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class AjaxFormBlock in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/system/tests/modules/ajax_forms_test/src/Plugin/Block/AjaxFormBlock.php \Drupal\ajax_forms_test\Plugin\Block\AjaxFormBlock

Provides an AJAX form block.

Plugin annotation


@Block(
  id = "ajax_forms_test_block",
  admin_label = @Translation("AJAX test form"),
  category = @Translation("Forms")
)

Hierarchy

Expanded class hierarchy of AjaxFormBlock

File

core/modules/system/tests/modules/ajax_forms_test/src/Plugin/Block/AjaxFormBlock.php, line 26
Contains \Drupal\ajax_forms_test\Plugin\Block\AjaxFormBlock.

Namespace

Drupal\ajax_forms_test\Plugin\Block
View source 
class AjaxFormBlock extends BlockBase implements FormInterface, ContainerFactoryPluginInterface {

  /**
   * The form builder.
   *
   * @var \Drupal\Core\Form\FormBuilderInterface
   */
  protected $formBuilder;

  /**
   * Constructs a new AjaxFormBlock.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin ID for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
   *   The form builder.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, FormBuilderInterface $form_builder) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->formBuilder = $form_builder;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('form_builder'));
  }

  /**
   * {@inheritdoc}
   */
  public function build() {
    return $this->formBuilder
      ->getForm($this);
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'ajax_forms_test_block';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['test1'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Test 1'),
      '#required' => TRUE,
      '#options' => [
        'option1' => $this
          ->t('Option 1'),
        'option2' => $this
          ->t('Option 2'),
      ],
      '#ajax' => [
        'callback' => '::updateOptions',
        'wrapper' => 'edit-test1-wrapper',
      ],
      '#prefix' => '<div id="edit-test1-wrapper">',
      '#suffix' => '</div>',
    ];
    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Submit'),
    ];
    return $form;
  }

