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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder\Entity; |
| 6 | |
| 7 | use Drupal\Component\Render\FormattableMarkup; |
| 8 | use Drupal\Component\Utility\NestedArray; |
| 9 | use Drupal\Core\Entity\Attribute\ContentEntityType; |
| 10 | use Drupal\Core\Entity\ContentEntityBase; |
| 11 | use Drupal\Core\Entity\EntityStorageInterface; |
| 12 | use Drupal\Core\Entity\EntityTypeInterface; |
| 13 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 14 | use Drupal\Core\Field\BaseFieldDefinition; |
| 15 | use Drupal\Core\Plugin\Context\EntityContext; |
| 16 | use Drupal\Core\Session\AccountInterface; |
| 17 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 18 | use Drupal\display_builder\InstanceAccessControlHandler; |
| 19 | use Drupal\display_builder\InstanceInterface; |
| 20 | use Drupal\display_builder\InstanceStorage; |
| 21 | use Drupal\display_builder\Plugin\Field\FieldType\HistoryStep; |
| 22 | use Drupal\display_builder\ProfileInterface; |
| 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 | use Drupal\ui_patterns\SourcePluginManager; |
| 29 | |
| 30 | /** |
| 31 | * Defines the display builder instance entity class. |
| 32 | */ |
| 33 | #[ContentEntityType( |
| 34 | id: 'display_builder_instance', |
| 35 | label: new TranslatableMarkup('Display Builder instance'), |
| 36 | label_collection: new TranslatableMarkup('Display builder instances'), |
| 37 | label_singular: new TranslatableMarkup('display builder instance'), |
| 38 | label_plural: new TranslatableMarkup('display builder instances'), |
| 39 | entity_keys: [ |
| 40 | 'id' => 'id', |
| 41 | ], |
| 42 | handlers: [ |
| 43 | 'access' => InstanceAccessControlHandler::class, |
| 44 | 'storage' => InstanceStorage::class, |
| 45 | // Managed by display_builder_ui. |
| 46 | 'list_builder' => InstanceListBuilder::class, |
| 47 | ], |
| 48 | links: [ |
| 49 | // Managed by display_builder_ui. |
| 50 | 'collection' => '/admin/structure/display-builder/instances', |
| 51 | ], |
| 52 | label_count: [ |
| 53 | 'singular' => '@count instance', |
| 54 | 'plural' => '@count instances', |
| 55 | ], |
| 56 | )] |
| 57 | class Instance extends ContentEntityBase implements InstanceInterface { |
| 58 | |
| 59 | private const MAX_HISTORY = 10; |
| 60 | |
| 61 | /** |
| 62 | * Current user. |
| 63 | */ |
| 64 | public AccountInterface $currentUser; |
| 65 | |
| 66 | /** |
| 67 | * Path index. |
| 68 | * |
| 69 | * A mapping where each key is an slot source node ID and each value has |
| 70 | * two properties: |
| 71 | * - path: the path |
| 72 | * - parent: the node ID of the parent. This is necessary because not every |
| 73 | * SourceWithSlotsInterface implementations has the same "deepness". For |
| 74 | * example, ComponentSource has 4 levels (component, slots, slot_id, |
| 75 | * 'sources), LayoutSource has 2 levels (regions, slot_id), etc. |
| 76 | */ |
| 77 | protected array $pathIndex = []; |
| 78 | |
| 79 | /** |
| 80 | * Entity type manager. |
| 81 | */ |
| 82 | protected EntityTypeManagerInterface $entityTypeManager; |
| 83 | |
| 84 | /** |
| 85 | * Sample entity generator. |
| 86 | */ |
| 87 | protected SampleEntityGeneratorInterface $sampleEntityGenerator; |
| 88 | |
| 89 | /** |
| 90 | * Slot source proxy. |
| 91 | */ |
| 92 | protected SlotSourceProxy $slotSourceProxy; |
| 93 | |
| 94 | /** |
| 95 | * Source plugin manager. |
| 96 | */ |
| 97 | protected SourcePluginManager $sourceManager; |
| 98 | |
| 99 | /** |
| 100 | * {@inheritdoc} |
| 101 | */ |
| 102 | public function __construct(array $values, mixed $entity_type, mixed $bundle = FALSE, mixed $translations = []) { |
| 103 | parent::__construct($values, $entity_type, $bundle, $translations); |
| 104 | $fields = $this->fieldDefinitions; |
| 105 | |
| 106 | foreach ($values as $key => $value) { |
| 107 | if (isset($fields[$key])) { |
| 108 | $this->set($key, $value); |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * {@inheritdoc} |
