/// <summary>
/// Initializes a new instance of the <see cref="ShellFolderImpl"/> class.
/// This class must be initialised with a reference to the Shell Namespace Extension
/// that is being used and the target object (which will be an <see cref="IShellNamespaceFolder" />.
/// </summary>
/// <param name="namespaceExtension">The namespace extension.</param>
/// <param name="proxyFolder">The folder that we are acting as an implementation for.</param>
public ShellFolderImpl(SharpNamespaceExtension namespaceExtension, IShellNamespaceFolder proxyFolder)
{
// Store the namespace extension and folder.
this.namespaceExtension = namespaceExtension;
this.proxyFolder = proxyFolder;
// Create the lazy folder view.
lazyFolderView = new Lazy <ShellNamespaceFolderView>(proxyFolder.GetView);
}
/// <summary>
/// Initializes a new instance of the <see cref="ShellFolderImpl"/> class.
/// This class must be initialised with a reference to the Shell Namespace Extension
/// that is being used and the target object (which will be an <see cref="IShellNamespaceFolder" />.
/// </summary>
/// <param name="namespaceExtension">The namespace extension.</param>
/// <param name="proxyFolder">The folder that we are acting as an implementation for.</param>
public ShellFolderImpl(SharpNamespaceExtension namespaceExtension, IShellNamespaceFolder proxyFolder)
{
// Store the namespace extension and folder.
this.namespaceExtension = namespaceExtension;
this.proxyFolder = proxyFolder;
// Create the lazy folder view.
lazyFolderView = new Lazy<ShellNamespaceFolderView>(proxyFolder.GetView);
}
public ShellNamespaceFolderIdListEnumerator(IShellNamespaceFolder shellNamespaceFolder, SHCONTF grfFlags, uint index)
{
// todo: The flags should be a type in the sharpshell domain, not the shell.
// todo the flags might change how we have to do this.
// Store the extension for the folder we're enuerating.
this.shellNamespaceFolder = shellNamespaceFolder;
this.currentIndex = index;
this.flags = grfFlags;
// Map the flags.
// TODO: more to be done here.
_shellNamespaceEnumerationFlags = 0;
if (grfFlags.HasFlag(SHCONTF.SHCONTF_FOLDERS))
_shellNamespaceEnumerationFlags |= ShellNamespaceEnumerationFlags.Folders;
if (grfFlags.HasFlag(SHCONTF.SHCONTF_NONFOLDERS))
_shellNamespaceEnumerationFlags |= ShellNamespaceEnumerationFlags.Items;
}
private static IShellNamespaceFolder GetChildFolder(IShellNamespaceFolder folder, ShellId itemId)
{
// Get the item that is represented by the shell id.
var childFolder = folder
.GetChildren(ShellNamespaceEnumerationFlags.Folders)
.OfType <IShellNamespaceFolder>()
.SingleOrDefault(i => i.GetShellId().Equals(itemId));
// If we don't find the item, we've got a problem.
if (childFolder == null)
{
// TODO how will we handle this error?
var me = folder.GetDisplayName(DisplayNameContext.Normal);
var you = itemId.ToString();
return(null);
}
return(childFolder);
}
public ShellNamespaceFolderIdListEnumerator(IShellNamespaceFolder shellNamespaceFolder, SHCONTF grfFlags, uint index)
{
// todo: The flags should be a type in the sharpshell domain, not the shell.
// todo the flags might change how we have to do this.
// Store the extension for the folder we're enuerating.
this.shellNamespaceFolder = shellNamespaceFolder;
this.currentIndex = index;
this.flags = grfFlags;
// Map the flags.
// TODO: more to be done here.
_shellNamespaceEnumerationFlags = 0;
if (grfFlags.HasFlag(SHCONTF.SHCONTF_FOLDERS))
{
_shellNamespaceEnumerationFlags |= ShellNamespaceEnumerationFlags.Folders;
}
if (grfFlags.HasFlag(SHCONTF.SHCONTF_NONFOLDERS))
{
_shellNamespaceEnumerationFlags |= ShellNamespaceEnumerationFlags.Items;
}
}
private static IShellNamespaceFolder GetChildFolder(IShellNamespaceFolder folder, ShellId itemId)
{
// Get the item that is represented by the shell id.
var childFolder = folder
.GetChildren(ShellNamespaceEnumerationFlags.Folders)
.OfType<IShellNamespaceFolder>()
.SingleOrDefault(i => i.GetShellId().Equals(itemId));
// If we don't find the item, we've got a problem.
if (childFolder == null)
{
// TODO how will we handle this error?
var me = folder.GetDisplayName(DisplayNameContext.Normal);
var you = itemId.ToString();
return null;
}
return childFolder;
}
