package java0918_gui; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JToolBar; import javax.swing.KeyStroke; class MenuTest extends JFrame implements ActionListener { JMenu file, edit, align, help; JMenuItem fnew, open, save; JMenuItem copy, paste, cut; JMenuItem left, right, center; // JToolBar에 연결할 컴포넌트 선언 JButton fnewBtn, openBtn, saveBtn; public MenuTest() { JMenuBar menubar = new JMenuBar(); file = new JMenu("File"); edit = new JMenu("Edit"); align = new JMenu("Align"); help = new JMenu("Help"); // 메뉴바에 메뉴를 연결한다. menubar.add(file); menubar.add(edit); menubar.add(help); // 프레임에 메뉴바를 연결한다. setJMenuBar(menubar); fnew = new JMenuItem("New"); open = new JMenuItem("Open"); save = new JMenuItem("Save"); // 서브메뉴 특정문자에 언더바를 표시한다. fnew.setMnemonic('N'); open.setMnemonic('O'); save.setMnemonic('S'); fnew.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_DOWN_MASK)); open.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_DOWN_MASK)); save.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_DOWN_MASK)); // file 메뉴에 서브메뉴 연결 file.add(fnew); file.addSeparator(); // 구분선 file.add(open); file.add(save); left = new JMenuItem("Left"); right = new JMenuItem("Right"); center = new JMenuItem("Center"); // align 메뉴에 서브메뉴 연결 align.add(left); align.add(right); align.add(center); edit.add(align); JToolBar toolBar = new JToolBar(); fnewBtn = new JButton(new ImageIcon("src/java0918_gui/images/new.gif")); openBtn = new JButton(new ImageIcon("src/java0918_gui/images/open.gif")); saveBtn = new JButton(new ImageIcon("src/java0918_gui/images/save.gif")); toolBar.add(fnewBtn); toolBar.add(openBtn); toolBar.add(saveBtn); add(BorderLayout.NORTH, toolBar); open.addActionListener(this); openBtn.addActionListener(this); setSize(500, 400); setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } @Override public void actionPerformed(ActionEvent e) { Object obj = e.getSource(); if (obj == open || obj == openBtn) { JFileChooser openFile = new JFileChooser(); openFile.showOpenDialog(this); } } } public class Java225_gui { public static void main(String[] args) { new MenuTest(); } }