public function ExpressionBase::getFormHandler in Rules 8.3

Returns the form handling class for this expression.

Return value

\Drupal\rules\Form\Expression\ExpressionFormInterface|null The form handling object if there is one, NULL otherwise.

Overrides ExpressionInterface::getFormHandler

2 methods override ExpressionBase::getFormHandler()

ActionExpression::getFormHandler in src/Plugin/RulesExpression/ActionExpression.php

Returns the form handling class for this expression.

ConditionExpression::getFormHandler in src/Plugin/RulesExpression/ConditionExpression.php

Returns the form handling class for this expression.

File

src/Engine/ExpressionBase.php, line 117

Class

ExpressionBase

Base class for rules expressions.

Namespace

Drupal\rules\Engine

Code

public function getFormHandler() {
  if (isset($this->pluginDefinition['form_class'])) {
    $class_name = $this->pluginDefinition['form_class'];
    return new $class_name($this);
  }
}