R/workbook.writeWorksheet.R

In XLConnect: Excel Connector for R

#############################################################################
#
# XLConnect
# Copyright (C) 2010-2021 Mirai Solutions GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
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# GNU General Public License for more details.
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# along with this program.  If not, see <https://www.gnu.org/licenses/>.
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#############################################################################

#############################################################################
#
# Writing data to worksheets of an Excel file
# 
# Author: Martin Studer, Mirai Solutions GmbH
#
#############################################################################

setGeneric("writeWorksheet",
	function(object, data, sheet, startRow = 1, startCol = 1, header = TRUE,
	         overwriteFormulaCells = TRUE, rownames = NULL) standardGeneric("writeWorksheet"))

setMethod("writeWorksheet", 
	signature(object = "workbook", data = "ANY", sheet = "numeric"), 
	function(object, data, sheet, startRow = 1, startCol = 1, header = TRUE,
	         overwriteFormulaCells = TRUE, rownames = NULL) {
		data <- includeRownames(data, rownames)
		# pass data.frame's to Java - construct RDataFrameWrapper Java object references
		data <- lapply(wrapList(data), dataframeToJava)
		xlcCall(object, "writeWorksheet", data, as.integer(sheet - 1), as.integer(startRow - 1),
			as.integer(startCol - 1), header, overwriteFormulaCells)
		invisible()
	}
)

setMethod("writeWorksheet", 
	signature(object = "workbook", data = "ANY", sheet = "character"), 
	function(object, data, sheet, startRow = 1, startCol = 1, header = TRUE,
	         overwriteFormulaCells = TRUE, rownames = NULL) {
	  data <- includeRownames(data, rownames)
		# pass data.frame's to Java - construct RDataFrameWrapper Java object references
		data <- lapply(wrapList(data), dataframeToJava)
		xlcCall(object, "writeWorksheet", data, sheet, as.integer(startRow - 1), 
			as.integer(startCol - 1), header, overwriteFormulaCells)
		invisible()
	}
)