Toolbar and menubar
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JToolBar;
public class ToolbarDemo extends JFrame {
public static final String FontNames[] = { "Serif", "SansSerif", "Courier" };
protected Font fonts[];
protected JMenuItem[] fontMenus;
protected JCheckBoxMenuItem boldMenu = new JCheckBoxMenuItem("Bold");
protected JCheckBoxMenuItem italicMenu = new JCheckBoxMenuItem("Italic");
protected JToolBar toolBar;
public ToolbarDemo() {
super("Toolbars & actions");
setSize(450, 350);
fonts = new Font[FontNames.length];
for (int i = 0; i < FontNames.length; i++)
fonts[i] = new Font(FontNames[i], Font.PLAIN, 12);
JMenuBar menuBar = createMenuBar();
setJMenuBar(menuBar);
WindowListener wndCloser = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
};
addWindowListener(wndCloser);
updateMonitor();
setVisible(true);
}
protected JMenuBar createMenuBar() {
final JMenuBar menuBar = new JMenuBar();
JMenu mFile = new JMenu("File");
mFile.setMnemonic('f');
ImageIcon iconNew = new ImageIcon("file_new.gif");
Action actionNew = new AbstractAction("New", iconNew) {
public void actionPerformed(ActionEvent e) {
System.out.println("new action");
}
};
JMenuItem item = mFile.add(actionNew);
mFile.add(item);
ImageIcon iconOpen = new ImageIcon("file_open.gif");
Action actionOpen = new AbstractAction("Open...", iconOpen) {
public void actionPerformed(ActionEvent e) {
System.out.println("open action");
}
};
item = mFile.add(actionOpen);
mFile.add(item);
ImageIcon iconSave = new ImageIcon("file_save.gif");
Action actionSave = new AbstractAction("Save...", iconSave) {
public void actionPerformed(ActionEvent e) {
System.out.println("save action");
}
};
item = mFile.add(actionSave);
mFile.add(item);
mFile.addSeparator();
Action actionExit = new AbstractAction("Exit") {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
};
item = mFile.add(actionExit);
item.setMnemonic('x');
menuBar.add(mFile);
toolBar = new JToolBar();
JButton btn1 = toolBar.add(actionNew);
btn1.setToolTipText("New text");
JButton btn2 = toolBar.add(actionOpen);
btn2.setToolTipText("Open text file");
JButton btn3 = toolBar.add(actionSave);
btn3.setToolTipText("Save text file");
ActionListener fontListener = new ActionListener() {
public void actionPerformed(ActionEvent e) {
updateMonitor();
}
};
JMenu mFont = new JMenu("Font");
mFont.setMnemonic('o');
ButtonGroup group = new ButtonGroup();
fontMenus = new JMenuItem[FontNames.length];
for (int k = 0; k < FontNames.length; k++) {
int m = k + 1;
fontMenus[k] = new JRadioButtonMenuItem(m + " " + FontNames[k]);
boolean selected = (k == 0);
fontMenus[k].setSelected(selected);
fontMenus[k].setMnemonic('1' + k);
fontMenus[k].setFont(fonts[k]);
fontMenus[k].addActionListener(fontListener);
group.add(fontMenus[k]);
mFont.add(fontMenus[k]);
}
mFont.addSeparator();
boldMenu.setMnemonic('b');
Font fn = fonts[1].deriveFont(Font.BOLD);
boldMenu.setFont(fn);
boldMenu.setSelected(false);
boldMenu.addActionListener(fontListener);
mFont.add(boldMenu);
italicMenu.setMnemonic('i');
fn = fonts[1].deriveFont(Font.ITALIC);
italicMenu.setFont(fn);
italicMenu.setSelected(false);
italicMenu.addActionListener(fontListener);
mFont.add(italicMenu);
menuBar.add(mFont);
getContentPane().add(toolBar, BorderLayout.NORTH);
return menuBar;
}
protected void updateMonitor() {
int index = -1;
for (int k = 0; k < fontMenus.length; k++) {
if (fontMenus[k].isSelected()) {
index = k;
break;
}
}
if (index == -1)
return;
if (index == 2) // Courier
{
boldMenu.setSelected(false);
boldMenu.setEnabled(false);
italicMenu.setSelected(false);
italicMenu.setEnabled(false);
} else {
boldMenu.setEnabled(true);
italicMenu.setEnabled(true);
}
int style = Font.PLAIN;
if (boldMenu.isSelected())
style |= Font.BOLD;
if (italicMenu.isSelected())
style |= Font.ITALIC;
Font fn = fonts[index].deriveFont(style);
}
public static void main(String argv[]) {
new ToolbarDemo();
}
}
Related examples in the same category
