R/makeOutput.R

In autoshiny: Automatic Transformation of an 'R' Function into a 'shiny' App

makeOutput <- function (x)
  UseMethod('makeOutput', x)

#' @export
makeOutput.character <- function(x)
  bquote(verbatimTextOutput(outputId = .(getArgName(x))))

#' @export
makeOutput.integer <- function(x)
  makeOutput.data.frame(x)

#' @export
makeOutput.double <- function(x)
  makeOutput.data.frame(x)

#' @export
makeOutput.factor <- function(x)
  makeOutput.data.frame(x)

#' @export
makeOutput.logical <- function(x)
  makeOutput.data.frame(x)

#' @export
makeOutput.matrix <- function(x)
  makeOutput.data.frame(x)

#' @export
makeOutput.data.frame <- function(x)
  bquote(list(downloadLink(outputId = .(downloadId(getArgName(x))),
                           label = 'Download the table displayed below'),
              dataTableOutput(outputId = .(tableId(getArgName(x))))))

#' @export
makeOutput.file <- function(x)
  bquote(downloadLink(outputId = .(downloadId(getArgName(x))),
                      label = 'Download the file'))

#' @export
makeOutput.list <- function(x)
  `if`(is.data.frame(x), makeOutput.data.frame(x),
       lapply(withArgNames(x),
              function(y)
                bquote(list(br(),
                            h4(.(outputArgNameToName(getArgName(y)))),
                            .(makeOutput(y))))))

#' @export
makeOutput.NULL <- function(x) # for plots generated with generic `plot`
  bquote(list(downloadLink(outputId = .(downloadId(getArgName(x))),
                           label = 'Download the plot displayed below'),
              plotOutput(outputId = .(plotId(getArgName(x))))))

#' @export
makeOutput.ggplot <- function(x) # for plots generated with `ggplot2` package
  makeOutput.NULL(x)