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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder_entity_view\Entity; |
| 6 | |
| 7 | use Drupal\Core\Cache\CacheableMetadata; |
| 8 | use Drupal\Core\Entity\EntityStorageInterface; |
| 9 | use Drupal\Core\Entity\FieldableEntityInterface; |
| 10 | use Drupal\Core\Plugin\Context\Context; |
| 11 | use Drupal\Core\Plugin\Context\ContextDefinition; |
| 12 | use Drupal\Core\Plugin\Context\ContextRepositoryInterface; |
| 13 | use Drupal\Core\Plugin\Context\EntityContext; |
| 14 | use Drupal\display_builder\DisplayBuildableInterface; |
| 15 | use Drupal\display_builder\InstanceInterface; |
| 16 | use Drupal\display_builder\ProfileInterface; |
| 17 | use Drupal\display_builder_entity_view\Plugin\display_builder\Buildable\EntityViewOverride; |
| 18 | |
| 19 | /** |
| 20 | * Common methods for entity view display. |
| 21 | */ |
| 22 | trait EntityViewDisplayTrait { |
| 23 | |
| 24 | /** |
| 25 | * Calculates dependencies for the display builder. |
| 26 | * |
| 27 | * @return $this |
| 28 | * The current instance. |
| 29 | * |
| 30 | * @see \Drupal\Core\Entity\Display\EntityViewDisplayInterface |
| 31 | */ |
| 32 | public function calculateDependencies(): self { |
| 33 | parent::calculateDependencies(); |
| 34 | |
| 35 | if (!$this->displayBuildable()->getInstanceId()) { |
| 36 | // If there is no instance ID, we cannot calculate dependencies. |
| 37 | return $this; |
| 38 | } |
| 39 | |
| 40 | /** @var \Drupal\display_builder\InstanceInterface $instance */ |
| 41 | $instance = $this->entityTypeManager->getStorage('display_builder_instance')->load($this->displayBuildable()->getInstanceId()); |
| 42 | |
| 43 | if (!$instance) { |
| 44 | return $this; |
| 45 | } |
| 46 | $contexts = $instance->getContexts(); |
| 47 | |
| 48 | if (!$contexts) { |
| 49 | return $this; |
| 50 | } |
| 51 | |
| 52 | foreach ($this->displayBuildable()->getSources() as $source_data) { |
| 53 | /** @var \Drupal\ui_patterns\SourceInterface $source */ |
| 54 | $source = $this->sourcePluginManager->getSource('', [], $source_data, $contexts); |
| 55 | $this->addDependencies($source->calculateDependencies()); |
| 56 | } |
| 57 | |
| 58 | return $this; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Is display builder enabled? |
| 63 | * |
| 64 | * @return bool |
| 65 | * The display builder is enabled if there is a Display Builder entity. |
| 66 | * |
| 67 | * @see \Drupal\display_builder_entity_view\DisplayBuilderEntityDisplayInterface |
| 68 | */ |
| 69 | public function isDisplayBuilderEnabled(): bool { |
| 70 | // Display Builder must not be enabled for the '_custom' view mode that is |
| 71 | // used for on-the-fly rendering of fields in isolation from the entity. |
| 72 | if ($this->getOriginalMode() === static::CUSTOM_MODE) { |
| 73 | return FALSE; |
| 74 | } |
| 75 | |
| 76 | return (bool) $this->displayBuildable()->getProfile(); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Handler for when dependencies are removed. |
| 81 | * |
| 82 | * @param array $dependencies |
| 83 | * The dependencies that were removed. |
| 84 | * |
| 85 | * @return bool |
| 86 | * TRUE if the display can be overridden, FALSE otherwise. |
| 87 | * |
| 88 | * @see \Drupal\Core\Entity\Display\EntityViewDisplayInterface |
| 89 | */ |
| 90 | public function onDependencyRemoval(array $dependencies): bool { |
| 91 | $changed = parent::onDependencyRemoval($dependencies); |
| 92 | |
| 93 | // Loop through all sources and determine if the removed dependencies are |
| 94 | // used by their plugins. |
| 95 | /** @var \Drupal\display_builder\InstanceInterface $instance */ |
| 96 | $instance = $this->getInstance(); |
| 97 | |
| 98 | // @todo not working when content entity type is deleted. |
| 99 | if (!$instance) { |
| 100 | return TRUE; |
| 101 | } |
| 102 | |
| 103 | $contexts = $instance->getContexts(); |
| 104 | |
| 105 | foreach ($this->displayBuildable()->getSources() as $source_data) { |
| 106 | /** @var \Drupal\ui_patterns\SourceInterface $source */ |
