public static function Amswap::preRender in Admin Menu Swap 8

Pre-render callback to replace the default menu with a role specific menu.

Parameters

array $element: The administration toolbar.

Return value

array The altered element.

File

src/Render/Element/Amswap.php, line 30

Class

Amswap

Provides a pre-render callback for the administration menu.

Namespace

Drupal\amswap\Render\Element

Code

public static function preRender(array $element) {
  $parameters = new MenuTreeParameters();
  $parameters
    ->onlyEnabledLinks();
  $toolbar_menu_tree = \Drupal::service('toolbar.menu_tree');
  $current_user = \Drupal::currentUser();
  $role_menu_pairs = \Drupal::config('amswap.amswapconfig')
    ->get('role_menu_pairs');
  $menu_specified = FALSE;
  $trees = [];
  if (is_array($role_menu_pairs) || is_object($role_menu_pairs)) {
    foreach ($role_menu_pairs as $pair) {

      // If the specified role matches the users current role
      if (in_array($pair['role'], $current_user
        ->getRoles(), FALSE)) {
        $parameters
          ->setMinDepth(1)
          ->setMaxDepth(4);
        $trees[] = $toolbar_menu_tree
          ->load($pair['menu'], $parameters);
        $menu_specified = TRUE;
      }
    }
  }
  if (!$menu_specified) {

    // Return un-altered
    return $element;
  }

  // Add manipulators
  $manipulators = [
    [
      'callable' => 'menu.default_tree_manipulators:checkAccess',
    ],
    [
      'callable' => 'menu.default_tree_manipulators:generateIndexAndSort',
    ],
  ];
  if (function_exists('toolbar_tools_menu_navigation_links')) {

    // If Admin Toolbar module is installed, use its toolbar manipulation function
    $manipulators[] = [
      'callable' => 'toolbar_tools_menu_navigation_links',
    ];
  }
  else {

    // Otherwise use Toolbar module's toolbar manipulation function
    $manipulators[] = [
      'callable' => 'toolbar_menu_navigation_links',
    ];
  }
  $element['administration_menu'] = [];
  foreach ($trees as $tree) {
    $tree = $toolbar_menu_tree
      ->transform($tree, $manipulators);
    $element['administration_menu'] = NestedArray::mergeDeep($toolbar_menu_tree
      ->build($tree), $element['administration_menu']);
  }
  return $element;
}