function views_autocomplete_filters_filter_hander_validate in Views Autocomplete Filters 7

Helper function for validate method for autocomplete filter handlers. Needed to avoid code duplicates.

See also

views_autocomplete_filters_handler_filter_string()

views_autocomplete_filters_handler_filter_combine()

4 calls to views_autocomplete_filters_filter_hander_validate()

views_autocomplete_filters_handler_filter_combine::validate in views/handlers/views_autocomplete_filters_handler_filter_combine.inc

Validate that this filter instance has a corresponding autocomplete results field.

views_autocomplete_filters_handler_filter_search_api_fulltext::validate in views/handlers/views_autocomplete_filters_handler_filter_search_api_fulltext.inc

Validate that this filter instance has a corresponding autocomplete results field.

views_autocomplete_filters_handler_filter_search_api_text::validate in views/handlers/views_autocomplete_filters_handler_filter_search_api_text.inc

Validate that this filter instance has a corresponding autocomplete results field.

views_autocomplete_filters_handler_filter_string::validate in views/handlers/views_autocomplete_filters_handler_filter_string.inc

Validate that this filter instance has a corresponding autocomplete results field.

File

./views_autocomplete_filters.module, line 188

Code

function views_autocomplete_filters_filter_hander_validate(&$errors, $filter_handler) {

  // Only check if this filter instance is exposed and has the autocomplete box
  // checked.
  if (!empty($filter_handler->options['exposed']) && !empty($filter_handler->options['expose']['autocomplete_filter'])) {

    // Look through the view and find the display that this filter instance is
    // part of.
    foreach ($filter_handler->view->display as $display_id => $display) {
      $display_filters = $display->handler
        ->get_handlers('filter');
      foreach ($display_filters as $filter_id => $filter) {
        if ($filter === $filter_handler) {

          // At this point we know we are looking at the correct display,
          // and we can check the fields.
          // Get the fields from the correct display.
          $display_fields = $display->handler
            ->get_handlers('field');
          $missing_autocomplete_fields = FALSE;

          // Distinct validation per handler type.
          switch ($filter_handler->definition['handler']) {
            case 'views_autocomplete_filters_handler_filter_combine':
            case 'views_autocomplete_filters_handler_filter_search_api_fulltext':
              $field_name = $filter_handler->options['fields'];
              if (empty($field_name)) {
                $missing_autocomplete_fields = TRUE;
              }
              break;
            default:
              $field_name = !empty($filter_handler->options['expose']['autocomplete_field']) ? $filter_handler->options['expose']['autocomplete_field'] : $filter_handler->options['id'];
              if (empty($field_name) || empty($display_fields[$field_name])) {
                $missing_autocomplete_fields = TRUE;
              }
              break;
          }
          if ($missing_autocomplete_fields) {
            $errors[] = t('Field with autocomplete results is not selected for %label filter in %display display.', array(
              '%label' => $filter_handler
                ->ui_name(TRUE),
              '%display' => $display->display_title . ' (' . $display->id . ')',
            ));
          }
        }
      }
    }
  }
}