714 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			714 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
/*!
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 * jQuery UI Menu 1.13.2
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 * http://jqueryui.com
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 *
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 * Copyright jQuery Foundation and other contributors
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 * Released under the MIT license.
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 * http://jquery.org/license
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 */
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//>>label: Menu
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//>>group: Widgets
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//>>description: Creates nestable menus.
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//>>docs: http://api.jqueryui.com/menu/
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//>>demos: http://jqueryui.com/menu/
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//>>css.structure: ../../themes/base/core.css
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//>>css.structure: ../../themes/base/menu.css
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//>>css.theme: ../../themes/base/theme.css
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( function( factory ) {
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    "use strict";
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    if ( typeof define === "function" && define.amd ) {
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        // AMD. Register as an anonymous module.
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        define( [
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            "jquery",
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            "../keycode",
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            "../position",
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            "../safe-active-element",
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            "../unique-id",
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            "../version",
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            "../widget"
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        ], factory );
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    } else {
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        // Browser globals
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        factory( jQuery );
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    }
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} )( function( $ ) {
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    "use strict";
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    return $.widget( "ui.menu", {
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        version: "1.13.2",
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        defaultElement: "<ul>",
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        delay: 300,
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        options: {
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            icons: {
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                submenu: "ui-icon-caret-1-e"
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            },
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            items: "> *",
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            menus: "ul",
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            position: {
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                my: "left top",
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                at: "right top"
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            },
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            role: "menu",
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            // Callbacks
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            blur: null,
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            focus: null,
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            select: null
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        },
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        _create: function() {
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            this.activeMenu = this.element;
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            // Flag used to prevent firing of the click handler
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            // as the event bubbles up through nested menus
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            this.mouseHandled = false;
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            this.lastMousePosition = { x: null, y: null };
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            this.element
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                .uniqueId()
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                .attr( {
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                    role: this.options.role,
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                    tabIndex: 0
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                } );
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            this._addClass( "ui-menu", "ui-widget ui-widget-content" );
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            this._on( {
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                // Prevent focus from sticking to links inside menu after clicking
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                // them (focus should always stay on UL during navigation).
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                "mousedown .ui-menu-item": function( event ) {
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                    event.preventDefault();
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                    this._activateItem( event );
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                },
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                "click .ui-menu-item": function( event ) {
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                    var target = $( event.target );
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                    var active = $( $.ui.safeActiveElement( this.document[ 0 ] ) );
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                    if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
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                        this.select( event );
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                        // Only set the mouseHandled flag if the event will bubble, see #9469.
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                        if ( !event.isPropagationStopped() ) {
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                            this.mouseHandled = true;
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                        }
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                        // Open submenu on click
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                        if ( target.has( ".ui-menu" ).length ) {
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                            this.expand( event );
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                        } else if ( !this.element.is( ":focus" ) &&
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                            active.closest( ".ui-menu" ).length ) {
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                            // Redirect focus to the menu
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                            this.element.trigger( "focus", [ true ] );
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                            // If the active item is on the top level, let it stay active.
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                            // Otherwise, blur the active item since it is no longer visible.
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                            if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
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                                clearTimeout( this.timer );
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                            }
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                        }
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                    }
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                },
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                "mouseenter .ui-menu-item": "_activateItem",
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                "mousemove .ui-menu-item": "_activateItem",
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                mouseleave: "collapseAll",
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                "mouseleave .ui-menu": "collapseAll",
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                focus: function( event, keepActiveItem ) {
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                    // If there's already an active item, keep it active
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                    // If not, activate the first item
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                    var item = this.active || this._menuItems().first();
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                    if ( !keepActiveItem ) {
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                        this.focus( event, item );
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                    }
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                },
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                blur: function( event ) {
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                    this._delay( function() {
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                        var notContained = !$.contains(
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                            this.element[ 0 ],
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                            $.ui.safeActiveElement( this.document[ 0 ] )
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                        );
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                        if ( notContained ) {
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                            this.collapseAll( event );
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                        }
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                    } );
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                },
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                keydown: "_keydown"
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            } );
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            this.refresh();
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            // Clicks outside of a menu collapse any open menus
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            this._on( this.document, {
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                click: function( event ) {
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                    if ( this._closeOnDocumentClick( event ) ) {
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                        this.collapseAll( event, true );
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                    }
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                    // Reset the mouseHandled flag
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                    this.mouseHandled = false;
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                }
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            } );
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        },
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        _activateItem: function( event ) {
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            // Ignore mouse events while typeahead is active, see #10458.
