public void modifyCell() {
GridCell selectedCell = this.kenKenGrid.mSelectedCell;
if (!this.kenKenGrid.mActive) return;
if (selectedCell == null) return;
if (modes[ERASER].isSelected()) {
selectedCell.setSelectedCellColor(modeColours[ERASER]); // green
if (selectedCell.isUserValueSet() || selectedCell.mPossibles.size() > 0) {
saveUndo(selectedCell, false);
selectedCell.clearUserValue();
}
} else {
if (modes[INPUT].isSelected() && lastnum != 0) enterNumber(lastnum);
if (modes[PEN].isSelected()) {
selectedCell.setSelectedCellColor(modeColours[PEN]);
if (selectedCell.mPossibles.size() == 1) {
saveUndo(selectedCell, false);
selectedCell.setUserValue(selectedCell.mPossibles.get(0));
if (rmpencil) removePossibles(selectedCell);
}
} else {
selectedCell.setSelectedCellColor(modeColours[PENCIL]);
if (selectedCell.isUserValueSet()) {
saveUndo(selectedCell, false);
selectedCell.toggleUserValue();
}
}
}
this.kenKenGrid.requestFocus();
this.kenKenGrid.invalidate();
}
/**
* ************************* Helper functions to modify KenKen grid cells
* *************************
*/
public void enterNumber(int number) {
GridCell selectedCell = this.kenKenGrid.mSelectedCell;
if (!this.kenKenGrid.mActive) return;
if (selectedCell == null) return;
saveUndo(selectedCell, false);
if (modes[PEN].isSelected()) {
selectedCell.setUserValue(number);
if (rmpencil) removePossibles(selectedCell);
} else {
if (selectedCell.isUserValueSet()) selectedCell.clearUserValue();
selectedCell.togglePossible(number);
}
this.kenKenGrid.requestFocus();
this.kenKenGrid.invalidate();
}
