lbajardsilogic@16: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@16: 
lbajardsilogic@16: /*
lbajardsilogic@16:     Sound Access
lbajardsilogic@16: 	EASAIER client application.
lbajardsilogic@16: 	Silogic 2007. Luc Barthélémy.
lbajardsilogic@16: 
lbajardsilogic@16:     This program is free software; you can redistribute it and/or
lbajardsilogic@16:     modify it under the terms of the GNU General Public License as
lbajardsilogic@16:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@16:     License, or (at your option) any later version.  See the file
lbajardsilogic@16:     COPYING included with this distribution for more information.
lbajardsilogic@16: */
lbajardsilogic@16: 
lbajardsilogic@16: #ifndef _INTERVAL_MODEL_H_
lbajardsilogic@16: #define _INTERVAL_MODEL_H_
lbajardsilogic@16:  
lbajardsilogic@16: #include <QMutex>
lbajardsilogic@16: 
lbajardsilogic@16: #include "Model.h"
lbajardsilogic@16: #include "base/RealTime.h"
lbajardsilogic@16: #include "base/Command.h"
lbajardsilogic@16: #include "base/CommandHistory.h"
lbajardsilogic@16: 
lbajardsilogic@16: /**
lbajardsilogic@16:  * TimeInterval SparseValueModel
lbajardsilogic@16:  */
lbajardsilogic@16: 
lbajardsilogic@16: class TimeInterval
lbajardsilogic@16: {
lbajardsilogic@16: public:
lbajardsilogic@16:     
lbajardsilogic@16: 	TimeInterval(long start = 0, long end = 0, float value = 0.0f);
lbajardsilogic@16: 	TimeInterval(long start, long end, const QString& label, float value = 0.0f);
lbajardsilogic@16: 	virtual ~TimeInterval();
lbajardsilogic@16:    
lbajardsilogic@16: 	QString toXmlString(QString indent = "", QString extraAttributes = "") const;
lbajardsilogic@16:     QString toDelimitedDataString(const QString& delimiter, size_t sampleRate) const;
lbajardsilogic@16: 
lbajardsilogic@16: 	long start() const {return m_start;}
lbajardsilogic@16: 	long end() const {return m_end;}
lbajardsilogic@16: 	float value() const {return m_value;}
lbajardsilogic@16: 	const QString& label() const { return m_label; }
lbajardsilogic@16: 
lbajardsilogic@16: 	void start(long start) { m_start = start;}
lbajardsilogic@16: 	void end(long end) { m_end = end;}
lbajardsilogic@16: 	void label(const QString& label) { m_label = label;}
lbajardsilogic@16: 	void value(float val) { m_value = val;}
lbajardsilogic@16: 
lbajardsilogic@16: private:
lbajardsilogic@16:     
lbajardsilogic@16: 	long	m_start;
lbajardsilogic@16:     long	m_end;
lbajardsilogic@16: 	float	m_value;
lbajardsilogic@16: 
lbajardsilogic@16: 	QString	m_label;
lbajardsilogic@16: };
lbajardsilogic@16: 
lbajardsilogic@16: typedef TimeInterval* TimeIntervalPtr;
lbajardsilogic@16: 
lbajardsilogic@16: typedef std::list<TimeIntervalPtr> IntervalList;
lbajardsilogic@16: typedef IntervalList::iterator IntervalListIterator;
lbajardsilogic@16: typedef IntervalList::const_iterator IntervalListConstIterator;
lbajardsilogic@16: 
lbajardsilogic@16: /**
lbajardsilogic@16:  * IntervalModel
lbajardsilogic@16:  */
lbajardsilogic@16: 
lbajardsilogic@16: class IntervalModel : public Model
lbajardsilogic@16: {
lbajardsilogic@16: public:
lbajardsilogic@16: 
