An example of JToolBar
/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly
*/
// ToolBarExample.java
// An example of JToolBar. The actions used to build the toolbar are also
// placed in a JMenu to further demonstrate the flexibility of the Action
// class. (See the examples in Chapter 3 for more details on Action.)
//
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractAction;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JTextPane;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.border.BevelBorder;
public class ToolBarExample extends JPanel {
public JTextPane pane;
public JMenuBar menuBar;
public JToolBar toolBar;
String fonts[] = { "Serif", "SansSerif", "Monospaced", "Dialog",
"DialogInput" };
public ToolBarExample() {
menuBar = new JMenuBar();
// Create a set of actions to use in both the menu and toolbar
DemoAction leftJustifyAction = new DemoAction("Left", new ImageIcon(
"1.gif"), "Left justify text", 'L');
DemoAction rightJustifyAction = new DemoAction("Right", new ImageIcon(
"2.gif"), "Right justify text", 'R');
DemoAction centerJustifyAction = new DemoAction("Center",
new ImageIcon("3.gif"), "Center justify text", 'M');
DemoAction fullJustifyAction = new DemoAction("Full", new ImageIcon(
"4.gif"), "Full justify text", 'F');
JMenu formatMenu = new JMenu("Justify");
formatMenu.add(leftJustifyAction);
formatMenu.add(rightJustifyAction);
formatMenu.add(centerJustifyAction);
formatMenu.add(fullJustifyAction);
menuBar.add(formatMenu);
toolBar = new JToolBar("Formatting");
toolBar.add(leftJustifyAction);
toolBar.add(rightJustifyAction);
toolBar.add(centerJustifyAction);
toolBar.add(fullJustifyAction);
toolBar.addSeparator();
JLabel label = new JLabel("Font");
toolBar.add(label);
toolBar.addSeparator();
JComboBox combo = new JComboBox(fonts);
combo.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
pane.getStyledDocument().insertString(
0,
"Font ["
+ ((JComboBox) e.getSource())
.getSelectedItem() + "] chosen!\n",
null);
} catch (Exception ex) {
ex.printStackTrace();
}
}
});
toolBar.add(combo);
// Disable one of the Actions
fullJustifyAction.setEnabled(false);
}
public static void main(String s[]) {
ToolBarExample example = new ToolBarExample();
example.pane = new JTextPane();
example.pane.setPreferredSize(new Dimension(250, 250));
example.pane.setBorder(new BevelBorder(BevelBorder.LOWERED));
example.toolBar.setMaximumSize(example.toolBar.getSize());
JFrame frame = new JFrame("Menu Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setJMenuBar(example.menuBar);
frame.getContentPane().add(example.toolBar, BorderLayout.NORTH);
frame.getContentPane().add(example.pane, BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
}
class DemoAction extends AbstractAction {
public DemoAction(String text, Icon icon, String description,
char accelerator) {
super(text, icon);
putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(accelerator,
Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));
putValue(SHORT_DESCRIPTION, description);
}
public void actionPerformed(ActionEvent e) {
try {
pane.getStyledDocument().insertString(0,
"Action [" + getValue(NAME) + "] performed!\n", null);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
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