MediaWiki:Gadget-HeadingLink.js

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// <source lang="javascript">
// This JavaScript will be loaded only for some pages, see MediaWiki:Common.js
// Copyright A. Plank
/*  
   This program is free software; you can redistribute it and/or modify it under the terms of 
   the EUPL v.1.1 or (at your option) the GNU General Public License as published by the Free 
   Software Foundation; either GPL v.3 or (at your option) any later version. This program is  
   distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the  
   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General  
   Public License (http://www.gnu.org/licenses/) for more details.  
 */
/* global $j */
/* add a link of the section while hovering it 
  DEPENDENCIES: jqueryEscapeId()
*/
switch (mw.config.get( 'wgNamespaceNumber' )) {
  case  0: // main namespace
  case 10: // template namespace
  case 12: // help namespace
    if ($j('h1,h2,h3,h4').length) {
      $j('h1,h2,h3,h4').mouseenter(function () {
        hrefID = $j(this).find('.mw-headline').attr('id');
        hrefID = hrefID === 'undefined' ? false : hrefID;
        hasCurRevisionId = mw.config.get( 'wgCurRevisionId') ? true : false;
        tmpArtilePath    = mw.config.get( 'wgServer') + 
            mw.config.get( 'wgArticlePath').replace(/\$1/, mw.config.get( 'wgPageName')) ;
        msgBoxHeadinglink = '<div id=linkmsg_' + hrefID + ' style=display:none class=js-messagebox >' + 
          ( $.jI18n.en.toolTipHeadingLinkHelp ? $.resource('toolTipHeadingLinkHelp') : '(1) Normal link to this head line or (2) the permanent link with version number:' ) +
          '<ol>' + 
            '<li>' + tmpArtilePath + ( hrefID ? '#' + hrefID : '' ) + '</li>' +
            ( hasCurRevisionId ? '<li>' + tmpArtilePath + '?oldid=' + mw.config.get('wgCurRevisionId') + ( hrefID ? '#' + hrefID : '' ) + '</li>' : '')  +
          '</ol></div>';
        $j(this).append(' ' 
        + '<span ' + 
          ' class="headinglink" ' + 
          ' onclick="' +
            '$j(this).parent().before( msgBoxHeadinglink );' + 
            '$j(jqueryEscapeId(\'#linkmsg_' + hrefID + '\')).slideDown(\'slow\');' + 
            '$j(jqueryEscapeId(\'#linkmsg_' + hrefID + '\')).mouseleave (function () {$j(this).slideUp(\'slow\', function () {$j(this).remove();});} );' + 
            '"' +
          ' style="color:#CCCCCC; margin-left:0.2em;" ' + 
          ' title="' + ( $.jI18n.en.toolTipHeadingLink ? $.resource('toolTipHeadingLink') : 'Click to get a (permanent) link of this headline' ) + '" ' + 
          ' >'
        +  '<img src="http://species-id.net/o/media/f/f9/Button-sprite_link-pale.png"  style="vertical-align:middle;" width="16" height="16">' 
        + '</span>');
      }).mouseleave(function () {
        $j(this).find('span.headinglink').remove();
      });
    }
    break;
}
// </source>