/// <summary>
/// Select an item from the list
/// </summary>
private void SelectItem(object param)
{
// Cast the parameter
var newSelectedItemIndex = int.Parse(param.ToString());
// If the same item got selected there is no more to do
if (mCurrentlySelectedItemIndex == newSelectedItemIndex)
{
return;
}
SelectionChanges.Invoke();
LastClickedItemIndex = newSelectedItemIndex;
ItemSelected.Invoke(newSelectedItemIndex);
if (!CanChangeSelection)
{
return;
}
// Unselect last item if there was any selected
if (mCurrentlySelectedItemIndex != NothingSelected)
{
Items[mCurrentlySelectedItemIndex].IsSelected = false;
}
// Select the one that has been clicked
Items[newSelectedItemIndex].IsSelected = true;
// Save new selected item index
mCurrentlySelectedItemIndex = newSelectedItemIndex;
}
/// <summary>
/// Unchecks all selected items
/// </summary>
public void UnCheckAll()
{
if (mCurrentlySelectedItemIndex != NothingSelected)
{
Items[mCurrentlySelectedItemIndex].IsSelected = false;
SelectionChanges.Invoke();
}
mCurrentlySelectedItemIndex = NothingSelected;
CanChangeSelection = true;
}