private object FindOrBindKeyValue(FrameworkElement element, DependencyProperty property)
{
foreach (FrameworkElement ancestor in VisualTree.EnumerateAncestors(element, true))
{
FieldDefinitionContainer container = UserFieldPresenter.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 void BindToFieldDefinitionContainer()
{
if (isAttached)
{
return;
}
foreach (FrameworkElement ancestor in VisualTree.EnumerateAncestors(this, true))
{
FieldDefinitionContainer container = GetContainer(ancestor);
if (container != null)
{
isAttached = true;
container.Changed += () =>
{
Console.WriteLine(ancestor.Name);
OnChanged(container.Definition);
};
if (container.Definition != null)
{
OnChanged(container.Definition);
}
}
}
}
private static void SetContainerDefinition(DependencyObject d, IModelDefinition modelDefinition)
{
FieldDefinitionContainer container = GetContainer(d);
string identifier = GetIdentifier(d);
if (container != null)
{
if (identifier != null && modelDefinition != null)
{
container.Definition = modelDefinition.Fields.FirstOrDefault(f => f.Identifier == identifier);
}
else
{
container.Definition = null;
}
}
}
public static void SetContainer(DependencyObject obj, FieldDefinitionContainer value)
{
obj.SetValue(ContainerProperty, value);
}