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| 1 | <?php |
| 2 | /** |
| 3 | * WikiLambda content handler for ZObjects |
| 4 | * |
| 5 | * @file |
| 6 | * @ingroup Extensions |
| 7 | * @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt |
| 8 | * @license MIT |
| 9 | */ |
| 10 | |
| 11 | namespace MediaWiki\Extension\WikiLambda; |
| 12 | |
| 13 | use Content; |
| 14 | use ContentHandler; |
| 15 | use FormatJson; |
| 16 | use InvalidArgumentException; |
| 17 | use Language; |
| 18 | use MediaWiki\Content\Renderer\ContentParseParams; |
| 19 | use MediaWiki\Content\Transform\PreSaveTransformParams; |
| 20 | use MediaWiki\Content\ValidationParams; |
| 21 | use MediaWiki\Context\IContextSource; |
| 22 | use MediaWiki\Context\RequestContext; |
| 23 | use MediaWiki\Extension\WikiLambda\Diff\ZObjectContentDifferenceEngine; |
| 24 | use MediaWiki\Extension\WikiLambda\Registry\ZErrorTypeRegistry; |
| 25 | use MediaWiki\Extension\WikiLambda\Registry\ZLangRegistry; |
| 26 | use MediaWiki\Extension\WikiLambda\Registry\ZTypeRegistry; |
| 27 | use MediaWiki\Html\Html; |
| 28 | use MediaWiki\MediaWikiServices; |
| 29 | use MediaWiki\Revision\SlotRenderingProvider; |
| 30 | use MediaWiki\Title\Title; |
| 31 | use ParserOutput; |
| 32 | use StatusValue; |
| 33 | |
| 34 | class ZObjectContentHandler extends ContentHandler { |
| 35 | use ZObjectEditingPageTrait; |
| 36 | |
| 37 | /** |
| 38 | * @param string $modelId |
| 39 | */ |
| 40 | public function __construct( $modelId ) { |
| 41 | if ( $modelId !== CONTENT_MODEL_ZOBJECT ) { |
| 42 | throw new InvalidArgumentException( __CLASS__ . " initialised for invalid content model" ); |
| 43 | } |
| 44 | |
| 45 | // Triggers use of message content-model-zobject |
| 46 | parent::__construct( CONTENT_MODEL_ZOBJECT, [ CONTENT_FORMAT_TEXT ] ); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @param Title $title Page to check |
| 51 | * @return bool |
| 52 | */ |
| 53 | public function canBeUsedOn( Title $title ) { |
| 54 | return $title->inNamespace( NS_MAIN ); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @return ZObjectContent |
| 59 | */ |
| 60 | public function makeEmptyContent() { |
| 61 | $class = $this->getContentClass(); |
| 62 | return new $class( |
| 63 | '{' . "\n" |
| 64 | . '"' . ZTypeRegistry::Z_OBJECT_TYPE . '": "' . ZTypeRegistry::Z_PERSISTENTOBJECT . '",' . "\n" |
| 65 | . '"' . ZTypeRegistry::Z_PERSISTENTOBJECT_ID . '": "' . ZTypeRegistry::Z_NULL_REFERENCE . '",' . "\n" |
| 66 | . '"' . ZTypeRegistry::Z_PERSISTENTOBJECT_VALUE . '": "",' . "\n" |
| 67 | . '"' . ZTypeRegistry::Z_PERSISTENTOBJECT_LABEL . '": {' . "\n" |
| 68 | . '"' . ZTypeRegistry::Z_OBJECT_TYPE . '": "' . ZTypeRegistry::Z_MULTILINGUALSTRING . '",' . "\n" |
| 69 | . '"' . ZTypeRegistry::Z_MULTILINGUALSTRING_VALUE . '":' |
| 70 | . '["' . ZTypeRegistry::Z_MONOLINGUALSTRING . '"]' . "\n" |
| 71 | . '},' . "\n" |
| 72 | . '"' . ZTypeRegistry::Z_PERSISTENTOBJECT_ALIASES . '": {' . "\n" |
| 73 | . '"' . ZTypeRegistry::Z_OBJECT_TYPE . '": "' . ZTypeRegistry::Z_MULTILINGUALSTRINGSET . '",' . "\n" |
| 74 | . '"' . ZTypeRegistry::Z_MULTILINGUALSTRINGSET_VALUE . '":' |
| 75 | . '["' . ZTypeRegistry::Z_MONOLINGUALSTRINGSET . '"]' . "\n" |
| 76 | . '},' . "\n" |
| 77 | . '"' . ZTypeRegistry::Z_PERSISTENTOBJECT_DESCRIPTION . '": {' . "\n" |
| 78 | . '"' . ZTypeRegistry::Z_OBJECT_TYPE . '": "' . ZTypeRegistry::Z_MULTILINGUALSTRING . '",' . "\n" |
| 79 | . '"' . ZTypeRegistry::Z_MULTILINGUALSTRING_VALUE . '":' |
| 80 | . '["' . ZTypeRegistry::Z_MONOLINGUALSTRING . '"]' . "\n" |
| 81 | . '}' . "\n" |
