Returns MahApps Metro Windows for Prism 6.0 Dialogs

gistfile1.txt

using System;
using System.Windows;
using MahApps.Metro.Controls;
using Prism.Interactivity.InteractionRequest;
using Prism.Interactivity;
using Demo.Desktop.Views.Dialogs;

/*
You will need to create your own default windows, you can copy the Prism default windows from 
https://github.com/PrismLibrary/Prism/tree/master/Source/Wpf/Prism.Wpf/Interactivity/DefaultPopupWindows
Make sure you change it to a MetroWindow.
*/

namespace Demo.Desktop.Helpers
{
    public class WindowDialogHelper : PopupWindowAction
    {
        protected override Window CreateWindow()
        {
            return new BaseDialogWindow();
        }

        protected override Window GetWindow(INotification notification)
        {
            Window wrapperWindow;

            if (WindowContent != null)
            {
                wrapperWindow = CreateWindow();

                if (wrapperWindow == null)
                    throw new NullReferenceException("CreateWindow cannot return null");

                // If the WindowContent does not have its own DataContext, it will inherit this one.
                wrapperWindow.DataContext = notification;
                wrapperWindow.Title = notification.Title;

                PrepareContentForWindow(notification, wrapperWindow);
            }
            else
            {
                wrapperWindow = CreateNewDefaultWindow(notification);
            }

            // If the user provided a Style for a Window we set it as the window's style.
            if (WindowStyle != null)
                wrapperWindow.Style = WindowStyle;

            return wrapperWindow;
        }

        protected MetroWindow CreateNewDefaultWindow(INotification notification)
        {
            MetroWindow window;

            var confirmation = notification as IConfirmation;
            if (confirmation != null)
            {
                window = new DefaultConfirmationWindow { Confirmation = confirmation };
            }
            else
            {
                window = new DefaultNotificationWindow { Notification = notification };
            }

            return window;
        }
    }
}