internal static Exception BindingSourceNotFound(BindingMemberExpressionNode node)
{
return new InvalidOperationException($"The source cannot be found parameter name '{node.ParameterName}', binding member '{node.Path}'");
}
protected static Func<IDataContext, IObserver> GetBindingSourceDelegate(BindingMemberExpressionNode node)
{
IBindingPath path = BindingServiceProvider.BindingPathFactory(node.Path);
if (node.IsDynamic)
{
string resourceName = node.ResourceName;
return context =>
{
var resourceObject = BindingServiceProvider.ResourceResolver.ResolveObject(resourceName, context, true);
return BindingServiceProvider.ObserverProvider.Observe(resourceObject, path, false, context);
};
}
if (node.IsRelativeSource)
{
IRelativeSourceExpressionNode r = node.RelativeSourceExpression;
return context => BindingExtensions.CreateBindingSource(r, context.GetData(BindingBuilderConstants.Target, true), null);
}
return context => BindSource(context, path);
}
internal static Exception BindingSourceNotFound(BindingMemberExpressionNode node)
{
return
new InvalidOperationException(
string.Format("The source cannot be found parameter name '{0}', binding member '{1}'",
node.ParameterName, node.Path));
}
