1 files changed, 74 insertions, 0 deletions
diff --git a/Erable/Views/MessageBox.axaml.cs b/Erable/Views/MessageBox.axaml.cs
new file mode 100644
index 0000000..6d8b6d9
--- /dev/null
+++ b/Erable/Views/MessageBox.axaml.cs
@@ -0,0 +1,74 @@
+using System.Threading.Tasks;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Erable.Views
+{
+    public class MessageBox : Window
+    {
+        public enum MessageBoxButtons
+        {
+            Ok,
+            OkCancel,
+            YesNo,
+            YesNoCancel
+        }
+
+        public enum MessageBoxResult
+        {
+            Ok,
+            Cancel,
+            Yes,
+            No
+        }
+
+        
+        public MessageBox()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public static Task<MessageBoxResult> Show(Window parent, string text, string title, MessageBoxButtons buttons)
+        {
+            var msgbox = new MessageBox()
+            {
+                Title = title
+            };
+            msgbox.FindControl<TextBlock>("Text").Text = text;
+            var buttonPanel = msgbox.FindControl<StackPanel>("Buttons");
+
+            var res = MessageBoxResult.Ok;
+
+            void AddButton(string caption, MessageBoxResult r, bool def = false)
+            {
+                var btn = new Button {Content = caption};
+                btn.Click += (_, __) => { 
+                    res = r;
+                    msgbox.Close();
+                };
+                buttonPanel.Children.Add(btn);
+                if (def)
+                    res = r;
+            }
+
+            if (buttons == MessageBoxButtons.Ok || buttons == MessageBoxButtons.OkCancel)
+                AddButton("OK", MessageBoxResult.Ok, true);
+            if (buttons == MessageBoxButtons.YesNo || buttons == MessageBoxButtons.YesNoCancel)
+            {
+                AddButton("Yes", MessageBoxResult.Yes);
+                AddButton("No", MessageBoxResult.No, true);
+            }
+
+            if (buttons == MessageBoxButtons.OkCancel || buttons == MessageBoxButtons.YesNoCancel)
+                AddButton("Cancel", MessageBoxResult.Cancel, true);
+
+
+            var tcs = new TaskCompletionSource<MessageBoxResult>();
+            msgbox.Closed += delegate { tcs.TrySetResult(res); };
+            if (parent != null)
+                msgbox.ShowDialog(parent);
+            else msgbox.Show();
+            return tcs.Task;
+        }
+    }
+}
+\ No newline at end of file