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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder\Entity; |
| 6 | |
| 7 | use Drupal\Core\Entity\Attribute\ContentEntityType; |
| 8 | use Drupal\Core\Entity\ContentEntityBase; |
| 9 | use Drupal\Core\Entity\EntityStorageInterface; |
| 10 | use Drupal\Core\Entity\EntityTypeInterface; |
| 11 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 12 | use Drupal\Core\Entity\RevisionLogEntityTrait; |
| 13 | use Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema; |
| 14 | use Drupal\Core\Field\BaseFieldDefinition; |
| 15 | use Drupal\Core\Field\FieldStorageDefinitionInterface; |
| 16 | use Drupal\Core\Plugin\Context\EntityContext; |
| 17 | use Drupal\Core\Session\AccountInterface; |
| 18 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 19 | use Drupal\display_builder\DisplayBuildableInterface; |
| 20 | use Drupal\display_builder\Exception\InvalidNodeException; |
| 21 | use Drupal\display_builder\InstanceAccessControlHandler; |
| 22 | use Drupal\display_builder\InstanceInterface; |
| 23 | use Drupal\display_builder\SlotSourceProxy; |
| 24 | use Drupal\display_builder\SourceTree; |
| 25 | use Drupal\display_builder_ui\InstanceListBuilder; |
| 26 | use Drupal\ui_patterns\Entity\SampleEntityGeneratorInterface; |
| 27 | use Drupal\ui_patterns\Plugin\Context\RequirementsContext; |
| 28 | |
| 29 | /** |
| 30 | * Defines the display builder instance entity class. |
| 31 | */ |
| 32 | #[ContentEntityType( |
| 33 | id: 'display_builder_instance', |
| 34 | label: new TranslatableMarkup('Display Builder instance'), |
| 35 | label_collection: new TranslatableMarkup('Display builder instances'), |
| 36 | label_singular: new TranslatableMarkup('display builder instance'), |
| 37 | label_plural: new TranslatableMarkup('display builder instances'), |
| 38 | entity_keys: [ |
| 39 | 'id' => 'id', |
| 40 | 'revision' => 'revision', |
| 41 | 'langcode' => 'langcode', |
| 42 | 'default_langcode' => 'default_langcode', |
| 43 | ], |
| 44 | handlers: [ |
| 45 | 'access' => InstanceAccessControlHandler::class, |
| 46 | 'storage' => InstanceStorage::class, |
| 47 | 'storage_schema' => SqlContentEntityStorageSchema::class, |
| 48 | // Managed by display_builder_ui. |
| 49 | 'list_builder' => InstanceListBuilder::class, |
| 50 | ], |
| 51 | links: [ |
| 52 | // Managed by display_builder_ui. |
| 53 | 'collection' => '/admin/structure/display-builder/instances', |
| 54 | ], |
| 55 | label_count: [ |
| 56 | 'singular' => '@count instance', |
| 57 | 'plural' => '@count instances', |
| 58 | ], |
| 59 | translatable: TRUE, |
| 60 | base_table: 'display_builder_instance', |
| 61 | data_table: 'display_builder_instance_field_data', |
| 62 | revision_table: 'display_builder_instance_revision', |
| 63 | revision_data_table: 'display_builder_instance_field_revision', |
| 64 | revision_metadata_keys: [ |
| 65 | 'revision_user' => 'revision_user', |
| 66 | 'revision_created' => 'revision_created', |
| 67 | 'revision_log_message' => 'revision_log_message', |
| 68 | ], |
| 69 | )] |
| 70 | class Instance extends ContentEntityBase implements InstanceInterface { |
| 71 | |
| 72 | use RevisionLogEntityTrait; |
| 73 | |
| 74 | /** |
| 75 | * Current user. |
| 76 | */ |
| 77 | public AccountInterface $currentUser; |
| 78 | |
| 79 | /** |
| 80 | * Path index. |
| 81 | * |
| 82 | * A mapping where each key is an slot source node ID and each value has |
| 83 | * two properties: |
| 84 | * - path: the path |
| 85 | * - parent: the node ID of the parent. This is necessary because not every |
| 86 | * SourceWithSlotsInterface implementations has the same "deepness". For |
| 87 | * example, ComponentSource has 4 levels (component, slots, slot_id, |
| 88 | * 'sources), LayoutSource has 2 levels (regions, slot_id), etc. |
| 89 | */ |
| 90 | protected array $pathIndex = []; |
| 91 | |
| 92 | /** |
| 93 | * Entity type manager. |
| 94 | */ |
| 95 | protected EntityTypeManagerInterface $entityTypeManager; |
| 96 | |
| 97 | /** |
| 98 | * Sample entity generator. |
| 99 | */ |
