private List<Window> getAllWindows() {
   List<Window> windows = new ArrayList<Window>(svgWindows);
   if (inspectorWindow != null && inspectorWindow.isVisible()) {
     windows.add(inspectorWindow);
   }
   return windows;
 }
 public void inspector() {
   GWT.log("inspector()");
   if (inspectorWindow == null) {
     inspectorWindow = new InspectorWindow();
   }
   inspectorWindow.show();
   if (activeWindow != null) {
     activeWindow.updateSelectionListeners();
   }
 }