| 115 | */ |
| 116 | public static function baseFieldDefinitions(EntityTypeInterface $entity_type) { |
| 117 | $fields = parent::baseFieldDefinitions($entity_type); |
| 118 | // Override from ContentEntityBase. |
| 119 | $fields['id'] = BaseFieldDefinition::create('string'); |
| 120 | // @todo replace by entity_reference. |
| 121 | $fields['profileId'] = BaseFieldDefinition::create('string'); |
| 122 | $fields['contexts'] = BaseFieldDefinition::create('map'); |
| 123 | // @todo replace by Revisions API. |
| 124 | $fields['present'] = BaseFieldDefinition::create('step'); |
| 125 | $fields['past'] = BaseFieldDefinition::create('step')->setCardinality(-1); |
| 126 | $fields['future'] = BaseFieldDefinition::create('step')->setCardinality(-1); |
| 127 | $fields['save'] = BaseFieldDefinition::create('step'); |
| 128 | |
| 129 | return $fields; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * {@inheritdoc} |
| 134 | */ |
| 135 | public function isNew(): bool { |
| 136 | // We don't support enforceIsNew property because we have no practical |
| 137 | // use of it and because it seems to break the invalidation of |
| 138 | // ::getCacheTags(). |
| 139 | return !$this->id(); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * {@inheritdoc} |
| 144 | */ |
| 145 | public function label() { |
| 146 | // Extract a human readable name from an instance id. |
| 147 | // Example: "provider__my_display" -> "My display". |
| 148 | $parts = \explode('__', (string) $this->id()); |
| 149 | |
| 150 | if (\count($parts) > 1) { |
| 151 | \array_shift($parts); |
| 152 | |
| 153 | return \ucfirst(\implode(' ', \str_replace('_', ' ', $parts))); |
| 154 | } |
| 155 | |
| 156 | return (string) $this->id(); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * {@inheritdoc} |
| 161 | * |
| 162 | * @see \Drupal\Core\Entity\EntityInterface |
| 163 | */ |
| 164 | public function toArray(): array { |
| 165 | return [ |
| 166 | 'id' => $this->id(), |
| 167 | 'profileId' => $this->get('profileId')->getString(), |
| 168 | 'contexts' => $this->get('contexts')->first()?->getValue(), |
| 169 | 'past' => $this->get('past')->getValue(), |
| 170 | 'present' => $this->get('present')->first()?->getValue(), |
| 171 | 'future' => $this->get('future')->getValue(), |
| 172 | 'save' => $this->get('save')->first()?->getValue(), |
| 173 | ]; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * {@inheritdoc} |
| 178 | * |
| 179 | * @see \Drupal\Core\Entity\EntityInterface |
| 180 | */ |
| 181 | public function postCreate(EntityStorageInterface $storage): void { |
| 182 | if ($this->get('present')->isEmpty()) { |
| 183 | return; |
| 184 | } |
| 185 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\HistoryStep $present */ |
| 186 | $present = $this->get('present')->first(); |
| 187 | $tree = new SourceTree($present->getData() ?? []); |
| 188 | $indexed = $tree->getTree(); |
| 189 | $hash = self::getUniqId($indexed); |
| 190 | |
| 191 | $this->set('present', [ |
| 192 | 'data' => $indexed, |
| 193 | 'hash' => $hash, |
| 194 | 'log' => $present->getLog(), |
| 195 | 'time' => $present->getTime(), |
| 196 | 'user' => $present->getUser(), |
| 197 | ]); |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * {@inheritdoc} |
| 202 | */ |
| 203 | public function getProfile(): ?ProfileInterface { |
| 204 | $profile_id = $this->get('profileId')->getString(); |
| 205 | /** @var \Drupal\display_builder\ProfileInterface $profile */ |
| 206 | $profile = $this->entityTypeManager()->getStorage('display_builder_profile')->load($profile_id); |
| 207 | |
| 208 | return $profile; |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * {@inheritdoc} |
| 213 | */ |
| 214 | public function setProfile(string $profile_id): void { |
| 215 | $this->set('profileId', $profile_id); |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * {@inheritdoc} |
| 220 | */ |