| 100 | protected SampleEntityGeneratorInterface $sampleEntityGenerator; |
| 101 | |
| 102 | /** |
| 103 | * Slot source proxy for resolving node labels. |
| 104 | */ |
| 105 | protected SlotSourceProxy $slotSourceProxy; |
| 106 | |
| 107 | /** |
| 108 | * Cached normalized source tree for the current present state. |
| 109 | * |
| 110 | * Stays valid after mutations (index=FALSE path) and is cleared on undo/redo |
| 111 | * when the present pointer jumps to a different history step. |
| 112 | */ |
| 113 | protected ?SourceTree $sourceTree = NULL; |
| 114 | |
| 115 | /** |
| 116 | * {@inheritdoc} |
| 117 | */ |
| 118 | public static function baseFieldDefinitions(EntityTypeInterface $entity_type) { |
| 119 | $fields = parent::baseFieldDefinitions($entity_type); |
| 120 | // Add the revision metadata fields. |
| 121 | $fields += static::revisionLogBaseFieldDefinitions($entity_type); |
| 122 | // Override from ContentEntityBase. |
| 123 | $fields['id'] = BaseFieldDefinition::create('string')->setRequired(TRUE)->setReadOnly(TRUE); |
| 124 | $fields['buildable'] = BaseFieldDefinition::create('plugin') |
| 125 | ->setSetting('plugin_manager_id', 'plugin.manager.display_buildable') |
| 126 | ->setRequired(TRUE) |
| 127 | ->setReadOnly(TRUE); |
| 128 | $fields['sources'] = BaseFieldDefinition::create('ui_patterns_source') |
| 129 | ->setRevisionable(TRUE) |
| 130 | ->setTranslatable(TRUE) |
| 131 | ->setCardinality(FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED); |
| 132 | $fields['hash'] = BaseFieldDefinition::create('integer') |
| 133 | ->setRevisionable(TRUE) |
| 134 | ->setSetting('size', 'big'); |
| 135 | $fields['published'] = BaseFieldDefinition::create('timestamp'); |
| 136 | |
| 137 | return $fields; |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * {@inheritdoc} |
| 142 | */ |
| 143 | public function label() { |
| 144 | // Extract a human readable name from an instance id. |
| 145 | // Example: "provider__my_display" -> "My display". |
| 146 | $parts = \explode('__', (string) $this->id()); |
| 147 | |
| 148 | if (\count($parts) > 1) { |
| 149 | \array_shift($parts); |
| 150 | |
| 151 | return \ucfirst(\implode(' ', \str_replace('_', ' ', $parts))); |
| 152 | } |
| 153 | |
| 154 | return (string) $this->id(); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * {@inheritdoc} |
| 159 | * |
| 160 | * @see \Drupal\Core\Entity\EntityInterface |
| 161 | */ |
| 162 | public function postCreate(EntityStorageInterface $storage): void { |
| 163 | $sources = $this->get('sources')->getValue() ?? []; |
| 164 | |
| 165 | if (empty($sources)) { |
| 166 | return; |
| 167 | } |
| 168 | |
| 169 | $this->sourceTree = new SourceTree($sources); |
| 170 | $indexed = $this->sourceTree->getTree(); |
| 171 | |
| 172 | $hash = self::getUniqId($indexed); |
| 173 | $this->set('sources', $indexed); |
| 174 | $this->set('hash', $hash); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * {@inheritdoc} |
| 179 | */ |
| 180 | public function getProfile(): ?ProfileInterface { |
| 181 | return $this->getBuildablePlugin()->getProfile(); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * {@inheritdoc} |
| 186 | */ |
| 187 | public function moveToRoot(string $node_id, int $position): bool { |
| 188 | $tree = $this->getSourceTree(); |
| 189 | $data = $tree->getNodeData($node_id); |
| 190 | |
| 191 | if (!$data) { |
| 192 | return FALSE; |
| 193 | } |
| 194 | |
| 195 | if (!$tree->moveToRoot($node_id, $position)) { |
| 196 | return FALSE; |
| 197 | } |
| 198 | |
| 199 | $log = new TranslatableMarkup('Move @label to root', ['@label' => $this->nodeLabel($data)]); |
| 200 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 201 | |
| 202 | return TRUE; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * {@inheritdoc} |
| 207 | */ |
| 208 | public function moveToSlot(string $node_id, string $parent_id, string $slot_id, int $position): bool { |
| 209 | $tree = $this->getSourceTree(); |
| 210 | $data = $tree->getNodeData($node_id); |
| 211 | |
| 212 | if (!$data) { |
| 213 | return FALSE; |
| 214 | } |
| 215 | |
| 216 | if (!$tree->moveToSlot($node_id, $parent_id, $slot_id, $position)) { |