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            // Prevents focusing the wrong item when typeahead causes a scroll while the mouse
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            // is over an item in the menu
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            if ( this.previousFilter ) {
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                return;
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            }
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            // If the mouse didn't actually move, but the page was scrolled, ignore the event (#9356)
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            if ( event.clientX === this.lastMousePosition.x &&
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                event.clientY === this.lastMousePosition.y ) {
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                return;
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            }
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            this.lastMousePosition = {
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                x: event.clientX,
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                y: event.clientY
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            };
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            var actualTarget = $( event.target ).closest( ".ui-menu-item" ),
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                target = $( event.currentTarget );
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            // Ignore bubbled events on parent items, see #11641
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            if ( actualTarget[ 0 ] !== target[ 0 ] ) {
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                return;
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            }
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            // If the item is already active, there's nothing to do
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            if ( target.is( ".ui-state-active" ) ) {
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                return;
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            }
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            // Remove ui-state-active class from siblings of the newly focused menu item
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            // to avoid a jump caused by adjacent elements both having a class with a border
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            this._removeClass( target.siblings().children( ".ui-state-active" ),
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                null, "ui-state-active" );
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            this.focus( event, target );
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        },
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        _destroy: function() {
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            var items = this.element.find( ".ui-menu-item" )
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                    .removeAttr( "role aria-disabled" ),
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                submenus = items.children( ".ui-menu-item-wrapper" )
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                    .removeUniqueId()
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                    .removeAttr( "tabIndex role aria-haspopup" );
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            // Destroy (sub)menus
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            this.element
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                .removeAttr( "aria-activedescendant" )
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                .find( ".ui-menu" ).addBack()
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                .removeAttr( "role aria-labelledby aria-expanded aria-hidden aria-disabled " +
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                    "tabIndex" )
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                .removeUniqueId()
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                .show();
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            submenus.children().each( function() {
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                var elem = $( this );
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                if ( elem.data( "ui-menu-submenu-caret" ) ) {
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                    elem.remove();
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                }
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            } );
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        },
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        _keydown: function( event ) {
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            var match, prev, character, skip,
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                preventDefault = true;
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            switch ( event.keyCode ) {
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                case $.ui.keyCode.PAGE_UP:
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                    this.previousPage( event );
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                    break;
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                case $.ui.keyCode.PAGE_DOWN:
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                    this.nextPage( event );
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                    break;
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                case $.ui.keyCode.HOME:
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                    this._move( "first", "first", event );
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                    break;
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                case $.ui.keyCode.END:
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                    this._move( "last", "last", event );
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                    break;
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                case $.ui.keyCode.UP:
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                    this.previous( event );
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                    break;
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                case $.ui.keyCode.DOWN:
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                    this.next( event );
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                    break;
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                case $.ui.keyCode.LEFT:
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                    this.collapse( event );
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                    break;
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                case $.ui.keyCode.RIGHT:
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                    if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
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                        this.expand( event );
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                    }
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                    break;
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                case $.ui.keyCode.ENTER:
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                case $.ui.keyCode.SPACE:
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                    this._activate( event );
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                    break;
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                case $.ui.keyCode.ESCAPE:
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                    this.collapse( event );
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                    break;
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                default:
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                    preventDefault = false;
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                    prev = this.previousFilter || "";
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                    skip = false;
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                    // Support number pad values
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                    character = event.keyCode >= 96 && event.keyCode <= 105 ?
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                        ( event.keyCode - 96 ).toString() : String.fromCharCode( event.keyCode );
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                    clearTimeout( this.filterTimer );
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                    if ( character === prev ) {
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                        skip = true;
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                    } else {
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                        character = prev + character;
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                    }
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                    match = this._filterMenuItems( character );
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                    match = skip && match.index( this.active.next() ) !== -1 ?
