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73 lines
2.9 KiB
R
73 lines
2.9 KiB
R
#' Table Output (Bootstrap)
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#'
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#' Creates a reactive table using the Bootstrap design that is suitable for assigning to
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#' an \code{output} slot.
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#'
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#' The corresponding HTML output tag should be \code{div} and have the CSS class
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#' name \code{shiny-html-output}.
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#'
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#' @param expr An expression that returns an R object that can be used with
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#' \code{\link[xtable]{xtable}}.
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#' @param ... Arguments to be passed through to \code{\link[xtable]{xtable}} and
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#' \code{\link[xtable]{print.xtable}}.
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#' @param format An optional string with the Bootstrap table format to apply to the
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#' table (options: striped, bordered, hover, condensed).
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#'@param width An optional string with the width of the table, as a percentage of
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#' the total width of the page.
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#' @param env The environment in which to evaluate \code{expr}.
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#' @param quoted Is \code{expr} a quoted expression (with \code{quote()})? This
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#' is useful if you want to save an expression in a variable.
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#' @param func A function that returns an R object that can be used with
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#' \code{\link[xtable]{xtable}} (deprecated; use \code{expr} instead).
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#'
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#' @export
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renderBootstrapTable <- function(expr, ..., format=NULL, width=NULL, env=parent.frame(), quoted=FALSE, func=NULL) {
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if (!is.null(func)) {
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shinyDeprecated(msg="renderTable: argument 'func' is deprecated. Please use 'expr' instead.")
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} else {
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installExprFunction(expr, "func", env, quoted)
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}
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markRenderFunction(tableOutput, function() {
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classNames <- 'table'
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if ( !is.null(format) ) classNames <- paste0( classNames, " table-", format )
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data <- func()
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if (is.null(data) || identical(data, data.frame()))
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return("")
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# Separate the ... args to pass to xtable() vs print.xtable()
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dots <- list(...)
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xtable_argnames <- setdiff(names(formals(xtable)), c("x", "..."))
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xtable_args <- dots[intersect(names(dots), xtable_argnames)]
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non_xtable_args <- dots[setdiff(names(dots), xtable_argnames)]
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# Call xtable with its args
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#cols <- paste0( rep( "r", ncol( data )), collapse = "" ) ## used to align all cells to the right, not yet decided if we should keep this or not
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xtable_res <- do.call(xtable, c(list(data), xtable_args))
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# align = paste0("l", cols)))
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# Set up print args
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print_args <- list(
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xtable_res,
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type = 'html',
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html.table.attributes = paste0('class="', htmlEscape(classNames, TRUE), '" ',
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'style="width:', noquote(validateCssUnit(width)),
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' !important"'))
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print_args <- c(print_args, non_xtable_args)
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# By default, don't include row numbers
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if( !"include.rownames" %in% names(list(... ))) {
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print_args <- c(print_args, include.rownames = FALSE)
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}
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return(paste(
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utils::capture.output(
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do.call(print, print_args)
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),
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collapse="\n"
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))
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})
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}
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