public override PropertyTreeMetaObject Bind(PropertyTreeMetaObject target,
PropertyTreeNavigator navigator,
IServiceProvider serviceProvider)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (navigator == null)
{
throw new ArgumentNullException("navigator");
}
if (navigator.IsProperty)
{
var textValue = navigator.Value as string;
if (textValue != null)
{
return(BindInitializeValue(
target,
navigator,
serviceProvider,
() => target.BindInitializeValue(textValue, serviceProvider)));
}
var exprValue = navigator.Value as Expression;
if (exprValue != null)
{
var exprContext = ExpressionContext.Compose(
CurrentExpressionContext,
ExpressionContext.FromNameScope(FindNameScope(target))
);
exprValue = ExpressionUtility.LiftToCall(exprValue, exprContext);
return(BindInitializeValue(
target,
navigator,
serviceProvider,
() => target.BindInitializer(exprValue, exprContext, serviceProvider)));
}
throw new NotImplementedException();
}
var children = SelectChildren(navigator);
return(BindChildNodes(target, navigator, NodeList.Create(children)));
}
public override PropertyTreeMetaObject Bind(PropertyTreeMetaObject target,
PropertyTreeNavigator navigator,
IServiceProvider serviceProvider)
{
if (target == null)
throw new ArgumentNullException("target");
if (navigator == null)
throw new ArgumentNullException("navigator");
if (navigator.IsProperty) {
string value = Convert.ToString(navigator.Value);
var sp = ServiceProvider.Compose(ServiceProvider.FromValue(navigator), serviceProvider, this);
var xml = (IXmlNamespaceResolver) sp.GetService(typeof(IXmlNamespaceResolver));
try {
return target.BindInitializeValue(value, sp);
} catch (Exception ex) {
// Throw critical exceptions if they originate within PT; otherwise, allow
// callback to decide how to handle them.
if (ex.IsCriticalException())
throw;
var descriptor = serviceProvider.GetService<ITypeDescriptorContext>();
string property;
Type componentType;
if (descriptor == null || descriptor.PropertyDescriptor == null) {
property = navigator.QualifiedName.ToString();
componentType = descriptor.Instance.GetType();
} else {
property = descriptor.PropertyDescriptor.Name;
componentType = descriptor.PropertyDescriptor.ComponentType;
}
FileLocation loc = navigator.FileLocation;
try {
Callback.OnConversionException(property, value, ex);
} catch (Exception ex2) {
if (Require.IsCriticalException(ex2))
throw;
throw PropertyTreesFailure.BinderConversionError(value, property, componentType, ex2, loc);
}
}
}
var children = SelectChildren(navigator);
return BindChildNodes(target, navigator, NodeList.Create(children));
}
