I recently had the following case . I was given the domain model bellow and was asked to provide a solution so a user could add schedules of the form Thu-Wen 14.15 / 16.45, Thu & Mon-Wen 22.15 /00.45, Sat,Sun 12.15 3D translated into with the maximum input speed. Xaf by its self is going to create for us a view like the one bellow for ...