balmet.com

common.js (53929B)

---

 /**
  * @output wp-admin/js/common.js
  */
 
 /* global setUserSetting, ajaxurl, alert, confirm, pagenow */
 /* global columns, screenMeta */
 
 /**
  *  Adds common WordPress functionality to the window.
  *
  *  @param {jQuery} $        jQuery object.
  *  @param {Object} window   The window object.
  *  @param {mixed} undefined Unused.
  */
 ( function( $, window, undefined ) {
 	var $document = $( document ),
 		$window = $( window ),
 		$body = $( document.body ),
 		__ = wp.i18n.__,
 		sprintf = wp.i18n.sprintf;
 
 /**
  * Throws an error for a deprecated property.
  *
  * @since 5.5.1
  *
  * @param {string} propName    The property that was used.
  * @param {string} version     The version of WordPress that deprecated the property.
  * @param {string} replacement The property that should have been used.
  */
 function deprecatedProperty( propName, version, replacement ) {
 	var message;
 
 	if ( 'undefined' !== typeof replacement ) {
 		message = sprintf(
 			/* translators: 1: Deprecated property name, 2: Version number, 3: Alternative property name. */
 			__( '%1$s is deprecated since version %2$s! Use %3$s instead.' ),
 			propName,
 			version,
 			replacement
 		);
 	} else {
 		message = sprintf(
 			/* translators: 1: Deprecated property name, 2: Version number. */
 			__( '%1$s is deprecated since version %2$s with no alternative available.' ),
 			propName,
 			version
 		);
 	}
 
 	window.console.warn( message );
 }
 
 /**
  * Deprecate all properties on an object.
  *
  * @since 5.5.1
  * @since 5.6.0 Added the `version` parameter.
  *
  * @param {string} name       The name of the object, i.e. commonL10n.
  * @param {object} l10nObject The object to deprecate the properties on.
  * @param {string} version    The version of WordPress that deprecated the property.
  *
  * @return {object} The object with all its properties deprecated.
  */
 function deprecateL10nObject( name, l10nObject, version ) {
 	var deprecatedObject = {};
 
 	Object.keys( l10nObject ).forEach( function( key ) {
 		var prop = l10nObject[ key ];
 		var propName = name + '.' + key;
 
 		if ( 'object' === typeof prop ) {
 			Object.defineProperty( deprecatedObject, key, { get: function() {
 				deprecatedProperty( propName, version, prop.alternative );
 				return prop.func();
 			} } );
 		} else {
 			Object.defineProperty( deprecatedObject, key, { get: function() {
 				deprecatedProperty( propName, version, 'wp.i18n' );
 				return prop;
 			} } );
 		}
 	} );
 
 	return deprecatedObject;
 }
 
 window.wp.deprecateL10nObject = deprecateL10nObject;
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.6.0
  * @deprecated 5.5.0
  */
 window.commonL10n = window.commonL10n || {
 	warnDelete: '',
 	dismiss: '',
 	collapseMenu: '',
 	expandMenu: ''
 };
 
 window.commonL10n = deprecateL10nObject( 'commonL10n', window.commonL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 3.3.0
  * @deprecated 5.5.0
  */
 window.wpPointerL10n = window.wpPointerL10n || {
 	dismiss: ''
 };
 
 window.wpPointerL10n = deprecateL10nObject( 'wpPointerL10n', window.wpPointerL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 4.3.0
  * @deprecated 5.5.0
  */
 window.userProfileL10n = window.userProfileL10n || {
 	warn: '',
 	warnWeak: '',
 	show: '',
 	hide: '',
 	cancel: '',
 	ariaShow: '',
 	ariaHide: ''
 };
 
 window.userProfileL10n = deprecateL10nObject( 'userProfileL10n', window.userProfileL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 4.9.6
  * @deprecated 5.5.0
  */
 window.privacyToolsL10n = window.privacyToolsL10n || {
 	noDataFound: '',
 	foundAndRemoved: '',
 	noneRemoved: '',
 	someNotRemoved: '',
 	removalError: '',
 	emailSent: '',
 	noExportFile: '',
 	exportError: ''
 };
 
 window.privacyToolsL10n = deprecateL10nObject( 'privacyToolsL10n', window.privacyToolsL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 3.6.0
  * @deprecated 5.5.0
  */
 window.authcheckL10n = {
 	beforeunload: ''
 };
 
 window.authcheckL10n = window.authcheckL10n || deprecateL10nObject( 'authcheckL10n', window.authcheckL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.8.0
  * @deprecated 5.5.0
  */
 window.tagsl10n = {
 	noPerm: '',
 	broken: ''
 };
 
 window.tagsl10n = window.tagsl10n || deprecateL10nObject( 'tagsl10n', window.tagsl10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.5.0
  * @deprecated 5.5.0
  */
 window.adminCommentsL10n = window.adminCommentsL10n || {
 	hotkeys_highlight_first: {
 		alternative: 'window.adminCommentsSettings.hotkeys_highlight_first',
 		func: function() { return window.adminCommentsSettings.hotkeys_highlight_first; }
 	},
 	hotkeys_highlight_last: {
 		alternative: 'window.adminCommentsSettings.hotkeys_highlight_last',
 		func: function() { return window.adminCommentsSettings.hotkeys_highlight_last; }
 	},
 	replyApprove: '',
 	reply: '',
 	warnQuickEdit: '',
 	warnCommentChanges: '',
 	docTitleComments: '',
 	docTitleCommentsCount: ''
 };
 
 window.adminCommentsL10n = deprecateL10nObject( 'adminCommentsL10n', window.adminCommentsL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.5.0
  * @deprecated 5.5.0
  */
 window.tagsSuggestL10n = window.tagsSuggestL10n || {
 	tagDelimiter: '',
 	removeTerm: '',
 	termSelected: '',
 	termAdded: '',
 	termRemoved: ''
 };
 
 window.tagsSuggestL10n = deprecateL10nObject( 'tagsSuggestL10n', window.tagsSuggestL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 3.5.0
  * @deprecated 5.5.0
  */
 window.wpColorPickerL10n = window.wpColorPickerL10n || {
 	clear: '',
 	clearAriaLabel: '',
 	defaultString: '',
 	defaultAriaLabel: '',
 	pick: '',
 	defaultLabel: ''
 };
 
 window.wpColorPickerL10n = deprecateL10nObject( 'wpColorPickerL10n', window.wpColorPickerL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.7.0
  * @deprecated 5.5.0
  */
 window.attachMediaBoxL10n = window.attachMediaBoxL10n || {
 	error: ''
 };
 
 window.attachMediaBoxL10n = deprecateL10nObject( 'attachMediaBoxL10n', window.attachMediaBoxL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.5.0
  * @deprecated 5.5.0
  */
 window.postL10n = window.postL10n || {
 	ok: '',
 	cancel: '',
 	publishOn: '',
 	publishOnFuture: '',
 	publishOnPast: '',
 	dateFormat: '',
 	showcomm: '',
 	endcomm: '',
 	publish: '',
 	schedule: '',
 	update: '',
 	savePending: '',
 	saveDraft: '',
 	'private': '',
 	'public': '',
 	publicSticky: '',
 	password: '',
 	privatelyPublished: '',
 	published: '',
 	saveAlert: '',
 	savingText: '',
 	permalinkSaved: ''
 };
 
 window.postL10n = deprecateL10nObject( 'postL10n', window.postL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.7.0
  * @deprecated 5.5.0
  */
 window.inlineEditL10n = window.inlineEditL10n || {
 	error: '',
 	ntdeltitle: '',
 	notitle: '',
 	comma: '',
 	saved: ''
 };
 
 window.inlineEditL10n = deprecateL10nObject( 'inlineEditL10n', window.inlineEditL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.7.0
  * @deprecated 5.5.0
  */
 window.plugininstallL10n = window.plugininstallL10n || {
 	plugin_information: '',
 	plugin_modal_label: '',
 	ays: ''
 };
 
 window.plugininstallL10n = deprecateL10nObject( 'plugininstallL10n', window.plugininstallL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 3.0.0
  * @deprecated 5.5.0
  */
 window.navMenuL10n = window.navMenuL10n || {
 	noResultsFound: '',
 	warnDeleteMenu: '',
 	saveAlert: '',
 	untitled: ''
 };
 
 window.navMenuL10n = deprecateL10nObject( 'navMenuL10n', window.navMenuL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.5.0
  * @deprecated 5.5.0
  */
 window.commentL10n = window.commentL10n || {
 	submittedOn: '',
 	dateFormat: ''
 };
 
 window.commentL10n = deprecateL10nObject( 'commentL10n', window.commentL10n, '5.5.0' );
 
