Create Flow Launcher Theme Selector plugin

Author: Odotocodot

Plugins/Flow.Launcher.Plugin.FlowThemeSelector/Flow.Launcher.Plugin.FlowThemeSelector.csproj

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+
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Library</OutputType>
+    <TargetFramework>net7.0-windows</TargetFramework>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <OutputPath>..\..\Output\Debug\Plugins\Flow.Launcher.Plugin.FlowThemeSelector</OutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <OutputPath>..\..\Output\Release\Plugins\Flow.Launcher.Plugin.FlowThemeSelector</OutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\Flow.Launcher.Infrastructure\Flow.Launcher.Infrastructure.csproj" />
+    <ProjectReference Include="..\..\Flow.Launcher.Core\Flow.Launcher.Core.csproj" />
+    <ProjectReference Include="..\..\Flow.Launcher.Plugin\Flow.Launcher.Plugin.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Include="plugin.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+  
+  <ItemGroup>
+    <None Update="icon.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Plugins/Flow.Launcher.Plugin.FlowThemeSelector/Main.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Flow.Launcher.Core.Resource;
+
+namespace Flow.Launcher.Plugin.FlowThemeSelector
+{
+    public class FlowThemeSelector : IPlugin, IReloadable, IDisposable
+    {
+        private PluginInitContext context;
+        private IEnumerable<string> themes;
+
+        public void Init(PluginInitContext context)
+        {
+            this.context = context;
+            context.API.VisibilityChanged += OnVisibilityChanged;
+        }
+
+        public List<Result> Query(Query query)
+        {
+            if (query.IsReQuery)
+            {
+                LoadThemes();
+            }
+
+            if (string.IsNullOrWhiteSpace(query.Search))
+            {
+                return themes.Select(CreateThemeResult)
+                             .OrderBy(x => x.Title)
+                             .ToList();
+            }
+
+            return themes.Select(theme => (theme, matchResult: context.API.FuzzySearch(query.Search, theme)))
+                         .Where(x => x.matchResult.IsSearchPrecisionScoreMet())
+                         .Select(x => CreateThemeResult(x.theme, x.matchResult.Score, x.matchResult.MatchData))
+                         .OrderBy(x => x.Title)
+                         .ToList();
+        }
+
+        private void OnVisibilityChanged(object sender, VisibilityChangedEventArgs args)
+        {
+            if (args.IsVisible && !context.CurrentPluginMetadata.Disabled)
+            {
+                LoadThemes();
+            }
+        }
+
+        public void LoadThemes() => themes = ThemeManager.Instance.LoadAvailableThemes().Select(Path.GetFileNameWithoutExtension);
+
+        public static Result CreateThemeResult(string theme) => CreateThemeResult(theme, 0, null);
+
+        public static Result CreateThemeResult(string theme, int score, IList<int> highlightData)
+        {
+            string title;
+            if (theme == ThemeManager.Instance.Settings.Theme)
+            {
+                title = $"{theme} ★";
+                score = 2000;
+            }
+            else
+            {
+                title = theme;
+            }
+
+            return new Result
+            {
+                Title = title,
+                TitleHighlightData = highlightData,
+                Glyph = new GlyphInfo("/Resources/#Segoe Fluent Icons", "\ue790"),
+                Score = score,
+                Action = c =>
+                {
+                    ThemeManager.Instance.ChangeTheme(theme);
+                    return true;
+                }
+            };
+        }
+
+        public void ReloadData() => LoadThemes();
+
+        public void Dispose()
+        {
+            if (context != null && context.API != null)
+            {
+                context.API.VisibilityChanged -= OnVisibilityChanged;
+            }
+        }
+
+    }
+}

Plugins/Flow.Launcher.Plugin.FlowThemeSelector/icon.png

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+{
+    "ID": "4DFA743E1086414BAB0AA3071D561D75",
+    "ActionKeyword": "flowtheme",
+    "Name": "Flow Launcher Theme Selector",
+    "Description": "Quickly switch your Flow Launcher theme.",
+    "Author": "Odotocodot",
+    "Version": "1.0.0",
+    "Language": "csharp",
+    "Website": "https://github.com/Flow-Launcher/Flow.Launcher",
+    "IcoPath": "icon.png",
+    "ExecuteFileName": "Flow.Launcher.Plugin.FlowThemeSelector.dll"
+}