<?php

/**
 * @file
 * Provides workflow functionality.
 */

use Drupal\state_machine\Form\StateTransitionConfirmForm;

/**
 * Implements hook_field_widget_info_alter().
 */
function state_machine_field_widget_info_alter(array &$info) {
  $info['options_select']['field_types'][] = 'state';
}

/**
 * Implements hook_field_formatter_info_alter().
 */
function state_machine_field_formatter_info_alter(array &$info) {
  $info['list_default']['field_types'][] = 'state';
}

/**
 * Implements hook_entity_type_alter().
 */
function state_machine_entity_type_alter(array &$entity_types) {
  /** @var \Drupal\Core\Entity\EntityTypeInterface[] $entity_types */
  foreach ($entity_types as $entity_type) {
    // Sets a default state-transition-confirm form class for all entity types
    // defining a "state-transition-form" link template.
    if (!$entity_type->hasLinkTemplate('state-transition-form') ||
      $entity_type->getFormClass('state-transition-confirm')) {
      continue;
    }
    $entity_type->setFormClass('state-transition-confirm', StateTransitionConfirmForm::class);
  }
}