| 107 | $source = $this->sourcePluginManager->getSource('', [], $source_data, $contexts); |
| 108 | $source_dependencies = $source->calculateDependencies(); |
| 109 | $source_removed_dependencies = $this->getPluginRemovedDependencies($source_dependencies, $dependencies); |
| 110 | |
| 111 | if ($source_removed_dependencies) { |
| 112 | // @todo Allow the plugins to react to their dependency removal in |
| 113 | // https://www.drupal.org/project/drupal/issues/2579743. |
| 114 | // $this->removeSource($delta); |
| 115 | $changed = TRUE; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | return $changed; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Returns the field name used to store overridden displays. |
| 124 | * |
| 125 | * @return string|null |
| 126 | * The field name used to store overridden displays, or NULL if not set. |
| 127 | * |
| 128 | * @see \Drupal\display_builder_entity_view\Entity\DisplayBuilderOverridableInterface |
| 129 | */ |
| 130 | public function getDisplayBuilderOverrideField(): ?string { |
| 131 | return $this->getThirdPartySetting('display_builder', DisplayBuildableInterface::OVERRIDE_FIELD_PROPERTY); |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Returns the display builder override profile. |
| 136 | * |
| 137 | * @return \Drupal\display_builder\ProfileInterface|null |
| 138 | * The display builder override profile, or NULL if not set. |
| 139 | * |
| 140 | * @see \Drupal\display_builder_entity_view\Entity\DisplayBuilderOverridableInterface |
| 141 | */ |
| 142 | public function getDisplayBuilderOverrideProfile(): ?ProfileInterface { |
| 143 | $display_builder_id = $this->getThirdPartySetting('display_builder', DisplayBuildableInterface::OVERRIDE_PROFILE_PROPERTY); |
| 144 | |
| 145 | if ($display_builder_id === NULL) { |
| 146 | return NULL; |
| 147 | } |
| 148 | |
| 149 | return $this->loadDisplayBuilder($display_builder_id); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Returns TRUE if the display can be overridden. |
| 154 | * |
| 155 | * @return bool |
| 156 | * TRUE if the display can be overridden, FALSE otherwise. |
| 157 | * |
| 158 | * @see \Drupal\display_builder_entity_view\Entity\DisplayBuilderOverridableInterface |
| 159 | */ |
| 160 | public function isDisplayBuilderOverridable(): bool { |
| 161 | return !empty($this->getDisplayBuilderOverrideField()) |
| 162 | && $this->getDisplayBuilderOverrideProfile() !== NULL; |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Post-save operations for the display builder. |
| 167 | * |
| 168 | * @param \Drupal\Core\Entity\EntityStorageInterface $storage |
| 169 | * The entity storage. |
| 170 | * @param bool $update |
| 171 | * Whether the entity is being updated. |
| 172 | * |
| 173 | * @see \Drupal\Core\Entity\Display\EntityViewDisplayInterface |
| 174 | */ |
| 175 | public function postSave(EntityStorageInterface $storage, $update = TRUE): void { |
| 176 | if ($profile = $this->displayBuildable()->getProfile()) { |
| 177 | $this->displayBuildable()->initInstanceIfMissing(); |
| 178 | |
| 179 | // Save the profile in the instance if changed. |
| 180 | $instance = $this->getInstance(); |
| 181 | $profile_id = (string) $profile->id(); |
| 182 | |
| 183 | if ($instance && ($instance->getProfile()?->id() !== $profile_id)) { |
| 184 | $instance->setProfile($profile_id); |
| 185 | } |
| 186 | $instance->save(); |
| 187 | } |
| 188 | |
| 189 | // Do also overrides. |
| 190 | if ($profile = $this->getDisplayBuilderOverrideProfile()) { |
| 191 | $profile_id = (string) $profile->id(); |
| 192 | $storage = $this->entityTypeManager->getStorage('display_builder_instance'); |
| 193 | |
| 194 | foreach ($storage->loadMultiple() as $override) { |
| 195 | /** @var \Drupal\display_builder\InstanceInterface $override */ |
| 196 | if (!$this->isOverrideOfCurrentDisplay($override)) { |
| 197 | continue; |
| 198 | } |
| 199 | |
| 200 | if ($override->getProfile()->id() === $profile_id) { |
| 201 | continue; |
| 202 | } |
| 203 | $override->setProfile($profile_id); |
