init

Common/DTS.Common/RegionManager/DTSRegionManager.cs

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+using System;
+using System.Linq;
+using System.Runtime.Remoting.Lifetime;
+using System.Threading.Tasks;
+using System.Windows;
+using DTS.Common.Classes;
+using DTS.Common.Events;
+using DTS.Common.Interface;
+using DTS.Common.Base;
+using Prism.Regions;
+using Prism.Events;
+using Unity;
+namespace DTS.Common
+{
+    public class DTSRegionManager : IDTSRegionManager
+    {
+        /// <summary>
+        /// Injected unity container
+        /// </summary>
+        private readonly IUnityContainer _unityContainer;
+
+        /// <summary>
+        /// Injected region manager
+        /// </summary>
+        private readonly IRegionManager _regionManager;
+
+        /// <summary>
+        /// Injected event aggregator
+        /// </summary>
+        private readonly IEventAggregator _eventAggregator;
+
+        /// <summary>
+        /// Creates a new instance of the <see cref="DTSRegionManager"/> class.
+        /// </summary>
+        /// <param name="unityContainer">Obtained reference of the unity container by using dependency injection.</param>
+        /// <param name="regionManager">Obtained reference of the region manager by using dependency injection.</param>
+        /// <param name="eventAggregator">Obtained reference of the event aggregator by using dependency injection.</param>
+        public DTSRegionManager(IUnityContainer unityContainer, IRegionManager regionManager, IEventAggregator eventAggregator)
+        {
+            _unityContainer = unityContainer;
+            _regionManager = regionManager;
+            _eventAggregator = eventAggregator;
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public void AddView(ViewDefinition viewDefinition, object parameter)
+        {
+            AddView(viewDefinition, parameter, false);
+        }
+
+        private IShellViewModel GetShellViewModelByRegionName(string regionName)
+        {
+            IShellViewModel shellVm = null;
+
+            shellVm = _unityContainer.Resolve<IShellViewModel>();
+            //TODO: Add more stuff
+            return shellVm;
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        public void AddView(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances)
+        {
+            var shell = _unityContainer.Resolve<IShellViewModel>();
+
+            var viewModel = (IBaseViewModel)_unityContainer.Resolve(viewDefinition.ViewModelInterfaceType);
+            var view = (IBaseView)_unityContainer.Resolve(viewDefinition.ViewInterfaceType);
+            view.DataContext = viewModel;
+
+            _regionManager.AddViewToRegion(viewDefinition.RegionName, view);
+            _regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType);
+
+            if (parameter == null)
+                viewModel.Initialize();
+            else
+                viewModel.Initialize(parameter);
+
+            switch (viewDefinition.RegionName)
+            {
+                case RegionNames.MainRegion:
+                    shell.ContextMainRegion = view;
+                    break;
+            }
+
+            //IShellViewModel shellVm = GetShellViewModelByRegionName(viewDefinition.RegionName);
+            //if (shellVm != null)
+            //{
+            //    shellVm.ContextMainRegion = view;
+            //}
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public async Task AddViewAsync(ViewDefinition viewDefinition, object parameter)
+        {
+            await AddViewAsync(viewDefinition, parameter, false);
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        public async Task AddViewAsync(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances)
+        {
+            try
+            {
+                if (!allowMultipleInstances)
+                {
+                    if (_regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType))
+                        return;
+                }
+
+                var viewModel = (IBaseViewModel)_unityContainer.Resolve(viewDefinition.ViewModelInterfaceType);
+                var view = (IBaseView)_unityContainer.Resolve(viewDefinition.ViewInterfaceType);
+                view.DataContext = viewModel;
+
+                _regionManager.AddViewToRegion(viewDefinition.RegionName, view);
+                _regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType);
+
+                if (parameter == null)
+                    await viewModel.InitializeAsync();
+                else
+                    await viewModel.InitializeAsync(parameter);
+
+                var shellVm = GetShellViewModelByRegionName(viewDefinition.RegionName);
+
+                if (shellVm != null)
+                {
+                    shellVm.ContextMainRegion = view;
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>()
+                                .Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        /// <summary>
+        /// Removes View from the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewModel">The View-model.</param>
+        public void RemoveView(IBaseViewModel viewModel)
+        {
+            // Jtacc is composed of three regions(three shells)
+            foreach (var region in _regionManager.Regions)
+            {
+                var view =
+                    region.Views.FirstOrDefault(
+                        v => v is IBaseView && ReferenceEquals(((IBaseView)v).DataContext, viewModel));
+
+                if (view != null)
+                {
+                    viewModel.Cleanup();
+                    region.Deactivate(view);
+                    region.Remove(view);
+                }
+            }
+        }
+
+        public void RemoveViewByRegionName(string regionName)
+        {
+            _regionManager.ClearRegion(regionName);
+        }
+
+        /// <summary>
+        /// Reloads data for the specified View.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public void RefreshView(Type interfaceForView, object parameter)
+        {
+            try
+            {
+                foreach (var region in _regionManager.Regions)
+                {
+                    var existingView = _regionManager.GetView(region.Name, interfaceForView) as IBaseView;
+
+                    if (existingView != null)
+                    {
+                        var viewModel = existingView.DataContext as IBaseViewModel;
+                        if (viewModel != null)
+                        {
+                            viewModel.Cleanup();
+
+                            if (parameter == null)
+                                viewModel.Initialize();
+                            else
+                                viewModel.Initialize(parameter);
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>().Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        /// <summary>
+        /// Reloads data for the specified View asynchronously.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public async Task RefreshViewAsync(Type interfaceForView, object parameter)
+        {
+            //TODO: fix so that it finds view in right view.