| 221 | public function moveToRoot(string $node_id, int $position): bool { |
| 222 | $tree = new SourceTree($this->getCurrentState()); |
| 223 | $data = $tree->getNodeData($node_id); |
| 224 | |
| 225 | if (!$data) { |
| 226 | return FALSE; |
| 227 | } |
| 228 | |
| 229 | if (!$tree->moveToRoot($node_id, $position)) { |
| 230 | return FALSE; |
| 231 | } |
| 232 | |
| 233 | // Get friendly label to display in log instead of ids. |
| 234 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $this->getContexts()); |
| 235 | |
| 236 | $log = new FormattableMarkup('%node @thingy has been moved to root', [ |
| 237 | '%node' => $labelWithSummary['summary'], |
| 238 | '@thingy' => $data['source_id'], |
| 239 | ]); |
| 240 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 241 | |
| 242 | return TRUE; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * {@inheritdoc} |
| 247 | */ |
| 248 | public function moveToSlot(string $node_id, string $parent_id, string $slot_id, int $position): bool { |
| 249 | $tree = new SourceTree($this->getCurrentState()); |
| 250 | $data = $tree->getNodeData($node_id); |
| 251 | |
| 252 | if (!$data) { |
| 253 | return FALSE; |
| 254 | } |
| 255 | |
| 256 | if (!$tree->moveToSlot($node_id, $parent_id, $slot_id, $position)) { |
| 257 | return FALSE; |
| 258 | } |
| 259 | |
| 260 | // Get friendly label to display in log instead of ids. |
| 261 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $this->getContexts()); |
| 262 | $labelWithSummaryParent = $this->slotSourceProxy()->getLabelWithSummary($tree->getNodeData($parent_id)); |
| 263 | |
| 264 | $log = new FormattableMarkup("%node @thingy has been moved to %parent's @slot_id", [ |
| 265 | '%node' => $labelWithSummary['summary'], |
| 266 | '@thingy' => $data['source_id'], |
| 267 | '%parent' => $labelWithSummaryParent['summary'], |
| 268 | '@slot_id' => $slot_id, |
| 269 | ]); |
| 270 | |
| 271 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 272 | |
| 273 | return TRUE; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * {@inheritdoc} |
| 278 | */ |
| 279 | public function attachToRoot(int $position, string $source_id, array $data, array $third_party_settings = []): string { |
| 280 | $tree = new SourceTree($this->getCurrentState()); |
| 281 | $node_id = $tree->attachToRoot($position, $source_id, $data); |
| 282 | |
| 283 | if ($third_party_settings) { |
| 284 | foreach ($third_party_settings as $island_id => $settings) { |
| 285 | $tree->setThirdPartySettings($node_id, $island_id, $settings); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | $new_data = $tree->getNode($node_id); |
| 290 | |
| 291 | // Get friendly label to display in log instead of ids. |
| 292 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($new_data, $this->getContexts() ?? []); |
| 293 | |
| 294 | $log = new FormattableMarkup('%node @source_id has been attached to root', [ |
| 295 | '%node' => $labelWithSummary['summary'], |
| 296 | '@source_id' => $source_id, |
| 297 | ]); |
| 298 | $this->setNewPresent($tree->getTree(), $log, FALSE, FALSE); |
| 299 | |
| 300 | return $node_id; |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * {@inheritdoc} |
| 305 | */ |
| 306 | public function attachToSlot(string $parent_id, string $slot_id, int $position, string $source_id, array $data, array $third_party_settings = []): string { |
| 307 | $tree = new SourceTree($this->getCurrentState()); |
| 308 | $node_id = $tree->attachToSlot($parent_id, $slot_id, $position, $source_id, $data); |
| 309 | |
| 310 | if (!$node_id) { |
| 311 | throw new \Exception('Parent or slot not found'); |
| 312 | } |
| 313 | |
| 314 | if ($third_party_settings) { |
| 315 | foreach ($third_party_settings as $island_id => $settings) { |
| 316 | $tree->setThirdPartySettings($node_id, $island_id, $settings); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | $new_data = $tree->getNode($node_id); |
| 321 | |
| 322 | // Get friendly label to display in log instead of ids. |
