shinyWidgets (version 0.8.6)

updatePrettyCheckboxGroup: Change the value of a pretty checkbox on the client

Description

Change the value of a pretty checkbox on the client

Usage

updatePrettyCheckboxGroup(
  session = getDefaultReactiveDomain(),
  inputId,
  label = NULL,
  choices = NULL,
  selected = NULL,
  inline = FALSE,
  choiceNames = NULL,
  choiceValues = NULL,
  prettyOptions = list()
)

Arguments

session

The session object passed to function given to shinyServer.

inputId

The id of the input object.

label

The label to set for the input object.

choices

The choices to set for the input object, updating choices will reset parameters like status, shape, ... on the checkboxes, you can re-specify (or change them) in argument prettyOptions.

selected

The value to set for the input object.

inline

If TRUE, render the choices inline (i.e. horizontally).

choiceNames

The choices names to set for the input object.

choiceValues

The choices values to set for the input object.

prettyOptions

Arguments passed to prettyCheckboxGroup for styling checkboxes. This can be needed if you update choices.

Examples

library(shiny)
library(shinyWidgets)

ui <- fluidPage(
  tags$h1("Update pretty checkbox group"),
  br(),

  fluidRow(
    column(
      width = 6,
      prettyCheckboxGroup(
        inputId = "checkgroup1",
        label = "Update my value!",
        choices = month.name[1:4],
        status = "danger",
        icon = icon("xmark")
      ),
      verbatimTextOutput(outputId = "res1"),
      br(),
      checkboxGroupInput(
        inputId = "update1", label = "Update value :",
        choices = month.name[1:4], inline = TRUE
      )
    ),
    column(
      width = 6,
      prettyCheckboxGroup(
        inputId = "checkgroup2",
        label = "Update my choices!",
        thick = TRUE,
        choices = month.name[1:4],
        animation = "pulse",
        status = "info"
      ),
      verbatimTextOutput(outputId = "res2"),
      br(),
      actionButton(inputId = "update2", label = "Update choices !")
    )
  )

)

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

  output$res1 <- renderPrint(input$checkgroup1)

  observeEvent(input$update1, {
    if (is.null(input$update1)) {
      selected_ <- character(0) # no choice selected
    } else {
      selected_ <- input$update1
    }
    updatePrettyCheckboxGroup(
      session = session,
      inputId = "checkgroup1",
      selected = selected_
    )
  }, ignoreNULL = FALSE)

  output$res2 <- renderPrint(input$checkgroup2)
  observeEvent(input$update2, {
    updatePrettyCheckboxGroup(
      session = session,
      inputId = "checkgroup2",
      choices = sample(month.name, 4),
      prettyOptions = list(animation = "pulse", status = "info")
    )
  }, ignoreInit = TRUE)

}

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