/// <summary>
/// ファイルシステム監視イベントハンドラ
/// </summary>
/// <param name="sender">イベント発行元</param>
/// <param name="e">イベント引数</param>
private void OnFileSystemUpdated(object sender, FileSystemEventArgs e)
{
if (_dispatcher == null)
return;
_dispatcher.BeginInvoke(new Action(() =>
{
var dir = Path.GetDirectoryName(e.FullPath);
var items = this.MainTree.ItemsSource as ObservableCollection<FileTreeViewItem>;
var item = items.FirstOrDefault(x => x.FullPath == dir);
if (item != null)
{
var newItem = new FileTreeViewItem(dir, this.SearchPattern, this.IsFileEnabled) { IsExpanded = item.IsExpanded };
var index = items.IndexOf(item);
items.RemoveAt(index);
items.Insert(index, newItem);
}
System.Diagnostics.Trace.WriteLine("ファイルシステムが更新されましたぁ！");
}), DispatcherPriority.Normal);
}
/// <summary>
/// 初期化をおこないます。
/// </summary>
private void Initilization()
{
// テンプレート適用前は処理しない
if (this.MainTree == null)
return;
var w = Window.GetWindow(this);
if (w == null)
return;
ObservableCollection<FileTreeViewItem> rootCollection = null;
if (Directory.Exists(this.RootPath))
{
var root = new FileTreeViewItem(this.RootPath, this.SearchPattern, this.IsFileEnabled) { IsExpanded = true };
rootCollection = new ObservableCollection<FileTreeViewItem>()
{
root,
};
}
else
{
var handle = (new WindowInteropHelper(w)).Handle;
#region マイコンピュータ
_myComputer = new FileTreeViewItem("", this.SearchPattern, this.IsFileEnabled);
_myComputer.Name = "マイコンピュータ";
_myComputer.IsExpanded = true;
_myComputer.IsExpanded = false;
_myComputer.BitmapByteArray = Shell32.ShellInfo.GetSpecialIconByByteArray(handle, Shell32.ShellInfo.FolderID.MyComputer);
_myComputer.Children = new ObservableCollection<FileTreeViewItem>();
var infoArray = DriveInfo.GetDrives();
foreach (var info in infoArray)
{
if (info.IsReady)
{
(_myComputer.Children as ObservableCollection<FileTreeViewItem>).Add(new FileTreeViewItem(info.RootDirectory.FullName, this.SearchPattern, this.IsFileEnabled));
}
}
#endregion マイコンピュータ
#region マイドキュメント
var myDocumentPath = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var myDocument = new FileTreeViewItem(myDocumentPath, this.SearchPattern, this.IsFileEnabled);
#endregion マイドキュメント
#region デスクトップ
var desktopPath = System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
var desktop = new FileTreeViewItem(desktopPath, this.SearchPattern, this.IsFileEnabled);
desktop.Name = "デスクトップ";
desktop.IsExpanded = true;
(desktop.Children as Collection<FileTreeViewItem>).Insert(0, _myComputer);
(desktop.Children as Collection<FileTreeViewItem>).Insert(1, myDocument);
#endregion デスクトップ
rootCollection = new ObservableCollection<FileTreeViewItem>()
{
desktop,
};
}
this.MainTree.ItemsSource = rootCollection ?? new ObservableCollection<FileTreeViewItem>();
#region ファイルシステムの監視
if (this._watchers != null)
{
foreach (var watcher in this._watchers)
{
watcher.EnableRaisingEvents = false;
watcher.Changed -= OnFileSystemUpdated;
watcher.Created -= OnFileSystemUpdated;
watcher.Deleted -= OnFileSystemUpdated;
watcher.Renamed -= OnFileSystemUpdated;
watcher.Dispose();
}
this._watchers.Clear();
}
else
{
this._watchers = new List<FileSystemWatcher>();
}
if (this.IsSynchronizeFileSystem)
{
_dispatcher = w.Dispatcher;
foreach (var item in rootCollection)
{
if (!string.IsNullOrWhiteSpace(item.FullPath) && Directory.Exists(item.FullPath))
{
var watcher = new FileSystemWatcher()
{
Path = item.FullPath,
Filter = "",
NotifyFilter = NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.LastWrite,
IncludeSubdirectories = true,
SynchronizingObject = w as System.ComponentModel.ISynchronizeInvoke,
};
watcher.Changed += OnFileSystemUpdated;
watcher.Created += OnFileSystemUpdated;
watcher.Deleted += OnFileSystemUpdated;
watcher.Renamed += OnFileSystemUpdated;
watcher.EnableRaisingEvents = true;
this._watchers.Add(watcher);
}
}
}
else
{
this._watchers = null;
_dispatcher = null;
}
#endregion ファイルシステムの監視
}