private void writePreviouslySelectedPropertyValue(TreeSelectionEvent e) {
        if (selectedProperty != null && e.getOldLeadSelectionPath() != null) {
          for (Map.Entry<VirtualFile, EditorEx> entry : myEditors.entrySet()) {
            if (entry.getValue() == mySelectedEditor) {
              writeEditorPropertyValue(selectedProperty.getName(), mySelectedEditor, entry.getKey());
              break;
            }
          }
        }
      }
private void writePreviouslySelectedPropertyValue(TreeSelectionEvent e)