Esempio n. 1
0
mitk::InteractionEvent::Pointer mitk::EventFactory::CreateEvent(PropertyList::Pointer list)
{
//
  std::string eventClass, eventVariant;
  list->GetStringProperty(InteractionEventConst::xmlParameterEventClass().c_str(), eventClass);
  list->GetStringProperty(InteractionEventConst::xmlParameterEventVariant().c_str(), eventVariant);

// Query all possible attributes, if they are not present, set their default values.
// Position Events & Key Events
  std::string strModifiers;
  InteractionEvent::ModifierKeys modifiers = InteractionEvent::NoKey;
  std::string strEventButton;
  InteractionEvent::MouseButtons eventButton = InteractionEvent::NoButton;
  std::string strButtonState;
  InteractionEvent::MouseButtons buttonState = InteractionEvent::NoButton;
  std::string strKey;
  std::string key;
  std::string strWheelDelta;
  int wheelDelta;
  std::string strSignalName = "";

  Point2D pos;
  pos.Fill(0);

// Parse modifier information
  if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyModifier().c_str(), strModifiers))
  {
    std::vector<std::string> mods = split(strModifiers, ',');
    for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
    {
      std::transform((*it).begin(), (*it).end(), (*it).begin(), ::toupper);
      if (*it == "CTRL")
      {
        modifiers = modifiers | InteractionEvent::ControlKey;
      }
      else if (*it == "ALT")
      {
        modifiers = modifiers | InteractionEvent::AltKey;
      }
      else if (*it == "SHIFT")
      {
        modifiers = modifiers | InteractionEvent::ShiftKey;
      }
      else
      {
        MITK_WARN<< "mitkEventFactory: Invalid event modifier in config file :" << (*it);
      }
    }
  }

// Set EventButton
  if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyEventButton().c_str(), strEventButton))
  {
    std::transform(strEventButton.begin(), strEventButton.end(), strEventButton.begin(), ::toupper);
    if (strEventButton == "MIDDLEMOUSEBUTTON")
    {
      eventButton = InteractionEvent::MiddleMouseButton;
    }
    else if (strEventButton == "LEFTMOUSEBUTTON")
    {
      eventButton = InteractionEvent::LeftMouseButton;
    }
    else if (strEventButton == "RIGHTMOUSEBUTTON")
    {
      eventButton = InteractionEvent::RightMouseButton;
    }
    else
    {
      MITK_WARN<< "mitkEventFactory: Invalid event button in config file: " << strEventButton;
    }
  }

// Parse ButtonStates
  if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyButtonState().c_str(), strButtonState))
  {
    std::vector<std::string> mods = split(strButtonState, ',');
    for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
    {
      std::transform((*it).begin(), (*it).end(), (*it).begin(), ::toupper);
      if (*it == "MIDDLEMOUSEBUTTON")
      {
        buttonState = buttonState | InteractionEvent::MiddleMouseButton;
      }
      else if (*it == "LEFTMOUSEBUTTON")
      {
        buttonState = buttonState | InteractionEvent::LeftMouseButton;
      }
      else if (*it == "RIGHTMOUSEBUTTON")
      {
        buttonState = buttonState | InteractionEvent::RightMouseButton;
      }
      else
      {
        MITK_WARN<< "mitkEventFactory: Invalid event buttonstate in config file:" << (*it);
      }
    }
  }

// Key
  if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyKey().c_str(), strKey))
  {
    key = "";
  }
  else
  {
    key = strKey;
  }
// WheelDelta
  if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyScrollDirection().c_str(), strWheelDelta))
  {
    wheelDelta = 0;
  }
  else
  {
    std::transform(strWheelDelta.begin(), strWheelDelta.end(), strWheelDelta.begin(), ::toupper);
    if (strWheelDelta == "DOWN")
    {
      wheelDelta = -1;
    }
    else
    {
      wheelDelta = 1;
    }
  }
// Internal Signals Name
  list->GetStringProperty(InteractionEventConst::xmlEventPropertySignalName().c_str(), strSignalName);

