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Loading Spinner #314

merged 5 commits into from Feb 18, 2020

Loading Spinner #314

merged 5 commits into from Feb 18, 2020


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@tcbegley tcbegley commented Feb 11, 2020

This PR adds dcc.Loading style functionality to Spinner, i.e. the spinner will be rendered while the children of the Spinner are loading.

Here's a simple example of usage:

import time

import dash
import dash_bootstrap_components as dbc
import dash_html_components as html
from dash.dependencies import Input, Output

app = dash.Dash(external_stylesheets=[dbc.themes.BOOTSTRAP])

app.layout = html.Div(
        dbc.Button("load", id="button"),
        dbc.Spinner(html.Div(id="output"), color="primary"),

@app.callback(Output("output", "children"), [Input("button", "n_clicks")])
def load_content(n):
    return "Loaded!"

if __name__ == "__main__":

@tcbegley tcbegley merged commit 85aa909 into master Feb 18, 2020
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@tcbegley tcbegley deleted the loading-spinner branch Feb 18, 2020
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