selectAll method

void selectAll(
  1. int itemCount
)

Selects every index in 0..itemCount-1.

Implementation

void selectAll(int itemCount) {
  if (itemCount <= 0) {
    return;
  }
  var changed = false;
  for (var i = 0; i < itemCount; i++) {
    changed = _selected.add(i) || changed;
  }
  if (changed) {
    notifyListeners();
  }
}