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.gitignore

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+
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+MigrationBackup/
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+.ionide/

AssemblyInfo.cs

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+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

CategoryPanelBase.cs

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+using System.Windows;
+using System.Windows.Controls;
+
+namespace ChrisKaczor.Wpf.Windows;
+
+public class CategoryPanelBase : UserControl
+{
+    protected Window? ParentWindow;
+
+    protected CategoryPanelBase()
+    {
+    }
+
+    public virtual string? CategoryName => null;
+
+    protected bool HasLoaded { get; private set; }
+
+    public virtual void LoadPanel(Window parentWindow)
+    {
+        ParentWindow = parentWindow;
+    }
+
+    protected void MarkLoaded()
+    {
+        HasLoaded = true;
+    }
+}

CategoryWindow.xaml

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+<Window x:Class="ChrisKaczor.Wpf.Windows.CategoryWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="[Title]"
+        Height="360"
+        Width="720"
+        ResizeMode="CanResize"
+        WindowStartupLocation="CenterScreen">
+    <Window.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.FlatButton.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Themes/light.cobalt.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Window.Resources>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="130" />
+            <ColumnDefinition Width="5" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+        <ListBox Grid.Column="0"
+                 Grid.Row="0"
+                 Name="CategoryListBox"
+                 SelectionChanged="HandleSelectedCategoryChanged" />
+        <ContentControl Grid.Column="2"
+                        Grid.Row="0"
+                        Margin="0,6,6,6"
+                        Name="ContentControl"
+                        IsTabStop="False" />
+        <Button Name="CloseButton"
+                Grid.Row="1"
+                Grid.Column="0"
+                Grid.ColumnSpan="3"
+                Margin="0,6,6,6"
+                Content="[Close]"
+                HorizontalAlignment="Right"
+                IsCancel="True" />
+    </Grid>
+</Window>

CategoryWindow.xaml.cs

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+using System.Collections.Generic;
+using System.Windows.Controls;
+
+namespace ChrisKaczor.Wpf.Windows;
+
+public partial class CategoryWindow
+{
+    private readonly List<CategoryPanelBase> _categoryPanels;
+
+    public CategoryWindow(List<CategoryPanelBase> categoryPanels, string title, string closeButtonText)
+    {
+        InitializeComponent();
+
+        Title = title;
+        CloseButton.Content = closeButtonText;
+
+        _categoryPanels = categoryPanels;
+
+        // Load the category list
+        LoadCategories();
+    }
+
+    private void LoadCategories()
+    {
+        // Loop over each panel
+        foreach (var optionsPanel in _categoryPanels)
+        {
+            // Tell the panel to load itself
+            optionsPanel.LoadPanel(this);
+
+            // Add the panel to the category ist
+            CategoryListBox.Items.Add(new CategoryListItem(optionsPanel));
+
+            // Set the panel into the right side
+            ContentControl.Content = optionsPanel;
+        }
+
+        // Select the first item
+        CategoryListBox.SelectedItem = CategoryListBox.Items[0];
+    }
+
+    private void SelectCategory(CategoryPanelBase panel)
+    {
+        // Set the content
+        ContentControl.Content = panel;
+    }
+
+    private void HandleSelectedCategoryChanged(object sender, SelectionChangedEventArgs e)
+    {
+        // Select the right category
+        SelectCategory(((CategoryListItem)CategoryListBox.SelectedItem).Panel);
+    }
+
+    private class CategoryListItem(CategoryPanelBase panel)
+    {
+        public CategoryPanelBase Panel { get; } = panel;
+
+        public override string? ToString()
+        {
+            return Panel.CategoryName;
+        }
+    }
+}

LICENSE

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+MIT License
+
+Copyright (c) 2024 Chris Kaczor
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

