push (does not work)

ProofOfConcept/MonacoPreview/monacoPreviewHandler/MonacoPreviewHandlerControl.cs

@@ -4,7 +4,11 @@ using System.IO.Abstractions;
 using System.Text.RegularExpressions;
 using System.Windows.Forms;
 using Common;
+using Microsoft.Web.WebView2.Core;
+using Microsoft.Web.WebView2.WinForms;
+using monacoPreview;
 using PreviewHandlerCommon;
+using WK.Libraries.WTL;
 
 namespace MonacoPreviewHandler
 {
@@ -15,7 +19,16 @@ namespace MonacoPreviewHandler
         private static readonly IPath Path = FileSystem.Path;
         private static readonly IFile File = FileSystem.File;
         
-        private WebBrowserExt _browser;
+        private Microsoft.Web.WebView2.WinForms.WebView2 webView;
+        
+        // This variable prevents users from navigating
+        private bool WasNavigated = false;
+
+        // Settings from Settings.cs
+        private readonly Settings settings = new Settings();
+
+        // Filehandler class from FileHandler.cs
+        private readonly FileHandler fileHandler = new FileHandler();
         
         public MonacoPreviewHandlerControl()
         {
@@ -29,27 +42,123 @@ namespace MonacoPreviewHandler
                 throw new ArgumentException($"{nameof(dataSource)} for {nameof(MonacoPreviewHandler)} must be a string but was a '{typeof(T)}'");
             }
             
-            string fileText = File.ReadAllText(filePath);
             
             
             
-            InvokeOnControlThread(() => 
+            InvokeOnControlThread(() =>
             {
-                _browser = new WebBrowserExt
-                {
-                    DocumentText = fileText,
-                    Dock = DockStyle.Fill,
-                    IsWebBrowserContextMenuEnabled = false,
-                    ScriptErrorsSuppressed = true,
-                    ScrollBarsEnabled = true,
-                    AllowNavigation = false,
-                };
+                webView = new Microsoft.Web.WebView2.WinForms.WebView2();
 
-                Controls.Add(_browser);
+                string[] file = GetFile(filePath);
+
+                InitializeAsync(settings.compatibility?file[0]:file[2], fileHandler.GetLanguage(file[1]));
+
+                Controls.Add(webView);
             });
-
+            
 
             base.DoPreview(dataSource);
+            
+        }
+        
+        public string[] GetFile(string args)
+        {
+            // This function gets a file
+            string[] returnValue = new string[3];
+            // Get source code
+            returnValue[0] = File.ReadAllText(args);
+            // Gets file extension (without .)
+            returnValue[1] = Path.GetExtension(args).Replace(".","");
+            returnValue[2] = args;
+            return returnValue;
+        }
+
+        private void WebView2Init(Object sender, CoreWebView2NavigationCompletedEventArgs e)
+        {
+            // This function sets the diiferent settings for the webview 
+
+            // Checks if already navigated
+            if (!WasNavigated)
+            {
+                CoreWebView2Settings settings = webView.CoreWebView2.Settings;
+
+                // Disable contextmenu
+                //settings.AreDefaultContextMenusEnabled = false;
+                // Disable developer menu
+                //settings.AreDevToolsEnabled = false;
+                // Disable script dialogs (like alert())
+                settings.AreDefaultScriptDialogsEnabled = false;
+                // Enables JavaScript
+                settings.IsScriptEnabled = true;
+                // Disable zoom woth ctrl and scroll
+                settings.IsZoomControlEnabled = false;
+                // Disable developer menu
+                settings.IsBuiltInErrorPageEnabled = false;
+                // Disable status bar
+                settings.IsStatusBarEnabled = false;
             }
+        }
+
+        private void NavigationStarted(Object sender, CoreWebView2NavigationStartingEventArgs e)
+        {
+            // Prevents navigation if already one done to index.html
+            if (WasNavigated)
+            {
+                e.Cancel = false;
+            }
+
+            // If it has navigated to index.html it stops further navigations
+            if(e.Uri.StartsWith(settings.baseURL))
+            {
+                WasNavigated = true;
+            }
+        }
+
+        private void FormResize(object sender, EventArgs e)
+        {
+            // This function gets called whan the form gets resized
+            // It's fitting the webview in the size of the window
+            // TO-DO: Javascript resize
+
+        }
+
+        public async void InitializeAsync(string code, string lang)
+        {
+            // This function initializes the webview settings
+            // Partely copied from https://weblog.west-wind.com/posts/2021/Jan/14/Taking-the-new-Chromium-WebView2-Control-for-a-Spin-in-NET-Part-1
+
+            // Sets the url
+            webView.NavigateToString((settings.compatibility?GetURLwithCode(code, lang):GetURLwithFilePath(code, lang)).ToString());
+
+            // Initialize WebView
+
+            var webViewOptions = new CoreWebView2EnvironmentOptions
+            {
+                // Enable CORS for local file access.
+                AdditionalBrowserArguments = "--disable-web-security --disable-web-security"
+            };
+
+            var env = await CoreWebView2Environment.CreateAsync(null,Path.GetTempPath(), webViewOptions);
+            await webView.EnsureCoreWebView2Async(env);
+            webView.NavigationCompleted += WebView2Init;
+            webView.NavigationStarting += NavigationStarted;
+        }
+        
+        public Uri GetURLwithFilePath(string file, string lang)
+        {
+            // This function returns a url you can use to access index.html
+
+            return new Uri(settings.baseURL + "?file=" + file + "&lang=" + lang + "&theme=" + settings.GetTheme(ThemeListener.AppMode) + "&wrap=" + (this.settings.wrap?"1":"0"));
+        }
+
+        public Uri GetURLwithCode(string code, string lang)
+        {
+            // This function returns a url you can use to access index.html
+
+            // Converts code to base64
+            code = System.Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(code)).Replace("+", "%2B");
+
+            return new Uri(settings.baseURL + "?code=" + code + "&lang=" + lang + "&theme=" + settings.GetTheme(ThemeListener.AppMode) + "&wrap=" + (this.settings.wrap ? "1" : "0"));
+        }
     }
 }