Allow general column spec in LaTeX
diff --git a/R/column_spec.R b/R/column_spec.R
index 7d0cefc..2e8a64d 100644
--- a/R/column_spec.R
+++ b/R/column_spec.R
@@ -37,10 +37,17 @@
#' that it's not for the whole column but to each individual cells
#' @param include_thead T/F. A HTML only feature to contoll whether the
#' header row will be manipulated. Default is `FALSE`.
+#' @param latex_column_spec Only for LaTeX tables. Code to replace the column
+#' specification. If not `NULL`, will override all other arguments.
+#'
+#' @details Use `latex_column_spec` in a LaTeX table to change or
+#' customize the column specification. Because of the way it is handled
+#' internally, any backslashes must be escaped.
#'
#' @examples x <- knitr::kable(head(mtcars), "html")
#' column_spec(x, 1:2, width = "20em", bold = TRUE, italic = TRUE)
-#'
+#' x <- knitr::kable(head(mtcars), "latex", booktabs = TRUE)
+#' column_spec(x, 1, latex_column_spec = ">{\\\\color{red}}c")
#' @export
column_spec <- function(kable_input, column,
width = NULL, bold = FALSE, italic = FALSE,
@@ -48,7 +55,8 @@
color = NULL, background = NULL,
border_left = FALSE, border_right = FALSE,
width_min = NULL, width_max = NULL,
- extra_css = NULL, include_thead = FALSE) {
+ extra_css = NULL, include_thead = FALSE,
+ latex_column_spec = NULL) {
if (!is.numeric(column)) {
stop("column must be numeric. ")
}
@@ -73,7 +81,8 @@
bold, italic, monospace,
underline, strikeout,
color, background,
- border_left, border_right))
+ border_left, border_right,
+ latex_column_spec = latex_column_spec))
}
}
@@ -212,7 +221,8 @@
bold, italic, monospace,
underline, strikeout,
color, background,
- border_left, border_right) {
+ border_left, border_right,
+ latex_column_spec) {
table_info <- magic_mirror(kable_input)
if (!is.null(table_info$collapse_rows)) {
message("Usually it is recommended to use column_spec before collapse_rows,",
@@ -227,7 +237,7 @@
function(x) {
latex_column_align_builder(
x, width, bold, italic, monospace, underline, strikeout,
- color, background, border_left, border_right)
+ color, background, border_left, border_right, latex_column_spec)
}
))
@@ -260,7 +270,8 @@
latex_column_align_builder <- function(x, width, bold, italic, monospace,
underline, strikeout,
color, background,
- border_left, border_right) {
+ border_left, border_right,
+ latex_column_spec) {
extra_align <- ""
if (!is.null(width)) {
extra_align <- switch(x,
@@ -293,6 +304,8 @@
if (border_right) {
x <- paste0(x, "\\|")
}
+ if (!is.null(latex_column_spec))
+ x <- latex_column_spec
return(x)
}
diff --git a/man/column_spec.Rd b/man/column_spec.Rd
index 26cae55..b611fad 100644
--- a/man/column_spec.Rd
+++ b/man/column_spec.Rd
@@ -8,7 +8,8 @@
italic = FALSE, monospace = FALSE, underline = FALSE,
strikeout = FALSE, color = NULL, background = NULL,
border_left = FALSE, border_right = FALSE, width_min = NULL,
- width_max = NULL, extra_css = NULL, include_thead = FALSE)
+ width_max = NULL, extra_css = NULL, include_thead = FALSE,
+ latex_column_spec = NULL)
}
\arguments{
\item{kable_input}{Output of \code{knitr::kable()} with \code{format} specified}
@@ -60,13 +61,22 @@
\item{include_thead}{T/F. A HTML only feature to contoll whether the
header row will be manipulated. Default is \code{FALSE}.}
+
+\item{latex_column_spec}{Only for LaTeX tables. Code to replace the column
+specification. If not \code{NULL}, will override all other arguments.}
}
\description{
This function allows users to select a column and then specify
its look.
}
+\details{
+Use \code{latex_column_spec} in a LaTeX table to change or
+customize the column specification. Because of the way it is handled
+internally, any backslashes must be escaped.
+}
\examples{
x <- knitr::kable(head(mtcars), "html")
column_spec(x, 1:2, width = "20em", bold = TRUE, italic = TRUE)
-
+x <- knitr::kable(head(mtcars), "latex", booktabs = TRUE)
+column_spec(x, 1, latex_column_spec = ">{\\\\\\\\color{red}}c")
}