+            try
+            {
+                foreach (var region in _regionManager.Regions)
+                {
+                    var existingView =
+                        _regionManager.GetView(region.Name, interfaceForView) as IBaseView;
+                    if (existingView == null) continue;
+                    var viewModel = existingView.DataContext as IBaseViewModel;
+                    if (viewModel == null) continue;
+                    await viewModel.CleanupAsync();
+
+                    if (parameter == null)
+                        await viewModel.InitializeAsync();
+                    else
+                        await viewModel.InitializeAsync(parameter);
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>().Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        public IRegionCollection Regions { get; private set; }
+        public IRegionManager CreateRegionManager()
+        {
+            return new RegionManager();
+        }
+
+        public IRegionManager AddToRegion(string regionName, object view)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager AddToRegion(string regionName, string viewName)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager RegisterViewWithRegion(string regionName, string viewName)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager RegisterViewWithRegion(string regionName, Type viewType)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager RegisterViewWithRegion(string regionName, Func<object> getContentDelegate)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri source, Action<NavigationResult> navigationCallback)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri source)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string source, Action<NavigationResult> navigationCallback)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string source)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri target, Action<NavigationResult> navigationCallback, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string target, Action<NavigationResult> navigationCallback, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri target, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string target, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Common/DTS.Common/RegionManager/DTSViewRegionManager.cs

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+using System;
+using System.Linq;
+using System.Runtime.Remoting.Lifetime;
+using System.Threading.Tasks;
+using System.Windows;
+using DTS.Common.Classes;
+using DTS.Common.Events;
+using DTS.Common.Interface;
+using DTS.Common.Base;
+using Prism.Regions;
+using Prism.Events;
+using Unity;
+// ReSharper disable InconsistentNaming
+// ReSharper disable CheckNamespace
+namespace DTS.Common
+{
+    public class DTSViewRegionManager : IDTSViewRegionManager
+    {
+        /// <summary>
+        /// Injected unity container
+        /// </summary>
+        private readonly IUnityContainer _unityContainer;
+
+        /// <summary>
+        /// Injected region manager
+        /// </summary>
+        private readonly IRegionManager _regionManager;
+
+        /// <summary>
+        /// Injected event aggregator
+        /// </summary>
+        private readonly IEventAggregator _eventAggregator;
+
+        /// <summary>
+        /// Creates a new instance of the <see cref="DTSRegionManager"/> class.
