public function DisplayPluginBase::validateOptionsForm

Validate the options form.

Overrides PluginBase::validateOptionsForm

File

drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php, line 2107

Contains Drupal\views\Plugin\views\display\DisplayPluginBase.

Class

DisplayPluginBase

The default display plugin handler. Display plugins handle options and basic mechanisms for different output methods.

Namespace

Code

public function validateOptionsForm(&$form, &$form_state) {
  switch ($form_state['section']) {
    case 'display_title':
      if (empty($form_state['values']['display_title'])) {
        form_error($form['display_title'], t('Display title may not be empty.'));
      }
      break;
    case 'css_class':
      $css_class = $form_state['values']['css_class'];
      if (preg_match('/[^a-zA-Z0-9-_ ]/', $css_class)) {
        form_error($form['css_class'], t('CSS classes must be alphanumeric or dashes only.'));
      }
      break;
    case 'display_id':
      if ($form_state['values']['display_id']) {
        if (preg_match('/[^a-z0-9_]/', $form_state['values']['display_id'])) {
          form_error($form['display_id'], t('Display name must be letters, numbers, or underscores only.'));
        }
        foreach ($this->view->display as $id => $display) {
          if ($id != $this->view->current_display && ($form_state['values']['display_id'] == $id || isset($display->new_id) && $form_state['values']['display_id'] == $display->new_id)) {
            form_error($form['display_id'], t('Display id should be unique.'));
          }
        }
      }
      break;
    case 'query':
      if ($this->view->query) {
        $this->view->query
          ->validateOptionsForm($form['query'], $form_state);
      }
      break;
  }

  // Validate plugin options. Every section with "_options" in it, belongs to
  // a plugin type, like "style_options".
  if (strpos($form_state['section'], '_options') !== FALSE) {
    $plugin_type = str_replace('_options', '', $form_state['section']);

    // Load the plugin and let it handle the validation.
    if ($plugin = $this
      ->getPlugin($plugin_type)) {
      $plugin
        ->validateOptionsForm($form[$form_state['section']], $form_state);
    }
  }
  foreach ($this->extender as $extender) {
    $extender
      ->validateOptionsForm($form, $form_state);
  }
}