| 82 | . '}' |
| 83 | ); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * @param string $data |
| 88 | * @param Title|null $title |
| 89 | * @param string|null $modelId |
| 90 | * @param string|null $format |
| 91 | * @return ZObjectContent |
| 92 | */ |
| 93 | public static function makeContent( $data, Title $title = null, $modelId = null, $format = null ) { |
| 94 | // @phan-suppress-next-line PhanTypeMismatchReturnSuperType |
| 95 | return parent::makeContent( $data, $title, $modelId, $format ); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * @return string |
| 100 | */ |
| 101 | protected function getContentClass() { |
| 102 | return ZObjectContent::class; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * @param Content $content |
| 107 | * @param string|null $format |
| 108 | * @return string |
| 109 | */ |
| 110 | public function serializeContent( Content $content, $format = null ) { |
| 111 | $this->checkFormat( $format ); |
| 112 | |
| 113 | if ( !( $content instanceof ZObjectContent ) ) { |
| 114 | // Throw? |
| 115 | return ''; |
| 116 | } |
| 117 | |
| 118 | return $content->getText(); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * @param string $text |
| 123 | * @param string|null $format |
| 124 | * @return ZObjectContent |
| 125 | */ |
| 126 | public function unserializeContent( $text, $format = null ) { |
| 127 | $this->checkFormat( $format ); |
| 128 | |
| 129 | $class = $this->getContentClass(); |
| 130 | return new $class( $text ); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * @param Title $zObjectTitle The page to fetch. |
| 135 | * @param string|null $languageCode The language in which to return results. If unset, all results are returned. |
| 136 | * @param int|null $revision The revision ID of the page to fetch. If unset, the latest is returned. |
| 137 | * @return string The external JSON form of the given title. |
| 138 | * @throws ZErrorException |
| 139 | */ |
| 140 | public static function getExternalRepresentation( |
| 141 | Title $zObjectTitle, ?string $languageCode = null, ?int $revision = null |
| 142 | ): string { |
| 143 | if ( $zObjectTitle->getNamespace() !== NS_MAIN ) { |
| 144 | throw new ZErrorException( |
| 145 | ZErrorFactory::createZErrorInstance( |
| 146 | ZErrorTypeRegistry::Z_ERROR_WRONG_NAMESPACE, |
| 147 | [ 'title' => (string)$zObjectTitle ] |
| 148 | ) |
| 149 | ); |
| 150 | } |
| 151 | |
| 152 | if ( $zObjectTitle->getContentModel() !== CONTENT_MODEL_ZOBJECT ) { |
| 153 | throw new ZErrorException( |
| 154 | ZErrorFactory::createZErrorInstance( |
| 155 | ZErrorTypeRegistry::Z_ERROR_WRONG_CONTENT_TYPE, |
| 156 | [ 'title' => (string)$zObjectTitle ] |
| 157 | ) |
| 158 | ); |
| 159 | } |
| 160 | |
| 161 | $zObjectStore = WikiLambdaServices::getZObjectStore(); |
| 162 | $zObject = $zObjectStore->fetchZObjectByTitle( $zObjectTitle, $revision ); |
| 163 | |
| 164 | if ( $zObject === false ) { |
| 165 | throw new ZErrorException( |
| 166 | ZErrorFactory::createZErrorInstance( |
| 167 | ZErrorTypeRegistry::Z_ERROR_ZID_NOT_FOUND, |
| 168 | [ 'data' => (string)$zObjectTitle ] |
| 169 | ) |
| 170 | ); |
| 171 | } |
| 172 | |
| 173 | $object = ZObjectUtils::canonicalize( $zObject->getObject() ); |
| 174 | |
| 175 | if ( $languageCode ) { |
| 176 | // TODO (T362246): Dependency-inject |
| 177 | $services = MediaWikiServices::getInstance(); |
| 178 | |
| 179 | // If language code is not valid, throws ZErrorException of Z540/Invalid language code |
| 180 | if ( !$services->getLanguageNameUtils()->isValidCode( $languageCode ) ) { |
