The DigitMeter.class is a GUI component used to dynamically display values
using an LED or LCD digital type meter display composed of seven-element
digits.
The DreierMagnetVentil class display MagnetVentil that can be changed
by mouse pressed events by changing its color of the round in the middle of the Ventil
On mouse release the button generates an action event object which is sent to
any registered action listeners.It sends a vector with the value for open and closed in/outputs
The Input is selected and the other two ways are the outputs which is selected on the connected beans
like gaslines or so on.