public static ContractWindow CreateContractWindow(Window currentWindowView, ContractWindow contractView, ContractViewModel contractVM, MiddleClassModel MiddleModel)
{
try
{
// ensure only one view is loaded, and the same one remains open for multiple requests
contractView = contractView ?? new ContractWindow();
if (!contractView.IsLoaded)
{
contractView.Close();
contractView = new ContractWindow();
contractVM.MiddleModel = MiddleModel;
contractView.DataContext = contractVM;
currentWindowView.Close();
}
contractView.Show();
return(contractView);
}
catch (Exception ex)
{
MessageBox.Show("Error", ex.Message);
//System.Net.Mime.MediaTypeNames.Application.Current.Shutdown();
return(null);
}
}
private void Application_Startup(object sender, StartupEventArgs e)
{
try
{
AccountViewModel accountVM = new AccountViewModel();
MainViewModel mainVM = new MainViewModel();
ContractViewModel contractVM = new ContractViewModel();
ClientViewModel clientVM = new ClientViewModel();
RealEstateViewModel realEstateVM = new RealEstateViewModel();
EmployeeViewModel employeeVM = new EmployeeViewModel();
MainWindow mainView = null;
AccountWindow accountView = null;
ContractWindow contractView = null;
ClientWindow clientView = null;
RealEstateWindow realEstateView = null;
EmployeeWindow employeeView = null;
// open the Users screen
mainVM.ShowContractScreenAction += () =>
{
contractView = NavigationWindows.CreateContractWindow(mainView, contractView, contractVM, mainVM.MiddleModel);
};
mainVM.ShowClientScreenAction += () =>
{
clientView = NavigationWindows.CreateUserWindow(mainView, clientView, clientVM, mainVM.MiddleModel);
};
mainVM.ShowRealEstateScreenAction += () =>
{
realEstateView = NavigationWindows.CreateRealEstateWindow(mainView, realEstateView, realEstateVM, mainVM.MiddleModel);
};
mainVM.ShowWorkerScreenAction += () =>
{
employeeView = NavigationWindows.CreateEmployeeWindow(mainView, employeeView, employeeVM, mainVM.MiddleModel);
};
accountVM.ShowMainScreenAction += () =>
{
mainView = NavigationWindows.CreateMainWindow(accountView, mainView, mainVM, accountVM.MiddleModel);
};
clientVM.ShowContractScreenAction += () =>
{
contractView = NavigationWindows.CreateContractWindow(clientView, contractView, contractVM, clientVM.MiddleModel);
};
clientVM.ShowMainScreenAction += () =>
{
mainView = NavigationWindows.CreateMainWindow(clientView, mainView, mainVM, clientVM.MiddleModel);
};
realEstateVM.ShowContractScreenAction += () =>
{
contractView = NavigationWindows.CreateContractWindow(realEstateView, contractView, contractVM, realEstateVM.MiddleModel);
};
realEstateVM.ShowMainScreenAction += () =>
{
mainView = NavigationWindows.CreateMainWindow(realEstateView, mainView, mainVM, realEstateVM.MiddleModel);
};
contractVM.ShowMainScreenAction += () =>
{
mainView = NavigationWindows.CreateMainWindow(contractView, mainView, mainVM, contractVM.MiddleModel);
};
contractVM.ShowUserScreenAction += () =>
{
clientView = NavigationWindows.CreateUserWindow(contractView, clientView, clientVM, contractVM.MiddleModel);
};
contractVM.ShowRealEstateScreenAction += () =>
{
realEstateView = NavigationWindows.CreateRealEstateWindow(contractView, realEstateView, realEstateVM, contractVM.MiddleModel);
};
employeeVM.ShowMainScreenAction += () =>
{
mainView = NavigationWindows.CreateMainWindow(employeeView, mainView, mainVM, employeeVM.MiddleModel);
};
employeeVM.ShowContractScreenAction += () =>
{
contractView = NavigationWindows.CreateContractWindow(employeeView, contractView, contractVM, employeeVM.MiddleModel);
};
//mainView = new MainWindow();
//mainView.DataContext = mainVM;
//mainView.Show();
accountView = new AccountWindow();
accountView.DataContext = accountVM;
accountView.Show();
}
catch (Exception ex)
{
MessageBox.Show("Error", ex.Message);
Application.Current.Shutdown();
}
}