R/shiny.R

In rbokeh: R Interface for Bokeh

# nolint start
#' Widget output function for use in Shiny
#' @param outputId output variable to read from
#' @param width a valid CSS unit for the width or a number, which will be coerced to a string and have "px" appended.
#' @param height a valid CSS unit for the height or a number, which will be coerced to a string and have "px" appended.
#'
#' @example man-roxygen/ex-shiny.R
#'
#' @export
rbokehOutput <- function(outputId, width = "100%", height = "400px") {
  htmlwidgets::shinyWidgetOutput(outputId, "rbokeh", width, height, package = "rbokeh")
}

#' Widget render function for use in Shiny
#' @param expr an expression that generates a rbokeh figure
#' @param env the environment in which to evaluate expr.
#' @param quoted is expr a quoted expression (with quote())? This is useful if you want to save an expression in a variable.
#'
#' @seealso \code{\link{rbokehOutput}} for an example in Shiny
#'
#' @export
renderRbokeh <- function(expr, env = parent.frame(), quoted = FALSE) {
  if (!quoted) expr <- substitute(expr)
  htmlwidgets::shinyRenderWidget(expr, rbokehOutput, env, quoted = TRUE)
}
# nolint end