| 181 | throw new ZErrorException( |
| 182 | ZErrorFactory::createZErrorInstance( |
| 183 | ZErrorTypeRegistry::Z_ERROR_INVALID_LANG_CODE, |
| 184 | [ 'lang' => $languageCode ] |
| 185 | ) |
| 186 | ); |
| 187 | } |
| 188 | |
| 189 | // If language doesn't have a Zid, throws ZErrorException of Z541/Language code not found |
| 190 | $languageZid = ZLangRegistry::singleton()->getLanguageZidFromCode( $languageCode ); |
| 191 | |
| 192 | // Filter all Multilingual Strings and Stringsets if language is present and valid |
| 193 | $object = ZObjectUtils::filterZMultilingualStringsToLanguage( $object, [ $languageZid ] ); |
| 194 | } |
| 195 | |
| 196 | // Replace Z2K1: Z0 with the actual page ID. |
| 197 | $object->{ ZTypeRegistry::Z_PERSISTENTOBJECT_ID } = [ |
| 198 | ZTypeRegistry::Z_OBJECT_TYPE => ZTypeRegistry::Z_STRING, |
| 199 | ZTypeRegistry::Z_STRING_VALUE => $zObjectTitle->getDBkey() |
| 200 | ]; |
| 201 | |
| 202 | return FormatJson::encode( $object, true, FormatJson::UTF8_OK ); |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * @inheritDoc |
| 207 | */ |
| 208 | public function getSecondaryDataUpdates( |
| 209 | Title $title, |
| 210 | Content $content, |
| 211 | $role, |
| 212 | SlotRenderingProvider $slotOutput |
| 213 | ) { |
| 214 | return array_merge( |
| 215 | parent::getSecondaryDataUpdates( $title, $content, $role, $slotOutput ), |
| 216 | [ new ZObjectSecondaryDataUpdate( $title, $content ) ] |
| 217 | ); |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * @inheritDoc |
| 222 | */ |
| 223 | public function getDeletionUpdates( Title $title, $role ) { |
| 224 | return array_merge( |
| 225 | parent::getDeletionUpdates( $title, $role ), |
| 226 | [ new ZObjectSecondaryDataRemoval( $title ) ] |
| 227 | ); |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * @inheritDoc |
| 232 | */ |
| 233 | public function supportsDirectEditing() { |
| 234 | return false; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * @inheritDoc |
| 239 | */ |
| 240 | public function getActionOverrides() { |
| 241 | return [ |
| 242 | 'edit' => ZObjectEditAction::class, |
| 243 | 'history' => ZObjectHistoryAction::class |
| 244 | ]; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Do not render HTML on edit (T285987) |
| 249 | * |
| 250 | * @return bool |
| 251 | */ |
| 252 | public function generateHTMLOnEdit(): bool { |
| 253 | return false; |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Set the HTML and add the appropriate styles. |
| 258 | * |
| 259 | * @inheritDoc |
| 260 | * @param Content $content |
| 261 | * @param ContentParseParams $cpoParams |
| 262 | * @param ParserOutput &$parserOutput The output object to fill (reference). |
| 263 | */ |
| 264 | protected function fillParserOutput( |
| 265 | Content $content, |
| 266 | ContentParseParams $cpoParams, |
| 267 | ParserOutput &$parserOutput |
| 268 | ) { |
| 269 | if ( !$cpoParams->getGenerateHtml() ) { |
| 270 | $parserOutput->setText( '' ); |
| 271 | return; |
| 272 | } |
| 273 | |
| 274 | $userLang = RequestContext::getMain()->getLanguage(); |
| 275 | |
| 276 | // Ensure the stored content is a valid ZObject; this also populates $this->getZObject() for us |
| 277 | if ( !( $content instanceof ZObjectContent ) || !$content->isValid() ) { |
| 278 | $parserOutput->setText( |
| 279 | Html::element( |
| 280 | 'div', |
| 281 | [ |
| 282 | 'class' => [ 'ext-wikilambda-view-invalidcontent', 'warning' ], |
| 283 | ], |
| 284 | wfMessage( 'wikilambda-invalidzobject' )->inLanguage( $userLang )->text() |
| 285 | ) |
| 286 | ); |
