private void SetInsertionPoint()
{
bool flag = false;
if (this.oldDockAdorner != null)
{
this.oldDockAdorner.IsActive = false;
}
DockAdorner dockAdorner = this.ActiveView.AdornerService.GetHitAdorner(this.Pointer, new Type[1]
{
typeof(DockPanelAdorner)
}) as DockAdorner;
this.oldDockAdorner = dockAdorner;
if (dockAdorner != null)
{
this.oldDockAdorner.IsActive = true;
if (dockAdorner is DockPanelAdorner)
{
DockPanelElement dockPanel = (DockPanelElement)dockAdorner.Element;
DockPanelAdorner dockPanelAdorner = (DockPanelAdorner)dockAdorner;
this.insertionPoint.DockPanel = dockPanel;
this.insertionPoint.Dock = dockPanelAdorner.Dock;
this.insertionPoint.Index = DockPanelLayoutUtilities.GetFillRegionInsertionIndex(dockPanel);
flag = true;
}
}
if (flag || this.insertionPoint.IsEmpty)
{
return;
}
this.insertionPoint.Clear();
}
public static int GetChildInsertionIndex(DockPanelElement dockPanel, BaseFrameworkElement dockPanelChild, Dock adornerDock)
{
int num = dockPanel.Children.IndexOf((SceneNode)dockPanelChild);
switch (DockPanel.GetDock((UIElement)(dockPanelChild.ViewObject.PlatformSpecificObject as FrameworkElement)))
{
case Dock.Left:
case Dock.Top:
if (adornerDock == Dock.Left || adornerDock == Dock.Top)
{
return(num);
}
if (adornerDock == Dock.Right || adornerDock == Dock.Bottom)
{
return(num + 1);
}
throw new ArgumentException(ExceptionStringTable.IllegalFillAdornerOnDockChild);
case Dock.Right:
case Dock.Bottom:
if (adornerDock == Dock.Left || adornerDock == Dock.Top)
{
return(num + 1);
}
if (adornerDock == Dock.Right || adornerDock == Dock.Bottom)
{
return(num);
}
throw new ArgumentException(ExceptionStringTable.IllegalFillAdornerOnDockChild);
default:
throw new ArgumentException(ExceptionStringTable.IllegalFillAdornerOnDockChild);
}
}
public static int GetFillRegionInsertionIndex(DockPanelElement dockPanel)
{
int num = -1;
if (num == -1)
{
num = dockPanel.Children.Count;
}
return(num);
}
private static Rect GetFillRegionRectangle(DockPanelElement dockPanel)
{
Rect computedTightBounds = dockPanel.GetComputedTightBounds();
double left = computedTightBounds.Left;
double right = computedTightBounds.Right;
double top = computedTightBounds.Top;
double bottom = computedTightBounds.Bottom;
for (int index = 0; index < DockPanelLayoutUtilities.GetFillRegionInsertionIndex(dockPanel); ++index)
{
BaseFrameworkElement frameworkElement = dockPanel.Children[index] as BaseFrameworkElement;
if (frameworkElement != null)
{
Dock dock = (Dock)frameworkElement.GetComputedValue(DockPanelElement.DockProperty);
Rect computedBounds = frameworkElement.GetComputedBounds((Base2DElement)dockPanel);
switch (dock)
{
case Dock.Left:
left += computedBounds.Width;
continue;
case Dock.Top:
top += computedBounds.Height;
continue;
case Dock.Right:
right -= computedBounds.Width;
continue;
case Dock.Bottom:
bottom -= computedBounds.Height;
continue;
default:
throw new NotImplementedException(ExceptionStringTable.DockPanelInvalidDock);
}
}
}
double width = Math.Max(0.0, right - left);
double height = Math.Max(0.0, bottom - top);
return(new Rect(left, top, width, height));
}
