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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef _SPARSE_ONE_DIMENSIONAL_MODEL_H_
#define _SPARSE_ONE_DIMENSIONAL_MODEL_H_
#include "SparseModel.h"
#include "NoteData.h"
#include "base/PlayParameterRepository.h"
#include "base/RealTime.h"
#include <QStringList>
struct OneDimensionalPoint
{
public:
OneDimensionalPoint(sv_frame_t _frame) : frame(_frame) { }
OneDimensionalPoint(sv_frame_t _frame, QString _label) : frame(_frame), label(_label) { }
int getDimensions() const { return 1; }
sv_frame_t frame;
QString label;
QString getLabel() const { return label; }
void toXml(QTextStream &stream,
QString indent = "",
QString extraAttributes = "") const
{
stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
.arg(indent).arg(frame).arg(XmlExportable::encodeEntities(label))
.arg(extraAttributes);
}
QString toDelimitedDataString(QString delimiter, DataExportOptions, sv_samplerate_t sampleRate) const
{
QStringList list;
list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
if (label != "") list << label;
return list.join(delimiter);
}
struct Comparator {
bool operator()(const OneDimensionalPoint &p1,
const OneDimensionalPoint &p2) const {
if (p1.frame != p2.frame) return p1.frame < p2.frame;
return p1.label < p2.label;
}
};
struct OrderComparator {
bool operator()(const OneDimensionalPoint &p1,
const OneDimensionalPoint &p2) const {
return p1.frame < p2.frame;
}
};
};
class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>,
public NoteExportable
{
Q_OBJECT
public:
SparseOneDimensionalModel(sv_samplerate_t sampleRate, int resolution,
bool notifyOnAdd = true) :
SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
{
PlayParameterRepository::getInstance()->addPlayable(this);
}
virtual ~SparseOneDimensionalModel()
{
PlayParameterRepository::getInstance()->removePlayable(this);
}
virtual bool canPlay() const { return true; }
virtual QString getDefaultPlayClipId() const
{
return "tap";
}
int getIndexOf(const Point &point)
{
// slow
int i = 0;
Point::Comparator comparator;
for (PointList::const_iterator j = m_points.begin();
j != m_points.end(); ++j, ++i) {
if (!comparator(*j, point) && !comparator(point, *j)) return i;
}
return -1;
}
QString getTypeName() const { return tr("Sparse 1-D"); }
/**
* TabularModel methods.
*/
virtual int getColumnCount() const
{
return 3;
}
virtual QString getHeading(int column) const
{
switch (column) {
case 0: return tr("Time");
case 1: return tr("Frame");
case 2: return tr("Label");
default: return tr("Unknown");
}
}
virtual QVariant getData(int row, int column, int role) const
{
if (column < 2) {
return SparseModel<OneDimensionalPoint>::getData
(row, column, role);
}
PointListConstIterator i = getPointListIteratorForRow(row);
if (i == m_points.end()) return QVariant();
switch (column) {
case 2: return i->label;
default: return QVariant();
}
}
virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role)
{
if (column < 2) {
return SparseModel<OneDimensionalPoint>::getSetDataCommand
(row, column, value, role);
}
if (role != Qt::EditRole) return 0;
PointListConstIterator i = getPointListIteratorForRow(row);
if (i == m_points.end()) return 0;
EditCommand *command = new EditCommand(this, tr("Edit Data"));
Point point(*i);
command->deletePoint(point);
switch (column) {
case 2: point.label = value.toString(); break;
}
command->addPoint(point);
return command->finish();
}
virtual bool isColumnTimeValue(int column) const
{
return (column < 2);
}
virtual SortType getSortType(int column) const
{
if (column == 2) return SortAlphabetical;
return SortNumeric;
}
/**
* NoteExportable methods.
*/
NoteList getNotes() const {
return getNotesWithin(getStartFrame(), getEndFrame());
}
NoteList getNotesWithin(sv_frame_t startFrame, sv_frame_t endFrame) const {
PointList points = getPoints(startFrame, endFrame);
NoteList notes;
for (PointList::iterator pli =
points.begin(); pli != points.end(); ++pli) {
notes.push_back
(NoteData(pli->frame,
sv_frame_t(getSampleRate() / 6), // arbitrary short duration
64, // default pitch
100)); // default velocity
}
return notes;
}
};
#endif
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