sledgemapper/Sledgemapper/ExtensionMethods.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using AsyncAwaitBestPractices;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
using Myra.Graphics2D.Brushes;
using Myra.Graphics2D.UI;

namespace Sledgemapper
{
    public static class ExtensionMethods
    {
        public static Point AbsPoint(this Point point)
        {
            return new Point(Math.Abs(point.X), Math.Abs(point.Y));
        }

        public static Window GetContainingWindow(this Widget widget)
        {
            var container = widget.Parent;
            while (container is not Window or null) container = container.Parent;

            return container as Window;
        }

        public static (Window Window, TC Content) GetParentContentInWindow<TC>(this Widget widget) where TC : Widget
        {
            var container = widget.Parent;
            while (container is not Window) container = container.Parent;

            var localWindow = (Window)container;
            var localContent = localWindow.Content as TC;
            return (localWindow, localContent);
        }

        public static Dictionary<string, T> LoadContentFolder<T>(this ContentManager contentManager, string contentFolder)
        {
            DirectoryInfo dir = new(contentManager.RootDirectory + "/" + contentFolder);
            if (!dir.Exists)
            {
                throw new DirectoryNotFoundException();
            }
            
            Dictionary<string, T> result = new();

            var files = dir.GetFiles("*.*");

            foreach (var file in files.Where(f => f.Extension != ".ttf" && f.Extension != ".otf"))
            {
                result.Add(file.Name.Split('.')[0], contentManager.Load<T>(contentFolder + "/" + file.Name.Split('.')[0]));

            }

            return result;
        }

        public static void ShowInModalWindow(this Widget widget, Desktop desktop, string title)
        {
            Window window = new()
            {
                Title = title,
                Content = widget
            };

            window.ShowModal(desktop);
        }

        public static IEnumerable<string> Split(this string str, int chunkSize)
        {
            return Enumerable.Range(0, str.Length / chunkSize)
                .Select(i => str.Substring(i * chunkSize, chunkSize));
        }

        public static void Toast(this Widget widget, Desktop desktop)
        {
            widget.Left = desktop.BoundsFetcher().Center.X - widget.Width.Value / 2;
            widget.Top = desktop.BoundsFetcher().Height - 90;
            widget.ZIndex = 1000;
            desktop.Widgets.Add(widget);

            Task.Delay(2000).ContinueWith(_ => { desktop.Widgets.Remove(widget); }
            ).SafeFireAndForget();
        }

        public static bool ValidateTextbox(this TextBox textBox)
        {
            var valid = !string.IsNullOrWhiteSpace(textBox.Text);
            textBox.Background = valid ? new SolidBrush(new Color(51, 51, 51)) : new SolidBrush(Color.Red);

            return valid;
        }
    }
}