libgofigure-dev 0.9.0-3 / usr / include / gofigure2 / TraceContainerBase.h

/*=========================================================================
 Authors: The GoFigure Dev. Team.
 at Megason Lab, Systems biology, Harvard Medical school, 2009-11

 Copyright (c) 2009-11, President and Fellows of Harvard College.
 All rights reserved.

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 this list of conditions and the following disclaimer.
 Redistributions in binary form must reproduce the above copyright notice,
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 and/or other materials provided with the distribution.
 Neither the name of the  President and Fellows of Harvard College
 nor the names of its contributors may be used to endorse or promote
 products derived from this software without specific prior written
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 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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=========================================================================*/

#ifndef __TraceContainerBase_h
#define __TraceContainerBase_h

#include <Qt>
#include <QObject>
#include "QGoImageView3D.h"

#include "vtkProperty.h"
#include "StructureHelper.h"
#include "QGoGUILibConfigure.h"

#include "vtkIntArray.h"
#include "vtkActor.h"
#include "vtkMapper.h"
#include "vtkDataSet.h"
#include "vtkPointData.h"

#include "TraceStructure.h"

#include "boost/multi_index_container.hpp"
#include "boost/multi_index/member.hpp"
#include "boost/multi_index/hashed_index.hpp"
#include "boost/multi_index/ordered_index.hpp"
#include "boost/numeric/conversion/cast.hpp"
#include "boost/lexical_cast.hpp"


//-----------------------------------------------------------------------------

template <class T> struct change_highlighted
{
  change_highlighted(bool& iHighlight):highlighted(iHighlight){}

  void operator()(T& iStructure)
  {
    iStructure.Highlighted = highlighted;
  }

private:
  bool highlighted;
};

//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------

template <class T> struct change_visible
{
  change_visible(const bool& iVisibile):visible(iVisibile){}

  void operator()(T& iStructure)
  {
    iStructure.Visible = visible;
  }

private:
  bool visible;
};

//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------

template <class T> struct change_actors
{
  change_actors(std::vector<vtkActor*>& iActors):actor(iActors){}

  void operator()(T& iStructure)
  {
    iStructure.ActorXY = actor[0];
    iStructure.ActorXZ = actor[1];
    iStructure.ActorYZ = actor[2];
    iStructure.ActorXYZ = actor[3];
  }

private:
  std::vector<vtkActor*> actor;
};

//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------

template <class T> struct change_color
{
  change_color(QColor iColor):color(iColor){}

  void operator()(T& iStructure)
  {
    iStructure.rgba[0] = color.redF();
    iStructure.rgba[1] = color.greenF();
    iStructure.rgba[2] = color.blueF();
    iStructure.rgba[3] = color.alphaF();
  }

private:
  QColor color;
};

//-----------------------------------------------------------------------------

/**
 * \class TraceContainerBase
 * \tparam TContainer boost::multi_index_container of a given TraceStructure
 * \brief Generic interface for trace container.
 * More specific container should inherit from this class and get specialized
 * depending on the kind of trace it contains.
 * */
template< class TContainer >
class TraceContainerBase : public QObject
{
public:
  typedef TContainer                                    MultiIndexContainerType;
  typedef typename MultiIndexContainerType::value_type  MultiIndexContainerElementType;

  typedef typename MultiIndexContainerType::template index< TraceID >::type::iterator
  MultiIndexContainerTraceIDIterator;

  typedef typename MultiIndexContainerType::template index< CollectionID >::type::iterator
  MultiIndexContainerCollectionIDIterator;

  typedef typename MultiIndexContainerType::template index< Highlighted >::type::iterator
  MultiIndexContainerHighlightedIterator;

  typedef typename MultiIndexContainerType::template index< Visible >::type::iterator
  MultiIndexContainerVisibleIterator;

  /** \brief Constructor
 * \param[in] iParent Parent to provide ownership (Qt style)
 * \param[in] iView Visualization for trace
 * */
  explicit TraceContainerBase( QObject* iParent, QGoImageView3D* iView );

