Revert patches for SD-1783 (react to "read only" changes).

src/AddIns/BackendBindings/Scripting/Test/Utils/MockViewContent.cs

@@ -26,7 +26,6 @@ namespace ICSharpCode.Scripting.Tests.Utils
 		public event EventHandler TabPageTextChanged;
 		public event EventHandler Disposed;
 		public event EventHandler IsDirtyChanged;
-		public event EventHandler IsReadOnlyChanged;
 		
 		public string TitleName {
 			get {
@@ -235,13 +234,6 @@ namespace ICSharpCode.Scripting.Tests.Utils
 			}
 		}
 		
-		protected virtual void OnIsReadOnlyChanged(EventArgs e)
-		{
-			if (IsReadOnlyChanged != null) {
-				IsReadOnlyChanged(this, e);
-			}
-		}
-		
 		public object GetService(Type serviceType)
 		{
 			return null;

src/AddIns/BackendBindings/WixBinding/Test/Utils/MockViewContent.cs

@@ -41,7 +41,6 @@ namespace WixBinding.Tests.Utils
 		public event EventHandler IsDirtyChanged;
 		public event EventHandler TitleNameChanged;
 		public event EventHandler InfoTipChanged;
-		public event EventHandler IsReadOnlyChanged;
 		#pragma warning restore 67
 		
 		public IList<OpenedFile> Files {

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/AvalonEditViewContent.cs

@@ -5,12 +5,15 @@ using System;
 using System.IO;
 using System.Linq;
 using System.Text;
-
+using System.Windows.Threading;
 using ICSharpCode.AvalonEdit.AddIn.Options;
+using ICSharpCode.AvalonEdit.Document;
 using ICSharpCode.AvalonEdit.Highlighting;
+using ICSharpCode.AvalonEdit.Utils;
 using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop;
 using ICSharpCode.SharpDevelop.Bookmarks;
+using ICSharpCode.SharpDevelop.Dom;
 using ICSharpCode.SharpDevelop.Editor;
 using ICSharpCode.SharpDevelop.Gui;
 using ICSharpCode.SharpDevelop.Project;
@@ -50,23 +53,6 @@ namespace ICSharpCode.AvalonEdit.AddIn
 			codeEditor.Document.UndoStack.PropertyChanged += codeEditor_Document_UndoStack_PropertyChanged;
 			codeEditor.CaretPositionChanged += CaretChanged;
 			codeEditor.TextCopied += codeEditor_TextCopied;
-			
-			// get the watcher for the file
-			var watcher = FileChangeWatcher.ActiveWatchers.FirstOrDefault(w => w.File == file);
-			if (watcher != null)
-				watcher.FileChanged += OnFileExternallyChanged;
-		}
-
-		void OnFileExternallyChanged(object sender, EventArgs e)
-		{
-			// handle readonly
-			if (this.PrimaryFileName != null && File.Exists(this.PrimaryFileName)) {
-				bool isExternalReadOnly = (File.GetAttributes(this.PrimaryFileName) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly;
-				if (isExternalReadOnly != IsReadOnly) {
-					codeEditor.PrimaryTextEditor.IsReadOnly = isExternalReadOnly;
-					OnIsReadOnlyChanged(EventArgs.Empty);
-				}
-			}
 		}
 		
 		void codeEditor_Document_UndoStack_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)

src/AddIns/DisplayBindings/XmlEditor/Test/Utils/MockViewContent.cs

@@ -53,15 +53,6 @@ namespace XmlEditor.Tests.Utils
 			}
 		}
 		
-		public event EventHandler IsReadOnlyChanged;
-		
-		protected virtual void OnIsReadOnlyChanged(EventArgs e)
-		{
-			if (IsReadOnlyChanged != null) {
-				IsReadOnlyChanged(this, e);
-			}
-		}
-		
 		public object Control {
 			get {
 				throw new NotImplementedException();

src/AddIns/Misc/Reports/ICSharpCode.Reports.Addin/Test/Designer/MockViewContend.cs

