《Java2图形设计卷II：Swing》配套光盘源码

				import java.awt.*;
				import java.awt.event.*;
				import javax.swing.*;
				import javax.swing.event.*;
				import javax.swing.text.*;
				import java.util.*;
				
				public class Test extends JFrame {
					private JTextArea textArea = createTextArea();
					private Action[] actions = textArea.getActions();
				
					private JList actionList = createActionList(actions);
					private JSplitPane splitPane = new JSplitPane(
												JSplitPane.HORIZONTAL_SPLIT, 
												new JScrollPane(textArea),
												new JScrollPane(actionList));
					public Test() {
						Container contentPane = getContentPane();
				
						splitPane.setDividerLocation(150);
				
						contentPane.add(splitPane, BorderLayout.CENTER);
						contentPane.add(GJApp.getStatusArea(), 
										BorderLayout.SOUTH);
				
					}
					private JList createActionList(Action[] actions) {
						DefaultListModel model = new DefaultListModel();
						final JList list = new JList(model);
				
						list.setSelectionMode(
											ListSelectionModel.SINGLE_SELECTION);
				
						for(int i=0; i < actions.length; ++i) {
							model.addElement(actions[i]);
						}
				
						list.setCellRenderer(new DefaultListCellRenderer() {
							public Component getListCellRendererComponent(
													JList list, Object value,
													int index, boolean isSelected,
													boolean cellHasFocus) {
								super.getListCellRendererComponent(list, value,
									index, isSelected, cellHasFocus);
				
								Action action = (Action)value;
								setText((String)action.getValue(Action.NAME));
				
								return this;
							}
						});
						list.addListSelectionListener(new ListSelectionListener(){
							public void valueChanged(ListSelectionEvent e) {
								if(!e.getValueIsAdjusting()) {
									Action source = 
									   (Action)actionList.getSelectedValue();
				
									textArea.requestFocus();
									source.actionPerformed(null);
				
									GJApp.showStatus("Action: " + 
											(String)source.getValue(Action.NAME));
								}
							}
						});
				
						return list;
					}
					private JTextArea createTextArea() {
						JTextArea textArea = new JTextArea(
							  "line one\nline two\nline three\nline four");
				
						textArea.setFont(new Font("Dialog", Font.ITALIC, 24));
						textArea.getCaret().setBlinkRate(0);
						return textArea;
					}
					public static void main(String args[]) {
						GJApp.launch(new Test(), 
									"Text Component Actions",300,300,450,300);
					}
				}
				class GJApp extends WindowAdapter {
					static private JPanel statusArea = new JPanel();
					static private JLabel status = new JLabel(" ");
					static private ResourceBundle resources;
				
					public static void launch(final JFrame f, String title,
											  final int x, final int y, 
											  final int w, int h) {
						launch(f,title,x,y,w,h,null);	
					}
					public static void launch(final JFrame f, String title,
											  final int x, final int y, 
											  final int w, int h,
											  String propertiesFilename) {
						f.setTitle(title);
						f.setBounds(x,y,w,h);
						f.setVisible(true);
				
						statusArea.setBorder(BorderFactory.createEtchedBorder());
						statusArea.setLayout(new FlowLayout(FlowLayout.LEFT,0,0));
						statusArea.add(status);
						status.setHorizontalAlignment(JLabel.LEFT);
				
						f.setDefaultCloseOperation(
											WindowConstants.DISPOSE_ON_CLOSE);
				
						if(propertiesFilename != null) {
							resources = ResourceBundle.getBundle(
										propertiesFilename, Locale.getDefault());
						}
				
						f.addWindowListener(new WindowAdapter() {
							public void windowClosed(WindowEvent e) {
								System.exit(0);
							}
						});
					}
					static public JPanel getStatusArea() {
						return statusArea;
					}
					static public void showStatus(String s) {
						status.setText(s);
					}
					static Object getResource(String key) {
						if(resources != null) {
							return resources.getString(key);
						}
						return null;
					}
				}