Add IAppSystemHandler w/ OpenFileExplorer and update existing code to use it

Core/Other/FormPlugins.cs

@@ -1,10 +1,10 @@
 using System;
-using System.Diagnostics;
 using System.Drawing;
 using System.Linq;
 using System.Windows.Forms;
 using TweetDuck.Configuration;
 using TweetDuck.Plugins;
+using TweetLib.Core;
 using TweetLib.Core.Features.Plugins;
 
 namespace TweetDuck.Core.Other{
@@ -95,7 +95,7 @@ public void flowLayoutPlugins_Resize(object sender, EventArgs e){
         }
 
         private void btnOpenFolder_Click(object sender, EventArgs e){
-            using(Process.Start("explorer.exe", '"'+pluginManager.PathCustomPlugins+'"')){}
+            App.SystemHandler.OpenFileExplorer(pluginManager.PathCustomPlugins);
         }
 
         private void btnReload_Click(object sender, EventArgs e){

Core/Other/Settings/TabSettingsAdvanced.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using TweetDuck.Configuration;
@@ -7,6 +6,7 @@
 using TweetDuck.Core.Management;
 using TweetDuck.Core.Other.Settings.Dialogs;
 using TweetDuck.Core.Utils;
+using TweetLib.Core;
 
 namespace TweetDuck.Core.Other.Settings{
     sealed partial class TabSettingsAdvanced : BaseTabSettings{
@@ -67,11 +67,11 @@ public override void OnClosing(){
         #region Application
         
         private void btnOpenAppFolder_Click(object sender, EventArgs e){
-            using(Process.Start("explorer.exe", "\""+Program.ProgramPath+"\"")){}
+            App.SystemHandler.OpenFileExplorer(Program.ProgramPath);
         }
 
         private void btnOpenDataFolder_Click(object sender, EventArgs e){
-            using(Process.Start("explorer.exe", "\""+Program.StoragePath+"\"")){}
+            App.SystemHandler.OpenFileExplorer(Program.StoragePath);
         }
 
         private void btnRestart_Click(object sender, EventArgs e){

Impl/SystemHandler.cs

@@ -0,0 +1,16 @@
+using System.Diagnostics;
+using System.IO;
+using TweetLib.Core.Application;
+
+namespace TweetDuck.Impl{
+    class SystemHandler : IAppSystemHandler{
+        void IAppSystemHandler.OpenFileExplorer(string path){
+            if (File.Exists(path)){
+                using(Process.Start("explorer.exe", "/select,\"" + path.Replace('/', '\\') + "\"")){}
+            }
+            else if (Directory.Exists(path)){
+                using(Process.Start("explorer.exe", '"' + path.Replace('/', '\\') + '"')){}
+            }
+        }
+    }
+}

Program.cs

@@ -12,6 +12,7 @@
 using TweetDuck.Core.Other;
 using TweetDuck.Core.Management;
 using TweetDuck.Core.Utils;
+using TweetDuck.Impl;
 using TweetLib.Core;
 using TweetLib.Core.Collections;
 using TweetLib.Core.Utils;
@@ -58,7 +59,8 @@ static Program(){
             Config = new ConfigManager();
 
             Lib.Initialize(new App.Builder{
-                ErrorHandler = Reporter
+                ErrorHandler = Reporter,
+                SystemHandler = new SystemHandler()
             });
         }
 

TweetDuck.csproj

@@ -239,6 +239,7 @@
     <Compile Include="Core\Other\FormSettings.Designer.cs">
       <DependentUpon>FormSettings.cs</DependentUpon>
     </Compile>
+    <Compile Include="Impl\SystemHandler.cs" />
     <Compile Include="Plugins\PluginControl.cs">
       <SubType>UserControl</SubType>
     </Compile>

lib/TweetLib.Core/App.cs

@@ -4,16 +4,19 @@
 namespace TweetLib.Core{
     public sealed class App{
         public static IAppErrorHandler ErrorHandler { get; private set; }
+        public static IAppSystemHandler SystemHandler { get; private set; }
 
         // Builder
 
         public sealed class Builder{
             public IAppErrorHandler? ErrorHandler { get; set; }
+            public IAppSystemHandler? SystemHandler { get; set; }
 
             // Validation
 
             internal void Initialize(){
                 App.ErrorHandler = Validate(ErrorHandler, nameof(ErrorHandler))!;
+                App.SystemHandler = Validate(SystemHandler, nameof(SystemHandler))!;
             }
 
             private T Validate<T>(T obj, string name){

lib/TweetLib.Core/Application/IAppSystemHandler.cs

@@ -0,0 +1,5 @@
+namespace TweetLib.Core.Application{
+    public interface IAppSystemHandler{
+        void OpenFileExplorer(string path);
+    }
+}