From 507fd0b86d282f8cd8071cbc094a943c8c7173e5 Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Thu, 17 Sep 2009 13:08:52 +0000
Subject: [PATCH] change getDateExtent() so it does not break when the layer
 has features without geometry. p=fvanderbiest, r=me (closes #2267)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@9674 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Layer/Vector.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/lib/OpenLayers/Layer/Vector.js b/lib/OpenLayers/Layer/Vector.js
index 8ac538eda9..16751b4f57 100644
--- a/lib/OpenLayers/Layer/Vector.js
+++ b/lib/OpenLayers/Layer/Vector.js
@@ -807,14 +807,17 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
      */
     getDataExtent: function () {
         var maxExtent = null;
-
-        if(this.features && (this.features.length > 0)) {
+        var features = this.features;
+        if(features && (features.length > 0)) {
             maxExtent = new OpenLayers.Bounds();
-            for(var i=0, len=this.features.length; i<len; i++) {
-                maxExtent.extend(this.features[i].geometry.getBounds());
+            var geometry = null;
+            for(var i=0, len=features.length; i<len; i++) {
+                geometry = features[i].geometry;
+                if (geometry) {
+                    maxExtent.extend(geometry.getBounds());
+                }
             }
         }
-
         return maxExtent;
     },