// FIXME: this should actually be a member function of ContentIndex
int contentIndexUp( KMime::ContentIndex &index )
{
Q_ASSERT( index.isValid() );
QStringList ids = index.toString().split( QLatin1Char('.') );
QString lastId = ids.takeLast();
index = KMime::ContentIndex( ids.join( QLatin1String(".") ) );
return lastId.toInt();
}
QModelIndex MimeTreeModel::parent(const QModelIndex & index) const
{
if ( !index.isValid() )
return QModelIndex();
KMime::Content *currentContent = static_cast<KMime::Content*>( index.internalPointer() );
if ( !currentContent )
return QModelIndex();
KMime::ContentIndex currentIndex = d->root->indexForContent( currentContent );
if ( !currentIndex.isValid() )
return QModelIndex();
d->contentIndexUp( currentIndex );
KMime::Content *parentContent = d->root->content( currentIndex );
int row = 0;
if ( currentIndex.isValid() )
row = d->contentIndexUp( currentIndex ) - 1; // 1 based -> 0 based
return createIndex( row, 0, parentContent );
}