Red background color & tooltip for invalid derived property expression

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / handlers / e4 / SyncCurrentTypicalTemplateToInstances.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalTemplateToInstances.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalTemplateToInstances.java
index 3558aaa62cd9e702273ba6b104066381a4108d0b..9936b603b32395d8cd0cdd7cb69f32f58effe6fa 100644 (file)
--- a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalTemplateToInstances.java
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalTemplateToInstances.java
@@ -43,8 +43,12 @@ public class SyncCurrentTypicalTemplateToInstances {
             return false;
         if (DatabaseJob.inProgress())
             return false;
-        IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
-        return TypicalPropertyTester.isTypicalMasterEditor(Simantics.getSession(), input.getResource());
+        if (activeEditor.getEditorInput() instanceof IResourceEditorInput) {
+            IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
+            return TypicalPropertyTester.isTypicalMasterEditor(Simantics.getSession(), input.getResource());
+        } else {
+            return false;
+        }
     }
     
     @Execute