gui-for-ffmpeg/handler/menu.go

package handler

import (
	"fyne.io/fyne/v2"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/localizer"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/menu"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/theme"
)

type MenuHandlerContract interface {
	GetMainMenu() *fyne.MainMenu
	LanguageSelection()
}

type MenuHandler struct {
	app              kernel.AppContract
	convertorHandler ConvertorHandlerContract
	menuView         menu.ViewContract
	menuViewSetting  menu.ViewSettingContract
	localizerView    localizer.ViewContract
	themeService     theme.ThemeContract
}

func NewMenuHandler(
	app kernel.AppContract,
	convertorHandler ConvertorHandlerContract,
	menuView menu.ViewContract,
	menuViewSetting menu.ViewSettingContract,
	localizerView localizer.ViewContract,
	themeService theme.ThemeContract,
) *MenuHandler {
	return &MenuHandler{
		app:              app,
		convertorHandler: convertorHandler,
		menuView:         menuView,
		menuViewSetting:  menuViewSetting,
		localizerView:    localizerView,
		themeService:     themeService,
	}
}

func (h MenuHandler) GetMainMenu() *fyne.MainMenu {
	settings := h.getMenuSettings()
	help := h.getMenuHelp()

	return fyne.NewMainMenu(settings, help)
}

func (h MenuHandler) getMenuSettings() *fyne.Menu {
	quit := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("exit"), nil)
	quit.IsQuit = true
	h.app.GetLocalizerService().AddChangeCallback("exit", func(text string) {
		quit.Label = text
	})

	settingsSelection := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("settings"), h.settingsSelection)
	h.app.GetLocalizerService().AddChangeCallback("settings", func(text string) {
		settingsSelection.Label = text
	})

	ffPathSelection := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("changeFFPath"), h.convertorHandler.FfPathSelection)
	h.app.GetLocalizerService().AddChangeCallback("changeFFPath", func(text string) {
		ffPathSelection.Label = text
	})

	settings := fyne.NewMenu(h.app.GetLocalizerService().GetMessage("settings"), settingsSelection, ffPathSelection, quit)
	h.app.GetLocalizerService().AddChangeCallback("settings", func(text string) {
		settings.Label = text
		settings.Refresh()
	})

	return settings
}

func (h MenuHandler) getMenuHelp() *fyne.Menu {
	about := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("about"), h.openAbout)
	h.app.GetLocalizerService().AddChangeCallback("about", func(text string) {
		about.Label = text
	})

	gratitude := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("gratitude"), h.menuView.Gratitude)
	h.app.GetLocalizerService().AddChangeCallback("gratitude", func(text string) {
		gratitude.Label = text
	})

	helpFFplay := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("helpFFplay"), h.menuView.HelpFFplay)
	h.app.GetLocalizerService().AddChangeCallback("helpFFplay", func(text string) {
		helpFFplay.Label = text
	})

	help := fyne.NewMenu(h.app.GetLocalizerService().GetMessage("help"), helpFFplay, about, gratitude)
	h.app.GetLocalizerService().AddChangeCallback("help", func(text string) {
		help.Label = text
		help.Refresh()
	})

	return help
}

func (h MenuHandler) openAbout() {
	ffmpeg, err := h.convertorHandler.GetFfmpegVersion()
	if err != nil {
		ffmpeg = h.app.GetLocalizerService().GetMessage("errorFFmpegVersion")
	}
	ffprobe, err := h.convertorHandler.GetFfprobeVersion()
	if err != nil {
		ffprobe = h.app.GetLocalizerService().GetMessage("errorFFprobeVersion")
	}
	ffplay, err := h.convertorHandler.GetFfplayVersion()
	if err != nil {
		ffplay = h.app.GetLocalizerService().GetMessage("errorFFplayVersion")
	}

	h.menuView.About(ffmpeg, ffprobe, ffplay)
}

func (h MenuHandler) LanguageSelection() {
	h.localizerView.LanguageSelection(func(lang kernel.Lang) {
		h.convertorHandler.MainConvertor()
	})
}

func (h MenuHandler) settingsSelection() {
	save := func(setting *menu.SettingForm) error {
		err := h.app.GetLocalizerService().SetCurrentLanguage(setting.Language, true)
		if err != nil {
			return err
		}

		err = h.themeService.SetCurrentTheme(setting.ThemeInfo)
		if err != nil {
			return err
		}

		h.convertorHandler.MainConvertor()
		return nil
	}
	cancel := func() {
		h.convertorHandler.MainConvertor()
	}
	h.menuViewSetting.Main(save, cancel)
}