+        /// </summary>
+        /// <param name="unityContainer">Obtained reference of the unity container by using dependency injection.</param>
+        /// <param name="regionManager">Obtained reference of the region manager by using dependency injection.</param>
+        /// <param name="eventAggregator">Obtained reference of the event aggregator by using dependency injection.</param>
+        public DTSViewRegionManager(IUnityContainer unityContainer, IRegionManager regionManager, IEventAggregator eventAggregator)
+        {
+            _unityContainer = unityContainer;
+            _regionManager = regionManager;
+            _eventAggregator = eventAggregator;
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public void AddView(ViewDefinition viewDefinition, object parameter)
+        {
+            AddView(viewDefinition, parameter, false);
+        }
+
+        private IShellViewModel GetShellViewModelByRegionName(string regionName)
+        {
+            IShellViewModel shellVm = null;
+            shellVm = _unityContainer.Resolve<IShellViewModel>();
+            return shellVm;
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        public void AddView(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances)
+        {
+            var shell = _unityContainer.Resolve<IShellViewModel>();
+
+            var viewModel = (IBaseViewModel)_unityContainer.Resolve(viewDefinition.ViewModelInterfaceType);
+            var view = (IBaseView)_unityContainer.Resolve(viewDefinition.ViewInterfaceType);
+            view.DataContext = viewModel;
+
+            _regionManager.AddViewToRegion(viewDefinition.RegionName, view);
+            _regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType);
+
+            if (parameter == null)
+                viewModel.Initialize();
+            else
+                viewModel.Initialize(parameter);
+
+            switch (viewDefinition.RegionName)
+            {
+                case RegionNames.MainRegion:
+                    shell.ContextMainRegion = view;
+                    break;
+            }
+
+            //IShellViewModel shellVm = GetShellViewModelByRegionName(viewDefinition.RegionName);
+            //if (shellVm != null)
+            //{
+            //    shellVm.ContextMainRegion = view;
+            //}
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public async Task AddViewAsync(ViewDefinition viewDefinition, object parameter)
+        {
+            await AddViewAsync(viewDefinition, parameter, false);
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        public async Task AddViewAsync(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances)
+        {
+            try
+            {
+                if (!allowMultipleInstances)
+                {
+                    if (_regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType))
+                        return;
+                }
+
+                var viewModel = (IBaseViewModel)_unityContainer.Resolve(viewDefinition.ViewModelInterfaceType);
+                var view = (IBaseView)_unityContainer.Resolve(viewDefinition.ViewInterfaceType);
+                view.DataContext = viewModel;
+
+                _regionManager.AddViewToRegion(viewDefinition.RegionName, view);
+                _regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType);
+
+                if (parameter == null)
+                    await viewModel.InitializeAsync();
+                else
+                    await viewModel.InitializeAsync(parameter);
+
+                var shellVm = GetShellViewModelByRegionName(viewDefinition.RegionName);
+
+                if (shellVm != null)
+                {
+                    shellVm.ContextMainRegion = view;
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>()
+                                .Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        /// <summary>
+        /// Removes View from the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewModel">The View-model.</param>
+        public void RemoveView(IBaseViewModel viewModel)
+        {
+            // Jtacc is composed of three regions(three shells)
+            foreach (var region in _regionManager.Regions)
+            {
+                var view =
+                    region.Views.FirstOrDefault(
+                        v => v is IBaseView && ReferenceEquals(((IBaseView)v).DataContext, viewModel));
+
+                if (view != null)
+                {
+                    viewModel.Cleanup();
+                    region.Deactivate(view);
+                    region.Remove(view);
+                }
+            }
+        }
+
+        public void RemoveViewByRegionName(string regionName)
+        {
+            _regionManager.ClearRegion(regionName);
+        }
+
+        /// <summary>
+        /// Reloads data for the specified View.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public void RefreshView(Type interfaceForView, object parameter)
+        {
+            try
+            {
+                foreach (var region in _regionManager.Regions)
+                {
+                    var existingView = _regionManager.GetView(region.Name, interfaceForView) as IBaseView;
+
+                    if (existingView != null)
+                    {
+                        var viewModel = existingView.DataContext as IBaseViewModel;
+                        if (viewModel != null)
+                        {
+                            viewModel.Cleanup();
+
+                            if (parameter == null)
+                                viewModel.Initialize();
+                            else
+                                viewModel.Initialize(parameter);
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>().Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        /// <summary>
+        /// Reloads data for the specified View asynchronously.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public async Task RefreshViewAsync(Type interfaceForView, object parameter)
+        {
+            //TODO: fix so that it finds view in right view.