| 323 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($new_data, $this->getContexts() ?? []); |
| 324 | $labelWithSummaryParent = $this->slotSourceProxy()->getLabelWithSummary($tree->getNode($parent_id)); |
| 325 | |
| 326 | $log = new FormattableMarkup("%node @source_id has been attached to %parent's @slot_id", [ |
| 327 | '%node' => $labelWithSummary['summary'], |
| 328 | '@source_id' => $source_id, |
| 329 | '%parent' => $labelWithSummaryParent['summary'], |
| 330 | '@slot_id' => $slot_id, |
| 331 | ]); |
| 332 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 333 | |
| 334 | return $node_id; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * {@inheritdoc} |
| 339 | */ |
| 340 | public function getNode(string $node_id): array { |
| 341 | $root = $this->getCurrentState(); |
| 342 | $path = $this->getPath($node_id); |
| 343 | $value = NestedArray::getValue($root, $path); |
| 344 | |
| 345 | return $value ?? []; |
| 346 | } |
| 347 | |
| 348 | /** |
| 349 | * {@inheritdoc} |
| 350 | */ |
| 351 | public function getParentId(string $node_id): string { |
| 352 | return $this->getPathIndex()[$node_id]['parent'] ?? ''; |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * {@inheritdoc} |
| 357 | */ |
| 358 | public function setSource(string $node_id, string $source_id, array $data): void { |
| 359 | $tree = new SourceTree($this->getCurrentState()); |
| 360 | |
| 361 | if (!$tree->setSource($node_id, $source_id, $data)) { |
| 362 | throw new \Exception('Node ID mismatch'); |
| 363 | } |
| 364 | |
| 365 | // Get friendly label to display in log instead of ids. |
| 366 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($tree->getNodeData($node_id), $this->getContexts()); |
| 367 | |
| 368 | $log = new FormattableMarkup('%source has been updated', [ |
| 369 | '%source' => $labelWithSummary['summary'], |
| 370 | ]); |
| 371 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * {@inheritdoc} |
| 376 | */ |
| 377 | public function setThirdPartySettings(string $node_id, string $island_id, array $data): void { |
| 378 | $tree = new SourceTree($this->getCurrentState()); |
| 379 | |
| 380 | if (!$tree->setThirdPartySettings($node_id, $island_id, $data)) { |
| 381 | return; |
| 382 | } |
| 383 | |
| 384 | // Get friendly label to display in log instead of ids. |
| 385 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($tree->getNodeData($node_id), $this->getContexts()); |
| 386 | |
| 387 | $log = new FormattableMarkup('%source has been updated by @island_id', [ |
| 388 | '%source' => $labelWithSummary['summary'], |
| 389 | '@island_id' => $island_id, |
| 390 | ]); |
| 391 | $this->setNewPresent($tree->getTree(), $log, TRUE, FALSE); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * {@inheritdoc} |
| 396 | */ |
| 397 | public function remove(string $node_id): void { |
| 398 | $tree = new SourceTree($this->getCurrentState()); |
| 399 | $data = $tree->getNodeData($node_id); |
| 400 | |
| 401 | if (!$data) { |
| 402 | return; |
| 403 | } |
| 404 | $parent_id = $tree->getParentId($node_id); |
| 405 | |
| 406 | $contexts = $this->getContexts() ?? []; |
| 407 | |
| 408 | // Get friendly label to display in log instead of ids. |
| 409 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $contexts); |
| 410 | $labelWithSummaryParent = empty($parent_id) ? ['summary' => 'root'] : $this->slotSourceProxy()->getLabelWithSummary($tree->getNodeData($parent_id), $contexts); |
| 411 | |
| 412 | $tree->remove($node_id); |
| 413 | |
| 414 | $log = new FormattableMarkup('%node has been removed from %parent', [ |
| 415 | '%node' => $labelWithSummary['summary'], |
| 416 | '%parent' => $labelWithSummaryParent['summary'], |
| 417 | ]); |
| 418 | $this->setNewPresent($tree->getTree(), $log, FALSE, FALSE); |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * {@inheritdoc} |
| 423 | */ |
| 424 | public function getContexts(): ?array { |
| 425 | if ($this->get('contexts')->isEmpty()) { |
| 426 | return []; |
