private void createTreeModel() {
    myRoot = new UpdateRootNode(myUpdatedFiles, myProject, myRootName, myActionInfo);
    updateTreeModel();
    myTreeModel = new DefaultTreeModel(myRoot);
    myRoot.setTreeModel(myTreeModel);
    myTree.setModel(myTreeModel);
    myRoot.setTree(myTree);
  }
private void createTreeModel()