From 8183164298fd40f96f9a2cab7dc3eb7f719b30d7 Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Thu, 12 Jul 2012 23:47:16 +0200
Subject: [PATCH] The underlying event will be needed frequently.

But there will also be events that don't have an underlying event, so we make it optional.
---
 src/ol/events/MapEvent.js | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/ol/events/MapEvent.js b/src/ol/events/MapEvent.js
index 33cda51ca7..4428d62761 100644
--- a/src/ol/events/MapEvent.js
+++ b/src/ol/events/MapEvent.js
@@ -24,9 +24,9 @@ ol.events.MapEventType = {
  * @constructor
  * @extends {goog.events.Event}
  * @param {string} type Event type.
- * @param {goog.events.Event} evt The wrapped event.
+ * @param {goog.events.Event=} opt_evt The underlying event.
  */
-ol.events.MapEvent = function(type, evt) {
+ol.events.MapEvent = function(type, opt_evt) {
     goog.base(this, type);
 
     /**
@@ -42,13 +42,12 @@ ol.events.MapEvent = function(type, evt) {
      * @type {number|undefined}
      */
     this.deltaY = undefined;
-
+    
     /**
-     * The browser event or closure event (e.g. goog.fx.DragEvent} wrapped
-     * by this event.
+     * The underlying event.
      *
      * @type {goog.events.Event}
      */
-    this.event_ = evt;
+    this.originalEvent = goog.isDef(opt_evt) ? opt_evt : null;
 };
 goog.inherits(ol.events.MapEvent, goog.events.Event);