+            try
+            {
+                foreach (var region in _regionManager.Regions)
+                {
+                    var existingView =
+                        _regionManager.GetView(region.Name, interfaceForView) as IBaseView;
+                    if (existingView == null) continue;
+                    var viewModel = existingView.DataContext as IBaseViewModel;
+                    if (viewModel == null) continue;
+                    await viewModel.CleanupAsync();
+
+                    if (parameter == null)
+                        await viewModel.InitializeAsync();
+                    else
+                        await viewModel.InitializeAsync(parameter);
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>().Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        public IRegionCollection Regions { get; private set; }
+        public IRegionManager CreateRegionManager()
+        {
+            return new RegionManager();
+        }
+
+        public IRegionManager AddToRegion(string regionName, object view)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager AddToRegion(string regionName, string viewName)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager RegisterViewWithRegion(string regionName, string viewName)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager RegisterViewWithRegion(string regionName, Type viewType)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IRegionManager RegisterViewWithRegion(string regionName, Func<object> getContentDelegate)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri source, Action<NavigationResult> navigationCallback)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri source)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string source, Action<NavigationResult> navigationCallback)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string source)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri target, Action<NavigationResult> navigationCallback, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string target, Action<NavigationResult> navigationCallback, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, Uri target, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void RequestNavigate(string regionName, string target, NavigationParameters navigationParameters)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Common/DTS.Common/RegionManager/DataProRegionManager.cs

@@ -0,0 +1,273 @@
+using System;
+using System.Linq;
+using System.Runtime.Remoting.Lifetime;
+using System.Threading.Tasks;
+using System.Windows;
+using DTS.Common.Classes;
+using DTS.Common.Events;
+using DTS.Common.Interface;
+using DTS.Common.Base;
+using Microsoft.Practices.Prism.Regions;
+using Microsoft.Practices.Prism.Events;
+using Microsoft.Practices.Unity;
+namespace DTS.Common
+{
+    public class DataProRegionManager : IDataProRegionManager
+    {
+        /// <summary>
+        /// Injected unity container
+        /// </summary>
+        private readonly IUnityContainer _unityContainer;
+
+        /// <summary>
+        /// Injected region manager
+        /// </summary>
+        private readonly IRegionManager _regionManager;
+
+        /// <summary>
+        /// Injected event aggregator
+        /// </summary>
+        private readonly IEventAggregator _eventAggregator;
+
+        /// <summary>
+        /// Creates a new instance of the <see cref="DataProRegionManager"/> class.
+        /// </summary>
+        /// <param name="unityContainer">Obtained reference of the unity container by using dependency injection.</param>
+        /// <param name="regionManager">Obtained reference of the region manager by using dependency injection.</param>
+        /// <param name="eventAggregator">Obtained reference of the event aggregator by using dependency injection.</param>
+        public DataProRegionManager(IUnityContainer unityContainer, IRegionManager regionManager,
+                                  IEventAggregator eventAggregator)
+        {
+            _unityContainer = unityContainer;
+            _regionManager = regionManager;
+            _eventAggregator = eventAggregator;
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public void AddView(ViewDefinition viewDefinition, object parameter)
+        {
+            AddView(viewDefinition, parameter, false);
+        }
+
+        private IShellViewModel GetShellViewModelByRegionName(string regionName)
+        {
+            IShellViewModel shellVm = null;
+
+            if (regionName == RegionNames.MainRegion)
+            {
+                shellVm = _unityContainer.Resolve<IShellViewModel>();
+            }
+            //TODO: Add more stuff
+            /*
+            else if (regionName == RegionNames.BottomRegion)
+            {
+                shellVm = _unityContainer.Resolve<IShellViewModel2>();
+            }
+            else if (regionName == RegionNames.RightRegion)
+            {
+                shellVm = _unityContainer.Resolve<IShellViewModel3>();
+            }
+            */
+            return shellVm;
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        public void AddView(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances)
+        {
+            IShellViewModel shell = _unityContainer.Resolve<IShellViewModel>();
+
+            var viewModel = (IBaseViewModel)_unityContainer.Resolve(viewDefinition.ViewModelInterfaceType);
+            var view = (IBaseView)_unityContainer.Resolve(viewDefinition.ViewInterfaceType);
+            view.DataContext = viewModel;
+
+            _regionManager.AddViewToRegion(viewDefinition.RegionName, view);
+            _regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType);
+
+            if (parameter == null)
+                viewModel.Initialize();
+            else
+                viewModel.Initialize(parameter);
+
+            switch (viewDefinition.RegionName)
+            {
+                case RegionNames.NavigationRegion:
+                    shell.ContextNavigationRegion = view;
+                    break;
+                case RegionNames.MainRegion:
+                    shell.ContextMainRegion = view;
+                    break;
+            }
+
+            //IShellViewModel shellVm = GetShellViewModelByRegionName(viewDefinition.RegionName);
+            //if (shellVm != null)
+            //{
+            //    shellVm.ContextMainRegion = view;
+            //}
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public async Task AddViewAsync(ViewDefinition viewDefinition, object parameter)
+        {
+            await AddViewAsync(viewDefinition, parameter, false);
+        }
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        public async Task AddViewAsync(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances)
+        {
+            try
+            {
+                if (!allowMultipleInstances)
+                {
+                    if (_regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType))
+                        return;
+                }
+
