createChildEditPolicy should not override an edit policy the child may have set

1 files changed, 10 insertions, 0 deletions

diff --git a/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/ListLayoutEditPolicy.java b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/ListLayoutEditPolicy.java
index 843694a11..61a3f37a3 100644
--- a/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/ListLayoutEditPolicy.java
+++ b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/ListLayoutEditPolicy.java
@@ -16,6 +16,7 @@ import java.util.List;
 import org.eclipse.draw2d.geometry.Point;
 import org.eclipse.draw2d.geometry.Rectangle;
 import org.eclipse.gef.EditPart;
+import org.eclipse.gef.EditPolicy;
 import org.eclipse.gef.GraphicalEditPart;
 import org.eclipse.gef.Request;
 import org.eclipse.gef.commands.Command;
@@ -78,4 +79,13 @@ public abstract class ListLayoutEditPolicy extends ConstrainedLayoutEditPolicy {
 	protected Object getConstraintFor(Rectangle rect) {
 		return null;
 	}
+
+	@Override
+	protected EditPolicy createChildEditPolicy(EditPart child) {
+		EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
+		if (result != null) {
+			return result;
+		}
+		return super.createChildEditPolicy(child);
+	}
 }