Base data editing page in GTK client.

EstusShots.Gtk/Dialogs/DrinkEditor.cs

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+using System;
+using EstusShots.Shared.Dto;
+using Gtk;
+using UI = Gtk.Builder.ObjectAttribute;
+
+namespace EstusShots.Gtk.Dialogs
+{
+    public class DrinkEditor
+    {
+        [UI] private readonly Dialog DrinkEditorDialog = null;
+        [UI] private readonly Entry DrinkNameEntry = null;
+        [UI] private readonly Adjustment DrinkVolAdjustment = null;
+        [UI] private readonly Button SaveDrinkButton = null;
+        [UI] private readonly Button CancelDrinkEditorButton = null;
+        
+        private readonly Drink _drink;
+        
+        public event DialogClosedEventHandler OnDialogClosed;
+
+        public DrinkEditor(Window parent, Drink drink)
+        {
+            _drink = drink;
+            
+            var builder = new Builder("Dialogs.glade");
+            builder.Autoconnect(this);
+            
+            SaveDrinkButton.Clicked += SaveDrinkButtonOnClicked;
+            CancelDrinkEditorButton.Clicked += (sender, args) =>
+            {
+                OnDialogClosed?.Invoke(this, new DialogClosedEventArgs(false, null));
+                DrinkEditorDialog.Dispose();
+            };
+            
+            ReadFromModel();
+            
+            DrinkEditorDialog.TransientFor = parent;
+            DrinkEditorDialog.Show();
+        }
+
+        // Events
+
+        private void SaveDrinkButtonOnClicked(object sender, EventArgs e)
+        {
+            ReadToModel();
+            OnDialogClosed?.Invoke(this, new DialogClosedEventArgs(true, _drink));
+            DrinkEditorDialog.Dispose();
+        }
+        
+        // Private Methods
+
+        private void ReadToModel()
+        {
+            _drink.Name = DrinkNameEntry.Text;
+            _drink.Vol = DrinkVolAdjustment.Value;
+        }
+
+        private void ReadFromModel()
+        {
+            DrinkNameEntry.Text = _drink.Name;
+            DrinkVolAdjustment.Value = _drink.Vol;
+        }
+    }
+}