//-----------------------------------------------------------------------------//
/// <summary>
/// Constructor with a node that is a folder.
/// </summary>
/// <param name="newFolderNode"></param>
/// <param name="newForm"></param>
public FtpFolderWorkUnit(KexplorerFtpNode newFolderNode, ISimpleKexplorerGUI newForm, IWorkGUIFlagger flagger)
{
this.folderNode = newFolderNode;
this.site = newFolderNode.Site;
this.form = newForm;
this.guiFlagger = flagger;
}
public void Initialize(ISimpleKexplorerGUI newForm, FtpSite ftpSite)
{
this.isFtpSite = true;
this.form = newForm;
this.pipeline = new Pipeline(this.form);
this.pipeline.StartWork();
this.drivePipelines = new Hashtable();
Pipeline drivePipeline = new Pipeline(this.form);
this.drivePipelines[ftpSite.host] = drivePipeline;
drivePipeline.StartWork();
KexplorerFtpNode createdNode = new KexplorerFtpNode(ftpSite);
this.form.TreeView1.Nodes.Add(createdNode);
drivePipeline.AddJob(new FtpLoaderWorkUnit(createdNode, ftpSite, this.form, this));
this.form.TreeView1.ContextMenu.Popup += new EventHandler(this.ContextMenu_Popup);
this.form.TreeView1.AfterExpand += new TreeViewEventHandler(TreeView1_AfterExpand);
this.form.TreeView1.KeyDown += new KeyEventHandler(TreeView1_KeyDown);
this.form.TreeView1.AfterSelect += new TreeViewEventHandler(TreeView1_AfterFtpSelect);
this.InitializeScriptManager();
}
/// <summary>
/// Construct with the drive letter and a pointer to the main form
/// </summary>
/// <param name="newDriveLetter"></param>
/// <param name="form1"></param>
public FtpLoaderWorkUnit( KexplorerFtpNode newCreatedDriveNode, FtpSite site, ISimpleKexplorerGUI form1, IWorkGUIFlagger flagger )
{
this.createdNode = newCreatedDriveNode;
this.site = site;
this.form = form1;
this.guiFlagger = flagger;
}
/// <summary>
/// Construct with the drive letter and a pointer to the main form
/// </summary>
/// <param name="newDriveLetter"></param>
/// <param name="form1"></param>
public FtpLoaderWorkUnit(KexplorerFtpNode newCreatedDriveNode, FtpSite site, ISimpleKexplorerGUI form1, IWorkGUIFlagger flagger)
{
this.createdNode = newCreatedDriveNode;
this.site = site;
this.form = form1;
this.guiFlagger = flagger;
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Constructor with a node that is a folder.
/// </summary>
/// <param name="newFolderNode"></param>
/// <param name="newForm"></param>
public FtpFolderWorkUnit( KexplorerFtpNode newFolderNode, ISimpleKexplorerGUI newForm, IWorkGUIFlagger flagger )
{
this.folderNode = newFolderNode;
this.site = newFolderNode.Site;
this.form = newForm;
this.guiFlagger = flagger;
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Called from form's invoke, actual treeview operations.
/// </summary>
private void AddSubSubNodes()
{
lock (this.form.TreeView1)
{
KexplorerFtpNode[] nodes = new KexplorerFtpNode[this.subDirs.Length];
for (int i = 0; i < nodes.Length; i++)
{
nodes[i] = new KexplorerFtpNode(this.site, this.currentSubFolderNode.Path + "/" + this.subDirs[i], this.subDirs[i]);
}
this.currentSubFolderNode.Nodes.AddRange(nodes);
}
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Add the found sub-directories to the current sub dir.
/// </summary>
private void AddSubDirsToSubDir()
{
lock (this.form.TreeView1)
{
KexplorerFtpNode[] nodes = new KexplorerFtpNode[this.subDirs.Length];
for (int i = 0; i < nodes.Length; i++)
{
nodes[i] = new KexplorerFtpNode(site, this.currentWorkingSubDir.Path + "/" + this.subDirs[i], this.subDirs[i]);
nodes[i].Collapse();
}
this.currentWorkingSubDir.Nodes.AddRange(nodes);
}
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Job three is to load all directories beneath the first level of directories.
/// After this, there is no more work created from this.