| 287 | // Exit early, as the rest of the code relies on the stored content being well-formed and valid. |
| 288 | return; |
| 289 | } |
| 290 | |
| 291 | $pageIdentity = $cpoParams->getPage(); |
| 292 | |
| 293 | // TODO (T362245): Re-work our code to use PageReferences rather than Titles |
| 294 | $title = Title::castFromPageReference( $pageIdentity ); |
| 295 | '@phan-var Title $title'; |
| 296 | |
| 297 | $header = static::createZObjectViewHeader( $content, $title, $userLang ); |
| 298 | $parserOutput->setTitleText( $header ); |
| 299 | |
| 300 | $parserOutput->addModuleStyles( [ 'ext.wikilambda.viewpage.styles' ] ); |
| 301 | |
| 302 | $parserOutput->addModules( [ 'ext.wikilambda.edit' ] ); |
| 303 | |
| 304 | // $zObjectStore = WikiLambdaServices::getZObjectStore(); |
| 305 | // $zObject = $zObjectStore->fetchZObjectByTitle( $title ); |
| 306 | |
| 307 | $zLangRegistry = ZLangRegistry::singleton(); |
| 308 | $userLangCode = $userLang->getCode(); |
| 309 | |
| 310 | // If the userLang isn't recognised (e.g. it's qqx, or a language we don't support yet, or it's |
| 311 | // nonsense), then fall back to English. |
| 312 | $userLangZid = $zLangRegistry->getLanguageZidFromCode( $userLangCode, true ); |
| 313 | // Normalise our used language code from what the Language object says |
| 314 | $userLangCode = $zLangRegistry->getLanguageCodeFromZid( $userLangZid ); |
| 315 | |
| 316 | // Add the canonical page link to /view/<lang>/<zid> |
| 317 | $output = RequestContext::getMain()->getOutput(); |
| 318 | $output->addLink( [ |
| 319 | 'rel' => 'canonical', |
| 320 | 'hreflang' => $userLangCode, |
| 321 | 'href' => "/view/$userLangCode/" . $title->getDBkey(), |
| 322 | ] ); |
| 323 | |
| 324 | $editingData = [ |
| 325 | // The following paramether may be the same now, |
| 326 | // but will surely change in the future as we remove the Zds from the UI |
| 327 | 'title' => $title->getBaseText(), |
| 328 | 'zId' => $title->getBaseText(), |
| 329 | 'page' => $title->getPrefixedDBkey(), |
| 330 | 'zlang' => $userLangCode, |
| 331 | 'zlangZid' => $userLangZid, |
| 332 | 'createNewPage' => false, |
| 333 | 'viewmode' => true |
| 334 | ]; |
| 335 | |
| 336 | $parserOutput->setJsConfigVar( 'wgWikiLambda', $editingData ); |
| 337 | |
| 338 | $parserOutput->setText( |
| 339 | // Placeholder div for the Vue template. |
| 340 | Html::element( 'div', [ 'id' => 'ext-wikilambda-app' ] ) |
| 341 | // Fallback div for the warning. |
| 342 | . Html::rawElement( |
| 343 | 'div', |
| 344 | [ |
| 345 | 'class' => [ 'ext-wikilambda-view-nojsfallback', 'client-nojs' ], |
| 346 | ], |
| 347 | Html::element( |
| 348 | 'div', |
| 349 | [ |
| 350 | 'class' => [ 'ext-wikilambda-view-nojswarning', 'warning' ], |
| 351 | ], |
| 352 | wfMessage( 'wikilambda-viewmode-nojs' )->inLanguage( $userLang )->text() |
| 353 | ) |
| 354 | ) |
| 355 | ); |
| 356 | |
| 357 | // Add links to other ZObjects |
| 358 | foreach ( $content->getInnerZObject()->getLinkedZObjects() as $link ) { |
| 359 | $parserOutput->addLink( Title::newFromText( $link, NS_MAIN ) ); |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * Generate the special "title" shown on view pages |
| 365 | * |
| 366 | * <span class="ext-wikilambda-viewpage-header" lang="es"> |
| 367 | * <span class="ext-wikilambda-viewpage-header--bcp47-code">en</span> |
| 368 | *  |
| 369 | * <span class="ext-wikilambda-viewpage-header-label">multiply</span> |
| 370 | * <span class="ext-wikilambda-viewpage-header-zid">Z12345</span> |
| 371 | * <div class="ext-wikilambda-viewpage-header-type"> |
| 372 | * <span class="ext-wikilambda-viewpage-header--bcp47-code">en</span> |
