1 files changed, 53 insertions, 4 deletions

diff --git a/kmail/kmfolderdir.cpp b/kmail/kmfolderdir.cpp
index 46aba345c..1ecab637b 100644
--- a/kmail/kmfolderdir.cpp
+++ b/kmail/kmfolderdir.cpp
@@ -163,6 +163,31 @@ TQString KMFolderDir::prettyURL() const
     return label();
 }
 
+//-----------------------------------------------------------------------------
+void KMFolderDir::addDirToParent( const TQString &dirName, KMFolder *parentFolder )
+{
+  KMFolderDir* folderDir = new KMFolderDir( parentFolder, this, dirName, mDirType);
+  folderDir->reload();
+  append( folderDir );
+  parentFolder->setChild( folderDir );
+}
+
+// Get the default folder type of the given dir type. This function should only be used when
+// needing to find out what the folder type of a missing folder is.
+KMFolderType dirTypeToFolderType( KMFolderDirType dirType )
+{
+  switch( dirType ) {
+
+    // Use maildir for normal folder dirs, as this function is only called when finding a dir
+    // without a parent folder, which can only happen with maildir-like folders
+    case KMStandardDir: return KMFolderTypeMaildir;
+
+    case KMImapDir: return KMFolderTypeImap;
+    case KMDImapDir: return KMFolderTypeCachedImap;
+    case KMSearchDir: return KMFolderTypeSearch;
+    default: Q_ASSERT( false ); return KMFolderTypeMaildir;
+  }
+}
 
 //-----------------------------------------------------------------------------
 bool KMFolderDir::reload(void)
@@ -272,6 +297,7 @@ bool KMFolderDir::reload(void)
     }
   }
 
+  TQStringList dirsWithoutFolder = diList;
   for (folder=folderList.first(); folder; folder=folderList.next())
   {
     for(TQStringList::Iterator it = diList.begin();
@@ -279,13 +305,36 @@ bool KMFolderDir::reload(void)
         ++it)
       if (*it == "." + folder->fileName() + ".directory")
       {
-        KMFolderDir* folderDir = new KMFolderDir( folder, this, *it, mDirType);
-        folderDir->reload();
-        append(folderDir);
-        folder->setChild(folderDir);
+        dirsWithoutFolder.remove( *it );
+        addDirToParent( *it, folder );
         break;
       }
   }
+
+  // Check if the are any dirs without an associated folder. This can happen if the user messes
+  // with the on-disk folder structure, see kolab issue 2972. In that case, we don't want to loose
+  // the subfolders as well, so we recreate the folder so the folder/dir hierachy is OK again.
+  if ( type() == KMDImapDir ) {
+    for ( TQStringList::Iterator it = dirsWithoutFolder.begin();
+          it != dirsWithoutFolder.end(); ++it ) {
+
+      // .foo.directory => foo
+      TQString folderName = *it;
+      int right = folderName.find( ".directory" );
+      int left = folderName.find( "." );
+      Q_ASSERT( left != -1 && right != -1 );
+      folderName = folderName.mid( left + 1, right - 1 );
+
+      kdDebug(5006) << "Found dir without associated folder: " << ( *it ) << ", recreating the folder " << folderName << "." << endl;
+
+      // Recreate the missing folder
+      KMFolder *folder = new KMFolder( this, folderName, KMFolderTypeCachedImap );
+      append( folder );
+      folderList.append( folder );
+
+      addDirToParent( *it, folder );
+    }
+  }
   return TRUE;
 }