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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Wikisource\HookHandler; |
| 4 | |
| 5 | use Article; |
| 6 | use MediaWiki\Config\Config; |
| 7 | use MediaWiki\Extension\Wikisource\WsExport; |
| 8 | use MediaWiki\Language\Language; |
| 9 | use MediaWiki\Page\Hook\ArticleViewHeaderHook; |
| 10 | use MediaWiki\Parser\ParserOutput; |
| 11 | use MediaWiki\Registration\ExtensionRegistry; |
| 12 | use OOUI\ButtonWidget; |
| 13 | |
| 14 | class ArticleViewHeaderHandler implements ArticleViewHeaderHook { |
| 15 | |
| 16 | /** @var WsExport */ |
| 17 | private $wsExport; |
| 18 | |
| 19 | /** @var int[] */ |
| 20 | private $allowNamespaces; |
| 21 | |
| 22 | /** |
| 23 | * @param Config $config |
| 24 | * @param Language $contentLanguage |
| 25 | */ |
| 26 | public function __construct( Config $config, Language $contentLanguage ) { |
| 27 | $this->wsExport = new WsExport( |
| 28 | $contentLanguage, |
| 29 | $config->get( 'WikisourceWsExportUrl' ), |
| 30 | $config->get( 'ServerName' ) |
| 31 | ); |
| 32 | |
| 33 | if ( ExtensionRegistry::getInstance()->isLoaded( 'ProofreadPage' ) ) { |
| 34 | $this->allowNamespaces = $config->get( 'ProofreadPageBookNamespaces' ); |
| 35 | } else { |
| 36 | // We should not be here since Wikisource is supposed to be loaded with ProofreadPage, |
| 37 | // but just in case we default to only main namespace. |
| 38 | $this->allowNamespaces = [ NS_MAIN ]; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * @param Article $article |
| 44 | * @param bool|ParserOutput &$outputDone |
| 45 | * @param bool &$pcache |
| 46 | * @return bool|void |
| 47 | */ |
| 48 | public function onArticleViewHeader( $article, &$outputDone, &$pcache ) { |
| 49 | // Only show on pages that exist (and not the mainpage or a disambiguation page). |
| 50 | // and are allowed to host books as (based on a |
| 51 | // per-wiki configuration variable, $wgProofreadPageBookNamespaces). |
| 52 | if ( !$article->getTitle()->inNamespaces( $this->allowNamespaces ) |
| 53 | || !$article->getTitle()->exists() |
| 54 | || $article->getTitle()->isMainPage() |
| 55 | || $article->getParserOutput()->getPageProperty( 'disambiguation' ) !== null |
| 56 | ) { |
| 57 | return; |
| 58 | } |
| 59 | |
| 60 | $out = $article->getContext()->getOutput(); |
| 61 | $out->enableOOUI(); |
| 62 | $button = new ButtonWidget( [ |
| 63 | 'href' => $this->wsExport->getExportUrl( $article->getTitle(), 'epub' ), |
| 64 | 'label' => $article->getContext()->msg( 'wikisource-download-button' )->text(), |
| 65 | 'title' => $article->getContext()->msg( 'wikisource-download-epub-tooltip' )->text(), |
| 66 | 'flags' => [ 'primary', 'progressive' ], |
| 67 | 'classes' => [ 'ext-wikisource-download-button' ], |
| 68 | 'infusable' => true, |
| 69 | 'data' => [ 'wsExportUrl' => $this->wsExport->getBaseUrl() ], |
| 70 | ] ); |
| 71 | $out->addModules( [ 'ext.wikisource.download' ] ); |
| 72 | $out->addModuleStyles( 'ext.wikisource.icons' ); |
| 73 | // @HACK: Add a tilde to force sorting towards the end of the indicator list, |
| 74 | // because there's no way to set the indicators' order. |
| 75 | // Its ID ends up as #mw-indicator-.7Eext-wikisource-download |
| 76 | $out->setIndicators( [ '~ext-wikisource-download' => $button->toString() ] ); |
| 77 | } |
| 78 | } |