From b0b0b3ee3431b7877a8f376ee65b0e59f317e3b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20Kub=C3=AD=C4=8Dek?= <matej.kubicek@websitte.cz>
Date: Sun, 7 Jun 2026 22:07:13 +0200
Subject: [PATCH] =?UTF-8?q?Dod=C4=9Bl=C3=A1n=C3=AD=20aplikace=20podle=20tu?=
 =?UTF-8?q?tori=C3=A1lu.=20Nyn=C3=AD=20lze=20ulo=C5=BEit,=20smazat=20a=20o?=
 =?UTF-8?q?tev=C3=ADr=C3=A1t=20r=C5=AFzn=C3=A9=20pozn=C3=A1mky.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 winui-learning/winui-learning/MainWindow.xaml      |  6 ++++--
 winui-learning/winui-learning/MainWindow.xaml.cs   | 10 ++++++++++
 .../winui-learning/Views/AllNotesPage.xaml         |  7 +++++--
 .../winui-learning/Views/AllNotesPage.xaml.cs      | 11 +++++++++++
 winui-learning/winui-learning/Views/NotePage.xaml  |  1 -
 .../winui-learning/Views/NotePage.xaml.cs          | 14 +++++++++++++-
 6 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/winui-learning/winui-learning/MainWindow.xaml b/winui-learning/winui-learning/MainWindow.xaml
index 672a488..ae61539 100644
--- a/winui-learning/winui-learning/MainWindow.xaml
+++ b/winui-learning/winui-learning/MainWindow.xaml
@@ -3,7 +3,6 @@
     x:Class="winui_learning.MainWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:winui_learning"
     xmlns:views="using:winui_learning.Views"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -25,7 +24,10 @@
         </Grid.RowDefinitions>
 
         <TitleBar x:Name="AppTitleBar"
-              Title="WinUI Notes">
+                  Title="WinUI Notes"
+                  IsBackButtonVisible="True"
+                  IsBackButtonEnabled="{x:Bind rootFrame.CanGoBack, Mode=OneWay}"
+                  BackRequested="AppTitleBar_BackRequested">
             <TitleBar.IconSource>
                 <FontIconSource Glyph="&#xF4AA;"/>
             </TitleBar.IconSource>
diff --git a/winui-learning/winui-learning/MainWindow.xaml.cs b/winui-learning/winui-learning/MainWindow.xaml.cs
index 0bc5dca..7014eba 100644
--- a/winui-learning/winui-learning/MainWindow.xaml.cs
+++ b/winui-learning/winui-learning/MainWindow.xaml.cs
@@ -1,4 +1,6 @@
+using ABI.Microsoft.UI.Xaml.Controls;
 using Microsoft.UI.Xaml;
+using TitleBar = Microsoft.UI.Xaml.Controls.TitleBar;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -16,5 +18,13 @@ public sealed partial class MainWindow : Window
         ExtendsContentIntoTitleBar = true;
         SetTitleBar(AppTitleBar);
     }
+    
+    private void AppTitleBar_BackRequested(TitleBar titleBar, object args)
+    {
+        if (rootFrame.CanGoBack)
+        {
+            rootFrame.GoBack();
+        }
+    }
 }
 
diff --git a/winui-learning/winui-learning/Views/AllNotesPage.xaml b/winui-learning/winui-learning/Views/AllNotesPage.xaml
index 55a27f0..7a67800 100644
--- a/winui-learning/winui-learning/Views/AllNotesPage.xaml
+++ b/winui-learning/winui-learning/Views/AllNotesPage.xaml
@@ -46,7 +46,7 @@
         </Grid.RowDefinitions>
 
         <CommandBar DefaultLabelPosition="Right">
-            <AppBarButton Icon="Add" Label="New note"/>
+            <AppBarButton Icon="Add" Label="New note" Click="NewNoteButton_Click"/>
             <CommandBar.Content>
                 <TextBlock Text="Quick notes" Margin="16,8" 
                            Style="{ThemeResource SubtitleTextBlockStyle}"/>
@@ -56,7 +56,10 @@
         <ItemsView 
             ItemsSource="{x:Bind allNotesModel.Notes}" 
             Grid.Row="1" Padding="16" 
-            ItemTemplate="{StaticResource NoteItemTemplate}">
+            ItemTemplate="{StaticResource NoteItemTemplate}"
+            SelectionMode="None"
+            IsItemInvokedEnabled="True"
+            ItemInvoked="ItemsView_ItemInvoked">
             
             <ItemsView.Layout>
                 <UniformGridLayout MinItemWidth="200"
diff --git a/winui-learning/winui-learning/Views/AllNotesPage.xaml.cs b/winui-learning/winui-learning/Views/AllNotesPage.xaml.cs
index 1fc321d..804ace0 100644
--- a/winui-learning/winui-learning/Views/AllNotesPage.xaml.cs
+++ b/winui-learning/winui-learning/Views/AllNotesPage.xaml.cs
@@ -1,3 +1,4 @@
+using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using winui_learning.Models;
 
@@ -14,5 +15,15 @@ namespace winui_learning.Views
         {
             InitializeComponent();
         }
+
+        private void NewNoteButton_Click(object sender, RoutedEventArgs e)
+        {
+            Frame.Navigate(typeof(NotePage));
+        }
+        
+        private void ItemsView_ItemInvoked(ItemsView sender, ItemsViewItemInvokedEventArgs args)
+        {
+            Frame.Navigate(typeof(NotePage), args.InvokedItem);
+        }
    }
 }
diff --git a/winui-learning/winui-learning/Views/NotePage.xaml b/winui-learning/winui-learning/Views/NotePage.xaml
index c3c7a19..9372861 100644
--- a/winui-learning/winui-learning/Views/NotePage.xaml
+++ b/winui-learning/winui-learning/Views/NotePage.xaml
@@ -3,7 +3,6 @@
     x:Class="winui_learning.Views.NotePage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:winui_learning"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
diff --git a/winui-learning/winui-learning/Views/NotePage.xaml.cs b/winui-learning/winui-learning/Views/NotePage.xaml.cs
index 5a7bc7a..62c0b20 100644
--- a/winui-learning/winui-learning/Views/NotePage.xaml.cs
+++ b/winui-learning/winui-learning/Views/NotePage.xaml.cs
@@ -1,5 +1,6 @@
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
 using winui_learning.Models;
 
 // To learn more about WinUI, the WinUI project structure,
@@ -12,13 +13,20 @@ namespace winui_learning.Views
     /// </summary>
     public sealed partial class NotePage : Page
     {
-        private NoteModel? note;
+        private NoteModel note = new();
 
         public NotePage()
         {
             InitializeComponent();
         }
 
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+            note = e.Parameter as NoteModel ?? new NoteModel();
+            Bindings.Update();
+        }
+
         private async void ButtonClick_Save(object sender, RoutedEventArgs e)
         {
             if (note is not null)
@@ -33,6 +41,10 @@ namespace winui_learning.Views
             {
                 await note.DeleteAsync();
             }
+            if (Frame.CanGoBack)
+            {
+                Frame.GoBack();
+            }
         }
     }
 }