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// SourceEditorView.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (c) 2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.IO;
using MonoDevelop.Core;
using Services = MonoDevelop.Projects.Services;
using MonoDevelop.Ide;
using MonoDevelop.Ide.TypeSystem;
namespace MonoDevelop.SourceEditor
{
/// <summary>
/// The File registry handles events that are affecting all open source views to allow the
/// operations to 'do action on all'/'ignore action on all'. (think of 50 files that needs to be reloaded)
/// </summary>
static class FileRegistry
{
readonly static List<SourceEditorView> openFiles = new List<SourceEditorView> ();
readonly static FileSystemWatcher fileSystemWatcher;
readonly static StringComparison fileNameComparer = Platform.IsWindows ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
public static bool SuspendFileWatch {
get;
set;
}
static FileRegistry ()
{
fileSystemWatcher = new FileSystemWatcher ();
fileSystemWatcher.Created += (s,e) => Runtime.RunInMainThread (() => OnFileChanged (s,e));
fileSystemWatcher.Changed += (s,e) => Runtime.RunInMainThread (() => OnFileChanged (s,e));
FileService.FileCreated += HandleFileServiceChange;
FileService.FileChanged += HandleFileServiceChange;
}
public static void Add (SourceEditorView sourceEditorView)
{
openFiles.Add (sourceEditorView);
}
public static void Remove (SourceEditorView sourceEditorView)
{
openFiles.Remove (sourceEditorView);
UpdateEolMessages ();
}
static bool SkipView (SourceEditorView view)
{
return view.Document == null || !view.IsFile || view.IsUntitled;
}
static void HandleFileServiceChange (object sender, FileEventArgs e)
{
// The Ide.Document generates a file service changed event this needs to be skipped.
if (!TypeSystemService.TrackFileChanges)
return;
bool foundOneChange = false;
foreach (var file in e) {
foreach (var view in openFiles) {
if (SkipView (view) || !string.Equals (view.ContentName, file.FileName, fileNameComparer))
continue;
if (!view.IsDirty/* && (IdeApp.Workbench.AutoReloadDocuments || file.AutoReload)*/)
view.SourceEditorWidget.Reload ();
else
foundOneChange = true;
}
}
if (foundOneChange)
CommitViewChange (GetAllChangedFiles ());
}
static List<SourceEditorView> GetAllChangedFiles ()
{
var changedViews = new List<SourceEditorView> ();
foreach (var view in openFiles) {
if (SkipView (view))
continue;
if (view.LastSaveTimeUtc == File.GetLastWriteTimeUtc (view.ContentName))
continue;
if (!view.IsDirty/* && IdeApp.Workbench.AutoReloadDocuments*/)
view.SourceEditorWidget.Reload ();
else
changedViews.Add (view);
}
return changedViews;
}
static void OnFileChanged (object sender, FileSystemEventArgs e)
{
if (e.ChangeType == WatcherChangeTypes.Changed || e.ChangeType == WatcherChangeTypes.Created)
CheckFileChange (e.FullPath);
}
static void CheckFileChange (string fileName)
{
if (SuspendFileWatch)
return;
var changedViews = new List<SourceEditorView> ();
foreach (var view in openFiles) {
if (SkipView (view))
continue;
if (string.Equals (view.ContentName, fileName, fileNameComparer)) {
if (view.LastSaveTimeUtc == File.GetLastWriteTimeUtc (fileName))
continue;
if (!view.IsDirty/* && IdeApp.Workbench.AutoReloadDocuments*/)
view.SourceEditorWidget.Reload ();
else
changedViews.Add (view);
}
}
CommitViewChange (changedViews);
}
static void CommitViewChange (List<SourceEditorView> changedViews)
{
if (changedViews.Count == 0)
return;
if (changedViews.Count == 1) {
changedViews [0].SourceEditorWidget.ShowFileChangedWarning (false);
} else {
foreach (var view in changedViews) {
view.SourceEditorWidget.ShowFileChangedWarning (true);
}
if (!changedViews.Contains (IdeApp.Workbench.ActiveDocument.PrimaryView.GetContent<SourceEditorView> ()))
changedViews [0].WorkbenchWindow.SelectWindow ();
}
}
public static void IgnoreAllChangedFiles ()
{
foreach (var view in GetAllChangedFiles ()) {
view.LastSaveTimeUtc = File.GetLastWriteTime (view.ContentName);
view.SourceEditorWidget.RemoveMessageBar ();
view.WorkbenchWindow.ShowNotification = false;
}
}
public static void ReloadAllChangedFiles ()
{
foreach (var view in GetAllChangedFiles ()) {
view.SourceEditorWidget.RemoveMessageBar ();
view.SourceEditorWidget.Reload ();
view.WorkbenchWindow.ShowNotification = false;
}
}
#region EOL markers
public static bool HasMultipleIncorrectEolMarkers {
get {
int count = 0;
foreach (var view in openFiles) {
if (SkipView (view) || !view.SourceEditorWidget.HasIncorrectEolMarker)
continue;
count++;
if (count > 1)
return true;
}
return false;
}
}
public static void ConvertLineEndingsInAllFiles ()
{
DefaultSourceEditorOptions.Instance.LineEndingConversion = LineEndingConversion.ConvertAlways;
foreach (var view in openFiles) {
if (SkipView (view) || !view.SourceEditorWidget.HasIncorrectEolMarker)
continue;
view.SourceEditorWidget.ConvertLineEndings ();
view.SourceEditorWidget.RemoveMessageBar ();
view.WorkbenchWindow.ShowNotification = false;
view.Save ();
}
}
public static void IgnoreLineEndingsInAllFiles ()
{
DefaultSourceEditorOptions.Instance.LineEndingConversion = LineEndingConversion.LeaveAsIs;
foreach (var view in openFiles) {
if (SkipView (view) || !view.SourceEditorWidget.HasIncorrectEolMarker)
continue;
view.SourceEditorWidget.UseIncorrectMarkers = true;
view.SourceEditorWidget.RemoveMessageBar ();
view.WorkbenchWindow.ShowNotification = false;
view.Save ();
}
}
public static void UpdateEolMessages ()
{
var multiple = HasMultipleIncorrectEolMarkers;
foreach (var view in openFiles) {
if (SkipView (view) || !view.SourceEditorWidget.HasIncorrectEolMarker)
continue;
view.SourceEditorWidget.UpdateEolMarkerMessage(multiple);
}
}
#endregion
}
}
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