public void actionPerformed(ActionEvent e) {
try {
undo.redo();
} catch (CannotRedoException ex) {
Logger.getLogger(RedoAction.class.getName()).log(Level.SEVERE, "Unable to redo", ex);
}
update();
undoAction.update();
}
@Override
@SuppressWarnings("SleepWhileHoldingLock")
public void run() {
try {
// initialize the statusbar
status.removeAll();
JProgressBar progress = new JProgressBar();
progress.setMinimum(0);
progress.setMaximum(doc.getLength());
status.add(progress);
status.revalidate();
// start writing
Writer out = new FileWriter(f);
Segment text = new Segment();
text.setPartialReturn(true);
int charsLeft = doc.getLength();
int offset = 0;
while (charsLeft > 0) {
doc.getText(offset, Math.min(4096, charsLeft), text);
out.write(text.array, text.offset, text.count);
charsLeft -= text.count;
offset += text.count;
progress.setValue(offset);
try {
Thread.sleep(10);
} catch (InterruptedException e) {
Logger.getLogger(FileSaver.class.getName()).log(Level.SEVERE, null, e);
}
}
out.flush();
out.close();
} catch (IOException e) {
final String msg = e.getMessage();
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
JOptionPane.showMessageDialog(
getFrame(),
"Could not save file: " + msg,
"Error saving file",
JOptionPane.ERROR_MESSAGE);
}
});
} catch (BadLocationException e) {
System.err.println(e.getMessage());
}
// we are done... get rid of progressbar
status.removeAll();
status.revalidate();
}