Mercurial > hg > svcore
diff data/model/FlexiNoteModel.h @ 773:2079abf4f0c1 tonioni
make a new FlexiNoteModel.h file by copying from NoteModel.h -- will need to change names therein
author | matthiasm |
---|---|
date | Tue, 26 Mar 2013 14:16:54 +0000 |
parents | data/model/NoteModel.h@e22b6e89a7f7 |
children | d3df9f50b188 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data/model/FlexiNoteModel.h Tue Mar 26 14:16:54 2013 +0000 @@ -0,0 +1,226 @@ +/* -*- 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 _NOTE_MODEL_H_ +#define _NOTE_MODEL_H_ + +#include "IntervalModel.h" +#include "base/RealTime.h" +#include "base/PlayParameterRepository.h" + +/** + * NoteModel -- a concrete IntervalModel for notes. + */ + +/** + * Note type for use in a sparse model. All we mean by a "note" is + * something that has an onset time, a single value, a duration, and a + * level. Like other points, it can also have a label. With this + * point type, the model can be thought of as representing a simple + * MIDI-type piano roll, except that the y coordinates (values) do not + * have to be discrete integers. + */ + +struct Note +{ +public: + Note(long _frame) : frame(_frame), value(0.0f), duration(0), level(1.f) { } + Note(long _frame, float _value, size_t _duration, float _level, QString _label) : + frame(_frame), value(_value), duration(_duration), level(_level), label(_label) { } + + int getDimensions() const { return 3; } + + long frame; + float value; + size_t duration; + float level; + QString label; + + QString getLabel() const { return label; } + + void toXml(QTextStream &stream, + QString indent = "", + QString extraAttributes = "") const + { + stream << + QString("%1<point frame=\"%2\" value=\"%3\" duration=\"%4\" level=\"%5\" label=\"%6\" %7/>\n") + .arg(indent).arg(frame).arg(value).arg(duration).arg(level) + .arg(XmlExportable::encodeEntities(label)).arg(extraAttributes); + } + + QString toDelimitedDataString(QString delimiter, size_t sampleRate) const + { + QStringList list; + list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str(); + list << QString("%1").arg(value); + list << RealTime::frame2RealTime(duration, sampleRate).toString().c_str(); + list << QString("%1").arg(level); + if (label != "") list << label; + return list.join(delimiter); + } + + struct Comparator { + bool operator()(const Note &p1, + const Note &p2) const { + if (p1.frame != p2.frame) return p1.frame < p2.frame; + if (p1.value != p2.value) return p1.value < p2.value; + if (p1.duration != p2.duration) return p1.duration < p2.duration; + if (p1.level != p2.level) return p1.level < p2.level; + return p1.label < p2.label; + } + }; + + struct OrderComparator { + bool operator()(const Note &p1, + const Note &p2) const { + return p1.frame < p2.frame; + } + }; +}; + + +class NoteModel : public IntervalModel<Note> +{ + Q_OBJECT + +public: + NoteModel(size_t sampleRate, size_t resolution, + bool notifyOnAdd = true) : + IntervalModel<Note>(sampleRate, resolution, notifyOnAdd), + m_valueQuantization(0) + { + PlayParameterRepository::getInstance()->addPlayable(this); + } + + NoteModel(size_t sampleRate, size_t resolution, + float valueMinimum, float valueMaximum, + bool notifyOnAdd = true) : + IntervalModel<Note>(sampleRate, resolution, + valueMinimum, valueMaximum, + notifyOnAdd), + m_valueQuantization(0) + { + PlayParameterRepository::getInstance()->addPlayable(this); + } + + virtual ~NoteModel() + { + PlayParameterRepository::getInstance()->removePlayable(this); + } + + float getValueQuantization() const { return m_valueQuantization; } + void setValueQuantization(float q) { m_valueQuantization = q; } + + QString getTypeName() const { return tr("Note"); } + + virtual bool canPlay() const { return true; } + + virtual QString getDefaultPlayPluginId() const + { + return "dssi:_builtin:sample_player"; + } + + virtual QString getDefaultPlayPluginConfiguration() const + { + return "<plugin program=\"piano\"/>"; + } + + virtual void toXml(QTextStream &out, + QString indent = "", + QString extraAttributes = "") const + { + std::cerr << "NoteModel::toXml: extraAttributes = \"" + << extraAttributes.toStdString() << std::endl; + + IntervalModel<Note>::toXml + (out, + indent, + QString("%1 subtype=\"note\" valueQuantization=\"%2\"") + .arg(extraAttributes).arg(m_valueQuantization)); + } + + /** + * TabularModel methods. + */ + + virtual int getColumnCount() const + { + return 6; + } + + virtual QString getHeading(int column) const + { + switch (column) { + case 0: return tr("Time"); + case 1: return tr("Frame"); + case 2: return tr("Pitch"); + case 3: return tr("Duration"); + case 4: return tr("Level"); + case 5: return tr("Label"); + default: return tr("Unknown"); + } + } + + virtual QVariant getData(int row, int column, int role) const + { + if (column < 4) { + return IntervalModel<Note>::getData(row, column, role); + } + + PointListConstIterator i = getPointListIteratorForRow(row); + if (i == m_points.end()) return QVariant(); + + switch (column) { + case 4: return i->level; + case 5: return i->label; + default: return QVariant(); + } + } + + virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role) + { + if (column < 4) { + return IntervalModel<Note>::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 4: point.level = value.toDouble(); break; + case 5: point.label = value.toString(); break; + } + + command->addPoint(point); + return command->finish(); + } + + virtual SortType getSortType(int column) const + { + if (column == 5) return SortAlphabetical; + return SortNumeric; + } + +protected: + float m_valueQuantization; +}; + +#endif