| 373 | *  |
| 374 | * <span class="ext-wikilambda-viewpage-header-type-label">Function</span> |
| 375 | * </div> |
| 376 | * </span> |
| 377 | * |
| 378 | * @param ZObjectContent $content |
| 379 | * @param Title $title |
| 380 | * @param Language $userLang |
| 381 | * @return string |
| 382 | */ |
| 383 | public static function createZObjectViewHeader( |
| 384 | ZObjectContent $content, Title $title, Language $userLang |
| 385 | ): string { |
| 386 | // TODO (T362246): Dependency-inject |
| 387 | $services = MediaWikiServices::getInstance(); |
| 388 | |
| 389 | $zobject = $content->getZObject(); |
| 390 | |
| 391 | if ( !$zobject || !$zobject->isValid() ) { |
| 392 | // Soemthing's bad, let's give up. |
| 393 | return ''; |
| 394 | } |
| 395 | |
| 396 | // Get best-available label (and its language code) for the target object's type, given the request language. |
| 397 | [ |
| 398 | 'title' => $targetTypeLabel, |
| 399 | 'languageCode' => $targetTypeLabelLanguage |
| 400 | ] = $content->getTypeStringAndLanguage( $userLang ); |
| 401 | |
| 402 | // OBJECT TYPE Language code, which is usually a BCP47 code (e.g. 'en') but sometimes tests inject it as a |
| 403 | // Language object(!) |
| 404 | $targetTypeDisplayCode = gettype( $targetTypeLabelLanguage ) === 'string' |
| 405 | ? $targetTypeLabelLanguage : $targetTypeLabelLanguage->getCode(); |
| 406 | // OBJECT TYPE language label (e.g. 'Function') of the language currently being rendered |
| 407 | $targetTypeDisplayLabelLanguageName = $services->getLanguageNameUtils()->getLanguageName( |
| 408 | $targetTypeDisplayCode |
| 409 | ); |
| 410 | |
| 411 | // Get best-available label (and its language code) for the target object's name, given the request language. |
| 412 | |
| 413 | // OBJECT NAME label (e.g. 'My function' or 'Unknown') and language code (e.g. 'en') |
| 414 | [ |
| 415 | 'title' => $targetLabel, |
| 416 | 'languageCode' => $targetLabelLanguageCode |
| 417 | ] = $zobject->getLabels()->buildStringForLanguage( $userLang ) |
| 418 | ->fallbackWithEnglish() |
| 419 | ->placeholderForTitle() |
| 420 | ->getStringAndLanguageCode(); |
| 421 | |
| 422 | // OBJECT NAME language label (e.g. 'English') of the language currently being rendered |
| 423 | $targetDisplayLabelLanguageName = $services->getLanguageNameUtils()->getLanguageName( |
| 424 | $targetLabelLanguageCode |
| 425 | ); |
| 426 | |
| 427 | $bcp47CodeClassName = 'ext-wikilambda-viewpage-header--bcp47-code'; |
| 428 | |
| 429 | $targetDisplayLabelWidget = ''; |
| 430 | // If the object type label (e.g. 'Function') is not in the user's language, show a BCP47 code widget |
| 431 | // for the language used instead |
| 432 | if ( $targetLabelLanguageCode !== $userLang->getCode() ) { |
| 433 | $targetDisplayLabelWidget = ZObjectUtils::wrapBCP47CodeInFakeCodexChip( |
| 434 | $targetLabelLanguageCode, $targetDisplayLabelLanguageName, $bcp47CodeClassName |
| 435 | ); |
| 436 | } |
| 437 | |
| 438 | $targetDisplayTypeWidget = ''; |
| 439 | // If the object label (e.g. 'Echo') is not in the user's language, show a BCP47 code widget |
| 440 | // for the language used instead |
| 441 | if ( $targetTypeDisplayCode !== $userLang->getCode() ) { |
| 442 | $targetDisplayTypeWidget = ZObjectUtils::wrapBCP47CodeInFakeCodexChip( |
| 443 | $targetTypeDisplayCode, $targetTypeDisplayLabelLanguageName, $bcp47CodeClassName |
| 444 | ); |
| 445 | } |
| 446 | |
| 447 | $untitledStyle = $targetLabel === wfMessage( 'wikilambda-editor-default-name' )->text() ? |
