function date_date_time_settings_validate in Date 6.2

Validate new date format type details.

1 string reference to 'date_date_time_settings_validate'

date_form_date_api_date_formats_form_alter in date/date.module

Implementation of hook_form_alter().

File

date/date.module, line 769

Defines date/time field types for the Content Construction Kit (CCK).

Code

function date_date_time_settings_validate($form, &$form_state) {
  if (!empty($form_state['values']['add_date_format_type']) && !empty($form_state['values']['add_date_format_title'])) {
    if (!preg_match("/^[a-zA-Z0-9_]+\$/", $form_state['values']['add_date_format_type'])) {
      form_set_error('add_date_format_type', t('The format type must contain only alphanumeric characters and underscores.'));
    }
    $types = date_get_format_types();
    if (in_array($form_state['values']['add_date_format_type'], array_keys($types))) {
      form_set_error('add_date_format_type', t('This format type already exists.  Please enter a unique type.'));
    }
  }
}