MediaWiki:Bugfix-modules ext.vector.collapsibleNav.js

Note: After saving, you may have to bypass your browser's cache to see the changes.

• Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
• Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
• Internet Explorer: Hold Ctrl while clicking Refresh, or press Ctrl-F5
• Opera: Clear the cache in Tools → Preferences

/* 
   This is a work around that should overwrite the buggy modules/ext.vector.collapsibleNav.js that assumes h3 instead of actually used h5
   See:
   * https://bugzilla.wikimedia.org/show_bug.cgi?id=42354
   * https://bugzilla.wikimedia.org/show_bug.cgi?id=43227

 */
/**
 * Collapisble navigation for Vector
 */
( function ( mw, $ ) {
  "use strict";
  var map, version;

  // Use the same function for all navigation headings - don't repeat
  function toggle( $element ) {
    $.cookie(
      'vector-nav-' + $element.parent().attr( 'id' ),
      $element.parent().is( '.collapsed' ),
      { 'expires': 30, 'path': '/' }
    );
    $element
      .parent()
      .toggleClass( 'expanded' )
      .toggleClass( 'collapsed' )
      .find( '.body' )
      .slideToggle( 'fast' );
  }

  /* Browser Support */

  map = {
    // Left-to-right languages
    ltr: {
      // Collapsible Nav is broken in Opera < 9.6 and Konqueror < 4
      opera: [['>=', 9.6]],
      konqueror: [['>=', 4.0]],
      blackberry: false,
      ipod: false,
      iphone: false,
      ps3: false
    },
    // Right-to-left languages
    rtl: {
      opera: [['>=', 9.6]],
      konqueror: [['>=', 4.0]],
      blackberry: false,
      ipod: false,
      iphone: false,
      ps3: false
    }
  };
  if ( !$.client.test( map ) ) {
    return true;
  }

  /* Bucket Testing */

  // Fallback to old version
  version = 1;
  // Allow new version override
  if ( mw.config.get( 'wgCollapsibleNavForceNewVersion' ) ) {
    version = 2;
  } else {
    // Make bucket testing optional
    if ( mw.config.get( 'wgCollapsibleNavBucketTest' ) ) {
      // This is be determined randomly, and then stored in a cookie
      version = $.cookie( 'vector-nav-pref-version' );
      // If the cookie didn't exist, or the value is out of range, generate a new one and save it
      if ( version === null ) {
        // 50% of the people will get the new version
        version = Math.round( Math.random() + 1 );
        $.cookie( 'vector-nav-pref-version', version, {
          expires: 30,
          path: '/'
        });
      }
    }
  }

  $( function ( $ ) {
    var limit, threshold, languages, acceptLangCookie,
      $primary, $secondary,
      i, $link, count,
      $headings, tabIndex;

