From facccf7b455362b22b62f844bc5e2b20b01fe922 Mon Sep 17 00:00:00 2001
From: Antoine Vandecreme <ant.vand@gmail.com>
Date: Sat, 11 Jan 2014 19:25:27 -0500
Subject: [PATCH] Throw an error when trying to add a layer in collection mode.

---
 src/viewer.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/viewer.js b/src/viewer.js
index 6d57d945..bc40160a 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -1011,6 +1011,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
         if ( !tileSource ) {
             throw new Error( "No tile source provided as new layer." );
         }
+        if ( this.collectionMode ) {
+            throw new Error( "Layers not supported in collection mode." );
+        }
 
         function raiseAddLayerFailed( event ) {
              /**