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                        this.active.nextAll( ".ui-menu-item" ) :
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                        match;
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                    // If no matches on the current filter, reset to the last character pressed
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                    // to move down the menu to the first item that starts with that character
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                    if ( !match.length ) {
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                        character = String.fromCharCode( event.keyCode );
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                        match = this._filterMenuItems( character );
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                    }
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                    if ( match.length ) {
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                        this.focus( event, match );
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                        this.previousFilter = character;
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                        this.filterTimer = this._delay( function() {
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                            delete this.previousFilter;
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                        }, 1000 );
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                    } else {
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                        delete this.previousFilter;
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                    }
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            }
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            if ( preventDefault ) {
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                event.preventDefault();
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            }
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        },
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        _activate: function( event ) {
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            if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
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                if ( this.active.children( "[aria-haspopup='true']" ).length ) {
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                    this.expand( event );
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                } else {
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                    this.select( event );
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                }
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            }
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        },
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        refresh: function() {
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            var menus, items, newSubmenus, newItems, newWrappers,
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                that = this,
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                icon = this.options.icons.submenu,
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                submenus = this.element.find( this.options.menus );
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            this._toggleClass( "ui-menu-icons", null, !!this.element.find( ".ui-icon" ).length );
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            // Initialize nested menus
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            newSubmenus = submenus.filter( ":not(.ui-menu)" )
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                .hide()
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                .attr( {
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                    role: this.options.role,
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                    "aria-hidden": "true",
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                    "aria-expanded": "false"
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                } )
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                .each( function() {
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                    var menu = $( this ),
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                        item = menu.prev(),
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                        submenuCaret = $( "<span>" ).data( "ui-menu-submenu-caret", true );
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                    that._addClass( submenuCaret, "ui-menu-icon", "ui-icon " + icon );
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                    item
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                        .attr( "aria-haspopup", "true" )
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                        .prepend( submenuCaret );
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                    menu.attr( "aria-labelledby", item.attr( "id" ) );
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                } );
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            this._addClass( newSubmenus, "ui-menu", "ui-widget ui-widget-content ui-front" );
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            menus = submenus.add( this.element );
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            items = menus.find( this.options.items );
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            // Initialize menu-items containing spaces and/or dashes only as dividers
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            items.not( ".ui-menu-item" ).each( function() {
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                var item = $( this );
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                if ( that._isDivider( item ) ) {
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                    that._addClass( item, "ui-menu-divider", "ui-widget-content" );
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                }
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            } );
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            // Don't refresh list items that are already adapted
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            newItems = items.not( ".ui-menu-item, .ui-menu-divider" );
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            newWrappers = newItems.children()
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                .not( ".ui-menu" )
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                .uniqueId()
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                .attr( {
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                    tabIndex: -1,
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                    role: this._itemRole()
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                } );
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            this._addClass( newItems, "ui-menu-item" )
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                ._addClass( newWrappers, "ui-menu-item-wrapper" );
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            // Add aria-disabled attribute to any disabled menu item
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            items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" );
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            // If the active item has been removed, blur the menu
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            if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
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                this.blur();
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            }
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        },
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        _itemRole: function() {
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            return {
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                menu: "menuitem",
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                listbox: "option"
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            }[ this.options.role ];
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        },
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        _setOption: function( key, value ) {
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            if ( key === "icons" ) {
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                var icons = this.element.find( ".ui-menu-icon" );
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                this._removeClass( icons, null, this.options.icons.submenu )
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                    ._addClass( icons, null, value.submenu );
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            }
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            this._super( key, value );