| 427 | } |
| 428 | |
| 429 | return $this->refreshContexts($this->get('contexts')->first()->getValue()); |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * {@inheritdoc} |
| 434 | */ |
| 435 | public function setSave(array $save_data): void { |
| 436 | $tree = new SourceTree($save_data); |
| 437 | $indexed = $tree->getTree(); |
| 438 | $hash = self::getUniqId($indexed); |
| 439 | $this->set('save', ['data' => $indexed, 'hash' => $hash, 'log' => NULL, 'time' => \time(), 'user' => NULL]); |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * {@inheritdoc} |
| 444 | * |
| 445 | * @see \Drupal\display_builder\HistoryInterface |
| 446 | */ |
| 447 | public function getCurrentState(): array { |
| 448 | return $this->getCurrent()?->getData() ?? []; |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * {@inheritdoc} |
| 453 | */ |
| 454 | public function restore(): void { |
| 455 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\HistoryStep|null $first */ |
| 456 | $first = $this->get('save')->first(); |
| 457 | $this->setNewPresent($first->getData(), 'Back to saved data.'); |
| 458 | } |
| 459 | |
| 460 | /** |
| 461 | * {@inheritdoc} |
| 462 | * |
| 463 | * @see \Drupal\display_builder\HistoryInterface |
| 464 | */ |
| 465 | public function undo(): void { |
| 466 | $past = $this->get('past'); |
| 467 | |
| 468 | if ($past->isEmpty()) { |
| 469 | return; |
| 470 | } |
| 471 | |
| 472 | $present_values = $this->get('present')->getValue(); |
| 473 | \assert(\array_is_list($present_values)); |
| 474 | |
| 475 | // Remove the last element from the past. |
| 476 | $past_values = $past->getValue(); |
| 477 | \assert(\array_is_list($past_values)); |
| 478 | $last = \array_pop($past_values); |
| 479 | \assert(!\array_is_list($last)); |
| 480 | $this->set('past', $past_values); |
| 481 | |
| 482 | // Set the present to the element we removed in the previous step. |
| 483 | $this->set('present', $last); |
| 484 | // Insert the old present state at the beginning of the future. |
| 485 | $this->set('future', \array_merge($present_values, $this->get('future')->getValue())); |
| 486 | } |
| 487 | |
| 488 | /** |
| 489 | * {@inheritdoc} |
| 490 | * |
| 491 | * @see \Drupal\display_builder\HistoryInterface |
| 492 | */ |
| 493 | public function redo(): void { |
| 494 | $future = $this->get('future'); |
| 495 | |
| 496 | if ($future->isEmpty()) { |
| 497 | return; |
| 498 | } |
| 499 | |
| 500 | // Remove the first element from the future. |
| 501 | $first = $future->first()->getValue(); |
| 502 | \assert(!\array_is_list($first)); |
| 503 | $future->removeItem(0); |
| 504 | // Insert the old present state at the end of the past. |
| 505 | $this->get('past')->appendItem($this->get('present')->first()); |
| 506 | // Set the present to the element we removed in the previous step. |
| 507 | $this->set('present', $first); |
| 508 | $this->set('future', $future->getValue()); |
| 509 | } |
| 510 | |
| 511 | /** |
| 512 | * {@inheritdoc} |
| 513 | */ |
| 514 | public function clear(): void { |
| 515 | $this->set('past', NULL); |
| 516 | $this->set('future', NULL); |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * {@inheritdoc} |
| 521 | */ |
| 522 | public function isHistoryNew(): bool { |
| 523 | return $this->present === NULL && empty($this->past) && empty($this->future); |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * {@inheritdoc} |
| 528 | * |
| 529 | * @see \Drupal\display_builder\HistoryInterface |
| 530 | */ |
| 531 | public function getCountPast(): int { |
| 532 | return $this->get('past')->count(); |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * {@inheritdoc} |
| 537 | * |
| 538 | * @see \Drupal\display_builder\HistoryInterface |
| 539 | */ |
| 540 | public function getCountFuture(): int { |
| 541 | return $this->get('future')->count(); |
| 542 | } |
| 543 | |
| 544 | /** |
| 545 | * {@inheritdoc} |
| 546 | */ |
| 547 | public function getUsers(): array { |
