Fixing 140582: Drag and Drop expands tree even when drop disabled
diff --git a/bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapter.java b/bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapter.java
index e78e791..cf061af 100644
--- a/bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapter.java
+++ b/bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapter.java
@@ -119,7 +119,7 @@
 			}
 		}
 
-		event.detail = DND.DROP_NONE;
+		event.detail = DND.DROP_NONE; 
 
 	}
 
@@ -226,6 +226,8 @@
 					.println("CommonDropAdapter.validateDrop (returning " + (valid != null ? valid.getSeverity() + ": " + valid.getMessage() : "" + result) + ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 		}
 
+
+		setScrollExpandEnabled(result);
 		return result;
 
 	}