function ValidationErrorBlock::validateConfigurationForm

Most block plugins should not override this method. To add validation for a specific block type, override BlockBase::blockValidate().

Overrides BlockPluginTrait::validateConfigurationForm

File

core/modules/settings_tray/tests/modules/settings_tray_test/src/Plugin/Block/ValidationErrorBlock.php, line 31

Class

ValidationErrorBlock

Provides a 'Block with validation error' test block.

Namespace

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) : void {
  parent::validateConfigurationForm($form, $form_state);
  $form_state->setError($form['label'], 'System error. Save again.');
}