jquery.badge: Add ability to display the number zero.

[lhc/web/wiklou.git] / resources / jquery / jquery.badge.js

diff --git a/resources/jquery/jquery.badge.js b/resources/jquery/jquery.badge.js
index c8073d1..16e7196 100644 (file)
--- a/resources/jquery/jquery.badge.js
+++ b/resources/jquery/jquery.badge.js
@@ -27,22 +27,40 @@
         * will be appended to the selected element(s).
         * See mediawiki.org/wiki/ResourceLoader/Default_modules#jQuery.badge
         *
-        * @param text The value to display in the badge. If the value is falsey (0,
+        * @param {number|string} text The value to display in the badge. If the value is falsey (0,
         *   null, false, '', etc.), any existing badge will be removed.
-        * @param boolean inline True if the badge should be displayed inline, false
+        * @param {boolean} inline True if the badge should be displayed inline, false
         *   if the badge should overlay the parent element (default is inline)
+        * @param {boolean} displayZero True if the number zero should be displayed,
+        *   false if the number zero should result in the badge being hidden
+        *   (default is zero will result in the badge being hidden)
         */
-       $.fn.badge = function ( text, inline ) {
-               var $badge = this.find( '.mw-badge' );
+       $.fn.badge = function ( text, inline, displayZero ) {
+               var $badge = this.find( '.mw-badge' ),
+                       badgeStyleClass = 'mw-badge-' + ( inline ? 'inline' : 'overlay' ),
+                       isImportant = true;
+
+               // If we're displaying zero, ensure style to be non-important
+               if ( text === 0 && displayZero ) {
+                       isImportant = false;
+                       text = '0';
+               }
 
                if ( text ) {
                        // If a badge already exists, reuse it
                        if ( $badge.length ) {
-                               $badge.find( '.mw-badge-content' ).text( text );
+                               $badge
+                                       .toggleClass( 'mw-badge-important', isImportant )
+                                       .find( '.mw-badge-content' )
+                                               .text( text );
                        } else {
                                // Otherwise, create a new badge with the specified text and style
-                               $badge = $( '<div class="mw-badge mw-badge-' + ( inline ? 'inline' : 'overlay' ) + '"></div>' )
-                                       .append( $( '<span class="mw-badge-content"></span>' ).text ( text ) )
+                               $badge = $( '<div class="mw-badge"></div>' )
+                                       .addClass( badgeStyleClass )
+                                       .toggleClass( 'mw-badge-important', isImportant )
+                                       .append(
+                                               $( '<span class="mw-badge-content"></span>' ).text ( text )
+                                       )
                                        .appendTo( this );
                        }
                } else {