void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
this.Backstage = ((Fluent.BackstageTabControl)(target));
return;
}
this._contentLoaded = true;
}
private static void UnselectSelectedItem(BackstageTabControl backstageTabControl)
{
if (backstageTabControl?.SelectedItem == null)
{
return;
}
if (backstageTabControl.ItemContainerGenerator.ContainerFromItem(backstageTabControl.SelectedItem) is BackstageTabItem backstageTabItem)
{
backstageTabItem.IsSelected = false;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="BackstageAdorner"/> class.
/// </summary>
/// <param name="adornedElement">Adorned element</param>
/// <param name="backstage">Backstage</param>
public BackstageAdorner(FrameworkElement adornedElement, Backstage backstage)
: base(adornedElement)
{
KeyboardNavigation.SetTabNavigation(this, KeyboardNavigationMode.Contained);
KeyboardNavigation.SetControlTabNavigation(this, KeyboardNavigationMode.Contained);
KeyboardNavigation.SetDirectionalNavigation(this, KeyboardNavigationMode.Contained);
this.Backstage = backstage;
this.backstageContent = this.Backstage.Content;
this.backstageTabControl = this.backstageContent as BackstageTabControl
?? UIHelper.FindVisualChild <BackstageTabControl>(this.backstageContent);
this.background = new Rectangle();
if (this.backstageTabControl != null)
{
BindingOperations.SetBinding(this.background, Shape.FillProperty, new Binding
{
Path = new PropertyPath(Control.BackgroundProperty),
Source = this.backstageTabControl
});
BindingOperations.SetBinding(this.background, MarginProperty, new Binding
{
Path = new PropertyPath(BackstageTabControl.SelectedContentMarginProperty),
Source = this.backstageTabControl
});
}
else
{
this.background.SetResourceReference(Shape.FillProperty, "WhiteBrush");
}
this.visualChildren = new VisualCollection(this)
{
this.background,
this.backstageContent
};
}
// Handles IsSelected changed
private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
BackstageTabItem container = (BackstageTabItem)d;
bool newValue = (bool)e.NewValue;
if (newValue)
{
BackstageTabControl backstage = container.Parent as BackstageTabControl;
if ((backstage != null) && (backstage.SelectedItem != container))
{
if (backstage.SelectedItem is BackstageTabItem)
{
(backstage.SelectedItem as BackstageTabItem).IsSelected = false;
}
backstage.SelectedItem = container;
}
container.OnSelected(new RoutedEventArgs(Selector.SelectedEvent, container));
}
else
{
container.OnUnselected(new RoutedEventArgs(Selector.UnselectedEvent, container));
}
}