lbajardsilogic@16:     IntervalModel(size_t sampleRate, size_t resolution,
lbajardsilogic@16: 	      bool notifyOnAdd = true);
lbajardsilogic@16: 	~IntervalModel();
lbajardsilogic@16: 
lbajardsilogic@16: 
lbajardsilogic@16:     virtual bool isOK() const { return true; }
lbajardsilogic@16:     virtual size_t getStartFrame() const;
lbajardsilogic@16:     virtual size_t getEndFrame() const;
lbajardsilogic@16: 
lbajardsilogic@16: 	virtual size_t getSampleRate() const { return m_sampleRate; }
lbajardsilogic@16:     virtual size_t getResolution() const { return m_resolution; }
lbajardsilogic@16: 
lbajardsilogic@16:     virtual Model *clone() const;
lbajardsilogic@16:   
lbajardsilogic@48: 	virtual void toXml(QTextStream &out,
lbajardsilogic@48:                        QString indent = "",
lbajardsilogic@48:                        QString extraAttributes = "") const;
lbajardsilogic@16: 	virtual QString toXmlString(QString indent = "", QString extraAttributes = "") const;
lbajardsilogic@16:     virtual QString toDelimitedDataString(QString) const;
lbajardsilogic@16: 
lbajardsilogic@16: 	virtual void addInterval(long start, long end, const QString& label, float value);
lbajardsilogic@16: 	virtual void addInterval(TimeIntervalPtr ti);
lbajardsilogic@16: 
lbajardsilogic@16: 	virtual void removeInterval(TimeIntervalPtr ti);
lbajardsilogic@16: 
lbajardsilogic@16: 	IntervalList& intervals() { return m_intervals; }
lbajardsilogic@16: 
lbajardsilogic@16: 	void changeInterval(TimeIntervalPtr ti, long start, long end, float value, const QString& label);
lbajardsilogic@16: 
lbajardsilogic@16:    /**
lbajardsilogic@16:      * Command to change an interval.
lbajardsilogic@16:      */
lbajardsilogic@16:     class IntervalCommand : public Command
lbajardsilogic@16:     {
lbajardsilogic@16: 	    public:
lbajardsilogic@16: 			
lbajardsilogic@16: 			enum Mode {
lbajardsilogic@16: 				Creation,
lbajardsilogic@16: 				Edition,
lbajardsilogic@16: 				Deletion,
lbajardsilogic@16: 			};
lbajardsilogic@16: 
lbajardsilogic@16: 			IntervalCommand(IntervalModel* model,
lbajardsilogic@16: 				   const TimeIntervalPtr& inter,
lbajardsilogic@16: 				   Mode mode,
lbajardsilogic@16: 				   long newStart,
lbajardsilogic@16: 				   long newEnd,
lbajardsilogic@16: 				   float newValue,
lbajardsilogic@16: 				   const QString& newLabel) :
lbajardsilogic@16: 			m_model(model), m_interval(inter), m_mode(mode)
lbajardsilogic@16: 			{
lbajardsilogic@16: 				m_oldLabel = inter->label();
lbajardsilogic@16: 				m_oldStart = inter->start();
lbajardsilogic@16: 				m_oldEnd   = inter->end();
lbajardsilogic@16: 				m_oldValue = inter->value();
lbajardsilogic@16: 				m_newLabel = newLabel;
lbajardsilogic@16: 				m_newStart = newStart;
lbajardsilogic@16: 				m_newEnd   = newEnd;
lbajardsilogic@16: 				m_newValue = newValue;
lbajardsilogic@16: 			}
lbajardsilogic@16: 
lbajardsilogic@16: 			virtual QString getName() const { return tr("Edit Interval"); }
lbajardsilogic@16: 
lbajardsilogic@16: 			virtual void execute() 
lbajardsilogic@16: 			{ 
lbajardsilogic@16: 				if (m_mode == Creation)
lbajardsilogic@16: 				{
