test.java

《Java2图形设计卷II：Swing》配套光盘源码

import java.io.File;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Test extends JFrame {
	private JFileChooser chooser = new JFileChooser();
	private JTextPane textPane = new JTextPane();

	public Test() {
		Container contentPane = getContentPane();
		JMenuBar menuBar = new JMenuBar();
		JMenu insertMenu = new JMenu("Insert");
		JMenuItem imageItem = new JMenuItem("image"),
				  chooserItem = new JMenuItem("color chooser");

		insertMenu.add(imageItem);
		insertMenu.add(chooserItem);

		menuBar.add(insertMenu);
		setJMenuBar(menuBar);

		textPane.setFont(new Font("Serif", Font.ITALIC, 24));

		contentPane.add(textPane, BorderLayout.CENTER);

		chooserItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				JColorChooser chooser = new JColorChooser();
				chooser.setMaximumSize(
									chooser.getPreferredSize());
				textPane.insertComponent(chooser);
			}
		});
		imageItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				int option = 
					chooser.showDialog(Test.this,"Pick An Image");

				if(option == JFileChooser.APPROVE_OPTION) {
					File file = chooser.getSelectedFile();

					if(file != null) {
						textPane.insertIcon(new ImageIcon(
												file.getPath()));
					}

				}
			}
		});
	}
	public static void main(String args[]) {
		GJApp.launch(new Test(), 
			"Using JTextPane",300,300,450,300);
	}
}
class GJApp extends WindowAdapter {
	static private JPanel statusArea = new JPanel();
	static private JLabel status = new JLabel(" ");

	public static void launch(final JFrame f, String title,
							  final int x, final int y, 
							  final int w, int h) {
		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);

		f.addWindowListener(new WindowAdapter() {
			public void windowClosed(WindowEvent e) {
				System.exit(0);
			}
		});
	}
	static public JPanel getStatusArea() {
		return statusArea;
	}
	static public void updateStatus(String s) {
		status.setText(s);
	}
}