/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
$component = $this->rulesUiHandler->getComponent();
$component->getExpression()->deleteExpression($this->uuid);
$this->rulesUiHandler->updateComponent($component);
$form_state->setRedirectUrl($this->getCancelUrl());
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state, RulesUiHandlerInterface $rules_ui_handler = NULL, $uuid = NULL, $expression_id = NULL)
{
$this->expressionId = $expression_id;
$this->uuid = $uuid;
// When initially adding the expression, we have to initialize the object
// and add the expression.
if (!$this->uuid) {
// Before we add our edited expression to the component's expression,
// we clone it such that we do not change the source component until
// the form has been successfully submitted.
$component = clone $rules_ui_handler->getComponent();
$this->uuid = $this->getEditedExpression($component)->getUuid();
$form_state->set('component', $component);
$form_state->set('uuid', $this->uuid);
}
return parent::buildForm($form, $form_state, $rules_ui_handler, $this->uuid);
}
/**
* Gets the form handler for the component's expression.
*
* @return \Drupal\rules\Form\Expression\ExpressionFormInterface|null
* The form handling object if there is one, NULL otherwise.
*/
protected function getFormHandler()
{
return $this->rulesUiHandler->getComponent()->getExpression()->getFormHandler();
}
/**
* Provides the page title on the form.
*/
public function getTitle(RulesUiHandlerInterface $rules_ui_handler, $uuid)
{
$this->uuid = $uuid;
$expression = $this->getEditedExpression($rules_ui_handler->getComponent());
return $this->t('Edit @expression', ['@expression' => $expression->getLabel()]);
}
