META-INF.resources.primefaces.menu.menu.menubar.js Maven / Gradle / Ivy

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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
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PrimeFaces.widget.Menubar = PrimeFaces.widget.TieredMenu.extend({

    showSubmenu: function(menuitem, submenu) {
        var pos = null;

        if(menuitem.parent().hasClass('ui-menu-child')) {
            pos = {
                my: 'left top',
                at: 'right top',
                of: menuitem,
                collision: 'flipfit'
            };
        }
        else {
            pos = {
                my: 'left top',
                at: 'left bottom',
                of: menuitem,
                collision: 'flipfit'
            };
        }

        submenu.css('z-index', ++PrimeFaces.zindex)
                .show()
                .position(pos);
    },

    //@Override
    bindKeyEvents: function() {
        var $this = this;

        this.keyboardTarget.on('focus.menubar', function(e) {
            $this.highlight($this.links.eq(0).parent());
        })
        .on('blur.menubar', function() {
            $this.reset();
        })
        .on('keydown.menu', function(e) {
            var currentitem = $this.activeitem;
            if(!currentitem) {
                return;
            }

            var isRootLink = !currentitem.closest('ul').hasClass('ui-menu-child'),
            keyCode = $.ui.keyCode;

            switch(e.which) {
                    case keyCode.LEFT:
                        if(isRootLink) {
                            var prevItem = currentitem.prevAll('.ui-menuitem:not(.ui-menubar-options):first');
                            if(prevItem.length) {
                                $this.deactivate(currentitem);
                                $this.highlight(prevItem);
                            }

                            e.preventDefault();
                        }
                        else {
                            if(currentitem.hasClass('ui-menu-parent') && currentitem.children('.ui-menu-child').is(':visible')) {
                                $this.deactivate(currentitem);
                                $this.highlight(currentitem);
                            }
                            else {
                                var parentItem = currentitem.parent().parent();
                                $this.deactivate(currentitem);
                                $this.deactivate(parentItem);
                                $this.highlight(parentItem);
                            }
                        }
                    break;

                    case keyCode.RIGHT:
                        if(isRootLink) {
                            var nextItem = currentitem.nextAll('.ui-menuitem:not(.ui-menubar-options):first');
                            if(nextItem.length) {
                                $this.deactivate(currentitem);
                                $this.highlight(nextItem);
                            }

                            e.preventDefault();
                        }
                        else {
                            if(currentitem.hasClass('ui-menu-parent')) {
                                var submenu = currentitem.children('.ui-menu-child');

                                if(submenu.is(':visible'))
                                    $this.highlight(submenu.children('.ui-menuitem:first'));
                                else
                                    $this.activate(currentitem);
                            }
                        }
                    break;

                    case keyCode.UP:
                        if(!isRootLink) {
                            var prevItem = currentitem.prev('.ui-menuitem');
                            if(prevItem.length) {
                                $this.deactivate(currentitem);
                                $this.highlight(prevItem);
                            }
                        }

                        e.preventDefault();
                    break;

                    case keyCode.DOWN:
                        if(isRootLink) {
                            var submenu = currentitem.children('ul.ui-menu-child');
                            if(submenu.is(':visible'))
                                $this.highlight(submenu.children('.ui-menuitem:first'));
                            else
                                $this.activate(currentitem);
                        }
                        else {
                            var nextItem = currentitem.next('.ui-menuitem');
                            if(nextItem.length) {
                                $this.deactivate(currentitem);
                                $this.highlight(nextItem);
                            }
                        }

                        e.preventDefault();
                    break;

                    case keyCode.ENTER:
                    case keyCode.NUMPAD_ENTER:
                        var currentLink = currentitem.children('.ui-menuitem-link');
                        currentLink.trigger('click');
                        $this.jq.blur();
                        var href = currentLink.attr('href');
                        if(href && href !== '#') {
                            window.location.href = href;
                        }

                        e.preventDefault();
                    break;

            }
        });
    }

});