.. _program_listing_file_MRMLDM_vtkMRMLLayerDMPipelineFactory.h:

Program Listing for File vtkMRMLLayerDMPipelineFactory.h
========================================================

|exhale_lsh| :ref:`Return to documentation for file <file_MRMLDM_vtkMRMLLayerDMPipelineFactory.h>` (``MRMLDM/vtkMRMLLayerDMPipelineFactory.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include "vtkSlicerLayerDMModuleMRMLDisplayableManagerExport.h"
   
   // VTK includes
   #include <vtkCommand.h>
   #include <vtkObject.h>
   #include <vtkSmartPointer.h>
   #include <vtkWeakPointer.h>
   
   // STL includes
   #include <functional>
   #include <vector>
   
   class vtkMRMLAbstractViewNode;
   class vtkMRMLLayerDMObjectEventObserver;
   class vtkMRMLLayerDMPipelineCreatorI;
   class vtkMRMLLayerDMPipelineI;
   class vtkMRMLNode;
   
   class VTK_SLICER_LAYERDM_MODULE_MRMLDISPLAYABLEMANAGER_EXPORT vtkMRMLLayerDMPipelineFactory : public vtkObject
   {
   public:
     enum Events
     {
       // Triggered when the factory creates a non-empty pipeline
       PipelineAboutToBeCreatedEvent = vtkCommand::UserEvent + 1
     };
   
     static vtkMRMLLayerDMPipelineFactory* New();
     vtkTypeMacro(vtkMRMLLayerDMPipelineFactory, vtkObject);
   
     static vtkSmartPointer<vtkMRMLLayerDMPipelineFactory> GetInstance();
   
     void AddPipelineCreator(const vtkSmartPointer<vtkMRMLLayerDMPipelineCreatorI>& creator);
   
     vtkSmartPointer<vtkMRMLLayerDMPipelineCreatorI> AddPipelineCreator(
       const std::function<vtkSmartPointer<vtkMRMLLayerDMPipelineI>(vtkMRMLAbstractViewNode*, vtkMRMLNode*)>& creatorCallBack,
       int priority = 0);
   
     void RemovePipelineCreator(const vtkSmartPointer<vtkMRMLLayerDMPipelineCreatorI>& creator);
   
     bool ContainsPipelineCreator(const vtkSmartPointer<vtkMRMLLayerDMPipelineCreatorI>& creator) const;
   
     vtkSmartPointer<vtkMRMLLayerDMPipelineI> CreatePipeline(vtkMRMLAbstractViewNode* viewNode, vtkMRMLNode* node);
   
     vtkMRMLAbstractViewNode* GetLastViewNode() const;
     vtkMRMLNode* GetLastNode() const;
     vtkMRMLLayerDMPipelineI* GetLastPipeline() const;
   
   protected:
     vtkMRMLLayerDMPipelineFactory();
     ~vtkMRMLLayerDMPipelineFactory() override = default;
   
   private:
     void SortPipelineCreators();
   
     std::vector<vtkSmartPointer<vtkMRMLLayerDMPipelineCreatorI>> m_pipelineCreators;
     vtkSmartPointer<vtkMRMLLayerDMObjectEventObserver> m_obs;
     vtkWeakPointer<vtkMRMLAbstractViewNode> m_lastView;
     vtkWeakPointer<vtkMRMLNode> m_lastNode;
     vtkWeakPointer<vtkMRMLLayerDMPipelineI> m_lastPipeline;
   };