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);
}
public GameController() {
logger.debug("Instantiating model");
board = new Board();
logger.debug("Instantiating views");
boardView = new BoardView(Block.COUNT);
// instantiate click event handler only one time to save instantiation time
EventHandler<MouseEvent> onCellViewClicked =
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
boardView.requestFocus();
CellView cellView = (CellView) event.getSource();
moveFocusTo(cellView.row, cellView.col);
}
};
// apply click event handler to all cells
board.forEach(cell -> boardView.getCellView(cell).setOnMouseClicked(onCellViewClicked));
// apply key press handler to the board (not each individual cell)
boardView.setOnKeyPressed(this);
// instantiate timer
timer = new TimerWidget();
// init check box for toggling hint mode
hintMode = new CheckBox("Pencil (SHIFT)");
hintMode.setFocusTraversable(false);
autoMode = new CheckBox("Automation");
autoMode.setFocusTraversable(false);
autoMode.setSelected(true);
remainMode = new CheckBox("Show remaining sum");
remainMode.setFocusTraversable(false);
remainMode.setSelected(true);
// listener for hint mode and remain mode
hintMode
.selectedProperty()
.addListener(
new ChangeListener<Boolean>() {
@Override
public void changed(
ObservableValue<? extends Boolean> observable,
Boolean oldValue,
Boolean newValue) {
if (newValue) {
boardView.setHintsCursor();
} else {
boardView.setValueCursor();
}
}
});
remainMode
.selectedProperty()
.addListener(
new ChangeListener<Boolean>() {
@Override
public void changed(
ObservableValue<? extends Boolean> observable,
Boolean oldValue,
Boolean newValue) {
toggleGroupSumMode(newValue);
}
});
VBox controlBox = new VBox(hintMode, autoMode, remainMode);
controlBox.setPadding(new Insets(0, 10, 0, 50));
controlBox.setSpacing(4);
// init combination list view
combinationView = new CombinationView();
// init combinator view
combinator = new CombinatorWidget();
// organize all components in grid style
view = new GridPane();
view.setBackground(BackgroundFactory.create(Color.rgb(200, 230, 200)));
view.add(boardView, 0, 0);
controlPanel = new VBox(timer, controlBox, combinationView, combinator);
controlPanel.setAlignment(Pos.TOP_CENTER);
view.add(controlPanel, 1, 0);
}