protected bool CheckRecursive(DirectoryViewModel dir, DirectoryInfo searchedDir, out DirectoryViewModel find)
{
if (dir.Info.FullName.Equals(searchedDir.FullName))
{
find = dir;
return(true);
}
foreach (var item in dir.Items.OfType <DirectoryViewModel>())
{
if (item.Info.FullName.Equals(searchedDir.FullName))
{
find = item;
return(true);
}
DirectoryViewModel possibleFind;
if (CheckRecursive(item, searchedDir, out possibleFind))
{
find = possibleFind;
return(true);
}
}
find = null;
return(false);
}
private void SyncronizeChange(FileSystemEventArgs e)
{
var attr = File.GetAttributes(e.FullPath);
string changedDirName;
FileSystemItemViewModel newVm;
if (attr.HasFlag(FileAttributes.Directory))
{
var info = new DirectoryInfo(e.FullPath);
newVm = new DirectoryViewModel(info);
changedDirName = info.Parent.FullName;
}
else
{
var info = new FileInfo(e.FullPath);
newVm = new FileViewModel(info);
changedDirName = info.DirectoryName;
}
var changedDir = GetChangedDirVm(new DirectoryInfo(changedDirName));
switch (e.ChangeType)
{
case WatcherChangeTypes.Changed:
case WatcherChangeTypes.Created:
if (!changedDir.Items.Any(x => x.Name.Equals(newVm.Name)))
{
Application.Current.Dispatcher.Invoke(() => changedDir.Items.Add(newVm));
}
break;
case WatcherChangeTypes.Deleted:
Application.Current.Dispatcher.Invoke(
() => changedDir.Items.Remove(changedDir.Items.Single(x => x.Name.Equals(newVm.Name))));
break;
case WatcherChangeTypes.Renamed:
var renEa = e as RenamedEventArgs;
var oldName = renEa.OldName.Split('\\').Last();
var changedItem = changedDir.Items.Single(x => x.Name.Equals(oldName));
if (changedItem is DirectoryViewModel)
{
(changedItem as DirectoryViewModel).Info = new DirectoryInfo(renEa.FullPath);
}
else
{
(changedItem as FileViewModel).Info = new FileInfo(renEa.FullPath);
}
changedItem.Invalidate();
break;
}
}
protected DirectoryViewModel GetChangedDirVm(DirectoryInfo info)
{
DirectoryViewModel changedDir = null;
foreach (var r in Root)
{
CheckRecursive(r, info, out changedDir);
}
return(changedDir);
}
protected DirectoryViewModel ParseDirectory(DirectoryInfo info)
{
var dirVm = new DirectoryViewModel(info);
foreach (var directoryInfo in dirVm.Info.EnumerateDirectories())
{
dirVm.Items.Add(ParseDirectory(directoryInfo));
}
foreach (var fileInfo in dirVm.Info.EnumerateFiles())
{
dirVm.Items.Add(new FileViewModel(fileInfo));
}
return(dirVm);
}