| 204 | $override->save(); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | parent::postSave($storage, $update); |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Deletes the display builder instance if it exists. |
| 213 | * |
| 214 | * @see \Drupal\Core\Entity\Display\EntityViewDisplayInterface |
| 215 | */ |
| 216 | public function delete(): void { |
| 217 | if ($instance = $this->getInstance()) { |
| 218 | $instance->delete(); |
| 219 | } |
| 220 | parent::delete(); |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Builds a renderable array for the components of a set of entities. |
| 225 | * |
| 226 | * @param \Drupal\Core\Entity\FieldableEntityInterface[] $entities |
| 227 | * The entities being displayed. |
| 228 | * |
| 229 | * @return array |
| 230 | * A renderable array for the entities, indexed by the same keys as the |
| 231 | * $entities array parameter. |
| 232 | * |
| 233 | * @see \Drupal\Core\Entity\Display\EntityViewDisplayInterface |
| 234 | */ |
| 235 | public function buildMultiple(array $entities): array { |
| 236 | $build_list = parent::buildMultiple($entities); |
| 237 | |
| 238 | // If no display builder enabled, stop here and return: |
| 239 | // - 'Manage Display' build if this trait is used in EntityViewDisplay |
| 240 | // - 'Layout Builder' build if used in LayoutBuilderEntityViewDisplay. |
| 241 | if (!$this->isDisplayBuilderEnabled()) { |
| 242 | // This is also preventing the availability of Display Builder overrides |
| 243 | // when Display Builder is not used for the entity view display. |
| 244 | // @todo Is it something we want to keep like that? |
| 245 | // @see https://www.drupal.org/project/display_builder/issues/3540048 |
| 246 | return $build_list; |
| 247 | } |
| 248 | |
| 249 | foreach ($entities as $id => $entity) { |
| 250 | $sources = []; |
| 251 | |
| 252 | if ($this->isDisplayBuilderOverridable()) { |
| 253 | $display_builder_field = $this->getDisplayBuilderOverrideField(); |
| 254 | $overridden_field = $entity->get($display_builder_field); |
| 255 | /** @var \Drupal\display_builder\DisplayBuildableInterface $buildable */ |
| 256 | $buildable = $this->displayBuildableManager->createInstance('entity_view_override', ['field' => $overridden_field]); |
| 257 | $sources = $buildable->getSources(); |
| 258 | } |
| 259 | |
| 260 | // If the overridden field is empty fallback to the entity view. |
| 261 | if (\count($sources) === 0) { |
| 262 | $sources = $this->displayBuildable()->getSources(); |
| 263 | } |
| 264 | |
| 265 | // We clear the display because we only want our renderable. |
| 266 | $build_list[$id] = []; |
| 267 | // @see entity.html.twig |
| 268 | $build_list[$id]['content'] = $this->buildSources($entity, $sources); |
| 269 | } |
| 270 | |
| 271 | return $build_list; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Check if the instance is overriding this display. |
| 276 | * |
| 277 | * @param \Drupal\display_builder\InstanceInterface $instance |
| 278 | * A list of display builder instances. |
| 279 | * |
| 280 | * @return bool |
| 281 | * Is the instance overriding this display? |
| 282 | */ |
| 283 | protected function isOverrideOfCurrentDisplay(InstanceInterface $instance): bool { |
| 284 | $parts = EntityViewOverride::checkInstanceId((string) $instance->id()); |
| 285 | |
| 286 | if (!$parts) { |
| 287 | return FALSE; |
| 288 | } |
| 289 | |
| 290 | if ($parts['entity_type_id'] !== $this->getTargetEntityTypeId()) { |
| 291 | return FALSE; |
| 292 | } |
| 293 | |
| 294 | if ($parts['field_name'] !== $this->getDisplayBuilderOverrideField()) { |
| 295 | return FALSE; |
| 296 | } |
| 297 | |
| 298 | return TRUE; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Gets the available contexts for a given entity. |
| 303 | * |
| 304 | * @param \Drupal\Core\Entity\FieldableEntityInterface $entity |
| 305 | * The entity. |
| 306 | * |
| 307 | * @return \Drupal\Core\Plugin\Context\ContextInterface[] |
| 308 | * An array of context objects for a given entity. |
| 309 | */ |
| 310 | protected function getContextsForEntity(FieldableEntityInterface $entity): array { |