| 217 | return FALSE; |
| 218 | } |
| 219 | |
| 220 | $parentData = $tree->getNodeData($parent_id); |
| 221 | $log = new TranslatableMarkup('Move @label to slot @slot_id in @parent_label', [ |
| 222 | '@label' => $this->nodeLabel($data), |
| 223 | '@slot_id' => $slot_id, |
| 224 | '@parent_label' => $parentData ? $this->nodeLabel($parentData) : $parent_id, |
| 225 | ]); |
| 226 | |
| 227 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 228 | |
| 229 | return TRUE; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * {@inheritdoc} |
| 234 | */ |
| 235 | public function attachToRoot(int $position, string $source_id, array $data, array $third_party_settings = []): string { |
| 236 | $tree = $this->getSourceTree(); |
| 237 | $node_id = $tree->attachToRoot($position, $source_id, $data); |
| 238 | |
| 239 | if ($third_party_settings) { |
| 240 | foreach ($third_party_settings as $island_id => $settings) { |
| 241 | $tree->setThirdPartySettings($node_id, $island_id, $settings); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | $nodeData = $tree->getNodeData($node_id); |
| 246 | $log = new TranslatableMarkup('Attach @label to root', ['@label' => $this->nodeLabel($nodeData ?? [])]); |
| 247 | $this->setNewPresent($tree->getTree(), $log, FALSE, FALSE); |
| 248 | |
| 249 | return $node_id; |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * {@inheritdoc} |
| 254 | */ |
| 255 | public function attachToSlot(string $parent_id, string $slot_id, int $position, string $source_id, array $data, array $third_party_settings = []): string { |
| 256 | $tree = $this->getSourceTree(); |
| 257 | $node_id = $tree->attachToSlot($parent_id, $slot_id, $position, $source_id, $data); |
| 258 | |
| 259 | if (!$node_id) { |
| 260 | throw new InvalidNodeException('Parent or slot not found'); |
| 261 | } |
| 262 | |
| 263 | if ($third_party_settings) { |
| 264 | foreach ($third_party_settings as $island_id => $settings) { |
| 265 | $tree->setThirdPartySettings($node_id, $island_id, $settings); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | $nodeData = $tree->getNodeData($node_id); |
| 270 | $parentData = $tree->getNodeData($parent_id); |
| 271 | $log = new TranslatableMarkup('Attach @label to slot @slot_id in @parent_label', [ |
| 272 | '@label' => $this->nodeLabel($nodeData ?? []), |
| 273 | '@slot_id' => $slot_id, |
| 274 | '@parent_label' => $parentData ? $this->nodeLabel($parentData) : $parent_id, |
| 275 | ]); |
| 276 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 277 | |
| 278 | return $node_id; |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * {@inheritdoc} |
| 283 | */ |
| 284 | public function getNode(string $node_id): array { |
| 285 | return $this->getSourceTree()->getNode($node_id) ?? []; |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * {@inheritdoc} |
| 290 | */ |
| 291 | public function getParentId(string $node_id): ?string { |
| 292 | return $this->getSourceTree()->getParentId($node_id); |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * {@inheritdoc} |
| 297 | */ |
| 298 | public function setSource(string $node_id, string $source_id, array $data): void { |
| 299 | $tree = $this->getSourceTree(); |
| 300 | |
| 301 | if (!$tree->setSource($node_id, $source_id, $data)) { |
| 302 | throw new InvalidNodeException('Internal node ID mismatch'); |
| 303 | } |
| 304 | |
| 305 | $nodeData = $tree->getNodeData($node_id); |
| 306 | $log = new TranslatableMarkup('Update @label configuration', ['@label' => $this->nodeLabel($nodeData ?? [])]); |
| 307 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * {@inheritdoc} |
| 312 | */ |
| 313 | public function setThirdPartySettings(string $node_id, string $island_id, array $data): void { |
| 314 | $tree = $this->getSourceTree(); |
| 315 | $nodeData = $tree->getNodeData($node_id); |
| 316 | |
| 317 | if (!$tree->setThirdPartySettings($node_id, $island_id, $data)) { |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | $log = new TranslatableMarkup('Update @island_id configuration in @label', [ |
