function term_level_field_settings_levels_validate in Term Level Field 7

Validates that level settings are correct.

1 string reference to 'term_level_field_settings_levels_validate'

term_level_field_settings_form in ./term_level.module

Implements hook_field_settings_form().

File

./term_level.module, line 199

Field type for referencing terms with a level to an entity.

Code

function term_level_field_settings_levels_validate($element, &$form_state) {
  $levels = _term_level_extract_levels($element['#value']);
  if (count($levels) == 0) {
    form_error($element, t('Please enter valid levels.'));
  }
  foreach ($levels as $key => $label) {
    if (!is_numeric($key)) {
      form_error($element, t('The level key must be numeric.'));
    }
  }
}