pdgopentest-menu2.swift

// more gui experiments
// see: https://stackoverflow.com/questions/54357317/nssavepanel-name-not-user-editable

import AppKit
import Foundation
import Quartz

NSApplication.shared.setActivationPolicy(.accessory)

func helperReadPDF(_ filename: String) -> String {
    let pdata = try! NSData(contentsOfFile: filename) as Data
    let pdf = PDFDocument(data: pdata)
    return pdf!.string!
}

func selectFile() -> URL? {
    let dialog = NSOpenPanel()
    dialog.allowedFileTypes = ["pdf"]
    guard dialog.runModal() == .OK else { return nil }
    return dialog.url
}


func getSaveLocation() -> URL? {
    let sa = NSSavePanel()
    sa.nameFieldStringValue = "Untitled.txt"
    sa.canCreateDirectories = true
    sa.allowedFileTypes = ["txt"]
    guard sa.runModal() == .OK else { return nil }
    return sa.url
}

let file = selectFile()?.path ?? ""
let dest = getSaveLocation()!
try! helperReadPDF(file).write(to: dest, atomically: true, encoding: .utf8)