| 311 | $available_context_ids = \array_keys($this->contextRepository()->getAvailableContexts()); |
| 312 | |
| 313 | return [ |
| 314 | 'view_mode' => new Context(ContextDefinition::create('string'), $this->getMode()), |
| 315 | 'entity' => EntityContext::fromEntity($entity), |
| 316 | 'display' => EntityContext::fromEntity($this), |
| 317 | ] + $this->contextRepository()->getRuntimeContexts($available_context_ids); |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Wraps the context repository service. |
| 322 | * |
| 323 | * @return \Drupal\Core\Plugin\Context\ContextRepositoryInterface |
| 324 | * The context repository service. |
| 325 | */ |
| 326 | protected function contextRepository(): ContextRepositoryInterface { |
| 327 | return \Drupal::service('context.repository'); |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Gets the Display Builder instance. |
| 332 | * |
| 333 | * @return \Drupal\display_builder\InstanceInterface|null |
| 334 | * A display builder instance. |
| 335 | */ |
| 336 | protected function getInstance(): ?InstanceInterface { |
| 337 | $instance_id = $this->displayBuildable()->getInstanceId(); |
| 338 | /** @var \Drupal\display_builder\InstanceInterface|null $instance */ |
| 339 | $instance = $this->entityTypeManager->getStorage('display_builder_instance')->load($instance_id); |
| 340 | $this->instance = $instance; |
| 341 | |
| 342 | return $this->instance; |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * Gets the display buildable manager. |
| 347 | * |
| 348 | * @return \Drupal\display_builder\DisplayBuildableInterface |
| 349 | * The manager for display buildable. |
| 350 | */ |
| 351 | protected function displayBuildable(): DisplayBuildableInterface { |
| 352 | /** @var \Drupal\display_builder\DisplayBuildableInterface $buildable */ |
| 353 | $buildable = $this->displayBuildableManager->createInstance('entity_view', ['entity' => $this]); |
| 354 | |
| 355 | return $buildable; |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Loads display builder by id. |
| 360 | * |
| 361 | * @param string $display_builder_id |
| 362 | * The display builder ID. |
| 363 | * |
| 364 | * @return \Drupal\display_builder\ProfileInterface|null |
| 365 | * The display builder, or NULL if not found. |
| 366 | */ |
| 367 | private function loadDisplayBuilder(string $display_builder_id): ?ProfileInterface { |
| 368 | if (empty($display_builder_id)) { |
| 369 | return NULL; |
| 370 | } |
| 371 | $storage = $this->entityTypeManager->getStorage('display_builder_profile'); |
| 372 | |
| 373 | /** @var \Drupal\display_builder\ProfileInterface $display_builder */ |
| 374 | $display_builder = $storage->load($display_builder_id); |
| 375 | |
| 376 | return $display_builder; |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Builds the render array for the sources of a given entity. |
| 381 | * |
| 382 | * @param \Drupal\Core\Entity\FieldableEntityInterface $entity |
| 383 | * The entity. |
| 384 | * @param array $sources |
| 385 | * The sources to build. |
| 386 | * |
| 387 | * @return array |
| 388 | * The render array representing the sources of the entity. |
| 389 | */ |
| 390 | private function buildSources(FieldableEntityInterface $entity, array $sources): array { |
| 391 | $contexts = $this->getContextsForEntity($entity); |
| 392 | $cacheability = new CacheableMetadata(); |
| 393 | $fake_build = []; |
| 394 | |
| 395 | foreach ($sources as $source_data) { |
| 396 | $fake_build = $this->componentElementBuilder->buildSource($fake_build, 'content', [], $source_data, $contexts); |
| 397 | } |
| 398 | $build = $fake_build['#slots']['content'] ?? []; |
| 399 | $build['#cache'] = $fake_build['#cache'] ?? []; |
| 400 | // The render array is built based on decisions made by SourceStorage |
| 401 | // plugins, and therefore it needs to depend on the accumulated |
| 402 | // cacheability of those decisions. |
| 403 | $cacheability->applyTo($build); |
| 404 | |
| 405 | return $build; |
| 406 | } |
| 407 | |
| 408 | } |