resources/src/mediawiki/mediawiki.toc.js

   1 ( function ( mw, $ ) {
   2         'use strict';
   3
   4         // Table of contents toggle
   5         mw.hook( 'wikipage.content' ).add( function ( $content ) {
   6                 var $toc, $tocTitle, $tocToggleLink, $tocList, hideToc;
   7                 $toc = $content.find( '#toc' );
   8                 $tocTitle = $content.find( '#toctitle' );
   9                 $tocToggleLink = $content.find( '#togglelink' );
  10                 $tocList = $toc.find( 'ul' ).eq( 0 );
  11
  12                 // Hide/show the table of contents element
  13                 function toggleToc( e ) {
  14                         e.preventDefault();
  15                         if ( $tocList.is( ':hidden' ) ) {
  16                                 $tocList.slideDown( 'fast' );
  17                                 $tocToggleLink.text( mw.msg( 'hidetoc' ) );
  18                                 $toc.removeClass( 'tochidden' );
  19                                 mw.cookie.set( 'hidetoc', null );
  20                         } else {
  21                                 $tocList.slideUp( 'fast' );
  22                                 $tocToggleLink.text( mw.msg( 'showtoc' ) );
  23                                 $toc.addClass( 'tochidden' );
  24                                 mw.cookie.set( 'hidetoc', '1' );
  25                         }
  26                 }
  27
  28                 // Only add it if there is a complete TOC and it doesn't
  29                 // have a toggle added already
  30                 if ( $toc.length && $tocTitle.length && $tocList.length && !$tocToggleLink.length ) {
  31                         hideToc = mw.cookie.get( 'hidetoc' ) === '1';
  32
  33                         $tocToggleLink = $( '<a href="#" id="togglelink"></a>' )
  34                                 .text( mw.msg( hideToc ? 'showtoc' : 'hidetoc' ) )
  35                                 .click( toggleToc );
  36
  37                         $tocTitle.append(
  38                                 $tocToggleLink
  39                                         .wrap( '<span class="toctoggle"></span>' )
  40                                         .parent()
  41                                                 .prepend( '&nbsp;[' )
  42                                                 .append( ']&nbsp;' )
  43                         );
  44
  45                         if ( hideToc ) {
  46                                 $tocList.hide();
  47                                 $toc.addClass( 'tochidden' );
  48                         }
  49                 }
  50         } );
  51
  52 }( mediaWiki, jQuery ) );