158   return QVariant();

   158   return QVariant();

   159 }

   159 }

   160 

   160 

   161 void DynamicTreeModel::clear()

   161 void DynamicTreeModel::clear()

   162 {

   162 {

   163   m_items.clear();

   164   m_items.clear();

   164   m_childItems.clear();

   165   m_childItems.clear();

   165   nextId = 1;

   166   nextId = 1;

   167 }

   168 }

   168 

   169 

   169 

   170 

   170 ModelChangeCommand::ModelChangeCommand( DynamicTreeModel *model, QObject *parent )

   171 ModelChangeCommand::ModelChangeCommand( DynamicTreeModel *model, QObject *parent )

   171     : QObject(parent), m_model(model), m_numCols(1), m_startRow(-1), m_endRow(-1)

   172     : QObject(parent), m_model(model), m_numCols(1), m_startRow(-1), m_endRow(-1)