void RendererImplementationPlot::handlePlotSelectionEvent(vtkObject * DEBUG_ONLY(subject), unsigned long /*eventId*/, void * callData)
{
assert(subject == m_chart.Get());
auto plot = reinterpret_cast<vtkPlot *>(callData);
if (!plot)
{
m_renderView.clearSelection();
return;
}
auto contextData = contextDataContaining(*plot);
assert(contextData);
auto selection = VisualizationSelection(
contextData,
contextData->defaultVisualizationPort(),
IndexType::points);
if (auto indexArray = plot->GetSelection())
{
selection.indices.resize(indexArray->GetNumberOfValues());
for (vtkIdType i = 0; i < indexArray->GetNumberOfValues(); ++i)
{
selection.indices[static_cast<size_t>(i)] = indexArray->GetValue(i);
}
}
m_selectedPlot = contextData;
m_renderView.setVisualizationSelection(selection);
}
void AbstractRenderView::onSetSelection(const DataSelection & selection)
{
assert(selection.dataObject && dataObjects().contains(selection.dataObject));
const auto vis = visualizationFor(selection.dataObject);
assert(vis);
auto && newVisSelection = VisualizationSelection(
selection,
vis,
vis->defaultVisualizationPort()
);
setVisualizationSelection(newVisSelection);
}
