1 files changed, 60 insertions, 0 deletions
diff --git a/resources/src/mediawiki/mediawiki.toc.js b/resources/src/mediawiki/mediawiki.toc.js
new file mode 100644
index 00000000..45338ea7
--- /dev/null
+++ b/resources/src/mediawiki/mediawiki.toc.js
@@ -0,0 +1,60 @@
+( function ( mw, $ ) {
+	'use strict';
+
+	// Table of contents toggle
+	mw.hook( 'wikipage.content' ).add( function ( $content ) {
+		var $toc, $tocTitle, $tocToggleLink, $tocList, hideToc;
+		$toc = $content.find( '#toc' );
+		$tocTitle = $content.find( '#toctitle' );
+		$tocToggleLink = $content.find( '#togglelink' );
+		$tocList = $toc.find( 'ul' ).eq( 0 );
+
+		// Hide/show the table of contents element
+		function toggleToc() {
+			if ( $tocList.is( ':hidden' ) ) {
+				$tocList.slideDown( 'fast' );
+				$tocToggleLink.text( mw.msg( 'hidetoc' ) );
+				$toc.removeClass( 'tochidden' );
+				$.cookie( 'mw_hidetoc', null, {
+					expires: 30,
+					path: '/'
+				} );
+			} else {
+				$tocList.slideUp( 'fast' );
+				$tocToggleLink.text( mw.msg( 'showtoc' ) );
+				$toc.addClass( 'tochidden' );
+				$.cookie( 'mw_hidetoc', '1', {
+					expires: 30,
+					path: '/'
+				} );
+			}
+		}
+
+		// Only add it if there is a complete TOC and it doesn't
+		// have a toggle added already
+		if ( $toc.length && $tocTitle.length && $tocList.length && !$tocToggleLink.length ) {
+			hideToc = $.cookie( 'mw_hidetoc' ) === '1';
+
+			$tocToggleLink = $( '<a href="#" id="togglelink"></a>' )
+				.text( hideToc ? mw.msg( 'showtoc' ) : mw.msg( 'hidetoc' ) )
+				.click( function ( e ) {
+					e.preventDefault();
+					toggleToc();
+				} );
+
+			$tocTitle.append(
+				$tocToggleLink
+					.wrap( '<span class="toctoggle"></span>' )
+					.parent()
+						.prepend( '&nbsp;[' )
+						.append( ']&nbsp;' )
+			);
+
+			if ( hideToc ) {
+				$tocList.hide();
+				$toc.addClass( 'tochidden' );
+			}
+		}
+	} );
+
+}( mediaWiki, jQuery ) );