public static function GroupChannelWidget::validate in Rocket.Chat 8.2

Validate the channel name field.

Parameters

$element:

\Drupal\Core\Form\FormStateInterface $form_state:

Return value

bool

File

modules/rocket_chat_group/src/Plugin/Field/FieldWidget/GroupChannelWidget.php, line 111

Class

GroupChannelWidget

Class GroupChannelWidget

Namespace

Drupal\rocket_chat_group\Plugin\Field\FieldWidget

Code

public static function validate($element, FormStateInterface $form_state) {
  $value = $element['#value'];
  if (strlen($value) == 0) {
    $form_state
      ->setValueForElement($element, '');
    Drupal::messenger()
      ->addWarning(t("An empty value will disable Chat."), FALSE);
    return TRUE;
  }
  if (!preg_match('/^[a-zA-Z]+[a-zA-Z0-9\\-_.!?()>\\\\+=\\[\\]{};:|\\t &$%^\'\\",~`]*$/', $value)) {
    $form_state
      ->setError($element, t("Enter a Valid Channel name.<br> Valid Channel names start with a letter[a-z,A-Z] and do than contain only characters of the following set:<br>[a-zA-Z0-9-_.!?()>\\+=\\;:|[:tab:][:space:]&\$%^'\", ~`]"));
    return FALSE;
  }
  return TRUE;
}