public override bool Instantiate(IInstanceBuilderContext context, ViewNode viewNode)
{
TemplateBindingInstanceBuilderBase.CheckForInvalidBinding(viewNode);
bool flag = base.Instantiate(context, viewNode);
if (context.RootTargetTypeReplacement != null && context.IsSerializationScope)
{
ViewNode viewNode1 = StyleControlTemplateHelper.FindContainingControlTemplate(viewNode);
if (viewNode1 != null)
{
ViewNode viewNode2 = StyleControlTemplateHelper.FindStyleTemplateOwningViewNode(viewNode1);
if (viewNode2 == null || viewNode2 == context.ViewNodeManager.Root)
{
DocumentCompositeNode documentNode = viewNode.DocumentNode as DocumentCompositeNode;
if (documentNode != null && DocumentNodeUtilities.IsTemplateBinding(documentNode))
{
IMemberId valueAsMember = DocumentNodeHelper.GetValueAsMember(documentNode, KnownProperties.TemplateBindingPropertyProperty);
if (valueAsMember != null)
{
IProperty replacementProperty = context.RootTargetTypeReplacement.GetReplacementProperty(valueAsMember as IProperty);
if (replacementProperty != null && replacementProperty is DependencyPropertyReferenceStep && replacementProperty != valueAsMember)
{
DocumentCompositeNode instance = (DocumentCompositeNode)viewNode.Instance;
instance.Properties[KnownProperties.TemplateBindingPropertyProperty] = context.DocumentContext.CreateNode(PlatformTypes.DependencyProperty, new DocumentNodeMemberValue(replacementProperty));
}
}
}
}
}
}
return(flag);
}
protected virtual bool IsValueValidForVerification(DocumentNode valueNode)
{
if (!DocumentNodeUtilities.IsBinding(valueNode) && !DocumentNodeUtilities.IsTemplateBinding(valueNode))
{
return(!DocumentNodeUtilities.IsStaticExtension(valueNode));
}
return(false);
}
private object InternalGetAmbientValue(ReferenceStep property, SceneNode targetNode)
{
AmbientPropertyManager.AmbientPropertyValue ambientPropertyValue = this.GetAmbientPropertyValue(property);
if (ambientPropertyValue != null)
{
if (ambientPropertyValue.Value == DependencyProperty.UnsetValue)
{
return(ambientPropertyValue.DefaultValue);
}
DocumentNode node = ambientPropertyValue.Value as DocumentNode;
if (node == null)
{
return(DependencyProperty.UnsetValue);
}
if (targetNode == null && (DocumentNodeUtilities.IsStaticResource(node) || DocumentNodeUtilities.IsDynamicResource(node) || DocumentNodeUtilities.IsTemplateBinding(node)))
{
return(ambientPropertyValue.DefaultValue);
}
DocumentCompositeNode documentCompositeNode = node as DocumentCompositeNode;
if (DocumentNodeUtilities.IsStaticResource(node) || DocumentNodeUtilities.IsDynamicResource(node))
{
DocumentNode resourceKey = ResourceNodeHelper.GetResourceKey(documentCompositeNode);
bool flag = new ExpressionEvaluator((IDocumentRootResolver)targetNode.ProjectContext).EvaluateResource(targetNode.DocumentNodePath, DocumentNodeUtilities.IsStaticResource(node) ? ResourceReferenceType.Static : ResourceReferenceType.Dynamic, resourceKey) != null;
if (!flag)
{
object instance = targetNode.ViewModel.CreateInstance(new DocumentNodePath(resourceKey, resourceKey));
if (instance != null)
{
flag = targetNode.ViewModel.FindResource(instance) != null;
}
}
if (!flag)
{
return(ambientPropertyValue.DefaultValue);
}
}
else if (DocumentNodeUtilities.IsTemplateBinding(node))
{
ExpressionEvaluator expressionEvaluator = new ExpressionEvaluator((IDocumentRootResolver)targetNode.ProjectContext);
if (documentCompositeNode == null || expressionEvaluator.EvaluateTemplateBinding(targetNode.DocumentNodePath, documentCompositeNode) == null)
{
return(ambientPropertyValue.DefaultValue);
}
}
return((object)node);
}
if (targetNode == null || !object.Equals(ambientPropertyValue.DefaultValue, targetNode.GetDefaultValueAsWpf((IPropertyId)property)))
{
return(ambientPropertyValue.DefaultValue);
}
return(DependencyProperty.UnsetValue);
}
private static void CheckForInvalidBinding(ViewNode viewNode)
{
if (viewNode == null || viewNode.DocumentNode == null || viewNode.DocumentNode.Parent == null || !viewNode.DocumentNode.IsProperty)
{
return;
}
IProperty sitePropertyKey = viewNode.DocumentNode.SitePropertyKey;
if (KnownProperties.ContentControlContentProperty.Equals(sitePropertyKey) || KnownProperties.ContentPresenterContentProperty.Equals(sitePropertyKey))
{
DocumentCompositeNode documentNode = (DocumentCompositeNode)viewNode.DocumentNode;
if (DocumentNodeUtilities.IsTemplateBinding(documentNode) && documentNode.Properties[KnownProperties.TemplateBindingPropertyProperty] == null)
{
CultureInfo currentCulture = CultureInfo.CurrentCulture;
string invalidBindingToVisualTreeElement = ExceptionStringTable.InvalidBindingToVisualTreeElement;
object[] name = new object[] { sitePropertyKey.Name };
throw new InvalidOperationException(string.Format(currentCulture, invalidBindingToVisualTreeElement, name));
}
}
}