|
import javax.swing.JTextPane;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
public class Main {
public static void main(String[] argv) throws Exception {
JTextComponent textcomp = new JTextPane();
textcomp.setText("Initial Text");
textcomp.getDocument().addDocumentListener(new DocumentListener() {
public void insertUpdate(DocumentEvent evt) {
int off = evt.getOffset();
System.out.println("off:"+off);
int len = evt.getLength();
System.out.println("len:"+len);
try {
String str = evt.getDocument().getText(off, len);
System.out.println(str);
} catch (BadLocationException e) {
}
}
public void removeUpdate(DocumentEvent evt) {
int off = evt.getOffset();
System.out.println("off:"+off);
int len = evt.getLength();
System.out.println("len:"+len);
}
public void changedUpdate(DocumentEvent evt) {
int off = evt.getOffset();
System.out.println("off:"+off);
int len = evt.getLength();
System.out.println("len:"+len);
}
});
}
}
|
