Method LoadHandler

Plugins/org.blueberry.ui.qt/src/internal/berryHandlerProxy.cpp:318–361

}

bool HandlerProxy::LoadHandler() const
{
  if (handler.IsNull())
  {
    HandlerProxy* self = const_cast<HandlerProxy*>(this);
    // Load the handler.
    try
    {
      if (configurationElement.IsNotNull())
      {
        handler = configurationElement->CreateExecutableExtension<IHandler>(handlerAttributeName);
        if (handler.IsNotNull())
        {
          handler->AddHandlerListener(GetHandlerListener());
          self->SetEnabled(evaluationService == nullptr ? IEvaluationContext::Pointer(nullptr) : evaluationService->GetCurrentState());
          self->RefreshElements();
          return true;
        }
        else
        {
          const QString message = "The proxied handler was the wrong class";
          IStatus::Pointer status(
                new Status(IStatus::ERROR_TYPE, PlatformUI::PLUGIN_ID(), 0, message, BERRY_STATUS_LOC));
          WorkbenchPlugin::Log(message, status);
          configurationElement = nullptr;
          loadException = new ctkException("Class cast exception");
        }
      }
    }
    catch (const CoreException& e)
    {
      const QString message = "The proxied handler for '" + configurationElement->GetAttribute(handlerAttributeName)
          + "' could not be loaded";
      IStatus::Pointer status(
            new Status(IStatus::ERROR_TYPE, PlatformUI::PLUGIN_ID(), 0, message, e, BERRY_STATUS_LOC));
      WorkbenchPlugin::Log(message, status);
      configurationElement = nullptr;
      loadException = e.clone();
    }
    return false;
  }

  return true;
}

IHandlerListener* HandlerProxy::GetHandlerListener() const
{