From 167ef4aa1e4e30a1f957595def95579a4b3397b0 Mon Sep 17 00:00:00 2001
From: danzel <danzel@localhost.geek.nz>
Date: Mon, 20 Aug 2012 10:59:27 +1200
Subject: [PATCH] Remove coverage polygon from map when we are removed from the
 map. Fixes #38

---
 src/MarkerClusterGroup.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/MarkerClusterGroup.js b/src/MarkerClusterGroup.js
index b68fdcf37..f685d8d82 100644
--- a/src/MarkerClusterGroup.js
+++ b/src/MarkerClusterGroup.js
@@ -192,6 +192,12 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 					shownPolygon = null;
 				}
 			}, this);
+			map.on('layerremove', function (opt) {
+				if (shownPolygon && opt.layer === this) {
+					map.removeLayer(shownPolygon);
+					shownPolygon = null;
+				}
+			}, this);
 		}
 	},