R: Change the value of a spectrum input on the client

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

    ## 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)

    }

    ## End(Not run)

[Package shinyWidgets version 0.4.3 Index]