/// </summary>
/// <returns></returns>
private IWorkUnit DoJobThree()
{
try
{
foreach (KexplorerFtpNode dirNode in this.createdNode.Nodes)
{
if (this.stop)
{
break;
}
this.currentWorkingSubDir = dirNode;
this.subDirs = null;
try
{
this.subDirs = GetSubDirs(dirNode.Path);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
if (this.subDirs != null && this.subDirs.Length > 0 && !this.stop)
{
try
{
this.guiFlagger.SignalBeginGUI();
this.form.MainForm.Invoke(new InvokeDelegate(this.AddSubDirsToSubDir));
}
finally
{
this.guiFlagger.SignalEndGUI();
}
}
}
}
finally
{
this.currentWorkingSubDir = null;
this.subDirs = null;
}
return(null);
}
//-----------------------------------------------------------------------------//
/// <summary>
/// After Expanding a node, make sure two levels deeper are expanded.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TreeView1_AfterExpand(object sender, TreeViewEventArgs e)
{
if (!this.isGuiBeingChanged)
{
if (e.Node is KExplorerNode)
{
KExplorerNode kNode = (KExplorerNode)e.Node;
string drive = kNode.DirInfo.FullName.Substring(0, 1);
Pipeline drivePipeline = (Pipeline)this.drivePipelines[drive];
drivePipeline.AddJob(new FolderWorkUnit(kNode, this.form, this));
}
else
{
KexplorerFtpNode ftpNode = (KexplorerFtpNode)e.Node;
Pipeline ftppipeline = (Pipeline)this.drivePipelines[ftpNode.Site.host];
ftppipeline.AddJob(new FtpFolderWorkUnit(ftpNode, this.form, this));
}
}
}
//-----------------------------------------------------------------------------//
/// <summary>
/// When a node is selected. Start the job to load the datagrid.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TreeView1_AfterFtpSelect(object sender, TreeViewEventArgs e)
{
KexplorerFtpNode kNode = (KexplorerFtpNode)e.Node;
if (kNode.Stale)
{
if (kNode.Path == null)
{
Pipeline drivePipeline = (Pipeline)this.drivePipelines[kNode.Site.host];
if (drivePipeline == null)
{
drivePipeline = new Pipeline(this.form);
this.drivePipelines[kNode.Site.host] = drivePipeline;
drivePipeline.StartWork();
}
drivePipeline.AddJob(new FtpLoaderWorkUnit(kNode, kNode.Site, this.form, this));
}
else
{
Pipeline drivePipeline = (Pipeline)this.drivePipelines[kNode.Site.host];
if (drivePipeline == null)
{
drivePipeline = new Pipeline(this.form);
this.drivePipelines[kNode.Site.host] = drivePipeline;
drivePipeline.StartWork();
}
drivePipeline.AddJob(new FtpFolderWorkUnit(kNode, this.form, this));
}
//this.pipeline.AddJob( new FolderWorkUnit( kNode, this.form, this ) );
}
// File List always gets done in the main pipeline.
this.pipeline.AddPriorityJob(new FtpFileListWorkUnit(kNode, this.form, this));
}
//-------------------------------------------------------------------
/// <summary>
/// Constructor.
/// </summary>
/// <param name="node"></param>
/// <param name="newForm"></param>
/// <param name="flagger"></param>
public FtpFileListWorkUnit(KexplorerFtpNode node, ISimpleKexplorerGUI newForm, IWorkGUIFlagger flagger)
{
this.kForm = newForm;
this.kNode = node;
this.guiFlagger = flagger;
}
/**
* Get the files.