MarginSetter.cs

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+using JetBrains.Annotations;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace ChrisKaczor.Wpf.Windows;
+
+public class MarginSetter
+{
+    private static Thickness GetLastItemMargin(DependencyObject obj)
+    {
+        return (Thickness) obj.GetValue(LastItemMarginProperty);
+    }
+
+    [UsedImplicitly]
+    public static Thickness GetMargin(DependencyObject obj)
+    {
+        return (Thickness) obj.GetValue(MarginProperty);
+    }
+
+    private static void MarginChangedCallback(object sender, DependencyPropertyChangedEventArgs e)
+    {
+        // Make sure this is put on a panel
+        if (sender is not Panel panel)
+            return;
+
+        // Avoid duplicate registrations
+        panel.Loaded -= OnPanelLoaded;
+        panel.Loaded += OnPanelLoaded;
+
+        if (panel.IsLoaded)
+        {
+            OnPanelLoaded(panel, null);
+        }
+    }
+
+    private static void OnPanelLoaded(object sender, RoutedEventArgs? e)
+    {
+        var panel = (Panel) sender;
+
+        // Go over the children and set margin for them:
+        for (var i = 0; i < panel.Children.Count; i++)
+        {
+            var child = panel.Children[i];
+
+            if (child is not FrameworkElement fe)
+                continue;
+
+            var isLastItem = i == panel.Children.Count - 1;
+            fe.Margin = isLastItem ? GetLastItemMargin(panel) : GetMargin(panel);
+        }
+    }
+
+    [UsedImplicitly]
+    public static void SetLastItemMargin(DependencyObject obj, Thickness value)
+    {
+        obj.SetValue(LastItemMarginProperty, value);
+    }
+
+    [UsedImplicitly]
+    public static void SetMargin(DependencyObject obj, Thickness value)
+    {
+        obj.SetValue(MarginProperty, value);
+    }
+
+    // Using a DependencyProperty as the backing store for Margin.  This enables animation, styling, binding, etc...
+    public static readonly DependencyProperty MarginProperty =
+        DependencyProperty.RegisterAttached("Margin", typeof(Thickness), typeof(MarginSetter),
+            new UIPropertyMetadata(new Thickness(), MarginChangedCallback));
+
+    public static readonly DependencyProperty LastItemMarginProperty =
+        DependencyProperty.RegisterAttached("LastItemMargin", typeof(Thickness), typeof(MarginSetter),
+            new UIPropertyMetadata(new Thickness(), MarginChangedCallback));
+}

README.md

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+# ChrisKaczor.Wpf.Windows.CategoryWindow
+
+A simple reusable window that supports category navigation on the left side.
+
+## Authors
+
+* **Chris Kaczor** - *Initial work* - https://github.com/ckaczor - https://chriskaczor.com
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details.
+
+## Disclaimer
+
+This code is used by my various personal projects and may not be useful or work in all use cases.

Spacing.cs

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+using JetBrains.Annotations;
+using System.Windows;
+
+namespace ChrisKaczor.Wpf.Windows;
+
+public class Spacing
+{
+    public static double GetHorizontal(DependencyObject obj)
+    {
+        return (double)obj.GetValue(HorizontalProperty);
+    }
+
+    public static double GetVertical(DependencyObject obj)
+    {
+        return (double)obj.GetValue(VerticalProperty);
+    }
+
+    private static void HorizontalChangedCallback(object sender, DependencyPropertyChangedEventArgs e)
+    {
+        var space = (double)e.NewValue;
+        var obj = (DependencyObject)sender;
+
+        MarginSetter.SetMargin(obj, new Thickness(0, 0, space, 0));
+        MarginSetter.SetLastItemMargin(obj, new Thickness(0));
+    }
+
+    [UsedImplicitly]
+    public static void SetHorizontal(DependencyObject obj, double space)
+    {
+        obj.SetValue(HorizontalProperty, space);
+    }
+
+    [UsedImplicitly]
+    public static void SetVertical(DependencyObject obj, double value)
+    {
+        obj.SetValue(VerticalProperty, value);
+    }
+
+    private static void VerticalChangedCallback(object sender, DependencyPropertyChangedEventArgs e)
+    {
+        var space = (double)e.NewValue;
+        var obj = (DependencyObject)sender;
+        MarginSetter.SetMargin(obj, new Thickness(0, 0, 0, space));
+        MarginSetter.SetLastItemMargin(obj, new Thickness(0));
+    }
+
+    public static readonly DependencyProperty VerticalProperty =
+        DependencyProperty.RegisterAttached("Vertical", typeof(double), typeof(Spacing),
+            new UIPropertyMetadata(0d, VerticalChangedCallback));
+
+    public static readonly DependencyProperty HorizontalProperty =
+        DependencyProperty.RegisterAttached("Horizontal", typeof(double), typeof(Spacing),
+            new UIPropertyMetadata(0d, HorizontalChangedCallback));
+}

