#' C3LineBarChart widget
#'
#' C3LineBarChart widget
#'
#' @param dataset dataframe with Time colom (Year-month-day) and one numeric column per time series. Column names are used as keys.
#' @param colors named list providing colors e.g. list(Total="gray",GREEN="Green",RED="Red")
#' @param width chart width
#' @param height chart height
#'
#' @import htmlwidgets
#'
#' @export
C3LineBarChart <- function(dataset, colors, width = NULL, height = NULL) {
# forward options using x
x = list(
dataset = dataset,
colors = colors
)
# create widget
htmlwidgets::createWidget(
name = 'C3LineBarChart',
x,
width = width,
height = height,
package = 'C3'
)
}
#' Shiny bindings for C3LineBarChart
#'
#' Output and render functions for using C3LineBarChart 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 C3LineBarChart
#' @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 C3LineBarChart-shiny
#'
#' @export
C3LineBarChartOutput <- function(outputId, width = '100%', height = '400px'){
htmlwidgets::shinyWidgetOutput(outputId, 'C3LineBarChart', width, height, package = 'C3')
}
#' @rdname C3LineBarChart-shiny
#' @export
renderC3LineBarChart <- function(expr, env = parent.frame(), quoted = FALSE) {
if (!quoted) { expr <- substitute(expr) } # force quoted
htmlwidgets::shinyRenderWidget(expr, C3LineBarChartOutput, env, quoted = TRUE)
}
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