callback_context: TODO document

In daattali/dash2: Wrapper for Plotly's dash

TODO document

Description

TODO document

Usage

callback_context()

Examples

dash_app() %>%
  set_layout(
    button('Button 1', id='btn1'),
    button('Button 2', id='btn2'),
    button('Button 3', id='btn3'),
    div(id='container')
  ) %>%
  add_callback(
    output("container", "children"),
    list(
      input("btn1", "n_clicks"),
      input("btn2", "n_clicks"),
      input("btn3", "n_clicks")
    ),
    function(btn1, btn2, btn3) {
      ctx <- callback_context()
      prevent_update(is.null(ctx))
      sprintf("Triggered: %s, btn1: %s, btn2: %s, btn3: %s",
              ctx$triggered$prop_id, btn1, btn2, btn3)
    }
  ) %>%
  run_app()

daattali/dash2 documentation built on July 1, 2023, 9:28 a.m.