Method OnUpdateShowGroupData

lib/mdflib/mdfviewer/src/mdfdocument.cpp:328–381

}

void MdfDocument::OnUpdateShowGroupData(wxUpdateUIEvent &event) {
  event.Enable(false);
  if (!reader_) {
    return;
  }

  const auto selected_id = GetSelectedBlockId();
  const auto selected_block = GetBlock(selected_id);
  if (selected_block == nullptr) {
    return;
  }

  if (selected_block->BlockType() == "DG") {
    const auto* dg = dynamic_cast<const IDataGroup*>(selected_block);
    if (dg == nullptr) {
      return;
    }
    auto cg_list = dg->ChannelGroups();
    bool enable = cg_list.size() == 1;
    event.Enable(cg_list.size() == 1);
  } else if (selected_block->BlockType() == "CG") {
    const auto* cg_block = dynamic_cast<const IChannelGroup*>(selected_block);
    if (cg_block == nullptr) {
      return;
    }
    bool enable = !cg_block->Channels().empty(); // No channels == VLSD CG block
    const auto channel_list = cg_block->Channels();
    for (const auto* channel : channel_list) {
      const auto* cn4 = dynamic_cast<const detail::Cn4Block*>(channel);
      if (cn4 == nullptr || cn4->DataLink() == 0) {
        continue;
      }
      const auto* block = GetBlock(cn4->DataLink());
      if ( const auto* data_block_list = dynamic_cast<const detail::DataListBlock*>(block);
           data_block_list != nullptr && data_block_list->DataSize() > 100'000'000) {
        enable = false;
        break;
      }
      if (const auto* data_block = dynamic_cast<const detail::DataBlock*>(block);
          data_block != nullptr && data_block->DataSize() > 100'000'000) {
        enable = false;
        break;
      }
      if (const auto* vlsd_block = dynamic_cast<const detail::Cg4Block*>(block);
          vlsd_block != nullptr && vlsd_block->NofDataBytes() > 100'000'000) {
        enable = false;
        break;
      }
    }

    event.Enable(enable);
  }

}

void MdfDocument::OnShowChannelData(wxCommandEvent &) {
  if (!reader_) {