| 322 | '@label' => $this->nodeLabel($nodeData), |
| 323 | '@island_id' => $island_id, |
| 324 | ]); |
| 325 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * {@inheritdoc} |
| 330 | */ |
| 331 | public function remove(string $node_id): void { |
| 332 | $tree = $this->getSourceTree(); |
| 333 | $data = $tree->getNodeData($node_id); |
| 334 | |
| 335 | if (!$data) { |
| 336 | return; |
| 337 | } |
| 338 | $parent_id = $tree->getParentId($node_id); |
| 339 | |
| 340 | $tree->remove($node_id); |
| 341 | |
| 342 | $parentData = $parent_id === NULL ? NULL : $tree->getNodeData($parent_id); |
| 343 | $log = new TranslatableMarkup('Remove @label from @parent_label', [ |
| 344 | '@label' => $this->nodeLabel($data), |
| 345 | '@parent_label' => $parentData ? $this->nodeLabel($parentData) : 'root', |
| 346 | ]); |
| 347 | $this->setNewPresent($tree->getTree(), $log, FALSE, FALSE); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * {@inheritdoc} |
| 352 | */ |
| 353 | public function getRuntimeContexts(array $unqualified_context_ids): ?array { |
| 354 | $contexts = $this->getBuildablePlugin()->getRuntimeContexts($unqualified_context_ids) ?? []; |
| 355 | |
| 356 | return $this->refreshContexts($contexts); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * {@inheritdoc} |
| 361 | */ |
| 362 | public function getAvailableContexts() { |
| 363 | return $this->getRuntimeContexts([]); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * {@inheritdoc} |
| 368 | * |
| 369 | * @see \Drupal\display_builder\HistoryInterface |
| 370 | */ |
| 371 | public function getCurrentState(): array { |
| 372 | return $this->get('sources')->getValue(); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * {@inheritdoc} |
| 377 | */ |
| 378 | public function publish(): void { |
| 379 | $this->getBuildablePlugin()->saveSources(); |
| 380 | $this->set('published', \Drupal::time()->getRequestTime()); |
| 381 | $this->setNewRevision(FALSE); |
| 382 | $this->save(); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * {@inheritdoc} |
| 387 | */ |
| 388 | public function restore(): void { |
| 389 | $this->setNewPresent($this->getBuildablePlugin()->getSources(), new TranslatableMarkup('Restore published data.')); |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * {@inheritdoc} |
| 394 | */ |
| 395 | public function clear(): void { |
| 396 | $this->getStorage()->clear($this); |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * {@inheritdoc} |
| 401 | * |
| 402 | * @see \Drupal\display_builder\HistoryInterface |
| 403 | */ |
| 404 | public function getPast(): array { |
| 405 | return $this->getStorage()->getPast($this); |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * {@inheritdoc} |
| 410 | * |
| 411 | * @see \Drupal\display_builder\HistoryInterface |
| 412 | */ |
| 413 | public function getFuture(): array { |
| 414 | return $this->getStorage()->getFuture($this); |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * {@inheritdoc} |
| 419 | */ |
| 420 | public function getUsers(): array { |
| 421 | return $this->getStorage()->getUsers($this); |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * {@inheritdoc} |
| 426 | */ |
| 427 | public function isPublishable(): bool { |
| 428 | $contexts = $this->getAvailableContexts(); |
| 429 | |
| 430 | if (!\array_key_exists('context_requirements', $contexts) |
| 431 | || !($contexts['context_requirements'] instanceof RequirementsContext)) { |
| 432 | return FALSE; |
| 433 | } |
| 434 | |
| 435 | return TRUE; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * {@inheritdoc} |
| 440 | */ |
| 441 | public function getPublishedHash(): ?int { |
| 442 | $published_data = $this->getBuildablePlugin()->getSources(); |
| 443 | |
| 444 | return $published_data ? self::getUniqId($published_data) : NULL; |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * {@inheritdoc} |
| 449 | */ |
| 450 | public function getPublishedTime(): ?int { |
| 451 | $time = (int) $this->get('published')->getString(); |
| 452 | |
| 453 | return ($time === 0) ? NULL : $time; |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * {@inheritdoc} |