| 548 | $users = []; |
| 549 | $steps = \array_merge($this->get('past')->getValue(), $this->get('present')->getValue(), $this->get('future')->getValue()); |
| 550 | |
| 551 | foreach ($steps as $step) { |
| 552 | if ($step === NULL) { |
| 553 | continue; |
| 554 | } |
| 555 | $user_id = $step['user']; |
| 556 | |
| 557 | if ($user_id !== NULL && (!isset($users[$user_id]) || $step['time'] > $users[$user_id])) { |
| 558 | $users[$user_id] = $step['time']; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | return $users; |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * {@inheritdoc} |
| 567 | */ |
| 568 | public function canSaveContextsRequirement(?array $contexts = NULL): bool { |
| 569 | $contexts ??= $this->getContexts(); |
| 570 | |
| 571 | if ($contexts === NULL) { |
| 572 | return FALSE; |
| 573 | } |
| 574 | |
| 575 | if (!\array_key_exists('context_requirements', $contexts) |
| 576 | || !($contexts['context_requirements'] instanceof RequirementsContext)) { |
| 577 | return FALSE; |
| 578 | } |
| 579 | |
| 580 | return TRUE; |
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * {@inheritdoc} |
| 585 | */ |
| 586 | public function hasSaveContextsRequirement(string $key, array $contexts = []): bool { |
| 587 | $contexts = empty($contexts) ? $this->getContexts() : $contexts; |
| 588 | // Some strange edge cases where context is null. |
| 589 | $contexts ??= []; |
| 590 | |
| 591 | if (!\array_key_exists('context_requirements', $contexts) |
| 592 | || !($contexts['context_requirements'] instanceof RequirementsContext) |
| 593 | || !$contexts['context_requirements']->hasValue($key)) { |
| 594 | return FALSE; |
| 595 | } |
| 596 | |
| 597 | return TRUE; |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * {@inheritdoc} |
| 602 | */ |
| 603 | public function hasSave(): bool { |
| 604 | return !$this->get('save')->isEmpty(); |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * {@inheritdoc} |
| 609 | */ |
| 610 | public function saveIsCurrent(): bool { |
| 611 | $present = $this->get('present'); |
| 612 | $save = $this->get('save'); |
| 613 | |
| 614 | // If either present or save is null, they can't be equal unless both are |
| 615 | // null. |
| 616 | if ($present->isEmpty() || $save->isEmpty()) { |
| 617 | return $present->isEmpty() && $save->isEmpty(); |
| 618 | } |
| 619 | |
| 620 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\HistoryStep|null $present */ |
| 621 | $present = $present->first(); |
| 622 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\HistoryStep|null $save */ |
| 623 | $save = $save->first(); |
| 624 | |
| 625 | return $present->getHash() === $save->getHash(); |
| 626 | } |
| 627 | |
| 628 | /** |
| 629 | * {@inheritdoc} |
| 630 | */ |
| 631 | public function getPathIndex(): array { |
| 632 | $tree = new SourceTree($this->getCurrentState()); |
| 633 | |
| 634 | return $tree->getPathIndex(); |
| 635 | } |
| 636 | |
| 637 | /** |
| 638 | * {@inheritdoc} |
| 639 | * |
| 640 | * @see \Drupal\display_builder\HistoryInterface |
| 641 | */ |
| 642 | public function setNewPresent(array $data, FormattableMarkup|string $log_message = '', bool $check_hash = TRUE, bool $index = TRUE): void { |
| 643 | if ($index) { |
| 644 | $tree = new SourceTree($data); |
| 645 | $data = $tree->getTree(); |
| 646 | } |
| 647 | $hash = self::getUniqId($data); |
| 648 | |
| 649 | if (!$this->get('present')->isEmpty()) { |
| 650 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\HistoryStep|null $present */ |
| 651 | $present = $this->get('present')->first(); |
| 652 | |
| 653 | // Check if this present is the same to avoid duplicates, for example move |
| 654 | // to the same place. |
| 655 | if ($check_hash && $hash === $present->getHash()) { |
| 656 | return; |
| 657 | } |
| 658 | |
| 659 | // 1. Insert the present at the end of the past. |
| 660 | // If it's the very first action, we want a NULL in the past to be able to |
