R/readCompact.R

In detrendeR: A Graphical User Interface (GUI) to Visualize and Analyze Dendrochronological Data

readCompact <- function() {
  done <- tclVar(0)
  path <- tclvalue(tkgetOpenFile())
  filenamevar <- tclVar(path)
  tabnamevar <- tclVar(basename(path))
  header.var <- tclVar(0)
  show.data <- tclVar(0)
  header.bl <- FALSE

  choosefile <- function() {
    fictrt <- tkgetOpenFile()
    fpath <- tclvalue(fictrt)
    tkfocus(tff)
    if (fpath != "") {
      tkdelete(file.entry, 0, "end")
      tkinsert(file.entry, "end", fpath)
      tkdelete(tab.entry, 0, "end")
      tkinsert(tab.entry, "end", basename(fpath))
    }
  }
  choosefic <- function() {
    if (tclvalue(tabnamevar) != "") {
      tabname <- parse(text = tclvalue(tabnamevar))[[1]]
    } else {
      tabname <- "untitled"
    }
    if (tclvalue(filenamevar) != "") {
      filename <- tclvalue(filenamevar)
    } else {
      return()
    }
    tkdestroy(tff)
    # TODO
    rwl <- read.compact(filename)
    # export2GlobalEnv(.tcl2str(tabname), rwl)
    rdcom <- paste(tabname, " <<- rwl")
    eval(parse(text = rdcom))
    if (.tcl2num(show.data)) {
      edit(rwl)
    }
  }

  tff <- tktoplevel()
  tkwm.title(tff, "Open a compact file")
  tkwm.resizable(tff, 0, 0)
  tkwm.geometry(tff, paste("+0+", .get(".height"), sep = ""))
  tkwm.deiconify(tff)
  tkgrab.set(tff)
  tkfocus(tff)

  frame1 <- tkframe(tff, relief = "groove")
  frame2 <- tkframe(tff, relief = "groove")
  frame.preview <- tkframe(tff, relief = "groove")
  tab.entry <- tkentry(frame1, textvariable = tabnamevar)
  file.entry <- tkentry(frame1, textvariable = filenamevar)
  separator <- tklabel(frame1, text = "")
  choosefile.but <-
    tkbutton(
      frame1,
      text = "...",
      command = choosefile, width = 2
    )
  tkgrid(
    tklabel(frame1, text = "Select a file to read: "),
    file.entry,
    separator,
    choosefile.but,
    sticky = "w"
  )
  tkgrid(tklabel(frame1, text = "Enter name for data set: "),
    tab.entry,
    sticky = "w"
  )
  tkpack(frame1, fill = "x")

  show.data.cbut <-
    tkcheckbutton(frame2,
      text = "Show data frame                       ",
      variable = show.data
    )

  tkpack(show.data.cbut, side = "left")

  tkpack(frame2)
  frame.exit <- tkframe(tff, relief = "groove")
  fr.exit.space <- tklabel(frame.exit, text = " ")
  ok.but <-
    tkbutton(
      frame.exit,
      text = "      Ok      ",
      command = choosefic
    )
  cancel.but <- tkbutton(
    frame.exit,
    text = "    Cancel    ",
    command = function() {
      tkdestroy(tff)
    }
  )
  tkgrid(cancel.but, fr.exit.space, ok.but)
  tkpack(frame.exit)
  tkfocus(tff)
  tkbind(tff, "<Destroy>", function() {
    tclvalue(done) <- 2
  })
  tkbind(tff, "<KeyPress-Return>", choosefic)
  tkbind(tff, "<KeyPress-Escape>", function() {
    tkdestroy(tff)
  })
  tkwait.variable(done)
  if (tclvalue(done) == "2") {
    tkdestroy(tff)
  }
}