| 458 | */ |
| 459 | public function isPublished(): bool { |
| 460 | return (bool) $this->getBuildablePlugin()->getSources(); |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * {@inheritdoc} |
| 465 | */ |
| 466 | public function isPublishedPresent(): bool { |
| 467 | return $this->getHash() === $this->getPublishedHash(); |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * {@inheritdoc} |
| 472 | */ |
| 473 | public function getPathIndex(): array { |
| 474 | return $this->getSourceTree()->getPathIndex(); |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * {@inheritdoc} |
| 479 | */ |
| 480 | public function getHash(): ?int { |
| 481 | if ($hash = $this->get('hash')->first()?->getString()) { |
| 482 | return (int) $hash; |
| 483 | } |
| 484 | |
| 485 | return NULL; |
| 486 | } |
| 487 | |
| 488 | /** |
| 489 | * {@inheritdoc} |
| 490 | * |
| 491 | * @see \Drupal\display_builder\HistoryInterface |
| 492 | */ |
| 493 | public function setNewPresent(array $data, string|\Stringable $log_message = '', bool $check_hash = TRUE, bool $index = TRUE): void { |
| 494 | if ($index) { |
| 495 | // Raw data needs normalizing; build tree and keep it as the new cache. |
| 496 | $this->sourceTree = new SourceTree($data); |
| 497 | $data = $this->sourceTree->getTree(); |
| 498 | } |
| 499 | // When index=FALSE the data was produced by the cached tree's getTree(), |
| 500 | // so $this->sourceTree already reflects the new state — no invalidation. |
| 501 | $hash = self::getUniqId($data); |
| 502 | |
| 503 | // Check if this present is the same to avoid duplicates, for example move |
| 504 | // to the same place. |
| 505 | if ($check_hash && $hash === $this->getHash()) { |
| 506 | return; |
| 507 | } |
| 508 | |
| 509 | // Root is always a list of sources. |
| 510 | $data = \array_is_list($data) ? $data : [$data]; |
| 511 | |
| 512 | $this->setNewRevision(TRUE); |
| 513 | $this->set('sources', $data); |
| 514 | $this->set('hash', $hash); |
| 515 | $this->setRevisionLogMessage((string) $log_message); |
| 516 | $this->setRevisionUserId((int) $this->currentUser()->id()); |
| 517 | $this->setRevisionCreationTime(\time()); |
| 518 | $this->save(); |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * {@inheritdoc} |
| 523 | */ |
| 524 | public static function getUniqId(array $data): int { |
| 525 | $data = self::normalizeRootLevel($data); |
| 526 | |
| 527 | return \crc32((string) \serialize($data)); |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * Get display buildable plugin. |
| 532 | * |
| 533 | * @return \Drupal\display_builder\DisplayBuildableInterface |
| 534 | * A display buildable plugin instance. |
| 535 | */ |
| 536 | private function getBuildablePlugin(): DisplayBuildableInterface { |
| 537 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\PluginItem $item */ |
| 538 | $item = $this->get('buildable')->first(); |
| 539 | /** @var \Drupal\display_builder\DisplayBuildableInterface $buildable */ |
| 540 | $buildable = $item->getInstance(); |
| 541 | |
| 542 | return $buildable; |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Normalize root level of the data tree. |
| 547 | * |
| 548 | * ::isPublishedPresent() is comparing hashes from two sources data trees: |
| 549 | * - the one from permanent storage where the data is not altered: the hash |
| 550 | * of the data stored is the hash of the data retrieved. |
| 551 | * - the one from Instance entity where we use a UI Patterns Source field. |
| 552 | * Each source is a field item, each property (node_id, source_id, source, |
| 553 | * third_party_settings) is a field property. So, Field API can reorder the |
| 554 | * properties and fill the missing properties with empty values, altering the |
| 555 | * hash calculation and making this comparison difficult. |
| 556 | * |
| 557 | * To be used only in ::getUniqId(). |
| 558 | */ |
| 559 | private static function normalizeRootLevel(array $data): array { |
| 560 | $data = \array_is_list($data) ? $data : [$data]; |
| 561 | |
| 562 | foreach ($data as $index => $source) { |
