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1<?php
2
3declare(strict_types=1);
4
5namespace Drupal\display_builder\Form;
6
7use Drupal\Core\Entity\EntityForm;
8use Drupal\Core\Entity\EntityInterface;
9use Drupal\Core\Form\FormStateInterface;
10use Drupal\Core\Form\SubformState;
11use Drupal\Core\Plugin\PluginFormInterface;
12use Drupal\Core\Routing\RouteMatchInterface;
13use Drupal\display_builder\Entity\Profile;
14use Drupal\display_builder\IslandInterface;
15use Drupal\display_builder\IslandPluginManagerInterface;
16use Symfony\Component\DependencyInjection\ContainerInterface;
17use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
18
19/**
20 * Display builder plugin form.
21 */
22final class ProfileIslandPluginForm extends EntityForm {
23
24  /**
25   * The route parameter for the island plugin.
26   */
27  protected string $islandId;
28
29  /**
30   * The island plugin.
31   */
32  private ?IslandInterface $island = NULL;
33
34  public function __construct(
35    protected IslandPluginManagerInterface $islandPluginManager,
36  ) {}
37
38  /**
39   * Returns the title of the edit plugin form.
40   *
41   * @param string $island_id
42   *   The island ID.
43   *
44   * @return string
45   *   The title of the edit plugin form.
46   */
47  public static function editFormTitle(string $island_id): string {
48    /** @var \Drupal\display_builder\IslandInterface $island */
49    $island = \Drupal::service('plugin.manager.db_island')->createInstance($island_id, []);
50
51    return $island->label();
52  }
53
54  /**
55   * {@inheritdoc}
56   */
57  public static function create(ContainerInterface $container): ProfileIslandPluginForm {
58    return new self(
59      $container->get('plugin.manager.db_island')
60    );
61  }
62
63  /**
64   * {@inheritdoc}
65   */
66  public function getEntityFromRouteMatch(RouteMatchInterface $route_match, $entity_type_id): EntityInterface {
67    $this->islandId = $route_match->getParameter('island_id');
68
69    return parent::getEntityFromRouteMatch($route_match, $entity_type_id);
70  }
71
72  /**
73   * {@inheritdoc}
74   */
75  public function validateForm(array &$form, FormStateInterface $form_state): void {
76    parent::validateForm($form, $form_state);
77    $island = $this->getIslandPlugin();
78
79    if ($island instanceof PluginFormInterface) {
80      $subform_state = SubformState::createForSubform($form['configuration'], $form, $form_state);
81      $island->validateConfigurationForm($form['configuration'], $subform_state);
82    }
83  }
84
85  /**
86   * {@inheritdoc}
87   */
88  public function form(array $form, FormStateInterface $form_state): array {
89    $form = parent::form($form, $form_state);
90    $island = $this->getIslandPlugin();
91
92    if (!($island instanceof PluginFormInterface)) {
93      throw new AccessDeniedHttpException('The island plugin does not support configuration.');
94    }
95    $form['configuration'] = [
96      '#type' => 'container',
97      '#tree' => TRUE,
98    ];
99    $subform_state = SubformState::createForSubform($form['configuration'], $form, $form_state);
100    $form['configuration'] = $island->buildConfigurationForm($form['configuration'], $subform_state);
101
102    return $form;
103  }
104
105  /**
106   * {@inheritdoc}
107   */
108  public function save(array $form, FormStateInterface $form_state): int {
109    $result = parent::save($form, $form_state);
110
111    // Clear the plugin cache so changes are applied on front theme builder.
112    /** @var \Drupal\Core\Plugin\CachedDiscoveryClearerInterface $pluginCacheClearer */
113    $pluginCacheClearer = \Drupal::service('plugin.cache_clearer'); // phpcs:ignore
114    $pluginCacheClearer->clearCachedDefinitions();
115
116    $message_args = ['%label' => $this->entity->label()];
117    $this->messenger()->addStatus(
118      match ($result) {
119        SAVED_NEW => $this->t('Created new display builder config %label.', $message_args),
120        SAVED_UPDATED => $this->t('Updated display builder config %label.', $message_args),
121        default => '',
122      }
123    );
124
125    return $result;
126  }
127
128  /**
129   * {@inheritdoc}
130   */
131  protected function actions(array $form, FormStateInterface $form_state): array {
132    $actions = parent::actions($form, $form_state);
133    unset($actions['delete']);
134
135    return $actions;
136  }
137
138  /**
139   * {@inheritdoc}
140   */
141  protected function copyFormValuesToEntity(EntityInterface $entity, array $form, FormStateInterface $form_state): void {
142    \assert($entity instanceof Profile);
143    parent::copyFormValuesToEntity($entity, $form, $form_state);
144    $island = $this->getIslandPlugin();
145
146    if ($island instanceof PluginFormInterface) {
147      $subform_state = SubformState::createForSubform($form['configuration'], $form, $form_state);
148      $island->submitConfigurationForm($form['configuration'], $subform_state);
149      $entity->setIslandConfiguration($this->islandId, $island->getConfiguration());
150    }
151  }
152
153  /**
154   * Retrieves the configured island plugin.
155   */
156  private function getIslandPlugin(): IslandInterface {
157    if ($this->island !== NULL) {
158      return $this->island;
159    }
160    /** @var \Drupal\display_builder\Entity\Profile $entity */
161    $entity = $this->entity;
162    $island_configuration = $entity->getIslandConfiguration($this->islandId);
163    $island = $this->islandPluginManager->createInstance($this->islandId, $island_configuration);
164    \assert($island instanceof IslandInterface);
165    $this->island = $island;
166
167    return $this->island;
168  }
169
170}