public void DeepCopy(IDeepCopyable source, ICopyManager copyManager)
{
ListViewItemGenerator icg = (ListViewItemGenerator) source;
_itemTemplate = copyManager.GetCopy(icg._itemTemplate);
_itemContainerStyle = copyManager.GetCopy(icg._itemContainerStyle);
_parent = copyManager.GetCopy(icg._parent);
if (icg._items == null)
_items = null;
else
{
_items = new List<object>(icg._items.Count);
foreach (object item in icg._items)
_items.Add(copyManager.GetCopy(item));
}
_populatedStartIndex = icg._populatedStartIndex;
_populatedEndIndex = icg._populatedEndIndex;
if (icg._materializedItems == null)
_materializedItems = null;
else
{
_materializedItems = new List<FrameworkElement>(icg._materializedItems.Count);
foreach (FrameworkElement item in icg._materializedItems)
_materializedItems.Add(copyManager.GetCopy(item));
}
}
protected IList<FrameworkElement> _materializedItems = null; // Same size as _items, only parts are populated
public void Dispose()
{
DisposeItems();
MPF.TryCleanupAndDispose(_itemTemplate);
_itemTemplate = null;
MPF.TryCleanupAndDispose(_itemContainerStyle);
_itemContainerStyle = null;
}
public void Initialize(FrameworkElement parent, IEnumerable<object> itemsSource, Style itemContainerStyle, DataTemplate itemTemplate)
{
_parent = parent;
if (_materializedItems != null)
DisposeItems();
_items = new List<object>(itemsSource);
_materializedItems = new List<FrameworkElement>(_items.Count);
for (int i = 0; i < _items.Count; i++)
_materializedItems.Add(null);
MPF.TryCleanupAndDispose(_itemContainerStyle);
MPF.TryCleanupAndDispose(_itemTemplate);
// No need to set the LogicalParent at styles or data templates because they don't bind bindings
_itemContainerStyle = MpfCopyManager.DeepCopyCutLVPs(itemContainerStyle);
_itemTemplate = MpfCopyManager.DeepCopyCutLVPs(itemTemplate);
}