@@ -28,7 +28,6 @@ namespace ICSharpCode.Reports.Addin.Test.Designer
 		public event EventHandler TabPageTextChanged;
 		public event EventHandler Disposed;
 		public event EventHandler IsDirtyChanged;
-		public event EventHandler IsReadOnlyChanged;
 		
 		public object Control
 		{
@@ -231,13 +230,6 @@ namespace ICSharpCode.Reports.Addin.Test.Designer
 			}
 		}
 		
-		protected virtual void OnIsReadOnlyChanged(EventArgs e)
-		{
-			if (IsReadOnlyChanged != null) {
-				IsReadOnlyChanged(this, e);
-			}
-		}
-		
 		public object InitiallyFocusedControl {
 			get {
 				throw new NotImplementedException();

src/Main/Base/Project/Src/Gui/AbstractViewContent.cs

@@ -2,10 +2,11 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
+using System.ComponentModel.Design;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.ComponentModel.Design;
 using System.IO;
+using System.Windows.Forms;
 
 using ICSharpCode.Core;
 using ICSharpCode.Core.Presentation;
@@ -392,6 +393,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		}
 		#endregion
 
+
 		#region InfoTip
 		public event EventHandler InfoTipChanged;
 
@@ -606,7 +608,6 @@ namespace ICSharpCode.SharpDevelop.Gui
 			return null;
 		}
 		
-		#region Read only
 		/// <summary>
 		/// Gets if the view content is read-only (can be saved only when choosing another file name).
 		/// </summary>
@@ -614,16 +615,6 @@ namespace ICSharpCode.SharpDevelop.Gui
 			get { return false; }
 		}
 		
-		public event EventHandler IsReadOnlyChanged;
-		
-		protected virtual void OnIsReadOnlyChanged(EventArgs e)
-		{
-			if (IsReadOnlyChanged != null) {
-				IsReadOnlyChanged(this, e);
-			}
-		}
-		#endregion
-		
 		/// <summary>
 		/// Gets if the view content is view-only (cannot be saved at all).
 		/// </summary>

src/Main/Base/Project/Src/Gui/IViewContent.cs

@@ -145,11 +145,6 @@ namespace ICSharpCode.SharpDevelop.Gui
 		/// </summary>
 		bool IsReadOnly { get; }
 		
-		/// <summary>
-		/// Is called each time the IsReadonly for the content has changed.
-		/// </summary>
-		event EventHandler IsReadOnlyChanged;
-		
 		/// <summary>
 		/// Gets if the view content is view-only (cannot be saved at all).
 		/// </summary>

src/Main/Base/Project/Src/Gui/Workbench/Layouts/AvalonWorkbenchWindow.cs

@@ -145,10 +145,8 @@ namespace ICSharpCode.SharpDevelop.Gui
 			UpdateTitleAndInfoTip();
 			
 			IViewContent newActiveViewContent = this.ActiveViewContent;
-			if (newActiveViewContent != null) {
+			if (newActiveViewContent != null)
 				IsLocked = newActiveViewContent.IsReadOnly;
-				newActiveViewContent.IsReadOnlyChanged += delegate { IsLocked = newActiveViewContent.IsReadOnly; };
-			}
 
 			if (oldActiveViewContent != newActiveViewContent && ActiveViewContentChanged != null) {
 				ActiveViewContentChanged(this, EventArgs.Empty);

src/Main/Base/Project/Src/Services/File/FileChangeWatcher.cs

@@ -3,14 +3,15 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
-
-using ICSharpCode.Core;
+using System.Windows.Forms;
 using ICSharpCode.SharpDevelop.Gui;
+using ICSharpCode.Core;
 
 namespace ICSharpCode.SharpDevelop
 {
-	public sealed class FileChangeWatcher : IDisposable
+	internal sealed class FileChangeWatcher : IDisposable
 	{
 		public static bool DetectExternalChangesOption {
 			get {
@@ -36,10 +37,6 @@ namespace ICSharpCode.SharpDevelop
 		
 		static HashSet<FileChangeWatcher> activeWatchers = new HashSet<FileChangeWatcher>();
 		