Wpf.Windows.CategoryWindow.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+		<RootNamespace>ChrisKaczor.Wpf.Windows</RootNamespace>
+		<Title>ChrisKaczor.Wpf.Windows.CategoryWindow</Title>
+		<Authors>Chris Kaczor</Authors>
+		<Product>ChrisKaczor.Wpf.Windows.CategoryWindow</Product>
+		<RepositoryUrl>https://github.com/ckaczor/ChrisKaczor.Wpf.Windows.CategoryWindow</RepositoryUrl>
+		<PackageReadmeFile>README.md</PackageReadmeFile>
+		<Description>A simple reusable window that supports category navigation on the left side.</Description>
+		<PackageId>ChrisKaczor.Wpf.Windows.CategoryWindow</PackageId>
+		<PackageReadmeFile>README.md</PackageReadmeFile>
+		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+		<AssemblyName>ChrisKaczor.Wpf.Windows.CategoryWindow</AssemblyName>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ChrisKaczor.Wpf.Windows.ControlBox" Version="1.0.3" />
+    <PackageReference Include="MahApps.Metro" Version="2.4.10" />
+  </ItemGroup>
+	<ItemGroup>
+		<None Update="README.md">
+			<Pack>True</Pack>
+			<PackagePath>\</PackagePath>
+		</None>
+	</ItemGroup>
+</Project>

Wpf.Windows.CategoryWindow.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.33627.172
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Wpf.Windows.CategoryWindow", "Wpf.Windows.CategoryWindow.csproj", "{6AC93262-B257-4789-805F-6310FFA8AC9E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6AC93262-B257-4789-805F-6310FFA8AC9E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6AC93262-B257-4789-805F-6310FFA8AC9E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6AC93262-B257-4789-805F-6310FFA8AC9E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6AC93262-B257-4789-805F-6310FFA8AC9E}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C0609923-FCA7-42DB-9C92-DAEAA18EEC02}
+	EndGlobalSection
+EndGlobal

azure-pipelines.yml

@@ -0,0 +1,63 @@
+name: 1.0.$(Rev:r)
+
+pr: none
+
+trigger:
+  batch: 'true'
+  branches:
+    include:
+    - main
+
+pool:
+  vmImage: 'windows-latest'
+
+variables:
+  buildConfiguration: 'Release'
+
+steps:
+- task: GetRevision@1
+  displayName: 'Get Revision'
+  inputs:
+    VariableName: Revision
+
+- task: Assembly-Info-NetCore@3
+  displayName: 'Set Assembly Info'
+  inputs:
+    Path: '$(Build.SourcesDirectory)'
+    FileNames: '**/*.csproj'
+    InsertAttributes: true
+    FileEncoding: 'utf-8'
+    WriteBOM: true
+    FailOnWarning: true
+    Authors: 'Chris Kaczor'
+    Copyright: 'Copyright $(date:YYYY) Chris Kaczor'
+    FileVersion: '1.0.$(Revision)'
+    PackageVersion: '1.0.$(Revision)'
+
+- task: DotNetCoreCLI@2
+  displayName: 'dotnet build'
+  inputs:
+    command: 'build'
+    arguments: '--configuration $(buildConfiguration)'
+    projects: 'Wpf.Windows.CategoryWindow.csproj'
+
+- task: DotNetCoreCLI@2
+  displayName: "dotnet pack"
+  inputs:
+    command: 'pack'
+    arguments: '--configuration $(buildConfiguration)'
+    packagesToPack: 'Wpf.Windows.CategoryWindow.csproj'
+    nobuild: true
+    versioningScheme: 'byBuildNumber'
+
+- task: NuGetCommand@2
+  displayName: 'nuget push'
+  inputs:
+    command: 'push'
+    feedsToUse: 'select'
+    packagesToPush: '$(Build.ArtifactStagingDirectory)/**/*.nupkg;!$(Build.ArtifactStagingDirectory)/**/*.symbols.nupkg'
+    nuGetFeedType: external
+    publishFeedCredentials: 'NuGet'
+    publishVstsFeed: 'Packages'
+    versioningScheme: 'byBuildNumber'
+    allowPackageConflicts: true