 /**
  * Removed in 5.5.0, needed for back-compatibility.
  *
  * @since 2.9.0
  * @deprecated 5.5.0
  */
 window.setPostThumbnailL10n = window.setPostThumbnailL10n || {
 	setThumbnail: '',
 	saving: '',
 	error: '',
 	done: ''
 };
 
 window.setPostThumbnailL10n = deprecateL10nObject( 'setPostThumbnailL10n', window.setPostThumbnailL10n, '5.5.0' );
 
 /**
  * Removed in 3.3.0, needed for back-compatibility.
  *
  * @since 2.7.0
  * @deprecated 3.3.0
  */
 window.adminMenu = {
 	init : function() {},
 	fold : function() {},
 	restoreMenuState : function() {},
 	toggle : function() {},
 	favorites : function() {}
 };
 
 // Show/hide/save table columns.
 window.columns = {
 
 	/**
 	 * Initializes the column toggles in the screen options.
 	 *
 	 * Binds an onClick event to the checkboxes to show or hide the table columns
 	 * based on their toggled state. And persists the toggled state.
 	 *
 	 * @since 2.7.0
 	 *
 	 * @return {void}
 	 */
 	init : function() {
 		var that = this;
 		$('.hide-column-tog', '#adv-settings').on( 'click', function() {
 			var $t = $(this), column = $t.val();
 			if ( $t.prop('checked') )
 				that.checked(column);
 			else
 				that.unchecked(column);
 
 			columns.saveManageColumnsState();
 		});
 	},
 
 	/**
 	 * Saves the toggled state for the columns.
 	 *
 	 * Saves whether the columns should be shown or hidden on a page.
 	 *
 	 * @since 3.0.0
 	 *
 	 * @return {void}
 	 */
 	saveManageColumnsState : function() {
 		var hidden = this.hidden();
 		$.post(ajaxurl, {
 			action: 'hidden-columns',
 			hidden: hidden,
 			screenoptionnonce: $('#screenoptionnonce').val(),
 			page: pagenow
 		});
 	},
 
 	/**
 	 * Makes a column visible and adjusts the column span for the table.
 	 *
 	 * @since 3.0.0
 	 * @param {string} column The column name.
 	 *
 	 * @return {void}
 	 */
 	checked : function(column) {
 		$('.column-' + column).removeClass( 'hidden' );
 		this.colSpanChange(+1);
 	},
 
 	/**
 	 * Hides a column and adjusts the column span for the table.
 	 *
 	 * @since 3.0.0
 	 * @param {string} column The column name.
 	 *
 	 * @return {void}
 	 */
 	unchecked : function(column) {
 		$('.column-' + column).addClass( 'hidden' );
 		this.colSpanChange(-1);
 	},
 
 	/**
 	 * Gets all hidden columns.
 	 *
 	 * @since 3.0.0
 	 *
 	 * @return {string} The hidden column names separated by a comma.
 	 */
 	hidden : function() {
 		return $( '.manage-column[id]' ).filter( '.hidden' ).map(function() {
 			return this.id;
 		}).get().join( ',' );
 	},
 
 	/**
 	 * Gets the checked column toggles from the screen options.
 	 *
 	 * @since 3.0.0
 	 *
 	 * @return {string} String containing the checked column names.
 	 */
 	useCheckboxesForHidden : function() {
 		this.hidden = function(){
 			return $('.hide-column-tog').not(':checked').map(function() {
 				var id = this.id;
 				return id.substring( id, id.length - 5 );
 			}).get().join(',');
 		};
 	},
 
 	/**
 	 * Adjusts the column span for the table.
 	 *
 	 * @since 3.1.0
 	 *
 	 * @param {number} diff The modifier for the column span.
 	 */
 	colSpanChange : function(diff) {
 		var $t = $('table').find('.colspanchange'), n;
 		if ( !$t.length )
 			return;
 		n = parseInt( $t.attr('colspan'), 10 ) + diff;
 		$t.attr('colspan', n.toString());
 	}
 };
 
 $( function() { columns.init(); } );
 
 /**
  * Validates that the required form fields are not empty.
  *
  * @since 2.9.0
  *
  * @param {jQuery} form The form to validate.
  *
  * @return {boolean} Returns true if all required fields are not an empty string.
  */
 window.validateForm = function( form ) {
 	return !$( form )
 		.find( '.form-required' )
 		.filter( function() { return $( ':input:visible', this ).val() === ''; } )
 		.addClass( 'form-invalid' )
 		.find( ':input:visible' )
 		.on( 'change', function() { $( this ).closest( '.form-invalid' ).removeClass( 'form-invalid' ); } )
 		.length;
 };
 
 // Stub for doing better warnings.
 /**
  * Shows message pop-up notice or confirmation message.
  *
  * @since 2.7.0
  *
  * @type {{warn: showNotice.warn, note: showNotice.note}}
  *
  * @return {void}
  */
 window.showNotice = {
 
 	/**
 	 * Shows a delete confirmation pop-up message.
 	 *
 	 * @since 2.7.0
 	 *
 	 * @return {boolean} Returns true if the message is confirmed.
 	 */
 	warn : function() {
 		if ( confirm( __( 'You are about to permanently delete these items from your site.\nThis action cannot be undone.\n\'Cancel\' to stop, \'OK\' to delete.' ) ) ) {
 			return true;
 		}
 
 		return false;
 	},
 
 	/**
 	 * Shows an alert message.
 	 *
 	 * @since 2.7.0
 	 *
 	 * @param text The text to display in the message.
 	 */
 	note : function(text) {
 		alert(text);
 	}
 };
 
 /**
  * Represents the functions for the meta screen options panel.
  *
  * @since 3.2.0
  *
  * @type {{element: null, toggles: null, page: null, init: screenMeta.init,
  *         toggleEvent: screenMeta.toggleEvent, open: screenMeta.open,
  *         close: screenMeta.close}}
  *
  * @return {void}
  */
 window.screenMeta = {
 	element: null, // #screen-meta
 	toggles: null, // .screen-meta-toggle
 	page:    null, // #wpcontent
 
 	/**
 	 * Initializes the screen meta options panel.
 	 *
 	 * @since 3.2.0
 	 *
 	 * @return {void}
 	 */
 	init: function() {
 		this.element = $('#screen-meta');
 		this.toggles = $( '#screen-meta-links' ).find( '.show-settings' );
 		this.page    = $('#wpcontent');
 
 		this.toggles.on( 'click', this.toggleEvent );
 	},
 
 	/**
 	 * Toggles the screen meta options panel.
 	 *
 	 * @since 3.2.0
 	 *
 	 * @return {void}
 	 */
 	toggleEvent: function() {
 		var panel = $( '#' + $( this ).attr( 'aria-controls' ) );
 
 		if ( !panel.length )
 			return;
 
 		if ( panel.is(':visible') )
 			screenMeta.close( panel, $(this) );
 		else
 			screenMeta.open( panel, $(this) );
 	},
 
 	/**
 	 * Opens the screen meta options panel.
 	 *
 	 * @since 3.2.0
 	 *
 	 * @param {jQuery} panel  The screen meta options panel div.
 	 * @param {jQuery} button The toggle button.
 	 *
 	 * @return {void}
 	 */
 	open: function( panel, button ) {
 
