//public static void Delete(string path)
//{
// DirectoryInfoEx dir;
// IStorage tempParentStorage = null;
// IntPtr tempParentStoragePtr = IntPtr.Zero;
// try
// {
// dir = new DirectoryInfoEx(Path.GetDirectoryName(path));
// string name = Path.GetFileName(path);
// IOTools.getIStorage(dir, out tempParentStoragePtr, out tempParentStorage);
// tempParentStorage.DestroyElement(name);
// }
// finally
// {
// if (tempParentStorage != null)
// {
// Marshal.ReleaseComObject(tempParentStorage);
// Marshal.Release(tempParentStoragePtr);
// }
// }
//}
/// <summary>
/// Move directory or file, take full path of source and dest as parameter.
/// </summary>
public static void Move(string source, string dest)
{
DirectoryInfoEx fromDir, toDir;
fromDir = new DirectoryInfoEx(Path.GetDirectoryName(source));
toDir = new DirectoryInfoEx(Path.GetDirectoryName(dest));
if (fromDir.Equals(toDir))
{
Rename(source, Path.GetFileName(dest));
return;
}
if (fromDir.Storage == null)
{
throw new IOException("Source directory does not support IStorage");
}
if (toDir.Storage == null)
{
throw new IOException("Destination directory does not support IStorage");
}
int hr = fromDir.Storage.MoveElementTo(Path.GetFileName(source), toDir.Storage,
Path.GetFileName(dest), ShellAPI.STGMOVE.MOVE);
if (hr != ShellAPI.S_OK)
{
Marshal.ThrowExceptionForHR(hr);
}
}
//0.13: Added HasParent
/// <summary>
/// Return whether parent directory contain child directory.
/// Aware Library, UserFiles and Public directory too.
/// </summary>
/// <param name="child"></param>
/// <param name="parent"></param>
/// <returns></returns>
public static bool HasParent(FileSystemInfoEx child, DirectoryInfoEx parent)
{
if (parent == null)
{
//if (Debugger.IsAttached)
// Debugger.Break();
return(false);
}
//::{031E4825-7B94-4DC3-B131-E946B44C8DD5}\Music.library-ms
if (parent.FullName.StartsWith(IOTools.IID_Library) && parent.FullName.EndsWith(".library-ms"))
{
//Reverse
foreach (DirectoryInfoEx subDir in parent.GetDirectories())
{
if (subDir.Equals(child) || HasParent(child, subDir))
{
return(true);
}
}
return(false);
}
else
{
if (child.FullName.StartsWith(parent.FullName, StringComparison.InvariantCultureIgnoreCase))
{
return(true);
}
if (child.FullName.StartsWith(IID_UserFiles) || child.FullName.StartsWith(IID_Public))
{
return(false);
}
FileSystemInfoEx current = child.Parent;
while (current != null && !parent.Equals(current))
{
current = current.Parent;
}
return(current != null);
}
}
//public static void Delete(string path)
//{
// DirectoryInfoEx dir;
// IStorage tempParentStorage = null;
// IntPtr tempParentStoragePtr = IntPtr.Zero;
// try
// {
// dir = new DirectoryInfoEx(Path.GetDirectoryName(path));
// string name = Path.GetFileName(path);
// IOTools.getIStorage(dir, out tempParentStoragePtr, out tempParentStorage);
// tempParentStorage.DestroyElement(name);
// }
// finally
// {
// if (tempParentStorage != null)
// {
// Marshal.ReleaseComObject(tempParentStorage);
// Marshal.Release(tempParentStoragePtr);
// }
// }
//}
/// <summary>
/// Move directory or file, take full path of source and dest as parameter.
/// </summary>
public static void Move(string source, string dest)
{
DirectoryInfoEx fromDir, toDir;
fromDir = new DirectoryInfoEx(Path.GetDirectoryName(source));
toDir = new DirectoryInfoEx(Path.GetDirectoryName(dest));
if (fromDir.Equals(toDir))
{
Rename(source, Path.GetFileName(dest));
return;
}
if (fromDir.Storage == null)
throw new IOException("Source directory does not support IStorage");
if (toDir.Storage == null)
throw new IOException("Destination directory does not support IStorage");
int hr = fromDir.Storage.MoveElementTo(Path.GetFileName(source), toDir.Storage,
Path.GetFileName(dest), ShellAPI.STGMOVE.MOVE);
if (hr != ShellAPI.S_OK)
Marshal.ThrowExceptionForHR(hr);
}
public DirectoryTreeItemViewModel LookupChild(DirectoryInfoEx directory, Func<bool> cancelCheck)
{
if (cancelCheck != null && cancelCheck())
return null;
if (Parent != null)
Parent.IsExpanded = true;
if (directory == null)
return null;
if (!IsLoaded)
{
IsLoading = true;
SubDirectories = getDirectories();
HasSubDirectories = SubDirectories.Count > 0;
IsLoading = false;
}
foreach (DirectoryTreeItemViewModel subDirModel in SubDirectories)
{
if (!subDirModel.Equals(dummyNode))
{
DirectoryInfoEx subDir = subDirModel.EmbeddedDirectoryModel.EmbeddedDirectoryEntry;
if (directory.Equals(subDir))
return subDirModel;
else if (IOTools.HasParent(directory, subDir))
return subDirModel.LookupChild(directory, cancelCheck);
}
}
return null;
}
//0.13: Added HasParent
/// <summary>
/// Return whether parent directory contain child directory.
/// Aware Library, UserFiles and Public directory too.
/// </summary>
/// <param name="child"></param>
/// <param name="parent"></param>
/// <returns></returns>
public static bool HasParent(FileSystemInfoEx child, DirectoryInfoEx parent)
{
if (parent == null)
{
//if (Debugger.IsAttached)
// Debugger.Break();
return false;
}
//::{031E4825-7B94-4DC3-B131-E946B44C8DD5}\Music.library-ms
if (parent.FullName.StartsWith(IOTools.IID_Library) && parent.FullName.EndsWith(".library-ms"))
{
//Reverse
foreach (DirectoryInfoEx subDir in parent.GetDirectories())
if (subDir.Equals(child) || HasParent(child, subDir))
return true;
return false;
}
else
{
if (child.FullName.StartsWith(parent.FullName.TrimEnd('\\') + "\\", StringComparison.InvariantCultureIgnoreCase))
return true;
if (child.FullName.StartsWith(IID_UserFiles) || child.FullName.StartsWith(IID_Public))
return false;
FileSystemInfoEx current = child.Parent;
while (current != null && !parent.Equals(current))
current = current.Parent;
return (current != null);
}
}
