void Model_OnConnectorAttached(object sender, ConnectorsEventArgs e)
{
if (maskNDrives)
{
return;
}
bool wasMasked = maskMDrives;
try
{
maskMDrives = true;
IConnection con = _bridge.Model.ConnectorHolders[e.SubjectConnector] as IConnection;
// get rid of uninteresting situations
if (con != null)
{
if (con.From.AttachedTo == null || con.To.AttachedTo == null)
{
return;
}
}
else
{
con = _bridge.Model.ConnectorHolders[e.ObjectConnector] as IConnection;
if (con != null)
{
if (con.From.AttachedTo == null || con.To.AttachedTo == null)
{
return;
}
}
else
{
return;
}
}
// find out who connects to whom
IConnector portConnector = con.From.AttachedTo;
IShape portShape = (IShape)_bridge.Model.ConnectorHolders[portConnector];
IShape valueShape = (IShape)_bridge.Model.ConnectorHolders[con.To.AttachedTo];
PortShape port = portShape as PortShape;
if (port == null)
{
port = valueShape as PortShape;
if (port == null)
{
return;
}
valueShape = portShape; //ensure valueShape should now be either signal or bus
portConnector = con.To.AttachedTo;
}
SignalShape signal = valueShape as SignalShape;
if (signal != null)
{
// PORT <-> SIGNAL
int index = -1;
List <YttriumConnector> sl = port.InputConnectors;
for (int i = 0; i < sl.Count; i++)
{
if (sl[i] == portConnector)
{
index = i;
break;
}
}
if (index > -1)
{
PostCommandSignalDrivesPort(signal.SignalReference, port.PortReference, index);
return;
}
index = -1;
sl = port.OutputConnectors;
for (int i = 0; i < sl.Count; i++)
{
if (sl[i] == portConnector)
{
index = i;
break;
}
}
if (index > -1)
{
PostCommandPortDrivesSignal(signal.SignalReference, port.PortReference, index);
}
return;
}
BusShape bus = valueShape as BusShape;
if (bus != null)
{
// PORT <-> BUS
int index = -1;
List <YttriumConnector> bl = port.BusConnectors;
for (int i = 0; i < bl.Count; i++)
{
if (bl[i] == portConnector)
{
index = i;
break;
}
}
if (index > -1)
{
PostCommandBusAttachedToPort(bus.BusReference, port.PortReference, index);
}
return;
}
}
finally
{
maskMDrives = wasMasked;
}
}
void Model_OnConnectorDetached(object sender, ConnectorsEventArgs e)
{
if(maskNDrives)
return;
bool wasMasked = maskMDrives;
try
{
maskMDrives = true;
IConnection con = _bridge.Model.ConnectorHolders[e.SubjectConnector] as IConnection;
IConnector cr1 = e.ObjectConnector;
// get rid of uninteresting situations
if(con == null)
{
con = _bridge.Model.ConnectorHolders[e.ObjectConnector] as IConnection;
cr1 = e.SubjectConnector;
if(con == null)
return;
}
if(con.From.AttachedTo == null && con.To.AttachedTo == null)
return;
IConnector cr2 = con.From.AttachedTo == null ? con.To.AttachedTo : con.From.AttachedTo;
// find out who connects to whom
IConnector portConnector = cr1;
IShape portShape = (IShape)_bridge.Model.ConnectorHolders[portConnector];
IShape valueShape = (IShape)_bridge.Model.ConnectorHolders[cr2];
PortShape port = portShape as PortShape;
if(port == null)
{
port = valueShape as PortShape;
if(port == null)
return;
valueShape = portShape; //ensure valueShape should now be either signal or bus
portConnector = cr2;
}
SignalShape signal = valueShape as SignalShape;
if(signal != null)
{
// PORT <-> SIGNAL
int index = -1;
List<YttriumConnector> sl = port.InputConnectors;
for(int i = 0; i < sl.Count; i++)
{
if(sl[i] == portConnector)
{
index = i;
break;
}
}
if(index > -1)
{
PostCommandSignalDrivesPortNoLonger(port.PortReference, index);
return;
}
index = -1;
sl = port.OutputConnectors;
for(int i = 0; i < sl.Count; i++)
{
if(sl[i] == portConnector)
{
index = i;
break;
}
}
if(index > -1)
PostCommandPortDrivesSignalNoLonger(port.PortReference, index);
return;
}
BusShape bus = valueShape as BusShape;
if(bus != null)
{
// PORT <-> BUS
int index = -1;
List<YttriumConnector> bl = port.BusConnectors;
for(int i = 0; i < bl.Count; i++)
{
if(bl[i] == portConnector)
{
index = i;
break;
}
}
if(index > -1)
PostCommandBusDetachedFromPort(port.PortReference, index);
return;
}
}
finally
{
maskMDrives = wasMasked;
}
}
