internal XamlServiceProvider(INode node, HydrationContext context)
{
object targetObject;
if (node != null && node.Parent != null && context.Values.TryGetValue(node.Parent, out targetObject))
{
IProvideValueTarget = new XamlValueTargetProvider(targetObject, node, context, null);
}
if (context != null)
{
IRootObjectProvider = new XamlRootObjectProvider(context.RootElement);
}
if (node != null)
{
IXamlTypeResolver = new XamlTypeResolver(node.NamespaceResolver, XamlParser.GetElementType,
context.RootElement.GetType().GetTypeInfo().Assembly);
Add(typeof(IReferenceProvider), new ReferenceProvider(node));
}
var xmlLineInfo = node as IXmlLineInfo;
if (xmlLineInfo != null)
{
IXmlLineInfoProvider = new XmlLineInfoProvider(xmlLineInfo);
}
IValueConverterProvider = new ValueConverterProvider();
}
public object ConvertBack(object value, Type targetType)
{
if (targetType == null)
{
throw new ArgumentNullException(nameof(targetType));
}
var valueConverter = ValueConverterProvider.Get <TValueConverter>();
var convertedValue = BindingValue.UnsetValue;
if (TryGetParameter(out var parameter))
{
try
{
convertedValue = valueConverter.ConvertBack(value, targetType, parameter, _converterCulture);
}
catch (Exception ex)
{
Log($"An \"{LogFormatter.FormatException(ex)}\" exception occurred while converting \"{value ?? "null"}\" value from the target item to the source one " +
$"using \"{TypeFormatter.FormatName<TValueConverter>()}\" value converter.");
}
}
return(convertedValue);
}
internal XamlServiceProvider(INode node, HydratationContext context)
{
object targetObject;
if (node != null && node.Parent != null && context.Values.TryGetValue(node.Parent, out targetObject))
IProvideValueTarget = new XamlValueTargetProvider(targetObject, node, context, null);
if (context != null)
IRootObjectProvider = new XamlRootObjectProvider(context.RootElement);
if (node != null)
{
IXamlTypeResolver = new XamlTypeResolver(node.NamespaceResolver, XamlParser.GetElementType,
context.RootElement.GetType().GetTypeInfo().Assembly);
var enode = node;
while (enode != null && !(enode is IElementNode))
enode = enode.Parent;
if (enode != null)
INameScopeProvider = new NameScopeProvider { NameScope = (enode as IElementNode).Namescope };
}
var xmlLineInfo = node as IXmlLineInfo;
if (xmlLineInfo != null)
IXmlLineInfoProvider = new XmlLineInfoProvider(xmlLineInfo);
IValueConverterProvider = new ValueConverterProvider();
}
internal XamlServiceProvider(INode node, HydratationContext context)
{
object targetObject;
if (node != null && node.Parent != null && context.Values.TryGetValue(node.Parent, out targetObject))
{
IProvideValueTarget = new XamlValueTargetProvider(targetObject, node, context, null);
}
if (context != null)
{
IRootObjectProvider = new XamlRootObjectProvider(context.RootElement);
}
if (node != null)
{
IXamlTypeResolver = new XamlTypeResolver(node.NamespaceResolver, XamlParser.GetElementType,
context.RootElement.GetType().GetTypeInfo().Assembly);
var enode = node;
while (enode != null && !(enode is IElementNode))
{
enode = enode.Parent;
}
if (enode != null)
{
INameScopeProvider = new NameScopeProvider {
NameScope = (enode as IElementNode).Namescope
}
}
;
}
var xmlLineInfo = node as IXmlLineInfo;
if (xmlLineInfo != null)
{
IXmlLineInfoProvider = new XmlLineInfoProvider(xmlLineInfo);
}
IValueConverterProvider = new ValueConverterProvider();
}
public XamlServiceProvider()
{
IValueConverterProvider = new ValueConverterProvider();
}
public XamlServiceProvider()
{
IValueConverterProvider = new ValueConverterProvider();
}
