( 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 = $( '' )
.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( '' )
.parent()
.prepend( ' [' )
.append( '] ' )
);
if ( hideToc ) {
$tocList.hide();
$this.addClass( 'tochidden' );
}
}
} );
} );
}( mediaWiki, jQuery ) );