bool ChartElemNavaids::addNdb(const Ndb& ndb, QDomElement& element, QDomDocument& dom_doc, QString& err_msg) { QString leaf_id = getLeafID(ndb); // check for double entries if (containsLeaf(leaf_id)) { err_msg = QString("Double NDB entry detected: (%1)").arg(ndb.getId()); return false; } // process the NDB ChartElemNdb* chart_elem_ndb = new ChartElemNdb(this, m_chart_model, ndb); MYASSERT(chart_elem_ndb != 0); if (!chart_elem_ndb->loadFromDomElement(element, dom_doc, err_msg)) { delete chart_elem_ndb; return false; } addLeaf(leaf_id, chart_elem_ndb); return true; }