@Override
protected void perform(org.lgna.croquet.history.CompletionStep<?> step) {
org.lgna.croquet.undo.UndoHistory historyManager =
this.documentFrame.getDocument().getUndoHistory(org.lgna.croquet.Application.PROJECT_GROUP);
this.performInternal(historyManager);
step.finish();
}
@Override
protected void perform(org.lgna.croquet.history.CompletionStep<?> step) {
this.numberModel.negate();
step.finish();
}
@Override
protected void perform(org.lgna.croquet.history.CompletionStep<?> step) {
this.numberModel.replaceSelection(this.numeral);
step.finish();
}