--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/js/jquery/ui/menu.js Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,668 @@
+/*!
+ * jQuery UI Menu 1.12.1
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Menu
+//>>group: Widgets
+//>>description: Creates nestable menus.
+//>>docs: http://api.jqueryui.com/menu/
+//>>demos: http://jqueryui.com/menu/
+//>>css.structure: ../../themes/base/core.css
+//>>css.structure: ../../themes/base/menu.css
+//>>css.theme: ../../themes/base/theme.css
+
+( function( factory ) {
+ if ( typeof define === "function" && define.amd ) {
+
+ // AMD. Register as an anonymous module.
+ define( [
+ "jquery",
+ "./core"
+ ], factory );
+ } else {
+
+ // Browser globals
+ factory( jQuery );
+ }
+}( function( $ ) {
+
+return $.widget( "ui.menu", {
+ version: "1.12.1",
+ defaultElement: "<ul>",
+ delay: 300,
+ options: {
+ icons: {
+ submenu: "ui-icon-caret-1-e"
+ },
+ items: "> *",
+ menus: "ul",
+ position: {
+ my: "left top",
+ at: "right top"
+ },
+ role: "menu",
+
+ // Callbacks
+ blur: null,
+ focus: null,
+ select: null
+ },
+
+ _create: function() {
+ this.activeMenu = this.element;
+
+ // Flag used to prevent firing of the click handler
+ // as the event bubbles up through nested menus
+ this.mouseHandled = false;
+ this.element
+ .uniqueId()
+ .attr( {
+ role: this.options.role,
+ tabIndex: 0
+ } );
+
+ this._addClass( "ui-menu", "ui-widget ui-widget-content" );
+ this._on( {
+
+ // Prevent focus from sticking to links inside menu after clicking
+ // them (focus should always stay on UL during navigation).
+ "mousedown .ui-menu-item": function( event ) {
+ event.preventDefault();
+ },
+ "click .ui-menu-item": function( event ) {
+ var target = $( event.target );
+ var active = $( $.ui.safeActiveElement( this.document[ 0 ] ) );
+ if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
+ this.select( event );
+
+ // Only set the mouseHandled flag if the event will bubble, see #9469.
+ if ( !event.isPropagationStopped() ) {
+ this.mouseHandled = true;
+ }
+
+ // Open submenu on click
+ if ( target.has( ".ui-menu" ).length ) {
+ this.expand( event );
+ } else if ( !this.element.is( ":focus" ) &&
+ active.closest( ".ui-menu" ).length ) {
+
+ // Redirect focus to the menu
+ this.element.trigger( "focus", [ true ] );
+
+ // If the active item is on the top level, let it stay active.
+ // Otherwise, blur the active item since it is no longer visible.
+ if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
+ clearTimeout( this.timer );
+ }
+ }
+ }
+ },
+ "mouseenter .ui-menu-item": function( event ) {
+
+ // Ignore mouse events while typeahead is active, see #10458.
