public void redoAction() {
try {
if (undoMgr.canRedo()) {
redoAction.actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "Redo"));
setRedoItem();
} else {
java.awt.Toolkit.getDefaultToolkit().beep();
}
} catch (CannotUndoException ex) {
ex.printStackTrace();
}
}
public void selectLine() {
Action selectLine = getAction(DefaultEditorKit.selectLineAction);
if (selectLine != null) {
selectLine.actionPerformed(null);
}
}