function embed_filter_format_edit_form_validate in Embed 8

Validate callback for buttons that have a required_filter_plugin_id.

2 string references to 'embed_filter_format_edit_form_validate'

embed_form_filter_format_add_form_alter in ./embed.module

Implements hook_form_FORM_ID_alter().

embed_form_filter_format_edit_form_alter in ./embed.module

Implements hook_form_FORM_ID_alter().

File

./embed.module, line 54

Code

function embed_filter_format_edit_form_validate($form, FormStateInterface $form_state) {
  if ($form_state
    ->getTriggeringElement()['#name'] !== 'op') {
    return;
  }

  // Right now we can only validate CKEditor configurations.
  if ($form_state
    ->getValue([
    'editor',
    'editor',
  ]) !== 'ckeditor') {
    return;
  }
  $button_group_path = [
    'editor',
    'settings',
    'toolbar',
    'button_groups',
  ];
  $buttons_to_validate = [];
  $buttons = \Drupal::service('plugin.manager.ckeditor.plugin')
    ->getButtons();
  foreach ($buttons as $plugin_id => $plugin_buttons) {
    foreach ($plugin_buttons as $button_id => $button) {
      if (!empty($button['required_filter_plugin_id'])) {
        $buttons_to_validate[$plugin_id . ':' . $button_id] = $button['required_filter_plugin_id'];
      }
    }
  }
  if ($button_groups = $form_state
    ->getValue($button_group_path)) {
    $selected_buttons = [];
    $button_groups = Json::decode($button_groups);
    foreach ($button_groups as $button_row) {
      foreach ($button_row as $button_group) {
        $selected_buttons = array_merge($selected_buttons, array_values($button_group['items']));
      }
    }
    $get_filter_label = function ($filter_plugin_id) use ($form) {
      return (string) $form['filters']['order'][$filter_plugin_id]['filter']['#markup'];
    };
    foreach ($buttons_to_validate as $button_id => $filter_plugin_id) {
      list($plugin_id, $button_id) = explode(':', $button_id, 2);
      if (in_array($button_id, $selected_buttons, TRUE)) {
        $filter_enabled = $form_state
          ->getValue([
          'filters',
          $filter_plugin_id,
          'status',
        ]);
        if (!$filter_enabled) {
          $error_message = new TranslatableMarkup('The %filter-label filter must be enabled to use the %button button.', [
            '%filter-label' => $get_filter_label($filter_plugin_id),
            '%button' => $buttons[$plugin_id][$button_id]['label'],
          ]);
          $form_state
            ->setErrorByName('filters][' . $filter_plugin_id . '][status', $error_message);
        }
      }
    }
  }
}