Some enhancements made by Antti for multiple readers

[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..565400877525ea43b30baa98493e950b04ec357c 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
@@ -19,6 +19,7 @@ import org.simantics.modeling.ui.documents.OpenPlainTextDocumentAdapter;
 import org.simantics.modeling.ui.property.TypicalPropertyTester;
 import org.simantics.modeling.ui.typicals.RuleChooserDialog;
 import org.simantics.ui.workbench.IResourceEditorInput;
+import org.simantics.ui.workbench.ResourceEditorActionContributor;
 import org.simantics.utils.ui.ErrorLogger;
 import org.simantics.utils.ui.workbench.WorkbenchUtils;
 
@@ -41,8 +42,12 @@ public class SyncCurrentTypicalInstanceWithTemplate {
         }
         if (activeEditor == null)
             return false;
-        IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
-        return TypicalPropertyTester.isTypicalInstanceEditor(Simantics.getSession(), input.getResource());
+        if(activeEditor.getEditorInput() instanceof IResourceEditorInput) {
+            IResourceEditorInput input = (IResourceEditorInput) activeEditor.getEditorInput();
+            return TypicalPropertyTester.isTypicalInstanceEditor(Simantics.getSession(), input.getResource());
+        } else {
+            return false;
+        }
     }
     
     @Execute