public virtual int Add(UIElement element)
{
__UIElement _element = element;
__FrameworkElement _felement = _element as __FrameworkElement;
if (_felement == null)
{
throw new NotImplementedException();
}
_felement.InternalParent = this.InternalVisualParent;
InternalSprite.appendChild(_element.InternalGetDisplayObject());
InternalItems.Add(element);
return(InternalItems.Count - 1);
}
public virtual void Remove(UIElement element)
{
__UIElement _element = element;
__FrameworkElement _felement = _element as __FrameworkElement;
if (_felement == null)
{
throw new NotImplementedException();
}
if (_felement.InternalParent != this.InternalVisualParent)
{
return;
}
InternalSprite.removeChild(_element.InternalGetDisplayObject());
InternalItems.Remove(element);
_felement.InternalParent = null;
}
public void AddChild(object value)
{
var e = value as UIElement;
if (e == null)
{
throw new NotSupportedException("AddChild supports UIElement");
}
this.Children.Add(e);
__FrameworkElement _f = e as FrameworkElement;
if (_f != null)
{
if (_f.InternalZIndexPending)
{
_f.InternalZIndexPending = false;
SetZIndex(e, _f.InternalZIndex);
}
}
}
public static void SetZIndex(UIElement element, int value)
{
var f = element as FrameworkElement;
if (f == null)
{
throw new Exception("SetZIndex expects element to be FrameworkElement");
}
__FrameworkElement _f = f;
_f.InternalZIndex = value;
if (f.Parent == null)
{
// the element has not been attached yet...
_f.InternalZIndexPending = true;
return;
}
var Parent = f.Parent as Panel;
if (Parent == null)
{
throw new Exception("SetZIndex expects element.Parent to be Panel, but instead it was " + f.Parent.GetType().FullName);
}
// so how many guys have the zindex less or equal than our value?
var zIndex = 0;
var Children = (__UIElementCollection)(object)Parent.Children;
var InternalItems = Children.InternalItems;
for (int i = 0; i < InternalItems.Count; i++)
{
var Child = InternalItems[i];
if (Child != element)
{
var ChildFrameworkElement = Child as FrameworkElement;
var InternalZIndex = 0;
if (ChildFrameworkElement != null)
{
__FrameworkElement _ChildFrameworkElement = ChildFrameworkElement;
InternalZIndex = _ChildFrameworkElement.InternalZIndex;
}
if (InternalZIndex <= value)
{
zIndex++;
}
}
}
__Panel _Parent = Parent;
//// http://livedocs.adobe.com/flex/3/langref/flash/display/DisplayObjectContainer.html#setChildIndex()
var c = (DisplayObjectContainer)_Parent.InternalGetDisplayObjectDirect();
c.setChildIndex(_f.InternalGetDisplayObjectDirect(), zIndex);
//__UIElement _element = element;
// this will only apply for 3d...
// we need to emulate zindex
//_element.InternalGetDisplayObject().z = value;
}
