/// <summary>
/// Internal helper methods to create nodes and assign them as root or child nodes.
/// </summary>
/// <param name="helper"></param>
/// <param name="parentNode"></param>
/// <param name="parentCollection"></param>
private void RequestHelper(TreeViewFolderBrowserNodeFactory helper, TreeNodePath parentNode, System.Windows.Forms.TreeNodeCollection parentCollection)
{
FTPLib.FtpClient ftp = FTP;
if (parentNode != null)
{
ftp.ChangeDir(parentNode.Path);
}
else
{
ftp.ChangeDir(_directorySeparatorChar);
}
//
foreach (FTPLib.ServerFileData serverData in ftp.List())
{
// skip files if there should not be filled in
if (!serverData.isDirectory && !ShowFiles)
{
continue;
}
//
CreateTreeNode(parentNode,
serverData.fileName, parentNode != null ? parentNode.Path + "/" + serverData.fileName : _directorySeparatorChar + serverData.fileName,
!serverData.isDirectory,
serverData.isDirectory,
false);
}
//
return;
}
/// <summary>
/// Releases a existing ftp component (disconnect) instance
/// </summary>
private void ResetFtp()
{
if (_ftp != null)
{
_ftp.Disconnect();
}
_ftp = null;
}
private void DownloadFilesAsync(object sender, System.ComponentModel.DoWorkEventArgs e)
{
AsyncDataStruct ads = (AsyncDataStruct)e.Argument;
System.ComponentModel.BackgroundWorker worker = sender as System.ComponentModel.BackgroundWorker;
//
FTPLib.FtpClient ftp = FTP;
int perc, old_perc = 0;
//
foreach (string remotePath in ads.FileList)
{
if (worker.CancellationPending)
{
break;
}
// open the file on the server and localy
string remoteFilePath = System.IO.Path.GetDirectoryName(remotePath);
string remoteFileName = System.IO.Path.GetFileName(remotePath);
//
ftp.ChangeDir(remoteFilePath);
ftp.OpenDownload(remotePath, System.IO.Path.Combine(ads.Directory.FullName, remoteFileName), false);
// download the file (read it from server, write it to disk)
while (true)
{
perc = ftp.DoDownload();
// No need to report progress everytime we get some bytes
// because it causes a flickery effect on the screen in most cases.
if (perc > old_perc)
{
worker.ReportProgress(perc, remoteFileName);
}
// is the download done?
if (perc == 100)
{
break;
}
old_perc = perc;
}
}
}
/// <summary>
/// Releases a existing ftp component (disconnect) instance
/// </summary>
private void ResetFtp()
{
if(_ftp!=null)
{
_ftp.Disconnect();
}
_ftp = null;
}
