public function DisplayLink::buildOptionsForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Plugin/views/area/DisplayLink.php \Drupal\views\Plugin\views\area\DisplayLink::buildOptionsForm()

Provide a form to edit options for this plugin.

Overrides AreaPluginBase::buildOptionsForm

File

core/modules/views/src/Plugin/views/area/DisplayLink.php, line 33

Class

DisplayLink

Views area display_link handler.

Namespace

Drupal\views\Plugin\views\area

Code

public function buildOptionsForm(&$form, FormStateInterface $form_state) {
  parent::buildOptionsForm($form, $form_state);
  $allowed_displays = [];
  $displays = $this->view->storage
    ->get('display');
  foreach ($displays as $display_id => $display) {
    if (!$this
      ->isPathBasedDisplay($display_id)) {
      unset($displays[$display_id]);
      continue;
    }
    $allowed_displays[$display_id] = $display['display_title'];
  }
  $form['description'] = [
    [
      '#markup' => $this
        ->t('To make sure the results are the same when switching to the other display, it is recommended to make sure the display:'),
    ],
    [
      '#theme' => 'item_list',
      '#items' => [
        $this
          ->t('Has a path.'),
        $this
          ->t('Has the same filter criteria.'),
        $this
          ->t('Has the same sort criteria.'),
        $this
          ->t('Has the same pager settings.'),
        $this
          ->t('Has the same contextual filters.'),
      ],
    ],
  ];
  if (!$allowed_displays) {
    $form['empty_message'] = [
      '#markup' => '<p><em>' . $this
        ->t('There are no path-based displays available.') . '</em></p>',
    ];
  }
  else {
    $form['display_id'] = [
      '#title' => $this
        ->t('Display'),
      '#type' => 'select',
      '#options' => $allowed_displays,
      '#default_value' => $this->options['display_id'],
      '#required' => TRUE,
    ];
    $form['label'] = [
      '#title' => $this
        ->t('Label'),
      '#description' => $this
        ->t('The text of the link.'),
      '#type' => 'textfield',
      '#default_value' => $this->options['label'],
      '#required' => TRUE,
    ];
  }
}