From 498ad557cd7d405d65897d35423764a35da8dc92 Mon Sep 17 00:00:00 2001
From: miettinen <miettinen@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Thu, 20 Feb 2014 10:49:24 +0000
Subject: [PATCH] Sysdyn Ghost variable to not generate "No unit defined" issue
 (refs #4707).

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@28903 ac1ea38d-2e2b-0410-8846-a27921b304fc
---
 .../sysdyn/representation/utils/UnitUtils.java      | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/org.simantics.sysdyn/src/org/simantics/sysdyn/representation/utils/UnitUtils.java b/org.simantics.sysdyn/src/org/simantics/sysdyn/representation/utils/UnitUtils.java
index d74b5934..133dfb4b 100644
--- a/org.simantics.sysdyn/src/org/simantics/sysdyn/representation/utils/UnitUtils.java
+++ b/org.simantics.sysdyn/src/org/simantics/sysdyn/representation/utils/UnitUtils.java
@@ -32,6 +32,7 @@ import org.simantics.sysdyn.manager.SysdynModel;
 import org.simantics.sysdyn.representation.Configuration;
 import org.simantics.sysdyn.representation.IElement;
 import org.simantics.sysdyn.representation.Module;
+import org.simantics.sysdyn.representation.Shadow;
 import org.simantics.sysdyn.representation.Variable;
 import org.simantics.sysdyn.unitParser.ParseException;
 import org.simantics.sysdyn.unitParser.UnitCheckingException;
@@ -139,6 +140,8 @@ public class UnitUtils {
                 
                 // Support listening, if graph and mapping exists
                 if(graph != null && model != null) {
+                	if (var instanceof Shadow)
+                		var = ((Shadow)var).getOriginal();
                     Resource varResource = model.getMapping().inverseGet(var);
                     if(varResource != null) {
                         try {
@@ -187,8 +190,14 @@ public class UnitUtils {
         for(IElement e : configuration.getElements()) {
             if(e instanceof Variable) {
                 Variable var = (Variable)e;
-                if(var.getName().equals(element))
-                    return var;
+                try {
+                	if(var.getName().equals(element))
+                		return var;
+                } catch (NullPointerException npe) {
+                	npe.printStackTrace();
+                	System.out.println("See UnitUtils");
+                	return null;
+                }
             } else if(e instanceof Module && elements.length > 1) {
                 Module mod = (Module)e;
                 if(mod.getName().equals(element)) {
-- 
2.47.1