private void resetTree()

in src/main/java/idea/plugin/psiviewer/view/PsiViewerPanel.java [112:137]

• 23 lines of code
• 4 McCabe index (conditional complexity)

    private void resetTree()
    {
        _tree.getSelectionModel().removeTreeSelectionListener(_treeSelectionListener);

        Enumeration expandedDescendants = null;
        TreePath path = null;
        if (_model.getRoot() != null)
        {
            expandedDescendants = _tree.getExpandedDescendants(new TreePath(_model.getRoot()));
            path = _tree.getSelectionModel().getSelectionPath();
        }

        _model = new PsiViewerTreeModel(_projectComponent);
        _model.setRoot(getRootElement());
        _tree.setModel(_model);
        if (expandedDescendants != null)
            while (expandedDescendants.hasMoreElements())
            {
                TreePath treePath = (TreePath) expandedDescendants.nextElement();
                _tree.expandPath(treePath);
            }
        _tree.setSelectionPath(path);
        _tree.scrollPathToVisible(path);

        _tree.getSelectionModel().addTreeSelectionListener(_treeSelectionListener);
    }