package menumnemonicsapp;

import com.sun.javafx.runtime.VersionInfo;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class MenuMnemonicsApp extends Application {

    public static final String CHECK_MENU_PARSE_ID = "check.menu.parse.id";

    public static void main(String[] args) {
        launch(args);
    }

    public Scene getScene() {
        return new MnemonicsScene();
    }

    protected VBox box = new VBox(10);

    @Override
    public void start(Stage primaryStage) throws Exception {
        primaryStage.setTitle(VersionInfo.getRuntimeVersion());
        primaryStage.setScene(getScene());
        primaryStage.show();
    }

    public class MnemonicsScene extends Scene {
        public MnemonicsScene() {
            super(box, 600, 400);

            final MenuBar bar = new MenuBar();
            generateMenus(bar.getMenus(), 2, 2, 0);

            CheckBox check = new CheckBox("setMnemonicParse()");
            check.setSelected(true);
            check.setId(CHECK_MENU_PARSE_ID);
            check.selectedProperty().addListener(new ChangeListener<Boolean>() {
                public void changed(ObservableValue<? extends Boolean> ov, Boolean t, Boolean t1) {
                    setMnemocicParse((ObservableList)bar.getMenus(), t1);
                }
            });

            box.getChildren().addAll(bar, check);
        }

        void setMnemocicParse(ObservableList<MenuItem> list, Boolean value) {
            for (MenuItem item : list) {
                if (item instanceof Menu) {
                    ((Menu)item).setMnemonicParsing(value);
                    setMnemocicParse(((Menu)item).getItems(), value);
                }
            }
        }

        char letter = 'A';
        void generateMenus(ObservableList list, int width, int depth, int level) {
            for (int i = 0; i < width; i++) {
                String name = "Menu " + level + " " + i + " _" + letter++;
                if (level < depth) {
                    Menu menu = new Menu(name);
                    generateMenus(menu.getItems(), width, depth, level + 1);
                    list.add(menu);
                } else {
                    MenuItem menu = new MenuItem(name);
                    list.add(menu);
                }
            }
        }
    }
}