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#' @importFrom data.table shift
rtf_cells <- function(value, cell_data, layout = "fixed") {
cell_heights <- fortify_height(value)
cell_widths <- fortify_width(value)
cell_data$width <- NULL # need to get rid of originals that are empty, should probably rm them
cell_data$height <- NULL
cell_data <- merge(cell_data, cell_widths, by = ".col_id")
cell_data <- merge(cell_data, cell_heights, by = c(".part", ".row_id"))
setDT(cell_data)
setorderv(cell_data, cols = c(".part", ".row_id", ".col_id"))
# fix for word horiz. borders, copying the bottom props to top props of the next cell
cell_data <- copy_border_bottom_to_next_border_top(cell_data, value = value)
data_ref_cells <- distinct_cells_properties(cell_data)
## cell style wml
fp_cell_rtf <- data_ref_cells
classnames <- data_ref_cells$classname
fp_cell_rtf$classname <- NULL
fp_cell_rtf <- split(fp_cell_rtf, classnames)
fp_cell_rtf <- vapply(fp_cell_rtf, function(x) {
zz <- as.list(x)
zz$border.bottom <- fp_border(
color = zz$border.color.bottom,
width = zz$border.width.bottom,
style = zz$border.style.bottom
)
zz$border.top <- fp_border(
color = zz$border.color.top,
width = zz$border.width.top,
style = zz$border.style.top
)
zz$border.right <- fp_border(
color = zz$border.color.right,
width = zz$border.width.right,
style = zz$border.style.right
)
zz$border.left <- fp_border(
color = zz$border.color.left,
width = zz$border.width.left,
style = zz$border.style.left
)
zz[c(
"border.width.bottom", "border.width.top", "border.width.left",
"border.width.right", "border.color.bottom", "border.color.top",
"border.color.left", "border.color.right", "border.style.bottom",
"border.style.top", "border.style.left", "border.style.right",
"width", "height", "hrule"
)] <- NULL
zz$classname <- NULL
zz <- do.call(fp_cell, zz)
zz <- format(zz, type = "rtf")
zz
}, FUN.VALUE = "", USE.NAMES = FALSE)
style_dat <- data.frame(
fp_cell_rtf = fp_cell_rtf,
classname = classnames,
stringsAsFactors = FALSE
)
# organise everything
cell_data <- merge(cell_data, data_ref_cells,
by = intersect(colnames(cell_data), colnames(data_ref_cells))
)
cell_data <- merge(cell_data, style_dat, by = "classname")
setorderv(cell_data, cols = c(".part", ".row_id", ".col_id"))
if (layout %in% "fixed") {
cell_data[, c("fp_cell_rtf") := list(
sprintf("%s\\cellx%.0f", .SD$fp_cell_rtf, cumsum(.SD$width) * 1440)
),
by = c(".part", ".row_id")
]
} else {
cell_data[, c("fp_cell_rtf") := list(
sprintf("%s\\cellx", .SD$fp_cell_rtf)
),
by = c(".part", ".row_id")
]
}
cell_data <- cell_data[, .SD, .SDcols = c(".part", ".row_id", ".col_id", "fp_cell_rtf")]
setDF(cell_data)
cell_data
}
rtf_rows <- function(value) {
# prepare cells formatting properties and add span information
cell_attributes <- information_data_cell(value)
span_data <- fortify_span(value)
setDT(cell_attributes)
cell_attributes <- merge(cell_attributes, span_data, by = c(".part", ".row_id", ".col_id"))
setDF(cell_attributes)
# prepare paragraphs formatting properties
paragraphs_properties <- information_data_paragraph(value)
# transform alignments for rotated text
# and add them back to paragraphs_properties and cell_attributes
new_pos <- ooxml_rotation_alignments(
rotation = cell_attributes$text.direction,
valign = cell_attributes$vertical.align,
align = paragraphs_properties$text.align
)
paragraphs_properties$text.align <- new_pos$align
cell_attributes$vertical.align <- new_pos$valign
# get runs in wml format and get hyperlinks and images information
run_data <- runs_as_rtf(value, chunk_data = information_data_chunk(value))
cell_data <- rtf_cells(
value, cell_attributes,
layout = value$properties$layout
)
cell_heights <- fortify_height(value)
cell_hrule <- fortify_hrule(value)
setDT(cell_data)
tab_data <- merge(cell_data, ooxml_ppr(paragraphs_properties, type = "rtf"), by = c(".part", ".row_id", ".col_id"))
tab_data <- merge(tab_data, run_data, by = c(".part", ".row_id", ".col_id"))
tab_data <- merge(tab_data, span_data, by = c(".part", ".row_id", ".col_id"))
setorderv(tab_data, cols = c(".part", ".row_id", ".col_id"))
tab_data[tab_data$colspan < 1, c("txt") := list("")]
tab_data[tab_data$rowspan < 1, c("txt") := list("")]
tab_data[, c("txt", "fp_par_xml") := list(
paste0(.SD$fp_par_xml, .SD$txt),
NULL
)]
cells <- tab_data[, list(
fp_cell_rtf = paste0(.SD$fp_cell_rtf, collapse = ""),
content_rtf = paste0(.SD$txt, "\\cell", collapse = "")
), by = c(".part", ".row_id")]
split_str <- ""
if (!value$properties$opts_word$split) split_str <- "\\trkeep"
align <- match.arg(value$properties$align, c("center", "left", "right"), several.ok = FALSE)
align <- c("center" = "\\trqc", "left" = "\\trql", "right" = "\\trqr")[align]
hrule <- cell_hrule$hrule
heights <- round(cell_heights$height * 1440, 0)
heights[hrule %in% "auto"] <- 0
heights[hrule %in% "exact"] <- -heights[hrule %in% "exact"]
heights <- paste0("\\trrh", heights)
header_str <- rep("", nrow(cell_hrule))
header_str[cell_hrule$.part %in% "header"] <- "\\trhdr"
if (value$properties$layout %in% "fixed") {
autofit <- "\\trautofit0"
} else {
autofit <- "\\trautofit1"
}
header_str <- rep("", nrow(cell_hrule))
header_str[cell_hrule$.part %in% "header"] <- "\\trhdr"
rows <- paste0(
"\\trowd",
autofit,
"\\trgaph0\\trleft0\\tapltr",
align,
split_str,
heights,
header_str, cells$fp_cell_rtf, cells$content_rtf,
"\\row\\pard\n"
)
paste0(paste0(rows, collapse = ""), "\\vertalt")
}
#' @export
to_rtf.flextable <- function(x, topcaption = TRUE, ...) {
tab_str <- rtf_rows(x)
if (has_caption(x)) {
if (topcaption) {
tab_str <- paste0(caption_default_rtf(x), "\n\n", tab_str)
} else {
tab_str <- paste0(tab_str, "\n\n", caption_default_rtf(x))
}
}
tab_str
}
#' @export
#' @importFrom officer rtf_add
#' @title Add a 'flextable' into an RTF document
#' @description [officer::rtf_add()] method for adding
#' flextable objects into 'RTF' documents.
#' @param x rtf object, created by [officer::rtf_doc()].
#' @param value a flextable object
#' @param ... unused arguments
#' @examples
#' library(flextable)
#' library(officer)
#'
#' ft <- flextable(head(iris))
#' ft <- autofit(ft)
#'
#' z <- rtf_doc()
#' z <- rtf_add(z, ft)
#'
#' print(z, target = tempfile(fileext = ".rtf"))
rtf_add.flextable <- function(x, value, ...) {
x$content[[length(x$content) + 1]] <- value
x
}
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