} //获得天线离开波门通知
private void NotifyAllObservers(WaveGate gate, WaveGateSubjectNotifyState type)
{
foreach (IWaveGateObserver ob in obs)
{
ob.NotifyChange(gate, type);
}
} //主动通知所有观察者，有波门发生变化
protected override bool DotsCanCorelate(TargetDot dot1, TargetDot dot2)
{
WaveGate gate1 = waveGateDataProvider.IsTargetInWaveGate(dot1);
WaveGate gate2 = waveGateDataProvider.IsTargetInWaveGate(dot2);
if (gate1 != null && gate2 != null && gate1 == gate2)
{
return(true);
}
else
{
return(false);
}
}
public void NotifyLeaveAngleArea(AngleArea area)
{
WaveGate gate = (WaveGate)area;
gate.SweepCount = gate.SweepCount + 1; //该波门扫过计数加一
if (gate.SweepCount < SemiAutoWaveGateLife)
{
return;
}
Subject.UnregisterAngleArea(this, gate);
NotifyAllObservers(gate, WaveGateSubjectNotifyState.Delete);
waveGates.Remove(gate);
} //获得天线离开波门通知
public void AddWaveGate(WaveGate gate)
{
if (gate == null)
{
return;
}
waveGates.Add(gate);
if (gate.IsSemiAuto) //半自动波门注册，监视角度区域，天线扫出该波门获得通知
{
Subject.RegisterAngleArea(this, gate);
}
NotifyAllObservers(gate, WaveGateSubjectNotifyState.Add);
}
public void DelWaveGate(WaveGate gate)
{
if (gate == null)
{
return;
}
if (waveGates.Contains(gate))
{
waveGates.Remove(gate);
}
if (gate.IsSemiAuto) //手动删除的是半自动波门，反注册监听区域，天线扫出该区域不在获得通知
{
Subject.UnregisterAngleArea(this, gate);
}
NotifyAllObservers(gate, WaveGateSubjectNotifyState.Delete);
}