From a32105e156e49eeddea97ef68acd01f8c53909a6 Mon Sep 17 00:00:00 2001
From: bancika <bancika@gmail.com>
Date: Wed, 21 Dec 2016 17:16:49 +0100
Subject: [PATCH] backward compatible fix

---
 .../src/org/diylc/components/tube/AbstractTubeSymbol.java  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/diylc/diylc-library/src/org/diylc/components/tube/AbstractTubeSymbol.java b/diylc/diylc-library/src/org/diylc/components/tube/AbstractTubeSymbol.java
index 5b6bbdd9..1c6eb60f 100644
--- a/diylc/diylc-library/src/org/diylc/components/tube/AbstractTubeSymbol.java
+++ b/diylc/diylc-library/src/org/diylc/components/tube/AbstractTubeSymbol.java
@@ -160,6 +160,9 @@ public abstract class AbstractTubeSymbol extends AbstractComponent<String> {
 
   @EditableProperty
   public Orientation getOrientation() {
+    if (orientation == null)
+      orientation = Orientation.DEFAULT;
+    
     return orientation;
   }
 
@@ -175,11 +178,11 @@ public abstract class AbstractTubeSymbol extends AbstractComponent<String> {
     body = null;
     getBody();
 
-    if (this.orientation == Orientation.DEFAULT)
+    if (getOrientation() == Orientation.DEFAULT)
       return;
 
     Point first = this.controlPoints[0];
-    double angle = Double.parseDouble(this.orientation.name().replace("_", ""));
+    double angle = Double.parseDouble(getOrientation().name().replace("_", ""));
     AffineTransform rotate = AffineTransform.getRotateInstance(Math.toRadians(angle), first.x, first.y);
     for (int i = 1; i < this.controlPoints.length; i++) {
       rotate.transform(this.controlPoints[i], this.controlPoints[i]);