//管理配置文件的类
public SystemSettingViewModel(IUnityContainer container, IRegionManager regionManager)
{
this.container = container; this.regionManager = regionManager;
//初始化时从配置文件中载入基本配置，并在点击保存按钮时把配置保存下来
this.databaseAndSerialSettingsServices = new DatabaseAndSerialSettingsServices();
this.bookInformationServerSettings = databaseAndSerialSettingsServices.loadBookInformationServerSettings();
this.bookLocationServerSettings = databaseAndSerialSettingsServices.loadBookLocationServerSettings();
this.serialSettings = databaseAndSerialSettingsServices.loadSerialSettings();
//把配置信息放到容器中的相应对象中,因此这部分必须要比其他的viewModel和view首先被初始化
//此后容器里的两个数据库服务，和一个RFID服务就有了配置信息
IBookInformationService bookInformationSrv = this.container.Resolve <IBookInformationService>();
bookInformationSrv.ServerIp = BookInformationServer.IP;
bookInformationSrv.ServerUsername = BookInformationServer.Username;
bookInformationSrv.ServerPassword = BookInformationServer.Password;
IBookLocationService bookLocationSrv = container.Resolve <IBookLocationService>();
bookLocationSrv.ServerIp = BookLocationServer.IP;
bookLocationSrv.ServerUsername = BookLocationServer.Username;
bookLocationSrv.ServerPassword = BookLocationServer.Password;
ISerialService serialSrv = container.Resolve <ISerialService>();
serialSrv.Serial = Serial.Serial;
serialSrv.Speed = Serial.Speed;
//把系统配置信息放置在RFID服务中
IRFIDService rfidService = container.Resolve <IRFIDService>();
rfidService.HardwareInterface = serialSrv.Serial;
rfidService.HardwareInterfaceConnectionSpeed = serialSrv.Speed;
}
private static void readInputAndChangeStatus(UnityContainer container)
{
IRFIDService rfidService = container.Resolve <IRFIDService>();
String command = "";
while (true)
{
Console.Write("Input a command:");
command = Console.ReadLine();
if (command == "start")
{
rfidService.start();
Console.WriteLine("Start RFID！");
}
if (command == "stop")
{
rfidService.stop();
Console.WriteLine("Stop RFID！");
}
if (command.StartsWith("set"))
{
String[] strArray = command.Split(' ');
if (strArray.Length != 3)
{
continue;
}
rfidService.HardwareInterface = strArray[1];
rfidService.HardwareInterfaceConnectionSpeed = strArray[2];
}
}
}
public void OnNavigatedFrom(NavigationContext navigationContext)
{
IRFIDService rfidService = container.Resolve <IRFIDService>();
rfidService.stop();
eventAggregator.GetEvent <RFIDNewItemEvent>().Unsubscribe(handleNewItemFromRFID);
eventAggregator.GetEvent <RFIDHardwareEvent>().Unsubscribe(handleErrorFromRFID);
eventAggregator.GetEvent <DatabaseEvent>().Unsubscribe(handleErrorFromDatabase);
}
public void OnNavigatedFrom(NavigationContext navigationContext)
{
//throw new NotImplementedException();
//取消订阅该事件,在此之前先关闭rfid后台扫描线程
IRFIDService rfidService = container.Resolve <IRFIDService>();
rfidService.stop();
eventAggregator.GetEvent <RFIDNewItemEvent>().Unsubscribe(handleNewItemFromRFID);
eventAggregator.GetEvent <RFIDHardwareEvent>().Unsubscribe(handleErrorFromRFID);
}
public static void testRFID(UnityContainer container) //测试程序入口
{
IEventAggregator eventAggregator = container.Resolve <IEventAggregator>();
eventAggregator.GetEvent <RFIDHardwareEvent>().Subscribe(RFIDFailureHander);
eventAggregator.GetEvent <RFIDNewItemEvent>().Subscribe(RFIDNewItemHander);
IRFIDService rfidService = container.Resolve <IRFIDService>();
rfidService.HardwareInterface = "";
rfidService.HardwareInterfaceConnectionSpeed = "";
rfidService.start();
readInputAndChangeStatus(container);
Console.ReadLine();
}
public void OnNavigatedTo(NavigationContext navigationContext)
{
//ISerialService serialService = container.Resolve<ISerialService>();
//IBookInformationService bookInformationService = container.Resolve<IBookInformationService>();
//IBookLocationService bookLocationService = container.Resolve<IBookLocationService>();
IRFIDService rfidService = container.Resolve <IRFIDService>();
//开始读取RFID的信息，并查询数据库
eventAggregator.GetEvent <RFIDNewItemEvent>().Subscribe(handleNewItemFromRFID);
//开始订阅RFID服务发出的事件，这个事件是扫描到的条码的信息，在该view非激活时务必取消此事件的订阅
eventAggregator.GetEvent <RFIDHardwareEvent>().Subscribe(handleErrorFromRFID);
eventAggregator.GetEvent <DatabaseEvent>().Subscribe(handleErrorFromDatabase);
rfidService.start();//开启rfid的后台扫描线程
}
public RFIDController(IRFIDService objSvc, IStockDetailsService objSDC)
{
this.objSvc = objSvc as RFIDService;
this.objSDC = objSDC as StockDetailsService;
}
