protected override void OnVisualParentChanged(DependencyObject oldParent)
{
DockingManager dockManager = GetManager();
if (dockManager != null)
{
dockManager.RefreshContents();
}
base.OnVisualParentChanged(oldParent);
}
protected override void OnContentChanged(object oldContent, object newContent)
{
base.OnContentChanged(oldContent, newContent);
if (_manager != null)
{
_manager.RegisterFloatingWindow(this);
_manager.RefreshContents();
}
UpdateContentTitle();
}
protected override void OnItemsChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
DockingManager dockManager = GetManager();
if (dockManager != null)
{
dockManager.RefreshContents();
}
if (e.NewItems != null)
{
CheckItems(e.NewItems);
}
HasSingleItem = (Items.Count == 1);
if (_lastSelectedContent != null &&
!Items.Contains(_lastSelectedContent))
{
_lastSelectedContent = null;
}
if ((e.NewItems == null || e.NewItems.Count == 0) &&
(e.OldItems != null && e.OldItems.Count > 0))
{
if (_lastSelectedContent != null &&
Items.Contains(_lastSelectedContent))
{
SelectedItem = _lastSelectedContent;
}
}
//let base class handle SelectedIndex/Item value
base.OnItemsChanged(e);
if (Items.Count > 0)
{
int currentIndex = SelectedIndex;
if (currentIndex < 0 ||
currentIndex >= Items.Count)
{
currentIndex = Items.Count - 1;
}
SelectedItem = Items.GetItemAt(currentIndex);
}
RefreshContainsActiveContentProperty();
if (Items.Count > 0)
{
var parentPanel = Parent as ResizingPanel;
while (parentPanel != null && parentPanel.IsLoaded)
{
parentPanel.UpdateLayout();
parentPanel.InvalidateMeasure();
parentPanel = parentPanel.Parent as ResizingPanel;
}
}
}
