protected override void ClearItems()
{
try
{
_owningGrid.NoCurrentCellChangeCount++;
if (ItemsInternal.Count > 0)
{
if (_owningGrid.InDisplayIndexAdjustments)
{
// We are within columns display indexes adjustments. We do not allow changing the column collection while adjusting display indexes.
throw DataGridError.DataGrid.CannotChangeColumnCollectionWhileAdjustingDisplayIndexes();
}
_owningGrid.OnClearingColumns();
for (int columnIndex = 0; columnIndex < ItemsInternal.Count; columnIndex++)
{
// Detach the column...
ItemsInternal[columnIndex].OwningGrid = null;
}
ItemsInternal.Clear();
DisplayIndexMap.Clear();
AutogeneratedColumnCount = 0;
_owningGrid.OnColumnCollectionChanged_PreNotification(false /*columnsGrew*/);
base.ClearItems();
VisibleEdgedColumnsWidth = 0;
_owningGrid.OnColumnCollectionChanged_PostNotification(false /*columnsGrew*/);
}
}
finally
{
_owningGrid.NoCurrentCellChangeCount--;
}
}
/// <summary>
/// Clears this instance.
/// </summary>
public virtual void Clear()
{
for (var i = 0; i < Items.Count; ++i)
{
Items[i].Detach();
Items[i].Parent = null;
}
itemHashSet.Clear();
ItemsInternal.Clear();
}
/// <summary>
/// Clears this instance.
/// </summary>
public void Clear()
{
for (int i = 0; i < ItemsInternal.Count; ++i)
{
ItemsInternal[i].Detach();
ItemsInternal[i].Parent = null;
}
ItemsInternal.Clear();
itemHashSet.Clear();
Cleared?.Invoke(this, new OnChildNodeChangedArgs(null, Operation.Clear));
}
protected virtual void Sort(IList <SceneNode> nodes, RenderContext context)
{
sortingTransparentCache.Clear();
sortingOpaqueCache.Clear();
notSorted.Clear();
Vector3 cameraPosition = context.Camera.Position;
if (SortTransparentOnly)
{
for (int i = 0; i < nodes.Count; ++i)
{
if (nodes[i].RenderCore.RenderType == RenderType.Transparent)
{
sortingTransparentCache.Add(new SortStruct(GetDistance(nodes[i], ref cameraPosition), nodes[i]));
}
else
{
notSorted.Add(nodes[i]);
}
}
sortingTransparentCache.Sort(delegate(SortStruct a, SortStruct b) { return(a.Key > b.Key ? -1 : a.Key < b.Key ? 1 : 0); });
}
else
{
for (int i = 0; i < nodes.Count; ++i)
{
if (nodes[i].RenderCore.RenderType == RenderType.Transparent)
{
sortingTransparentCache.Add(new SortStruct(GetDistance(nodes[i], ref cameraPosition), nodes[i]));
}
else if (nodes[i].RenderCore.RenderType == RenderType.Opaque)
{
sortingOpaqueCache.Add(new SortStruct(GetDistance(nodes[i], ref cameraPosition), nodes[i]));
}
else
{
notSorted.Add(nodes[i]);
}
}
if (sortingTransparentCache.Count > 50 && sortingOpaqueCache.Count > 50)
{
Parallel.Invoke(() =>
{
sortingTransparentCache.Sort(delegate(SortStruct a, SortStruct b) { return(a.Key > b.Key ? -1 : a.Key < b.Key ? 1 : 0); });
}, () =>
{
sortingOpaqueCache.Sort(delegate(SortStruct a, SortStruct b) { return(a.Key > b.Key ? 1 : a.Key < b.Key ? -1 : 0); });
});
}
else
{
sortingTransparentCache.Sort(delegate(SortStruct a, SortStruct b) { return(a.Key > b.Key ? -1 : a.Key < b.Key ? 1 : 0); });
sortingOpaqueCache.Sort(delegate(SortStruct a, SortStruct b) { return(a.Key > b.Key ? 1 : a.Key < b.Key ? -1 : 0); });
}
}
ItemsInternal.Clear();
for (int i = 0; i < notSorted.Count; ++i)
{
ItemsInternal.Add(notSorted[i]);
}
for (int i = 0; i < sortingOpaqueCache.Count; ++i)
{
ItemsInternal.Add(sortingOpaqueCache[i].Value);
}
for (int i = 0; i < sortingTransparentCache.Count; ++i)
{
ItemsInternal.Add(sortingTransparentCache[i].Value);
}
sortingTransparentCache.Clear();
sortingOpaqueCache.Clear();
notSorted.Clear();
InvalidateSceneGraph();
}
private void Clear()
{
ItemsInternal.Clear();
UpdateItems();
}