public virtual void NotifyItemRangeRemoved(IItemSource source, int startIndex, int count)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemRangeRemoved(source, startIndex, count);
}
}
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);
}
public virtual void NotifyItemInserted(IItemSource source, int startIndex)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemInserted(source, startIndex);
}
}
public virtual void NotifyItemRangeMoved(IItemSource source, int fromPosition, int toPosition, int count)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemRangeMoved(source, fromPosition, toPosition, count);
}
}
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);
}
public virtual void NotifyItemRangeChanged(IItemSource source, int startRange, int endRange)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemRangeChanged(source, startRange, endRange);
}
}
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);
}
public void NotifyItemRemoved(IItemSource source, int startIndex)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemRemoved(source, startIndex);
}
}
public void NotifyItemRangeChanged(IItemSource source, int start, int end)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemRangeChanged(source, start, end);
}
}
public void NotifyItemMoved(IItemSource source, int fromPosition, int toPosition)
{
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyItemMoved(source, fromPosition, toPosition);
}
}
/// <inheritdoc/>
/// <since_tizen> 9 </since_tizen>
public override void OnRelayout(Vector2 size, RelayoutContainer container)
{
//Console.WriteLine("[NUI] On ReLayout [{0} {0}]", size.X, size.Y);
base.OnRelayout(size, container);
if (InternalItemsLayouter != null && ItemsSource != null && ItemTemplate != null)
{
InternalItemsLayouter.Initialize(this);
InternalItemsLayouter.RequestLayout(ScrollingDirection == Direction.Horizontal ? ContentContainer.CurrentPosition.X : ContentContainer.CurrentPosition.Y, true);
}
}
/// <summary>
/// On scroll event callback.
/// </summary>
/// <since_tizen> 9 </since_tizen>
protected virtual void OnScrolling(object source, ScrollEventArgs args)
{
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
if (!disposed && InternalItemsLayouter != null && ItemsSource != null && ItemTemplate != null)
{
//Console.WriteLine("[NUI] On Scrolling! {0} => {1}", ScrollPosition.Y, args.Position.Y);
InternalItemsLayouter.RequestLayout(ScrollingDirection == Direction.Horizontal ? args.Position.X : args.Position.Y);
}
}
public virtual void NotifyDataSetChanged()
{
//Need to update view.
if (InternalItemsLayouter != null)
{
InternalItemsLayouter.NotifyDataSetChanged();
if (ScrollingDirection == Direction.Horizontal)
{
ContentContainer.SizeWidth =
InternalItemsLayouter.CalculateLayoutOrientationSize();
}
else
{
ContentContainer.SizeHeight =
InternalItemsLayouter.CalculateLayoutOrientationSize();
}
}
}
protected override float AdjustTargetPositionOfScrollAnimation(float position)
{
// Destination is depending on implementation of layout manager.
// Get destination from layout manager.
return(InternalItemsLayouter.CalculateCandidateScrollPosition(position));
}
