abstract class MultiWidthLayoutBase in Drupal 8

Base class of layouts with configurable widths.

@internal Plugin classes are internal.

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\Core\Layout\LayoutDefault implements LayoutInterface, PluginFormInterface
      • class \Drupal\layout_builder\Plugin\Layout\MultiWidthLayoutBase implements PluginFormInterface

File

core/modules/layout_builder/src/Plugin/Layout/MultiWidthLayoutBase.php, line 15

Namespace

Drupal\layout_builder\Plugin\Layout

abstract class MultiWidthLayoutBase extends LayoutDefault implements PluginFormInterface {

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    $configuration = parent::defaultConfiguration();
    return $configuration + [
      'column_widths' => $this
        ->getDefaultWidth(),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['column_widths'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Column widths'),
      '#default_value' => $this->configuration['column_widths'],
      '#options' => $this
        ->getWidthOptions(),
      '#description' => $this
        ->t('Choose the column widths for this layout.'),
    ];
    return parent::buildConfigurationForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $this->configuration['column_widths'] = $form_state
      ->getValue('column_widths');
  }

  /**
   * {@inheritdoc}
   */
  public function build(array $regions) {
    $build = parent::build($regions);
    $build['#attributes']['class'] = [
      'layout',
      $this
        ->getPluginDefinition()
        ->getTemplate(),
      $this
        ->getPluginDefinition()
        ->getTemplate() . '--' . $this->configuration['column_widths'],
    ];
    return $build;
  }

  /**
   * Gets the width options for the configuration form.
   *
   * The first option will be used as the default 'column_widths' configuration
   * value.
   *
   * @return string[]
   *   The width options array where the keys are strings that will be added to
   *   the CSS classes and the values are the human readable labels.
   */
  protected abstract function getWidthOptions();

  /**
   * Provides a default value for the width options.
   *
   * @return string
   *   A key from the array returned by ::getWidthOptions().
   */
  protected function getDefaultWidth() {

    // Return the first available key from the list of options.
    $width_classes = array_keys($this
      ->getWidthOptions());
    return array_shift($width_classes);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_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
LayoutDefault::$pluginDefinition	protected	property	The layout definition. Overrides PluginBase::$pluginDefinition
LayoutDefault::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies	2
LayoutDefault::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
LayoutDefault::getPluginDefinition	public	function	Overrides PluginBase::getPluginDefinition
LayoutDefault::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
LayoutDefault::validateConfigurationForm	public	function	Form validation handler. Overrides PluginFormInterface::validateConfigurationForm	1
LayoutDefault::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
MultiWidthLayoutBase::build	public	function	Build a render array for layout with regions. Overrides LayoutDefault::build
MultiWidthLayoutBase::buildConfigurationForm	public	function	Form constructor. Overrides LayoutDefault::buildConfigurationForm
MultiWidthLayoutBase::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides LayoutDefault::defaultConfiguration
MultiWidthLayoutBase::getDefaultWidth	protected	function	Provides a default value for the width options.	2
MultiWidthLayoutBase::getWidthOptions	abstract protected	function	Gets the width options for the configuration form.	2
MultiWidthLayoutBase::submitConfigurationForm	public	function	Form submission handler. Overrides LayoutDefault::submitConfigurationForm
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
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
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.