SewerGenerator/SewerStammGen/ViewModel/Factories/MainWindowViewModelFactory.cs

using SewerStammGen.Enum;
using SewerStammGen.Interface;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SewerStammGen.ViewModel.Factories
{
    public class MainWindowViewModelFactory : IViewModelAbstractFactory
    {
        private CreateViewModel<HomeViewModel> _createHomeViewModel;
        private CreateViewModel<EditManHoleViewModel> _createEditManholeViewModel;
        private CreateViewModel<SewerConnectorViewModel> _createSewerConnectorViewModel;

        public MainWindowViewModelFactory(
            CreateViewModel<HomeViewModel> createHomeViewModel,
            CreateViewModel<EditManHoleViewModel> createEditManholeViewModel,
            CreateViewModel<SewerConnectorViewModel> createSewerConnectorViewModel
            )
        {
            _createHomeViewModel = createHomeViewModel;
            _createEditManholeViewModel = createEditManholeViewModel;
            _createSewerConnectorViewModel = createSewerConnectorViewModel;
        }

        public BaseViewModel CreateViewModel(EMainWindowViewType viewType)
        {
            switch(viewType)
            {
                case EMainWindowViewType.Home:
                    return _createHomeViewModel();

                case EMainWindowViewType.EditSchacht:
                    return _createEditManholeViewModel();

                case EMainWindowViewType.SewerConnectionEdit:
                    return _createSewerConnectorViewModel();

                default:
                    throw new NotImplementedException();
            }
        }
    }
}