*/
private FtpFileInfo[] GetFiles(KexplorerFtpNode knode)
{
ArrayList files = new ArrayList();
string ftpfullpath = "ftp://" + kNode.Site.host + knode.Path;
FtpWebResponse ftpResponse = null;
FtpWebRequest ftp = null;
try
{
ftp = (FtpWebRequest)FtpWebRequest.Create(ftpfullpath);
ftp.Credentials = new NetworkCredential(kNode.Site.username, kNode.Site.pwd);
//userid and password for the ftp server to given
ftp.KeepAlive = true;
ftp.UseBinary = true;
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
ftpResponse = (FtpWebResponse)ftp.GetResponse();
Stream responseStream = null;
responseStream = ftpResponse.GetResponseStream();
string strFile = null;
try
{
StreamReader reader = new StreamReader(responseStream);
while (true)
{
strFile = null;
try
{
strFile = reader.ReadLine();
}
catch (IOException e)
{
break;
}
if (strFile != null)
{
FtpFileInfo newFileInfo = new FtpFileInfo(strFile, kNode.Site.type);
if (!newFileInfo.isDir)
{
files.Add(newFileInfo);
}
}
else
{
break;
}
}
}
catch (Exception e)
{
String x = e.Message;
}
try
{
ftpResponse.Close();
}
catch (Exception e)
{
}
}
catch (WebException e)
{
return(null);
}
finally
{
if (ftpResponse != null)
{
ftpResponse.Close();
}
}
return((FtpFileInfo[])files.ToArray(typeof(FtpFileInfo)));
}
public void Initialize(ISimpleKexplorerGUI newForm, FtpSite ftpSite)
{
this.isFtpSite = true;
this.form = newForm;
this.pipeline = new Pipeline(this.form);
this.pipeline.StartWork();
this.drivePipelines = new Hashtable();
Pipeline drivePipeline = new Pipeline(this.form);
this.drivePipelines[ftpSite.host] = drivePipeline;
drivePipeline.StartWork();
KexplorerFtpNode createdNode = new KexplorerFtpNode(ftpSite);
this.form.TreeView1.Nodes.Add(createdNode);
drivePipeline.AddJob(new FtpLoaderWorkUnit(createdNode, ftpSite, this.form, this));
this.form.TreeView1.ContextMenu.Popup += new EventHandler(this.ContextMenu_Popup);
this.form.TreeView1.AfterExpand += new TreeViewEventHandler(TreeView1_AfterExpand);
this.form.TreeView1.KeyDown += new KeyEventHandler(TreeView1_KeyDown);
this.form.TreeView1.AfterSelect += new TreeViewEventHandler(TreeView1_AfterFtpSelect);
this.InitializeScriptManager();
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Job three is to load all directories beneath the first level of directories.
/// After this, there is no more work created from this.
/// </summary>
/// <returns></returns>
private IWorkUnit DoJobThree()
{
try
{
foreach ( KexplorerFtpNode dirNode in this.createdNode.Nodes )
{
if ( this.stop )
{
break;
}
this.currentWorkingSubDir = dirNode;
this.subDirs = null;
try
{
this.subDirs = GetSubDirs( dirNode.Path );
}
catch (Exception e )
{
MessageBox.Show(e.Message);
}
if ( this.subDirs != null && this.subDirs.Length > 0 && !this.stop )
{
try
{
this.guiFlagger.SignalBeginGUI();
this.form.MainForm.Invoke( new InvokeDelegate( this.AddSubDirsToSubDir ));
}
finally
{
this.guiFlagger.SignalEndGUI();
}
}
}
}
finally
{
this.currentWorkingSubDir = null;
this.subDirs = null;
}
return null;
}
//-----------------------------------------------------------------------------//
/// 6<summary>
/// Go through each sub-folder and load it's sub-folders.
/// </summary>
/// <returns></returns>
private IWorkUnit DoJobTwo()
{
try
{
foreach (KexplorerFtpNode sNode in this.folderNode.Nodes)
{
if (this.stop)
{
break;
}
this.currentSubFolderNode = sNode;
if (sNode.Nodes.Count > 0 && sNode.Stale)
{
try
{
this.guiFlagger.SignalBeginGUI();
this.form.MainForm.Invoke(new InvokeDelegate(this.ClearSubNode));
}
finally
{
this.guiFlagger.SignalEndGUI();
}
sNode.Stale = false;
}
if (sNode.Nodes.Count == 0)
{
try
{
this.subDirs = null;
String nextPath = sNode.Path;
this.subDirs = GetSubDirs(nextPath, 4);
if (this.subDirs == null)
{
this.YouWereAborted();
}
if (this.subDirs != null && this.subDirs.Length > 0 && !this.stop)
{
try
{
this.guiFlagger.SignalBeginGUI();
this.form.MainForm.Invoke(new InvokeDelegate(this.AddSubSubNodes));
}
finally
{
this.guiFlagger.SignalEndGUI();
}
}
}
catch (Exception)
{
continue;
}
}
}
}
finally
{
this.subDirs = null;
this.currentSubFolderNode = null;
}
return(null);
}
//-------------------------------------------------------------------
/// <summary>
/// Constructor.