 		$( '#screen-meta-links' ).find( '.screen-meta-toggle' ).not( button.parent() ).css( 'visibility', 'hidden' );
 
 		panel.parent().show();
 
 		/**
 		 * Sets the focus to the meta options panel and adds the necessary CSS classes.
 		 *
 		 * @since 3.2.0
 		 *
 		 * @return {void}
 		 */
 		panel.slideDown( 'fast', function() {
 			panel.trigger( 'focus' );
 			button.addClass( 'screen-meta-active' ).attr( 'aria-expanded', true );
 		});
 
 		$document.trigger( 'screen:options:open' );
 	},
 
 	/**
 	 * Closes the screen meta options panel.
 	 *
 	 * @since 3.2.0
 	 *
 	 * @param {jQuery} panel  The screen meta options panel div.
 	 * @param {jQuery} button The toggle button.
 	 *
 	 * @return {void}
 	 */
 	close: function( panel, button ) {
 		/**
 		 * Hides the screen meta options panel.
 		 *
 		 * @since 3.2.0
 		 *
 		 * @return {void}
 		 */
 		panel.slideUp( 'fast', function() {
 			button.removeClass( 'screen-meta-active' ).attr( 'aria-expanded', false );
 			$('.screen-meta-toggle').css('visibility', '');
 			panel.parent().hide();
 		});
 
 		$document.trigger( 'screen:options:close' );
 	}
 };
 
 /**
  * Initializes the help tabs in the help panel.
  *
  * @param {Event} e The event object.
  *
  * @return {void}
  */
 $('.contextual-help-tabs').on( 'click', 'a', function(e) {
 	var link = $(this),
 		panel;
 
 	e.preventDefault();
 
 	// Don't do anything if the click is for the tab already showing.
 	if ( link.is('.active a') )
 		return false;
 
 	// Links.
 	$('.contextual-help-tabs .active').removeClass('active');
 	link.parent('li').addClass('active');
 
 	panel = $( link.attr('href') );
 
 	// Panels.
 	$('.help-tab-content').not( panel ).removeClass('active').hide();
 	panel.addClass('active').show();
 });
 
 /**
  * Update custom permalink structure via buttons.
  */
 var permalinkStructureFocused = false,
     $permalinkStructure       = $( '#permalink_structure' ),
     $permalinkStructureInputs = $( '.permalink-structure input:radio' ),
     $permalinkCustomSelection = $( '#custom_selection' ),
     $availableStructureTags   = $( '.form-table.permalink-structure .available-structure-tags button' );
 
 // Change permalink structure input when selecting one of the common structures.
 $permalinkStructureInputs.on( 'change', function() {
 	if ( 'custom' === this.value ) {
 		return;
 	}
 
 	$permalinkStructure.val( this.value );
 
 	// Update button states after selection.
 	$availableStructureTags.each( function() {
 		changeStructureTagButtonState( $( this ) );
 	} );
 } );
 
 $permalinkStructure.on( 'click input', function() {
 	$permalinkCustomSelection.prop( 'checked', true );
 } );
 
 // Check if the permalink structure input field has had focus at least once.
 $permalinkStructure.on( 'focus', function( event ) {
 	permalinkStructureFocused = true;
 	$( this ).off( event );
 } );
 
 /**
  * Enables or disables a structure tag button depending on its usage.
  *
  * If the structure is already used in the custom permalink structure,
  * it will be disabled.
  *
  * @param {Object} button Button jQuery object.
  */
 function changeStructureTagButtonState( button ) {
 	if ( -1 !== $permalinkStructure.val().indexOf( button.text().trim() ) ) {
 		button.attr( 'data-label', button.attr( 'aria-label' ) );
 		button.attr( 'aria-label', button.attr( 'data-used' ) );
 		button.attr( 'aria-pressed', true );
 		button.addClass( 'active' );
 	} else if ( button.attr( 'data-label' ) ) {
 		button.attr( 'aria-label', button.attr( 'data-label' ) );
 		button.attr( 'aria-pressed', false );
 		button.removeClass( 'active' );
 	}
 }
 
 // Check initial button state.
 $availableStructureTags.each( function() {
 	changeStructureTagButtonState( $( this ) );
 } );
 
 // Observe permalink structure field and disable buttons of tags that are already present.
 $permalinkStructure.on( 'change', function() {
 	$availableStructureTags.each( function() {
 		changeStructureTagButtonState( $( this ) );
 	} );
 } );
 
 $availableStructureTags.on( 'click', function() {
 	var permalinkStructureValue = $permalinkStructure.val(),
 	    selectionStart          = $permalinkStructure[ 0 ].selectionStart,
 	    selectionEnd            = $permalinkStructure[ 0 ].selectionEnd,
 	    textToAppend            = $( this ).text().trim(),
 	    textToAnnounce          = $( this ).attr( 'data-added' ),
 	    newSelectionStart;
 
 	// Remove structure tag if already part of the structure.
 	if ( -1 !== permalinkStructureValue.indexOf( textToAppend ) ) {
 		permalinkStructureValue = permalinkStructureValue.replace( textToAppend + '/', '' );
 
 		$permalinkStructure.val( '/' === permalinkStructureValue ? '' : permalinkStructureValue );
 
 		// Announce change to screen readers.
 		$( '#custom_selection_updated' ).text( textToAnnounce );
 
 		// Disable button.
 		changeStructureTagButtonState( $( this ) );
 
 		return;
 	}
 
 	// Input field never had focus, move selection to end of input.
 	if ( ! permalinkStructureFocused && 0 === selectionStart && 0 === selectionEnd ) {
 		selectionStart = selectionEnd = permalinkStructureValue.length;
 	}
 
 	$permalinkCustomSelection.prop( 'checked', true );
 
 	// Prepend and append slashes if necessary.
 	if ( '/' !== permalinkStructureValue.substr( 0, selectionStart ).substr( -1 ) ) {
 		textToAppend = '/' + textToAppend;
 	}
 
 	if ( '/' !== permalinkStructureValue.substr( selectionEnd, 1 ) ) {
 		textToAppend = textToAppend + '/';
 	}
 
 	// Insert structure tag at the specified position.
 	$permalinkStructure.val( permalinkStructureValue.substr( 0, selectionStart ) + textToAppend + permalinkStructureValue.substr( selectionEnd ) );
 
 	// Announce change to screen readers.
 	$( '#custom_selection_updated' ).text( textToAnnounce );
 
 	// Disable button.
 	changeStructureTagButtonState( $( this ) );
 
 	// If input had focus give it back with cursor right after appended text.
 	if ( permalinkStructureFocused && $permalinkStructure[0].setSelectionRange ) {
 		newSelectionStart = ( permalinkStructureValue.substr( 0, selectionStart ) + textToAppend ).length;
 		$permalinkStructure[0].setSelectionRange( newSelectionStart, newSelectionStart );
 		$permalinkStructure.trigger( 'focus' );
 	}
 } );
 
 $( function() {
 	var checks, first, last, checked, sliced, mobileEvent, transitionTimeout, focusedRowActions,
 		lastClicked = false,
 		pageInput = $('input.current-page'),
 		currentPage = pageInput.val(),
 		isIOS = /iPhone|iPad|iPod/.test( navigator.userAgent ),
 		isAndroid = navigator.userAgent.indexOf( 'Android' ) !== -1,
 		$adminMenuWrap = $( '#adminmenuwrap' ),
 		$wpwrap = $( '#wpwrap' ),
 		$adminmenu = $( '#adminmenu' ),
 		$overlay = $( '#wp-responsive-overlay' ),
 		$toolbar = $( '#wp-toolbar' ),
 		$toolbarPopups = $toolbar.find( 'a[aria-haspopup="true"]' ),
 		$sortables = $('.meta-box-sortables'),
 		wpResponsiveActive = false,
 		$adminbar = $( '#wpadminbar' ),
 		lastScrollPosition = 0,
 		pinnedMenuTop = false,
 		pinnedMenuBottom = false,
 		menuTop = 0,
 		menuState,
 		menuIsPinned = false,
 		height = {
 			window: $window.height(),
 			wpwrap: $wpwrap.height(),
 			adminbar: $adminbar.height(),
 			menu: $adminMenuWrap.height()
 		},
 		$headerEnd = $( '.wp-header-end' );
 
