From 33d252f0f7b50b6f42616c2b2052e1cf80e3be5a Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Thu, 19 Jul 2012 10:08:35 +0200
Subject: [PATCH] Only start drag pan if shift key is not pressed

---
 src/ol/control/dragpan.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/ol/control/dragpan.js b/src/ol/control/dragpan.js
index 4c8f85e22d..f0390b2c56 100644
--- a/src/ol/control/dragpan.js
+++ b/src/ol/control/dragpan.js
@@ -1,6 +1,5 @@
 goog.provide('ol.control.DragPan');
 
-goog.require('goog.functions');
 goog.require('goog.math.Coordinate');
 goog.require('ol.MapBrowserEvent');
 goog.require('ol.control.Drag');
@@ -33,4 +32,12 @@ ol.control.DragPan.prototype.handleDrag = function(mapBrowserEvent) {
 /**
  * @inheritDoc
  */
-ol.control.DragPan.prototype.handleDragStart = goog.functions.TRUE;
+ol.control.DragPan.prototype.handleDragStart = function(mapBrowserEvent) {
+  var browserEventObject = mapBrowserEvent.getBrowserEventObject();
+  if (!browserEventObject.shiftKey) {
+    browserEventObject.preventDefault();
+    return true;
+  } else {
+    return false;
+  }
+};