Check all elements of dcc.Checklist()

Dash Python
2

Sure! Here is a recipe to get you started:

all_or_non
all_or_non880×212 35.5 KB

# -*- coding: utf-8 -*-
import dash
from dash.dependencies import Input, Output, State
import dash_core_components as dcc
import dash_html_components as html

external_stylesheets = ["https://codepen.io/chriddyp/pen/bWLwgP.css"]

app = dash.Dash(__name__, external_stylesheets=external_stylesheets)


app.layout = html.Div(
    [
        dcc.Checklist(
            id="all-or-none",
            options=[{"label": "Select All", "value": "All"}],
            value=[],
            labelStyle={"display": "inline-block"},
        ),
        dcc.Checklist(
            id="my-checklist",
            options=[
                {"label": "New York City", "value": "NYC"},
                {"label": "Montréal", "value": "MTL"},
                {"label": "San Francisco", "value": "SF"},
            ],
            value=[],
            labelStyle={"display": "inline-block"},
        ),
    ]
)


@app.callback(
    Output("my-checklist", "value"),
    [Input("all-or-none", "value")],
    [State("my-checklist", "options")],
)
def select_all_none(all_selected, options):
    all_or_none = []
    all_or_none = [option["value"] for option in options if all_selected]
    return all_or_none


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