1 files changed, 60 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki/mediawiki.toc.js b/www/wiki/resources/src/mediawiki/mediawiki.toc.js
new file mode 100644
index 00000000..5e10a5be
--- /dev/null
+++ b/www/wiki/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 ) {
+		$content.find( '.toc' ).addBack( '.toc' ).each( function () {
+			var hideToc,
+				$this = $( this ),
+				$tocTitle = $this.find( '.toctitle' ),
+				$tocToggleLink = $this.find( '.togglelink' ),
+				$tocList = $this.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' ) );
+					$this.removeClass( 'tochidden' );
+					mw.cookie.set( 'hidetoc', null );
+				} else {
+					$tocList.slideUp( 'fast' );
+					$tocToggleLink.text( mw.msg( 'showtoc' ) );
+					$this.addClass( 'tochidden' );
+					mw.cookie.set( 'hidetoc', '1' );
+				}
+			}
+
+			// Only add it if there is a complete TOC and it doesn't
+			// have a toggle added already
+			if ( $tocTitle.length && $tocList.length && !$tocToggleLink.length ) {
+				hideToc = mw.cookie.get( 'hidetoc' ) === '1';
+
+				$tocToggleLink = $( '<a role="button" tabindex="0" class="togglelink"></a>' )
+					.text( mw.msg( hideToc ? 'showtoc' : 'hidetoc' ) )
+					.on( 'click keypress', function ( e ) {
+						if (
+							e.type === 'click' ||
+							e.type === 'keypress' && e.which === 13
+						) {
+							toggleToc();
+						}
+					} );
+
+				$tocTitle.append(
+					$tocToggleLink
+						.wrap( '<span class="toctoggle"></span>' )
+						.parent()
+						.prepend( '&nbsp;[' )
+						.append( ']&nbsp;' )
+				);
+
+				if ( hideToc ) {
+					$tocList.hide();
+					$this.addClass( 'tochidden' );
+				}
+			}
+		} );
+	} );
+
+}( mediaWiki, jQuery ) );