dccConfirmDialogProvider: ConfirmDialogProvider component

In dash: An Interface to the Dash Ecosystem for Authoring Reactive Web Applications

ConfirmDialogProvider component

Description

A wrapper component that will display a confirmation dialog when its child component has been clicked on. For example: “‘ dcc.ConfirmDialogProvider( html.Button(’click me', id='btn'), message='Danger - Are you sure you want to continue.' id='confirm') “'

Usage

dccConfirmDialogProvider(children=NULL, id=NULL, message=NULL, submit_n_clicks=NULL,
submit_n_clicks_timestamp=NULL, cancel_n_clicks=NULL,
cancel_n_clicks_timestamp=NULL, displayed=NULL,
loading_state=NULL)

Arguments

children	Logical | numeric | character | named list | unnamed list. The children to hijack clicks from and display the popup.
id	Character. The ID of this component, used to identify dash components in callbacks. The ID needs to be unique across all of the components in an app.
message	Character. Message to show in the popup.
submit_n_clicks	Numeric. Number of times the submit was clicked
submit_n_clicks_timestamp	Numeric. Last time the submit button was clicked.
cancel_n_clicks	Numeric. Number of times the popup was canceled.
cancel_n_clicks_timestamp	Numeric. Last time the cancel button was clicked.
displayed	Logical. Is the modal currently displayed.
loading_state	Lists containing elements 'is_loading', 'prop_name', 'component_name'. those elements have the following types: - is_loading (logical; optional): determines if the component is loading or not - prop_name (character; optional): holds which property is loading - component_name (character; optional): holds the name of the component that is loading. Object that holds the loading state object coming from dash-renderer

Value

named list of JSON elements corresponding to React.js properties and their values

Examples

if (interactive()) {
    library(dash)

    app <- Dash$new()

    app$layout(htmlDiv(list(
      dccConfirmDialogProvider(
        children=htmlButton(
          'Click Me',
          n_clicks = 0
        ),
        id='danger-danger-provider',
        message='Danger danger! Are you sure you want to continue?',
        submit_n_clicks=NULL
      ),
      htmlDiv(id='output-provider',
              children='Click the button to submit')
    )))

    app$callback(
      output = list(id = 'output-provider', property = 'children'),
      params=list(input(id = 'danger-danger-provider', property = 'submit_n_clicks')),
      function(submit_n_clicks) {
        if (is.null(unlist(submit_n_clicks))) {
          return('')
        } else {
          paste0('That was a dangerous choice! Submitted ', submit_n_clicks, ' times.')
        }
        }

    )

  app$run_server()
}

dash documentation built on June 23, 2022, 9:11 a.m.