1 files changed, 37 insertions, 0 deletions
diff --git a/org.eclipse.emf.refactor.comrel.diagram/src/comrel/diagram/edit/helpers/SingleFilterUnitEditHelper.java b/org.eclipse.emf.refactor.comrel.diagram/src/comrel/diagram/edit/helpers/SingleFilterUnitEditHelper.java
new file mode 100644
index 0000000..147818a
--- /dev/null
+++ b/org.eclipse.emf.refactor.comrel.diagram/src/comrel/diagram/edit/helpers/SingleFilterUnitEditHelper.java
@@ -0,0 +1,37 @@
+/*
+ * 
+ */
+package comrel.diagram.edit.helpers;
+
+import org.eclipse.gmf.runtime.common.core.command.ICommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
+
+import comrel.CompositeRefactoring;
+import comrel.Helper;
+import comrel.HelperUnit;
+import comrel.SingleFilterUnit;
+import comrel.diagram.edit.commands.custom.CustomDestroyElementCommand;
+
+/**
+ * @generated
+ */
+public class SingleFilterUnitEditHelper extends ComrelBaseEditHelper {
+
+	@Override
+	protected ICommand getDestroyElementCommand(DestroyElementRequest req) {
+		if (req.getElementToDestroy() instanceof HelperUnit) {
+			HelperUnit context = (HelperUnit) req.getElementToDestroy();
+			Helper helper = ((SingleFilterUnit) context)
+					.getSingleFilterHelper();
+			CompositeRefactoring cr = (CompositeRefactoring) helper
+					.eContainer();
+			if (cr != null) {
+				if (!cr.helperInUse(helper, context)) {
+					return new CustomDestroyElementCommand(req, helper);
+				}
+			}
+		}
+		return super.getDestroyElementCommand(req);
+	}
+
+}