shinyWidgets (version 0.6.0)

updateSpectrumInput: 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

# NOT RUN {
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)

}
# }