UseActions: Menu
/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski
ISBN: 1-893115-78-X
Publisher: APress
*/
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import javax.swing.Action;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTextArea;
import javax.swing.text.DefaultEditorKit;
public class UseActions {
public static void main(String args[]) {
JFrame frame = new JFrame("Use TextAction");
Container contentPane = frame.getContentPane();
Dimension empty = new Dimension(0, 0);
final JTextArea leftArea = new JTextArea();
JScrollPane leftScrollPane = new JScrollPane(leftArea);
leftScrollPane.setPreferredSize(empty);
final JTextArea rightArea = new JTextArea();
JScrollPane rightScrollPane = new JScrollPane(rightArea);
rightScrollPane.setPreferredSize(empty);
JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,
leftScrollPane, rightScrollPane);
JMenuBar menuBar = new JMenuBar();
frame.setJMenuBar(menuBar);
JMenu menu = new JMenu("Options");
menuBar.add(menu);
JMenuItem menuItem;
Action readAction = leftArea.getActionMap().get(
DefaultEditorKit.readOnlyAction);
menuItem = menu.add(readAction);
menuItem.setText("Make read-only");
Action writeAction = leftArea.getActionMap().get(
DefaultEditorKit.writableAction);
menuItem = menu.add(writeAction);
menuItem.setText("Make writable");
menu.addSeparator();
Action cutAction = leftArea.getActionMap().get(
DefaultEditorKit.cutAction);
menuItem = menu.add(cutAction);
menuItem.setText("Cut");
Action copyAction = leftArea.getActionMap().get(
DefaultEditorKit.copyAction);
menuItem = menu.add(copyAction);
menuItem.setText("Copy");
Action pasteAction = leftArea.getActionMap().get(
DefaultEditorKit.pasteAction);
menuItem = menu.add(pasteAction);
menuItem.setText("Paste");
contentPane.add(splitPane, BorderLayout.CENTER);
frame.setSize(400, 250);
frame.setVisible(true);
splitPane.setDividerLocation(.5);
}
}
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