unlink controller

src/main/java/fr/ill/ics/n3d/gui/EditorMenuBar.java

@@ -739,7 +739,40 @@ public class EditorMenuBar extends MenuBar {
             
             linkStage.show();
         });
-        axisMenu.getItems().addAll(addAxisItem, calibrateAxisItem, linkAxisItem, displayAxisItem);
+        MenuItem unlinkAxisItem = new MenuItem("Unlink axis");
+        unlinkAxisItem.setOnAction(event -> {
+            if (Nomad3DEditor.getInstance().getModel() == null || Nomad3DEditor.getInstance().getRoot() == null) {
+                return;
+            }
+            
+        	final Component selectedComponent = selectComponent(calibrateAxisItem.getText());
+        	final Axis selectedAxis = (selectedComponent == null) ? null : selectedComponent.getAxis();
+        	if (selectedAxis == null) {
+        		// Error alert already display in selectComponent(String)
+        		return;
+        	}
+        	
+        	if (selectedComponent.getController() != null) {
+        		Alert alert = new Alert(AlertType.CONFIRMATION);
+        		alert.setTitle(linkAxisItem.getText());
+        		alert.setContentText("Do you want to unlink the controller " + selectedComponent.getController().getName() 
+        				+ " from " + selectedComponent.getName() + " ?");
+        		Optional<ButtonType> res = alert.showAndWait();
+        		if (res.isPresent()) {
+        			if (res.get() != ButtonType.OK) {
+        				return;
+        			}
+        		}
+        		
+        		selectedComponent.setController(null);
+        	} else {
+        		Alert alert = new Alert(AlertType.WARNING);
+        		alert.setTitle(linkAxisItem.getText());
+        		alert.setContentText("No controller linked to " + selectedComponent.getName());
+        		alert.showAndWait();
+        	}
+        });
+        axisMenu.getItems().addAll(addAxisItem, calibrateAxisItem, linkAxisItem, unlinkAxisItem, displayAxisItem);
 
         MenuItem modifyMaterialItem = new MenuItem("Modify material");
         modifyMaterialItem.setOnAction(new EventHandler<ActionEvent>() {