public function Math::validateConfigurationForm in Tamper 8

Form validation handler.

Parameters

array $form: An associative array containing the structure of the plugin form as built by static::buildConfigurationForm().

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Calling code should pass on a subform state created through \Drupal\Core\Form\SubformState::createForSubform().

Overrides TamperBase::validateConfigurationForm

File

src/Plugin/Tamper/Math.php, line 91

Class

Math

Plugin implementation for performing basic math.

Namespace

Drupal\tamper\Plugin\Tamper

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  if ($form_state
    ->getValue(self::SETTING_OPERATION) === 'division' && empty($form_state
    ->getValue(self::SETTING_FLIP)) && $form_state
    ->getValue(self::SETTING_VALUE == 0)) {
    $form_state
      ->setErrorByName(self::SETTING_VALUE, $this
      ->t('Cannot divide by zero.'));
  }
}