shinyWidgets (version 0.4.3)

updateRadioGroupButtons: Change the value of a radio group buttons input on the client

Description

Change the value of a radio group buttons input on the client

Usage

updateRadioGroupButtons(session, inputId, label = NULL, choices = NULL,
  selected = NULL, status = "default", size = "normal",
  checkIcon = list(), choiceNames = NULL, choiceValues = NULL)

Arguments

session

The session object passed to function given to shinyServer.

inputId

The id of the input object.

label

The label to set.

choices

The new choices for the input.

selected

The value selected.

status

Status, only used if choices is not NULL.

size

Size, only used if choices is not NULL.

checkIcon

Icon, only used if choices is not NULL.

choiceNames, choiceValues

List of names and values, an alternative to choices.

Examples

# NOT RUN {
if (interactive()) {

library("shiny")
library("shinyWidgets")

ui <- fluidPage(
  radioGroupButtons(
    inputId = "somevalue",
    choices = c("A", "B", "C"),
    label = "My label"
  ),

  verbatimTextOutput(outputId = "res"),

  actionButton(inputId = "updatechoices", label = "Random choices"),
  pickerInput(
    inputId = "updateselected", label = "Update selected:",
    choices = c("A", "B", "C"), multiple = FALSE
  ),
  textInput(inputId = "updatelabel", label = "Update label")
)

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

  output$res <- renderPrint({
    input$somevalue
  })

  observeEvent(input$updatechoices, {
    newchoices <- sample(letters, sample(2:6))
    updateRadioGroupButtons(
      session = session, inputId = "somevalue",
      choices = newchoices
    )
    updatePickerInput(
      session = session, inputId = "updateselected",
      choices = newchoices
    )
  })

  observeEvent(input$updateselected, {
    updateRadioGroupButtons(
      session = session, inputId = "somevalue",
      selected = input$updateselected
    )
  }, ignoreNULL = TRUE, ignoreInit = TRUE)

  observeEvent(input$updatelabel, {
    updateRadioGroupButtons(
      session = session, inputId = "somevalue",
      label = input$updatelabel
    )
  }, ignoreInit = TRUE)

}

shinyApp(ui = ui, server = server)

}

# }