public ShapeAlterationBuilder BoundAs(string bindingSource, Func <ShapeDescriptor, Func <DisplayContext, Task <IHtmlContent> > > binder)
{
// schedule the configuration
return(Configure(descriptor =>
{
Func <DisplayContext, Task <IHtmlContent> > target = null;
var binding = new ShapeBinding
{
ShapeDescriptor = descriptor,
BindingName = _bindingName,
BindingSource = bindingSource,
};
binding.BindingAsync = displayContext =>
{
// when used, first realize the actual target once
if (target == null)
{
target = binder(binding.ShapeDescriptor);
}
// and execute the re
return target(displayContext);
};
// ShapeDescriptor.Bindings is a case insensitive dictionary
descriptor.Bindings[_bindingName] = binding;
descriptor.BindingSources.Add(bindingSource);
}));
}
public ShapeAlterationBuilder BoundAs(string bindingSource, Func <DisplayContext, Task <IHtmlContent> > bindingDelegate)
{
// schedule the configuration
return(Configure(descriptor =>
{
var binding = new ShapeBinding
{
BindingName = _bindingName,
BindingSource = bindingSource,
};
binding.BindingAsync = bindingDelegate;
// ShapeDescriptor.Bindings is a case insensitive dictionary
descriptor.Bindings[_bindingName] = binding;
descriptor.BindingSources.Add(bindingSource);
}));
}
