public RenderElementDrawingContext(IContainerRenderElement container, IRenderElementFactory factory)
{
this.container = container;
this.factory = factory;
this.availableChildren = container.Children?.ToList();
this.children = new List <object>();
}
private void SetInnerContext(IContainerRenderElement innerContainer)
{
if (innerContext != null)
{
throw new Granular.Exception("Inner context is already set");
}
innerContext = new RenderElementDrawingContext(innerContainer, factory);
innerContext.Closed += (sender, e) => innerContext = null;
}
protected override object CreateRenderElementContentOverride(IRenderElementFactory factory)
{
if (drawingRenderElement == null)
{
renderElementFactory = factory;
drawingRenderElement = factory.CreateDrawingRenderElement(this);
RenderAsync();
}
return(drawingRenderElement);
}
public void OpenHinge()
{
if (_isOpen)
{
return;
}
_isOpen = true;
//-----------------------------------
if (LandPart == null)
{
return;
}
if (FloatPart == null)
{
return; //may be null
}
switch (FloatPartStyle)
{
default:
case HingeFloatPartStyle.Popup:
{
RenderElement renderE = LandPart.CurrentPrimaryRenderElement;
if (renderE != null)
{
IContainerRenderElement topRenderBox = renderE.GetTopWindowRenderBox();
if (topRenderBox != null)
{
Point globalLocation = LandPart.GetGlobalLocation();
FloatPart.SetLocation(globalLocation.X, globalLocation.Y + LandPart.Height);
_floatPartRenderElement = FloatPart.GetPrimaryRenderElement();
topRenderBox.AddChild(_floatPartRenderElement);
}
}
}
break;
case HingeFloatPartStyle.Embeded:
{
}
break;
}
}
public static void SetChildren(this IContainerRenderElement container, IEnumerable <object> children)
{
if (container.Children.SequenceEqual(children))
{
return;
}
foreach (object child in container.Children.ToArray())
{
container.RemoveChild(child);
}
int index = 0;
foreach (object child in children)
{
container.InsertChild(index, child);
index++;
}
}
public void Remove(UIElement parent, T ui)
{
parent._needContentLayout = true;
parent._hasMinSize = false;
IContainerRenderElement parentContainer = parent.CurrentPrimaryRenderElement as IContainerRenderElement;
if (parentContainer != null)
{
parentContainer.RemoveChild(ui.GetPrimaryRenderElement());
}
_list.Remove(ui);//***
ui.ParentUI = null;
//---
//presentation
if (parentContainer != null)
{
CollectionHelper.UpdateLayout(parent, ui);
}
}
public static void AddChild(this IContainerRenderElement renderBox, UIElement ui)
{
renderBox.AddChild(ui.GetPrimaryRenderElement());
}