| 448 | 'ext-wikilambda-viewpage-header--title-untitled' : null; |
| 449 | |
| 450 | $labelSpan = Html::element( |
| 451 | 'span', |
| 452 | [ |
| 453 | 'class' => [ |
| 454 | 'ext-wikilambda-viewpage-header-title', |
| 455 | 'ext-wikilambda-viewpage-header-title--function-name', |
| 456 | $untitledStyle |
| 457 | ] |
| 458 | ], |
| 459 | $targetLabel |
| 460 | ); |
| 461 | |
| 462 | $zidSpan = Html::element( |
| 463 | 'span', |
| 464 | [ |
| 465 | 'class' => 'ext-wikilambda-viewpage-header-zid' |
| 466 | ], |
| 467 | $title->getText() |
| 468 | ); |
| 469 | |
| 470 | $labelTitle = |
| 471 | // (T356731) When $targetDisplayLabelWidget is an empty string, colon-separator already |
| 472 | // adds/removes the needed/unneeded whitespace for languages. Always adding a |
| 473 | // space would unexpectedly add unneeded extra whitespace for languages including |
| 474 | // zh-hans, zh-hant, etc. |
| 475 | ( $targetDisplayLabelWidget === '' ? '' : $targetDisplayLabelWidget . ' ' ) |
| 476 | . $labelSpan . ' ' . $zidSpan; |
| 477 | |
| 478 | $typeSubtitle = Html::rawElement( |
| 479 | 'div', [ 'class' => 'ext-wikilambda-viewpage-header-type' ], |
| 480 | $targetDisplayTypeWidget . ' ' . Html::element( |
| 481 | 'span', |
| 482 | [ |
| 483 | 'class' => 'ext-wikilambda-viewpage-header-type-label' |
| 484 | ], |
| 485 | $targetTypeLabel |
| 486 | ) |
| 487 | ); |
| 488 | |
| 489 | return Html::rawElement( |
| 490 | 'span', |
| 491 | [ |
| 492 | // Mark the header in the correct language, regardless of the rest of the page |
| 493 | // … but mark it back into their requested language if it's actually untitled |
| 494 | 'lang' => ( $untitledStyle === null ? $userLang->getCode() : $targetTypeDisplayCode ), |
| 495 | 'class' => 'ext-wikilambda-viewpage-header' |
| 496 | ], |
| 497 | $labelTitle . $typeSubtitle |
| 498 | ); |
| 499 | } |
| 500 | |
| 501 | /** |
| 502 | * @param Content $content |
| 503 | * @param ValidationParams $validationParams |
| 504 | * @return StatusValue |
| 505 | */ |
| 506 | public function validateSave( $content, $validationParams ) { |
| 507 | if ( $content->isValid() ) { |
| 508 | return StatusValue::newGood(); |
| 509 | } |
| 510 | return StatusValue::newFatal( "wikilambda-invalidzobject" ); |
| 511 | } |
| 512 | |
| 513 | /** |
| 514 | * @inheritDoc |
| 515 | */ |
| 516 | public function preSaveTransform( Content $content, PreSaveTransformParams $pstParams ): Content { |
| 517 | '@phan-var ZObjectContent $content'; |
| 518 | |
| 519 | if ( !$content->isValid() ) { |
| 520 | return $content; |
| 521 | } |
| 522 | |
| 523 | $json = ZObjectUtils::canonicalize( $content->getObject() ); |
| 524 | $encoded = FormatJson::encode( $json, true, FormatJson::UTF8_OK ); |
| 525 | $encodedCleanedWhitespace = str_replace( [ "\r\n", "\r" ], "\n", rtrim( $encoded ) ); |
| 526 | |
| 527 | if ( $content->getText() !== $encodedCleanedWhitespace ) { |
| 528 | $contentClass = $this->getContentClass(); |
| 529 | return new $contentClass( $encodedCleanedWhitespace ); |
| 530 | } |
| 531 | |
| 532 | return $content; |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * @inheritDoc |
| 537 | */ |
| 538 | public function createDifferenceEngine( |
| 539 | IContextSource $context, |
| 540 | $oldContentRevisionId = 0, |
| 541 | $newContentRevisionId = 0, |
| 542 | $recentChangesId = 0, |
| 543 | $refreshCache = false, |
| 544 | $unhide = false |
| 545 | ) { |
| 546 | return new ZObjectContentDifferenceEngine( |
| 547 | $context, $oldContentRevisionId, $newContentRevisionId, $recentChangesId, $refreshCache, $unhide |
| 548 | ); |
| 549 | } |
| 550 | } |