// Example license demonstrates the use of a TextView to display licensing 
// information.
package main

import "image"
import _ "embed"
import "git.tebibyte.media/tomo/tomo"
import "git.tebibyte.media/tomo/nasin"
import "git.tebibyte.media/tomo/objects"
import "git.tebibyte.media/tomo/objects/layouts"

//go:embed LICENSE
var license []byte

type Application struct { }

func (this *Application) Describe () nasin.ApplicationDescription {
	return nasin.ApplicationDescription {
		Name: "Tomo License Example",
		ID:   "xyz.holanet.TomoLicenseExample",
	}
}

func (this *Application) Init () error {
	window, err := nasin.NewApplicationWindow(this, image.Rect(0, 0, 600, 600))
	if err != nil { return err }

	checkbox := objects.NewLabelCheckbox(false, "I accept these terms")
	checkbox.SetFocused(true)

	okButtok := objects.NewButton("OK")
	okButtok.SetIcon(tomo.IconDialogOkay)
	okButtok.OnClick(func () {
		if checkbox.Value() {
			window.Close()
		} else {
			dialog, _ := objects.NewDialogOk (
				objects.DialogInformation, window,
				"", "You must read and agree to the license terms", nil)
			dialog.SetVisible(true)
		}
	})

	scroller := objects.NewScrollContainer(objects.ScrollVertical)
	scroller.SetRoot(objects.NewTextView(string(license)))
	
	window.SetRoot(objects.NewOuterContainer (
		layouts.NewGrid([]bool { true }, []bool { true, false }),
		scroller,
		objects.NewInnerContainer (
			layouts.NewGrid([]bool { true, false }, []bool { true }),
			checkbox,
			okButtok)))
	
	window.OnClose(tomo.Stop)
	window.SetVisible(true)
	return nil
}

func main () {
	nasin.RunApplication(&Application { })
}