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# Copyright (C) 2015 Johannes Ranke
# Contact: jranke@uni-bremen.de
# This file is part of the R package gmkin
# mkin 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.
# This program 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
# this program. If not, see <http://www.gnu.org/licenses/>
#' A workspace class for gmkin
#'
#' @docType class
#' @importFrom R6 R6Class
#' @importFrom mkin mkinws
#' @export
#' @format An \code{\link{R6Class}} generator object.
#' @field observed Names of the observed variables in the datasets, named
#' by the names used in the models contained in field m
#' @field ds A list of datasets compatible with mkinfit (long format)
#' @field ds.cur Index of the currently selected dataset
#' @field m A list of mkinmod models
#' @field m.cur Index of the currently selected model
#' @field f A list of mkinfit objects
#' @field f.cur Index of the currently selected fit
#' @field s The summaries of the mkinfit objects in field f
gmkinws <- R6Class("gmkinws",
public = list(
observed = NULL,
ds = list(),
ds.cur = NULL,
m = list(),
m.cur = NULL,
f = list(),
f.cur = NULL,
s = NA,
initialize = function(ds, m, f, ds.cur = NA, m.cur = NA, f.cur = NA) {
## Datasets
if (!missing(ds)) {
self$check_ds(ds)
self$ds = ds
self$ds.cur = ds.cur
# Collect names of observed variables
self$observed <- unique(sapply(ds, function(x) x$observed))
}
## Models
if (!missing(m)) {
self$check_m(m)
self$m <- m
}
self$m.cur = m.cur
## Fits
if (!missing(f)) {
self$f <- f
}
self$f.cur = f.cur
invisible(self)
},
check_ds = function(ds) {
errmsg <- "ds must be a list of mkinds objects"
if (!is.list(ds)) stop(errmsg)
lapply(ds, function(x) {
if (!is(x, "mkinds"))
stop(errmsg)
}
)
},
add_ds = function(ds) {
self$check_ds(ds)
common_names = intersect(names(self$ds), names(ds))
if (length(common_names) > 0) stop("Dataset name(s) ", paste(common_names, collapse = ", "), " already used.")
else append(self$ds, ds)
# Update names of observed variables
observed <- unique(sapply(ds, function(x) x$observed))
self$observed <- union(self$observed, observed)
invisible(self)
},
check_m = function(m) {
errmsg <- "m must be a list of mkinmod objects"
if (!is.list(m)) stop(errmsg)
lapply(m, function(x) {
if (!is(x, "mkinmod"))
stop(errmsg)
}
)
},
add_m = function(m) {
self$check_m(m)
common_names = intersect(names(self$m), names(m))
if (length(common_names) > 0) stop("Model name(s) ", paste(common_names, collapse = ", "), " already used.")
else self$m = c(self$m, m)
invisible(self)
}
)
)
#' @export
print.gmkinws <- function(x, ...) {
cat("<gmkinws> workspace object\n")
cat("\nDatasets:\n")
print(x$ds)
cat("\nModels:\n")
print(x$m)
cat("Current selections:\n")
cat("Dataset ", x$ds.cur, ", Model ", x$m.cur, ", Fit ", x$f.cur, "\n", sep = "")
cat("\nFits:\n")
print(names(x$f))
}
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