void d_Click(object sender, RoutedEventArgs e)
{
SupressConnectorNodes = AdornerToggleButtons.Any(t => t.IsChecked == true);
}
private void InsertAdorners()
{
if (VisualTreeHelper.GetChildrenCount(AssociatedObject) == 0)
{
return;
}
AssociatedObject.LayoutUpdated -= AssociatedObjectLayoutUpdated;
_beginInt = AssociatedObject.IsInitialized;
if (!_beginInt)
{
AssociatedObject.BeginInit();
}
//
// Create visual for adorners
//
FrameworkElement topVisuals = TopTemplate.LoadContent() as FrameworkElement;
if (topVisuals != null)
{
var topBorder = topVisuals.FindName("AdornerBorder") as FrameworkElement;
if (topBorder != null)
{
var behaviors = Interaction.GetBehaviors(AssociatedObject);
var actualSizeBehavior =
behaviors.FirstOrDefault(b => b.GetType() == typeof(ActualSizeBindingBehavior))
as ActualSizeBindingBehavior;
if (actualSizeBehavior != null)
{
var widthBinding = new Binding
{
Source = actualSizeBehavior,
Path = new PropertyPath("ActualWidth"),
Converter = new DoubleToMarginLeftConverter()
};
topBorder.SetBinding(FrameworkElement.MarginProperty, widthBinding);
}
}
}
if (topVisuals != null && DataContext != null)
{
topVisuals.DataContext = DataContext;
}
//
// Setup intercept for supressing the connector nodes
//
_rootAdornerLayer = AdornerLayer.GetAdornerLayer(AssociatedObject);
if (_rootAdornerLayer != null)
{
_rootAdornerLayer.LayoutUpdated += AdornerLayerOnMouseLeave;
}
//
// Get controls from visual tree
//
Border childBorder = VisualTreeHelper.GetChild(AssociatedObject, 0) as Border;
if (childBorder == null)
{
return;
}
Grid hostGrid = childBorder.Child as Grid;
if (hostGrid == null)
{
return;
}
Border titleBarBorder = GetColoursBorder(hostGrid);
if (titleBarBorder == null)
{
return;
}
//
// Set colour attached properties
//
Binding backgroundBinding = new Binding("Background");
backgroundBinding.Source = titleBarBorder;
Binding borderBrushBinding = new Binding("BorderBrush");
borderBrushBinding.Source = titleBarBorder;
if (topVisuals != null)
{
topVisuals.BeginInit();
topVisuals.SetBinding(TitleBarBackgroundProperty, backgroundBinding);
topVisuals.SetBinding(TitleBarBorderBrushProperty, borderBrushBinding);
topVisuals.EndInit();
}
//
// Insert adorners
//
AdornerDecorator decorator = new AdornerDecorator();
childBorder.Child = null;
decorator.Child = hostGrid;
childBorder.Child = decorator;
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(hostGrid);
if (!_beginInt)
{
AssociatedObject.BeginInit();
}
TopVisualsAdornerWrapper topVisualsAdornerWrapper =
new TopVisualsAdornerWrapper(hostGrid, topVisuals, AssociatedObject);
adornerLayer.Add(topVisualsAdornerWrapper);
if (!_beginInt)
{
adornerLayer.EndInit();
AssociatedObject.EndInit();
}
AdornerToggleButtons.Clear();
topVisualsAdornerWrapper.Descendents().OfType <AdornerToggleButton>().ToList()
.ForEach(d =>
{
AdornerToggleButtons.Add(d);
d.Click += d_Click;
});
}
