarding the essential things about starting and working an online casino let’s take a quick look at the methods you need to take to open up it yourself.
  • Today, the best payment methods inside casinos are e-wallets and cryptocurrency.

There are shared benefits to delightful offers and continuous promotions that players come across frequently at online casinos. For example, the casino offering a no-deposit bonus will give a new gamer the opportunity to try the game free of charge without risk. For typically the casino, there’s a new chance that said player will determine to join plus play more games, this time with real money. Another important factor to think about when choosing an internet casino is the number of available video games. The more video games a website offers, typically the more appealing it is to customers, and a wide assortment of games often indicates high site visitors levels.

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The more gamers you might have and the more money they invest, the additional the casino will earn. That’s since although the games” “are based on luck, in the grand scheme regarding things, the online casino will always make more than it manages to lose. The gambling online business is rising, plus more and additional players are becoming a member of it, so there’s always space for a new businessperson to enter typically the fold. Do you play casino games on a daily basis for more than a few hours? If the answers to be able to these questions will be affirmative, then probably it’s time to stop to check out assist.

However, given that you get amused by playing a casino game, presently there are only 2 possible outcomes – to either succeed or lose. Therefore, the inevitable query whether or not necessarily it is possible to building income with on-line casinos arises. Another thing that comes to mind is usually whether some online casino games truly offer better odds.

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