  /** \brief Destructor */
  virtual ~TraceContainerBase();

  /** \brief Trace Contaienr */
  MultiIndexContainerType m_Container;

  /** \brief Link to the visualization. */
  QGoImageView3D *m_ImageView;

  /** \brief Current Element of the trace type. */
  MultiIndexContainerElementType m_CurrentElement;

  // ----------------------------------------------------------------------

  /** \brief Print the container content in the application output.
 * \tparam TIterator Iterator on one index of boost::multi_index_container
 * or on the container itself.
 * */
  template< class TIterator >
  void Print(TIterator iBegin, TIterator iEnd)
    {
    TIterator it = iBegin;

    while ( it != iEnd )
      {
      std::cout << *it;
      std::cout << "***" << std::endl;
      std::cout << std::endl;
      ++it;
      }
    }

  /**
    \brief Print the container content in the application output according
    to the template parameter.
    \tparam TIndex
    */
  template< class TIndex >
  void Print()
    {
    using boost::multi_index::get;

    this->Print(  this->m_Container.get< TIndex >().begin(),
                  this->m_Container.get< TIndex >().end() );
    }

  /** \brief Print the container content in the application output. */
  void Print();

  // ----------------------------------------------------------------------

  /**
    \brief Set property whenever the trace is highlighted
    \param[in] iProperty
  */
  void SetHighlightedProperty(vtkProperty *iProperty);

  /**
    \brief Get property for highlighted traces
  */
  vtkProperty * GetHighlightedProperty();

  /** \brief Get the CollectionID given a TraceID */
  unsigned int GetCollectionIDOfGivenTraceID( unsigned int iTraceID);

  /**
    \brief Update Visualization of the given TraceIDs
    \tparam TContainer Container of TraceIDs
    \param[in] iList input container of TraceIDs
  */
  template< class TList >
  void UpdateVisualizationForGivenIDs(TList iList)
    {
    using boost::multi_index::get;

    typename TList::iterator it = iList.begin();

    while ( it != iList.end() )
      {
      MultiIndexContainerTraceIDIterator id_it =
        m_Container.get< TraceID >().find( static_cast< unsigned int >( *it ) );

      if ( id_it != m_Container.get< TraceID >().end() )
        {
        bool test = false;
        m_Container.get< TraceID >().
            modify( id_it , change_visible<MultiIndexContainerElementType>(test) );
        m_Container.get< TraceID >().
            modify( id_it , change_highlighted<MultiIndexContainerElementType>(test) );

        vtkProperty *tproperty = vtkProperty::New();
        tproperty->SetColor(id_it->rgba[0], id_it->rgba[1], id_it->rgba[2]);
        tproperty->SetOpacity(id_it->rgba[3]);
        tproperty->SetLineWidth( this->m_IntersectionLineWidth );

        if ( id_it->Nodes )
          {
          bool test2 = id_it->Visible;
          m_Container.get< TraceID >().
              modify( id_it , change_visible<MultiIndexContainerElementType>( test2 ) );

          std::vector< vtkActor * > actor =
              this->m_ImageView->AddContour( id_it->Nodes, tproperty );

          m_Container.get< TraceID >().
              modify( id_it , change_actors<MultiIndexContainerElementType>( actor ) );

          typedef void ( QGoImageView3D::*ImageViewMember )(const int &, vtkActor *);
          ImageViewMember f;

          if ( id_it->Visible )
            {
            f = &QGoImageView3D::AddActor;
            }
          else
            {
            f = &QGoImageView3D::RemoveActor;
            }

          assert( m_ImageView );
          for ( int i = 0; i < 4; i++ )
            {
            ( m_ImageView->*f )(i, actor[i]);
            }
          }
        else
          {
          m_Container.get< TraceID >().
              modify( id_it , change_visible<MultiIndexContainerElementType>(test) );
          }
        }
      ++it;
      }
    }

