From 00225202a26b07fdcccf237e9302eefe686ad2a5 Mon Sep 17 00:00:00 2001
From: Mike Taylor <mike@indexdata.com>
Date: Thu, 24 Apr 2014 12:45:11 +0100
Subject: [PATCH] Remove any old category filters when setting a new one. The
 special empty category-id means not to use a filter at all.

---
 src/mkws-team.js |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mkws-team.js b/src/mkws-team.js
index 8d33d9e..b02b441 100644
--- a/src/mkws-team.js
+++ b/src/mkws-team.js
@@ -185,7 +185,9 @@ function team($, teamName) {
 
     that.limitCategory = function(id) {
 	log("limitCategory(id=" + id + ")");
-	m_filterSet.add(categoryFilter(id));
+        // Only one category filter at a time
+	m_filterSet.removeMatching(function(f) { return f.type === 'category' });        
+        if (id !== '') m_filterSet.add(categoryFilter(id));
         if (m_query) triggerSearch();
 	return false;
     };
-- 
1.7.10.4