function date_api_filter_handler::extra_options_validate in Date 6.2

File

includes/date_api_filter_handler.inc, line 178

Date Views filter handler.

Class

date_api_filter_handler

A flexible, configurable date filter.

Code

function extra_options_validate($form, &$form_state) {
  $check_fields = array_filter($form_state['values']['options']['date_fields']);
  if (empty($check_fields)) {
    form_error($form['date_fields'], t('You must select at least one date field for this filter.'));
  }
  if (!preg_match('/^(?:\\-[0-9]{1,4}|[0-9]{4}):(?:[\\+|\\-][0-9]{1,4}|[0-9]{4})$/', $form_state['values']['options']['year_range'])) {
    form_error($form['year_range'], t('Date year range must be in the format -9:+9, 2005:2010, -9:2010, or 2005:+9'));
  }
}