resources/jquery/jquery.badge.js

   1 /**
   2  * jQuery Badge plugin
   3  *
   4  * @license MIT
   5  */
   6
   7 /**
   8  * @author Ryan Kaldari <rkaldari@wikimedia.org>, 2012
   9  * @author Andrew Garrett <agarrett@wikimedia.org>, 2012
  10  * @author Marius Hoch <hoo@online.de>, 2012
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a copy
  13  * of this software and associated documentation files (the "Software"), to deal
  14  * in the Software without restriction, including without limitation the rights
  15  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  16  * copies of the Software, and to permit persons to whom the Software is
  17  * furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice shall be included in
  20  * all copies or substantial portions of the Software.
  21  *
  22  * This program is distributed WITHOUT ANY WARRANTY.
  23  */
  24 ( function ( $, mw ) {
  25         /**
  26          * Allows you to put a "badge" on an item on the page. The badge container
  27          * will be appended to the selected element(s).
  28          * See mediawiki.org/wiki/ResourceLoader/Default_modules#jQuery.badge
  29          *
  30          * @param {number|string} text The value to display in the badge. If the value is falsey (0,
  31          *  null, false, '', etc.), any existing badge will be removed.
  32          * @param {boolean} inline True if the badge should be displayed inline, false
  33          *  if the badge should overlay the parent element (default is inline)
  34          * @param {boolean} displayZero True if the number zero should be displayed,
  35          *  false if the number zero should result in the badge being hidden
  36          *  (default is zero will result in the badge being hidden)
  37          */
  38         $.fn.badge = function ( text, inline, displayZero ) {
  39                 var $badge = this.find( '.mw-badge' ),
  40                         badgeStyleClass = 'mw-badge-' + ( inline ? 'inline' : 'overlay' ),
  41                         isImportant = true, displayBadge = true;
  42
  43                 // If we're displaying zero, ensure style to be non-important
  44                 if ( mw.language.convertNumber( text, true ) === 0 ) {
  45                         isImportant = false;
  46                         if ( !displayZero ) {
  47                                 displayBadge = false;
  48                         }
  49                 // If text is falsey (besides 0), hide the badge
  50                 } else if ( !text ) {
  51                         displayBadge = false;
  52                 }
  53
  54                 if ( displayBadge ) {
  55                         // If a badge already exists, reuse it
  56                         if ( $badge.length ) {
  57                                 $badge
  58                                         .toggleClass( 'mw-badge-important', isImportant )
  59                                         .find( '.mw-badge-content' )
  60                                                 .text( text );
  61                         } else {
  62                                 // Otherwise, create a new badge with the specified text and style
  63                                 $badge = $( '<div class="mw-badge"></div>' )
  64                                         .addClass( badgeStyleClass )
  65                                         .toggleClass( 'mw-badge-important', isImportant )
  66                                         .append(
  67                                                 $( '<span class="mw-badge-content"></span>' ).text( text )
  68                                         )
  69                                         .appendTo( this );
  70                         }
  71                 } else {
  72                         $badge.remove();
  73                 }
  74                 return this;
  75         };
  76 }( jQuery, mediaWiki ) );