    /* Special Language Portal Handling */

    // Language portal splitting feature (if it's turned on)
    if ( version === 2 ) {
      // How many links to show in the primary languages portal
      limit = 5;
      // How many links there must be in the secondary portal to justify having a secondary portal
      threshold = 3;
      // Make the interwiki language links list a secondary list, and create a new list before it as primary list
      $( '#p-lang ul' ).addClass( 'secondary' ).before( '<ul class="primary"></ul>' );
      // This is a list of languages in order of Wikipedia project size. This is the lowest fallback for choosing
      // which links to show in the primary list. Ideally the browser's accept-language headers should steer this
      // list, and we should fallback on a site configured (MediaWiki:Common.js) list of prefered languages.
      languages = [
        'en', 'fr', 'de', 'es', 'pt', 'it', 'ru', 'ja', 'nl', 'pl', 'zh', 'sv', 'ar', 'tr', 'uk', 'fi', 'no', 'ca',
        'ro', 'hu', 'ksh', 'id',  'he', 'cs', 'vi', 'ko', 'sr', 'fa', 'da', 'eo', 'sk', 'th', 'lt', 'vo', 'bg',
        'sl', 'hr', 'hi', 'et', 'mk', 'simple', 'new', 'ms', 'nn', 'gl', 'el', 'eu', 'ka', 'tl', 'bn', 'lv', 'ml',
        'bs', 'te', 'la', 'az', 'sh', 'war', 'br', 'is', 'mr', 'be-x-old', 'sq', 'cy', 'lb', 'ta', 'zh-classical',
        'an', 'jv', 'ht', 'oc', 'bpy', 'ceb', 'ur', 'zh-yue', 'pms', 'scn', 'be', 'roa-rup', 'qu', 'af', 'sw',
        'nds', 'fy', 'lmo', 'wa', 'ku', 'hy', 'su', 'yi', 'io', 'os', 'ga', 'ast', 'nap', 'vec', 'gu', 'cv',
        'bat-smg', 'kn', 'uz', 'zh-min-nan', 'si', 'als', 'yo', 'li', 'gan', 'arz', 'sah', 'tt', 'bar', 'gd', 'tg',
        'kk', 'pam', 'hsb', 'roa-tara', 'nah', 'mn', 'vls', 'gv', 'mi', 'am', 'ia', 'co', 'ne', 'fo', 'nds-nl',
        'glk', 'mt', 'ang', 'wuu', 'dv', 'km', 'sco', 'bcl', 'mg', 'my', 'diq', 'tk', 'szl', 'ug', 'fiu-vro', 'sc',
        'rm', 'nrm', 'ps', 'nv', 'hif', 'bo', 'se', 'sa', 'pnb', 'map-bms', 'lad', 'lij', 'crh', 'fur', 'kw', 'to',
        'pa', 'jbo', 'ba', 'ilo', 'csb', 'wo', 'xal', 'krc', 'ckb', 'pag', 'ln', 'frp', 'mzn', 'ce', 'nov', 'kv',
        'eml', 'gn', 'ky', 'pdc', 'lo', 'haw', 'mhr', 'dsb', 'stq', 'tpi', 'arc', 'hak', 'ie', 'so', 'bh', 'ext',
        'mwl', 'sd', 'ig', 'myv', 'ay', 'iu', 'na', 'cu', 'pi', 'kl', 'ty', 'lbe', 'ab', 'got', 'sm', 'as', 'mo',
        'ee', 'zea', 'av', 'ace', 'kg', 'bm', 'cdo', 'cbk-zam', 'kab', 'om', 'chr', 'pap', 'udm', 'ks', 'zu', 'rmy',
        'cr', 'ch', 'st', 'ik', 'mdf', 'kaa', 'aa', 'fj', 'srn', 'tet', 'or', 'pnt', 'bug', 'ss', 'ts', 'pcd',
        'pih', 'za', 'sg', 'lg', 'bxr', 'xh', 'ak', 'ha', 'bi', 've', 'tn', 'ff', 'dz', 'ti', 'ki', 'ny', 'rw',
        'chy', 'tw', 'sn', 'tum', 'ng', 'rn', 'mh', 'ii', 'cho', 'hz', 'kr', 'ho', 'mus', 'kj'
      ];
      // If the user has an Accept-Language cookie, use it. Otherwise, set it asynchronously but keep the default
      // behavior for this page view.
      acceptLangCookie = $.cookie( 'accept-language' );
      if ( acceptLangCookie !== null ) {
        // Put the user's accepted languages before the list ordered by wiki size
        if ( acceptLangCookie !== '' ) {
          languages = acceptLangCookie.split( ',' ).concat( languages );
        }
      } else {
        $.getJSON(
          mw.util.wikiScript( 'api' ),
          'format=json&action=query&meta=userinfo&uiprop=acceptlang',
          function ( data ) {
            var langs = [], j, len, lang;
            if ( data.query &&
                data.query.userinfo &&
                data.query.userinfo.acceptlang !== undefined
            ) {
              for ( j = 0, lang = data.query.userinfo.acceptlang, len = lang.length; j < len; j++ ) {
                if ( lang[j].q !== 0 ) {
                  langs.push( lang[j]['*'] );
                }
              }
            }
            $.cookie( 'accept-language', langs.join( ',' ), {
              path: '/',
              expires: 30
            });
          }
        );
      }
      // Shortcuts to the two lists
      $primary = $( '#p-lang ul.primary' );
      $secondary = $( '#p-lang ul.secondary' );
      // Adjust the limit based on the threshold
      if ( $secondary.children().length < limit + threshold ) {
        limit += threshold;
      }
      // Move up to 5 of the links into the primary list, based on the priorities set forth in the languages list
      count = 0;
      for ( i = 0; i < languages.length; i++ ) {
        $link = $secondary.find( '.interwiki-' + languages[i] );
        if ( $link.length ) {
          if ( count++ < limit ) {
            $link.appendTo( $primary );
          } else {
            break;
          }
        }
      }
      // If there's still links in the secondary list and we havn't filled the primary list to it's limit yet, move
      // links into the primary list in order of appearance
      if ( count < limit ) {
        $secondary.children().each( function () {
          if ( count++ < limit ) {
            $(this).appendTo( $primary );
          } else {
            return false;
          }
        } );
      }
      // Hide the more portal if it's now empty, otherwise make the list into it's very own portal
      if ( $secondary.children().length === 0 ) {
        $secondary.remove();
      } else {
        $( '#p-lang' ).after( '<div id="p-lang-more" class="portal"><h5></h5><div class="body"></div></div>' );
        $( '#p-lang-more h5' ).text( mw.msg( 'vector-collapsiblenav-more' ) );
        $secondary.appendTo( $( '#p-lang-more .body' ) );
      }
      // Always show the primary interwiki language portal
      $( '#p-lang' ).addClass( 'persistent' );
    }

