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() {
  14                         if ( $tocList.is( ':hidden' ) ) {
  15                                 $tocList.slideDown( 'fast' );
  16                                 $tocToggleLink.text( mw.msg( 'hidetoc' ) );
  17                                 $toc.removeClass( 'tochidden' );
  18                                 $.cookie( 'mw_hidetoc', null, {
  19                                         expires: 30,
  20                                         path: '/'
  21                                 } );
  22                         } else {
  23                                 $tocList.slideUp( 'fast' );
  24                                 $tocToggleLink.text( mw.msg( 'showtoc' ) );
  25                                 $toc.addClass( 'tochidden' );
  26                                 $.cookie( 'mw_hidetoc', '1', {
  27                                         expires: 30,
  28                                         path: '/'
  29                                 } );
  30                         }
  31                 }
  32
  33                 // Only add it if there is a complete TOC and it doesn't
  34                 // have a toggle added already
  35                 if ( $toc.length && $tocTitle.length && $tocList.length && !$tocToggleLink.length ) {
  36                         hideToc = $.cookie( 'mw_hidetoc' ) === '1';
  37
  38                         $tocToggleLink = $( '<a href="#" id="togglelink"></a>' )
  39                                 .text( hideToc ? mw.msg( 'showtoc' ) : mw.msg( 'hidetoc' ) )
  40                                 .click( function ( e ) {
  41                                         e.preventDefault();
  42                                         toggleToc();
  43                                 } );
  44
  45                         $tocTitle.append(
  46                                 $tocToggleLink
  47                                         .wrap( '<span class="toctoggle"></span>' )
  48                                         .parent()
  49                                                 .prepend( '&nbsp;[' )
  50                                                 .append( ']&nbsp;' )
  51                         );
  52
  53                         if ( hideToc ) {
  54                                 $tocList.hide();
  55                                 $toc.addClass( 'tochidden' );
  56                         }
  57                 }
  58         } );
  59
  60 }( mediaWiki, jQuery ) );