private void removeCellValue(int row, int col) {
Cell cell = board.getCell(row, col);
// not allow to clear cell when it is locked
if (cell.isLocked() || cell.isEmpty()) {
return;
}
Step step = board.removeCellValue(row, col);
boardView.updateCellView(cell);
// update other cells which is affected by this cell
for (CellSnapshot snapshot : step.snapshots) {
Cell affectedCell = board.getCell(snapshot.row, snapshot.col);
if (affectedCell.isLocked()) {
continue;
}
boardView.getCellView(affectedCell).becomeValid();
}
steps.push(step);
// current sum of group is changed
updateGroupSumView(cell.getGroupId());
}
private void toggleCellHint(int row, int col, int hint) {
Cell cell = board.getCell(row, col);
// not allow to toggle hint when cell is holding value
if (cell.isEmpty() == false) {
return;
}
boolean isAdding = !board.getCell(row, col).getHints().contains(hint);
Step step = isAdding ? board.addCellHint(row, col, hint) : board.subCellHint(row, col, hint);
steps.push(step);
boardView.getCellView(row, col).toggleHint(hint, isAdding);
}
private void auto() {
Step step = null;
try {
step = board.auto();
} catch (Exception e) {
logger.error("Exception in auto?", e);
AlertFactory.createError(e).showAndWait();
}
// didn't solve anything, don't remember this step
if (step == null) {
return;
}
steps.push(step);
Set<Integer> groupIds = new HashSet<Integer>();
for (CellSnapshot snapshot : step.snapshots) {
Cell affectedCell = board.getCell(snapshot.row, snapshot.col);
if (snapshot.isMain()) {
groupIds.add(affectedCell.getGroupId());
}
boardView.updateCellView(affectedCell);
}
for (int groupId : groupIds) {
updateGroupSumView(groupId);
}
// after auto, game might be solved
checkGameIsSolved();
}
private void removeCellHints(int row, int col) {
Cell cell = board.getCell(row, col);
// if cell doesn't any hint, don't have to clear it
if (cell.getHints().isEmpty()) {
return;
}
Step step = board.removeCellHints(row, col);
steps.push(step);
boardView.updateCellView(cell);
}
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);
}
private void updateCellValue(int row, int col, int value) {
Cell cell = board.getCell(row, col);
// not allows to update cell value when cell is locked, or the new value is not changed
if (cell.isLocked() || cell.getValue() == value) {
return;
}
Step step = board.updateCellValue(row, col, value, autoMode.isSelected());
boardView.updateCellView(cell);
for (CellSnapshot snapshot : step.snapshots) {
Cell affectedCell = board.getCell(snapshot.row, snapshot.col);
boardView.updateCellView(affectedCell);
}
steps.push(step);
// current sum of group is changed
updateGroupSumView(cell.getGroupId());
// check if game is solved
checkGameIsSolved();
}
private void undo() {
if (steps.isEmpty()) {
logger.warn("There is nothing to undo.");
return;
}
Step step = steps.pop();
Set<Integer> groupIds = board.undo(step);
// update all affected group sum view
for (int groupId : groupIds) {
updateGroupSumView(groupId);
}
// update all cell view
for (CellSnapshot snapshot : step.snapshots) {
Cell cell = board.getCell(snapshot.row, snapshot.col);
boardView.updateCellView(cell);
}
}