Exemplo n.º 1
0
 @Override
 public void setVisible(boolean visible) {
   if (visible != this.isVisible()) {
     if (undoManager != null) {
       undoManager.discardAllEdits();
       undoManager.updateActions();
     }
     if (settings != null) {
       settings.setVisible(false);
     }
   }
   super.setVisible(visible);
 }