/// </summary>
/// <param name="node"></param>
/// <param name="newForm"></param>
/// <param name="flagger"></param>
public FtpFileListWorkUnit(KexplorerFtpNode node, ISimpleKexplorerGUI newForm, IWorkGUIFlagger flagger )
{
this.kForm = newForm;
this.kNode = node;
this.guiFlagger = flagger;
}
/**
* Get the files.
*/
private FtpFileInfo[] GetFiles(KexplorerFtpNode knode)
{
ArrayList files = new ArrayList();
string ftpfullpath = "ftp://" + kNode.Site.host +knode.Path;
FtpWebResponse ftpResponse = null;
FtpWebRequest ftp = null;
try
{
ftp = (FtpWebRequest)FtpWebRequest.Create(ftpfullpath);
ftp.Credentials = new NetworkCredential(kNode.Site.username, kNode.Site.pwd);
//userid and password for the ftp server to given
ftp.KeepAlive = true;
ftp.UseBinary = true;
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
ftpResponse = (FtpWebResponse)ftp.GetResponse();
Stream responseStream = null;
responseStream = ftpResponse.GetResponseStream();
string strFile = null;
try
{
StreamReader reader = new StreamReader(responseStream);
while (true)
{
strFile = null;
try
{
strFile = reader.ReadLine();
}
catch (IOException e)
{
break;
}
if (strFile != null)
{
FtpFileInfo newFileInfo = new FtpFileInfo(strFile, kNode.Site.type);
if ( !newFileInfo.isDir )
{
files.Add( newFileInfo );
}
}
else
{
break;
}
}
}
catch (Exception e)
{
String x = e.Message;
}
try
{
ftpResponse.Close();
}
catch (Exception e)
{
}
}
catch (WebException e)
{
return null;
}
finally
{
if (ftpResponse != null)
{
ftpResponse.Close();
}
}
return (FtpFileInfo[])files.ToArray(typeof(FtpFileInfo));
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Add the found sub-directories to the current sub dir.
/// </summary>
private void AddSubDirsToSubDir()
{
lock( this.form.TreeView1 )
{
KexplorerFtpNode[] nodes = new KexplorerFtpNode[ this.subDirs.Length ];
for ( int i = 0; i < nodes.Length; i++ )
{
nodes[i] = new KexplorerFtpNode(site, this.currentWorkingSubDir.Path + "/" + this.subDirs[i], this.subDirs[i]);
nodes[i].Collapse();
}
this.currentWorkingSubDir.Nodes.AddRange( nodes );
}
}
//-----------------------------------------------------------------------------//
/// 6<summary>
/// Go through each sub-folder and load it's sub-folders.
/// </summary>
/// <returns></returns>
private IWorkUnit DoJobTwo()
{
try
{
foreach ( KexplorerFtpNode sNode in this.folderNode.Nodes )
{
if ( this.stop )
{
break;
}
this.currentSubFolderNode = sNode;
if ( sNode.Nodes.Count > 0 && sNode.Stale )
{
try
{
this.guiFlagger.SignalBeginGUI();
this.form.MainForm.Invoke( new InvokeDelegate( this.ClearSubNode ));
}
finally
{
this.guiFlagger.SignalEndGUI();
}
sNode.Stale = false;
}
if ( sNode.Nodes.Count == 0 )
{
try
{
this.subDirs = null;
String nextPath = sNode.Path;
this.subDirs = GetSubDirs( nextPath, 4 );
if ( this.subDirs == null )
{
this.YouWereAborted();
}
if ( this.subDirs != null && this.subDirs.Length > 0 && !this.stop )
{
try
{
this.guiFlagger.SignalBeginGUI();
this.form.MainForm.Invoke( new InvokeDelegate( this.AddSubSubNodes ));
}
finally
{
this.guiFlagger.SignalEndGUI();
}
}
}
catch (Exception )
{
continue;
}
}
}
}
finally
{
this.subDirs = null;
this.currentSubFolderNode = null;
}
return null;
}
//-----------------------------------------------------------------------------//
/// <summary>
/// Add sub directories.
/// </summary>
private void AddSubNodes()
{
lock( this.form.TreeView1 )
{
KexplorerFtpNode[] nodes = new KexplorerFtpNode[ this.subDirs.Length ];
for ( int i = 0; i < nodes.Length; i++ )
{
nodes[i] = new KexplorerFtpNode( site, this.folderNode.Path + "/" + this.subDirs[i], this.subDirs[i] );
}
this.folderNode.Nodes.AddRange( nodes );
}
}