lbajardsilogic@16: 					m_model->addInterval(m_interval);
lbajardsilogic@16: 				} else if (m_mode == Edition)
lbajardsilogic@16: 				{
lbajardsilogic@16: 					m_model->changeInterval(m_interval, m_newStart, m_newEnd, m_newValue, m_newLabel);
lbajardsilogic@16: 				} else if (m_mode == Deletion)
lbajardsilogic@16: 				{
lbajardsilogic@16: 					m_model->removeInterval(m_interval);
lbajardsilogic@16: 				}
lbajardsilogic@16: 			}
lbajardsilogic@16: 
lbajardsilogic@16: 			virtual void unexecute() 
lbajardsilogic@16: 			{ 
lbajardsilogic@16: 				if (m_mode == Creation)
lbajardsilogic@16: 				{
lbajardsilogic@16: 					m_model->removeInterval(m_interval);
lbajardsilogic@16: 				} else if (m_mode == Edition)
lbajardsilogic@16: 				{
lbajardsilogic@16: 					m_model->changeInterval(m_interval, m_oldStart, m_oldEnd, m_oldValue, m_oldLabel);
lbajardsilogic@16: 				} else if (m_mode == Deletion)
lbajardsilogic@16: 				{
lbajardsilogic@16: 					m_model->addInterval(m_interval);
lbajardsilogic@16: 				}
lbajardsilogic@16: 			}
lbajardsilogic@16: 
lbajardsilogic@16: 			void newStart(long start) 
lbajardsilogic@16: 			{ 
lbajardsilogic@16: 				if (m_newStart != start)
lbajardsilogic@16: 				{	
lbajardsilogic@16: 					m_newStart  = start; 
lbajardsilogic@16: 					m_model->changeInterval(m_interval, m_newStart, m_newEnd, m_newValue, m_newLabel);
lbajardsilogic@16: 				}
lbajardsilogic@16: 			}
lbajardsilogic@16: 
lbajardsilogic@16: 			void newEnd(long end)
lbajardsilogic@16: 			{
lbajardsilogic@16: 				if (m_newEnd != end)
lbajardsilogic@16: 				{	
lbajardsilogic@16: 					m_newEnd  = end; 
lbajardsilogic@16: 					m_model->changeInterval(m_interval, m_newStart, m_newEnd, m_newValue, m_newLabel);
lbajardsilogic@16: 				}
lbajardsilogic@16: 			}
lbajardsilogic@16: 
lbajardsilogic@16: 			void newLabel(QString label)
lbajardsilogic@16: 			{
lbajardsilogic@16: 				if (m_newLabel != label)
lbajardsilogic@16: 				{	
lbajardsilogic@16: 					m_newLabel  = label; 
lbajardsilogic@16: 					m_model->changeInterval(m_interval, m_newStart, m_newEnd, m_newValue, m_newLabel);
lbajardsilogic@16: 				}
lbajardsilogic@16: 			}
lbajardsilogic@16: 
lbajardsilogic@16: 	private:
lbajardsilogic@16: 
lbajardsilogic@16: 			Mode			m_mode;
lbajardsilogic@16: 
lbajardsilogic@16: 			IntervalModel*	m_model;
lbajardsilogic@16: 			TimeIntervalPtr	m_interval;
lbajardsilogic@16: 			QString			m_newLabel;
lbajardsilogic@16: 			QString			m_oldLabel;
lbajardsilogic@16: 			long			m_newStart;
lbajardsilogic@16: 			long			m_oldStart;
lbajardsilogic@16: 			long			m_newEnd;
lbajardsilogic@16: 			long			m_oldEnd;
lbajardsilogic@16: 			float			m_newValue;
lbajardsilogic@16: 			float			m_oldValue;
lbajardsilogic@16:     };
lbajardsilogic@16: 
lbajardsilogic@16: 
lbajardsilogic@16: private:
lbajardsilogic@16: 
lbajardsilogic@16: 	size_t	m_sampleRate;
lbajardsilogic@16: 	size_t	m_resolution;
lbajardsilogic@16: 	bool	m_notifyOnAdd;
lbajardsilogic@16: 
lbajardsilogic@16: 	IntervalList	m_intervals; 
lbajardsilogic@16: 	mutable QMutex	m_mutex;
lbajardsilogic@16: 
lbajardsilogic@16: };
lbajardsilogic@16: 
lbajardsilogic@16: #endif // _INTERVAL_MODEL_H_