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 static bool TryGetSourceTabControl(DockItem dockItem, out DockControl dockControl)
{
var sourceOfDockItemsControl =
dockItem.GetSelfAndLogicalAncestors().OfType <ItemsControl>().FirstOrDefault() as DockItemsControl;
if (sourceOfDockItemsControl == null)
{
throw new ApplicationException("Unable to determine source items control.");
}
dockControl = DockControl.GetOwnerOfHeaderItems(sourceOfDockItemsControl);
return(dockControl != null);
}
private void Branch(DropZoneLocation location, DockItem sourceDockItem)
{
if (InterLayoutClient == null)
{
throw new InvalidOperationException("InterLayoutClient is not set.");
}
var sourceOfdockItemsControl =
sourceDockItem.GetSelfAndLogicalAncestors().OfType <ItemsControl>().FirstOrDefault() as DockItemsControl;
if (sourceOfdockItemsControl == null)
{
return;
}
var sourceDockControl = DockControl.GetOwnerOfHeaderItems(sourceOfdockItemsControl);
if (sourceDockControl == null)
{
throw new ApplicationException("Unable to determine source dock control ");
}
var floatingItemSnapShots = sourceDockControl.GetVisualChildren().OfType <Layout>()
.SelectMany(l => l.FloatingDockItems().Select(FloatingItemSnapShot.Take))
.ToList();
var sourceItemIndex = sourceOfdockItemsControl.ItemContainerGenerator.IndexFromContainer(sourceDockItem);
var sourceItem = (DockItem)((IList)sourceDockControl.Items)[sourceItemIndex];
sourceDockControl.RemoveItem(sourceItem);
var branchItem = new Branch
{
Orientation = (location == DropZoneLocation.Right || location == DropZoneLocation.Left) ? Orientation.Horizontal : Orientation.Vertical,
};
object newContent;
if (BranchTemplate == null)
{
var newTabHost = InterLayoutClient.GetNewHost(Partition, sourceDockControl);
if (newTabHost == null)
{
throw new ApplicationException("InterLayoutClient did not provide a new tab host.");
}
newTabHost.DockControl.AddToSource(sourceItem);
newTabHost.DockControl.SelectedItem = sourceItem;
newContent = newTabHost.Container;
Dispatcher.UIThread.InvokeAsync(new Action(() => RestoreFloatingItemSnapShots(newTabHost.DockControl, floatingItemSnapShots)), DispatcherPriority.Loaded);
}
else
{
newContent = new ContentControl
{
Content = new object(),
};
((ContentControl)newContent).DataTemplates.Add(BranchTemplate);
Dispatcher.UIThread.InvokeAsync(new Action(() =>
{
var newDockControl = ((ContentControl)newContent).GetVisualChildren().OfType <DockControl>().FirstOrDefault();
if (newDockControl == null)
{
return;
}
newDockControl.DataContext = sourceDockControl.DataContext;
newDockControl.AddToSource(sourceItem);
newDockControl.SelectedItem = sourceItem;
Dispatcher.UIThread.InvokeAsync(new Action(() => RestoreFloatingItemSnapShots(newDockControl, floatingItemSnapShots)), DispatcherPriority.Loaded);
}), DispatcherPriority.Loaded);
}
if (location == DropZoneLocation.Right || location == DropZoneLocation.Bottom)
{
branchItem.FirstItem = Content;
branchItem.SecondItem = newContent;
}
else
{
branchItem.FirstItem = newContent;
branchItem.SecondItem = Content;
}
SetValue(ContentProperty, branchItem);
}