function EntityFormDisplayEditForm::form

Overrides EntityDisplayFormBase::form

File

core/modules/field_ui/src/Form/EntityFormDisplayEditForm.php, line 157

Class

EntityFormDisplayEditForm

Edit form for the EntityFormDisplay entity type.

Namespace

Code

public function form(array $form, FormStateInterface $form_state) : array {
  $form = parent::form($form, $form_state);
  // Custom display settings.
  if ($this->entity
    ->getMode() == 'default') {
    // Only show the settings if there is at least one custom display mode.
    $display_mode_options = $this->getDisplayModeOptions();
    // Unset default option.
    unset($display_mode_options['default']);
    if ($display_mode_options) {
      $form['modes'] = [
        '#type' => 'details',
        '#title' => $this->t('Custom display settings'),
      ];
      // Prepare default values for the 'Custom display settings' checkboxes.
      $default = [];
      if ($enabled_displays = array_filter($this->getDisplayStatuses())) {
        $default = array_keys(array_intersect_key($display_mode_options, $enabled_displays));
      }
      natcasesort($display_mode_options);
      $form['modes']['display_modes_custom'] = [
        '#type' => 'checkboxes',
        '#title' => $this->t('Use custom display settings for the following @display_context modes', [
          '@display_context' => $this->displayContext,
        ]),
        '#options' => $display_mode_options,
        '#default_value' => $default,
      ];
      // Provide link to manage display modes.
      $form['modes']['display_modes_link'] = $this->getDisplayModesLink();
    }
  }
  return $form;
}