crm_core-8.x-3.x-dev/modules/crm_core_activity/src/ActivityListBuilder.php

<?php

namespace Drupal\crm_core_activity;

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityListBuilder;
use Drupal\Core\Entity\EntityTypeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Activity List Builder.
 */
class ActivityListBuilder extends EntityListBuilder {

  /**
   * {@inheritdoc}
   */
  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
    return new static(
      $entity_type,
      $container->get('entity_type.manager')->getStorage($entity_type->id())
    );
  }

  /**
   * {@inheritdoc}
   */
  public function buildHeader() {
    $header = [];

    $header['date'] = $this->t('Activity Date');
    $header['title'] = $this->t('Title');
    $header['type'] = $this->t('Activity type');

    return $header + parent::buildHeader();
  }

  /**
   * {@inheritdoc}
   */
  public function buildRow(EntityInterface $entity) {
    $row = [];

    $row['date']['data'] = $entity->get('activity_date')->view([
      'label' => 'hidden',
    ]);

    $row['title']['data'] = [
      '#type' => 'link',
      '#title' => $entity->label(),
      '#url' => $entity->toUrl(),
    ];

    $row['type'] = $entity->get('type')->entity->label();

    return $row + parent::buildRow($entity);
  }

  /**
   * {@inheritdoc}
   */
  public function render() {
    $build = parent::render();

    $build['table']['#empty'] = $this->t('There are no activities available.');

    return $build;
  }

}