 	/**
 	 * Makes the fly-out submenu header clickable, when the menu is folded.
 	 *
 	 * @param {Event} e The event object.
 	 *
 	 * @return {void}
 	 */
 	$adminmenu.on('click.wp-submenu-head', '.wp-submenu-head', function(e){
 		$(e.target).parent().siblings('a').get(0).click();
 	});
 
 	/**
 	 * Collapses the admin menu.
 	 *
 	 * @return {void}
 	 */
 	$( '#collapse-button' ).on( 'click.collapse-menu', function() {
 		var viewportWidth = getViewportWidth() || 961;
 
 		// Reset any compensation for submenus near the bottom of the screen.
 		$('#adminmenu div.wp-submenu').css('margin-top', '');
 
 		if ( viewportWidth < 960 ) {
 			if ( $body.hasClass('auto-fold') ) {
 				$body.removeClass('auto-fold').removeClass('folded');
 				setUserSetting('unfold', 1);
 				setUserSetting('mfold', 'o');
 				menuState = 'open';
 			} else {
 				$body.addClass('auto-fold');
 				setUserSetting('unfold', 0);
 				menuState = 'folded';
 			}
 		} else {
 			if ( $body.hasClass('folded') ) {
 				$body.removeClass('folded');
 				setUserSetting('mfold', 'o');
 				menuState = 'open';
 			} else {
 				$body.addClass('folded');
 				setUserSetting('mfold', 'f');
 				menuState = 'folded';
 			}
 		}
 
 		$document.trigger( 'wp-collapse-menu', { state: menuState } );
 	});
 
 	/**
 	 * Handles the `aria-haspopup` attribute on the current menu item when it has a submenu.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @return {void}
 	 */
 	function currentMenuItemHasPopup() {
 		var $current = $( 'a.wp-has-current-submenu' );
 
 		if ( 'folded' === menuState ) {
 			// When folded or auto-folded and not responsive view, the current menu item does have a fly-out sub-menu.
 			$current.attr( 'aria-haspopup', 'true' );
 		} else {
 			// When expanded or in responsive view, reset aria-haspopup.
 			$current.attr( 'aria-haspopup', 'false' );
 		}
 	}
 
 	$document.on( 'wp-menu-state-set wp-collapse-menu wp-responsive-activate wp-responsive-deactivate', currentMenuItemHasPopup );
 
 	/**
 	 * Ensures an admin submenu is within the visual viewport.
 	 *
 	 * @since 4.1.0
 	 *
 	 * @param {jQuery} $menuItem The parent menu item containing the submenu.
 	 *
 	 * @return {void}
 	 */
 	function adjustSubmenu( $menuItem ) {
 		var bottomOffset, pageHeight, adjustment, theFold, menutop, wintop, maxtop,
 			$submenu = $menuItem.find( '.wp-submenu' );
 
 		menutop = $menuItem.offset().top;
 		wintop = $window.scrollTop();
 		maxtop = menutop - wintop - 30; // max = make the top of the sub almost touch admin bar.
 
 		bottomOffset = menutop + $submenu.height() + 1; // Bottom offset of the menu.
 		pageHeight = $wpwrap.height();                  // Height of the entire page.
 		adjustment = 60 + bottomOffset - pageHeight;
 		theFold = $window.height() + wintop - 50;       // The fold.
 
 		if ( theFold < ( bottomOffset - adjustment ) ) {
 			adjustment = bottomOffset - theFold;
 		}
 
 		if ( adjustment > maxtop ) {
 			adjustment = maxtop;
 		}
 
 		if ( adjustment > 1 ) {
 			$submenu.css( 'margin-top', '-' + adjustment + 'px' );
 		} else {
 			$submenu.css( 'margin-top', '' );
 		}
 	}
 
 	if ( 'ontouchstart' in window || /IEMobile\/[1-9]/.test(navigator.userAgent) ) { // Touch screen device.
 		// iOS Safari works with touchstart, the rest work with click.
 		mobileEvent = isIOS ? 'touchstart' : 'click';
 
 		/**
 		 * Closes any open submenus when touch/click is not on the menu.
 		 *
 		 * @param {Event} e The event object.
 		 *
 		 * @return {void}
 		 */
 		$body.on( mobileEvent+'.wp-mobile-hover', function(e) {
 			if ( $adminmenu.data('wp-responsive') ) {
 				return;
 			}
 
 			if ( ! $( e.target ).closest( '#adminmenu' ).length ) {
 				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
 			}
 		});
 
 		/**
 		 * Handles the opening or closing the submenu based on the mobile click|touch event.
 		 *
 		 * @param {Event} event The event object.
 		 *
 		 * @return {void}
 		 */
 		$adminmenu.find( 'a.wp-has-submenu' ).on( mobileEvent + '.wp-mobile-hover', function( event ) {
 			var $menuItem = $(this).parent();
 
 			if ( $adminmenu.data( 'wp-responsive' ) ) {
 				return;
 			}
 
 			/*
 			 * Show the sub instead of following the link if:
 			 * 	- the submenu is not open.
 			 * 	- the submenu is not shown inline or the menu is not folded.
 			 */
 			if ( ! $menuItem.hasClass( 'opensub' ) && ( ! $menuItem.hasClass( 'wp-menu-open' ) || $menuItem.width() < 40 ) ) {
 				event.preventDefault();
 				adjustSubmenu( $menuItem );
 				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
 				$menuItem.addClass('opensub');
 			}
 		});
 	}
 
 	if ( ! isIOS && ! isAndroid ) {
 		$adminmenu.find( 'li.wp-has-submenu' ).hoverIntent({
 
 			/**
 			 * Opens the submenu when hovered over the menu item for desktops.
 			 *
 			 * @return {void}
 			 */
 			over: function() {
 				var $menuItem = $( this ),
 					$submenu = $menuItem.find( '.wp-submenu' ),
 					top = parseInt( $submenu.css( 'top' ), 10 );
 
 				if ( isNaN( top ) || top > -5 ) { // The submenu is visible.
 					return;
 				}
 
 				if ( $adminmenu.data( 'wp-responsive' ) ) {
 					// The menu is in responsive mode, bail.
 					return;
 				}
 
 				adjustSubmenu( $menuItem );
 				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
 				$menuItem.addClass( 'opensub' );
 			},
 
 			/**
 			 * Closes the submenu when no longer hovering the menu item.
 			 *
 			 * @return {void}
 			 */
 			out: function(){
 				if ( $adminmenu.data( 'wp-responsive' ) ) {
 					// The menu is in responsive mode, bail.
 					return;
 				}
 
 				$( this ).removeClass( 'opensub' ).find( '.wp-submenu' ).css( 'margin-top', '' );
 			},
 			timeout: 200,
 			sensitivity: 7,
 			interval: 90
 		});
 
 		/**
 		 * Opens the submenu on when focused on the menu item.
 		 *
 		 * @param {Event} event The event object.
 		 *
 		 * @return {void}
 		 */
 		$adminmenu.on( 'focus.adminmenu', '.wp-submenu a', function( event ) {
 			if ( $adminmenu.data( 'wp-responsive' ) ) {
 				// The menu is in responsive mode, bail.
 				return;
 			}
 
 			$( event.target ).closest( 'li.menu-top' ).addClass( 'opensub' );
 
 			/**
 			 * Closes the submenu on blur from the menu item.
 			 *
 			 * @param {Event} event The event object.
 			 *
 			 * @return {void}
 			 */
 		}).on( 'blur.adminmenu', '.wp-submenu a', function( event ) {
 			if ( $adminmenu.data( 'wp-responsive' ) ) {
 				return;
 			}
 
 			$( event.target ).closest( 'li.menu-top' ).removeClass( 'opensub' );
 