  /**
  * \brief Update Actors, Highlighted, Visibility (properties) of given
  * a element
  * \tparam TIndex Index Type (referring to multi index container's indices)
  * \param[in] iIt element to update
  * \param[in] iActors its actors
  * \param[in] iHighlighted
  * \param[in] iVisible if false remove the element from the scene, else
  * add it */
  template< class TIndex >
  void UpdateVisualizationForGivenElement(
    typename MultiIndexContainerType::template index< TIndex >::type::iterator& iIt,
    std::vector< vtkActor * > iActors,
    const bool & iHighlighted,
    const bool & iVisible)
    {

    using boost::multi_index::get;

    if ( iActors.size() == 4 )
      {
      m_Container.get< TIndex >().
          modify( iIt , change_actors<MultiIndexContainerElementType>(iActors) );
      }
    bool highlighted = iHighlighted;
    bool visible = iVisible;
    m_Container.get< TIndex >().
        modify( iIt , change_visible<MultiIndexContainerElementType>(visible) );
    m_Container.get< TIndex >().
        modify( iIt , change_highlighted<MultiIndexContainerElementType>(highlighted) );

    typedef void ( QGoImageView3D::*ImageViewMember )(const int &, vtkActor *);
    ImageViewMember f;

    if ( iVisible )
      {
      f = &QGoImageView3D::AddActor;
      }
    else
      {
      f = &QGoImageView3D::RemoveActor;
      }

    assert( m_ImageView );
    for ( int i = 0; i < 4; i++ )
      {
      ( m_ImageView->*f )(i, iActors[i]);
      }
    }

  /**
  \brief Insert one element in the container
  \param[in] iE element to be insert in the container
  */
  void Insert(const MultiIndexContainerElementType & iE);

  /** \brief Insert Current Element in the container */
  void InsertCurrentElement();

  /** \brief Reset Current Element to a default state */
  void ResetCurrentElement();

  /**
  \brief Update Current Element from te database.
  \param[in] iTraceID
  \param[in] irgba
  \param[in] IsVisible
  */
  void UpdateCurrentElementFromDB(unsigned int iTraceID, double irgba[4],
    bool IsVisible = false);

  void UpdateCurrentElementCollection(unsigned int iCollectionID);

  /**
    \brief Get the polydata representing the current element track
    \return Pointer to the current element track
  */
  vtkPolyData* GetCurrentElementNodes();

  /**
    \brief Get the color of the current element track
    \return Pointer to the current element color
  */
  double* GetCurrentElementColor();

  std::vector<vtkActor*> GetActorGivenTraceID( unsigned int iTraceID );

  /**
  \brief put the information of the existing element into m_CurrentElement
  and remove the existing element from the container,the visu and the memory
  \param[in] iTraceID ID of the existing element
  \return true if the element was found in the container, false if not
  */
  bool UpdateCurrentElementFromExistingOne(unsigned int iTraceID, bool iErase = true);

  /** \brief */
  template< class TIndex >
  bool UpdateCurrentElementFromExistingOne(
    typename MultiIndexContainerType::template index< TIndex >::type::iterator iIt )
    {
    using boost::multi_index::get;

    // update current element
    this->m_CurrentElement = *iIt;

    // clean the container but don't erase the pointers since we still have the
    // adresses in the m_CurrentElement
    m_Container.get< TIndex >().erase( iIt );

    return true;
    }

  /**
    \brief Update element visibility given it TraceId
    \param[in] iId TraceID of the element to be modified
    \return true if the element was present in the container.
    \todo Nicolas-should return visibility instead??
  */
  bool UpdateElementVisibilityWithGivenTraceID(const unsigned int & iId);

  //-------------------------------------------------------------------------

  /**
    \brief Remove element from visualization
    \param[in] iId TraceID of the element to be removed
    \return true if the element was present in the container.
  */
  bool
  RemoveElementFromVisualizationWithGivenTraceID(
    const unsigned int & iId);

  /**
    \brief Update element highlighting given it TraceId
    \param[in] iId TraceID of the element to be modified
    \return true if the element was present in the container.
  */
  bool UpdateElementHighlightingWithGivenTraceID(const unsigned int & iId);

