create page base

src/Starward/Pages/PageBase.cs

@@ -0,0 +1,73 @@
+using CommunityToolkit.Mvvm.Messaging;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
+using Starward.Core;
+using Starward.Messages;
+
+namespace Starward.Pages;
+
+public abstract class PageBase : Page
+{
+
+
+    public GameBiz CurrentGameBiz { get; private set; }
+
+
+    public PageBase()
+    {
+        Loaded += PageEx_Loaded;
+        Unloaded += PageEx_Unloaded;
+        WeakReferenceMessenger.Default.Register<LanguageChangedMessage>(this, (_, _) => OnLanguageChanged());
+    }
+
+
+
+    private void PageEx_Loaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
+    {
+        OnLoaded();
+    }
+
+
+    private void PageEx_Unloaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
+    {
+        Loaded -= PageEx_Loaded;
+        Unloaded -= PageEx_Unloaded;
+        WeakReferenceMessenger.Default.UnregisterAll(this);
+        OnUnloaded();
+    }
+
+
+
+    protected override void OnNavigatedTo(NavigationEventArgs e)
+    {
+        if (e.Parameter is GameBiz biz)
+        {
+            CurrentGameBiz = biz;
+        }
+    }
+
+
+
+    protected virtual void OnLoaded()
+    {
+
+    }
+
+
+
+    protected virtual void OnUnloaded()
+    {
+
+    }
+
+
+
+    protected virtual void OnLanguageChanged()
+    {
+
+    }
+
+
+}
+
+