BlockFieldSelectionBase.php in Block field 8

Namespace

Drupal\block_field

File

src/BlockFieldSelectionBase.php

<?php

namespace Drupal\block_field;

use Drupal\Component\Plugin\ConfigurableInterface;
use Drupal\Component\Plugin\PluginBase;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Form\FormStateInterface;

/**
 * Base class for Block field selection plugins.
 */
abstract class BlockFieldSelectionBase extends PluginBase implements BlockFieldSelectionInterface, ConfigurableInterface {

  /**
   * Constructs a new selection object.
   *
   * @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.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this
      ->setConfiguration($configuration);
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    return $form;
  }

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

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

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    return $this->configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function setConfiguration(array $configuration) {

    // Merge in defaults.
    $this->configuration = NestedArray::mergeDeep($this
      ->defaultConfiguration(), $configuration);
  }

  /**
   * Move settings up a level for easier processing and storage.
   */
  public function formProcessMergeParent($element) {
    $parents = $element['#parents'];
    array_pop($parents);
    $element['#parents'] = $parents;
    return $element;
  }

}

Classes

Name	Description
BlockFieldSelectionBase	Base class for Block field selection plugins.