  /**
   * Updates the options of a select list.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   *
   * @return array
   *   The updated form element.
   */
  public function updateOptions(array $form, FormStateInterface $form_state) {
    $form['test1']['#options']['option1'] = $this
      ->t('Option 1!!!');
    $form['test1']['#options'] += [
      'option3' => $this
        ->t('Option 3'),
      'option4' => $this
        ->t('Option 4'),
    ];
    return $form['test1'];
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    drupal_set_message('Submission successful.');
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AjaxFormBlock::$formBuilder protected property The form builder.
AjaxFormBlock::build public function Builds and returns the renderable array for this block plugin. Overrides BlockPluginInterface::build
AjaxFormBlock::buildForm public function Form constructor. Overrides FormInterface::buildForm
AjaxFormBlock::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
AjaxFormBlock::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId
AjaxFormBlock::submitForm public function Form submission handler. Overrides FormInterface::submitForm
AjaxFormBlock::updateOptions public function Updates the options of a select list.
AjaxFormBlock::validateForm public function Form validation handler. Overrides FormInterface::validateForm
AjaxFormBlock::__construct public function Constructs a new AjaxFormBlock. Overrides BlockBase::__construct
BlockBase::$transliteration protected property The transliteration service.
BlockBase::access public function Indicates whether the block should be shown. Overrides BlockPluginInterface::access
BlockBase::baseConfigurationDefaults protected function Returns generic default configuration for block plugins.
BlockBase::blockAccess protected function Indicates whether the block should be shown. 12
BlockBase::blockForm public function Returns the configuration form elements specific to this block plugin. Overrides BlockPluginInterface::blockForm 11
BlockBase::blockSubmit public function Adds block type-specific submission handling for the block form. Overrides BlockPluginInterface::blockSubmit 10
BlockBase::blockValidate public function Adds block type-specific validation for the block form. Overrides BlockPluginInterface::blockValidate 1
BlockBase::buildConfigurationForm public function Creates a generic configuration form for all block types. Individual block plugins can add elements to this form by overriding BlockBase::blockForm(). Most block plugins should not override this method unless they need to alter the generic form elements. Overrides PluginFormInterface::buildConfigurationForm 1
BlockBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
BlockBase::defaultConfiguration public function Gets default configuration for this plugin. Overrides ConfigurablePluginInterface::defaultConfiguration 14
BlockBase::getConfiguration public function Gets this plugin's configuration. Overrides ConfigurablePluginInterface::getConfiguration 1
BlockBase::getMachineNameSuggestion public function Suggests a machine name to identify an instance of this block. Overrides BlockPluginInterface::getMachineNameSuggestion 1
BlockBase::label public function Returns the user-facing block label. Overrides BlockPluginInterface::label
BlockBase::setConfiguration public function Sets the configuration for this plugin instance. Overrides ConfigurablePluginInterface::setConfiguration
BlockBase::setConfigurationValue public function Sets a particular value in the block settings. Overrides BlockPluginInterface::setConfigurationValue
BlockBase::setTransliteration public function Sets the transliteration service.
BlockBase::submitConfigurationForm public function Most block plugins should not override this method. To add submission handling for a specific block type, override BlockBase::blockSubmit(). Overrides PluginFormInterface::submitConfigurationForm
BlockBase::transliteration protected function Wraps the transliteration service.
BlockBase::validateConfigurationForm public function Most block plugins should not override this method. To add validation for a specific block type, override BlockBase::blockValidate(). Overrides PluginFormInterface::validateConfigurationForm
ContextAwarePluginAssignmentTrait::addContextAssignmentElement protected function Builds a form element for assigning a context to a given slot.
ContextAwarePluginAssignmentTrait::contextHandler protected function Wraps the context handler.
ContextAwarePluginAssignmentTrait::t abstract protected function Ensures the t() method is available.
ContextAwarePluginBase::$context protected property The data objects representing the context of this plugin.
ContextAwarePluginBase::createContextFromConfiguration protected function Overrides ContextAwarePluginBase::createContextFromConfiguration
ContextAwarePluginBase::getCacheContexts public function 9
ContextAwarePluginBase::getCacheMaxAge public function 7
ContextAwarePluginBase::getCacheTags public function 4
ContextAwarePluginBase::getContext public function Overrides ContextAwarePluginBase::getContext
ContextAwarePluginBase::getContextDefinition public function Overrides ContextAwarePluginBase::getContextDefinition
ContextAwarePluginBase::getContextDefinitions public function Overrides ContextAwarePluginBase::getContextDefinitions
ContextAwarePluginBase::getContextMapping public function Gets a mapping of the expected assignment names to their context names. Overrides ContextAwarePluginInterface::getContextMapping
ContextAwarePluginBase::getContexts public function Gets the defined contexts. Overrides ContextAwarePluginInterface::getContexts
ContextAwarePluginBase::getContextValue public function Gets the value for a defined context. Overrides ContextAwarePluginInterface::getContextValue
ContextAwarePluginBase::getContextValues public function Gets the values for all defined contexts. Overrides ContextAwarePluginInterface::getContextValues
ContextAwarePluginBase::setContext public function Set a context on this plugin. Overrides ContextAwarePluginBase::setContext
ContextAwarePluginBase::setContextMapping public function Sets a mapping of the expected assignment names to their context names. Overrides ContextAwarePluginInterface::setContextMapping
ContextAwarePluginBase::setContextValue public function Sets the value for a defined context. Overrides ContextAwarePluginBase::setContextValue
ContextAwarePluginBase::validateContexts public function Validates the set values for the defined contexts. Overrides ContextAwarePluginInterface::validateContexts
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
PluginBase::$configuration protected property Configuration information passed into the plugin. 2
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
StringTranslationTrait::$stringTranslation protected property The string translation service.
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
TypedDataTrait::$typedDataManager protected property The typed data manager used for creating the data types.
TypedDataTrait::getTypedDataManager public function Gets the typed data manager. 1
TypedDataTrait::setTypedDataManager public function Sets the typed data manager. 1