+ // Prevents focusing the wrong item when typeahead causes a scroll while the mouse
+ // is over an item in the menu
+ if ( this.previousFilter ) {
+ return;
+ }
+
+ var actualTarget = $( event.target ).closest( ".ui-menu-item" ),
+ target = $( event.currentTarget );
+
+ // Ignore bubbled events on parent items, see #11641
+ if ( actualTarget[ 0 ] !== target[ 0 ] ) {
+ return;
+ }
+
+ // Remove ui-state-active class from siblings of the newly focused menu item
+ // to avoid a jump caused by adjacent elements both having a class with a border
+ this._removeClass( target.siblings().children( ".ui-state-active" ),
+ null, "ui-state-active" );
+ this.focus( event, target );
+ },
+ mouseleave: "collapseAll",
+ "mouseleave .ui-menu": "collapseAll",
+ focus: function( event, keepActiveItem ) {
+
+ // If there's already an active item, keep it active
+ // If not, activate the first item
+ var item = this.active || this.element.find( this.options.items ).eq( 0 );
+
+ if ( !keepActiveItem ) {
+ this.focus( event, item );
+ }
+ },
+ blur: function( event ) {
+ this._delay( function() {
+ var notContained = !$.contains(
+ this.element[ 0 ],
+ $.ui.safeActiveElement( this.document[ 0 ] )
+ );
+ if ( notContained ) {
+ this.collapseAll( event );
+ }
+ } );
+ },
+ keydown: "_keydown"
+ } );
+
+ this.refresh();
+
+ // Clicks outside of a menu collapse any open menus
+ this._on( this.document, {
+ click: function( event ) {
+ if ( this._closeOnDocumentClick( event ) ) {
+ this.collapseAll( event );
+ }
+
+ // Reset the mouseHandled flag
+ this.mouseHandled = false;
+ }
+ } );
+ },
+
+ _destroy: function() {
+ var items = this.element.find( ".ui-menu-item" )
+ .removeAttr( "role aria-disabled" ),
+ submenus = items.children( ".ui-menu-item-wrapper" )
+ .removeUniqueId()
+ .removeAttr( "tabIndex role aria-haspopup" );
+
+ // Destroy (sub)menus
+ this.element
+ .removeAttr( "aria-activedescendant" )
+ .find( ".ui-menu" ).addBack()
+ .removeAttr( "role aria-labelledby aria-expanded aria-hidden aria-disabled " +
+ "tabIndex" )
+ .removeUniqueId()
+ .show();
+
+ submenus.children().each( function() {
+ var elem = $( this );
+ if ( elem.data( "ui-menu-submenu-caret" ) ) {
+ elem.remove();
+ }
+ } );
+ },
+
+ _keydown: function( event ) {
+ var match, prev, character, skip,
+ preventDefault = true;
+
+ switch ( event.keyCode ) {
+ case $.ui.keyCode.PAGE_UP:
+ this.previousPage( event );
+ break;
+ case $.ui.keyCode.PAGE_DOWN:
+ this.nextPage( event );
+ break;
+ case $.ui.keyCode.HOME:
+ this._move( "first", "first", event );
+ break;
+ case $.ui.keyCode.END:
+ this._move( "last", "last", event );
+ break;
+ case $.ui.keyCode.UP:
+ this.previous( event );
+ break;
+ case $.ui.keyCode.DOWN:
+ this.next( event );
+ break;
+ case $.ui.keyCode.LEFT:
+ this.collapse( event );
+ break;
+ case $.ui.keyCode.RIGHT:
+ if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
+ this.expand( event );
+ }
+ break;
+ case $.ui.keyCode.ENTER:
+ case $.ui.keyCode.SPACE:
+ this._activate( event );
+ break;
+ case $.ui.keyCode.ESCAPE:
+ this.collapse( event );
+ break;
+ default:
+ preventDefault = false;
+ prev = this.previousFilter || "";
+ skip = false;
+
+ // Support number pad values
+ character = event.keyCode >= 96 && event.keyCode <= 105 ?
+ ( event.keyCode - 96 ).toString() : String.fromCharCode( event.keyCode );
+
+ clearTimeout( this.filterTimer );
+
+ if ( character === prev ) {
+ skip = true;
+ } else {
+ character = prev + character;
+ }
+
+ match = this._filterMenuItems( character );
+ match = skip && match.index( this.active.next() ) !== -1 ?
