1 files changed, 102 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/EditPageForm.php b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/EditPageForm.php
new file mode 100644
index 00000000..b5d88f42
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/EditPageForm.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace SMW\MediaWiki\Hooks;
+
+use EditPage;
+use Html;
+use SMW\DIProperty;
+use SMW\Message;
+use SMW\NamespaceExaminer;
+
+/**
+ * @see https://www.mediawiki.org/wiki/Manual:Hooks/EditPage::showEditForm:initial
+ *
+ * @license GNU GPL v2+
+ * @since 2.1
+ *
+ * @author mwjames
+ */
+class EditPageForm extends HookHandler {
+
+	/**
+	 * @var NamespaceExaminer
+	 */
+	private $namespaceExaminer;
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param NamespaceExaminer $namespaceExaminer
+	 */
+	public function __construct( NamespaceExaminer $namespaceExaminer ) {
+		$this->namespaceExaminer = $namespaceExaminer;
+	}
+
+	/**
+	 * @since 2.1
+	 *
+	 * @param EditPage $editPage
+	 *
+	 * @return boolean
+	 */
+	public function process( EditPage $editPage ) {
+
+		if ( !$this->getOption( 'smwgEnabledEditPageHelp', false ) || $this->getOption( 'prefs-disable-editpage', false ) ) {
+			return true;
+		}
+
+		$this->updateEditPage( $editPage );
+
+		return true;
+	}
+
+	private function updateEditPage( $editPage ) {
+
+		$msgKey = $this->getMessageKey(
+			$editPage->getTitle()
+		);
+
+		$message = Message::get(
+			$msgKey,
+			Message::PARSE,
+			Message::USER_LANGUAGE
+		);
+
+		$html =	Html::rawElement(
+			'div',
+			[
+				'class' => 'smw-editpage-help'
+			],
+			Html::rawElement(
+				'p',
+				[
+					'data-msgKey' => $msgKey
+				],
+				$message
+			)
+		);
+
+		$editPage->editFormPageTop .= $html;
+	}
+
+	private function getMessageKey( $title ) {
+
+		$text = $title->getText();
+		$namespace = $title->getNamespace();
+
+		if ( $namespace === SMW_NS_PROPERTY ) {
+			if ( DIProperty::newFromUserLabel( $text )->isUserDefined() ) {
+				return 'smw-editpage-property-annotation-enabled';
+			} else {
+				return 'smw-editpage-property-annotation-disabled';
+			}
+		} elseif ( $namespace === SMW_NS_CONCEPT ) {
+			return 'smw-editpage-concept-annotation-enabled';
+		} elseif ( $this->namespaceExaminer->isSemanticEnabled( $namespace ) ) {
+			return 'smw-editpage-annotation-enabled';
+		}
+
+		return 'smw-editpage-annotation-disabled';
+	}
+
+}