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

<?php

namespace Drupal\crm_core_activity\Form;

use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class ActivityTypeForm.
 *
 * Form for edit activity types.
 *
 * @package Drupal\crm_core_activity\Form
 */
class ActivityTypeForm extends EntityForm {

  /**
   * The Messenger service.
   *
   * @var \Drupal\Core\Messenger\MessengerInterface
   */
  protected $messenger;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    $instance = parent::create($container);
    $instance->messenger = $container->get('messenger');

    return $instance;
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);

    /** @var \Drupal\crm_core_activity\Entity\ActivityType $type */
    $type = $this->entity;

    $form['name'] = [
      '#title' => $this->t('Name'),
      '#type' => 'textfield',
      '#default_value' => $type->name,
      '#description' => $this->t('The human-readable name of this activity type. It is recommended that this name begin with a capital letter and contain only letters, numbers, and spaces. This name must be unique.'),
      '#required' => TRUE,
      '#size' => 32,
    ];

    $form['type'] = [
      '#type' => 'machine_name',
      '#default_value' => $type->id(),
      '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
    // '#disabled' => $type->isLocked(),
      '#machine_name' => [
        'exists' => 'Drupal\crm_core_activity\Entity\ActivityType::load',
        'source' => ['name'],
      ],
      '#description' => $this->t('A unique machine-readable name for this activity type. It must only contain lowercase letters, numbers, and underscores.'),
    ];

    $form['description'] = [
      '#title' => $this->t('Description'),
      '#type' => 'textarea',
      '#default_value' => $type->description,
      '#description' => $this->t('Describe this activity type.'),
    ];

    // Primary fields section.
    $form['activity_string_container'] = [
      '#type' => 'fieldset',
      '#title' => $this->t('Display settings'),
    ];

    $form['activity_string_container']['activity_string'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Activity string'),
      '#description' => $this->t('Enter text describing the relationship between the contact and this activity. For example: Someone Somewhere registered for this activity.'),
      '#default_value' => empty($type->activity_string) ? '' : $type->activity_string,
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state) {
    $actions = parent::actions($form, $form_state);
    $actions['submit']['#value'] = $this->t('Save activity type');
    $actions['delete']['#title'] = $this->t('Delete activity type');
    return $actions;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $type = $this->entity;

    $status = $type->save();

    $t_args = ['%name' => $type->label()];

    if ($status == SAVED_UPDATED) {
      $this->messenger->addMessage($this->t('The activity type %name has been updated.', $t_args));
    }
    elseif ($status == SAVED_NEW) {
      $this->messenger->addMessage($this->t('The activity type %name has been added.', $t_args));
      $this->logger('crm_core_activity')->notice('Added activity type %name.', $t_args);
    }

    $form_state->setRedirect('entity.crm_core_activity_type.collection');

    return $status;
  }

}