vtkMRMLLayerDMSelectionObserver.h

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/*==============================================================================
 
  Program: 3D Slicer
 
  Copyright (c) Kitware SAS
 
  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.
 
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 
  This file was originally developed by Thibault Pelletier, Kitware SAS,
  and was partially funded by ANR grants ANR-22-CE45-0034 and ANR-18-RHUS-005.
 
==============================================================================*/
 
#ifndef __vtkMRMLLayerDMSelectionObserver_h
#define __vtkMRMLLayerDMSelectionObserver_h
 
// LayerDM includes
#include "vtkSlicerLayerDMModuleMRMLExport.h"
 
// VTK includes
#include <vtkObject.h>
#include <vtkSmartPointer.h>
#include <vtkWeakPointer.h>
 
class vtkMRMLInteractionNode;
class vtkMRMLNode;
class vtkMRMLScene;
class vtkMRMLSelectionNode;
class vtkMRMLLayerDMObjectEventObserver;
class vtkMRMLApplicationLogic;

class VTK_SLICER_LAYERDM_MODULE_MRML_EXPORT vtkMRMLLayerDMSelectionObserver : public vtkObject
{
public:
  static vtkMRMLLayerDMSelectionObserver* New();
  vtkTypeMacro(vtkMRMLLayerDMSelectionObserver, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetScene(vtkMRMLScene* scene);
  void UpdateNodesFromScene(vtkMRMLScene* scene);

  void UpdateNodesFromApplicationLogic(vtkMRMLApplicationLogic* logic);
 
  bool SetInteractionNode(vtkMRMLInteractionNode* interactionNode);
  vtkMRMLInteractionNode* GetInteractionNode() const;
 
  bool SetSelectionNode(vtkMRMLSelectionNode* selectionNode);
  vtkMRMLSelectionNode* GetSelectionNode() const;

  bool IsPlacing(vtkMRMLNode* node) const;

  bool IsPlacing() const;

  void StartPlace(vtkMRMLNode* node, bool isPersistent);

  void StopPlace() const;
 
  std::string GetActivePlaceNodeID() const;
  void SetInteractionMode(int interactionMode) const;
  int GetCurrentInteractionMode() const;

  bool GetPlaceModePersistence() const;
 
protected:
  vtkMRMLLayerDMSelectionObserver();
  ~vtkMRMLLayerDMSelectionObserver() override;
  vtkMRMLLayerDMSelectionObserver(const vtkMRMLLayerDMSelectionObserver&) = delete;
  void operator=(const vtkMRMLLayerDMSelectionObserver&) = delete;
 
private:
  vtkSmartPointer<vtkMRMLLayerDMObjectEventObserver> Observer;
  vtkWeakPointer<vtkMRMLScene> Scene;
  vtkWeakPointer<vtkMRMLInteractionNode> InteractionNode;
  vtkWeakPointer<vtkMRMLSelectionNode> SelectionNode;
};
 
#endif