setSkippedCells method
Sets how many positions are already used at the start of sheet
sheetIndex (0-based).
Implementation
void setSkippedCells(int sheetIndex, int value) {
final maxSkipped = (paper?.cellsPerPage ?? 1) - 1;
final skips = List<int>.of(sheetSkips);
while (skips.length <= sheetIndex) {
skips.add(0);
}
skips[sheetIndex] = value.clamp(0, maxSkipped);
_skippedPerSheet = skips;
notifyListeners();
}