public override Geometry GetPreviewPath(OverlayWindow overlayWindow, LayoutFloatingWindow floatingWindowModel)
{
LayoutDocumentPaneGroup layoutDocumentPaneGroup;
LayoutPanel layoutPanel;
ILayoutDocumentPane model = this._targetPane.Model as ILayoutDocumentPane;
DockingManager manager = model.Root.Manager;
if (!this.FindParentLayoutDocumentPane(model, out layoutDocumentPaneGroup, out layoutPanel))
{
return(null);
}
Rect screenArea = (manager.FindLogicalChildren <FrameworkElement>().OfType <ILayoutControl>().First <ILayoutControl>((ILayoutControl d) => {
if (layoutDocumentPaneGroup == null)
{
return(d.Model == layoutPanel);
}
return(d.Model == layoutDocumentPaneGroup);
}) as FrameworkElement).GetScreenArea();
switch (base.Type)
{
case DropTargetType.DocumentPaneDockAsAnchorableLeft:
{
screenArea.Offset(-overlayWindow.Left, -overlayWindow.Top);
screenArea.Width = screenArea.Width / 3;
return(new RectangleGeometry(screenArea));
}
case DropTargetType.DocumentPaneDockAsAnchorableTop:
{
screenArea.Offset(-overlayWindow.Left, -overlayWindow.Top);
screenArea.Height = screenArea.Height / 3;
return(new RectangleGeometry(screenArea));
}
case DropTargetType.DocumentPaneDockAsAnchorableRight:
{
screenArea.Offset(-overlayWindow.Left, -overlayWindow.Top);
screenArea.Offset(screenArea.Width - screenArea.Width / 3, 0);
screenArea.Width = screenArea.Width / 3;
return(new RectangleGeometry(screenArea));
}
case DropTargetType.DocumentPaneDockAsAnchorableBottom:
{
screenArea.Offset(-overlayWindow.Left, -overlayWindow.Top);
screenArea.Offset(0, screenArea.Height - screenArea.Height / 3);
screenArea.Height = screenArea.Height / 3;
return(new RectangleGeometry(screenArea));
}
}
return(null);
}