  //-------------------------------------------------------------------------

  /**
    \brief Get the list of highlighted elements TraceID.
    */
  std::list< unsigned int > GetHighlightedElementsTraceID();

  std::list< unsigned int > GetHighlightedElementsCollectionID();

  /**
    \brief Get all highlighted elements by pair<ID, Polydata>.
    */

  std::list< vtkPolyData* > GetHighlightedElements();

  /**
    \brief Remove the element which TraceId = iId
    <ul>
      <li>from the visualization
      <li>from the container
      <li>from memory (release memory)
    </ul>
    \param[in] iId TraceID of the element to be deleted
    \return true if the element was present in the container.
  */
  virtual bool DeleteElement(const unsigned int & iId) = 0;

  /**
  \overload DeleteElement(const unsigned int & iId)
  */
  virtual bool DeleteElement(MultiIndexContainerTraceIDIterator iIter) = 0;

  /** \brief Delete all highlighted elements
  \return the list of TraceIDs of such elements
  */
  virtual std::list< unsigned int > DeleteAllHighlightedElements() = 0;

  /**
    \brief Update all highlighted elements in the container with a given color.
    \note Elements remain highlighted as long as it is checked in the Table Widget.
    \param[in] iColor
    \return list of highlighted elements
  */
  std::list< unsigned int > UpdateAllHighlightedElementsWithGivenColor(
    QColor iColor);

  /**
    \brief Color code contour / mesh according to values provided
    \param[in] iColumnName Name of data provided
    \param[in] iValues is a map where the key is the TraceID and the Value is
    a string that can be either converted to a double, or not
    \note if iColumnName and/or iValues are empty traces will be then rendered
    with their original colors.
  */
  void SetColorCode( const std::string& iColumnName,
                     const std::map< unsigned int, std::string >& iValues );

  /**
    \brief Color code contour / mesh according to values provided
    \tparam TValue numerical type that can be converted into double
    \param[in] iColumnName Name of data provided
    \param[in] iValues is a map where the key is the TraceID and the Value is
    the actual data used to color.
    \note if iColumnName and/or iValues are empty traces will be then rendered
    with their original colors.
  */
  template< typename TValue >
  void SetColorCode( const std::string& iColumnName,
                     const std::map< unsigned int, TValue >& iValues )
    {
    typedef TValue                                        ValueType;
    typedef typename std::map< unsigned int, ValueType >  MapType;
    typedef typename MapType::const_iterator              MapConstIterator;

    using boost::multi_index::get;

    if( iColumnName.empty() || iValues.empty() )
      {
      RenderAllElementsWithOriginalColors();
      return;
      }

    MapConstIterator it = iValues.begin();

    double temp = 0.;
    try
      {
      temp = boost::numeric_cast< double >( it->second );
      }
    catch( boost::numeric::bad_numeric_cast& e )
      {
      std::cout <<  e.what() <<std::endl;
      return;
      }

    double min_value = temp;
    double max_value = temp;

    while( it != iValues.end() )
      {
      MultiIndexContainerTraceIDIterator
          trace_it = this->m_Container.get<TraceID>().find( it->first );

      if( trace_it != this->m_Container.get<TraceID>().end() )
        {
          if (trace_it->Nodes) //make sure the trace has points !!!
          {
          // Here let's make sure you are not passing crazy values!
          try
            {
            temp = boost::numeric_cast< double >( it->second );
            }
          catch( boost::numeric::bad_numeric_cast& e )
            {
            std::cout << e.what() <<std::endl;
            return;
            }

          if( temp > max_value )
            {
            max_value = temp;
            }
          if( temp < min_value )
            {
            min_value = temp;
            }

          trace_it->SetScalarData( iColumnName, temp );
          }
        } //end make sure the trace has points !!!
      ++it;
      }