 			/**
 			 * Adjusts the size for the submenu.
 			 *
 			 * @return {void}
 			 */
 		}).find( 'li.wp-has-submenu.wp-not-current-submenu' ).on( 'focusin.adminmenu', function() {
 			adjustSubmenu( $( this ) );
 		});
 	}
 
 	/*
 	 * The `.below-h2` class is here just for backward compatibility with plugins
 	 * that are (incorrectly) using it. Do not use. Use `.inline` instead. See #34570.
 	 * If '.wp-header-end' is found, append the notices after it otherwise
 	 * after the first h1 or h2 heading found within the main content.
 	 */
 	if ( ! $headerEnd.length ) {
 		$headerEnd = $( '.wrap h1, .wrap h2' ).first();
 	}
 	$( 'div.updated, div.error, div.notice' ).not( '.inline, .below-h2' ).insertAfter( $headerEnd );
 
 	/**
 	 * Makes notices dismissible.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @return {void}
 	 */
 	function makeNoticesDismissible() {
 		$( '.notice.is-dismissible' ).each( function() {
 			var $el = $( this ),
 				$button = $( '<button type="button" class="notice-dismiss"><span class="screen-reader-text"></span></button>' );
 
 			if ( $el.find( '.notice-dismiss' ).length ) {
 				return;
 			}
 
 			// Ensure plain text.
 			$button.find( '.screen-reader-text' ).text( __( 'Dismiss this notice.' ) );
 			$button.on( 'click.wp-dismiss-notice', function( event ) {
 				event.preventDefault();
 				$el.fadeTo( 100, 0, function() {
 					$el.slideUp( 100, function() {
 						$el.remove();
 					});
 				});
 			});
 
 			$el.append( $button );
 		});
 	}
 
 	$document.on( 'wp-updates-notice-added wp-plugin-install-error wp-plugin-update-error wp-plugin-delete-error wp-theme-install-error wp-theme-delete-error', makeNoticesDismissible );
 
 	// Init screen meta.
 	screenMeta.init();
 
 	/**
 	 * Checks a checkbox.
 	 *
 	 * This event needs to be delegated. Ticket #37973.
 	 *
 	 * @return {boolean} Returns whether a checkbox is checked or not.
 	 */
 	$body.on( 'click', 'tbody > tr > .check-column :checkbox', function( event ) {
 		// Shift click to select a range of checkboxes.
 		if ( 'undefined' == event.shiftKey ) { return true; }
 		if ( event.shiftKey ) {
 			if ( !lastClicked ) { return true; }
 			checks = $( lastClicked ).closest( 'form' ).find( ':checkbox' ).filter( ':visible:enabled' );
 			first = checks.index( lastClicked );
 			last = checks.index( this );
 			checked = $(this).prop('checked');
 			if ( 0 < first && 0 < last && first != last ) {
 				sliced = ( last > first ) ? checks.slice( first, last ) : checks.slice( last, first );
 				sliced.prop( 'checked', function() {
 					if ( $(this).closest('tr').is(':visible') )
 						return checked;
 
 					return false;
 				});
 			}
 		}
 		lastClicked = this;
 
 		// Toggle the "Select all" checkboxes depending if the other ones are all checked or not.
 		var unchecked = $(this).closest('tbody').find(':checkbox').filter(':visible:enabled').not(':checked');
 
 		/**
 		 * Determines if all checkboxes are checked.
 		 *
 		 * @return {boolean} Returns true if there are no unchecked checkboxes.
 		 */
 		$(this).closest('table').children('thead, tfoot').find(':checkbox').prop('checked', function() {
 			return ( 0 === unchecked.length );
 		});
 
 		return true;
 	});
 
 	/**
 	 * Controls all the toggles on bulk toggle change.
 	 *
 	 * When the bulk checkbox is changed, all the checkboxes in the tables are changed accordingly.
 	 * When the shift-button is pressed while changing the bulk checkbox the checkboxes in the table are inverted.
 	 *
 	 * This event needs to be delegated. Ticket #37973.
 	 *
 	 * @param {Event} event The event object.
 	 *
 	 * @return {boolean}
 	 */
 	$body.on( 'click.wp-toggle-checkboxes', 'thead .check-column :checkbox, tfoot .check-column :checkbox', function( event ) {
 		var $this = $(this),
 			$table = $this.closest( 'table' ),
 			controlChecked = $this.prop('checked'),
 			toggle = event.shiftKey || $this.data('wp-toggle');
 
 		$table.children( 'tbody' ).filter(':visible')
 			.children().children('.check-column').find(':checkbox')
 			/**
 			 * Updates the checked state on the checkbox in the table.
 			 *
 			 * @return {boolean} True checks the checkbox, False unchecks the checkbox.
 			 */
 			.prop('checked', function() {
 				if ( $(this).is(':hidden,:disabled') ) {
 					return false;
 				}
 
 				if ( toggle ) {
 					return ! $(this).prop( 'checked' );
 				} else if ( controlChecked ) {
 					return true;
 				}
 
 				return false;
 			});
 
 		$table.children('thead,  tfoot').filter(':visible')
 			.children().children('.check-column').find(':checkbox')
 
 			/**
 			 * Syncs the bulk checkboxes on the top and bottom of the table.
 			 *
 			 * @return {boolean} True checks the checkbox, False unchecks the checkbox.
 			 */
 			.prop('checked', function() {
 				if ( toggle ) {
 					return false;
 				} else if ( controlChecked ) {
 					return true;
 				}
 
 				return false;
 			});
 	});
 
 	/**
 	 * Marries a secondary control to its primary control.
 	 *
 	 * @param {jQuery} topSelector    The top selector element.
 	 * @param {jQuery} topSubmit      The top submit element.
 	 * @param {jQuery} bottomSelector The bottom selector element.
 	 * @param {jQuery} bottomSubmit   The bottom submit element.
 	 * @return {void}
 	 */
 	function marryControls( topSelector, topSubmit, bottomSelector, bottomSubmit ) {
 		/**
 		 * Updates the primary selector when the secondary selector is changed.
 		 *
 		 * @since 5.7.0
 		 *
 		 * @return {void}
 		 */
 		function updateTopSelector() {
 			topSelector.val($(this).val());
 		}
 		bottomSelector.on('change', updateTopSelector);
 
 		/**
 		 * Updates the secondary selector when the primary selector is changed.
 		 *
 		 * @since 5.7.0
 		 *
 		 * @return {void}
 		 */
 		function updateBottomSelector() {
 			bottomSelector.val($(this).val());
 		}
 		topSelector.on('change', updateBottomSelector);
 
 		/**
 		 * Triggers the primary submit when then secondary submit is clicked.
 		 *
 		 * @since 5.7.0
 		 *
 		 * @return {void}
 		 */
 		function triggerSubmitClick(e) {
 			e.preventDefault();
 			e.stopPropagation();
 
 			topSubmit.trigger('click');
 		}
 		bottomSubmit.on('click', triggerSubmitClick);
 	}
 
 	// Marry the secondary "Bulk actions" controls to the primary controls:
 	marryControls( $('#bulk-action-selector-top'), $('#doaction'), $('#bulk-action-selector-bottom'), $('#doaction2') );
 
 	// Marry the secondary "Change role to" controls to the primary controls:
 	marryControls( $('#new_role'), $('#changeit'), $('#new_role2'), $('#changeit2') );
 
 	/**
 	 * Shows row actions on focus of its parent container element or any other elements contained within.
 	 *
 	 * @return {void}
 	 */
 	$( '#wpbody-content' ).on({
 		focusin: function() {
 			clearTimeout( transitionTimeout );
 			focusedRowActions = $( this ).find( '.row-actions' );
 			// transitionTimeout is necessary for Firefox, but Chrome won't remove the CSS class without a little help.
 			$( '.row-actions' ).not( this ).removeClass( 'visible' );
 			focusedRowActions.addClass( 'visible' );
 		},
 		focusout: function() {
 			// Tabbing between post title and .row-actions links needs a brief pause, otherwise
 			// the .row-actions div gets hidden in transit in some browsers (ahem, Firefox).
 			transitionTimeout = setTimeout( function() {
 				focusedRowActions.removeClass( 'visible' );
 			}, 30 );
 		}
 	}, '.table-view-list .has-row-actions' );
 
