protected override void Dispose(DisposeTypes type)
{
if (disposed)
{
return;
}
if (type == DisposeTypes.Explicit)
{
// call the clear!
if (RecycleCache != null)
{
foreach (RecyclerViewItem item in RecycleCache)
{
UnrealizeItem(item, false);
}
RecycleCache.Clear();
}
InternalItemsLayouter.Clear();
InternalItemsLayouter = null;
ItemsSource = null;
ItemTemplate = null;
if (InternalItemSource != null)
{
InternalItemSource.Dispose();
InternalItemSource = null;
}
//
}
base.Dispose(type);
}
/// <summary>
/// Realize indexed item.
/// </summary>
/// <param name="index"> Index position of realizing item </param>
internal virtual RecyclerViewItem RealizeItem(int index)
{
object context = InternalItemSource.GetItem(index);
// Check DataTemplate is Same!
if (ItemTemplate is DataTemplateSelector)
{
// Need to implements for caching of selector!
}
else
{
// pop item
RecyclerViewItem item = PopRecycleCache(ItemTemplate);
if (item != null)
{
DecorateItem(item, index, context);
return(item);
}
}
object content = DataTemplateExtensions.CreateContent(ItemTemplate, context, (BindableObject)this) ?? throw new Exception("Template return null object.");
if (content is RecyclerViewItem)
{
RecyclerViewItem item = (RecyclerViewItem)content;
ContentContainer.Add(item);
DecorateItem(item, index, context);
return(item);
}
else
{
throw new Exception("Template content must be type of ViewItem");
}
}
protected override void Dispose(DisposeTypes type)
{
if (disposed)
{
return;
}
if (type == DisposeTypes.Explicit)
{
// call the clear!
if (RecycleCache != null)
{
ClearCache();
}
InternalItemsLayouter?.Clear();
InternalItemsLayouter = null;
ItemsSource = null;
ItemTemplate = null;
if (InternalItemSource != null)
{
InternalItemSource.Dispose();
InternalItemSource = null;
}
//
}
base.Dispose(type);
}
protected override void Dispose(DisposeTypes type)
{
if (disposed)
{
return;
}
if (type == DisposeTypes.Explicit)
{
disposed = true;
// call the clear!
if (RecycleCache != null)
{
foreach (RecyclerViewItem item in RecycleCache)
{
//ContentContainer.Remove(item);
Utility.Dispose(item);
}
RecycleCache.Clear();
}
InternalItemsLayouter.Clear();
InternalItemsLayouter = null;
ItemsSource = null;
ItemTemplate = null;
if (InternalItemSource != null)
{
InternalItemSource.Dispose();
}
//
}
base.Dispose(type);
}
private void OnWindowClosing(object sender, RoutedEventArgs e)
{
var window = sender as MdiWindow;
if (window?.DataContext != null)
{
InternalItemSource?.Remove(window.DataContext);
if (Items.Count > 0)
{
SelectedItem = Items[Items.Count - 1];
var windowNew = ItemContainerGenerator.ContainerFromItem(SelectedItem) as MdiWindow;
if (windowNew != null) windowNew.IsSelected = true;
}
// clear
window.FocusChanged -= OnWindowFocusChanged;
window.Closing -= OnWindowClosing;
window.WindowStateChanged -= OnWindowStateChanged;
window.DataContext = null;
Windows.Remove(window);
}
}
private void DecorateItem(RecyclerViewItem item, int index, object context)
{
item.Index = index;
item.ParentItemsView = this;
item.Template = (ItemTemplate as DataTemplateSelector)?.SelectDataTemplate(InternalItemSource.GetItem(index), this) ?? ItemTemplate;
item.BindingContext = context;
item.Relayout += OnItemRelayout;
}
