update: theme change mechanism

Author: trgiangv

source/RevitDevTool/Theme/ThemeBundle.cs

@@ -0,0 +1,20 @@
+using Autodesk.Revit.UI;
+using MaterialDesignThemes.Wpf;
+
+namespace RevitDevTool.Theme;
+
+public class ThemeBundle : BundledTheme
+{
+    public ThemeBundle()
+    {
+        BaseTheme = UIThemeManager.CurrentTheme switch
+        {
+            UITheme.Light => MaterialDesignThemes.Wpf.BaseTheme.Light,
+            UITheme.Dark => MaterialDesignThemes.Wpf.BaseTheme.Dark,
+            _ => throw new ArgumentOutOfRangeException()
+        };
+        PrimaryColor = MaterialDesignColors.PrimaryColor.Orange;
+        SecondaryColor = MaterialDesignColors.SecondaryColor.Amber;
+        ColorAdjustment = new ColorAdjustment();
+    }
+}

source/RevitDevTool/View/TraceLog.xaml

@@ -7,6 +7,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:md="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:sys="clr-namespace:System;assembly=mscorlib"
+    xmlns:theme="clr-namespace:RevitDevTool.Theme"
     xmlns:vm="clr-namespace:RevitDevTool.ViewModel"
     d:DesignHeight="600"
     d:DesignWidth="450"
@@ -21,7 +22,8 @@
     <Page.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
-                <ResourceDictionary Source="../Theme/Theme.xaml" />
+                <theme:ThemeBundle />
+                <ResourceDictionary Source="/MaterialDesignThemes.Wpf;component/Themes/MaterialDesign3.Defaults.xaml" />
             </ResourceDictionary.MergedDictionaries>
 
             <ObjectDataProvider
@@ -41,7 +43,9 @@
     </Page.DataContext>
 
     <DockPanel>
-        <DockPanel Margin="5" DockPanel.Dock="Top">
+        <DockPanel
+            Margin="5"
+            DockPanel.Dock="Top">
             <ComboBox
                 Width="85"
                 VerticalAlignment="Center"
@@ -54,19 +58,19 @@
                 Orientation="Horizontal">
                 <Button
                     Margin="5,0"
-                    Padding="5 0"
+                    Padding="5,0"
+                    md:ButtonAssist.CornerRadius="5"
                     Command="{Binding ClearCommand}"
                     Content="{md:PackIcon Kind=Backspace,
                                           Size=25}"
-
                     ToolTip="Clear Log" />
                 <Button
                     Margin="5,0"
-                    Padding="5 0"
+                    Padding="5,0"
+                    md:ButtonAssist.CornerRadius="5"
                     Command="{Binding ClearGeometryCommand}"
                     Content="{md:PackIcon Kind=ShapePlus,
                                           Size=25}"
-
                     ToolTip="Clear Geometry" />
                 <ToggleButton
                     md:ToggleButtonAssist.OnContent="{md:PackIcon Kind=AccessPoint}"

source/RevitDevTool/View/TraceLog.xaml.cs

@@ -1,21 +1,52 @@
-using System.Windows.Controls;
+using System.ComponentModel;
+using System.Windows;
 using Autodesk.Revit.UI;
+using MaterialDesignThemes.Wpf;
+using UIFramework;
 
 namespace RevitDevTool.View;
 
-public partial class TraceLog : IDockablePaneProvider
+public partial class TraceLog : IDisposable
 {
     public TraceLog()
     {
         InitializeComponent();
+#if REVIT2024_OR_GREATER
+        ApplicationTheme.CurrentTheme.PropertyChanged += ApplyTheme;
+#endif
     }
 
-    public void SetupDockablePane(DockablePaneProviderData data)
+#if REVIT2024_OR_GREATER
+    private void ApplyTheme(object? sender, PropertyChangedEventArgs args)
     {
-        data.VisibleByDefault = true;
-        data.InitialState = new DockablePaneState
+        if (args.PropertyName != nameof(ApplicationTheme.CurrentTheme.RibbonPanelBackgroundBrush)) return;
+        if (UIThemeManager.CurrentTheme.ToString() == ApplicationTheme.CurrentTheme.RibbonTheme.Name) return;
+    
+        var resourceDictionary = GetThemeResourceDictionary();
+        var materialDesignTheme = resourceDictionary.GetTheme();
+
+        var newTheme = UIThemeManager.CurrentTheme switch
         {
-            DockPosition = DockPosition.Left,
+            UITheme.Light => BaseTheme.Light,
+            UITheme.Dark => BaseTheme.Dark,
+            _ => throw new ArgumentOutOfRangeException()
         };
+        materialDesignTheme.SetBaseTheme(newTheme);
+        resourceDictionary.SetTheme(materialDesignTheme);
+    }
+    
+    private ResourceDictionary GetThemeResourceDictionary()
+    {
+        return Resources.MergedDictionaries.First(x => x is IMaterialDesignThemeDictionary);
+    }
+#endif
+
+    public void Dispose()
+    {
+#if REVIT2024_OR_GREATER
+        ApplicationTheme.CurrentTheme.PropertyChanged -= ApplyTheme;
+#endif
+        Resources.MergedDictionaries.Clear();
+        GC.SuppressFinalize(this);
     }
 }