From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Thu, 13 Apr 2017 16:13:06 +0000 (+0300)
Subject: Fixed diagram NPE regressions caused by commit 5d2af6df
X-Git-Tag: v1.29.0~110
X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=commitdiff_plain;h=477ce5a22d86916107b2c319f4d6cf84d639305a

Fixed diagram NPE regressions caused by commit 5d2af6df

The code was not taking into account that IG2DNode.getBoundsInLocal can
return null.

refs #7109

Change-Id: I9f41b9f2119ba8d273daf97b1b1e90a03d91fd22
---

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/DefinedElementHandler.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/DefinedElementHandler.java
index b5cc293ac..17f22cfcf 100644
--- a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/DefinedElementHandler.java
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/DefinedElementHandler.java
@@ -60,31 +60,33 @@ public class DefinedElementHandler implements SceneGraph, InternalSize, Resize,
             node.remove();
     }
     
-    public Rectangle2D imageBounds(IElement e) {
-    	Image i = getImage(e);
-		return i.getBounds();
+    protected Rectangle2D imageBounds(IElement e, Rectangle2D size) {
+        Image i = getImage(e);
+        Rectangle2D r = i.getBounds();
+        if (r != null)
+            size.setFrame(r);
+        return r;
     }
 
     @Override
     public Rectangle2D getBounds(IElement e, Rectangle2D size) {
+        if (size == null)
+            size = new Rectangle2D.Double();
+
+        ElementClass ec = e.getElementClass();
+        if (ec.containsClass(ConnectionHandler.class)) {
+            imageBounds(e, size);
+        } else {
+            IG2DNode node = e.getHint(getNodeKey());
+            Rectangle2D r = node != null ? node.getBoundsInLocal() : null;
+            if (r != null) {
+                size.setFrame(r);
+            } else {
+                imageBounds(e, size);
+            }
+        }
 
-		if (size == null)
-			size = new Rectangle2D.Double();
-
-    	ElementClass ec = e.getElementClass();
-    	if(ec.containsClass(ConnectionHandler.class)) {
-    		size.setFrame(imageBounds(e));
-    	} else {
-    		IG2DNode node = e.getHint(getNodeKey());
-    		if(node != null) {
-    			size.setFrame(node.getBoundsInLocal());	
-    		} else {
-        		size.setFrame(imageBounds(e));
-    		}
-    	}
-    	
-		return size;
-		
+        return size;
     }
 
     @Override
@@ -112,12 +114,15 @@ public class DefinedElementHandler implements SceneGraph, InternalSize, Resize,
 
     @Override
     public Shape getElementShape(IElement e) {
-    	
         IG2DNode node = e.getHint(getNodeKey());
-        if (node == null)
-        	throw new IllegalStateException();
-        return node.getBoundsInLocal();
-    	
+        if (node != null) {
+            Rectangle2D bounds = node.getBoundsInLocal();
+            if (bounds != null)
+                return bounds;
+        }
+        // Fallback to old logic.
+        Image i = getImage(e);
+        return i.getOutline();
     }
 	
 }
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