Method OnPlotChannelData

lib/mdflib/mdfviewer/src/mdfdocument.cpp:574–652

}

void MdfDocument::OnPlotChannelData(wxCommandEvent &) {
  IDataGroup* dg = nullptr;
  IChannelGroup* cg = nullptr;
  IChannel* cn = nullptr;

  const auto selected_id = GetSelectedBlockId();
  auto *selected_block = GetBlock(selected_id);
  if (selected_block != nullptr && selected_block->BlockType() == "CN") {
    cn = dynamic_cast<IChannel*>(selected_block);
  }

  const auto parent_id = GetParentBlockId();
  auto *parent_block = GetBlock(parent_id);
  if (parent_block != nullptr && parent_block->BlockType() == "CG") {
    cg = dynamic_cast<IChannelGroup*>(parent_block);
  }

  const auto grand_parent_id = GetGrandParentBlockId();
  auto *grand_parent_block = GetBlock(grand_parent_id);
  if (grand_parent_block != nullptr && grand_parent_block->BlockType() == "DG") {
    dg = dynamic_cast<IDataGroup*>(grand_parent_block);
  }
  auto& app = wxGetApp();
  if (dg == nullptr || cg == nullptr || cn == nullptr || app.GnuPlot().empty()) {
    return;
  }
  const auto* x_axis = cg->GetXChannel(*cn); // Need to show the master channel as well as the data channel

  std::ostringstream title;
  if (!cn->Name().empty()) {
    title << cn->Name();
  }

  if (!cg->Name().empty()) {
    if (!title.str().empty()) {
      title << "/";
    }
    title << cg->Name();
  }

  if (!dg->Description().empty()) {
    if (!title.str().empty()) {
      title << "/";
    }
    title << dg->Description();
  }

  if (!title.str().empty()) {
    title << "/";
  }
  title << reader_->ShortName();

  // Create the observer list
  auto observer_list = std::make_unique<mdf::ChannelObserverList>();
  if (x_axis != nullptr) {
    observer_list->emplace_back(std::move(mdf::CreateChannelObserver(*dg, *cg, *x_axis)));
  }
  observer_list->emplace_back(std::move(mdf::CreateChannelObserver(*dg, *cg, *cn)));