Method xmlLoadState

pj_plotting/widget/src/TabbedPlotWidget.cpp:556–612

}

bool TabbedPlotWidget::xmlLoadState(const QDomElement& tabbed_area) {
  if (tabbed_area.isNull() || tabbed_area.tagName() != QStringLiteral("tabbed_widget")) {
    return false;
  }

  setStateId(tabbed_area.attribute(QStringLiteral("id")));
  if (tabbed_area.hasAttribute(QStringLiteral("name"))) {
    name_ = tabbed_area.attribute(QStringLiteral("name"));
  }

  QVector<QDomElement> target_tabs;
  for (QDomElement tab = tabbed_area.firstChildElement(QStringLiteral("Tab")); !tab.isNull();
       tab = tab.nextSiblingElement(QStringLiteral("Tab"))) {
    target_tabs.push_back(tab);
  }
  if (target_tabs.isEmpty()) {
    return false;
  }

  restoring_state_ = true;

  // Tear down existing tabs (frames + dockers) before rebuilding.
  for (TabEntry& entry : tabs_) {
    stack_->removeWidget(entry.docker);
    entry.docker->deleteLater();
    tabs_bar_layout_->removeWidget(entry.frame);
    entry.frame->deleteLater();
  }
  tabs_.clear();
  tab_suffix_count_ = 0;

  for (qsizetype target_index = 0; target_index < target_tabs.size(); ++target_index) {
    const QDomElement tab_element = target_tabs.at(target_index);
    const QString tab_name =
        tab_element.attribute(QStringLiteral("tab_name"), QStringLiteral("tab%1").arg(target_index + 1));
    PlotDocker* docker = addTab(tab_name);
    docker->setStateId(tab_element.attribute(QStringLiteral("id")));
    docker->setName(tab_name);
    if (!docker->xmlLoadState(tab_element)) {
      restoring_state_ = false;
      return false;
    }
  }

  const int requested_index = tabbed_area.firstChildElement(QStringLiteral("currentTabIndex"))
                                  .attribute(QStringLiteral("index"), QStringLiteral("0"))
                                  .toInt();
  const int max_index = dockerCount() - 1;
  const int current_index = std::clamp(requested_index, 0, std::max(0, max_index));
  if (PlotDocker* docker = dockerAt(current_index)) {
    stack_->setCurrentWidget(docker);
    updateSelectionStyle();
    emit currentTabChanged(docker);
  }
  restoring_state_ = false;
  return true;
}