1 files changed, 67 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki/page/rollback.js b/www/wiki/resources/src/mediawiki/page/rollback.js
new file mode 100644
index 00000000..6db518db
--- /dev/null
+++ b/www/wiki/resources/src/mediawiki/page/rollback.js
@@ -0,0 +1,67 @@
+/*!
+ * Enhance rollback links by using asynchronous API requests,
+ * rather than navigating to an action page.
+ *
+ * @since 1.28
+ * @author Timo Tijhof
+ */
+( function ( mw, $ ) {
+
+	$( function () {
+		$( '.mw-rollback-link' ).on( 'click', 'a[data-mw="interface"]', function ( e ) {
+			var api, $spinner,
+				$link = $( this ),
+				url = this.href,
+				page = mw.util.getParamValue( 'title', url ),
+				user = mw.util.getParamValue( 'from', url );
+
+			if ( !page || user === null ) {
+				// Let native browsing handle the link
+				return true;
+			}
+
+			// Preload the notification module for mw.notify
+			mw.loader.load( 'mediawiki.notification' );
+
+			// Remove event handler so that next click (re-try) uses server action
+			$( e.delegateTarget ).off( 'click' );
+
+			// Hide the link and create a spinner to show it inside the brackets.
+			$spinner = $.createSpinner( { size: 'small', type: 'inline' } );
+			$link.hide().after( $spinner );
+
+			// @todo: data.messageHtml is no more. Convert to using errorformat=html.
+			api = new mw.Api();
+			api.rollback( page, user )
+				.then( function ( data ) {
+					mw.notify( $.parseHTML( data.messageHtml ), {
+						title: mw.msg( 'actioncomplete' )
+					} );
+
+					// Remove link container and the subsequent text node containing " | ".
+					if ( e.delegateTarget.nextSibling && e.delegateTarget.nextSibling.nodeType === Node.TEXT_NODE ) {
+						$( e.delegateTarget.nextSibling ).remove();
+					}
+					$( e.delegateTarget ).remove();
+				}, function ( errorCode, data ) {
+					var message = data && data.error && data.error.messageHtml ?
+							$.parseHTML( data.error.messageHtml ) :
+							mw.msg( 'rollbackfailed' ),
+						type = errorCode === 'alreadyrolled' ? 'warn' : 'error';
+
+					mw.notify( message, {
+						type: type,
+						title: mw.msg( 'rollbackfailed' ),
+						autoHide: false
+					} );
+
+					// Restore the link (enables user to try again)
+					$spinner.remove();
+					$link.show();
+				} );
+
+			e.preventDefault();
+		} );
+	} );
+
+}( mediaWiki, jQuery ) );