outlook_calendar-8.x-4.1/src/Plugin/Block/OutlookCalendarBlock.php

<?php

namespace Drupal\outlook_calendar\Plugin\Block;

use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormBuilderInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a 'Outlook Calendar Block' block.
 *
 * @Block(
 *  id = "outlook_calendar_events",
 *  admin_label = @Translation("Outlook Events"),
 * )
 */
class OutlookCalendarBlock extends BlockBase implements ContainerFactoryPluginInterface {
  /**
   * The form builder.
   *
   * @var \Drupal\Core\Form\FormBuilderInterface
   */
  protected $formBuilder;

  /**
   * Class Constructor.
   *
   * @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 $formBuilder
   *   The Form Builder.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, FormBuilderInterface $formBuilder) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->formBuilder = $formBuilder;
  }

  /**
   * {@inheritdoc}
   *
   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
   *   The Container.
   * @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.
   *
   * @return static
   */
  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() {
    $form = $this->formBuilder->getForm('Drupal\outlook_calendar\Form\OutlookEventForm');
    return $form;
  }

}