protected override void OnItemSelected(CollectionItemVM item)
{
var oldIndex = Items.IndexOf(item);
var dataSource = new ObservableCollection <CollectionItemVM>(Items);
var lastSelectedItem = Items.LastOrDefault(x => x.Selected);
var newIndex = lastSelectedItem == null ? 0 : Items.IndexOf(lastSelectedItem) + 1;
item.Selected = !item.Selected;
Items.Move(oldIndex, newIndex);
Task.Run(BuildSelectedValue);
}
protected override void OnItemSelected(CollectionItemVM item)
{
item.Selected = !item.Selected;
Task.Run(BuildSelectedValue);
}
protected abstract void OnItemSelected(CollectionItemVM item);
