Title.php

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<?php
 
namespace Elgg\Menus;
 
use Elgg\Menu\MenuItems;
 
class Title {
    
    public static function registerAvatarEdit(\Elgg\Event $event) {
        $user = $event->getEntityParam();
        if (!$user instanceof \ElggUser || !$user->canEdit()) {
            return;
        }
        
        /* @var $return MenuItems */
        $return = $event->getValue();
        
        $return[] = \ElggMenuItem::factory([
            'name' => 'avatar:edit',
            'icon' => 'image',
            'text' => elgg_echo('avatar:edit'),
            'href' => elgg_generate_entity_url($user, 'edit', 'avatar'),
            'link_class' => ['elgg-button', 'elgg-button-action'],
        ]);
        
        return $return;
    }
    
    public static function registerEntityToTitle(\Elgg\Event $event) {
        $entity = $event->getEntityParam();
        if (!$entity instanceof \ElggEntity) {
            return;
        }
        
        $return = $event->getValue();
        if (!$return instanceof MenuItems) {
            return;
        }
        
        $entity_menu = _elgg_services()->menus->getUnpreparedMenu('entity', [
            'entity' => $entity,
        ]);
        
        /* @var $menu_item \ElggmenuItem */
        foreach ($entity_menu->getItems() as $menu_item) {
            if ($return->has($menu_item->getName())) {
                if ($menu_item->getName() === 'edit') {
                    // move edit always to z-last location
                    $return->get('edit')->setSection('z-last');
                }
                
                continue;
            }
            
            switch ($menu_item->getName()) {
                case 'edit':
                    $menu_item->addLinkClass('elgg-button');
                    $menu_item->addLinkClass('elgg-button-action');
                    
                    $menu_item->setSection('z-last');
                    break;
                default:
                    if ($menu_item->getSection() === 'default') {
                        $menu_item->setParentName('title-menu-toggle');
                        $menu_item->setSection('z-last');
                    } else {
                        $menu_item->addLinkClass('elgg-button');
                        $menu_item->addLinkClass('elgg-button-action');
                    }
                    break;
            }
            
            $return->add($menu_item);
        }
        
        $return->add(\ElggMenuItem::factory([
            'name' => 'title-menu-toggle',
            'icon' => 'ellipsis-v',
            'href' => false,
            'text' => '',
            'title' => elgg_echo('more'),
            'child_menu' => [
                'display' => 'dropdown',
                'data-position' => json_encode([
                    'at' => 'right bottom',
                    'my' => 'right top',
                    'collision' => 'fit fit',
                ]),
                'class' => "elgg-{$event->getParam('name')}-dropdown-menu",
            ],
            'show_with_empty_children' => false,
            'link_class' => [
                'elgg-button',
                'elgg-button-action',
            ],
            'priority' => 999,
            'section' => 'z-last',
        ]));
        
        return $return;
    }
    
    public static function registerSubscribable(\Elgg\Event $event): ?MenuItems {
        $user = elgg_get_logged_in_user_entity();
        if (!$user instanceof \ElggUser) {
            return null;
        }
        
        $entity = $event->getEntityParam();
        if (!$entity instanceof \ElggEntity || !$entity->hasCapability('subscribable')) {
            return null;
        }
        
        $result = $event->getValue();
        if (!$result instanceof MenuItems) {
            return null;
        }
        
        $can_subscribe = !$entity->hasSubscriptions() || $entity->hasMutedNotifications();
        
        // subscribe
        $subscribe_options = [
            'name' => 'entity_subscribe',
            'icon' => 'bell',
            'text' => elgg_echo('entity:subscribe'),
            'href' => false,
            'item_class' => $can_subscribe ? '' : 'hidden',
            'link_class' => [
                'elgg-button',
                'elgg-button-action',
            ],
        ];
        
        // check if it makes sense to enable the subscribe button
        $has_preferences = !empty($user->getNotificationSettings('default', true));
        if ($has_preferences) {
            $subscribe_options['href'] = elgg_generate_action_url('entity/subscribe', [
                'guid' => $entity->guid,
            ]);
            $subscribe_options['data-toggle'] = 'entity_mute';
        } else {
            $subscribe_options['link_class'][] = 'elgg-state-disabled';
            $subscribe_options['title'] = elgg_echo('entity:subscribe:disabled');
        }
        
        $result[] = \ElggMenuItem::factory($subscribe_options);
        
        // mute
        $result[] = \ElggMenuItem::factory([
            'name' => 'entity_mute',
            'icon' => 'bell-slash',
            'text' => elgg_echo('entity:mute'),
            'href' => elgg_generate_action_url('entity/mute', [
                'guid' => $entity->guid,
            ]),
            'item_class' => $can_subscribe ? 'hidden' : '',
            'link_class' => [
                'elgg-button',
                'elgg-button-action',
            ],
            'data-toggle' => 'entity_subscribe',
        ]);
        
        return $result;
    }
}