From c82d5ba88e89d0ce956f325261b00ba55858bcb2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20Lemoine?= <eric.lemoine@gmail.com>
Date: Fri, 28 Mar 2014 16:09:52 +0100
Subject: [PATCH] Make the Modify interaction more robust

This prevents a JavaScript error when features are added while the interaction does not have a map.
---
 src/ol/interaction/modifyinteraction.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ol/interaction/modifyinteraction.js b/src/ol/interaction/modifyinteraction.js
index f9832ac122..9912e44ea4 100644
--- a/src/ol/interaction/modifyinteraction.js
+++ b/src/ol/interaction/modifyinteraction.js
@@ -156,7 +156,10 @@ ol.interaction.Modify.prototype.addFeature_ = function(evt) {
   if (goog.isDef(this.SEGMENT_WRITERS_[geometry.getType()])) {
     this.SEGMENT_WRITERS_[geometry.getType()].call(this, feature, geometry);
   }
-  this.handlePointerAtPixel_(this.lastPixel_, this.getMap());
+  var map = this.getMap();
+  if (!goog.isNull(map)) {
+    this.handlePointerAtPixel_(this.lastPixel_, map);
+  }
 };