//state immer erreichbar
public override State Handle(VHSContext.Events currentEvent, TapeState tapeState)
{
switch (currentEvent)
{
case VHSContext.Events.PlayClicked: //& tapeState==!TapeState._tapeEnd:
//if Tape in and not end
return(tapeState == TapeState._tapeIn ? _play : this);
case VHSContext.Events.ForwardClicked:
//if Tape in and not end
return(tapeState == TapeState._tapeIn ? _forward : this);
case VHSContext.Events.RewindClicked:
//if Tape in and not begin
return(tapeState == TapeState._tapeIn ? _reward : this);
case VHSContext.Events.RecordClicked:
//if Tape in and not end
return(tapeState == TapeState._tapeIn ? _record : this);
default:
//pressed StopButton again
return(this);
}
}
public override State Handle(VHSContext.Events currentEvent, TapeState tapeState)
{
switch (currentEvent)
{
case VHSContext.Events.StopClicked:
return(tapeState != TapeState._tapeOut ? _standBy : this);
default:
//no switch from record to rewind
//no switch from record to forward
//no switch from record to play
return(_record);
}
}
//nur ereichbar wenn tape in
public override State Handle(VHSContext.Events currentEvent, TapeState tapeState)
{
switch (currentEvent)
{
case VHSContext.Events.StopClicked:
return(tapeState != TapeState._tapeOut ? _standBy : this);
case VHSContext.Events.ForwardClicked:
return(tapeState != TapeState._tapeEnd ? _forward : this);
case VHSContext.Events.RewindClicked:
return(tapeState == TapeState._tapeIn ? _reward : this);
default:
//no switch from play to record
return(this);
}
}
//state nur erreichbar wenn tapestate == in
public override State Handle(VHSContext.Events currentEvent, TapeState tapeState)
{
switch (currentEvent)
{
case VHSContext.Events.PlayClicked:
//if Tape not end
return(tapeState != TapeState._tapeEnd ? _play: this);
case VHSContext.Events.StopClicked:
//if tape in
return(tapeState == TapeState._tapeIn ? _standBy : this);
case VHSContext.Events.ForwardClicked:
//if tape not end
return(tapeState != TapeState._tapeEnd ? _forward : this);
default:
//no switch from reward to record
return(_reward);
}
}
public VHSContext()
{
CurrentState = State._standBy;
tapeState = mytape.currTape;
}
public abstract State Handle(VHSContext.Events currentEvent, TapeState tapeState);
public TapeContext()
{
currTape = TapeState._tapeIn;
}
