Method LoadState

Remoting/Views/vtkSMViewLayoutProxy.cxx:315–381

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//----------------------------------------------------------------------------
void vtkSMViewLayoutProxy::LoadState(const vtkSMMessage* message, vtkSMProxyLocator* locator)
{
  this->Superclass::LoadState(message, locator);

  if (message->ExtensionSize(ProxyState::user_data) != 1)
  {
    // vtkWarningMacro("Missing ViewLayoutState");
    return;
  }

  const ProxyState_UserData& user_data = message->GetExtension(ProxyState::user_data, 0);
  if (user_data.key() != "ViewLayoutState")
  {
    // vtkWarningMacro("Unexpected user_data. Expecting ViewLayoutState.");
    return;
  }

  const bool prev = this->SetBlockUpdateViewPositions(true);

  this->Internals->KDTree.clear();
  this->Internals->KDTree.resize(user_data.variant_size());

  for (int cc = 0; cc < user_data.variant_size(); cc++)
  {
    vtkInternals::Cell& cell = this->Internals->KDTree[cc];
    const Variant& value = user_data.variant(cc);

    cell.SplitFraction = value.float64(0);

    switch (value.integer(0))
    {
      case HORIZONTAL:
        cell.Direction = HORIZONTAL;
        break;

      case VERTICAL:
        cell.Direction = VERTICAL;
        break;

      case NONE:
      default:
        cell.Direction = NONE;
    }

    if (locator && vtkSMProxyProperty::CanCreateProxy())
    {
      cell.ViewProxy = vtkSMViewProxy::SafeDownCast(locator->LocateProxy(value.proxy_global_id(0)));
    }
    else
    {
      cell.ViewProxy =
        vtkSMViewProxy::SafeDownCast(this->GetSession()->GetRemoteObject(value.proxy_global_id(0)));
    }
    if (cell.ViewProxy && cell.ViewProxy->GetProperty("ViewSize"))
    {
      // every time view-size changes, we update the view positions for all views.
      cell.ViewProxy->GetProperty("ViewSize")
        ->AddObserver(vtkCommand::ModifiedEvent, this->Internals->Observer);