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# BiasCorrector: A GUI to Correct Measurement Bias in DNA Methylation Analyses
# Copyright (C) 2019-2022 Lorenz Kapsner
#
# 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
# 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/>.
#' @title module_log_server
#'
#' @inheritParams module_calibrationfile_server
#'
#' @return The function returns a shiny server module.
#'
#' @seealso \url{https://shiny.rstudio.com/articles/modules.html}
#'
#' @examples
#' if (interactive()) {
#' rv <- list()
#' logfilename <- paste0(tempdir(), "/log.txt")
#' shiny::callModule(
#' module_log_server,
#' "moduleLog",
#' rv = rv,
#' logfilename = logfilename
#' )
#' }
#'
#' @export
#'
# module_log_server
module_log_server <- function(input,
output,
session,
rv,
input_re,
...) {
arguments <- list(...)
# logfileviewer
observe({
file <- reactiveFileReader(500, session,
arguments$logfilename,
readLines)
rv$logfile <- file()
output$download_logfile <- downloadHandler(
filename = function() {
paste0("BC_logfile.txt")
},
content = function(file) {
write(rv$logfile, file)
},
contentType = "text/csv"
)
})
output$log_out <- reactive({
paste(paste0(rv$logfile, collapse = "\n"))
})
}
#' @title module_log_ui
#'
#' @param id A character. The identifier of the shiny object
#'
#' @return The function returns a shiny ui module.
#'
#' @seealso \url{https://shiny.rstudio.com/articles/modules.html}
#'
#' @examples
#' if (interactive()) {
#' shinydashboard::tabItems(
#' shinydashboard::tabItem(
#' tabName = "log",
#' module_log_ui(
#' "moduleLog"
#' )
#' )
#' )
#' }
#'
#' @export
#'
# module_log_ui
module_log_ui <- function(id) {
ns <- NS(id)
tagList(fluidRow(
box(
title = "Log",
verbatimTextOutput(ns("log_out")),
tags$head(tags$style(
paste0(
"#moduleLog-log_out{overflow-y:scroll; ",
"max-height: 70vh; background: ghostwhite;}"
)
)),
width = 9
),
box(
title = "Download Log File",
div(
class = "row",
style = "text-align: center;",
shinyjs::disabled(downloadButton(
ns("download_logfile"),
"Download Log File",
paste0(
"white-space: normal; ",
"text-align:center; ",
"padding: 9.5px 9.5px 9.5px 9.5px; ",
"margin: 6px 10px 6px 10px;"
)
))
),
tags$hr(),
width = 3
)
))
}
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