+                var viewModel = (IBaseViewModel)_unityContainer.Resolve(viewDefinition.ViewModelInterfaceType);
+                var view = (IBaseView)_unityContainer.Resolve(viewDefinition.ViewInterfaceType);
+                view.DataContext = viewModel;
+
+                _regionManager.AddViewToRegion(viewDefinition.RegionName, view);
+                _regionManager.ActivateViewIfExists(viewDefinition.RegionName, viewDefinition.ViewInterfaceType);
+
+                if (parameter == null)
+                    await viewModel.InitializeAsync();
+                else
+                    await viewModel.InitializeAsync(parameter);
+
+                IShellViewModel shellVm = GetShellViewModelByRegionName(viewDefinition.RegionName);
+
+                if (shellVm != null)
+                {
+                    shellVm.ContextMainRegion = view;
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>()
+                                .Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        /// <summary>
+        /// Removes View from the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewModel">The View-model.</param>
+        public void RemoveView(IBaseViewModel viewModel)
+        {
+            // Jtacc is composed of three regions(three shells)
+            foreach (var region in _regionManager.Regions)
+            {
+                var view =
+                    region.Views.FirstOrDefault(
+                        v => v is IBaseView && ReferenceEquals(((IBaseView)v).DataContext, viewModel));
+
+                if (view != null)
+                {
+                    viewModel.Cleanup();
+                    region.Deactivate(view);
+                    region.Remove(view);
+                }
+            }
+        }
+
+        public void RemoveViewByRegionName(string regionName)
+        {
+            _regionManager.ClearRegion(regionName);
+        }
+
+        /// <summary>
+        /// Reloads data for the specified View.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public void RefreshView(Type interfaceForView, object parameter)
+        {
+            try
+            {
+                foreach (var region in _regionManager.Regions)
+                {
+                    var existingView = _regionManager.GetView(region.Name, interfaceForView) as IBaseView;
+
+                    if (existingView != null)
+                    {
+                        var viewModel = existingView.DataContext as IBaseViewModel;
+                        if (viewModel != null)
+                        {
+                            viewModel.Cleanup();
+
+                            if (parameter == null)
+                                viewModel.Initialize();
+                            else
+                                viewModel.Initialize(parameter);
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>()
+                                .Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        /// <summary>
+        /// Reloads data for the specified View asynchronously.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        public async Task RefreshViewAsync(Type interfaceForView, object parameter)
+        {
+            //TODO: fix so that it finds view in right view.
+            try
+            {
+                foreach (var region in _regionManager.Regions)
+                {
+                    var existingView =
+                        _regionManager.GetView(region.Name, interfaceForView) as IBaseView;
+                    if (existingView != null)
+                    {
+                        var viewModel = existingView.DataContext as IBaseViewModel;
+                        if (viewModel != null)
+                        {
+                            await viewModel.CleanupAsync();
+
+                            if (parameter == null)
+                                await viewModel.InitializeAsync();
+                            else
+                                await viewModel.InitializeAsync(parameter);
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _eventAggregator.GetEvent<RaiseNotification>()
+                                .Publish(new NotificationContentEventArgs(Utility.GetAllErrorMessages(ex)));
+            }
+        }
+
+        public IRegionCollection Regions { get; private set; }
+        public IRegionManager CreateRegionManager()
+        {
+            return  new RegionManager();
+        }
+    }
+}

Common/DTS.Common/RegionManager/IDTSRegionManager.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Threading.Tasks;
+using DTS.Common.Base;
+using Prism.Regions;
+// ReSharper disable InconsistentNaming
+// ReSharper disable CheckNamespace
+
+namespace DTS.Common
+{
+    public interface IDTSRegionManager : IRegionManager
+    {
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        void AddView(ViewDefinition viewDefinition, object parameter);
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        void AddView(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances);
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the service.</param>
+        Task AddViewAsync(ViewDefinition viewDefinition, object parameter);
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        Task AddViewAsync(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances);
+
+        /// <summary>
+        /// Removes View from the Main Region.
+        /// </summary>
+        /// <param name="viewModel">The View-model.</param>
+        void RemoveView(IBaseViewModel viewModel);
+
+        /// <summary>
+        /// Removes View from the specified region by name
+        /// </summary>
+        /// <param name="regionName"></param>
+        void RemoveViewByRegionName(string regionName);
+
+        /// <summary>
+        /// Reloads data for the specified View.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        void RefreshView(Type interfaceForView, object parameter);
+
+        /// <summary>
+        /// Reloads data for the specified View asynchronously.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        Task RefreshViewAsync(Type interfaceForView, object parameter);
+    }
+}

Common/DTS.Common/RegionManager/IDTSViewRegionManager.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Threading.Tasks;
+using DTS.Common.Base;
+using Prism.Regions;
+// ReSharper disable InconsistentNaming
+// ReSharper disable CheckNamespace
+
+namespace DTS.Common
+{
+    public interface IDTSViewRegionManager : IRegionManager
+    {
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        void AddView(ViewDefinition viewDefinition, object parameter);
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        void AddView(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances);
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the service.</param>
+        Task AddViewAsync(ViewDefinition viewDefinition, object parameter);
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        Task AddViewAsync(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances);
+
+        /// <summary>
+        /// Removes View from the Main Region.
