Method index

tools/monitor/MonitorDataModel.cpp:77–100

}

QModelIndex
MonitorDataModel::index( TreeNode* node, int column) const
{
  // Treat null nodes as the root.
  if( !node) node = this->root_;

  // We have to reach the root before we can start forming indices.
  // Retain the row information for the entire path as we traverse it.
  QList<int> list;
  for( ; node->parent(); node = node->parent()) {
    list.append( node->row());
  }

  // Form the index of the tree root to start from.  Use the topmost
  // non-null node that we found as the root.
  QModelIndex index = this->QAbstractItemModel::createIndex( 0, column, node);

  // Now we can form index values all the way back to the node of
  // interest.
  while( !list.isEmpty()) {
    index = this->index( list.takeLast(), column, index);
  }
  return index;
}

TreeNode*
MonitorDataModel::getNode( const QModelIndex &index, bool defaultToRoot) const