error_on {shinyGovstyle}

Error on Function

Description

This function turns on the the error o the component. Can be used to validate inputs.

Usage

error_on(inputId, error_message = NULL)

Arguments

inputId

The input id that you to to turn the error on for.

error_message

if you want to add an additional error message. Defaults to NULL, showing the original designed error message

Value

no return value. This toggles on error css

Examples

## Only run examples in interactive R sessions
if (interactive()) {

  ui <- fluidPage(
    # Required for error handling function
    shinyjs::useShinyjs(),
    shinyGovstyle::header(
      main_text = "Example",
      secondary_text = "User Examples",
      logo="shinyGovstyle/images/moj_logo.png"),
    shinyGovstyle::banner(
      inputId = "banner", type = "beta", 'This is a new service'),
    shinyGovstyle::gov_layout(size = "two-thirds",
      # Error text box
      shinyGovstyle::text_Input(
        inputId = "eventId",
        label = "Event Name",
        error = TRUE),
      # Button to trigger error
      shinyGovstyle::button_Input(inputId = "submit", label = "Submit")
    ),
    shinyGovstyle::footer(full = TRUE)
  )


  server <- function(input, output, session) {
    #Trigger error on blank submit of eventId2
    observeEvent(input$submit, {
      if (input$eventId != ""){
        shinyGovstyle::error_off(inputId = "eventId")
      } else {
        shinyGovstyle::error_on(
          inputId = "eventId",
          error_message = "Please complete")
      }
    })
  }

  # Run the application
  shinyApp(ui = ui, server = server)
}