VP1Serialise.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
 
//                                                            //
//  Header file for class VP1Serialise                        //
//                                                            //
//  Description: Helper class for serialisation.              //
//                                                            //
//  Author: Thomas H. Kittelmann (Thomas.Kittelmann@cern.ch)  //
//  Initial version: June 2008                                //
//                                                            //
 
#ifndef VP1PERSISTIFY_H
#define VP1PERSISTIFY_H
 
#include "VP1Base/VP1HelperClassBase.h"
#include "VP1Base/VP1Msg.h"
#include <typeinfo>
#include <QDataStream>
class VP1EtaPhiCutWidget;
class VP1DrawOptionsWidget;
class PhiSectionWidget;
class VP1MaterialButton;
class VP1ColorSelectButton;
class VP1CollectionWidget;
//class JetCollectionSettingsButton;
class VP1CollectionSettingsButtonBase;
class SoMaterial;
class QCheckBox;
class QGroupBox;
class QComboBox;
class QLineEdit;
class QDoubleSpinBox;
class QSpinBox;
class QSlider;
class QToolBox;
class QRadioButton;
class QWidget;
class QObject;
 
class VP1Serialise : public VP1HelperClassBase {
public:
 
  VP1Serialise(qint32 version, IVP1System * sys = 0);//sys!=0 for messages in gui
  virtual ~VP1Serialise();
 
  const QByteArray& result();
  qint32 version() const;
 
  void ignoreWidget(const QWidget*);//Ignores widget and all children.
  void widgetHandled(const QWidget*);//Indicates that the widget should be considered as handled.
  void warnUnsaved(const QObject*);//Any (stateful) widget children whose state was not saved result in a warning!
  void disableUnsavedChecks();//In the rare case where you really do not want to call the previous method, disable warnings by calling this.
 
  //Fixme: pointers->const ??
 
  //Bools:
  void save(bool);
  void save(QCheckBox*);
  void save(QGroupBox*);//Checkable groupboxes only
 
  //Strings:
  void save(const QString&);
  void save(QComboBox*);
  void save(QLineEdit*);
  void saveByTitle(QToolBox*);//Better if number of pages is not constant.
 
  //Doubles:
  void save(const double&);
  void save(QDoubleSpinBox*, const double& unit = 1.0 );
 
  //Ints:
  void save(qint32);
  void save(QSpinBox*);
  void save(QSlider*);
  void save(QToolBox*);
  //fixme tabwidget
  void save( QRadioButton * rb0,//Add all radio buttons in a given group here.
         QRadioButton * rb1,//We save an integer indicating which is checked.
         QRadioButton * rb2 = 0,//Any NULL values will be taken to indicate "unchecked".
         QRadioButton * rb3 = 0,
         QRadioButton * rb4 = 0,
         QRadioButton * rb5 = 0,
         QRadioButton * rb6 = 0,
         QRadioButton * rb7 = 0,
         QRadioButton * rb8 = 0,
         QRadioButton * rb9 = 0 );
 
  //ByteArrays:
  void save(const QByteArray&);
  void save(const VP1MaterialButton*);//Persistifies values of first handled material (saves empty byte array if none handled)
  void save(SoMaterial*);
  void save(const VP1CollectionWidget*);
//  void save(const JetCollectionSettingsButton* jcb);
  void save(const VP1CollectionSettingsButtonBase* jcb);
  void save(const VP1EtaPhiCutWidget*);
  void save(const VP1DrawOptionsWidget*);
  void save(const PhiSectionWidget*);//Used to be QPair<int,QList<int> >
 
  //QColor's:
  void save(const QColor&);
  void save(VP1ColorSelectButton*);
 
  //Custom (with datastream):
  template <class T>
  void save(const T& t);
  template <class T>
  void save( T* t);//To keep previous template from swallowing const pointers constness.
 
  static unsigned numberOfInstantiations();//Number of times the constructor was invoked.
  static void decrementNumberOfInstantiations();//Only ever call this from code in VP1Base!!
private:
 
  class Imp;
  Imp * m_d;
  QDataStream * stream();
 
};
 
//  INLINES  //
 
template <class T>
void VP1Serialise::save(const T& t) {//Fallback template method
  if (VP1Msg::verbose())
    messageVerbose("Saving "+QString(typeid(T).name())+" via datastream operator");
  *(stream()) << t;
}
 
template <class T>
void VP1Serialise::save( T* t)
{
  save((const T*)t);
}
 
#endif