# 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 "saveobject" for RKWard plugins
#'
#' @param label Character string, a text label for this plugin element.
#' @param chk Logical, if \code{TRUE} and \code{checkable=TRUE} the option is checkable and active by default.
#' @param checkable Logical, if \code{TRUE} the option can be switched on and off.
#' @param initial Character string, the default name for the object should be saved to.
#' If \code{"auto"} and a label was provided, an name will be generated automatically from the label.
#' @param required Logical, whether an entry is mandatory or not.
#' @param id.name Character string, a unique ID for this plugin element.
#' If \code{"auto"} and a label was provided, an ID will be generated automatically from the label.
#' @param help Character string or list of character values and XiMpLe nodes, will be used as the \code{text} value for a setting node in the .rkh file.
#' If set to \code{FALSE}, \code{\link[rkwarddev:rk.rkh.scan]{rk.rkh.scan}} will ignore this node.
#' Also needs \code{component} to be set accordingly!
#' @param component Character string, name of the component this node belongs to. Only needed if you
#' want to use the scan features for automatic help file generation; needs \code{help} to be set
#' accordingly, too!
#' @param i18n Either a character string or a named list with the optional elements \code{context}
#' or \code{comment}, to give some \code{i18n_context} information for this node. If set to \code{FALSE},
#' the attribute \code{label} will be renamed into \code{noi18n_label}.
#' @return An object of class \code{XiMpLe.node}.
#' @export
#' @seealso \href{help:rkwardplugins}{Introduction to Writing Plugins for RKWard}
#' @examples
#' test.saveobj <- rk.XML.saveobj("Save the results")
#' cat(pasteXML(test.saveobj))
rk.XML.saveobj <- function(label, chk=FALSE, checkable=TRUE, initial="auto", required=FALSE, id.name="auto",
help=NULL, component=rk.get.comp(), i18n=NULL){
attr.list <- list(label=label)
if(isTRUE(checkable)){
attr.list[["checkable"]] <- "true"
if(isTRUE(chk)){
attr.list[["checked"]] <- "true"
} else {}
} else {
attr.list[["checkable"]] <- "false"
}
if(identical(initial, "auto")){
attr.list[["initial"]] <- auto.ids(label, suffix=".obj")
} else if(!is.null(id.name)){
attr.list[["initial"]] <- initial
} else {}
if(isTRUE(required)){
attr.list[["required"]] <- "true"
} else {}
if(identical(id.name, "auto")){
attr.list[["id"]] <- auto.ids(label, prefix=ID.prefix("saveobject"))
} else if(!is.null(id.name)){
attr.list[["id"]] <- id.name
} else {}
# check for additional i18n info; if FALSE, "label" will be renamed to "noi18n_label"
attr.list <- check.i18n(i18n=i18n, attrs=attr.list)
node <- check.i18n(
i18n=i18n,
node=XMLNode("saveobject", attrs=attr.list),
comment=TRUE
)
# check for .rkh content
rk.set.rkh.prompter(component=component, id=attr.list[["id"]], help=help)
return(node)
}
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