  /*
   * Here the objects are created
   */

  mitk::InteractionEvent::Pointer event;
  std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);

  if (eventClass == "MOUSEPRESSEVENT")
  {
    // buttonstates incorporate the event button (as in Qt)
    buttonState = buttonState | eventButton;
    event = MousePressEvent::New(NULL, pos, buttonState, modifiers, eventButton);
  }
  else if (eventClass == "MOUSEDOUBLECLICKEVENT")
  {
    buttonState = buttonState | eventButton;
    event = MouseDoubleClickEvent::New(NULL, pos, buttonState, modifiers, eventButton);
  }
  else if (eventClass == "MOUSEMOVEEVENT")
  {
    event = MouseMoveEvent::New(NULL, pos, buttonState, modifiers);
  }
  else if (eventClass == "MOUSERELEASEEVENT")
  {
    event = MouseReleaseEvent::New(NULL, pos, buttonState, modifiers, eventButton);
  }
  else if (eventClass == "INTERACTIONKEYEVENT")
  {
    event = InteractionKeyEvent::New(NULL, key, modifiers);
  }
  else if (eventClass == "MOUSEWHEELEVENT")
  {
    event = MouseWheelEvent::New(NULL, pos, buttonState, modifiers, wheelDelta);
  }
  else if (eventClass == "INTERACTIONPOSITIONEVENT")
  {
    event = InteractionPositionEvent::New(NULL, pos);
  }
  else if (eventClass == "INTERNALEVENT")
  {
    event = InternalEvent::New(NULL, NULL, strSignalName);
  }
  else if (eventClass == "INTERACTIONEVENT")
  {
    event = InteractionEvent::New(NULL);
  }
  if (event.IsNull())
  {
    MITK_WARN<< "Event couldn't be constructed. Please check your StateMachine patterns and config files\n for the following event class, which is not valid: " << eventClass;
    return NULL;
  }
  return event;
}
Esempio n. 2
0
mitk::InteractionEvent::Pointer mitk::EventFactory::CreateEvent(PropertyList::Pointer list)
{
  //
  std::string eventClass, eventVariant;
  list->GetStringProperty(InteractionEventConst::xmlParameterEventClass().c_str(), eventClass);
  list->GetStringProperty(InteractionEventConst::xmlParameterEventVariant().c_str(), eventVariant);

  // Query all possible attributes, if they are not present, set their default values.
  // Position Events & Key Events
  std::string strModifiers;
  InteractionEvent::ModifierKeys modifiers = InteractionEvent::NoKey;
  std::string strEventButton;
  InteractionEvent::MouseButtons eventButton = InteractionEvent::NoButton;
  std::string strButtonState;
  InteractionEvent::MouseButtons buttonState = InteractionEvent::NoButton;
  std::string strKey;
  std::string key;
  std::string strWheelDelta;
  int wheelDelta;
  std::string strSignalName = "";

  Point2D pos;
  pos.Fill(0);
  std::string strPos;

  // Position on screen
  if( list->GetStringProperty(InteractionEventConst::xmlEventPropertyPositionOnScreen().c_str(), strPos))
  {
    //split comma separated string
    int commaPos;
    commaPos = strPos.find_first_of(',');

    pos[0] = static_cast<mitk::ScalarType>(std::atof(strPos.substr(0, commaPos).c_str()));
    pos[1] = static_cast<mitk::ScalarType>(std::atof(strPos.substr(commaPos+1, strPos.length()).c_str()));
  }

  std::string strWorld;
  Point3D worldPos;
  worldPos.Fill(0);
  //Position in world coordinates
  if(list->GetStringProperty(InteractionEventConst::xmlEventPropertyPositionInWorld().c_str(), strWorld))
  {
    const std::vector<std::string> coords = split(strWorld, ',');
    int i = 0;
    for ( std::vector<std::string>::const_iterator it = coords.cbegin(); it != coords.cend(); ++it, ++i)
    {
      worldPos[i] = atof((*it).c_str());
    }
  }

  // Parse modifier information
  if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyModifier().c_str(), strModifiers))
  {
    std::vector<std::string> mods = split(strModifiers, ',');
    for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
    {
      std::transform((*it).cbegin(), (*it).cend(), (*it).begin(), ::toupper);
      if (*it == "CTRL")
      {
        modifiers = modifiers | InteractionEvent::ControlKey;
      }
      else if (*it == "ALT")
      {
        modifiers = modifiers | InteractionEvent::AltKey;
      }
      else if (*it == "SHIFT")
      {
        modifiers = modifiers | InteractionEvent::ShiftKey;
      }
      else
      {
        MITK_WARN<< "mitkEventFactory: Invalid event modifier in config file :" << (*it);
      }
    }
  }

  // Set EventButton
  if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyEventButton().c_str(), strEventButton))
  {
    std::transform(strEventButton.cbegin(), strEventButton.cend(), strEventButton.begin(), ::toupper);
    if (strEventButton == "MIDDLEMOUSEBUTTON")
    {
      eventButton = InteractionEvent::MiddleMouseButton;
    }
    else if (strEventButton == "LEFTMOUSEBUTTON")
    {
      eventButton = InteractionEvent::LeftMouseButton;
    }
    else if (strEventButton == "RIGHTMOUSEBUTTON")
    {
      eventButton = InteractionEvent::RightMouseButton;
    }
    else
    {
      MITK_WARN<< "mitkEventFactory: Invalid event button in config file: " << strEventButton;
    }
  }

