function _google_tag_validate_listed_classes in GoogleTagManager 7

Same name and namespace in other branches

1. 7.2 includes/variable.inc \_google_tag_validate_listed_classes()

Element validation handler for google_tag_listed_classes.

1 string reference to '_google_tag_validate_listed_classes'

_google_tag_variable_info_advanced in includes/variable.inc

Implements hook_variable_info().

File

includes/variable.inc, line 415

Contains the variable definitions.

Code

function _google_tag_validate_listed_classes($variable, $options, $element, $form, &$form_state) {
  if (!drupal_array_get_nested_value($form_state['values'], $element['#parents'])) {
    return;
  }
  $keys = array(
    'google_tag_whitelist_classes',
    'google_tag_blacklist_classes',
  );
  $variables = isset($form['#variable_edit_form']) ? $form['#variable_edit_form'] : array();
  $items = array_diff($keys, $variables);
  if (!empty($items)) {

    // Need both variables on form to validate.
    form_set_error('google_tag_include_classes', t('To validate listed classes, include the whitelist and blacklist variables in the realm variables.'));
    return;
  }
  $empty = TRUE;
  foreach ($keys as $key) {
    array_pop($element['#parents']);
    $element['#parents'][] = $key;
    $classes = drupal_array_get_nested_value($form_state['values'], $element['#parents']);
    google_tag_text_clean($classes);
    $empty &= empty($classes);
  }
  if ($empty) {
    form_set_error('google_tag_include_classes', t('Enter listed classes in at least one field, or uncheck the box.'));
    form_set_error('google_tag_whitelist_classes', '');
    form_set_error('google_tag_blacklist_classes', '');
  }
}