public void AddElement(FrameworkElement parent, FrameworkElement element, bool pushTask = false)
{
IRenderer parentRenderer = parent.GetRenderer();
IRenderer childRenderer = element.GetRenderer();
element.AddAdorner((Adorner)childRenderer);
if (parent.DataContext != null && parent.DataContext is DependencyObject dataContext)
{
// Add On PObject Parent
ObjectContentHelper.GetContent(
dataContext,
pi => pi.SetValue(dataContext, element.DataContext), // Single Content
list => list.SafeAdd(element.DataContext)); // List Content
}
// Add On WPF Parent
ObjectContentHelper.GetContent(
parent,
pi => pi.SetValue(parent, element), // Single Content
list => list.SafeAdd(element)); // List Content
this.AddElementCore(childRenderer);
// Notice child added
parentRenderer?.AddChild(childRenderer, childRenderer.Metadata.CreatedPosition);
}
protected override void OnDisposed()
{
ObjectContentHelper.GetContent(
AdornedElement,
null,
list =>
{
foreach (FrameworkElement element in list)
{
IRenderer renderer = element.GetRenderer();
if (renderer is IDisposable disposable)
{
disposable.Dispose();
}
}
});
base.OnDisposed();
}
/// <summary>
/// Parent의 자식으로 등록된 Element를 삭제하고 <see cref="IRenderer"/> 및 레이어를 삭제합니다.
/// </summary>
/// <param name="parent"></param>
/// <param name="element"></param>
public void RemoveElement(FrameworkElement parent, FrameworkElement element, bool pushTask = false)
{
IRenderer parentRenderer = parent.GetRenderer();
IRenderer childRenderer = element.GetRenderer();
// Selection Check
if (GroupSelector.IsSelected(childRenderer as FrameworkElement))
{
GroupSelector.Select(childRenderer as SelectionLayer, false);
}
// Remove On AdornerLayer
element.RemoveAdorner((Adorner)childRenderer);
if (!pushTask)
{
// Dispose
DestroyElement(parent, element);
}
if (parent.DataContext != null && parent.DataContext is DependencyObject dataContext)
{
// Remove On PObject Parent
ObjectContentHelper.GetContent(
dataContext,
pi => pi.SetValue(dataContext, null), // Single Content
list => list.SafeRemove(element.DataContext)); // List Content
}
// Remove On WPF Parent
ObjectContentHelper.GetContent(
parent,
pi => pi.SetValue(parent, null), // Single Content
list => list.SafeRemove(element)); // List Content
RemoveElementCore(childRenderer);
// Notice child removed
parentRenderer?.RemoveChild(childRenderer);
}
