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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder_page_layout\Entity; |
| 6 | |
| 7 | use Drupal\Core\Condition\ConditionPluginCollection; |
| 8 | use Drupal\Core\Config\Entity\ConfigEntityBase; |
| 9 | use Drupal\Core\Entity\Attribute\ConfigEntityType; |
| 10 | use Drupal\Core\Entity\EntityDeleteForm; |
| 11 | use Drupal\Core\Entity\EntityStorageInterface; |
| 12 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 13 | use Drupal\display_builder\DisplayBuildableInterface; |
| 14 | use Drupal\display_builder\InstanceInterface; |
| 15 | use Drupal\display_builder\ProfileInterface; |
| 16 | use Drupal\display_builder_page_layout\AccessControlHandler; |
| 17 | use Drupal\display_builder_page_layout\Form\PageLayoutForm; |
| 18 | use Drupal\display_builder_page_layout\PageLayoutInterface; |
| 19 | use Drupal\display_builder_page_layout\PageLayoutListBuilder; |
| 20 | use Drupal\ui_patterns\SourcePluginManager; |
| 21 | |
| 22 | /** |
| 23 | * Defines the page layout entity type. |
| 24 | */ |
| 25 | #[ConfigEntityType( |
| 26 | id: 'page_layout', |
| 27 | label: new TranslatableMarkup('Page layout'), |
| 28 | label_collection: new TranslatableMarkup('Page layouts'), |
| 29 | label_singular: new TranslatableMarkup('page layout'), |
| 30 | label_plural: new TranslatableMarkup('page layouts'), |
| 31 | config_prefix: 'page_layout', |
| 32 | entity_keys: [ |
| 33 | 'id' => 'id', |
| 34 | 'label' => 'label', |
| 35 | 'weight' => 'weight', |
| 36 | 'uuid' => 'uuid', |
| 37 | ], |
| 38 | handlers: [ |
| 39 | 'access' => AccessControlHandler::class, |
| 40 | 'list_builder' => PageLayoutListBuilder::class, |
| 41 | 'form' => [ |
| 42 | 'add' => PageLayoutForm::class, |
| 43 | 'edit' => PageLayoutForm::class, |
| 44 | 'delete' => EntityDeleteForm::class, |
| 45 | ], |
| 46 | ], |
| 47 | links: [ |
| 48 | 'collection' => '/admin/structure/page-layout', |
| 49 | 'add-form' => '/admin/structure/page-layout/add', |
| 50 | 'edit-form' => '/admin/structure/page-layout/{page_layout}', |
| 51 | 'display-builder' => '/admin/structure/page-layout/{page_layout}/builder', |
| 52 | 'delete-form' => '/admin/structure/page-layout/{page_layout}/delete', |
| 53 | 'duplicate-form' => '/admin/structure/page-layout/{page_layout}/duplicate', |
| 54 | ], |
| 55 | admin_permission: 'administer page_layout', |
| 56 | label_count: [ |
| 57 | 'singular' => '@count page layout', |
| 58 | 'plural' => '@count page layouts', |
| 59 | ], |
| 60 | config_export: [ |
| 61 | 'id', |
| 62 | 'label', |
| 63 | 'weight', |
| 64 | DisplayBuildableInterface::PROFILE_PROPERTY, |
| 65 | DisplayBuildableInterface::SOURCES_PROPERTY, |
| 66 | 'conditions', |
| 67 | ], |
| 68 | )] |
| 69 | final class PageLayout extends ConfigEntityBase implements PageLayoutInterface { |
| 70 | |
| 71 | /** |
| 72 | * The ID of the page layout entity. |
| 73 | * |
| 74 | * This property's type was changed from `string` to `?string` (nullable) |
| 75 | * to support the entity duplication process. The original non-nullable type |
| 76 | * would cause a fatal error, as a new, duplicated entity does not have an |
| 77 | * ID until it is saved. |
| 78 | * |
| 79 | * @var string|null |
| 80 | * The unique identifier for the page layout. |
| 81 | */ |
| 82 | protected ?string $id; |
| 83 | |
| 84 | /** |
| 85 | * The example label. |
| 86 | */ |
| 87 | protected string $label; |
| 88 | |
| 89 | /** |
| 90 | * Weight of this page layout when negotiating the page variant. |
| 91 | * |
| 92 | * The first/lowest that is accessible according to conditions is loaded. |
| 93 | * |
| 94 | * @var int |
| 95 | */ |
| 96 | protected $weight = 0; |
| 97 | |
| 98 | /** |
| 99 | * Display Builder Profile ID. |
| 100 | */ |
| 101 | protected string $profile = ''; |
| 102 | |
| 103 | /** |
| 104 | * A list of sources plugins. |
| 105 | * |
| 106 | * @var array |
| 107 | */ |
| 108 | protected $sources = []; |