 	// Toggle list table rows on small screens.
 	$( 'tbody' ).on( 'click', '.toggle-row', function() {
 		$( this ).closest( 'tr' ).toggleClass( 'is-expanded' );
 	});
 
 	$('#default-password-nag-no').on( 'click', function() {
 		setUserSetting('default_password_nag', 'hide');
 		$('div.default-password-nag').hide();
 		return false;
 	});
 
 	/**
 	 * Handles tab keypresses in theme and plugin editor textareas.
 	 *
 	 * @param {Event} e The event object.
 	 *
 	 * @return {void}
 	 */
 	$('#newcontent').on('keydown.wpevent_InsertTab', function(e) {
 		var el = e.target, selStart, selEnd, val, scroll, sel;
 
 		// After pressing escape key (keyCode: 27), the tab key should tab out of the textarea.
 		if ( e.keyCode == 27 ) {
 			// When pressing Escape: Opera 12 and 27 blur form fields, IE 8 clears them.
 			e.preventDefault();
 			$(el).data('tab-out', true);
 			return;
 		}
 
 		// Only listen for plain tab key (keyCode: 9) without any modifiers.
 		if ( e.keyCode != 9 || e.ctrlKey || e.altKey || e.shiftKey )
 			return;
 
 		// After tabbing out, reset it so next time the tab key can be used again.
 		if ( $(el).data('tab-out') ) {
 			$(el).data('tab-out', false);
 			return;
 		}
 
 		selStart = el.selectionStart;
 		selEnd = el.selectionEnd;
 		val = el.value;
 
 		// If any text is selected, replace the selection with a tab character.
 		if ( document.selection ) {
 			el.focus();
 			sel = document.selection.createRange();
 			sel.text = '\t';
 		} else if ( selStart >= 0 ) {
 			scroll = this.scrollTop;
 			el.value = val.substring(0, selStart).concat('\t', val.substring(selEnd) );
 			el.selectionStart = el.selectionEnd = selStart + 1;
 			this.scrollTop = scroll;
 		}
 
 		// Cancel the regular tab functionality, to prevent losing focus of the textarea.
 		if ( e.stopPropagation )
 			e.stopPropagation();
 		if ( e.preventDefault )
 			e.preventDefault();
 	});
 
 	// Reset page number variable for new filters/searches but not for bulk actions. See #17685.
 	if ( pageInput.length ) {
 
 		/**
 		 * Handles pagination variable when filtering the list table.
 		 *
 		 * Set the pagination argument to the first page when the post-filter form is submitted.
 		 * This happens when pressing the 'filter' button on the list table page.
 		 *
 		 * The pagination argument should not be touched when the bulk action dropdowns are set to do anything.
 		 *
 		 * The form closest to the pageInput is the post-filter form.
 		 *
 		 * @return {void}
 		 */
 		pageInput.closest('form').on( 'submit', function() {
 			/*
 			 * action = bulk action dropdown at the top of the table
 			 */
 			if ( $('select[name="action"]').val() == -1 && pageInput.val() == currentPage )
 				pageInput.val('1');
 		});
 	}
 
 	/**
 	 * Resets the bulk actions when the search button is clicked.
 	 *
 	 * @return {void}
 	 */
 	$('.search-box input[type="search"], .search-box input[type="submit"]').on( 'mousedown', function () {
 		$('select[name^="action"]').val('-1');
 	});
 
 	/**
 	 * Scrolls into view when focus.scroll-into-view is triggered.
 	 *
 	 * @param {Event} e The event object.
 	 *
 	 * @return {void}
  	 */
 	$('#contextual-help-link, #show-settings-link').on( 'focus.scroll-into-view', function(e){
 		if ( e.target.scrollIntoView )
 			e.target.scrollIntoView(false);
 	});
 
 	/**
 	 * Disables the submit upload buttons when no data is entered.
 	 *
 	 * @return {void}
 	 */
 	(function(){
 		var button, input, form = $('form.wp-upload-form');
 
 		// Exit when no upload form is found.
 		if ( ! form.length )
 			return;
 
 		button = form.find('input[type="submit"]');
 		input = form.find('input[type="file"]');
 
 		/**
 		 * Determines if any data is entered in any file upload input.
 		 *
 		 * @since 3.5.0
 		 *
 		 * @return {void}
 		 */
 		function toggleUploadButton() {
 			// When no inputs have a value, disable the upload buttons.
 			button.prop('disabled', '' === input.map( function() {
 				return $(this).val();
 			}).get().join(''));
 		}
 
 		// Update the status initially.
 		toggleUploadButton();
 		// Update the status when any file input changes.
 		input.on('change', toggleUploadButton);
 	})();
 
 	/**
 	 * Pins the menu while distraction-free writing is enabled.
 	 *
 	 * @param {Event} event Event data.
 	 *
 	 * @since 4.1.0
 	 *
 	 * @return {void}
 	 */
 	function pinMenu( event ) {
 		var windowPos = $window.scrollTop(),
 			resizing = ! event || event.type !== 'scroll';
 
 		if ( isIOS || $adminmenu.data( 'wp-responsive' ) ) {
 			return;
 		}
 
 		/*
 		 * When the menu is higher than the window and smaller than the entire page.
 		 * It should be adjusted to be able to see the entire menu.
 		 *
 		 * Otherwise it can be accessed normally.
 		 */
 		if ( height.menu + height.adminbar < height.window ||
 			height.menu + height.adminbar + 20 > height.wpwrap ) {
 			unpinMenu();
 			return;
 		}
 
 		menuIsPinned = true;
 
 		// If the menu is higher than the window, compensate on scroll.
 		if ( height.menu + height.adminbar > height.window ) {
 			// Check for overscrolling, this happens when swiping up at the top of the document in modern browsers.
 			if ( windowPos < 0 ) {
 				// Stick the menu to the top.
 				if ( ! pinnedMenuTop ) {
 					pinnedMenuTop = true;
 					pinnedMenuBottom = false;
 
 					$adminMenuWrap.css({
 						position: 'fixed',
 						top: '',
 						bottom: ''
 					});
 				}
 
 				return;
 			} else if ( windowPos + height.window > $document.height() - 1 ) {
 				// When overscrolling at the bottom, stick the menu to the bottom.
 				if ( ! pinnedMenuBottom ) {
 					pinnedMenuBottom = true;
 					pinnedMenuTop = false;
 
 					$adminMenuWrap.css({
 						position: 'fixed',
 						top: '',
 						bottom: 0
 					});
 				}
 
 				return;
 			}
 
 			if ( windowPos > lastScrollPosition ) {
 				// When a down scroll has been detected.
 
 				// If it was pinned to the top, unpin and calculate relative scroll.
 				if ( pinnedMenuTop ) {
 					pinnedMenuTop = false;
 					// Calculate new offset position.
 					menuTop = $adminMenuWrap.offset().top - height.adminbar - ( windowPos - lastScrollPosition );
 
 					if ( menuTop + height.menu + height.adminbar < windowPos + height.window ) {
 						menuTop = windowPos + height.window - height.menu - height.adminbar;
 					}
 
 					$adminMenuWrap.css({
 						position: 'absolute',
 						top: menuTop,
 						bottom: ''
 					});
 				} else if ( ! pinnedMenuBottom && $adminMenuWrap.offset().top + height.menu < windowPos + height.window ) {
 					// Pin it to the bottom.
 					pinnedMenuBottom = true;
 
 					$adminMenuWrap.css({
 						position: 'fixed',
 						top: '',
 						bottom: 0
 					});
 				}
 			} else if ( windowPos < lastScrollPosition ) {
 				// When a scroll up is detected.
 
