public static function ToolbarItem::preRenderToolbarItem in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/toolbar/src/Element/ToolbarItem.php \Drupal\toolbar\Element\ToolbarItem::preRenderToolbarItem()
2. 10 core/modules/toolbar/src/Element/ToolbarItem.php \Drupal\toolbar\Element\ToolbarItem::preRenderToolbarItem()

Provides markup for associating a tray trigger with a tray element.

A tray is a responsive container that wraps renderable content. Trays present content well on small and large screens alike.

Parameters

array $element: A renderable array.

Return value

array A renderable array.

File

core/modules/toolbar/src/Element/ToolbarItem.php, line 46

Class

ToolbarItem

Provides a toolbar item that is wrapped in markup for common styling.

Namespace

Drupal\toolbar\Element

Code

public static function preRenderToolbarItem($element) {
  $id = $element['#id'];

  // Provide attributes for a toolbar item.
  $attributes = [
    'id' => $id,
  ];

  // If tray content is present, markup the tray and its associated trigger.
  if (!empty($element['tray'])) {

    // Provide attributes necessary for trays.
    $attributes += [
      'data-toolbar-tray' => $id . '-tray',
      'role' => 'button',
      'aria-pressed' => 'false',
    ];

    // Merge in module-provided attributes.
    $element['tab'] += [
      '#attributes' => [],
    ];
    $element['tab']['#attributes'] += $attributes;
    $element['tab']['#attributes']['class'][] = 'trigger';

    // Provide attributes for the tray theme wrapper.
    $attributes = [
      'id' => $id . '-tray',
      'data-toolbar-tray' => $id . '-tray',
    ];

    // Merge in module-provided attributes.
    if (!isset($element['tray']['#wrapper_attributes'])) {
      $element['tray']['#wrapper_attributes'] = [];
    }
    $element['tray']['#wrapper_attributes'] += $attributes;
    $element['tray']['#wrapper_attributes']['class'][] = 'toolbar-tray';
  }
  $element['tab']['#attributes']['class'][] = 'toolbar-item';
  return $element;
}