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        },
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        _setOptionDisabled: function( value ) {
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            this._super( value );
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            this.element.attr( "aria-disabled", String( value ) );
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            this._toggleClass( null, "ui-state-disabled", !!value );
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        },
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        focus: function( event, item ) {
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            var nested, focused, activeParent;
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            this.blur( event, event && event.type === "focus" );
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            this._scrollIntoView( item );
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            this.active = item.first();
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            focused = this.active.children( ".ui-menu-item-wrapper" );
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            this._addClass( focused, null, "ui-state-active" );
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            // Only update aria-activedescendant if there's a role
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            // otherwise we assume focus is managed elsewhere
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            if ( this.options.role ) {
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                this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
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            }
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            // Highlight active parent menu item, if any
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            activeParent = this.active
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                .parent()
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                .closest( ".ui-menu-item" )
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                .children( ".ui-menu-item-wrapper" );
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            this._addClass( activeParent, null, "ui-state-active" );
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            if ( event && event.type === "keydown" ) {
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                this._close();
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            } else {
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                this.timer = this._delay( function() {
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                    this._close();
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                }, this.delay );
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            }
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            nested = item.children( ".ui-menu" );
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            if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) {
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                this._startOpening( nested );
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            }
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            this.activeMenu = item.parent();
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            this._trigger( "focus", event, { item: item } );
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        },
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        _scrollIntoView: function( item ) {
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            var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
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            if ( this._hasScroll() ) {
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                borderTop = parseFloat( $.css( this.activeMenu[ 0 ], "borderTopWidth" ) ) || 0;
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                paddingTop = parseFloat( $.css( this.activeMenu[ 0 ], "paddingTop" ) ) || 0;
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                offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
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                scroll = this.activeMenu.scrollTop();
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                elementHeight = this.activeMenu.height();
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                itemHeight = item.outerHeight();
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                if ( offset < 0 ) {
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                    this.activeMenu.scrollTop( scroll + offset );
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                } else if ( offset + itemHeight > elementHeight ) {
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                    this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
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                }
 | 
						|
            }
 | 
						|
        },
 | 
						|
 | 
						|
        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 :
 | 
						|
                    $( event && event.target ).closest( this.element.find( ".ui-menu" ) );
 | 
						|
 | 
						|
                // If we found no valid submenu ancestor, use the main menu to close all
 | 
						|
                // sub menus anyway
 | 
						|
                if ( !currentMenu.length ) {
 | 
						|
                    currentMenu = this.element;
 | 
						|
                }
 | 
						|
 | 
						|
                this._close( currentMenu );
 | 
						|
 | 
						|
                this.blur( event );
 | 
						|
 | 
						|
                // Work around active item staying active after menu is blurred
 | 
						|
                this._removeClass( currentMenu.find( ".ui-state-active" ), null, "ui-state-active" );
 | 
						|
 | 
						|
                this.activeMenu = currentMenu;
 | 
						|
            }, all ? 0 : this.delay );
 | 
						|
        },
 | 
						|
 | 
						|
        // With no arguments, closes the currently active menu - if nothing is active
 | 
						|
        // it closes all menus.  If passed an argument, it will search for menus BELOW
 | 
						|
        _close: function( startMenu ) {
 | 
						|
            if ( !startMenu ) {
 | 
						|
                startMenu = this.active ? this.active.parent() : this.element;
 | 
						|
            }
 | 
						|
 | 
						|
            startMenu.find( ".ui-menu" )
 | 
						|
                .hide()
 | 
						|
                .attr( "aria-hidden", "true" )
 | 
						|
                .attr( "aria-expanded", "false" );
 | 
						|
        },
 | 
						|
 | 
						|
        _closeOnDocumentClick: function( event ) {
 | 
						|
            return !$( 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._menuItems( this.active.children( ".ui-menu" ) ).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;
 | 
						|
        },
 | 
						|
 | 
						|
        _menuItems: function( menu ) {
 | 
						|
            return ( menu || this.element )
 | 
						|
                .find( this.options.items )
 | 
						|
                .filter( ".ui-menu-item" );
 | 
						|
        },
 | 
						|
 | 
						|
        _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" )
 | 
						|
                        .last();
 | 
						|
                } else {
 | 
						|
                    next = this.active
 | 
						|
                        [ direction + "All" ]( ".ui-menu-item" )
 | 
						|
                        .first();
 | 
						|
                }
 | 
						|
            }
 | 
						|
            if ( !next || !next.length || !this.active ) {
 | 
						|
                next = this._menuItems( this.activeMenu )[ 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.innerHeight();
 | 
						|
 | 
						|
                // jQuery 3.2 doesn't include scrollbars in innerHeight, add it back.
 | 
						|
                if ( $.fn.jquery.indexOf( "3.2." ) === 0 ) {
 | 
						|
                    height += this.element[ 0 ].offsetHeight - this.element.outerHeight();
 | 
						|
                }
 | 
						|
 | 
						|
                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._menuItems( this.activeMenu )
 | 
						|
                    [ !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.innerHeight();
 | 
						|
 | 
						|
                // jQuery 3.2 doesn't include scrollbars in innerHeight, add it back.
 | 
						|
                if ( $.fn.jquery.indexOf( "3.2." ) === 0 ) {
 | 
						|
                    height += this.element[ 0 ].offsetHeight - this.element.outerHeight();
 | 
						|
                }
 | 
						|
 | 
						|
                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._menuItems( this.activeMenu ).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(
 | 
						|
                        String.prototype.trim.call(
 | 
						|
                            $( this ).children( ".ui-menu-item-wrapper" ).text() ) );
 | 
						|
                } );
 | 
						|
        }
 | 
						|
    } );
 | 
						|
 | 
						|
} );
 |