sweetalert: Display a Sweet Alert to the user

In shinyWidgets: Custom Inputs Widgets for Shiny

Display a Sweet Alert to the user

Description

Show an alert message to the user to provide some feedback.

Usage

sendSweetAlert(
  session = getDefaultReactiveDomain(),
  title = "Title",
  text = NULL,
  type = NULL,
  btn_labels = "Ok",
  btn_colors = "#3085d6",
  html = FALSE,
  closeOnClickOutside = TRUE,
  showCloseButton = FALSE,
  width = NULL,
  ...
)

show_alert(
  title = "Title",
  text = NULL,
  type = NULL,
  btn_labels = "Ok",
  btn_colors = "#3085d6",
  html = FALSE,
  closeOnClickOutside = TRUE,
  showCloseButton = FALSE,
  width = NULL,
  ...,
  session = shiny::getDefaultReactiveDomain()
)

Arguments

session	The session object passed to function given to shinyServer.
title	Title of the alert.
text	Text of the alert.
type	Type of the alert : info, success, warning or error.
btn_labels	Label(s) for button(s), can be of length 2, in which case the alert will have two buttons. Use NA for no buttons.s
btn_colors	Color(s) for the buttons.
html	Does text contains HTML tags ?
closeOnClickOutside	Decide whether the user should be able to dismiss the modal by clicking outside of it, or not.
showCloseButton	Show close button in top right corner of the modal.
width	Width of the modal (in pixel).
...	Other arguments passed to JavaScript method.

Note

This function use the JavaScript sweetalert2 library, see the official documentation for more https://sweetalert2.github.io/.

See Also

confirmSweetAlert(), inputSweetAlert(), closeSweetAlert().

Examples

library(shiny)
library(shinyWidgets)

ui <- fluidPage(
  tags$h2("Sweet Alert examples"),
  actionButton(
    inputId = "success",
    label = "Launch a success sweet alert",
    icon = icon("check")
  ),
  actionButton(
    inputId = "error",
    label = "Launch an error sweet alert",
    icon = icon("xmark")
  ),
  actionButton(
    inputId = "sw_html",
    label = "Sweet alert with HTML",
    icon = icon("thumbs-up")
  )
)

server <- function(input, output, session) {

  observeEvent(input$success, {
    show_alert(
      title = "Success !!",
      text = "All in order",
      type = "success"
    )
  })

  observeEvent(input$error, {
    show_alert(
      title = "Error !!",
      text = "It's broken...",
      type = "error"
    )
  })

  observeEvent(input$sw_html, {
    show_alert(
      title = NULL,
      text = tags$span(
        tags$h3("With HTML tags",
                style = "color: steelblue;"),
        "In", tags$b("bold"), "and", tags$em("italic"),
        tags$br(),
        "and",
        tags$br(),
        "line",
        tags$br(),
        "breaks",
        tags$br(),
        "and an icon", icon("thumbs-up")
      ),
      html = TRUE
    )
  })

}

if (interactive())
  shinyApp(ui, server)

# Ouptut in alert ----

library(shiny)
library(shinyWidgets)

ui <- fluidPage(
  tags$h1("Click the button to open the alert"),
  actionButton(
    inputId = "sw_html",
    label = "Sweet alert with plot"
  )
)

server <- function(input, output, session) {

  observeEvent(input$sw_html, {
    show_alert(
      title = "Yay a plot!",
      text = tags$div(
        plotOutput(outputId = "plot"),
        sliderInput(
          inputId = "clusters",
          label = "Number of clusters",
          min = 2, max = 6, value = 3, width = "100%"
        )
      ),
      html = TRUE,
      width = "80%"
    )
  })

  output$plot <- renderPlot({
    plot(Sepal.Width ~ Sepal.Length,
         data = iris, col = Species,
         pch = 20, cex = 2)
    points(kmeans(iris[, 1:2], input$clusters)$centers,
           pch = 4, cex = 4, lwd = 4)
  })
}


if (interactive())
  shinyApp(ui, server)

shinyWidgets documentation built on Sept. 23, 2024, 9:07 a.m.