#' @import ggplot2
.onLoad <- function (...) {
.options$set("sequential", "GnBu")
.options$set("diverging", "RdBu")
.options$set("qualitative", "Paired")
.options$set("resources", system.file(package = "SOUNDBoard", "resources"))
.options$set("css",
file.path(.options$get("resources"), "html", "soundboard2.css"))
theme_soundboard <- ggplot2::theme_bw() +
ggplot2::theme(strip.background = element_rect(fill = "#12698C",
colour = "#3A8988"),
strip.text = element_text(colour = "#F0F0F0"),
legend.title = element_blank(),
panel.grid.major = element_line(colour = "#3A8988"))
ggplot2::theme_set(theme_soundboard)
}
.options <- local({
options <- list(
colors = c("sequential", "diverging", "qualitative"),
style = c("resources", "css")
)
env <- new.env(parent=emptyenv())
list(set=function(variable, value) {
stopifnot(
is.character(variable), length(variable) == 1L, !is.na(variable),
is.character(value), length(value) == 1L, !is.na(value),
variable %in% unlist(options, use.names = FALSE)
)
if (variable %in% options[["colors"]] &&
!value %in% rownames(RColorBrewer::brewer.pal.info))
stop("Select a valid color palette")
env[[variable]] <- value
}, get=function(variable) {
stopifnot(variable %in% unlist(options, use.names = FALSE))
env[[variable]]
})
})
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