From 863134128d0415da46b19f5050d48f8750c0e7d1 Mon Sep 17 00:00:00 2001
From: kovacsv <kowik1984@gmail.com>
Date: Tue, 14 Oct 2014 19:22:43 +0200
Subject: [PATCH] Write error on canvas if error happen.

---
 embeddable/include/online3dembedder.js | 25 ++++++++++++++-----------
 embeddable/index.html                  |  1 +
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/embeddable/include/online3dembedder.js b/embeddable/include/online3dembedder.js
index 00c5379..e008647 100644
--- a/embeddable/include/online3dembedder.js
+++ b/embeddable/include/online3dembedder.js
@@ -7,24 +7,27 @@ function Online3DViewerLoad ()
 			return;
 		}
 
-		var viewerSettings = {
-			cameraEyePosition : [6.0, -5.5, 4.0],
-			cameraCenterPosition : [0.0, 0.0, 0.0],
-			cameraUpVector : [0.0, 0.0, 1.0]
-		};
-
-		var viewer = new JSM.ThreeViewer ();
-		if (!viewer.Start (viewerElement, viewerSettings)) {
-			return;
-		}
-
 		var myThis = this;
 		var urlList = urls.split ('|');
 		JSM.ConvertURLListToJsonData (urlList, {
 			onError : function () {
+				var context = viewerElement.getContext ('2d');
+				context.font = '12px Arial';
+				context.fillText ('Error!', 0, 12);
 				return;
 			},
 			onReady : function (fileNames, jsonData) {
+				var viewerSettings = {
+					cameraEyePosition : [6.0, -5.5, 4.0],
+					cameraCenterPosition : [0.0, 0.0, 0.0],
+					cameraUpVector : [0.0, 0.0, 1.0]
+				};
+
+				var viewer = new JSM.ThreeViewer ();
+				if (!viewer.Start (viewerElement, viewerSettings)) {
+					return;
+				}
+
 				var currentMeshIndex = 0;
 				var environment = new JSM.AsyncEnvironment ({
 					onStart : function (taskCount/*, meshes*/) {
diff --git a/embeddable/index.html b/embeddable/index.html
index f62bf46..773aac2 100644
--- a/embeddable/index.html
+++ b/embeddable/index.html
@@ -24,6 +24,7 @@
 	<canvas class="3dviewer" sourcefiles="testfiles/cubeobj.obj|testfiles/cubeobj.mtl" width="200" height="200"></canvas>
 	<canvas class="3dviewer" sourcefiles="testfiles/objects_ascii.stl" width="200" height="200"></canvas>
 	<canvas class="3dviewer" sourcefiles="testfiles/objects_binary.stl" width="200" height="200"></canvas>
+	<canvas class="3dviewer" sourcefiles="testfiles/wrong.3ds" width="200" height="200"></canvas>
 </body>
 
 </html>