Java/Блокнот/NoteFrame.java 1: различия между версиями

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м «Java/src/NoteFrame.java» переименована в «Java/Блокнот/NoteFrame.java»: изменение в структуре исходников
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import java.awt.*;
'''public class''' NoteFrame '''extends''' JFrame {
import java.awt.event.*;
 
import javax.swing.*;
'''public class''' NoteFrame '''extends''' JFrame {
MenuBar menuBar = new MenuBar();
private MenuItem menuOpen;
private MenuItem menuSave;
private MenuItem menuExit;
private MenuItem menuAbout;
private JTextArea theText;
public NoteFrame() {
super("Note");
initMenu();
initMainPanel();
initListeners();
}
private void initMenu() {
PopupMenu fileMenu = new PopupMenu("File");
PopupMenu helpMenu = new PopupMenu("Help");
menuOpen = new MenuItem("Open", new MenuShortcut(KeyEvent.VK_O));
menuSave = new MenuItem("Save", new MenuShortcut(KeyEvent.VK_S));
menuExit = new MenuItem("Exit", new MenuShortcut(KeyEvent.VK_X));
menuAbout = new MenuItem("About", new MenuShortcut(KeyEvent.VK_A));
fileMenu.add(menuOpen);
fileMenu.add(menuSave);
fileMenu.add(menuExit);
helpMenu.add(menuAbout);
menuBar.add(fileMenu);
menuBar.add(helpMenu);
this.setMenuBar(menuBar);
}
private void initMainPanel() {
JPanel panel = new JPanel(new BorderLayout());
theText = new JTextArea();
panel.add(new JScrollPane(theText), BorderLayout.CENTER);
getContentPane().add(panel);
}
private void initListeners() {
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
menuAbout.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
//TODO: about
}
});
menuExit.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
System.exit(0);
}
});
menuSave.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
//TODO: save file
}
});
menuOpen.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent arg0) {
// TODO: open file
}
});
}
}