function views_plugin_display::options_validate

Validate the options form.

Overrides views_plugin::options_validate

File

core/modules/views/plugins/views_plugin_display.inc, line 2231

Contains the base display plugin.

Class

views_plugin_display

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

Code

function options_validate(&$form, &$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 'style_options':
      $style = TRUE;
    case 'row_options':
      // if row, $style will be empty.
      $plugin = $this->get_plugin(empty($style) ? 'row' : 'style');
      if ($plugin) {
        $plugin->options_validate($form[$form_state['section']], $form_state);
      }
      break;
    case 'access_options':
      $plugin = $this->get_plugin('access');
      if ($plugin) {
        $plugin->options_validate($form['access_options'], $form_state);
      }
      break;
    case 'query':
      if ($this->view->query) {
        $this->view->query->options_validate($form['query'], $form_state);
      }
      break;
    case 'cache_options':
      $plugin = $this->get_plugin('cache');
      if ($plugin) {
        $plugin->options_validate($form['cache_options'], $form_state);
      }
      break;
    case 'exposed_form_options':
      $plugin = $this->get_plugin('exposed_form');
      if ($plugin) {
        $plugin->options_validate($form['exposed_form_options'], $form_state);
      }
      break;
    case 'pager_options':
      $plugin = $this->get_plugin('pager');
      if ($plugin) {
        $plugin->options_validate($form['pager_options'], $form_state);
      }
      break;
  }

  foreach ($this->extender as $extender) {
    $extender->options_validate($form, $form_state);
  }
}