    /* General Portal Modification */

    // Always show the first portal
    $( '#mw-panel > .portal:first' ).addClass( 'first persistent' );
    // Apply a class to the entire panel to activate styles
    $( '#mw-panel' ).addClass( 'collapsible-nav' );
    // Use cookie data to restore preferences of what to show and hide
    $( '#mw-panel > .portal:not(.persistent)' )
      .each( function ( i ) {
        var id = $(this).attr( 'id' ),
          state = $.cookie( 'vector-nav-' + id );
        // Add anchor tag to heading for better accessibility
        $( this ).find( 'h5' ).wrapInner( $( '<a href="#"></a>' ).click( false ) );
        // In the case that we are not showing the new version, let's show the languages by default
        if (
          state === 'true' ||
          ( state === null && i < 1 ) ||
          ( state === null && version === 1 && id === 'p-lang' )
        ) {
          $(this)
            .addClass( 'expanded' )
            .removeClass( 'collapsed' )
            .find( '.body' )
            .hide() // bug 34450
            .show();
        } else {
          $(this)
            .addClass( 'collapsed' )
            .removeClass( 'expanded' );
        }
        // Re-save cookie
        if ( state !== null ) {
          $.cookie( 'vector-nav-' + $(this).attr( 'id' ), state, { 'expires': 30, 'path': '/' } );
        }
      } );

    /* Tab Indexing */

    $headings = $( '#mw-panel > .portal:not(.persistent) > h5' );

    // Get the highest tab index
    tabIndex = $( document ).lastTabIndex() + 1;

    // Fix the search not having a tabindex
    $( '#searchInput' ).attr( 'tabindex', tabIndex++ );

    // Make it keyboard accessible
    $headings.attr( 'tabindex', function () {
      return tabIndex++;
    });

    // Toggle the selected menu's class and expand or collapse the menu
    $( '#mw-panel' )
      .delegate( '.portal:not(.persistent) > h5', 'keydown', function ( e ) {
        // Make the space and enter keys act as a click
        if ( e.which === 13 /* Enter */ || e.which === 32 /* Space */ ) {
          toggle( $(this) );
        }
      } )
      .delegate( '.portal:not(.persistent) > h5', 'mousedown', function ( e ) {
        if ( e.which !== 3 ) { // Right mouse click
          toggle( $(this) );
          $(this).blur();
        }
        return false;
      } );
  });

}( mediaWiki, jQuery ) );