autosave fix UpperNodeCanvas

src/ui/controller/Control.java

@@ -767,28 +767,65 @@ public class Control {
 
 	public void addObjUpperNode(AbstractCpsObject object, CpsUpperNode upperNode) {
 		nodeController.addObjectInUpperNode(object, upperNode);
+		try {
+			autoSave();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 	}
 
 	public void delObjUpperNode(AbstractCpsObject object, CpsUpperNode upperNode) {
 		nodeController.deleteObjectInUpperNode(object, upperNode);
 		if (object instanceof CpsUpperNode)
 			canvasController.bfsNodeCleaner((CpsUpperNode) object);
+		try {
+			autoSave();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
 	}
 
 	public void addEdgeUpperNode(CpsEdge edge, CpsUpperNode upperNode) {
 		nodeController.addEdge(edge, upperNode);
+		try {
+			autoSave();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 	}
 
 	public void delEdgeUpperNode(CpsEdge edge, CpsUpperNode upperNode) {
 		nodeController.deleteEdge(edge, upperNode);
+		try {
+			autoSave();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 	}
 
 	public void connectNodes(CpsEdge edge, CpsUpperNode upperNode) {
 		nodeController.connectNodes(edge, upperNode);
+		try {
+			autoSave();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 	}
 
 	public void disconnectNodes(CpsEdge edge, CpsUpperNode upperNode) {
 		nodeController.disconnectNodes(edge, upperNode);
+		try {
+			autoSave();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 	}
 
 	/**