class TestSettingsValidationBlock

Provides a test settings validation block.

Plugin annotation

@Block(
 id = "test_settings_validation",
 admin_label = @Translation("Test settings validation block"),
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
  • class \Drupal\Component\Plugin\ContextAwarePluginBase extends \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\ContextAwarePluginInterface
    • class \Drupal\Core\Plugin\ContextAwarePluginBase extends \Drupal\Component\Plugin\ContextAwarePluginBase implements \Drupal\Core\Plugin\ContextAwarePluginInterface, \Drupal\Core\Cache\CacheableDependencyInterface uses \Drupal\Core\TypedData\TypedDataTrait, \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait
      • class \Drupal\Core\Block\BlockBase extends \Drupal\Core\Plugin\ContextAwarePluginBase implements \Drupal\Core\Block\BlockPluginInterface, \Drupal\Core\Plugin\PluginWithFormsInterface, \Drupal\Core\Render\PreviewFallbackInterface uses \Drupal\Core\Block\BlockPluginTrait, \Drupal\Core\Plugin\ContextAwarePluginAssignmentTrait
        • class \Drupal\block_test\Plugin\Block\TestSettingsValidationBlock extends \Drupal\Core\Block\BlockBase

Expanded class hierarchy of TestSettingsValidationBlock

File

core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php, line 16

Namespace

class TestSettingsValidationBlock extends BlockBase {
    
    /**
     * {@inheritdoc}
     */
    public function blockForm($form, FormStateInterface $form_state) {
        return [
            'digits' => [
                '#type' => 'textfield',
            ],
        ] + $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function blockValidate($form, FormStateInterface $form_state) {
        if (!ctype_digit($form_state->getValue('digits'))) {
            $form_state->setErrorByName('digits', $this->t('Only digits are allowed'));
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function build() {
        return [
            '#markup' => 'foo',
        ];
    }

}

Members