Fix typical toolbar calculations to not throw ClassCastExceptions

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

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalInstanceWithTemplate.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalInstanceWithTemplate.java
index 0c9641a27f45275ce221c06b4e58c3d68c071c17..df95cb90df4f31fed66fbb17a5b4a2991b59719a 100644 (file)
--- a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalInstanceWithTemplate.java
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/handlers/e4/SyncCurrentTypicalInstanceWithTemplate.java
@@ -10,6 +10,7 @@ import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor;
+import org.simantics.DatabaseJob;
 import org.simantics.Simantics;
 import org.simantics.db.Resource;
 import org.simantics.db.Session;
@@ -41,8 +42,14 @@ public class SyncCurrentTypicalInstanceWithTemplate {
         }
         if (activeEditor == null)
             return false;
-        IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
-        return TypicalPropertyTester.isTypicalInstanceEditor(Simantics.getSession(), input.getResource());
+        if (DatabaseJob.inProgress())
+            return false;
+        if (activeEditor.getEditorInput() instanceof IResourceEditorInput) {
+            IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
+            return TypicalPropertyTester.isTypicalInstanceEditor(Simantics.getSession(), input.getResource());
+        } else {
+            return false;
+        }
     }
     
     @Execute