usage.py

import dash
import dash_html_components as html
import dash_treeview_antd
from dash.dependencies import Input, Output

app = dash.Dash('')

app.scripts.config.serve_locally = True
app.css.config.serve_locally = True

app.layout = html.Div([
    dash_treeview_antd.TreeView(
        id='input',
        multiple=True,
        checkable=True,
        checked=['0-0-1'],
        selected=[],
        expanded=['0'],
        data={
            'title': 'Parent',
            'key': '0',
            'children': [{
                'title': 'Child',
                'key': '0-0',
                'children': [
                    {'title': 'Subchild1', 'key': '0-0-1'},
                    {'title': 'Subchild2', 'key': '0-0-2'},
                    {'title': 'Subchild3', 'key': '0-0-3'},
                ],
            }]}
    ),
    html.Div(id='output-checked'),
    html.Div(id='output-selected'),
    html.Div(id='output-expanded')
])


@app.callback(Output('output-checked', 'children'),
              [Input('input', 'checked')])
def _display_checked(checked):
    return 'You have checked {}'.format(checked)


@app.callback(Output('output-selected', 'children'),
              [Input('input', 'selected')])
def _display_selected(selected):
    return 'You have checked {}'.format(selected)


@app.callback(Output('output-expanded', 'children'),
              [Input('input', 'expanded')])
def _display_expanded(expanded):
    return 'You have selected {}'.format(expanded)


if __name__ == '__main__':
    app.run_server(debug=True)