Mega Code Archive
JToolBar
<![CDATA[
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.plaf.metal.MetalIconFactory;
public class MainClass {
public static void main(String[] a) {
final int STRING_POSITION = 1;
Object buttonColors[][] = { { Color.RED, "RED" }, { Color.BLUE, "BLUE" },
{ Color.GREEN, "GREEN" }, { Color.BLACK, "BLACK" }, null, // separator
{ Color.CYAN, "CYAN" } };
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ActionListener actionListener = new TheActionListener();
JToolBar toolbar = new JToolBar();
toolbar.setRollover(true);
for (Object[] color : buttonColors) {
if (color == null) {
toolbar.addSeparator();
} else {
Icon icon = MetalIconFactory.getTreeComputerIcon();
JButton button = new JButton(icon);
button.setActionCommand((String) color[STRING_POSITION]);
button.addActionListener(actionListener);
toolbar.add(button);
}
}
Action action = new ShowAction(toolbar);
JButton button = new JButton(action);
toolbar.add(button);
Container contentPane = frame.getContentPane();
contentPane.add(toolbar, BorderLayout.NORTH);
JTextArea textArea = new JTextArea();
JScrollPane pane = new JScrollPane(textArea);
contentPane.add(pane, BorderLayout.CENTER);
frame.setSize(350, 150);
frame.setVisible(true);
}
public static class TheActionListener implements ActionListener {
public void actionPerformed(ActionEvent actionEvent) {
System.out.println(actionEvent.getActionCommand());
}
};
}
class ShowAction extends AbstractAction {
Component parentComponent;
public ShowAction(Component parentComponent) {
super("About");
putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
putValue(Action.SMALL_ICON, MetalIconFactory.getFileChooserHomeFolderIcon());
this.parentComponent = parentComponent;
}
public void actionPerformed(ActionEvent actionEvent) {
JOptionPane.showMessageDialog(parentComponent, "About Swing",
"About Box V2.0", JOptionPane.INFORMATION_MESSAGE);
}
}
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