public DragDropEffects DragOver(IResource targetResource, IDataObject data, DragDropEffects allowedEffect, int keyState)
{
if (data.GetDataPresent(typeof(IResourceList))) // Dragging resources over
{
// The resources we're dragging
IResourceList dragResources = (IResourceList)data.GetData(typeof(IResourceList));
if (ListOfMailsOrLinkedAttachments(dragResources))
{
return(DragDropEffects.Move);
}
if (!dragResources.AllResourcesOfType(STR.MAPIFolder))
{
return(DragDropEffects.None);
}
foreach (IResource folder in dragResources.ValidResources)
{
// A default folder cannot be moved, so it can be dropped
// only to its own parent for the sake of reordering
if ((Folder.IsDefault(folder)) && (Folder.GetParent(folder) != targetResource))
{
return(DragDropEffects.None);
}
// Don't allow dropping to self and own children
if ((folder == targetResource) || (Folder.IsAncestor(targetResource, folder)))
{
return(DragDropEffects.None);
}
}
return(DragDropEffects.Move);
}
return(DragDropEffects.None);
}
private HashNode AddLocalAddressBook(IResource mapiFolder)
{
if (Folder.IsDeletedItems(mapiFolder))
{
Folder.SetIgnoreImportAsync(mapiFolder, _folderType, true);
return(null);
}
IResource parentFolder = Folder.GetParent(mapiFolder);
if (parentFolder == null)
{
ResourceProxy proxy = new ResourceProxy(mapiFolder);
proxy.DeleteAsync();
return(null);
}
if (Folder.IsRoot(parentFolder))
{
return(_rootNode.InsertResource(mapiFolder));
}
else
{
HashNode hasNode =
AddLocalAddressBook(parentFolder);
if (hasNode == null)
{
Folder.SetIgnoreImportAsync(mapiFolder, _folderType, true);
return(null);
}
return(hasNode.InsertResource(mapiFolder));
}
}
public static bool IsAncestor(IResource folder, IResource possibleAncestor)
{
IResource current = Folder.GetParent(folder);
while (!Folder.IsRoot(current))
{
if (current == possibleAncestor)
{
return(true);
}
current = Folder.GetParent(current);
}
return(false);
}
public static bool HasDeletedItemsAsAncestor(IResource folder)
{
IResource current = Folder.GetParent(folder);
while (!Folder.IsRoot(current))
{
if (Folder.IsDeletedItems(current))
{
return(true);
}
current = Folder.GetParent(current);
}
return(false);
}
protected void ExecuteActionImpl(IResourceList selectedResources)
{
Tracer._Trace("Execute action: MoveFolderToFolderAction");
if (_selectedFolder == null || _targetFolder == null)
{
return;
}
IEFolder destFolder =
OutlookSession.OpenFolder(_selectedFolder.EntryId, _selectedFolder.StoreId);
if (destFolder == null)
{
return;
}
using ( destFolder )
{
for (int i = 0; i < selectedResources.Count; i++)
{
PairIDs folderIDs = PairIDs.Get(selectedResources[i]);
if (folderIDs == null)
{
continue;
}
IResource parentFolder = Folder.GetParent(selectedResources[i]);
PairIDs parentFolderIDs = PairIDs.Get(parentFolder);
if (parentFolderIDs == null)
{
continue;
}
IEFolder ieFolder =
OutlookSession.OpenFolder(parentFolderIDs.EntryId, parentFolderIDs.StoreId);
if (ieFolder == null)
{
continue;
}
using ( ieFolder )
{
Tracer._Trace("Move folder: " + folderIDs.EntryId.GetHashCode() + "/" + folderIDs.EntryId);
try
{
ieFolder.MoveFolder(folderIDs.EntryId, destFolder);
}
catch (COMException exception)
{
Tracer._TraceException(exception);
if (exception.ErrorCode == (unchecked ((int)0x8004010F)))
{
StandartJobs.MessageBox("Folder is not found", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (exception.ErrorCode == (unchecked ((int)0x80040604)))
{
StandartJobs.MessageBox("Collision. Probably target folder has subfolder with the same name", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (exception.ErrorCode == (unchecked ((int)0x80040119)) || exception.ErrorCode == (unchecked ((int)0x8004dff2)))
{
StandartJobs.MessageBox("Unspecified error. Can't move or copt folder.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
StandartJobs.MessageBox(exception.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
}
}