app_for_indeed/App for Indeed/Services/AppMenuLocalizer.swift

//
//  AppMenuLocalizer.swift
//  App for Indeed
//

import Cocoa

/// Applies in-app language to the main menu and window chrome (storyboard defaults are English).
enum AppMenuLocalizer {
    static func apply() {
        let appName = AppMarketingLinks.appDisplayName

        if let window = AppWindowConfiguration.mainWindow() {
            window.title = appName
        }

        if let item = NSApp.delegate as? AppDelegate {
            item.refreshMainWindowMenuItemTitle()
        }

        guard let mainMenu = NSApp.mainMenu,
              let appMenuItem = mainMenu.items.first,
              let appMenu = appMenuItem.submenu else { return }

        appMenuItem.title = appName

        for item in appMenu.items {
            let action = item.action
            if action == #selector(NSApplication.orderFrontStandardAboutPanel(_:)) {
                item.title = String(format: L("About %@"), appName)
            } else if action == #selector(NSApplication.hide(_:)) {
                item.title = String(format: L("Hide %@"), appName)
            } else if action == #selector(NSApplication.terminate(_:)) {
                item.title = String(format: L("Quit %@"), appName)
            } else if item.keyEquivalent == "," {
                item.title = L("Preferences…")
            }
        }
    }
}