isItemSelected<T> method

bool isItemSelected<T>(
  1. T item,
  2. String getId(
    1. T
    )
)

判断项目是否选中

Implementation

bool isItemSelected<T>(T item, String Function(T) getId) {
  final inherited =
      dependOnInheritedWidgetOfExactType<ListSelectInherited<T>>();
  if (inherited == null) return false;
  return inherited.state.isItemSelectedByItem(item, getId);
}