@Override
    public void setSelected(@NotNull AnActionEvent e, boolean isSelected) {
      final VirtualFile[] selectedFiles = getSelectedFiles();
      assert selectedFiles.length != 0;

      for (VirtualFile selectedFile : selectedFiles) {
        boolean wasSelected = hasRoot(selectedFile, myEditor);
        if (isSelected) {
          if (!wasSelected) {
            final VirtualFilePointer root = VirtualFilePointerManager.getInstance().create(selectedFile, myDisposable, DUMMY_LISTENER);
            addRoot(root, myEditor);
          }
        }
        else {
          if (wasSelected) {
            removeRoot(selectedFile, myEditor, myModel);
          }
        }
      }
    }
@Override
    public void setSelected(@NotNull AnActionEvent e, boolean isSelected)