Site.php

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<?php

namespace Elgg\Menus;

use Elgg\Menu\MenuItems;
use Elgg\Menu\PreparedMenu;

class Site {

    public static function registerAdminConfiguredItems(\Elgg\Hook $hook) {
        $custom_menu_items = elgg_get_config('site_custom_menu_items');
        if (empty($custom_menu_items)) {
            return;
        }
        
        /* @var $return MenuItems */
        $return = $hook->getValue();
        
        // add custom menu items
        $n = 1;
        foreach ($custom_menu_items as $title => $url) {
            $return[] = \ElggMenuItem::factory([
                'name' => "custom{$n}",
                'text' => $title,
                'href' => $url,
            ]);
            $n++;
        }
        
        return $return;
    }
    
    public static function reorderItems(\Elgg\Hook $hook) {
        /* @var $menu PreparedMenu */
        $menu = $hook->getValue();
        
        $featured_menu_names = array_values((array) elgg_get_config('site_featured_menu_names'));
        
        $registered = $menu->getItems('default');
        if (empty($registered)) {
            return;
        }
        
        $has_selected = false;
        $priority = 500;
        
        foreach ($registered as $item) {
            if (in_array($item->getName(), $featured_menu_names)) {
                $featured_index = array_search($item->getName(), $featured_menu_names);
                $item->setPriority($featured_index);
            } else {
                $item->setPriority($priority);
                $priority++;
            }
            if ($item->getSelected()) {
                $has_selected = true;
            }
        }
        
        if (!$has_selected) {
            // no selected item found, try to match on context
            $site_url = elgg_get_site_url();
            
            $is_selected = function (\ElggMenuItem $item) use ($site_url) {
                if (elgg_strpos($item->getHref(), $site_url) !== 0) {
                    // not an url on the site
                    return false;
                }
                
                if ($item->getName() == elgg_get_context()) {
                    // menu name matches current context
                    return true;
                }
                
                return false;
            };
            
            foreach ($registered as $item) {
                if ($is_selected($item)) {
                    $item->setSelected(true);
                    break;
                }
            }
        }
        
        usort($registered, [\ElggMenuBuilder::class, 'compareByPriority']);
        
        $max_display_items = $hook->getParam('max_display_items', 5);
        
        $num_menu_items = count($registered);
        
        $more = [];
        if ($max_display_items && $num_menu_items > ($max_display_items + 1)) {
            $more = array_splice($registered, $max_display_items);
        }
        
        if (!empty($more)) {
            $dropdown = \ElggMenuItem::factory([
                'name' => 'more',
                'text' => elgg_echo('more'),
                'href' => false,
                'icon_alt' => 'angle-down',
                'priority' => 999,
            ]);
            
            foreach ($more as &$item) {
                $item->setParentName('more');
            }
            
            $dropdown->setChildren($more);
            
            $registered[] = $dropdown;
        }
        
        $menu->getSection('default')->fill($registered);
        
        return $menu;
    }
}