updateSpectrumInput {shinyWidgets}

R Documentation

Change the value of a spectrum input on the client

Description

Change the value of a spectrum input on the client

Usage

updateSpectrumInput(session, inputId, selected)

Arguments

session	The session object passed to function given to shinyServer.
inputId	The id of the input object.
selected	The value to select.

Examples

Run examples

if (interactive()) {

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

ui <- fluidPage(
  tags$h1("Spectrum color picker"),

  br(),

  spectrumInput(
    inputId = "myColor",
    label = "Pick a color:",
    choices = list(
      list('black', 'white', 'blanchedalmond', 'steelblue', 'forestgreen')
    )
  ),
  verbatimTextOutput(outputId = "res"),
  radioButtons(
    inputId = "update", label = "Update:",
    choices = c(
      'black', 'white', 'blanchedalmond', 'steelblue', 'forestgreen'
    )

  )

)

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

  output$res <- renderPrint(input$myColor)

  observeEvent(input$update, {
    updateSpectrumInput(session = session, inputId = "myColor", selected = input$update)
  }, ignoreInit = TRUE)

}

shinyApp(ui, server)

}

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