Method data

Modules/RenderWindowManagerUI/src/QmitkDataStorageLayerStackModel.cpp:131–184

}

QVariant QmitkDataStorageLayerStackModel::data(const QModelIndex& index, int role) const
{
  if (!index.isValid() || index.model() != this)
  {
    return QVariant();
  }

  if ((index.row()) < 0 || index.row() >= static_cast<int>(m_TempLayerStack.size()))
  {
    return QVariant();
  }

  RenderWindowLayerUtilities::LayerStack::const_iterator layerStackIt = m_TempLayerStack.begin();
  std::advance(layerStackIt, index.row());
  mitk::DataNode* dataNode = layerStackIt->second;
  if (Qt::CheckStateRole == role && 0 == index.column())
  {
    bool visibility = false;
    dataNode->GetVisibility(visibility, m_BaseRenderer.Lock());
    if (visibility)
    {
      return Qt::Checked;
    }
    else
    {
      return Qt::Unchecked;
    }
  }
  else if (Qt::DisplayRole == role && 1 == index.column())
  {
    return QVariant(QString::fromStdString(dataNode->GetName()));
  }
  else if (Qt::ToolTipRole == role)
  {
    if (0 == index.column())
    {
      return QVariant("Show/hide data node.");
    }
    else if (1 == index.column())
    {
      return QVariant("Name of the data node.");
    }
  }
  else if (QmitkDataNodeRole == role)
  {
    return QVariant::fromValue<mitk::DataNode::Pointer>(mitk::DataNode::Pointer(dataNode));
  }
  else if (QmitkDataNodeRawPointerRole == role)
  {
    return QVariant::fromValue<mitk::DataNode*>(dataNode);
  }

  return QVariant();
}

bool QmitkDataStorageLayerStackModel::setData(const QModelIndex &index, const QVariant &value, int role /*= Qt::EditRole*/)
{