| 109 | |
| 110 | /** |
| 111 | * Condition settings for storage. |
| 112 | * |
| 113 | * @var array |
| 114 | */ |
| 115 | protected $conditions = []; |
| 116 | |
| 117 | /** |
| 118 | * The loaded display builder instance. |
| 119 | */ |
| 120 | protected ?InstanceInterface $instance; |
| 121 | |
| 122 | /** |
| 123 | * The conditions plugins for this page. |
| 124 | */ |
| 125 | private ConditionPluginCollection $conditionPluginCollection; |
| 126 | |
| 127 | /** |
| 128 | * {@inheritdoc} |
| 129 | */ |
| 130 | public function getPluginCollections(): array { |
| 131 | return [ |
| 132 | 'conditions' => $this->getConditions(), |
| 133 | ]; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * {@inheritdoc} |
| 138 | */ |
| 139 | public function getConditions(): ConditionPluginCollection { |
| 140 | if (!isset($this->conditionPluginCollection)) { |
| 141 | // Static call because EntityBase and descendants don't support |
| 142 | // dependency injection. |
| 143 | $manager = \Drupal::service('plugin.manager.condition'); |
| 144 | $this->conditionPluginCollection = new ConditionPluginCollection($manager, $this->get('conditions')); |
| 145 | } |
| 146 | |
| 147 | return $this->conditionPluginCollection; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * {@inheritdoc} |
| 152 | */ |
| 153 | public function calculateDependencies(): PageLayout { |
| 154 | parent::calculateDependencies(); |
| 155 | $display_builder = $this->getProfile(); |
| 156 | $instance = $this->getInstance(); |
| 157 | |
| 158 | if ($display_builder && $instance) { |
| 159 | $this->addDependency('config', $display_builder->getConfigDependencyName()); |
| 160 | $contexts = $instance->getContexts() ?? []; |
| 161 | |
| 162 | foreach ($this->displayBuildable()->getSources() as $source_data) { |
| 163 | /** @var \Drupal\ui_patterns\SourceInterface $source */ |
| 164 | $source = $this->sourceManager()->getSource('', [], $source_data, $contexts); |
| 165 | $this->addDependencies($source->calculateDependencies()); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | return $this; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * {@inheritdoc} |
| 174 | */ |
| 175 | public function delete(): void { |
| 176 | if ($this->getInstance()) { |
| 177 | $storage = $this->entityTypeManager()->getStorage('display_builder_instance'); |
| 178 | $storage->delete([$this->getInstance()]); |
| 179 | } |
| 180 | |
| 181 | parent::delete(); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * {@inheritdoc} |
| 186 | */ |
| 187 | public function postSave(EntityStorageInterface $storage, $update = TRUE): void { |
| 188 | $this->displayBuildable()->initInstanceIfMissing(); |
| 189 | $instance = $this->getInstance(); |
| 190 | |
| 191 | // Save the profile in the instance if changed. |
| 192 | if ($instance->getProfile()?->id() !== $this->profile) { |
| 193 | $instance->setProfile($this->profile); |
| 194 | $instance->save(); |
| 195 | } |
| 196 | |
| 197 | if ($this->isImpactingPageVariantDetection($update)) { |
| 198 | // In DisplayBuilderPageVariant we add PageLayout::>getCacheTags() to the |
| 199 | // page renderable but it works only for the pages already managed by |
| 200 | // Display Builder. |
| 201 | // In PageVariantSubscriber::onSelectPageDisplayVariant() we add a custom |
| 202 | // tag for the others. |
| 203 | /** @var \Drupal\Core\Config\Entity\ConfigEntityTypeInterface $entity_type */ |
| 204 | $entity_type = $this->getEntityType(); |
| 205 | \Drupal::service('cache_tags.invalidator')->invalidateTags([$entity_type->getConfigPrefix()]); |
| 206 | } |
| 207 | |
| 208 | parent::postSave($storage, $update); |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * {@inheritdoc} |
| 213 | */ |
| 214 | public function getProfile(): ?ProfileInterface { |
| 215 | $storage = $this->entityTypeManager()->getStorage('display_builder_profile'); |
| 216 | $profile_id = $this->get(DisplayBuildableInterface::PROFILE_PROPERTY); |