+ this.active.nextAll( ".ui-menu-item" ) :
+ match;
+
+ // If no matches on the current filter, reset to the last character pressed
+ // to move down the menu to the first item that starts with that character
+ if ( !match.length ) {
+ character = String.fromCharCode( event.keyCode );
+ match = this._filterMenuItems( character );
+ }
+
+ if ( match.length ) {
+ this.focus( event, match );
+ this.previousFilter = character;
+ this.filterTimer = this._delay( function() {
+ delete this.previousFilter;
+ }, 1000 );
+ } else {
+ delete this.previousFilter;
+ }
+ }
+
+ if ( preventDefault ) {
+ event.preventDefault();
+ }
+ },
+
+ _activate: function( event ) {
+ if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
+ if ( this.active.children( "[aria-haspopup='true']" ).length ) {
+ this.expand( event );
+ } else {
+ this.select( event );
+ }
+ }
+ },
+
+ refresh: function() {
+ var menus, items, newSubmenus, newItems, newWrappers,
+ that = this,
+ icon = this.options.icons.submenu,
+ submenus = this.element.find( this.options.menus );
+
+ this._toggleClass( "ui-menu-icons", null, !!this.element.find( ".ui-icon" ).length );
+
+ // Initialize nested menus
+ newSubmenus = submenus.filter( ":not(.ui-menu)" )
+ .hide()
+ .attr( {
+ role: this.options.role,
+ "aria-hidden": "true",
+ "aria-expanded": "false"
+ } )
+ .each( function() {
+ var menu = $( this ),
+ item = menu.prev(),
+ submenuCaret = $( "<span>" ).data( "ui-menu-submenu-caret", true );
+
+ that._addClass( submenuCaret, "ui-menu-icon", "ui-icon " + icon );
+ item
+ .attr( "aria-haspopup", "true" )
+ .prepend( submenuCaret );
+ menu.attr( "aria-labelledby", item.attr( "id" ) );
+ } );
+
+ this._addClass( newSubmenus, "ui-menu", "ui-widget ui-widget-content ui-front" );
+
+ menus = submenus.add( this.element );
+ items = menus.find( this.options.items );
+
+ // Initialize menu-items containing spaces and/or dashes only as dividers
+ items.not( ".ui-menu-item" ).each( function() {
+ var item = $( this );
+ if ( that._isDivider( item ) ) {
+ that._addClass( item, "ui-menu-divider", "ui-widget-content" );
+ }
+ } );
+
+ // Don't refresh list items that are already adapted
+ newItems = items.not( ".ui-menu-item, .ui-menu-divider" );
+ newWrappers = newItems.children()
+ .not( ".ui-menu" )
+ .uniqueId()
+ .attr( {
+ tabIndex: -1,
+ role: this._itemRole()
+ } );
+ this._addClass( newItems, "ui-menu-item" )
+ ._addClass( newWrappers, "ui-menu-item-wrapper" );
+
+ // Add aria-disabled attribute to any disabled menu item
+ items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" );
+
+ // If the active item has been removed, blur the menu
+ if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
+ this.blur();
+ }
+ },
+
+ _itemRole: function() {
+ return {
+ menu: "menuitem",
+ listbox: "option"
+ }[ this.options.role ];
+ },
+
+ _setOption: function( key, value ) {
+ if ( key === "icons" ) {
+ var icons = this.element.find( ".ui-menu-icon" );
+ this._removeClass( icons, null, this.options.icons.submenu )
+ ._addClass( icons, null, value.submenu );
+ }
+ this._super( key, value );
+ },
+
+ _setOptionDisabled: function( value ) {
+ this._super( value );
+
+ this.element.attr( "aria-disabled", String( value ) );
+ this._toggleClass( null, "ui-state-disabled", !!value );
+ },
+
+ focus: function( event, item ) {
+ var nested, focused, activeParent;
+ this.blur( event, event && event.type === "focus" );
+
+ this._scrollIntoView( item );
+
+ this.active = item.first();
+
+ focused = this.active.children( ".ui-menu-item-wrapper" );
+ this._addClass( focused, null, "ui-state-active" );
+
+ // Only update aria-activedescendant if there's a role
+ // otherwise we assume focus is managed elsewhere
