devel_wizard-2.x-dev/templates/spell/entity_type/config/add_form.php.twig

{% set parentClassName = 'BundleEntityFormBase' %}
{% if goal == 'config' %}
  {%- set parentClassName = 'EntityForm' %}
{% endif %}
{% set parentClassFqn = 'Drupal\\Core\\Entity\\' ~ parentClassName %}
{%
  include '@devel_wizard/php/devel_wizard.php.file.header.php.twig'
  with {
    'namespace': config.namespace,
  }
%}

use {{ config.class_fqn ~}};
use {{ parentClassFqn }};
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Form\FormStateInterface;

class AddForm extends {{ parentClassName }} {

  /**
   * The entity being used by this form.
   *
   * @var \{{ config.interface_fqn }}
   */
  protected $entity;

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

    $keys = $this->entity->getEntityType()->getKeys();

    $form[$keys['label']] = [
      '#type' => 'textfield',
      '#title' => $this->t('Label'),
      '#default_value' => $this->entity->label(),
      '#description' => $this->t(
        'The human-readable name of this %entityType.label. This name must be unique.',
        [
          '%entityType.label' => $this->entity->getEntityType()->getLabel(),
        ],
      ),
      '#required' => TRUE,
      '#size' => 30,
    ];

    $form[$keys['id']] = [
      '#type' => 'machine_name',
      '#title' => $this->t('Machine-readable name'),
      '#default_value' => $this->entity->id(),
      '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
      '#disabled' => !$this->entity->isNew(),
      '#machine_name' => [
        'exists' => [{{ config.class }}::class, 'load'],
        'source' => [$keys['label']],
      ],
      '#description' => $this->t(
        'A unique machine-readable name for this %entityType.label. It must only contain lowercase letters, numbers, and underscores.',
        [
          '%entityType.label' => $this->entity->getEntityType()->getLabel(),
        ],
      ),
    ];

    {# @todo Different description based on "goal". #}
    $form['description'] = [
      '#title' => $this->t('Description'),
      '#type' => 'textarea',
      '#default_value' => $this->entity->get('description'),
      '#description' => $this->t(
        'This text will be displayed on the <em>Add new %entityType.label</em> page.',
        [
          '%entityType.label' => $this->entity->getEntityType()->getLabel(),
        ],
      ),
    ];

    {# @todo Different description based on "goal". #}
    $form['help'] = [
      '#title' => $this->t('Help'),
      '#type' => 'textarea',
      '#default_value' => $this->entity->get('help'),
      '#description' => $this->t(
        'This text will be displayed on the <em>Add new %entityType.label</em> page.',
        [
          '%entityType.label' => $this->entity->getEntityType()->getLabel(),
        ],
      ),
    ];

    $form['weight'] = [
      '#type' => 'number',
      '#required' => TRUE,
      '#title' => $this->t('Weight'),
      '#default_value' => $this->entity->get('weight') ?: 0,
      '#min' => -100,
      '#max' => 100,
      '#step' => 1,
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $save_result = parent::save($form, $form_state);
    $this->saveSetMessage();

    $route_name = 'entity.' . $this->entity->getEntityTypeId() . '.collection';
    $form_state->setRedirect($route_name);

    return $save_result;
  }

  /**
   * Place a status message after save.
   */
  protected function saveSetMessage() {
    $args = [
      '%label' => $this->entity->label(),
      '@type' => $this->entity->getEntityType()->getLabel(),
    ];

    $messenger = $this->messenger();
    switch ($this->getOperation()) {
      case 'add':
        $messenger->addStatus($this->t('"%label" @type has been created', $args));
        break;

      case 'edit':
        $messenger->addStatus($this->t('"%label" @type has been updated', $args));
        break;

    }
  }

}