public static ItemsControl ItemsControlFromItemContainer(AvaloniaObject container)
{
ILogical uiLogical = container as ILogical;
if (uiLogical == null)
{
return(null);
}
// ui appeared in items collection
ItemsControl ic = LogicalExtensions.GetLogicalParent(uiLogical) as ItemsControl;
if (ic != null)
{
// this is the right ItemsControl as long as the item
// is (or is eligible to be) its own container
//IGeneratorHost host = ic as IGeneratorHost;
//if (host.IsItemItsOwnContainer(ui))
// return ic;
//else
// return null;
}
IVisual uiVisual = container as IVisual;
uiVisual = VisualTree.VisualExtensions.GetVisualParent <IVisual>(uiVisual);
return(GetItemsOwner(uiLogical as AvaloniaObject));
}
/// <summary>
/// returns the children by control
/// </summary>
/// <param name="parent"></param>
/// <param name="forceUsingTheVisualTreeHelper"></param>
/// <returns></returns>
public static IEnumerable <IControl> GetChildObjects(this IControl parent, bool forceUsingTheVisualTreeHelper = false)
{
if (parent == null)
{
yield break;
}
ILogical parentLogical = parent as ILogical;
if (!forceUsingTheVisualTreeHelper && (parentLogical != null))
{
foreach (var item in LogicalExtensions.GetLogicalChildren(parentLogical))
{
IControl avalonia = item as IControl;
if (avalonia != null)
{
yield return(item as IControl);
}
}
}
else
{
IVisual visual = parent as IVisual;
foreach (var item in VisualTree.VisualExtensions.GetVisualChildren(visual))
{
IControl avalonia = item as IControl;
if (avalonia != null)
{
yield return(item as IControl);
}
}
}
}
