Method ListWindowDescriptors

Modules/QtWidgets/src/QmitkMxNMultiWidget.cpp:884–923

}

std::vector<QmitkMxNMultiWidget::WindowDescriptor>
QmitkMxNMultiWidget::ListWindowDescriptors() const
{
  // Validate layout shape: same precondition as SerializeLayout.
  auto* topLayout = this->layout();
  if (nullptr == topLayout || topLayout->count() == 0)
  {
    mitkThrow() << "ListWindowDescriptors: editor has no top-level layout.";
  }
  auto* item = topLayout->itemAt(0);
  auto* widget = (item == nullptr) ? nullptr : item->widget();
  auto* rootSplitter = dynamic_cast<QSplitter*>(widget);
  if (nullptr == rootSplitter)
  {
    mitkThrow() << "ListWindowDescriptors: top-level widget is not a QSplitter.";
  }

  std::vector<WindowDescriptor> result;
  std::function<void(const QSplitter*)> walk = [&](const QSplitter* split)
  {
    for (int i = 0; i < split->count(); ++i)
    {
      auto* child = split->widget(i);
      if (auto* sub = dynamic_cast<QSplitter*>(child))
      {
        walk(sub);
      }
      else if (auto* cell = dynamic_cast<QmitkRenderWindowWidget*>(child))
      {
        result.push_back(this->MakeWindowDescriptor(cell));
      }
      else
      {
        mitkThrow() << "ListWindowDescriptors: unknown child widget type at splitter index " << i << ".";
      }
    }
  };
  walk(rootSplitter);
  return result;
}

QSplitter* QmitkMxNMultiWidget::BuildSplitterFromJsonV2(
  const nlohmann::json& splitNode,