 				// If it was pinned to the bottom, unpin and calculate relative scroll.
 				if ( pinnedMenuBottom ) {
 					pinnedMenuBottom = false;
 
 					// Calculate new offset position.
 					menuTop = $adminMenuWrap.offset().top - height.adminbar + ( lastScrollPosition - windowPos );
 
 					if ( menuTop + height.menu > windowPos + height.window ) {
 						menuTop = windowPos;
 					}
 
 					$adminMenuWrap.css({
 						position: 'absolute',
 						top: menuTop,
 						bottom: ''
 					});
 				} else if ( ! pinnedMenuTop && $adminMenuWrap.offset().top >= windowPos + height.adminbar ) {
 
 					// Pin it to the top.
 					pinnedMenuTop = true;
 
 					$adminMenuWrap.css({
 						position: 'fixed',
 						top: '',
 						bottom: ''
 					});
 				}
 			} else if ( resizing ) {
 				// Window is being resized.
 
 				pinnedMenuTop = pinnedMenuBottom = false;
 
 				// Calculate the new offset.
 				menuTop = windowPos + height.window - height.menu - height.adminbar - 1;
 
 				if ( menuTop > 0 ) {
 					$adminMenuWrap.css({
 						position: 'absolute',
 						top: menuTop,
 						bottom: ''
 					});
 				} else {
 					unpinMenu();
 				}
 			}
 		}
 
 		lastScrollPosition = windowPos;
 	}
 
 	/**
 	 * Determines the height of certain elements.
 	 *
 	 * @since 4.1.0
 	 *
 	 * @return {void}
 	 */
 	function resetHeights() {
 		height = {
 			window: $window.height(),
 			wpwrap: $wpwrap.height(),
 			adminbar: $adminbar.height(),
 			menu: $adminMenuWrap.height()
 		};
 	}
 
 	/**
 	 * Unpins the menu.
 	 *
 	 * @since 4.1.0
 	 *
 	 * @return {void}
 	 */
 	function unpinMenu() {
 		if ( isIOS || ! menuIsPinned ) {
 			return;
 		}
 
 		pinnedMenuTop = pinnedMenuBottom = menuIsPinned = false;
 		$adminMenuWrap.css({
 			position: '',
 			top: '',
 			bottom: ''
 		});
 	}
 
 	/**
 	 * Pins and unpins the menu when applicable.
 	 *
 	 * @since 4.1.0
 	 *
 	 * @return {void}
 	 */
 	function setPinMenu() {
 		resetHeights();
 
 		if ( $adminmenu.data('wp-responsive') ) {
 			$body.removeClass( 'sticky-menu' );
 			unpinMenu();
 		} else if ( height.menu + height.adminbar > height.window ) {
 			pinMenu();
 			$body.removeClass( 'sticky-menu' );
 		} else {
 			$body.addClass( 'sticky-menu' );
 			unpinMenu();
 		}
 	}
 
 	if ( ! isIOS ) {
 		$window.on( 'scroll.pin-menu', pinMenu );
 		$document.on( 'tinymce-editor-init.pin-menu', function( event, editor ) {
 			editor.on( 'wp-autoresize', resetHeights );
 		});
 	}
 
 	/**
 	 * Changes the sortables and responsiveness of metaboxes.
 	 *
 	 * @since 3.8.0
 	 *
 	 * @return {void}
 	 */
 	window.wpResponsive = {
 
 		/**
 		 * Initializes the wpResponsive object.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		init: function() {
 			var self = this;
 
 			this.maybeDisableSortables = this.maybeDisableSortables.bind( this );
 
 			// Modify functionality based on custom activate/deactivate event.
 			$document.on( 'wp-responsive-activate.wp-responsive', function() {
 				self.activate();
 			}).on( 'wp-responsive-deactivate.wp-responsive', function() {
 				self.deactivate();
 			});
 
 			$( '#wp-admin-bar-menu-toggle a' ).attr( 'aria-expanded', 'false' );
 
 			// Toggle sidebar when toggle is clicked.
 			$( '#wp-admin-bar-menu-toggle' ).on( 'click.wp-responsive', function( event ) {
 				event.preventDefault();
 
 				// Close any open toolbar submenus.
 				$adminbar.find( '.hover' ).removeClass( 'hover' );
 
 				$wpwrap.toggleClass( 'wp-responsive-open' );
 				if ( $wpwrap.hasClass( 'wp-responsive-open' ) ) {
 					$(this).find('a').attr( 'aria-expanded', 'true' );
 					$( '#adminmenu a:first' ).trigger( 'focus' );
 				} else {
 					$(this).find('a').attr( 'aria-expanded', 'false' );
 				}
 			} );
 
 			// Add menu events.
 			$adminmenu.on( 'click.wp-responsive', 'li.wp-has-submenu > a', function( event ) {
 				if ( ! $adminmenu.data('wp-responsive') ) {
 					return;
 				}
 
 				$( this ).parent( 'li' ).toggleClass( 'selected' );
 				event.preventDefault();
 			});
 
 			self.trigger();
 			$document.on( 'wp-window-resized.wp-responsive', this.trigger.bind( this ) );
 
 			// This needs to run later as UI Sortable may be initialized later on $(document).ready().
 			$window.on( 'load.wp-responsive', this.maybeDisableSortables );
 			$document.on( 'postbox-toggled', this.maybeDisableSortables );
 
 			// When the screen columns are changed, potentially disable sortables.
 			$( '#screen-options-wrap input' ).on( 'click', this.maybeDisableSortables );
 		},
 
 		/**
 		 * Disable sortables if there is only one metabox, or the screen is in one column mode. Otherwise, enable sortables.
 		 *
 		 * @since 5.3.0
 		 *
 		 * @return {void}
 		 */
 		maybeDisableSortables: function() {
 			var width = navigator.userAgent.indexOf('AppleWebKit/') > -1 ? $window.width() : window.innerWidth;
 
 			if (
 				( width <= 782 ) ||
 				( 1 >= $sortables.find( '.ui-sortable-handle:visible' ).length && jQuery( '.columns-prefs-1 input' ).prop( 'checked' ) )
 			) {
 				this.disableSortables();
 			} else {
 				this.enableSortables();
 			}
 		},
 
 		/**
 		 * Changes properties of body and admin menu.
 		 *
 		 * Pins and unpins the menu and adds the auto-fold class to the body.
 		 * Makes the admin menu responsive and disables the metabox sortables.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		activate: function() {
 			setPinMenu();
 
 			if ( ! $body.hasClass( 'auto-fold' ) ) {
 				$body.addClass( 'auto-fold' );
 			}
 
 			$adminmenu.data( 'wp-responsive', 1 );
 			this.disableSortables();
 		},
 
 		/**
 		 * Changes properties of admin menu and enables metabox sortables.
 		 *
 		 * Pin and unpin the menu.
 		 * Removes the responsiveness of the admin menu and enables the metabox sortables.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		deactivate: function() {
 			setPinMenu();
 			$adminmenu.removeData('wp-responsive');
 
 			this.maybeDisableSortables();
 		},
 
 		/**
 		 * Sets the responsiveness and enables the overlay based on the viewport width.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		trigger: function() {
 			var viewportWidth = getViewportWidth();
 
 			// Exclude IE < 9, it doesn't support @media CSS rules.
 			if ( ! viewportWidth ) {
 				return;
 			}
 
 			if ( viewportWidth <= 782 ) {
 				if ( ! wpResponsiveActive ) {
 					$document.trigger( 'wp-responsive-activate' );
 					wpResponsiveActive = true;
 				}
 			} else {
 				if ( wpResponsiveActive ) {
 					$document.trigger( 'wp-responsive-deactivate' );
 					wpResponsiveActive = false;
 				}
 			}
 
 			if ( viewportWidth <= 480 ) {
 				this.enableOverlay();
 			} else {
 				this.disableOverlay();
 			}
 
 			this.maybeDisableSortables();
 		},
 
 		/**
 		 * Inserts a responsive overlay and toggles the window.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		enableOverlay: function() {
 			if ( $overlay.length === 0 ) {
 				$overlay = $( '<div id="wp-responsive-overlay"></div>' )
 					.insertAfter( '#wpcontent' )
 					.hide()
 					.on( 'click.wp-responsive', function() {
 						$toolbar.find( '.menupop.hover' ).removeClass( 'hover' );
 						$( this ).hide();
 					});
 			}
 
