private static void Float(Layout layout, DockItem dockItem)
{
var sourceOfDockItemsControl =
dockItem.GetSelfAndLogicalAncestors().OfType <ItemsControl>().FirstOrDefault() as DockItemsControl;
if (sourceOfDockItemsControl == null)
{
throw new ApplicationException("Unable to determine source items control.");
}
var sourceDockControl = DockControl.GetOwnerOfHeaderItems(sourceOfDockItemsControl);
layout._floatTransfer = FloatTransfer.TakeSnapshot(dockItem, sourceDockControl);
var floatingItemSnapShots = sourceDockControl.GetVisualDescendents().OfType <Layout>()
.SelectMany(l => l.FloatingDockItems().Select(FloatingItemSnapShot.Take))
.ToList();
if (sourceDockControl == null)
{
throw new ApplicationException("Unable to determine source tab control.");
}
sourceDockControl.RemoveItem(dockItem);
((IList)layout.FloatingItems).Add(layout._floatTransfer.Content);
Dispatcher.UIThread.InvokeAsync(
new Action(() => RestoreFloatingItemSnapShots(layout, floatingItemSnapShots)), DispatcherPriority.Loaded);
}
private void PerpareFloatingContainerForItemOverride(Control control, object o)
{
var headeredDockItem = control as HeaderedDockItem;
if (headeredDockItem == null)
{
return;
}
SetIsFloatingInLayout(control, true);
var headBinding = new Binding {
Path = FloatingItemHeaderMemberPath, Source = o
};
headeredDockItem.Bind(HeaderedDockItem.HeaderContentProperty, headBinding);
if (!string.IsNullOrWhiteSpace(FloatingItemDisplayMemberPath))
{
var contentBinding = new Binding {
Path = FloatingItemDisplayMemberPath, Source = o
};
headeredDockItem.Bind(ContentControl.ContentProperty, contentBinding);
}
if (_floatTransfer == null || (o != _floatTransfer.Content && control != _floatTransfer.Content))
{
return;
}
var dockItem = (DockItem)control;
Dispatcher.UIThread.InvokeAsync(new Action(() =>
{
dockItem.Measure(new Size(_floatingItems.Width, _floatingItems.Height));
var newWidth = Math.Min(_floatingItems.Width * .75, dockItem.DesiredSize.Width);
var newHeight = Math.Min(_floatingItems.Height * .75, dockItem.DesiredSize.Height);
dockItem.SetValue(DockItem.XProperty, _floatingItems.Width / 2 - newWidth / 2);
dockItem.SetValue(DockItem.YProperty, _floatingItems.Height / 2 - newHeight / 2);
dockItem.SetValue(WidthProperty, newWidth);
dockItem.SetValue(HeightProperty, newHeight);
}), DispatcherPriority.Loaded);
_floatTransfer = null;
}
