PyCafe - Dash - dmc app with a RTL text direction toggle switch

app.py
requirements.txt
app.py
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import dash
import dash_mantine_components as dmc
from dash import Dash, Input, Output, State, callback
from dash_iconify import DashIconify

app = Dash()

logo = "https://github.com/user-attachments/assets/c1ff143b-4365-4fd1-880f-3e97aab5c302"

main = dmc.Box([
    dmc.Select(data=["A", "B", "C"], value="B", label="select"),
    dmc.Slider(
        id="slider-callback",
        value=26,
        marks=[
            {"value": 20, "label": "20%"},
            {"value": 50, "label": "50%"},
            {"value": 80, "label": "80%"},
        ],
        mt=35,
    ),
], p="xl")


layout = dmc.AppShell(
    [
        dmc.AppShellHeader(
            dmc.Group(
                [
                    dmc.Burger(id="burger", size="sm", hiddenFrom="sm", opened=False),
                    dmc.Image(src=logo, h=40, flex=0),
                    dmc.Title("Demo App", c="blue"),
                    dmc.ActionIcon(DashIconify(icon="tabler:text-direction-ltr", width=18),id="rtl-toggle", variant="outline", color="gray")
                ],
                h="100%",
                px="md",
            )
        ),
        dmc.AppShellNavbar(
            id="navbar",
            children=[
                "Navbar",
                *[dmc.Skeleton(height=28, mt="sm", animate=False) for _ in range(15)],
            ],
            p="md",
        ),
        dmc.AppShellMain(main),
    ],
    header={"height": 60},
    padding="md",
    navbar={
        "width": 300,
        "breakpoint": "sm",
        "collapsed": {"mobile": True},
    },
    id="appshell",
)

#
app.layout = dmc.DirectionProvider(dmc.MantineProvider(layout), id="direction", persistence=True, direction="ltr")



@callback(
    Output("appshell", "navbar"),
    Input("burger", "opened"),
    State("appshell", "navbar"),
    prevent_initial_call=True
)
def navbar_is_open(opened, navbar):
    navbar["collapsed"] = {"mobile": not opened}
    return navbar


@callback(
    Output("rtl-toggle", "children"),
    Output("direction", "direction"),
    Input("rtl-toggle", "n_clicks"),
    State("direction", "direction")
)
def toggle_direction(n, d):
    if n is None:
        return dash.no_update

    new_dir = "ltr" if d == "rtl" else "rtl"
    return DashIconify(icon=f"tabler:text-direction-{d}", width=18), new_dir


if __name__ == "__main__":
    app.run(debug=True)
Py.Cafe

dash-mantine-components-RTL-direction

dmc app with a RTL text direction toggle switch
