private object FindOrBindKeyValue(FrameworkElement element, DependencyProperty property)
{
foreach (FrameworkElement ancestor in VisualTree.EnumerateAncestors(element, true))
{
ModelDefinitionContainer container = UserModelPresenter.GetContainer(ancestor);
if (container != null)
{
if (container.Definition != null && Key != null)
{
return(container.Definition.Metadata.Get(Key, default(object)));
}
container.Changed += () =>
{
if (Key != null)
{
object value = container.Definition.Metadata.Get(Key, default(object));
element.SetValue(property, value);
}
};
break;
}
}
return(null);
}
private static void BindModelContainerChanged(DependencyObject d)
{
foreach (FrameworkElement ancestor in VisualTree.EnumerateAncestors((FrameworkElement)d))
{
ModelDefinitionContainer container = UserModelPresenter.GetContainer(ancestor);
if (container != null)
{
SetContainerDefinition(d, container.Definition);
container.Changed += () => SetContainerDefinition(d, container.Definition);
break;
}
}
}
public static void SetContainer(DependencyObject obj, ModelDefinitionContainer value)
{
obj.SetValue(ContainerProperty, value);
}