PopupDialogService for the "materialDesign PopupDialog" using Prism IDialogAware interface

IPopupDialogService.cs

using Prism.Services.Dialogs;
using System;
using System.Windows;

namespace Sample.Services.Interfaces
{
	public interface IPopupDialogService
	{
		/// <summary>
		/// Shows the "materialDesign Popup Dialog" using the IDialogAware interface from Prism.
		/// Without ViewModelLocator, Without registering 
		/// 
		///  => Uses the RootDialogHost
		/// </summary>
		/// <typeparam name="TView">View (normaly a UserControl)</typeparam>
		/// <typeparam name="TViewModel">ViewModel (DataContext)</typeparam>
		void ShowPopupDialog<TView, TViewModel>() where TView : FrameworkElement where TViewModel : IDialogAware;

		/// <summary>
		/// Shows the "materialDesign Popup Dialog" using the IDialogAware interface from Prism.
		/// Without ViewModelLocator, Without registering 
		/// </summary>
		/// <typeparam name="TView">View (normaly a UserControl)</typeparam>
		/// <typeparam name="TViewModel">ViewModel (DataContext)</typeparam>
		/// <param name="dialogHost">The dialogidentifier from materialDesign</param>
		void ShowPopupDialog<TView, TViewModel>(string dialogHost) where TView : FrameworkElement where TViewModel : IDialogAware;

		/// <summary>
		/// Shows the "materialDesign Popup Dialog" using the IDialogAware interface from Prism.
		/// Without ViewModelLocator, Without registering 
		/// 
		///  => Uses the RootDialogHost
		/// </summary>
		/// <typeparam name="TView">View (normaly a UserControl)</typeparam>
		/// <typeparam name="TViewModel">ViewModel (DataContext)</typeparam>
		/// <param name="callBack">callBackAction like normal dialog in Prism</param>
		void ShowPopupDialog<TView, TViewModel>(Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware;

		/// <summary>
		/// Shows the "materialDesign Popup Dialog" using the IDialogAware interface from Prism.
		/// Without ViewModelLocator, Without registering 
		/// </summary>
		/// <typeparam name="TView">View (normaly a UserControl)</typeparam>
		/// <typeparam name="TViewModel">ViewModel (DataContext)</typeparam>
		/// <param name="dialogHost">The dialogidentifier from materialDesign</param>
		/// <param name="callBack">callBackAction like normal dialog in Prism</param>
		void ShowPopupDialog<TView, TViewModel>(string dialogHost, Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware;

		/// <summary>
		/// Shows the "materialDesign Popup Dialog" using the IDialogAware interface from Prism.
		/// Without ViewModelLocator, Without registering 
		/// 
		///  => Uses the RootDialogHost
		/// </summary>
		/// <typeparam name="TView">View (normaly a UserControl)</typeparam>
		/// <typeparam name="TViewModel">ViewModel (DataContext)</typeparam>
		/// <param name="parameters">dialogParameters like normal dialog in Prism</param>
		/// <param name="callBack">callBackAction like normal dialog in Prism</param>
		void ShowPopupDialog<TView, TViewModel>(IDialogParameters parameters, Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware;

		/// <summary>
		/// Shows the "materialDesign Popup Dialog" using the IDialogAware interface from Prism.
		/// Without ViewModelLocator, Without registering 
		/// </summary>
		/// <typeparam name="TView">View (normaly a UserControl)</typeparam>
		/// <typeparam name="TViewModel">ViewModel (DataContext)</typeparam>
		/// <param name="dialogHost">The dialogidentifier from materialDesign</param>
		/// <param name="parameters">dialogParameters like normal dialog in Prism</param>
		/// <param name="callBack">callBackAction like normal dialog in Prism</param>
		void ShowPopupDialog<TView, TViewModel>(string dialogHost, IDialogParameters parameters, Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware;
	}
}

