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#' Checkbox Input Control
#'
#' Create a checkbox that can be used to specify logical values.
#'
#' @inheritParams textInput
#' @param value Initial value (\code{TRUE} or \code{FALSE}).
#' @return A checkbox control that can be added to a UI definition.
#'
#' @family input elements
#' @seealso \code{\link{checkboxGroupInput}}, \code{\link{updateCheckboxInput}}
#'
#' @examples
#' ## Only run examples in interactive R sessions
#' if (interactive()) {
#'
#' ui <- fluidPage(
#' checkboxInput("somevalue", "Some value", FALSE),
#' verbatimTextOutput("value")
#' )
#' server <- function(input, output) {
#' output$value <- renderText({ input$somevalue })
#' }
#' shinyApp(ui, server)
#' }
#' @export
checkboxInput <- function(inputId, label, value = FALSE, width = NULL) {
value <- restoreInput(id = inputId, default = value)
inputTag <- tags$input(id = inputId, type="checkbox")
if (!is.null(value) && value)
inputTag$attribs$checked <- "checked"
div(class = "form-group shiny-input-container",
style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
div(class = "checkbox",
tags$label(inputTag, tags$span(label))
)
)
}
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