internal void InvokeNodeHasLocalChanged(FSNode sender)
{
if (NodeHasLocalChanged != null)
NodeHasLocalChanged(sender);
}
public FileTreeDirChangedEventArgs(FSNodeDir parent, FSNode child, FileTreeActions action)
{
Parent = parent;
Child = child;
Action = action;
}
public void RemoveChild(FSNode child)
{
child.Parent = null;
}
internal void RemoveChildIntern(FSNode child, bool forceLocal = false)
{
if (child is FSNodeDir)
{
m_subdirs.Remove(child.Name);
LocalCountAdd(-((FSNodeDir) child).LocalCount, true);
}
else
{
m_files.Remove(child.Name);
if ((child).HasLocal || forceLocal)
LocalCountAdd(-1);
}
if (NodeRemoved != null)
NodeRemoved(this, new FileTreeDirChangedEventArgs(this, child, FileTreeActions.FT_NODE_REMOVED));
if (m_tree != null)
m_tree.InvokeNodeRemoved(this,
new FileTreeDirChangedEventArgs(this, child, FileTreeActions.FT_NODE_REMOVED));
}
public void AddChild(FSNode child)
{
child.Parent = this;
}
internal void AddChildIntern(FSNode child)
{
if (child is FSNodeDir)
{
m_subdirs.Add(child.Name, (FSNodeDir) child);
LocalCountAdd(((FSNodeDir) child).LocalCount, true);
}
else
{
m_files.Add(child.Name, (FSNodeFile) child);
if ((child).HasLocal)
LocalCountAdd(1);
}
if (NodeAdded != null)
NodeAdded(this, new FileTreeDirChangedEventArgs(this, child, FileTreeActions.FT_NODE_ADDED));
if (m_tree != null)
m_tree.InvokeNodeAdded(this, new FileTreeDirChangedEventArgs(this, child, FileTreeActions.FT_NODE_ADDED));
}
public IEnumerable <String> EnumerateFiles(string szDriveLetter, string[] targetSuffixs)
{
try
{
var usnRecord = default(USN_RECORD);
var mft = default(MFT_ENUM_DATA);
var dwRetBytes = 0;
var cb = 0;
var dicFRNLookup = new Dictionary <long, FSNode>();
var bIsFile = false;
// This shouldn't be called more than once.
if (m_Buffer.ToInt32() != 0)
{
throw new Exception("invalid buffer");
}
// Assign buffer size
m_BufferSize = 65536;
//64KB
// Allocate a buffer to use for reading records.
m_Buffer = Marshal.AllocHGlobal(m_BufferSize);
// correct path
szDriveLetter = szDriveLetter.TrimEnd('\\');
// Open the volume handle
m_hCJ = OpenVolume(szDriveLetter);
// Check if the volume handle is valid.
if (m_hCJ == INVALID_HANDLE_VALUE)
{
throw new Exception("Couldn't open handle to the volume.");
}
mft.StartFileReferenceNumber = 0;
mft.LowUsn = 0;
mft.HighUsn = long.MaxValue;
do
{
if (DeviceIoControl(m_hCJ, FSCTL_ENUM_USN_DATA, ref mft, Marshal.SizeOf(mft), m_Buffer, m_BufferSize, ref dwRetBytes, IntPtr.Zero))
{
cb = dwRetBytes;
// Pointer to the first record
IntPtr pUsnRecord = new IntPtr(m_Buffer.ToInt32() + 8);
while ((dwRetBytes > 8))
{
// Copy pointer to USN_RECORD structure.
usnRecord = (USN_RECORD)Marshal.PtrToStructure(pUsnRecord, usnRecord.GetType());
// The filename within the USN_RECORD.
string FileName = Marshal.PtrToStringUni(new IntPtr(pUsnRecord.ToInt32() + usnRecord.FileNameOffset), usnRecord.FileNameLength / 2);
bIsFile = !usnRecord.FileAttributes.HasFlag(FileAttributes.Directory);
dicFRNLookup.Add(usnRecord.FileReferenceNumber, new FSNode(usnRecord.FileReferenceNumber, usnRecord.ParentFileReferenceNumber, FileName, bIsFile));
// Pointer to the next record in the buffer.
pUsnRecord = new IntPtr(pUsnRecord.ToInt32() + usnRecord.RecordLength);
dwRetBytes -= usnRecord.RecordLength;
}
// The first 8 bytes is always the start of the next USN.