| 217 | |
| 218 | if (!$profile_id) { |
| 219 | return NULL; |
| 220 | } |
| 221 | |
| 222 | /** @var \Drupal\display_builder\ProfileInterface $builder */ |
| 223 | $builder = $storage->load($profile_id); |
| 224 | |
| 225 | return $builder; |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * {@inheritdoc} |
| 230 | */ |
| 231 | public function getSources(): array { |
| 232 | return $this->sources; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * {@inheritdoc} |
| 237 | */ |
| 238 | public function setSources(array $sources): void { |
| 239 | $this->sources = $sources; |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Gets the Display Builder instance. |
| 244 | * |
| 245 | * @return \Drupal\display_builder\InstanceInterface|null |
| 246 | * A display builder instance. |
| 247 | */ |
| 248 | protected function getInstance(): ?InstanceInterface { |
| 249 | if (!$this->displayBuildable()->getInstanceId()) { |
| 250 | return NULL; |
| 251 | } |
| 252 | |
| 253 | if (!isset($this->instance)) { |
| 254 | $instance_id = $this->displayBuildable()->getInstanceId(); |
| 255 | /** @var \Drupal\display_builder\InstanceInterface|null $instance */ |
| 256 | $instance = $this->entityTypeManager()->getStorage('display_builder_instance')->load($instance_id); |
| 257 | $this->instance = $instance; |
| 258 | } |
| 259 | |
| 260 | return $this->instance; |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Does the page cache need to be flushed? |
| 265 | * |
| 266 | * Flushing a cache is something to be careful enough. Let's flush only when |
| 267 | * needed. |
| 268 | * |
| 269 | * @param bool $update |
| 270 | * TRUE if the entity has been updated, or FALSE if it has been inserted. |
| 271 | * |
| 272 | * @return bool |
| 273 | * TRUE if the cache need to be flushed. |
| 274 | */ |
| 275 | private function isImpactingPageVariantDetection(bool $update = TRUE): bool { |
| 276 | // A new active page layout has been added. |
| 277 | if (!$update && $this->status && !empty($this->sources)) { |
| 278 | return TRUE; |
| 279 | } |
| 280 | |
| 281 | // Other additions have no impact. |
| 282 | if (!$update) { |
| 283 | return FALSE; |
| 284 | } |
| 285 | |
| 286 | $previous = $this->originalEntity; |
| 287 | |
| 288 | // Those properties are impacting AccessControlHandler logic and |
| 289 | // PageVariantSubscriber results. |
| 290 | foreach (['weight', 'conditions', 'status'] as $property) { |
| 291 | if ($this->get($property) !== $previous->get($property)) { |
| 292 | return TRUE; |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | // A page layout with empty sources is skipped by AccessControlHandler. |
| 297 | // This is also altering PageVariantSubscriber results. |
| 298 | if (empty($this->sources) !== empty($previous->get('sources'))) { |
| 299 | return TRUE; |
| 300 | } |
| 301 | |
| 302 | return FALSE; |
| 303 | } |
| 304 | |
| 305 | /** |
| 306 | * Gets the display buildable manager. |
| 307 | * |
| 308 | * @return \Drupal\display_builder\DisplayBuildableInterface |
| 309 | * The manager for display buildable. |
| 310 | */ |
| 311 | private function displayBuildable(): DisplayBuildableInterface { |
| 312 | /** @var \Drupal\display_builder\DisplayBuildablePluginManager $manager */ |
| 313 | $manager = \Drupal::service('plugin.manager.display_buildable'); |
| 314 | /** @var \Drupal\display_builder\DisplayBuildableInterface $buildable */ |
| 315 | $buildable = $manager->createInstance('page_layout', ['entity' => $this]); |
| 316 | |
| 317 | return $buildable; |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Gets the UI Patterns Source plugins manager. |
| 322 | * |
| 323 | * @return \Drupal\ui_patterns\SourcePluginManager |
| 324 | * The manager for source plugins. |
| 325 | */ |
| 326 | private function sourceManager(): SourcePluginManager { |
| 327 | return \Drupal::service('plugin.manager.ui_patterns_source'); |
| 328 | } |
| 329 | |
| 330 | } |