function viewfield_field_instance_settings_form_validate in Viewfield 7.2

Same name and namespace in other branches

1. 7.3 viewfield.module \viewfield_field_instance_settings_form_validate()

Form element validation handler for viewfield_field_instance_settings_form().

1 string reference to 'viewfield_field_instance_settings_form_validate'

viewfield_field_instance_settings_form in ./viewfield.module

Implements hook_field_instance_settings_form().

File

./viewfield.module, line 66

Defines a field type to display a view.

Code

function viewfield_field_instance_settings_form_validate($element, &$form_state) {
  $widget_values = $form_state['values'][$element['#field_name']][LANGUAGE_NONE];
  if ($element['force_default']['#value']) {
    if (empty($widget_values[0]['vname'])) {
      form_error($element['force_default'], t('%title requires a default value.', array(
        '%title' => $element['force_default']['#title'],
      )));
    }
  }
}