mft.StartFileReferenceNumber = Marshal.ReadInt64(m_Buffer, 0);
}
else
{
break; // TODO: might not be correct. Was : Exit Do
}
} while (!(cb <= 8));
// Resolve all paths for Files
foreach (FSNode oFSNode in dicFRNLookup.Values.Where(o => o.IsFile && targetSuffixs.Contains(Path.GetExtension(o.FileName))))
{
string sFullPath = oFSNode.FileName;
FSNode oParentFSNode = oFSNode;
while (dicFRNLookup.TryGetValue(oParentFSNode.ParentFRN, out oParentFSNode))
{
sFullPath = string.Concat(oParentFSNode.FileName, "\\", sFullPath);
}
sFullPath = string.Concat(szDriveLetter, "\\", sFullPath);
yield return(sFullPath);
}
}
finally
{
//// cleanup
Cleanup();
}
}
private static void PasteNode(FSNode node, FSNodeDir into, string newName)
{
if (node == null || into == null)
return;
try
{
string dirPath = into.Path + '\\';
if (File.Exists(dirPath + newName))
{
string name = newName.SubstringBeforeLast('.');
string ext = newName.SubstringAfterLast('.', true);
int numOfThatKind = into.Directories.Count(d => d.Name.StartsWith(name + "_copy"));
numOfThatKind += into.Files.Count(d => d.Name.StartsWith(name + "_copy"));
if (numOfThatKind > 0)
PasteNode(node, into, name + "_copy_" + (numOfThatKind + 1) + ext);
else
PasteNode(node, into, name + "_copy" + ext);
return;
}
if (node is FSNodeVirtualFile)
{
var virtualFile = node as FSNodeVirtualFile;
if (virtualFile.HasLocal)
{
if (!Directory.Exists(dirPath))
Directory.CreateDirectory(dirPath);
File.Copy(virtualFile.Path, dirPath + newName);
}
else
virtualFile.Extract(dirPath + newName);
}
else if (node is FSNodeFile)
{
var file = node as FSNodeFile;
if (!Directory.Exists(dirPath))
Directory.CreateDirectory(dirPath);
File.Copy(file.Path, dirPath + newName);
}
else if (node is FSNodeDir)
{
var dir = node as FSNodeDir;
if (!Directory.Exists(dirPath + newName))
Directory.CreateDirectory(dirPath + newName);
into = into.GetDirectory(newName);
foreach (var d in dir.Directories)
PasteNode(d, into, d.Name);
foreach (var f in dir.Files)
PasteNode(f, into, f.Name);
}
}
catch (Exception ex)
{
UIHelper.ShowError("Failed to paste: " + ex.Message);
}
}
private void CopyFileToolStripMenuItemVirtualClick(object sender, EventArgs e)
{
var node = m_fitVirtual.GetSelectedNode();// as FSNodeFile;
if (node == null)
return;
m_fileTreeClipboard = node;
}
private void CopyToolStripMenuItemCombinedClick(object sender, EventArgs e)
{
var node = m_fitCombined.GetSelectedNode() as FSNodeFile;
if (node == null)
return;
m_fileTreeClipboard = node;
}
void NodeHasLocalChanged(FSNode sender)
{
var dir = (FSNodeDir)sender;
TreeNode tn = m_trvFileTreeView.GetFileTreeNodeByPath(m_fileTrees[dir.Tree] + '\\' + dir.GetPathInTree(), false);
if (tn == null)
{
// a tree without virtuals might just not include that node; therefore it must be created
if (m_noVirtual && dir.HasLocal)
{
// the recursive nature of the FileTree class causes the upper-most node to trigger this event first
TreeNode parent = m_trvFileTreeView.GetFileTreeNodeByPath(m_fileTrees[dir.Tree] + '\\' + dir.GetPathInTree().SubstringBeforeLast('\\'), false);
TreeNode tmp = dir.ConvertToTreeNode(m_noVirtual, m_noLocal, true, m_colorLocalFiles, m_colorLocalDirectories);
if (m_trvFileTreeView.InvokeRequired)
m_trvFileTreeView.Invoke(new TreeNodeAddInvoke(parent.Nodes.InsertNodeSorted), tmp);
else
parent.Nodes.InsertNodeSorted(tmp);
}
return;
}
if (dir.HasLocal && m_colorLocalDirectories && !m_noLocal)
tn.ForeColor = Color.Red;
else
{
if (m_noVirtual)
{
tn.Remove();
return;
}
tn.ForeColor = Color.Blue;
}
}