+        /// </summary>
+        /// <param name="viewModel">The View-model.</param>
+        void RemoveView(IBaseViewModel viewModel);
+
+        /// <summary>
+        /// Removes View from the specified region by name
+        /// </summary>
+        /// <param name="regionName"></param>
+        void RemoveViewByRegionName(string regionName);
+
+        /// <summary>
+        /// Reloads data for the specified View.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        void RefreshView(Type interfaceForView, object parameter);
+
+        /// <summary>
+        /// Reloads data for the specified View asynchronously.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        Task RefreshViewAsync(Type interfaceForView, object parameter);
+    }
+}

Common/DTS.Common/RegionManager/IDataProRegionManager.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Threading.Tasks;
+using DTS.Common.Base;
+using Microsoft.Practices.Prism.Regions;
+
+namespace DTS.Common
+{
+    public interface IDataProRegionManager : IRegionManager
+    {
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        void AddView(ViewDefinition viewDefinition, object parameter);
+
+        /// <summary>
+        /// Adds View to the Main Region.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        void AddView(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances);
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the service.</param>
+        Task AddViewAsync(ViewDefinition viewDefinition, object parameter);
+
+        /// <summary>
+        /// Adds View to the Main Region asynchronously.
+        /// </summary>
+        /// <param name="viewDefinition">The View definition.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        /// <param name="allowMultipleInstances">A value indicating whether to allow to create the multiple views.</param>
+        Task AddViewAsync(ViewDefinition viewDefinition, object parameter, bool allowMultipleInstances);
+
+        /// <summary>
+        /// Removes View from the Main Region.
+        /// </summary>
+        /// <param name="viewModel">The View-model.</param>
+        void RemoveView(IBaseViewModel viewModel);
+
+        /// <summary>
+        /// Removes View from the specified region by name
+        /// </summary>
+        /// <param name="regionName"></param>
+        void RemoveViewByRegionName(string regionName);
+
+        /// <summary>
+        /// Reloads data for the specified View.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        void RefreshView(Type interfaceForView, object parameter);
+
+        /// <summary>
+        /// Reloads data for the specified View asynchronously.
+        /// </summary>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <param name="parameter">The parameter which uses to initialize the View.</param>
+        Task RefreshViewAsync(Type interfaceForView, object parameter);
+    }
+}

Common/DTS.Common/RegionManager/RegionAdapters/StackPanelRegionAdapter.cs

@@ -0,0 +1,54 @@
+using System.Collections.Specialized;
+using System.Windows;
+using System.Windows.Controls;
+using Prism.Regions;
+
+namespace DTS.Common
+{
+    public class StackPanelRegionAdapter : RegionAdapterBase<StackPanel>
+    {
+
+        public StackPanelRegionAdapter(IRegionBehaviorFactory regionBehaviorFactory)
+            : base(regionBehaviorFactory)
+        {
+        }
+
+        protected override void Adapt(IRegion region, StackPanel regionTarget)
+        {
+            if (region == null) return;
+
+            region.Views.CollectionChanged += (sender, e) =>
+            {
+                switch (e.Action)
+                {
+                    case NotifyCollectionChangedAction.Add:
+
+                        foreach (UIElement element in e.NewItems)
+                        {
+                            regionTarget.Children.Add(element);
+                        }
+                        break;
+
+                    case NotifyCollectionChangedAction.Remove:
+
+                        foreach (UIElement elementLoopVariable in e.OldItems)
+                        {
+                            var element = elementLoopVariable;
+
+                            if (regionTarget.Children.Contains(element))
+                            {
+                                regionTarget.Children.Remove(element);
+                            }
+                        }
+                        break;
+                }
+            };
+        }
+
+        protected override IRegion CreateRegion()
+        {
+            return new AllActiveRegion();
+        }
+    }
+
+}

Common/DTS.Common/RegionManager/RegionAdapters/ViewerStackPanelRegionAdapter.cs

@@ -0,0 +1,54 @@
+using System.Collections.Specialized;
+using System.Windows;
+using System.Windows.Controls;
+using Prism.Regions;
+
+namespace DTS.Common
+{
+    public class ViewerStackPanelRegionAdapter : RegionAdapterBase<StackPanel>
+    {
+
+        public ViewerStackPanelRegionAdapter(IRegionBehaviorFactory regionBehaviorFactory)
+            : base(regionBehaviorFactory)
+        {
+        }
+
+        protected override void Adapt(IRegion region, StackPanel regionTarget)
+        {
+            if (region == null) return;
+