| 563 | \ksort($source); |
| 564 | $data[$index] = \array_filter($source); |
| 565 | } |
| 566 | |
| 567 | return $data; |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * Get or create the cached source tree for the current present state. |
| 572 | * |
| 573 | * The cache is populated lazily on first access and remains valid until |
| 574 | * undo() or redo() changes the present pointer to a different history step. |
| 575 | * Mutations (index=FALSE path) keep it alive since the tree is the source |
| 576 | * of the new present data. The index=TRUE path in setNewPresent() replaces |
| 577 | * it with a freshly normalized tree. |
| 578 | * |
| 579 | * @return \Drupal\display_builder\SourceTree |
| 580 | * The source tree for the current state. |
| 581 | */ |
| 582 | private function getSourceTree(): SourceTree { |
| 583 | if ($this->sourceTree === NULL) { |
| 584 | $this->sourceTree = new SourceTree($this->getCurrentState()); |
| 585 | } |
| 586 | |
| 587 | return $this->sourceTree; |
| 588 | } |
| 589 | |
| 590 | /** |
| 591 | * Sample entity generator. |
| 592 | */ |
| 593 | private function sampleEntityGenerator(): SampleEntityGeneratorInterface { |
| 594 | return $this->sampleEntityGenerator ??= \Drupal::service('ui_patterns.sample_entity_generator'); |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * Slot source proxy lazy loader. |
| 599 | */ |
| 600 | private function slotSourceProxy(): SlotSourceProxy { |
| 601 | return $this->slotSourceProxy ??= \Drupal::service('display_builder.slot_sources_proxy'); |
| 602 | } |
| 603 | |
| 604 | /** |
| 605 | * Returns the human-readable label for a node, falling back to source_id. |
| 606 | */ |
| 607 | private function nodeLabel(array $data): string { |
| 608 | $label = $this->slotSourceProxy()->getLabelWithSummary($data, [], TRUE)['label']; |
| 609 | |
| 610 | return $label !== '' ? $label : ($data['source_id'] ?? ''); |
| 611 | } |
| 612 | |
| 613 | /** |
| 614 | * Current user. |
| 615 | */ |
| 616 | private function currentUser(): AccountInterface { |
| 617 | return $this->currentUser ??= \Drupal::service('current_user'); |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Get entity storage. |
| 622 | */ |
| 623 | private function getStorage(): InstanceStorage { |
| 624 | /** @var \Drupal\display_builder\Entity\InstanceStorage $storage */ |
| 625 | $storage = $this->entityTypeManager()->getStorage('display_builder_instance'); |
| 626 | |
| 627 | return $storage; |
| 628 | } |
| 629 | |
| 630 | /** |
| 631 | * Refresh contexts after loaded from storage. |
| 632 | * |
| 633 | * @param \Drupal\Core\Plugin\Context\ContextInterface[] $contexts |
| 634 | * The contexts. |
| 635 | * |
| 636 | * @throws \Drupal\Component\Plugin\Exception\ContextException |
| 637 | * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException |
| 638 | * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException |
| 639 | * |
| 640 | * @return array |
| 641 | * The refreshed contexts or NULL if no context. |
| 642 | */ |
| 643 | private function refreshContexts(array $contexts): array { |
| 644 | foreach ($contexts as &$context) { |
| 645 | if ($context instanceof EntityContext) { |
| 646 | // @todo We should use cache entries here |
| 647 | // with the corresponding cache contexts in it. |
| 648 | // This may avoid some unnecessary entity loads or generation. |
| 649 | $entity = $context->getContextValue(); |
| 650 | |
| 651 | // Check if sample entity. |
| 652 | if ($entity->id()) { |
| 653 | $entity = $this->entityTypeManager()->getStorage($entity->getEntityTypeId())->load($entity->id()); |
| 654 | } |
| 655 | else { |
| 656 | $entity = $this->sampleEntityGenerator()->get($entity->getEntityTypeId(), $entity->bundle()); |
| 657 | } |
| 658 | |
| 659 | // Edge case when the parent entity is deleted but not the builder |
| 660 | // instance. |
| 661 | if (!$entity) { |
| 662 | return $contexts; |
| 663 | } |
| 664 | $context = (\get_class($context))::fromEntity($entity); |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | return $contexts; |
| 669 | } |
| 670 | |
| 671 | } |