function AnnouncementsFeedToolbarHooks::toolbar

Implements hook_toolbar().

Attributes

File

core/modules/announcements_feed/src/Hook/AnnouncementsFeedToolbarHooks.php, line 23

Class

AnnouncementsFeedToolbarHooks

Toolbar hook implementations for announcements_feed.

Namespace

Code

public function toolbar() : array {
  if (!$this->account
    ->hasPermission('access announcements')) {
    return [
      '#cache' => [
        'contexts' => [
          'user.permissions',
        ],
      ],
    ];
  }
  $items['announcement'] = [
    '#type' => 'toolbar_item',
    'tab' => [
      '#lazy_builder' => [
        'announcements_feed.lazy_builders:renderAnnouncements',
        [],
      ],
      '#create_placeholder' => TRUE,
      '#cache' => [
        'tags' => [
          'announcements_feed:feed',
        ],
      ],
    ],
    '#wrapper_attributes' => [
      'class' => [
        'announce-toolbar-tab',
      ],
    ],
    '#cache' => [
      'contexts' => [
        'user.permissions',
      ],
    ],
    '#weight' => 3399,
  ];
  // \Drupal\toolbar\Element\ToolbarItem::preRenderToolbarItem adds an
  // #attributes property to each toolbar item's tab child automatically. Lazy
  // builders don't support an #attributes property so we need to add another
  // render callback to remove the #attributes property. We start by adding
  // the defaults, and then we append our own pre render callback.
  $items['announcement'] += $this->elementInfoManager
    ->getInfo('toolbar_item');
  $items['announcement']['#pre_render'][] = [
    RenderCallbacks::class,
    'removeTabAttributes',
  ];
  return $items;
}