    SetScalarRangeForAllElements( min_value, max_value );

    if( m_ImageView )
      {
      this->m_ImageView->UpdateRenderWindows();
      }
    }

  void SetRandomColor( const std::string& iColumnName,
                       const std::map< unsigned int, unsigned int >& iIds );

  void SetRandomColor( const std::string& iColumnName,
                       const std::map< unsigned int, std::string >& iValues );

  /** \brief Apply the given lookup table to all traces in the container
      \param[in] iLut lookup table */
  void SetLookupTableForColorCoding( vtkLookupTable* iLut );

  void SetIntersectionLineWidth( const float& iWidth );


protected:
  vtkProperty *m_HighlightedProperty;
  float m_IntersectionLineWidth;

  /** \brief Change elements highlighting property given a list of TraceIDs
  and the new status.
    \param[in] iList list of TraceIDs
    \param[in] iCheck */
  virtual void UpdateElementHighlightingWithGivenTraceIDsBase( const QStringList& iList,
                                                   const Qt::CheckState& iCheck );

  /** \brief Change elements visibility property given a list of TraceIDs
  and the new status.
    \param[in] iList list of TraceIDs
    \param[in] iCheck */
  virtual void UpdateElementVisibilityWithGivenTraceIDsBase( const QStringList& iList,
                                                 const Qt::CheckState& iCheck );


  /** \brief Render with original colors */
  void RenderAllElementsWithOriginalColors();

  /** \brief Set the scalar range */
  void SetScalarRangeForAllElements(const double& iMin, const double& iMax );

  void UpdateCurrentElementFromVisuBase( std::vector< vtkActor* >& iActors,
                                         vtkPolyData* iNodes,
                                         const bool& iHighlighted,
                                         const bool& iVisible );

  /**
  \brief Update highlighting property of one element given one actor.
  \param[in] iActor Actor of the element to be modified
  \param[out] oTraceId TraceId of the element
  \param[out] oState Qt::Checked if the element is not highlighted else Qt::UnChecked
  \return true if the element exists
  \return false else
  */
  void UpdateElementHighlightingWithTraceID(
      const unsigned int& oTraceId,
      Qt::CheckState& oState )
    {
      using boost::multi_index::get;

      typedef typename MultiIndexContainerType::template index< TraceID >::type::iterator
      IteratorType;
      IteratorType it = m_Container.get< TraceID >().find(oTraceId);

      vtkProperty *temp_property = vtkProperty::New();

      assert ( it != m_Container.get< TraceID >().end() );

      if ( it->Highlighted )
        {
        temp_property->SetColor(it->rgba[0],
                                it->rgba[1],
                                it->rgba[2]);
        temp_property->SetOpacity(it->rgba[3]);
        temp_property->SetLineWidth( this->m_IntersectionLineWidth );
        }
      else
        {
        temp_property->DeepCopy(this->m_HighlightedProperty);
        }

      it->SetActorProperties( temp_property );

      temp_property->Delete();

      // Note: it->Highlighted is the status before picking the actor
      bool checked = false;
      if ( !it->Highlighted )
        {
        oState = Qt::Checked;
        checked = true;
        }
      else
        {
        oState = Qt::Unchecked;
        }

      m_Container.get< TraceID >().
          modify( it , change_highlighted<MultiIndexContainerElementType>(checked) );

      assert( m_ImageView );

      m_ImageView->UpdateRenderWindows();
    }

  void UpdateElementVisibilityWithTraceID(
      const unsigned int& oTraceId,
      const bool& iState)
    {
    using boost::multi_index::get;

    typedef typename MultiIndexContainerType::template index< TraceID >::type::iterator
    IteratorType;
    IteratorType it = m_Container.get< TraceID >().find(oTraceId);

    assert ( it != m_Container.get< TraceID >().end() );

    if ( it->Visible != iState )
      {
      it->SetActorVisibility( iState );
      m_Container.get< TraceID >().
          modify( it , change_visible<MultiIndexContainerElementType>(iState) );
      }
    }
};

#include "TraceContainerBase.txx"

#endif // __TraceContainerBase_h