function entityreference_view_settings_validate

Element validation callback for EntityReferenceSelectionHandlerViews.

File

core/modules/entityreference/views/entityreference.views.inc, line 163

Views integration for Entity Reference.

Code

function entityreference_view_settings_validate($element, &$form_state, $form) {
  // Split view name and display name from the 'view_and_display' value.
  if (!empty($element['view_and_display']['#value'])) {
    list($view, $display) = explode(':', $element['view_and_display']['#value']);
  }
  else {
    form_error($element, t('The views entity selection mode requires a view.'));
    return;
  }

  // Explode the 'args' string into an actual array. Beware, explode() turns an
  // empty string into an array with one empty string. We'll need an empty array
  // instead.
  $args_string = trim($element['args']['#value']);
  if ($args_string === '') {
    $args = array();
  }
  else {
    // array_map is called to trim whitespaces from the arguments.
    $args = array_map('trim', explode(',', $args_string));
  }

  $value = array('view_name' => $view, 'display_name' => $display, 'args' => $args);
  form_set_value($element, $value, $form_state);
}