-		public static HashSet<FileChangeWatcher> ActiveWatchers {
-			get { return activeWatchers; }
-		}
-		
 		static int globalDisableCount;
 		
 		public static bool AllChangeWatchersDisabled {
@@ -66,23 +63,9 @@ namespace ICSharpCode.SharpDevelop
 			Project.ProjectChangeWatcher.OnAllChangeWatchersDisabledChanged();
 		}
 		
-		public event EventHandler FileChanged;
-		
-		void OnFileChanged(EventArgs e)
-		{
-			if (FileChanged != null) {
-				FileChanged(this, e);
-			}
-		}
-		
 		FileSystemWatcher watcher;
 		bool wasChangedExternally = false;
 		OpenedFile file;
-		bool isFileReadOnly;
-		
-		public OpenedFile File {
-			get { return file; }
-		}
 		
 		public FileChangeWatcher(OpenedFile file)
 		{
@@ -93,10 +76,6 @@ namespace ICSharpCode.SharpDevelop
 			file.FileNameChanged += file_FileNameChanged;
 			activeWatchers.Add(this);
 			SetWatcher();
-			
-			if (System.IO.File.Exists(this.file.FileName)) {
-				isFileReadOnly = (System.IO.File.GetAttributes(this.file.FileName) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly;
-			}
 		}
 
 		void file_FileNameChanged(object sender, EventArgs e)
@@ -164,7 +143,6 @@ namespace ICSharpCode.SharpDevelop
 				watcher.Path = Path.GetDirectoryName(fileName);
 				watcher.Filter = Path.GetFileName(fileName);
 				watcher.EnableRaisingEvents = true;
-				watcher.NotifyFilter |= NotifyFilters.Attributes;
 			} catch (PlatformNotSupportedException) {
 				if (watcher != null) {
 					watcher.Dispose();
@@ -192,8 +170,6 @@ namespace ICSharpCode.SharpDevelop
 			LoggingService.Debug("File " + file.FileName + " was changed externally: " + e.ChangeType);
 			if (!wasChangedExternally) {
 				wasChangedExternally = true;
-				OnFileChanged(EventArgs.Empty);
-				
 				if (WorkbenchSingleton.Workbench.IsActiveWindow) {
 					// delay reloading message a bit, prevents showing two messages
 					// when the file changes twice in quick succession; and prevents
@@ -207,22 +183,14 @@ namespace ICSharpCode.SharpDevelop
 		
 		void MainForm_Activated(object sender, EventArgs e)
 		{
-			if (file == null)
-				return;
-			
-			if (System.IO.File.Exists(file.FileName)) {
-				// if the file was only made readonly, prevent reloading it from disk
-				bool readOnly = (System.IO.File.GetAttributes(this.file.FileName) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly;
-				if (readOnly != isFileReadOnly)
-					wasChangedExternally = false;
-				isFileReadOnly = readOnly;
-			}
-			
 			if (wasChangedExternally) {
 				wasChangedExternally = false;
 				
+				if (file == null)
+					return;
+				
 				string fileName = file.FileName;
-				if (!System.IO.File.Exists(fileName))
+				if (!File.Exists(fileName))
 					return;
 				
 				string message = StringParser.Parse(
@@ -232,7 +200,7 @@ namespace ICSharpCode.SharpDevelop
 				if ((AutoLoadExternalChangesOption && file.IsDirty == false)
 				    || MessageService.AskQuestion(message, StringParser.Parse("${res:MainWindow.DialogName}")))
 				{
-					if (System.IO.File.Exists(fileName)) {
+					if (File.Exists(fileName)) {
 						file.ReloadFromDisk();
 					}
 				} else {

src/Main/Base/Project/Src/Util/FakeXmlViewContent.cs

@@ -213,14 +213,5 @@ namespace ICSharpCode.SharpDevelop.Util
 			return null;
 		}
 		#endregion
-		
-		public event EventHandler IsReadOnlyChanged;
-		
-		protected void OnIsReadOnlyChanged(EventArgs e)
-		{
-			if (IsReadOnlyChanged != null) {
-				IsReadOnlyChanged(this, e);
-			}
-		}
 	}
 }