#' <Add Title>
#'
#' <Add Description>
#'
#' @import htmlwidgets
#'
#' @export
statefulwidget <- function(message, width=NULL, height=NULL, elementId=NULL, can_run_in_root_dom=FALSE, crash_on_render=FALSE,
crash_on_rerender=FALSE, crash_on_resize=FALSE, crash_on_naive_click=FALSE, crash_on_jquery_hover=FALSE, crash_on_timeout=FALSE, test_timeout=FALSE) {
# If the widget is in iframe, loading jquery will trigger the error, so we prevents
# jquery to be loaded.
# If the widget is a iframeless widget, it's ok to have jquery reference because
# it shares jquery with Displayr
if (crash_on_jquery_hover && !can_run_in_root_dom)
stop('crash_on_jquery_hover requires jQuery because it wants the crash to go via a jQuery event, which is not loaded if we are running in an IFRAME. If you need this then make the widget specify that it needs jQuery')
# forward options using x
x = list(
message = message,
crash_on_render = crash_on_render,
crash_on_rerender = crash_on_rerender,
crash_on_resize = crash_on_resize,
crash_on_naive_click = crash_on_naive_click,
crash_on_jquery_hover = crash_on_jquery_hover,
crash_on_timeout = crash_on_timeout,
test_timeout = test_timeout
)
# create widget
w <- htmlwidgets::createWidget(
name = 'statefulwidget',
x,
width = width,
height = height,
package = 'statefulwidget',
elementId = elementId,
sizingPolicy = htmlwidgets::sizingPolicy(padding = 0, browser.fill = TRUE)
)
# default is FALSE for backwards compatibility of existing Chrome tests
attr(w, "can-run-in-root-dom") <- can_run_in_root_dom
w
}
#' Shiny bindings for statefulwidget
#'
#' Output and render functions for using statefulwidget within Shiny
#' applications and interactive Rmd documents.
#'
#' @param outputId output variable to read from
#' @param width,height Must be a valid CSS unit (like \code{'100\%'},
#' \code{'400px'}, \code{'auto'}) or a number, which will be coerced to a
#' string and have \code{'px'} appended.
#' @param expr An expression that generates a statefulwidget
#' @param env The environment in which to evaluate \code{expr}.
#' @param quoted Is \code{expr} a quoted expression (with \code{quote()})? This
#' is useful if you want to save an expression in a variable.
#'
#' @name statefulwidget-shiny
#'
#' @export
statefulwidgetOutput <- function(outputId, width = '100%', height = '400px'){
htmlwidgets::shinyWidgetOutput(outputId, 'statefulwidget', width, height, package = 'statefulwidget')
}
#' @rdname statefulwidget-shiny
#' @export
renderStatefulwidget <- function(expr, env = parent.frame(), quoted = FALSE) {
if (!quoted) { expr <- substitute(expr) } # force quoted
htmlwidgets::shinyRenderWidget(expr, statefulwidgetOutput, env, quoted = TRUE)
}
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