+            region.Views.CollectionChanged += (sender, e) =>
+            {
+                switch (e.Action)
+                {
+                    case NotifyCollectionChangedAction.Add:
+
+                        foreach (UIElement element in e.NewItems)
+                        {
+                            regionTarget.Children.Add(element);
+                        }
+                        break;
+
+                    case NotifyCollectionChangedAction.Remove:
+
+                        foreach (UIElement elementLoopVariable in e.OldItems)
+                        {
+                            var element = elementLoopVariable;
+
+                            if (regionTarget.Children.Contains(element))
+                            {
+                                regionTarget.Children.Remove(element);
+                            }
+                        }
+                        break;
+                }
+            };
+        }
+
+        protected override IRegion CreateRegion()
+        {
+            return new AllActiveRegion();
+        }
+    }
+
+}

Common/DTS.Common/RegionManager/RegionManagerExtensions.cs

@@ -0,0 +1,203 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using DTS.Common.Base;
+using Prism.Regions;
+
+namespace DTS.Common
+{
+    /// <summary>
+    /// Provides extention for the RegionManager .
+    /// </summary>
+    public static class RegionManagerExtensions
+    {
+        /// <summary>
+        /// Clears the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        public static void ClearRegion(this IRegionManager regionManager, string regionName)
+        {
+            regionManager.Regions[regionName].Views.ToList()
+                .ForEach(view => RemoveView(regionManager, view));
+        }
+
+        /// <summary>
+        /// Gets a list of views from the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        /// <param name="interfaceForView">Type of the views' interface.</param>
+        /// <returns>A list of views.</returns>
+        public static IList<object> GetViews(this IRegionManager regionManager, string regionName, Type interfaceForView)
+        {
+            var views = new List<object>();
+
+            regionManager.Regions[regionName].Views.ToList()
+               .ForEach(view =>
+               {
+                   if (interfaceForView.IsInstanceOfType(view))
+                       views.Add(view);
+               });
+
+            return views;
+        }
+
+        /// <summary>
+        /// Gets a View from the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        /// <param name="interfaceForView">Type of the View's interface.</param>
+        /// <returns>A View.</returns>
+        public static object GetView(this IRegionManager regionManager, string regionName, Type interfaceForView)
+        {
+            object view = null;
+            regionManager.Regions[regionName].Views.ToList()
+               .ForEach(aView =>
+               {
+                   if (interfaceForView.IsInstanceOfType(aView))
+                       view = aView;
+               });
+
+            return view;
+        }
+
+        /// <summary>
+        /// Activates a View in the specified region in case View exists.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        /// <param name="viewType">Type of the View.</param>
+        /// <returns></returns>
+        public static bool ActivateViewIfExists(this IRegionManager regionManager, string regionName, Type viewType)
+        {
+            var returnValue = false;
+            var existingView = regionManager.GetView(regionName, viewType) as IBaseView;
+            if (existingView != null)
+            {
+                returnValue = true;
+                regionManager.ActivateSingleView(regionName, existingView);
+            }
+            return returnValue;
+        }
+
+        private static void ActivateSingleView(this IRegionManager regionManager, string regionName, IBaseView existingView)
+        {
+            regionManager.Regions[regionName].Activate(existingView);
+            var viewModel = existingView.DataContext as IBaseViewModel;
+            if (viewModel != null)
+            {
+                viewModel.Activated();
+            }
+        }
+
+        /// <summary>
+        /// Deactivates views in the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        public static void DeactivateViews(this IRegionManager regionManager, string regionName)
+        {
+            var activeViews = regionManager.Regions[regionName].ActiveViews.ToList();
+            if (activeViews.Count > 0)
+            {
+                activeViews.ForEach(one => regionManager.Regions[regionName].Deactivate(one));
+            }
+        }
+
+        /// <summary>
+        /// Removes views from the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        public static void RemoveViews(this IRegionManager regionManager, string regionName)
+        {
+            var activeViews = regionManager.Regions[regionName].ActiveViews.ToList();
+            if (activeViews.Count > 0)
+            {
+                activeViews.ForEach(one => regionManager.Regions[regionName].Remove(one));
+            }
+        }
+
+        /// <summary>