| 661 | // undo to initial empty state. |
| 662 | $this->get('past')->appendItem($present->getValue()); |
| 663 | } |
| 664 | |
| 665 | // Keep only the last x history. |
| 666 | if ($this->get('past')->count() > self::MAX_HISTORY) { |
| 667 | $this->get('past')->removeItem(0); |
| 668 | } |
| 669 | |
| 670 | // 2. Set the present to the new state. |
| 671 | $this->set('present', [ |
| 672 | 'data' => $data, |
| 673 | 'hash' => $hash, |
| 674 | 'log' => $log_message, |
| 675 | 'time' => \time(), |
| 676 | 'user' => (int) $this->currentUser()->id(), |
| 677 | ]); |
| 678 | |
| 679 | // 3. Clear the future. |
| 680 | $this->set('future', []); |
| 681 | } |
| 682 | |
| 683 | /** |
| 684 | * {@inheritdoc} |
| 685 | * |
| 686 | * @see \Drupal\display_builder\HistoryInterface |
| 687 | */ |
| 688 | public function getCurrent(): ?HistoryStep { |
| 689 | /** @var \Drupal\display_builder\Plugin\Field\FieldType\HistoryStep|null $step */ |
| 690 | $step = $this->get('present')->first(); |
| 691 | |
| 692 | return $step; |
| 693 | } |
| 694 | |
| 695 | /** |
| 696 | * {@inheritdoc} |
| 697 | */ |
| 698 | public static function getUniqId(array $data): int { |
| 699 | return \crc32((string) \serialize($data)); |
| 700 | } |
| 701 | |
| 702 | /** |
| 703 | * Sample entity generator. |
| 704 | */ |
| 705 | private function sampleEntityGenerator(): SampleEntityGeneratorInterface { |
| 706 | return $this->sampleEntityGenerator ??= \Drupal::service('ui_patterns.sample_entity_generator'); |
| 707 | } |
| 708 | |
| 709 | /** |
| 710 | * Slot source proxy. |
| 711 | */ |
| 712 | private function slotSourceProxy(): SlotSourceProxy { |
| 713 | return $this->slotSourceProxy ??= \Drupal::service('display_builder.slot_sources_proxy'); |
| 714 | } |
| 715 | |
| 716 | /** |
| 717 | * Slot source proxy. |
| 718 | */ |
| 719 | private function currentUser(): AccountInterface { |
| 720 | return $this->currentUser ??= \Drupal::service('current_user'); |
| 721 | } |
| 722 | |
| 723 | /** |
| 724 | * Refresh contexts after loaded from storage. |
| 725 | * |
| 726 | * @param \Drupal\Core\Plugin\Context\ContextInterface[] $contexts |
| 727 | * The contexts. |
| 728 | * |
| 729 | * @throws \Drupal\Component\Plugin\Exception\ContextException |
| 730 | * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException |
| 731 | * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException |
| 732 | * |
| 733 | * @return array |
| 734 | * The refreshed contexts or NULL if no context. |
| 735 | */ |
| 736 | private function refreshContexts(array $contexts): array { |
| 737 | foreach ($contexts as &$context) { |
| 738 | if ($context instanceof EntityContext) { |
| 739 | // @todo We should use cache entries here |
| 740 | // with the corresponding cache contexts in it. |
| 741 | // This may avoid some unnecessary entity loads or generation. |
| 742 | $entity = $context->getContextValue(); |
| 743 | |
| 744 | // Check if sample entity. |
| 745 | if ($entity->id()) { |
| 746 | $entity = $this->entityTypeManager()->getStorage($entity->getEntityTypeId())->load($entity->id()); |
| 747 | } |
| 748 | else { |
| 749 | $entity = $this->sampleEntityGenerator()->get($entity->getEntityTypeId(), $entity->bundle()); |
| 750 | } |
| 751 | |
| 752 | // Edge case when the parent entity is deleted but not the builder |
| 753 | // instance. |
| 754 | if (!$entity) { |
| 755 | return $contexts; |
| 756 | } |
| 757 | $context = (\get_class($context))::fromEntity($entity); |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | return $contexts; |
| 762 | } |
| 763 | |
| 764 | /** |
| 765 | * Get the path to an source. |
| 766 | * |
| 767 | * @param string $node_id |
| 768 | * The node id of the source. |
| 769 | * |
| 770 | * @return array |
| 771 | * The path, one array item by level. |
| 772 | */ |
| 773 | private function getPath(string $node_id): array { |
| 774 | return $this->getPathIndex()[$node_id]['path'] ?? []; |
| 775 | } |
| 776 | |
| 777 | } |