function bat_type_add_units_form_validate in Booking and Availability Management Tools for Drupal 7

Validation handler for unit add form.

File

modules/bat_unit/bat_type.admin.inc, line 837

BatType editing UI.

Code

function bat_type_add_units_form_validate($form, &$form_state) {
  if (empty($form_state['values']['units'])) {
    form_set_error('units', t('Please enter the number of units to add.'));
  }
  elseif (!is_numeric($form_state['values']['units'])) {
    form_set_error('units', t('Please enter a valid number of units to add.'));
  }
}