+        /// Activates a single View in the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        public static void ActivateLastView(this IRegionManager regionManager, string regionName)
+        {
+            var activeViews = regionManager.Regions[regionName].ActiveViews.ToList();
+            if (activeViews.Count > 0)
+            {
+                var existingView = activeViews.Last() as IBaseView;
+                if (existingView != null)
+                {
+                    regionManager.ActivateSingleView(regionName, existingView);
+                }
+            }
+            else
+            {
+                activeViews = regionManager.Regions[regionName].Views.ToList();
+                if (activeViews.Count > 0)
+                {
+                    var existingView = activeViews.Last() as IBaseView;
+                    if (existingView != null)
+                    {
+                        regionManager.ActivateSingleView(regionName, existingView);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Adds a View to the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        /// <param name="view">A View.</param>
+        public static void AddViewToRegion(this IRegionManager regionManager, string regionName, object view)
+        {
+            regionManager.Regions[regionName].Add(view);
+        }
+
+        /// <summary>
+        /// Adds a View to the specified region and activates it.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        /// <param name="view">A View.</param>
+        public static void AddViewToRegionActivate(this IRegionManager regionManager, string regionName, object view)
+        {
+            regionManager.Regions[regionName].Add(view);
+            regionManager.Regions[regionName].Activate(view);
+        }
+
+        /// <summary>
+        /// Removes a specified View from all regions.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="view">A View to be removed.</param>
+        public static void RemoveView(this IRegionManager regionManager, object view)
+        {
+            foreach (var region in regionManager.Regions)
+            {
+                if (region.Views.Contains(view))
+                    region.Remove(view);
+            }
+        }
+
+        /// <summary>
+        /// Removes a specified View from the specified region.
+        /// </summary>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="regionName">The region name.</param>
+        /// <param name="view">A View to be removed.</param>
+        public static void RemoveView(this IRegionManager regionManager, string regionName, object view)
+        {
+            var region = regionManager.Regions[regionName];
+            region.Deactivate(view);
+            region.Remove(view);
+        }
+    }
+}

Common/DTS.Common/RegionManager/ViewDefinition.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DTS.Common
+{
+    /// <summary>
+    /// The object definition which is adding to the Main Region.
+    /// </summary>
+    public class ViewDefinition
+    {
+        /// <summary>
+        /// Gets the region name in which a view is displayed.
+        /// </summary>
+        public string RegionName { get; private set; }
+
+        /// <summary>
+        /// Gets the type the View's interface.
+        /// </summary>
+        public Type ViewInterfaceType { get; private set; }
+
+        /// <summary>
+        /// Gets the type the View.
+        /// </summary>
+        //   public Type ViewType { get; private set; }
+
+        /// <summary>
+        /// Gets the type of the viewmodel's interface.
+        /// </summary>
+        public Type ViewModelInterfaceType { get; private set; }
+
+        /// <summary>
+        /// Gets the type of the viewmodel.
+        /// </summary>
+        /// <param name="regionName">Region name</param>
+        /// <param name="viewInterfaceType">Type of the View's interface to be registered.</param>
+        /// <param name="viewModelInterfaceType">Type of the View Model to be registered.</param>
+        public ViewDefinition(string regionName, Type viewInterfaceType, Type viewModelInterfaceType)
+        {
+            RegionName = regionName;
+            ViewInterfaceType = viewInterfaceType;
+            ViewModelInterfaceType = viewModelInterfaceType;
+        }
+        ///// <summary>
+        ///// Creates a new instance of the object. 
+        ///// Creates a new instance of the object. 
+        ///// </summary>
+        ///// <param name="viewInterfaceType">Type of the View's interface to be registered.</param>
+        ///// <param name="viewType">Type of the View to be registered.</param>
+        ///// <param name="viewModelInterfaceType">Type of the viewmodel's interface to be registered.</param>
+        ///// <param name="viewModelType">Type of the viewmodel to be registered.</param>
+        ////public ViewDefinition(Type viewInterfaceType, Type viewType, Type viewModelInterfaceType, Type viewModelType)
+        //{
+        //    ViewInterfaceType = viewInterfaceType;
+        //    ViewType = viewType;
+        //    ViewModelInterfaceType = viewModelInterfaceType;
+        //    ViewModelType = viewModelType;
+        //}
+
+        private ViewDefinition() { }
+    }
+}