Method wireDatasetSignals

app/src/DataModel/ProjectEditor.cpp:429–483

* @brief Wires ProjectModel dataset add/delete signals into selection bookkeeping. */

 * @brief Wires ProjectModel dataset add/delete signals into selection bookkeeping.
 */
void DataModel::ProjectEditor::wireDatasetSignals()
{
  auto& pm = DataModel::ProjectModel::instance();

  connect(
    &pm,
    &DataModel::ProjectModel::datasetAdded,
    this,
    [this](int groupId, int datasetId) {
      if (!m_selectionModel)
        return;

      for (auto it = m_datasetItems.begin(); it != m_datasetItems.end(); ++it) {
        if (it.value().groupId != groupId || it.value().datasetId != datasetId)
          continue;

        m_selectionModel->setCurrentIndex(it.key()->index(), QItemSelectionModel::ClearAndSelect);
        return;
      }

      m_pendingSelectionKind    = PendingSelectionKind::Dataset;
      m_pendingSelectionGroupId = groupId;
      m_pendingSelectionItemId  = datasetId;
    },
    Qt::QueuedConnection);

  connect(
    &pm,
    &DataModel::ProjectModel::datasetDeleted,
    this,
    [this](int survivingGroupId) {
      if (!m_selectionModel)
        return;

      if (survivingGroupId >= 0) {
        for (auto it = m_groupItems.begin(); it != m_groupItems.end(); ++it) {
          if (it.value().groupId != survivingGroupId)
            continue;

          m_selectionModel->setCurrentIndex(it.key()->index(), QItemSelectionModel::ClearAndSelect);
          return;
        }
      }

      if (m_groupsRootItem) {
        m_selectionModel->setCurrentIndex(m_groupsRootItem->index(),
                                          QItemSelectionModel::ClearAndSelect);
        return;
      }

      auto index = m_treeModel->index(0, 0);
      m_selectionModel->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
    },
    Qt::QueuedConnection);
}

/**
 * @brief Wires ProjectModel action add/delete signals into selection bookkeeping.