private void btnCreate_Click(object sender, EventArgs e)
{
FolderMoveAction action = new FolderMoveAction(txbSource.Text, txbDestination.Text);
if (!Directory.Exists(action.SourcePath))
{
MessageBox.Show($"Source folder {action.SourcePath} does not exist.\n\nPlease choose an existing folder.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (Directory.Exists(action.DestinationPath) &&
(Directory.GetFiles(action.DestinationPath).Count() > 0 || Directory.GetDirectories(action.DestinationPath).Count() > 0))
{
MessageBox.Show($"Destination folder {action.DestinationPath} is not empty!\n\nPlease choose an empty folder.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
var worker = new BackgroundWorker
{
WorkerReportsProgress = true,
WorkerSupportsCancellation = true,
};
worker.DoWork += Worker_DoWork;
worker.RunWorkerCompleted += Worker_RunWorkerCompleted;
progressWindow = new frmProgress(worker);
progressWindow.Left = Left;
progressWindow.Top = Top;
progressWindow.Show();
Visible = false;
worker.RunWorkerAsync(action);
}
}
private void Worker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = ((BackgroundWorker)sender);
FolderMoveAction action = ((FolderMoveAction)e.Argument);
FolderMoveResult result = new FolderMoveResult();
e.Result = result;
worker.ReportProgress(0, "calculation folder size");
var folderCount = GetDirectoryCount(action.SourcePath);
var fileSizes = GetDirectorySize(action.SourcePath);
long progressMax = folderCount + fileSizes;
long progress = 0;
if (!Directory.Exists(action.DestinationPath))
{
worker.ReportProgress(0, $"creating folder {action.DestinationPath}");
Directory.CreateDirectory(action.DestinationPath);
result.SetFlag(enumFolderMoveResult.DeleteDestination);
}
// createing directory tree and copy files
var directories = new Stack <string>();
directories.Push(action.SourcePath);
result.SetFlag(enumFolderMoveResult.CleanDestination);
while (directories.Count > 0 && !worker.CancellationPending)
{
var basePath = directories.Pop();
foreach (var d in Directory.EnumerateDirectories(basePath))
{
var newDirectory = Path.Combine(action.DestinationPath, d.Substring(action.SourcePath.Length + 1));
worker.ReportProgress(CalcProgress(progress, progressMax), $"creating folder {newDirectory}");
Directory.CreateDirectory(newDirectory);
directories.Push(d);
progress++;
if (worker.CancellationPending)
{
return;
}
}
foreach (var f in Directory.EnumerateFiles(basePath))
{
var destPath = Path.Combine(action.DestinationPath, f.Substring(action.SourcePath.Length + 1));
FileInfo info = new FileInfo(f);
worker.ReportProgress(CalcProgress(progress, progressMax), $"copying to {destPath}");
File.Copy(f, destPath);
progress += info.Length;
if (worker.CancellationPending)
{
return;
}
}
}
// moveing old folder
if (worker.CancellationPending)
{
return;
}
worker.ReportProgress(CalcProgress(progress, progressMax), $"renaming {Path.GetFileName(action.SourcePath)} to {Path.GetFileName(action.SourcePath)}.old ..");
string sourceCopy = Path.Combine(Path.GetTempPath(), Path.GetFileName(action.SourcePath) + ".old");
try
{
Directory.Move(action.SourcePath, sourceCopy);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
result.SetFlag(enumFolderMoveResult.RevertMoveSource);
}
// create link
if (worker.CancellationPending)
{
return;
}
worker.ReportProgress(CalcProgress(progress, progressMax), $"creating symbolic link ..");
using (Process process = new Process())
{
process.StartInfo = new ProcessStartInfo
{
FileName = "cmd",
Arguments = $"/c mklink /J \"{action.SourcePath}\" \"{action.DestinationPath}\"",
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardError = true,
RedirectStandardOutput = true,
};
process.ErrorDataReceived += Process_ErrorDataReceived;
process.OutputDataReceived += Process_OutputDataReceived;
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
process.WaitForExit();
if (process.ExitCode != 0)
{
result.SetFlag(enumFolderMoveResult.DeleteLink);
}
process.Close();
}
// removeing old folder
if (worker.CancellationPending)
{
return;
}
Directory.Delete(sourceCopy, true);
// finishing
if (worker.CancellationPending)
{
return;
}
result.Reset();
}
