From 929678a2ca71b21983f6cbf8dd8e81b9f97a4a0c Mon Sep 17 00:00:00 2001
From: Camille Letavernier
Date: Wed, 10 Dec 2014 10:17:25 +0100
Subject: 454604: [Activity Diagram] Impossible to define CSS styles from this
 diagram https://bugs.eclipse.org/bugs/show_bug.cgi?id=454604

---
 .../gmfdiag/css/configuration/handler/AbstractStyleHandler.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'plugins')

diff --git a/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/handler/AbstractStyleHandler.java b/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/handler/AbstractStyleHandler.java
index c2febff7c7f..a433250fa35 100644
--- a/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/handler/AbstractStyleHandler.java
+++ b/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/handler/AbstractStyleHandler.java
@@ -270,7 +270,11 @@ public abstract class AbstractStyleHandler extends AbstractHandler {
 				Object currentValue = style.eGet(feature);
 				Object defaultValue = feature.getDefaultValue();
 				boolean check = currentValue == null ? currentValue != defaultValue : !currentValue.equals(defaultValue);
-				declarations.put(handleStyleFeature(style, feature), check);
+
+				Declaration declaration = handleStyleFeature(style, feature);
+				if (declaration.getExpression() != null) { // If expression is null, the type of this property is not supported
+					declarations.put(declaration, check);
+				}
 			}
 		}
 
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