Chris@407: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@407: 
Chris@407: /*
Chris@407:     Sonic Visualiser
Chris@407:     An audio file viewer and annotation editor.
Chris@407:     Centre for Digital Music, Queen Mary, University of London.
Chris@407:     This file copyright 2007 QMUL.
Chris@407:     
Chris@407:     This program is free software; you can redistribute it and/or
Chris@407:     modify it under the terms of the GNU General Public License as
Chris@407:     published by the Free Software Foundation; either version 2 of the
Chris@407:     License, or (at your option) any later version.  See the file
Chris@407:     COPYING included with this distribution for more information.
Chris@407: */
Chris@407: 
Chris@407: #ifndef _PATH_MODEL_H_
Chris@407: #define _PATH_MODEL_H_
Chris@407: 
Chris@407: #include "Model.h"
Chris@407: #include "SparseModel.h"
Chris@407: #include "base/RealTime.h"
Chris@407: 
Chris@407: #include <QStringList>
Chris@407: 
Chris@407: 
Chris@407: struct PathPoint
Chris@407: {
Chris@407:     PathPoint(long _frame) : frame(_frame), mapframe(_frame) { }
Chris@407:     PathPoint(long _frame, long _mapframe) :
Chris@407:         frame(_frame), mapframe(_mapframe) { }
Chris@407: 
Chris@407:     int getDimensions() const { return 2; }
Chris@407: 
Chris@407:     long frame;
Chris@407:     long mapframe;
Chris@407: 
Chris@407:     QString getLabel() const { return ""; }
Chris@407: 
Chris@407:     void toXml(QTextStream &stream, QString indent = "",
Chris@407:                QString extraAttributes = "") const {
Chris@407:         stream << QString("%1<point frame=\"%2\" mapframe=\"%3\" %4/>\n")
Chris@407:             .arg(indent).arg(frame).arg(mapframe).arg(extraAttributes);
Chris@407:     }
Chris@407:         
Chris@407:     QString toDelimitedDataString(QString delimiter,
Chris@407:                                   size_t sampleRate) const {
Chris@407:         QStringList list;
Chris@407:         list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@407:         list << QString("%1").arg(mapframe);
Chris@407:         return list.join(delimiter);
Chris@407:     }
Chris@407: 
Chris@407:     struct Comparator {
Chris@407:         bool operator()(const PathPoint &p1, const PathPoint &p2) const {
Chris@407:             if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@407:             return p1.mapframe < p2.mapframe;
Chris@407:         }
Chris@407:     };
Chris@407:     
Chris@407:     struct OrderComparator {
Chris@407:         bool operator()(const PathPoint &p1, const PathPoint &p2) const {
Chris@407:             return p1.frame < p2.frame;
Chris@407:         }
Chris@407:     };
Chris@407: };
Chris@407: 
Chris@407: class PathModel : public SparseModel<PathPoint>
Chris@407: {
Chris@407: public:
Chris@407:     PathModel(size_t sampleRate, size_t resolution, bool notify = true) :
Chris@407:         SparseModel<PathPoint>(sampleRate, resolution, notify) { }
Chris@407: 
Chris@407:     virtual void toXml(QTextStream &out,
Chris@407:                        QString indent = "",
Chris@407:                        QString extraAttributes = "") const
Chris@407:     {
Chris@407:         SparseModel<PathPoint>::toXml
Chris@407:             (out, 
Chris@407:              indent,
Chris@407:              QString("%1 subtype=\"path\"")
Chris@407:              .arg(extraAttributes));
Chris@407:     }
Chris@425: 
Chris@425:     /**
Chris@425:      * TabularModel is inherited via SparseModel, but we don't need it here.
Chris@425:      */
Chris@425:     virtual QString getHeading(int) const { return ""; }
Chris@425:     virtual bool isColumnTimeValue(int) const { return false; }
Chris@425:     virtual SortType getSortType(int) const { return SortNumeric; }
Chris@425: 
Chris@407: };
Chris@407: 
Chris@407: 
Chris@407: #endif