CDT: Climate Data Tools

SavePlot <- function(){
    if(WindowsOS()){
        largeur <- 55
    }else{
        largeur <- 40
    }

    ######################################

    xml.dlg <- file.path(.cdtDir$dirLocal, "languages", "cdtSavePlot_dlgBox.xml")
    lang.dlg <- cdtLanguageParse(xml.dlg, .cdtData$Config$lang.iso)

    ######################################
    tt <- tktoplevel()
    tkgrab.set(tt)
    tkfocus(tt)

    frDialog <- tkframe(tt, relief = 'raised', borderwidth = 2)
    frButt <- tkframe(tt)

    ######################################

    frA <- tkframe(frDialog, relief = 'sunken', borderwidth = 2)

    fileImage <- tclVar()

    txt.file.save <- tklabel(frA, text = lang.dlg[['label']][['1']], anchor = 'w', justify = 'left')
    en.file.save <- tkentry(frA, textvariable = fileImage, width = largeur)
    bt.file.save <- tkbutton(frA, text = "...")

    tkconfigure(bt.file.save, command = function(){
        tcl('wm', 'attributes', tt, topmost = FALSE)
        file2save <- tk_get_SaveFile(filetypes = .cdtEnv$tcl$data$filetypes5)
        tcl('wm', 'attributes', tt, topmost = TRUE)
        tclvalue(fileImage) <- if(!is.na(file2save)) file2save else ""
    })

    #########
    tkgrid(txt.file.save, row = 0, column = 0, sticky = 'we', rowspan = 1, columnspan = 5, padx = 1, pady = 0, ipadx = 1, ipady = 1)
    tkgrid(en.file.save, row = 1, column = 0, sticky = 'we', rowspan = 1, columnspan = 4, padx = 0, pady = 0, ipadx = 1, ipady = 1)
    tkgrid(bt.file.save, row = 1, column = 4, sticky = 'we', rowspan = 1, columnspan = 1, padx = 0, pady = 0, ipadx = 1, ipady = 1)

    ####################
    frB <- ttklabelframe(frDialog, text = lang.dlg[['label']][['2']], relief = 'sunken', borderwidth = 2)

    uImage <- tclVar("px")
    wImage <- tclVar(480)
    hImage <- tclVar(480)
    rImage <- tclVar(100)
    txtUnit <- tclVar("px")

    stateRes <- if(tclvalue(uImage) == "px") "disabled" else "normal"

    txt.img.unit <- tklabel(frB, text = lang.dlg[['label']][['3']], anchor = 'w', justify = 'left')
    cb.img.unit <- ttkcombobox(frB, values = c("px", "in", "cm", "mm"), textvariable = uImage, width = 5)

    txt.img.res <- tklabel(frB, text = lang.dlg[['label']][['4']], anchor = 'e', justify = 'right')
    en.img.res <- tkentry(frB, textvariable = rImage, width = 6, state = stateRes)
    txt.img.res1 <- tklabel(frB, text = 'ppi', anchor = 'w', justify = 'left')

    txt.img.width <- tklabel(frB, text = lang.dlg[['label']][['5']], anchor = 'e', justify = 'right')
    en.img.width <- tkentry(frB, textvariable = wImage, width = 6)
    txt.img.width1 <- tklabel(frB, text = tclvalue(txtUnit), textvariable = txtUnit, anchor = 'w', justify = 'left')

    txt.img.height <- tklabel(frB, text = lang.dlg[['label']][['6']], anchor = 'e', justify = 'right')
    en.img.height <- tkentry(frB, textvariable = hImage, width = 6)
    txt.img.height1 <- tklabel(frB, text = tclvalue(txtUnit), textvariable = txtUnit, anchor = 'w', justify = 'left')

    #########
    tkgrid(txt.img.unit, row = 1, column = 0, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(cb.img.unit, row = 1, column = 1, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)

    tkgrid(txt.img.res, row = 1, column = 3, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(en.img.res, row = 1, column = 4, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(txt.img.res1, row = 1, column = 5, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)

    tkgrid(txt.img.width, row = 2, column = 0, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(en.img.width, row = 2, column = 1, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(txt.img.width1, row = 2, column = 2, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)

    tkgrid(txt.img.height, row = 2, column = 3, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(en.img.height, row = 2, column = 4, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(txt.img.height1, row = 2, column = 5, sticky = 'we', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)