  // Parse ButtonStates
  if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyButtonState().c_str(), strButtonState))
  {
    std::vector<std::string> mods = split(strButtonState, ',');
    for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
    {
      std::transform((*it).cbegin(), (*it).cend(), (*it).begin(), ::toupper);
      if (*it == "MIDDLEMOUSEBUTTON")
      {
        buttonState = buttonState | InteractionEvent::MiddleMouseButton;
      }
      else if (*it == "LEFTMOUSEBUTTON")
      {
        buttonState = buttonState | InteractionEvent::LeftMouseButton;
      }
      else if (*it == "RIGHTMOUSEBUTTON")
      {
        buttonState = buttonState | InteractionEvent::RightMouseButton;
      }
      else
      {
        MITK_WARN<< "mitkEventFactory: Invalid event buttonstate in config file:" << (*it);
      }
    }
  }

  // Key
  if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyKey().c_str(), strKey))
  {
    key = "";
  }
  else
  {
    key = strKey;
  }
  // WheelDelta
  if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyScrollDirection().c_str(), strWheelDelta))
  {
    wheelDelta = 0;
  }
  else
  {
    std::transform(strWheelDelta.cbegin(), strWheelDelta.cend(), strWheelDelta.begin(), ::toupper);
    if (strWheelDelta == "DOWN")
    {
      wheelDelta = -1;
    }
    else
    {
      wheelDelta = 1;
    }
  }
  // Internal Signals Name
  list->GetStringProperty(InteractionEventConst::xmlEventPropertySignalName().c_str(), strSignalName);

  // Get BaseRenderer by name
  mitk::BaseRenderer* renderer = NULL;
  std::string strRenderer;

  // only search for a renderer if there is at least one renderer registered
  if(mitk::BaseRenderer::baseRendererMap.size() > 0)
  {

    if(list->GetStringProperty(mitk::InteractionEventConst::xmlEventPropertyRendererName().c_str(), strRenderer))
    {
      //look up for renderer registered with the name in xml file
      renderer = mitk::BaseRenderer::GetByName(strRenderer);
    }

    //if not found always use first registered renderer
    if(renderer == NULL)
      renderer = (*(mitk::BaseRenderer::baseRendererMap.cbegin())).second;
}

  /*
   * Here the objects are created
   */

  mitk::InteractionEvent::Pointer event;
  std::transform(eventClass.cbegin(), eventClass.cend(), eventClass.begin(), ::toupper);

  if (eventClass == "MOUSEPRESSEVENT")
  {
    // buttonstates incorporate the event button (as in Qt)
    buttonState = buttonState | eventButton;
    event = MousePressEvent::New(renderer, pos, buttonState, modifiers, eventButton);
  }
  else if (eventClass == "MOUSEDOUBLECLICKEVENT")
  {
    buttonState = buttonState | eventButton;
    event = MouseDoubleClickEvent::New(renderer, pos, buttonState, modifiers, eventButton);
  }
  else if (eventClass == "MOUSEMOVEEVENT")
  {
    event = MouseMoveEvent::New(renderer, pos, buttonState, modifiers);
  }
  else if (eventClass == "MOUSERELEASEEVENT")
  {
    event = MouseReleaseEvent::New(renderer, pos, buttonState, modifiers, eventButton);
  }
  else if (eventClass == "INTERACTIONKEYEVENT")
  {
    event = InteractionKeyEvent::New(renderer, key, modifiers);
  }
  else if (eventClass == "MOUSEWHEELEVENT")
  {
    event = MouseWheelEvent::New(renderer, pos, buttonState, modifiers, wheelDelta);
  }
  else if (eventClass == "INTERACTIONPOSITIONEVENT")
  {
    event = InteractionPositionEvent::New(renderer, pos);
  }
  else if (eventClass == "INTERNALEVENT")
  {
    event = InternalEvent::New(renderer, NULL, strSignalName);
  }
  else if (eventClass == "INTERACTIONEVENT")
  {
    event = InteractionEvent::New(renderer);
  }
  if (event.IsNull())
  {
    MITK_WARN<< "Event couldn't be constructed. Please check your StateMachine patterns and config files\n for the following event class, which is not valid: " << eventClass;
    return NULL;
  }
  return event;
}