vtkSlicerSequencesLogic.h

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/*==============================================================================

  Program: 3D Slicer

  Portions (c) Copyright Brigham and Women's Hospital (BWH) All Rights Reserved.

  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.

==============================================================================*/

// .NAME vtkSlicerSequencesLogic - slicer logic class for volumes manipulation
// .SECTION Description
// This class manages the logic associated with reading, saving,
// and changing propertied of the volumes


#ifndef __vtkSlicerSequencesLogic_h
#define __vtkSlicerSequencesLogic_h

// Slicer includes
#include "vtkSlicerModuleLogic.h"

// MRML includes

// STD includes
#include <cstdlib>

#include "vtkSlicerSequencesModuleLogicExport.h"

class vtkMRMLMessageCollection;
class vtkMRMLNode;
class vtkMRMLSequenceNode;
class vtkMRMLSequenceBrowserNode;

class VTK_SLICER_SEQUENCES_MODULE_LOGIC_EXPORT vtkSlicerSequencesLogic :
  public vtkSlicerModuleLogic
{
public:

  static vtkSlicerSequencesLogic *New();
  vtkTypeMacro(vtkSlicerSequencesLogic, vtkSlicerModuleLogic);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkMRMLSequenceNode* AddSequence(const char* filename, vtkMRMLMessageCollection* userMessages=nullptr);

  void UpdateAllProxyNodes();

  void UpdateProxyNodesFromSequences(vtkMRMLSequenceBrowserNode* browserNode);

  void UpdateSequencesFromProxyNodes(vtkMRMLSequenceBrowserNode* browserNode, vtkMRMLNode* proxyNode);

  void UpdateVirtualOutputNodes(vtkMRMLSequenceBrowserNode* browserNode)
    {
    static bool warningLogged = false;
    if (!warningLogged)
      {
      vtkWarningMacro("vtkSlicerSequenceBrowserLogic::UpdateVirtualOutputNodes is deprecated,"
        << " use vtkSlicerSequenceBrowserLogic::UpdateProxyNodes method instead");
      warningLogged = true;
      }
    this->UpdateProxyNodesFromSequences(browserNode);
    }

  vtkMRMLSequenceNode* AddSynchronizedNode(vtkMRMLNode* sequenceNode, vtkMRMLNode* proxyNode, vtkMRMLNode* browserNode);

  void GetCompatibleNodesFromScene(vtkCollection* compatibleNodes, vtkMRMLSequenceNode* sequenceNode);

  static bool IsNodeCompatibleForBrowsing(vtkMRMLSequenceNode* masterNode, vtkMRMLSequenceNode* testedNode);

  void GetBrowserNodesForSequenceNode(vtkMRMLSequenceNode* sequenceNode, vtkCollection* foundBrowserNodes);

  vtkMRMLSequenceBrowserNode* GetFirstBrowserNodeForSequenceNode(vtkMRMLSequenceNode* sequenceNode);

protected:
  vtkSlicerSequencesLogic();
  ~vtkSlicerSequencesLogic() override;

  void SetMRMLSceneInternal(vtkMRMLScene* newScene) override;
  void RegisterNodes() override;
  void UpdateFromMRMLScene() override;
  void OnMRMLSceneNodeAdded(vtkMRMLNode* node) override;
  void OnMRMLSceneNodeRemoved(vtkMRMLNode* node) override;
  void ProcessMRMLNodesEvents(vtkObject *caller, unsigned long event, void *callData) override;

  bool IsDataConnectorNode(vtkMRMLNode*);

  // Time of the last update of each browser node (in universal time)
  std::map< vtkMRMLSequenceBrowserNode*, double > LastSequenceBrowserUpdateTimeSec;

private:

  bool UpdateProxyNodesFromSequencesInProgress{false};
  bool UpdateSequencesFromProxyNodesInProgress{false};

  vtkSlicerSequencesLogic(const vtkSlicerSequencesLogic&); // Not implemented
  void operator=(const vtkSlicerSequencesLogic&);               // Not implemented
};

#endif