public function VariableDataComparison::validateForm in Business Rules 8

Same name and namespace in other branches

1. 2.x src/Plugin/BusinessRulesCondition/VariableDataComparison.php \Drupal\business_rules\Plugin\BusinessRulesCondition\VariableDataComparison::validateForm()

Performs the form validation.

Parameters

array $form: The form array.

\Drupal\Core\Form\FormStateInterface $form_state: The form state object.

Overrides BusinessRulesItemPluginBase::validateForm

File

src/Plugin/BusinessRulesCondition/VariableDataComparison.php, line 78

Class

VariableDataComparison

Class VariableDataComparison.

Namespace

Drupal\business_rules\Plugin\BusinessRulesCondition

Code

public function validateForm(array &$form, FormStateInterface $form_state) {

  /** @var \Drupal\Core\Entity\EntityInterface $item */
  $item = $form_state
    ->getFormObject()
    ->getEntity();
  if (!$item
    ->isNew()) {
    $textarea_fields = [
      'contains',
      '==',
      'starts_with',
      'ends_with',
      '!=',
    ];
    $value_to_compare = $form_state
      ->getValue('value_to_compare');
    $operator = $form_state
      ->getValue('operator');
    if (!in_array($operator, $textarea_fields) && stristr($value_to_compare, chr(10))) {
      $form_state
        ->setErrorByName('value_to_compare', t('This operator only allows one value in one line. Please remove the additional lines.'));
    }
  }
}