Chris@147: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@147:
Chris@147: /*
Chris@147: Sonic Visualiser
Chris@147: An audio file viewer and annotation editor.
Chris@147: Centre for Digital Music, Queen Mary, University of London.
Chris@147: This file copyright 2006 Chris Cannam.
Chris@147:
Chris@147: This program is free software; you can redistribute it and/or
Chris@147: modify it under the terms of the GNU General Public License as
Chris@147: published by the Free Software Foundation; either version 2 of the
Chris@147: License, or (at your option) any later version. See the file
Chris@147: COPYING included with this distribution for more information.
Chris@147: */
Chris@147:
Chris@147: #ifndef _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147: #define _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147:
Chris@147: #include "SparseModel.h"
Chris@150: #include "base/PlayParameterRepository.h"
Chris@147: #include "base/RealTime.h"
Chris@147:
Chris@387: #include <QStringList>
Chris@387:
Chris@147: struct OneDimensionalPoint
Chris@147: {
Chris@147: public:
Chris@147: OneDimensionalPoint(long _frame) : frame(_frame) { }
Chris@147: OneDimensionalPoint(long _frame, QString _label) : frame(_frame), label(_label) { }
Chris@147:
Chris@147: int getDimensions() const { return 1; }
Chris@147:
Chris@147: long frame;
Chris@147: QString label;
Chris@338:
Chris@338: QString getLabel() const { return label; }
Chris@338:
Chris@314: void toXml(QTextStream &stream,
Chris@314: QString indent = "",
Chris@314: QString extraAttributes = "") const
Chris@147: {
Chris@314: stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
Chris@603: .arg(indent).arg(frame).arg(XmlExportable::encodeEntities(label))
Chris@603: .arg(extraAttributes);
Chris@147: }
Chris@147:
Chris@147: QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147: {
Chris@147: QStringList list;
Chris@147: list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@318: if (label != "") list << label;
Chris@147: return list.join(delimiter);
Chris@147: }
Chris@147:
Chris@147: struct Comparator {
Chris@147: bool operator()(const OneDimensionalPoint &p1,
Chris@147: const OneDimensionalPoint &p2) const {
Chris@147: if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147: return p1.label < p2.label;
Chris@147: }
Chris@147: };
Chris@147:
Chris@147: struct OrderComparator {
Chris@147: bool operator()(const OneDimensionalPoint &p1,
Chris@147: const OneDimensionalPoint &p2) const {
Chris@147: return p1.frame < p2.frame;
Chris@147: }
Chris@147: };
Chris@147: };
Chris@147:
Chris@147:
Chris@147: class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
Chris@147: {
Chris@423: Q_OBJECT
Chris@423:
Chris@147: public:
Chris@147: SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
Chris@147: bool notifyOnAdd = true) :
Chris@147: SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147: {
Chris@391: PlayParameterRepository::getInstance()->addPlayable(this);
Chris@391: }
Chris@391:
Chris@391: virtual ~SparseOneDimensionalModel()
Chris@391: {
Chris@391: PlayParameterRepository::getInstance()->removePlayable(this);
Chris@391: }
Chris@391:
Chris@391: virtual bool canPlay() const { return true; }
Chris@391:
Chris@391: virtual QString getDefaultPlayPluginId() const
Chris@391: {
Chris@391: return "dssi:_builtin:sample_player";
Chris@391: }
Chris@391:
Chris@391: virtual QString getDefaultPlayPluginConfiguration() const
Chris@391: {
Chris@391: return "<plugin program=\"tap\"/>";
Chris@147: }
Chris@147:
Chris@420: int getIndexOf(const Point &point)
Chris@420: {
Chris@147: // slow
Chris@147: int i = 0;
Chris@147: Point::Comparator comparator;
Chris@147: for (PointList::const_iterator j = m_points.begin();
Chris@147: j != m_points.end(); ++j, ++i) {
Chris@147: if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147: }
Chris@147: return -1;
Chris@147: }
Chris@345:
Chris@345: QString getTypeName() const { return tr("Sparse 1-D"); }
Chris@420:
Chris@420: /**
Chris@420: * TabularModel methods.
Chris@420: */
Chris@420:
Chris@420: virtual int getColumnCount() const
Chris@420: {
Chris@420: return 3;
Chris@420: }
Chris@420:
Chris@420: virtual QString getHeading(int column) const
Chris@420: {
Chris@420: switch (column) {
Chris@420: case 0: return tr("Time");
Chris@420: case 1: return tr("Frame");
Chris@420: case 2: return tr("Label");
Chris@420: default: return tr("Unknown");
Chris@420: }
Chris@420: }
Chris@420:
Chris@420: virtual QVariant getData(int row, int column, int role) const
Chris@420: {
Chris@425: if (column < 2) {
Chris@425: return SparseModel<OneDimensionalPoint>::getData
Chris@425: (row, column, role);
Chris@425: }
Chris@425:
Chris@606: PointListConstIterator i = getPointListIteratorForRow(row);
Chris@420: if (i == m_points.end()) return QVariant();
Chris@420:
Chris@420: switch (column) {
Chris@422: case 2: return i->label;
Chris@420: default: return QVariant();
Chris@420: }
Chris@420: }
Chris@420:
Chris@424: virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role)
Chris@424: {
Chris@425: if (column < 2) {
Chris@425: return SparseModel<OneDimensionalPoint>::getSetDataCommand
Chris@425: (row, column, value, role);
Chris@425: }
Chris@425:
Chris@424: if (role != Qt::EditRole) return false;
Chris@606: PointListConstIterator i = getPointListIteratorForRow(row);
Chris@424: if (i == m_points.end()) return false;
Chris@424: EditCommand *command = new EditCommand(this, tr("Edit Data"));
Chris@424:
Chris@424: Point point(*i);
Chris@424: command->deletePoint(point);
Chris@424:
Chris@424: switch (column) {
Chris@424: case 2: point.label = value.toString(); break;
Chris@424: }
Chris@424:
Chris@424: command->addPoint(point);
Chris@424: return command->finish();
Chris@424: }
Chris@424:
Chris@427:
Chris@420: virtual bool isColumnTimeValue(int column) const
Chris@420: {
Chris@420: return (column < 2);
Chris@420: }
Chris@422:
Chris@422: virtual SortType getSortType(int column) const
Chris@422: {
Chris@422: if (column == 2) return SortAlphabetical;
Chris@422: return SortNumeric;
Chris@422: }
Chris@147: };
Chris@147:
Chris@147: #endif
Chris@147:
Chris@147:
Chris@147: