private void updateGroupSumView(int groupId) {
// if remain mode is not selected, view of group sum is never changed
if (remainMode.isSelected()) {
Group group = board.getGroup(groupId);
boardView.updateGroupSum(group, true);
}
}
private void updateEntireView() {
// upadte board view entirely
boardView.update(board, remainMode.isSelected());
// redraw combination view
Group group = board.getGroup(board.getCurrentCell().getGroupId());
combinationView.update(group);
}
private void moveFocusTo(int row, int col) {
// update combination list if new group is selected
Cell cell = board.getCell(row, col);
int groupId = cell.getGroupId();
if (groupId != board.getCurrentCell().getGroupId()) {
combinationView.update(board.getGroup(groupId));
}
// don't update current cell before checking group ID changed
board.setCurrentCell(row, col);
boardView.focusOn(row, col);
}