    #########
    tkbind(cb.img.unit, "<<ComboboxSelected>>", function(){
        stateRes <- if(tclvalue(uImage) == "px") "disabled" else "normal"
        tkconfigure(en.img.res, state = stateRes)

        tclvalue(txtUnit) <- tclvalue(uImage)

        if(tclvalue(uImage) == "px"){
            tclvalue(wImage) <- 480
            tclvalue(hImage) <- 480
        }

        if(tclvalue(uImage) == "in"){
            tclvalue(wImage) <- 4
            tclvalue(hImage) <- 4
        }

        if(tclvalue(uImage) == "cm"){
            tclvalue(wImage) <- 6
            tclvalue(hImage) <- 6
        }

        if(tclvalue(uImage) == "mm"){
            tclvalue(wImage) <- 600
            tclvalue(hImage) <- 600
        }
    })

    ####################
    tkgrid(frA, row = 0, column = 0, sticky = 'we', padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(frB, row = 1, column = 0, sticky = '', padx = 1, pady = 3, ipadx = 1, ipady = 1)

    ######################################

    bt.opt.OK <- ttkbutton(frButt, text = .cdtEnv$tcl$lang$global[['button']][['1']])
    bt.opt.CA <- ttkbutton(frButt, text = .cdtEnv$tcl$lang$global[['button']][['2']])

    tkconfigure(bt.opt.OK, command = function(){
        if(tclvalue(fileImage) %in% c("", "NA")){
            cdt.tkmessageBox(tt, message = lang.dlg[['message']][['1']], icon = "warning", type = "ok")
            tkwait.window(tt)
        }else{
            filename <- trimws(tclvalue(fileImage))
            units <- trimws(tclvalue(uImage))
            res <- as.numeric(trimws(tclvalue(rImage)))
            width <- as.numeric(trimws(tclvalue(wImage)))
            height <- as.numeric(trimws(tclvalue(hImage)))

            foo <- tolower(tools::file_ext(filename))
            if(is.na(foo) | foo == ""){
                filename <- paste0(filename, '.jpg')
                foo <- "jpeg"
            }
            if(foo == "jpg") foo <- "jpeg"
            image.fun <- get(foo, mode = "function")

            tabid <- as.integer(tclvalue(tkindex(.cdtEnv$tcl$main$tknotes, 'current'))) + 1
            if(.cdtData$OpenTab$Type[[tabid]] == "img"){
                image.fun(file = filename, width = width, height = height, units = units, res = res)

                plotFun <- if(class(.cdtData$OpenTab$Data[[tabid]][[2]]) == "tkwin") 
                                .cdtData$OpenTab$Data[[tabid]][[2]]
                            else
                                .cdtData$OpenTab$Data[[tabid]][[2]][[2]]
                ret <- try(plotFun$fun(), silent = TRUE)
                if(inherits(ret, "try-error"))
                    Insert.Messages.Out(lang.dlg[['message']][['2']], format = TRUE)
                grDevices::dev.off()
            }

            tkgrab.release(tt)
            tkdestroy(tt)
            tkfocus(.cdtEnv$tcl$main$win)
        }
    })

    tkconfigure(bt.opt.CA, command = function(){
        tkgrab.release(tt)
        tkdestroy(tt)
        tkfocus(.cdtEnv$tcl$main$win)
    })

    tkgrid(bt.opt.OK, row = 0, column = 0, sticky = 'w', padx = 5, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(bt.opt.CA, row = 0, column = 1, sticky = 'e', padx = 5, pady = 1, ipadx = 1, ipady = 1)

    ###############################################################

    tkgrid(frDialog, row = 0, column = 0, sticky = 'nswe', rowspan = 1, columnspan = 2, padx = 1, pady = 1, ipadx = 1, ipady = 1)
    tkgrid(frButt, row = 1, column = 1, sticky = 'se', rowspan = 1, columnspan = 1, padx = 1, pady = 1, ipadx = 1, ipady = 1)

    tkwm.withdraw(tt)
    tcl('update')
    tt.w <- as.integer(tkwinfo("reqwidth", tt))
    tt.h <- as.integer(tkwinfo("reqheight", tt))
    tt.x <- as.integer(.cdtEnv$tcl$data$width.scr*0.5 - tt.w*0.5)
    tt.y <- as.integer(.cdtEnv$tcl$data$height.scr*0.5 - tt.h*0.5)
    tkwm.geometry(tt, paste0('+', tt.x, '+', tt.y))
    tkwm.transient(tt)
    tkwm.title(tt, lang.dlg[['title']])
    tkwm.deiconify(tt)
    tcl('wm', 'attributes', tt, topmost = TRUE)

    tkfocus(tt)
    tkbind(tt, "<Destroy>", function(){
        tkgrab.release(tt)
        tkfocus(.cdtEnv$tcl$main$win)
    })
    tkwait.window(tt)
    return(0)
}