project

2022-03-23 15:44:32 +00:00
commit 2ac0e3ed26
129 changed files with 4197 additions and 0 deletions
@@ -0,0 +1,82 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Shell;
+using TheXamlGuy.TaskbarGroup.Core;
+using Microsoft.WindowsAPICodePack.Shell;
+
+namespace TheXamlGuy.TaskbarGroup.Foundation
+{
+    public class FileDropTarget : IDropTarget<UIElement>
+    {
+        private UIElement? target;
+        private readonly IMessenger messenger;
+
+        public FileDropTarget(IMessenger messenger)
+        {
+            this.messenger = messenger;
+        }
+
+        public void Register(UIElement target)
+        {
+            if (this.target is not null)
+            {
+                target.DragOver -= OnDragOver;
+                target.DragEnter -= OnDragEnter;
+                target.Drop -= OnDrop;
+            }
+
+            this.target = target;
+
+            target.DragOver += OnDragOver;
+            target.DragEnter += OnDragEnter;
+            target.Drop += OnDrop;
+        }
+
+        private void OnDrop(object sender, DragEventArgs args)
+        {
+            String[] fileName = (String[])args.Data.GetFormats();
+
+            var ddd = ShellObjectCollection.FromDataObject((System.Runtime.InteropServices.ComTypes.IDataObject)args.Data);
+
+            //args.Handled = true;
+            //var fileName = GetFileName(args.Data);
+            //messenger.Publish<FileDropped>();
+
+        }
+
+        private string GetFileName(IDataObject data)
+        {
+            var filenames = (string[])data.GetData(DataFormats.FileDrop);
+            return filenames[0];
+        }
+
+        private bool IsFileDrop(IDataObject data)
+        {
+            return data.GetDataPresent(DataFormats.FileDrop);
+        }
+
+        private void OnDragEnter(object sender, DragEventArgs args)
+        {
+            if (IsFileDrop(args.Data))
+            {
+                args.Effects = DragDropEffects.Link;
+            }
+            else
+            {
+                args.Effects = DragDropEffects.None;
+            }
+        }
+
+        private void OnDragOver(object sender, DragEventArgs args)
+        {
+            if (IsFileDrop(args.Data))
+            {
+                args.Effects = DragDropEffects.Link;
+            }
+            else
+            {
+                args.Effects = DragDropEffects.None;
+            }
+        }
+    }
+}