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/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski
ISBN: 1-893115-78-X
Publisher: APress
*/
import java.awt.Container;
import java.awt.Frame;
import java.io.IOException;
import java.net.URL;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.text.Document;
public class EditorPaneSample {
public static void main(String args[]) throws IOException {
JFrame frame = new JFrame("EditorPane Example");
Container content = frame.getContentPane();
JEditorPane editorPane = new JEditorPane("http://www.apress.com");
editorPane.setEditable(false);
HyperlinkListener hyperlinkListener = new ActivatedHyperlinkListener(
frame, editorPane);
editorPane.addHyperlinkListener(hyperlinkListener);
JScrollPane scrollPane = new JScrollPane(editorPane);
content.add(scrollPane);
frame.setSize(640, 480);
frame.setVisible(true);
}
}
class ActivatedHyperlinkListener implements HyperlinkListener {
Frame frame;
JEditorPane editorPane;
public ActivatedHyperlinkListener(Frame frame, JEditorPane editorPane) {
this.frame = frame;
this.editorPane = editorPane;
}
public void hyperlinkUpdate(HyperlinkEvent hyperlinkEvent) {
HyperlinkEvent.EventType type = hyperlinkEvent.getEventType();
final URL url = hyperlinkEvent.getURL();
if (type == HyperlinkEvent.EventType.ENTERED) {
System.out.println("URL: " + url);
} else if (type == HyperlinkEvent.EventType.ACTIVATED) {
System.out.println("Activated");
Runnable runner = new Runnable() {
public void run() {
// Retain reference to original
Document doc = editorPane.getDocument();
try {
editorPane.setPage(url);
} catch (IOException ioException) {
JOptionPane.showMessageDialog(frame,
"Error following link", "Invalid link",
JOptionPane.ERROR_MESSAGE);
editorPane.setDocument(doc);
}
}
};
SwingUtilities.invokeLater(runner);
}
}
}
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