private static void UnregisterIfPossible(IList ientry, MultiSelector icontainer = null)
{
INotifyCollectionChanged inc = ientry as INotifyCollectionChanged;
if (inc != null)
{
inc.CollectionChanged -= inc_CollectionChanged;
if (icontainer != null)
_Mapped.Remove(inc);
}
}
private static void RegisterIfPossible(IList ientry, MultiSelector icontainer = null)
{
INotifyCollectionChanged inc = ientry as INotifyCollectionChanged;
if (inc != null)
{
inc.CollectionChanged += inc_CollectionChanged;
if (icontainer != null)
_Mapped.Add(inc, icontainer);
}
}
protected override void OnAttached()
{
base.OnAttached();
multiSelector = AssociatedObject as MultiSelector;
if (multiSelector == null)
{
throw new InvalidOperationException();
}
multiSelector.ItemContainerGenerator.StatusChanged += ItemContainerGeneratorOnStatusChanged;
}
private void Edit(MultiSelector tempGrid)
{
if (tempGrid.SelectedItems != null && tempGrid.SelectedItems.Count == 1)
{
var item = tempGrid.SelectedItem as UserCard;
if (item != null)
{
// var packDialog = new CardViewTable(item.Id);
// packDialog.Closed += (s, j) => Refresh();
// packDialog.ShowDialog();
}
}
}
private void Edit(MultiSelector tempGrid)
{
if (tempGrid.SelectedItems != null && tempGrid.SelectedItems.Count == 1)
{
var item = tempGrid.SelectedItem as UserCard;
if (item != null)
{
var packDialog = new AddEditCard(item);
packDialog.Closed += (s, j) => Refresh();
packDialog.ShowDialog();
}
}
}
private static void UpdateSelectedItems(MultiSelector grid)
{
var list = GetSelectedItems(grid);
var i = 0;
for (; i < grid.SelectedItems.Count; i++)
{
var gridItem = grid.SelectedItems[i];
while (list.Count > i && !AreEqual(gridItem, list[i]))
{
list.RemoveAt(i);
}
if (list.Count <= i || !AreEqual(gridItem, list[i]))
list.Insert(i, gridItem);
}
while (list.Count > i)
{
list.RemoveAt(i);
}
}
private static void Compute_CollectionChanged(MultiSelector lb, IList l, NotifyCollectionChangedEventArgs e)
{
if (l == null)
return;
if (e.Action == NotifyCollectionChangedAction.Reset)
{
lb.SelectedItems.Clear();
InitCollection(l, lb);
return;
}
if (e.NewItems != null)
{
e.NewItems.Cast<object>().Apply(o => lb.SelectedItems.Add(o));
}
if (e.OldItems != null)
{
e.OldItems.Cast<object>().Apply(o => lb.SelectedItems.Remove(o));
}
}
private static void InitCollection(IList ilis, MultiSelector lb)
{
ilis.Cast<object>().Apply(o => lb.SelectedItems.Add(o));
}
public MultiSelectorAdapter(MultiSelector multiSelector)
{
this.multiSelector = multiSelector;
}