Trying to get map background coloring to work

[simantics/district.git] / org.simantics.district.network.ui / src / org / simantics / district / network / ui / contributions / SetFocusableHandler.java

diff --git a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/contributions/SetFocusableHandler.java b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/contributions/SetFocusableHandler.java
index b0cfad3c0cb3fc6bfbdf08cf3568420489819c2a..e6049b5953f9587070df5ac77bc87bf836f3c186 100644 (file)
--- a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/contributions/SetFocusableHandler.java
+++ b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/contributions/SetFocusableHandler.java
@@ -26,7 +26,7 @@ public class SetFocusableHandler {
     public boolean canExecute(IEclipseContext popupContext, @Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
         @SuppressWarnings("unchecked")
         Collection<IElement> elements = (Collection<IElement>) popupContext.get(SetFocusableDynamicMenuContribution.FOCUSABLE_ELEMENTS);
-        return !elements.isEmpty();
+        return elements != null && !elements.isEmpty();
     }
     
     @Execute