TestingWindow.xaml.cs

using MaterialDesignColors.WpfExample.Domain;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using WpfAnimatedGif;

namespace SQLWPF
{
    /// <summary>
    /// Interaction logic for TestingWindow.xaml
    /// </summary>
    public partial class TestingWindow : Window
    {

        public TestingWindow()
        {
            InitializeComponent();

            //List<User> items = new List<User>
            //{
            //    new User() { Initials = "JD", Name = "John Doe", Age = 42, Mail = "[email protected]" },
            //    new User() { Initials = "JD", Name = "Jane Doe", Age = 39, Mail = "[email protected]" },
            //    new User() { Initials = "SD", Name = "Sammy Doe", Age = 7, Mail = "[email protected]" }
            //};
            //lvUsers.ItemsSource = items;

            //List<SelectableViewModel> items1 = new List<SelectableViewModel>
            //{
            //    new SelectableViewModel() { Initials = "JD", Name = "John Doe", Age = 42, Mail = "[email protected]" },
            //    new SelectableViewModel() { Initials = "JD", Name = "Jane Doe", Age = 39, Mail = "[email protected]" },
            //    new SelectableViewModel() { Initials = "SD", Name = "Sammy Doe", Age = 7, Mail = "[email protected]" }
            //};

            //ToggleList.ItemsSource = items1;

            dummy();

            //lvUsers.
        }

        public async Task dummy()
        {
            await InitList();
        }

        private Task InitList()
        {
            try
            {
                using (permissionsDatabaseModel e = new permissionsDatabaseModel())
                {
                    List<UserSelectableModel> output = new List<UserSelectableModel>();

                    foreach (Users item in (from users in e.Users
                                            select users).ToList())
                    {
                        output.Add(new UserSelectableModel(item));
                    }


                    UserToggleList.ItemsSource = output;
                }
            }
            catch (Exception)
            {
                throw;
            }
            return null;
        }

        private void ToggleButton_Drop(object sender, DragEventArgs e)
        {
            var data = e.Data.GetData(DataFormats.FileDrop);

            if (data != null)
            {
                var filesnames = data as string[];
                if (filesnames.Length > 0)
                {
                    Image imageControl = (Image)sender;

                    BitmapImage bitmapImage = new BitmapImage(new Uri(filesnames[0]));

                    ImageBehavior.SetAnimatedSource(imageControl, bitmapImage);
                }
            }
        }

        private void ToggleButton_Drop_1(object sender, DragEventArgs e)
        {
            var data = e.Data.GetData(DataFormats.FileDrop);

            if (data != null)
            {
                var filesnames = data as string[];
                if (filesnames.Length > 0)
                {
                    try
                    {
                        BitmapImage bitmapImage = new BitmapImage(new Uri(filesnames[0]));

                        ToggleButton buttonControl = (ToggleButton)sender;

                        Image imageControl = (Image)((Grid)buttonControl.Content).Children[1];

                        string userIDString =
                            (
                                (TextBlock)
                                (
                                    (Grid)buttonControl.Content
                                ).Children[2]
                            ).Text;

                        int userID = Int32.Parse(userIDString);




                        ImageBehavior.SetAnimatedSource(imageControl, bitmapImage);

                        byte[] img = null;
                        FileStream fs = new FileStream(filesnames[0], FileMode.Open, FileAccess.Read);
                        BinaryReader br = new BinaryReader(fs);
                        img = br.ReadBytes((int)fs.Length);

                        using (permissionsDatabaseModel eDB = new permissionsDatabaseModel())
                        {
                            var query =
                                    from users in eDB.Users
                                    where users.ID == userID
                                    select users;

                            // Execute the query, and change the column values
                            // you want to change.
                            foreach (Users user in query)
                            {
                                user.UserIcon = img;
                                // Insert any additional changes to column values.
                            }

                            // Submit the changes to the database.
                            try
                            {
                                eDB.SaveChanges();
                            }
                            catch (Exception exception)
                            {
                                Console.WriteLine(exception);
                                // Provide for exceptions.
                            }
                        }
                    }
                    catch (Exception)
                    {
                        Button hello = new Button();

                        dialog.IsOpen = true;
                    }

                }
            }
        }

        public byte[] BitmapToByte(System.Drawing.Image img)
        {
            byte[] byteArray = new byte[0];
            using (MemoryStream stream = new MemoryStream())
            {
                img.Save(stream, ImageFormat.Gif);
                stream.Close();

                byteArray = stream.ToArray();
            }
            return byteArray;
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            InitList();
        }

        public BitmapImage ConvertWriteableBitmapToBitmapImage(WriteableBitmap wbm)
        {
            BitmapImage bmImage = new BitmapImage();
            using (MemoryStream stream = new MemoryStream())
            {
                PngBitmapEncoder encoder = new PngBitmapEncoder();
                encoder.Frames.Add(BitmapFrame.Create(wbm));
                encoder.Save(stream);
                bmImage.BeginInit();
                bmImage.CacheOption = BitmapCacheOption.OnLoad;
                bmImage.StreamSource = stream;
                bmImage.EndInit();
                bmImage.Freeze();
            }
            return bmImage;
        }


        private Dictionary<ToggleButton, BitmapImage> previousIcon = new Dictionary<ToggleButton, BitmapImage>();
        private void Stop_PreviewDragEnter(object sender, DragEventArgs e)
        {
            var data = e.Data.GetData(DataFormats.FileDrop);

            if (data != null)
            {
                var filesnames = data as string[];
                if (filesnames.Length > 0)
                {
                    try
                    {
                        BitmapImage bitmapImage = new BitmapImage(new Uri(filesnames[0]));

                        ToggleButton buttonControl = (ToggleButton)sender;

                        Image imageControl = (Image)((Grid)buttonControl.Content).Children[1];

                        if (imageControl.Source.GetType() == typeof(WriteableBitmap))
                            previousIcon.Add(buttonControl, ConvertWriteableBitmapToBitmapImage((WriteableBitmap)imageControl.Source));
                        else if (imageControl.Source.GetType() == typeof(BitmapImage))
                            previousIcon.Add(buttonControl, (BitmapImage)imageControl.Source);

                        ImageBehavior.SetAnimatedSource(imageControl, bitmapImage);
                    }
                    catch (Exception) { }
                }
            }
        }

        private void Stop_PreviewDragLeave(object sender, DragEventArgs e)
        {
            if (previousIcon != null)
            {
                ToggleButton buttonControl = (ToggleButton)sender;

                Image imageControl = (Image)((Grid)buttonControl.Content).Children[1];

                if (previousIcon.ContainsKey(buttonControl))
                    ImageBehavior.SetAnimatedSource(imageControl, previousIcon[buttonControl]);
            }
        }
    }
}