private static void Float(Layout layout, DragablzItem dragablzItem)
{
//TODO we need eq of IManualInterTabClient here, so consumer can control this op'.
layout._floatTransfer = FloatTransfer.TakeSnapshot(dragablzItem);
//remove from source
var sourceOfDragItemsControl = ItemsControl.ItemsControlFromItemContainer(dragablzItem) as DragablzItemsControl;
if (sourceOfDragItemsControl == null)
{
throw new ApplicationException("Unable to determin source items control.");
}
var sourceTabControl = TabablzControl.GetOwnerOfHeaderItems(sourceOfDragItemsControl);
if (sourceTabControl == null)
{
throw new ApplicationException("Unable to determin source tab control.");
}
sourceTabControl.RemoveItem(dragablzItem);
//add to float layer
CollectionTeaser collectionTeaser;
if (CollectionTeaser.TryCreate(layout.FloatingItemsSource, out collectionTeaser))
{
collectionTeaser.Add(layout._floatTransfer.Content);
}
else
{
layout.FloatingItems.Add(layout._floatTransfer.Content);
}
}
private void ItemDragStarted(object sender, DragablzDragStartedEventArgs e)
{
var sourceOfDragItemsControl = ItemsControl.ItemsControlFromItemContainer(e.DragablzItem) as DragablzItemsControl;
if (sourceOfDragItemsControl == null)
{
return;
}
var sourceTab = TabablzControl.GetOwnerOfHeaderItems(sourceOfDragItemsControl);
if (sourceTab == null)
{
return;
}
if (sourceOfDragItemsControl.Items.Count != 1 ||
(sourceTab.InterTabController != null && !sourceTab.InterTabController.MoveWindowWithSolitaryTabs) ||
Layout.IsContainedWithinBranch(sourceOfDragItemsControl))
{
return;
}
IsBeingDraggedByTab = true;
}
private static void Float(Layout layout, DragablzItem dragablzItem)
{
//TODO we need eq of IManualInterTabClient here, so consumer can control this op'.
//remove from source
if (!(ItemsControl.ItemsControlFromItemContainer(dragablzItem) is DragablzItemsControl sourceOfDragItemsControl))
{
throw new ApplicationException("Unable to determin source items control.");
}
var sourceTabControl = TabablzControl.GetOwnerOfHeaderItems(sourceOfDragItemsControl);
layout._floatTransfer = FloatTransfer.TakeSnapshot(dragablzItem, sourceTabControl);
var floatingItemSnapShots = sourceTabControl.VisualTreeDepthFirstTraversal()
.OfType <Layout>()
.SelectMany(l => l.FloatingDragablzItems().Select(FloatingItemSnapShot.Take))
.ToList();
if (sourceTabControl == null)
{
throw new ApplicationException("Unable to determin source tab control.");
}
sourceTabControl.RemoveItem(dragablzItem);
//add to float layer
if (CollectionTeaser.TryCreate(layout.FloatingItemsSource, out CollectionTeaser? collectionTeaser))
{
collectionTeaser.Add(layout._floatTransfer.Content);
}
else
{
layout.FloatingItems.Add(layout._floatTransfer.Content);
}
layout.Dispatcher.BeginInvoke(new Action(() => RestoreFloatingItemSnapShots(layout, floatingItemSnapShots)), DispatcherPriority.Loaded);
}
private static bool TryGetSourceTabControl(DragablzItem dragablzItem, out TabablzControl tabablzControl)
{
if (!(ItemsControl.ItemsControlFromItemContainer(dragablzItem) is DragablzItemsControl sourceOfDragItemsControl))
{
throw new ApplicationException("Unable to determine source items control.");
}
tabablzControl = TabablzControl.GetOwnerOfHeaderItems(sourceOfDragItemsControl);
return(tabablzControl != null);
}
private static TabablzControl AssertGetSourceTabControl(DragablzItem dragablzItem)
{
var sourceOfDragItemsControl = ItemsControl.ItemsControlFromItemContainer(dragablzItem) as DragablzItemsControl;
if (sourceOfDragItemsControl == null)
{
throw new ApplicationException("Unable to determine source items control.");
}
var sourceTabControl = TabablzControl.GetOwnerOfHeaderItems(sourceOfDragItemsControl);
if (sourceTabControl == null)
{
throw new ApplicationException("Unable to determine source tab control.");
}
return(sourceTabControl);
}
private void Branch(DropZoneLocation location, DragablzItem sourceDragablzItem)
{
if (InterLayoutClient == null)
{
throw new InvalidOperationException("InterLayoutClient is not set.");
}
var sourceOfDragItemsControl = ItemsControl.ItemsControlFromItemContainer(sourceDragablzItem) as DragablzItemsControl;
if (sourceOfDragItemsControl == null)
{
throw new ApplicationException("Unable to determin source items control.");
}
var sourceTabControl = TabablzControl.GetOwnerOfHeaderItems(sourceOfDragItemsControl);
if (sourceTabControl == null)
{
throw new ApplicationException("Unable to determin source tab control.");
}
var sourceItem = sourceOfDragItemsControl.ItemContainerGenerator.ItemFromContainer(sourceDragablzItem);
sourceTabControl.RemoveItem(sourceDragablzItem);
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, sourceTabControl);
if (newTabHost == null)
{
throw new ApplicationException("InterLayoutClient did not provide a new tab host.");
}
newTabHost.TabablzControl.AddToSource(sourceItem);
newTabHost.TabablzControl.SelectedItem = sourceItem;
newContent = newTabHost.Container;
}
else
{
newContent = new ContentControl
{
Content = new object(),
ContentTemplate = BranchTemplate,
};
((ContentControl)newContent).Dispatcher.BeginInvoke(new Action(() =>
{
//TODO might need to improve this a bit, make it a bit more declarative for complex trees
var newTabControl = ((ContentControl)newContent).VisualTreeDepthFirstTraversal().OfType <TabablzControl>().FirstOrDefault();
if (newTabControl != null)
{
newTabControl.DataContext = sourceTabControl.DataContext;
newTabControl.AddToSource(sourceItem);
newTabControl.SelectedItem = sourceItem;
}
}), DispatcherPriority.Loaded);
}
if (location == DropZoneLocation.Right || location == DropZoneLocation.Bottom)
{
branchItem.FirstItem = Content;
branchItem.SecondItem = newContent;
}
else
{
branchItem.FirstItem = newContent;
branchItem.SecondItem = Content;
}
SetCurrentValue(ContentProperty, branchItem);
}