MenuBar

package cz.sunnas.school.LS.hour03_04_swing;

import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JSeparator;
import javax.swing.KeyStroke;

public class MenuBar extends JMenuBar {

    private final RecipesDatabaseEditor parentFrame;
    private final Dimension menuSize = new Dimension(250, 20);
    private boolean isLoaded = false;

    public MenuBar(RecipesDatabaseEditor parentFrame) {
        this.parentFrame = parentFrame;

        JMenu file = new JMenu("File");
        file.setMnemonic(KeyEvent.VK_F);
        file.add(LoadRecipes());
        file.add(new JSeparator(JSeparator.HORIZONTAL));
        file.add(AddRecipe());
        file.add(EditRecipe());
        file.add(DeleteRecipe());
        file.add(new JSeparator(JSeparator.HORIZONTAL));
        file.add(Exit());

        this.add(file);
    }

    private JMenuItem LoadRecipes() {
        JMenuItem load = new JMenuItem("Open recipes");
        load.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));
        load.setPreferredSize(menuSize);

        load.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                LoadRecipes dlg = new LoadRecipes(parentFrame);
                dlg.setModal(true); // modalita !!!
                dlg.setVisible(true);   // ceka dokud nebude uzavren formular
                if (dlg.getResult() != null) {  // precte hodnotu
                    isLoaded = true;
                    parentFrame.setPathOfRecipes(dlg.getResult());
                }
                dlg.dispose();
            }
        });

        return load;
    }

    private JMenuItem AddRecipe() {
        JMenuItem add = new JMenuItem("Add recipe...");
        add.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));
        add.setPreferredSize(menuSize);
        add.setEnabled(isLoaded);

        add.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {

            }
        });

        return add;
    }

    private JMenuItem EditRecipe() {
        JMenuItem edit = new JMenuItem("Edit recipe");
        edit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E, ActionEvent.CTRL_MASK));
        edit.setPreferredSize(menuSize);
        edit.setEnabled(isLoaded);

        edit.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {

            }
        });

        return edit;
    }

    private JMenuItem DeleteRecipe() {
        JMenuItem delete = new JMenuItem("Delete recipe");
        delete.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0));
        delete.setPreferredSize(menuSize);
        delete.setEnabled(isLoaded);

        delete.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {

            }
        });

        return delete;
    }

    private JMenuItem Exit() {
        JMenuItem exit = new JMenuItem("Exit");
        exit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.CTRL_MASK));
        exit.setPreferredSize(menuSize);

        exit.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                parentFrame.setVisible(false);
                parentFrame.dispose();
            }
        });

        return exit;
    }

}