 			$toolbarPopups.on( 'click.wp-responsive', function() {
 				$overlay.show();
 			});
 		},
 
 		/**
 		 * Disables the responsive overlay and removes the overlay.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		disableOverlay: function() {
 			$toolbarPopups.off( 'click.wp-responsive' );
 			$overlay.hide();
 		},
 
 		/**
 		 * Disables sortables.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		disableSortables: function() {
 			if ( $sortables.length ) {
 				try {
 					$sortables.sortable( 'disable' );
 					$sortables.find( '.ui-sortable-handle' ).addClass( 'is-non-sortable' );
 				} catch ( e ) {}
 			}
 		},
 
 		/**
 		 * Enables sortables.
 		 *
 		 * @since 3.8.0
 		 *
 		 * @return {void}
 		 */
 		enableSortables: function() {
 			if ( $sortables.length ) {
 				try {
 					$sortables.sortable( 'enable' );
 					$sortables.find( '.ui-sortable-handle' ).removeClass( 'is-non-sortable' );
 				} catch ( e ) {}
 			}
 		}
 	};
 
 	/**
 	 * Add an ARIA role `button` to elements that behave like UI controls when JavaScript is on.
 	 *
 	 * @since 4.5.0
 	 *
 	 * @return {void}
 	 */
 	function aria_button_if_js() {
 		$( '.aria-button-if-js' ).attr( 'role', 'button' );
 	}
 
 	$( document ).on( 'ajaxComplete', function() {
 		aria_button_if_js();
 	});
 
 	/**
 	 * Get the viewport width.
 	 *
 	 * @since 4.7.0
 	 *
 	 * @return {number|boolean} The current viewport width or false if the
 	 *                          browser doesn't support innerWidth (IE < 9).
 	 */
 	function getViewportWidth() {
 		var viewportWidth = false;
 
 		if ( window.innerWidth ) {
 			// On phones, window.innerWidth is affected by zooming.
 			viewportWidth = Math.max( window.innerWidth, document.documentElement.clientWidth );
 		}
 
 		return viewportWidth;
 	}
 
 	/**
 	 * Sets the admin menu collapsed/expanded state.
 	 *
 	 * Sets the global variable `menuState` and triggers a custom event passing
 	 * the current menu state.
 	 *
 	 * @since 4.7.0
 	 *
 	 * @return {void}
 	 */
 	function setMenuState() {
 		var viewportWidth = getViewportWidth() || 961;
 
 		if ( viewportWidth <= 782  ) {
 			menuState = 'responsive';
 		} else if ( $body.hasClass( 'folded' ) || ( $body.hasClass( 'auto-fold' ) && viewportWidth <= 960 && viewportWidth > 782 ) ) {
 			menuState = 'folded';
 		} else {
 			menuState = 'open';
 		}
 
 		$document.trigger( 'wp-menu-state-set', { state: menuState } );
 	}
 
 	// Set the menu state when the window gets resized.
 	$document.on( 'wp-window-resized.set-menu-state', setMenuState );
 
 	/**
 	 * Sets ARIA attributes on the collapse/expand menu button.
 	 *
 	 * When the admin menu is open or folded, updates the `aria-expanded` and
 	 * `aria-label` attributes of the button to give feedback to assistive
 	 * technologies. In the responsive view, the button is always hidden.
 	 *
 	 * @since 4.7.0
 	 *
 	 * @return {void}
 	 */
 	$document.on( 'wp-menu-state-set wp-collapse-menu', function( event, eventData ) {
 		var $collapseButton = $( '#collapse-button' ),
 			ariaExpanded, ariaLabelText;
 
 		if ( 'folded' === eventData.state ) {
 			ariaExpanded = 'false';
 			ariaLabelText = __( 'Expand Main menu' );
 		} else {
 			ariaExpanded = 'true';
 			ariaLabelText = __( 'Collapse Main menu' );
 		}
 
 		$collapseButton.attr({
 			'aria-expanded': ariaExpanded,
 			'aria-label': ariaLabelText
 		});
 	});
 
 	window.wpResponsive.init();
 	setPinMenu();
 	setMenuState();
 	currentMenuItemHasPopup();
 	makeNoticesDismissible();
 	aria_button_if_js();
 
 	$document.on( 'wp-pin-menu wp-window-resized.pin-menu postboxes-columnchange.pin-menu postbox-toggled.pin-menu wp-collapse-menu.pin-menu wp-scroll-start.pin-menu', setPinMenu );
 
 	// Set initial focus on a specific element.
 	$( '.wp-initial-focus' ).trigger( 'focus' );
 
 	// Toggle update details on update-core.php.
 	$body.on( 'click', '.js-update-details-toggle', function() {
 		var $updateNotice = $( this ).closest( '.js-update-details' ),
 			$progressDiv = $( '#' + $updateNotice.data( 'update-details' ) );
 
 		/*
 		 * When clicking on "Show details" move the progress div below the update
 		 * notice. Make sure it gets moved just the first time.
 		 */
 		if ( ! $progressDiv.hasClass( 'update-details-moved' ) ) {
 			$progressDiv.insertAfter( $updateNotice ).addClass( 'update-details-moved' );
 		}
 
 		// Toggle the progress div visibility.
 		$progressDiv.toggle();
 		// Toggle the Show Details button expanded state.
 		$( this ).attr( 'aria-expanded', $progressDiv.is( ':visible' ) );
 	});
 });
 
 /**
  * Hides the update button for expired plugin or theme uploads.
  *
  * On the "Update plugin/theme from uploaded zip" screen, once the upload has expired,
  * hides the "Replace current with uploaded" button and displays a warning.
  *
  * @since 5.5.0
  */
 $( function( $ ) {
 	var $overwrite, $warning;
 
 	if ( ! $body.hasClass( 'update-php' ) ) {
 		return;
 	}
 
 	$overwrite = $( 'a.update-from-upload-overwrite' );
 	$warning   = $( '.update-from-upload-expired' );
 
 	if ( ! $overwrite.length || ! $warning.length ) {
 		return;
 	}
 
 	window.setTimeout(
 		function() {
 			$overwrite.hide();
 			$warning.removeClass( 'hidden' );
 
 			if ( window.wp && window.wp.a11y ) {
 				window.wp.a11y.speak( $warning.text() );
 			}
 		},
 		7140000 // 119 minutes. The uploaded file is deleted after 2 hours.
 	);
 } );
 
 // Fire a custom jQuery event at the end of window resize.
 ( function() {
 	var timeout;
 
 	/**
 	 * Triggers the WP window-resize event.
 	 *
 	 * @since 3.8.0
 	 *
 	 * @return {void}
 	 */
 	function triggerEvent() {
 		$document.trigger( 'wp-window-resized' );
 	}
 
 	/**
 	 * Fires the trigger event again after 200 ms.
 	 *
 	 * @since 3.8.0
 	 *
 	 * @return {void}
 	 */
 	function fireOnce() {
 		window.clearTimeout( timeout );
 		timeout = window.setTimeout( triggerEvent, 200 );
 	}
 
 	$window.on( 'resize.wp-fire-once', fireOnce );
 }());
 
 // Make Windows 8 devices play along nicely.
 (function(){
 	if ( '-ms-user-select' in document.documentElement.style && navigator.userAgent.match(/IEMobile\/10\.0/) ) {
 		var msViewportStyle = document.createElement( 'style' );
 		msViewportStyle.appendChild(
 			document.createTextNode( '@-ms-viewport{width:auto!important}' )
 		);
 		document.getElementsByTagName( 'head' )[0].appendChild( msViewportStyle );
 	}
 })();
 
 }( jQuery, window ));