+ if ( this.options.role ) {
+ this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
+ }
+
+ // Highlight active parent menu item, if any
+ activeParent = this.active
+ .parent()
+ .closest( ".ui-menu-item" )
+ .children( ".ui-menu-item-wrapper" );
+ this._addClass( activeParent, null, "ui-state-active" );
+
+ if ( event && event.type === "keydown" ) {
+ this._close();
+ } else {
+ this.timer = this._delay( function() {
+ this._close();
+ }, this.delay );
+ }
+
+ nested = item.children( ".ui-menu" );
+ if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) {
+ this._startOpening( nested );
+ }
+ this.activeMenu = item.parent();
+
+ this._trigger( "focus", event, { item: item } );
+ },
+
+ _scrollIntoView: function( item ) {
+ var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
+ if ( this._hasScroll() ) {
+ borderTop = parseFloat( $.css( this.activeMenu[ 0 ], "borderTopWidth" ) ) || 0;
+ paddingTop = parseFloat( $.css( this.activeMenu[ 0 ], "paddingTop" ) ) || 0;
+ offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
+ scroll = this.activeMenu.scrollTop();
+ elementHeight = this.activeMenu.height();
+ itemHeight = item.outerHeight();
+
+ if ( offset < 0 ) {
+ this.activeMenu.scrollTop( scroll + offset );
+ } else if ( offset + itemHeight > elementHeight ) {
+ this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
+ }
+ }
+ },
+
+ blur: function( event, fromFocus ) {
+ if ( !fromFocus ) {
+ clearTimeout( this.timer );
+ }
+
+ if ( !this.active ) {
+ return;
+ }
+
+ this._removeClass( this.active.children( ".ui-menu-item-wrapper" ),
+ null, "ui-state-active" );
+
+ this._trigger( "blur", event, { item: this.active } );
+ this.active = null;
+ },
+
+ _startOpening: function( submenu ) {
+ clearTimeout( this.timer );
+
+ // Don't open if already open fixes a Firefox bug that caused a .5 pixel
+ // shift in the submenu position when mousing over the caret icon
+ if ( submenu.attr( "aria-hidden" ) !== "true" ) {
+ return;
+ }
+
+ this.timer = this._delay( function() {
+ this._close();
+ this._open( submenu );
+ }, this.delay );
+ },
+
+ _open: function( submenu ) {
+ var position = $.extend( {
+ of: this.active
+ }, this.options.position );
+
+ clearTimeout( this.timer );
+ this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
+ .hide()
+ .attr( "aria-hidden", "true" );
+
+ submenu
+ .show()
+ .removeAttr( "aria-hidden" )
+ .attr( "aria-expanded", "true" )
+ .position( position );
+ },
+
+ collapseAll: function( event, all ) {
+ clearTimeout( this.timer );
+ this.timer = this._delay( function() {
+
+ // If we were passed an event, look for the submenu that contains the event
+ var currentMenu = all ? this.element :
+ $( event && event.target ).closest( this.element.find( ".ui-menu" ) );
+
+ // If we found no valid submenu ancestor, use the main menu to close all
+ // sub menus anyway
+ if ( !currentMenu.length ) {
+ currentMenu = this.element;
+ }
+
+ this._close( currentMenu );
+
+ this.blur( event );
+
+ // Work around active item staying active after menu is blurred
+ this._removeClass( currentMenu.find( ".ui-state-active" ), null, "ui-state-active" );
+
+ this.activeMenu = currentMenu;
+ }, this.delay );
+ },
+
+ // With no arguments, closes the currently active menu - if nothing is active
+ // it closes all menus. If passed an argument, it will search for menus BELOW
+ _close: function( startMenu ) {
+ if ( !startMenu ) {
+ startMenu = this.active ? this.active.parent() : this.element;
+ }
+
+ startMenu.find( ".ui-menu" )
+ .hide()
+ .attr( "aria-hidden", "true" )
+ .attr( "aria-expanded", "false" );
+ },
+
+ _closeOnDocumentClick: function( event ) {
