1 files changed, 93 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/BeforePageDisplay.php b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/BeforePageDisplay.php
new file mode 100644
index 00000000..34324af1
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/BeforePageDisplay.php
@@ -0,0 +1,93 @@
+<?php
+
+namespace SMW\MediaWiki\Hooks;
+
+use OutputPage;
+use Skin;
+use SpecialPage;
+use Title;
+use SMW\Message;
+use Html;
+
+/**
+ * BeforePageDisplay hook which allows last minute changes to the
+ * output page, e.g. adding of CSS or JavaScript
+ *
+ * @see https://www.mediawiki.org/wiki/Manual:Hooks/BeforePageDisplay
+ *
+ * @license GNU GPL v2+
+ * @since 1.9
+ *
+ * @author mwjames
+ */
+class BeforePageDisplay extends HookHandler {
+
+	/**
+	 * @since 1.9
+	 *
+	 * @param OutputPage $outputPage,
+	 * @param Skin $skin
+	 *
+	 * @return boolean
+	 */
+	public function process( OutputPage $outputPage, Skin $skin ) {
+
+		$title = $outputPage->getTitle();
+		$user = $outputPage->getUser();
+
+		// MW 1.26 / T107399 / Async RL causes style delay
+		$outputPage->addModuleStyles(
+			[
+				'ext.smw.style',
+				'ext.smw.tooltip.styles'
+			]
+		);
+
+		// Add style resources to avoid unstyled content
+		$outputPage->addModules( 'ext.smw.style' );
+
+		// #2726
+		if ( $user->getOption( 'smw-prefs-general-options-suggester-textinput' ) ) {
+			$outputPage->addModules( 'ext.smw.suggester.textInput' );
+		}
+
+		if ( ( $tasks = $this->getOption( 'installer.incomplete_tasks', [] ) ) !== [] ) {
+			$outputPage->prependHTML( $this->incompleteTasksHTML( $tasks ) );
+		}
+
+		// Add export link to the head
+		if ( $title instanceof Title && !$title->isSpecialPage() ) {
+			$link['rel']   = 'alternate';
+			$link['type']  = 'application/rdf+xml';
+			$link['title'] = $title->getPrefixedText();
+			$link['href']  = SpecialPage::getTitleFor( 'ExportRDF', $title->getPrefixedText() )->getLocalUrl( 'xmlmime=rdf' );
+			$outputPage->addLink( $link );
+		}
+
+		$request = $skin->getContext()->getRequest();
+
+		if ( in_array( $request->getVal( 'action' ), [ 'delete', 'edit', 'protect', 'unprotect', 'diff', 'history' ] ) || $request->getVal( 'diff' ) ) {
+			return true;
+		}
+
+		return true;
+	}
+
+	private function incompleteTasksHTML( array $messages ) {
+
+		$html = '';
+
+		foreach ( $messages as $message ) {
+			$html .= Html::rawElement( 'li', [], Message::get( $message, Message::PARSE ) );
+		}
+
+		return Html::rawElement(
+			'div',
+			[
+				'class' => 'smw-callout smw-callout-error plainlinks'
+			],
+			Message::get( 'smw-install-incomplete-intro' ) . "<ul>$html</ul>"
+		);
+	}
+
+}