# Copyright 2010-2014 Meik Michalke <meik.michalke@hhu.de>
#
# This file is part of the R package rkwarddev.
#
# rkwarddev is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# rkwarddev is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with rkwarddev. If not, see <http://www.gnu.org/licenses/>.
#' Create XML node "set" for RKWard plugins
#'
#' @param id Either a character string (the \code{id} of the property whose value should be set),
#' or an object of class \code{XiMpLe.node} (whose \code{id} will be extracted and used).
#' @param set Character string, a valid modifier.
#' @param to Character string or logical, the value the property should be set to.
#' @param check.modifiers Logical, if \code{TRUE} the given modifiers will be checked for validity. Should only be
#' turned off if you know what you're doing.
#' @return An object of class \code{XiMpLe.node}.
#' @export
#' @seealso
#' \code{\link[rkwarddev:rk.XML.connect]{rk.XML.connect}},
#' \code{\link[rkwarddev:rk.XML.external]{rk.XML.external}},
#' \code{\link[rkwarddev:rk.XML.logic]{rk.XML.logic}},
#' \code{\link[rkwarddev:rk.XML.set]{rk.XML.set}},
#' \code{\link[rkwarddev:rk.XML.switch]{rk.XML.switch}},
#' and the \href{help:rkwardplugins}{Introduction to Writing Plugins for RKWard}
#' @examples
#' test.set <- rk.XML.set(id="input_foo", set="required", to=TRUE)
#' cat(pasteXML(test.set))
rk.XML.set <- function(id, set=NULL, to, check.modifiers=TRUE){
if(length(id) > 1 | length(to) > 1){
stop(simpleError("'id' and 'to' must be of length 1!"))
} else {}
# check for container objects
id <- stripXML(id)
# let's see if we need to extract IDs first
prop.id <- check.ID(id)
if(!is.null(set)){
if(isTRUE(check.modifiers)){
modif.validity(id, modifier=set, ignore.empty=TRUE, warn.only=FALSE, bool=TRUE)
} else {}
prop.id <- paste(prop.id, set, sep=".")
} else {}
attr.list <- list(id=as.character(prop.id))
if(is.logical(to)){
attr.list[["to"]] <- ifelse(isTRUE(to), "true", "false")
} else {
attr.list[["to"]] <- as.character(to)
}
node <- XMLNode("set", attrs=attr.list)
return(node)
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.