+ return !$( event.target ).closest( ".ui-menu" ).length;
+ },
+
+ _isDivider: function( item ) {
+
+ // Match hyphen, em dash, en dash
+ return !/[^\-\u2014\u2013\s]/.test( item.text() );
+ },
+
+ collapse: function( event ) {
+ var newItem = this.active &&
+ this.active.parent().closest( ".ui-menu-item", this.element );
+ if ( newItem && newItem.length ) {
+ this._close();
+ this.focus( event, newItem );
+ }
+ },
+
+ expand: function( event ) {
+ var newItem = this.active &&
+ this.active
+ .children( ".ui-menu " )
+ .find( this.options.items )
+ .first();
+
+ if ( newItem && newItem.length ) {
+ this._open( newItem.parent() );
+
+ // Delay so Firefox will not hide activedescendant change in expanding submenu from AT
+ this._delay( function() {
+ this.focus( event, newItem );
+ } );
+ }
+ },
+
+ next: function( event ) {
+ this._move( "next", "first", event );
+ },
+
+ previous: function( event ) {
+ this._move( "prev", "last", event );
+ },
+
+ isFirstItem: function() {
+ return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
+ },
+
+ isLastItem: function() {
+ return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
+ },
+
+ _move: function( direction, filter, event ) {
+ var next;
+ if ( this.active ) {
+ if ( direction === "first" || direction === "last" ) {
+ next = this.active
+ [ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
+ .eq( -1 );
+ } else {
+ next = this.active
+ [ direction + "All" ]( ".ui-menu-item" )
+ .eq( 0 );
+ }
+ }
+ if ( !next || !next.length || !this.active ) {
+ next = this.activeMenu.find( this.options.items )[ filter ]();
+ }
+
+ this.focus( event, next );
+ },
+
+ nextPage: function( event ) {
+ var item, base, height;
+
+ if ( !this.active ) {
+ this.next( event );
+ return;
+ }
+ if ( this.isLastItem() ) {
+ return;
+ }
+ if ( this._hasScroll() ) {
+ base = this.active.offset().top;
+ height = this.element.height();
+ this.active.nextAll( ".ui-menu-item" ).each( function() {
+ item = $( this );
+ return item.offset().top - base - height < 0;
+ } );
+
+ this.focus( event, item );
+ } else {
+ this.focus( event, this.activeMenu.find( this.options.items )
+ [ !this.active ? "first" : "last" ]() );
+ }
+ },
+
+ previousPage: function( event ) {
+ var item, base, height;
+ if ( !this.active ) {
+ this.next( event );
+ return;
+ }
+ if ( this.isFirstItem() ) {
+ return;
+ }
+ if ( this._hasScroll() ) {
+ base = this.active.offset().top;
+ height = this.element.height();
+ this.active.prevAll( ".ui-menu-item" ).each( function() {
+ item = $( this );
+ return item.offset().top - base + height > 0;
+ } );
+
+ this.focus( event, item );
+ } else {
+ this.focus( event, this.activeMenu.find( this.options.items ).first() );
+ }
+ },
+
+ _hasScroll: function() {
+ return this.element.outerHeight() < this.element.prop( "scrollHeight" );
+ },
+
+ select: function( event ) {
+
+ // TODO: It should never be possible to not have an active item at this
+ // point, but the tests don't trigger mouseenter before click.
+ this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
+ var ui = { item: this.active };
+ if ( !this.active.has( ".ui-menu" ).length ) {
+ this.collapseAll( event, true );
+ }
+ this._trigger( "select", event, ui );
+ },
+
+ _filterMenuItems: function( character ) {
+ var escapedCharacter = character.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ),
+ regex = new RegExp( "^" + escapedCharacter, "i" );
+
+ return this.activeMenu
+ .find( this.options.items )
+
+ // Only match on items, not dividers or other content (#10571)
+ .filter( ".ui-menu-item" )
+ .filter( function() {
+ return regex.test(
+ $.trim( $( this ).children( ".ui-menu-item-wrapper" ).text() ) );
+ } );
+ }
+} );
+
+} ) );