PopupDialogService.cs

using DryIoc;
using MaterialDesignThemes.Wpf;
using Prism.Ioc;
using Prism.Services.Dialogs;
using System;
using System.Windows;
using Sample.Services.Interfaces;

namespace Sample.Services
{
	public class PopupDialogService : IPopupDialogService
	{
		private readonly IContainerExtension _container;

		public PopupDialogService(IContainerExtension container)
		{
			_container = container;
		}

		public void ShowPopupDialog<TView, TViewModel>() where TView : FrameworkElement where TViewModel : IDialogAware
		{
			var dialogView = _container.Resolve<TView>();
			dialogView.DataContext = _container.Resolve<TViewModel>();
			var viewModel = dialogView.DataContext as IDialogAware;

			var closeHandler = new Action<IDialogResult>((e) =>
			{
				if (viewModel.CanCloseDialog())
				{
					DialogHost.CloseDialogCommand.Execute(e, null);
					viewModel.OnDialogClosed();
				}

			});

			viewModel.RequestClose += closeHandler;

			DialogHost.Show(dialogView);
		}


		public void ShowPopupDialog<TView, TViewModel>(string dialogHost) where TView : FrameworkElement where TViewModel : IDialogAware
		{
			var dialogView = _container.Resolve<TView>();
			dialogView.DataContext = _container.Resolve<TViewModel>();
			var viewModel = dialogView.DataContext as IDialogAware;

			var closeHandler = new Action<IDialogResult>((e) =>
			{
				if (viewModel.CanCloseDialog())
				{
					DialogHost.CloseDialogCommand.Execute(e, null);
					viewModel.OnDialogClosed();
				}

			});

			viewModel.RequestClose += closeHandler;

			DialogHost.Show(dialogView, dialogHost);
		}


		public void ShowPopupDialog<TView, TViewModel>(Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware
		{
			var dialogView = _container.Resolve<TView>();
			dialogView.DataContext = _container.Resolve<TViewModel>();
			var viewModel = dialogView.DataContext as IDialogAware;

			var closeHandler = new Action<IDialogResult>((e) =>
			{
				if (viewModel.CanCloseDialog())
				{
					DialogHost.CloseDialogCommand.Execute(e, null);
					viewModel.OnDialogClosed();
					callBack?.Invoke(e);
				}

			});

			viewModel.RequestClose += closeHandler;
			
			DialogHost.Show(dialogView);
		}


		public void ShowPopupDialog<TView, TViewModel>(string dialogHost, Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware
		{
			var dialogView = _container.Resolve<TView>();
			dialogView.DataContext = _container.Resolve<TViewModel>();
			var viewModel = dialogView.DataContext as IDialogAware;

			var closeHandler = new Action<IDialogResult>((e) =>
			{
				if (viewModel.CanCloseDialog())
				{
					DialogHost.CloseDialogCommand.Execute(e, null);
					viewModel.OnDialogClosed();
					callBack?.Invoke(e);
				}

			});

			viewModel.RequestClose += closeHandler;
			
			DialogHost.Show(dialogView, dialogHost);
		}


		public void ShowPopupDialog<TView, TViewModel>(IDialogParameters parameters, Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware
		{
			var dialogView = _container.Resolve<TView>();
			dialogView.DataContext = _container.Resolve<TViewModel>();
			var viewModel = dialogView.DataContext as IDialogAware;

			var closeHandler = new Action<IDialogResult>((e) =>
			{
				if (viewModel.CanCloseDialog())
				{
					DialogHost.CloseDialogCommand.Execute(e, null);
					viewModel.OnDialogClosed();
					callBack?.Invoke(e);
				}

			});

			viewModel.RequestClose += closeHandler;
			
			DialogHost.Show(dialogView);
			viewModel.OnDialogOpened(parameters);
		}


		public void ShowPopupDialog<TView, TViewModel>(string dialogHost, IDialogParameters parameters, Action<IDialogResult> callBack) where TView : FrameworkElement where TViewModel : IDialogAware
		{
			var dialogView = _container.Resolve<TView>();
			dialogView.DataContext = _container.Resolve<TViewModel>();
			var viewModel = dialogView.DataContext as IDialogAware;

			var closeHandler = new Action<IDialogResult>((e) =>
			{
				if (viewModel.CanCloseDialog())
				{
					DialogHost.CloseDialogCommand.Execute(e, null);
					viewModel.OnDialogClosed();
					callBack?.Invoke(e);
				}

			});

			viewModel.RequestClose += closeHandler;
			
			DialogHost.Show(dialogView, dialogHost);
			viewModel.OnDialogOpened(parameters);
		}
	}
}