1import Cocoa
 2
 3// Compilation: swiftc file_picker.swift -o file_picker
 4// Usage: ./file_picker [initial_path]
 5
 6func openFilePicker(initialPath: String?) {
 7    let dialog = NSOpenPanel()
 8    
 9    dialog.title                   = "Select an attachment"
10    dialog.showsResizeIndicator    = true
11    dialog.showsHiddenFiles        = false
12    dialog.canChooseDirectories    = false
13    dialog.canCreateDirectories    = false
14    dialog.allowsMultipleSelection = true
15    
16    if let initialPath = initialPath {
17        dialog.directoryURL = URL(fileURLWithPath: (initialPath as NSString).expandingTildeInPath)
18    }
19
20    // Since this is a CLI helper, we need to force it to the front
21    NSApp.setActivationPolicy(.accessory)
22    NSApp.activate(ignoringOtherApps: true)
23
24    if dialog.runModal() == .OK {
25        let results = dialog.urls.map { $0.path }
26        print(results.joined(separator: "\n"))
27    }
28}
29
30let args = ProcessInfo.processInfo.arguments
31let initialPath = args.count > 1 ? args[1] : nil
32
33openFilePicker(initialPath: initialPath)