annotate data/model/SparseOneDimensionalModel.h @ 717:bcdb2a18d9bc library_integration

Revert that change -- this code is used only in Sonic Annotator
author Chris Cannam
date Tue, 18 Oct 2011 10:14:17 +0100
parents 1415e35881f6
children e22b6e89a7f7
rev   line source
Chris@147 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@147 2
Chris@147 3 /*
Chris@147 4 Sonic Visualiser
Chris@147 5 An audio file viewer and annotation editor.
Chris@147 6 Centre for Digital Music, Queen Mary, University of London.
Chris@147 7 This file copyright 2006 Chris Cannam.
Chris@147 8
Chris@147 9 This program is free software; you can redistribute it and/or
Chris@147 10 modify it under the terms of the GNU General Public License as
Chris@147 11 published by the Free Software Foundation; either version 2 of the
Chris@147 12 License, or (at your option) any later version. See the file
Chris@147 13 COPYING included with this distribution for more information.
Chris@147 14 */
Chris@147 15
Chris@147 16 #ifndef _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147 17 #define _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147 18
Chris@147 19 #include "SparseModel.h"
Chris@150 20 #include "base/PlayParameterRepository.h"
Chris@147 21 #include "base/RealTime.h"
Chris@147 22
Chris@387 23 #include <QStringList>
Chris@387 24
Chris@147 25 struct OneDimensionalPoint
Chris@147 26 {
Chris@147 27 public:
Chris@147 28 OneDimensionalPoint(long _frame) : frame(_frame) { }
Chris@147 29 OneDimensionalPoint(long _frame, QString _label) : frame(_frame), label(_label) { }
Chris@147 30
Chris@147 31 int getDimensions() const { return 1; }
Chris@147 32
Chris@147 33 long frame;
Chris@147 34 QString label;
Chris@338 35
Chris@338 36 QString getLabel() const { return label; }
Chris@338 37
Chris@314 38 void toXml(QTextStream &stream,
Chris@314 39 QString indent = "",
Chris@314 40 QString extraAttributes = "") const
Chris@147 41 {
Chris@314 42 stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
Chris@603 43 .arg(indent).arg(frame).arg(XmlExportable::encodeEntities(label))
Chris@603 44 .arg(extraAttributes);
Chris@147 45 }
Chris@147 46
Chris@147 47 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 48 {
Chris@147 49 QStringList list;
Chris@147 50 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@318 51 if (label != "") list << label;
Chris@147 52 return list.join(delimiter);
Chris@147 53 }
Chris@147 54
Chris@147 55 struct Comparator {
Chris@147 56 bool operator()(const OneDimensionalPoint &p1,
Chris@147 57 const OneDimensionalPoint &p2) const {
Chris@147 58 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 59 return p1.label < p2.label;
Chris@147 60 }
Chris@147 61 };
Chris@147 62
Chris@147 63 struct OrderComparator {
Chris@147 64 bool operator()(const OneDimensionalPoint &p1,
Chris@147 65 const OneDimensionalPoint &p2) const {
Chris@147 66 return p1.frame < p2.frame;
Chris@147 67 }
Chris@147 68 };
Chris@147 69 };
Chris@147 70
Chris@147 71
Chris@147 72 class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
Chris@147 73 {
Chris@423 74 Q_OBJECT
Chris@423 75
Chris@147 76 public:
Chris@147 77 SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
Chris@147 78 bool notifyOnAdd = true) :
Chris@147 79 SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147 80 {
Chris@391 81 PlayParameterRepository::getInstance()->addPlayable(this);
Chris@391 82 }
Chris@391 83
Chris@391 84 virtual ~SparseOneDimensionalModel()
Chris@391 85 {
Chris@391 86 PlayParameterRepository::getInstance()->removePlayable(this);
Chris@391 87 }
Chris@391 88
Chris@391 89 virtual bool canPlay() const { return true; }
Chris@391 90
Chris@391 91 virtual QString getDefaultPlayPluginId() const
Chris@391 92 {
Chris@391 93 return "dssi:_builtin:sample_player";
Chris@391 94 }
Chris@391 95
Chris@391 96 virtual QString getDefaultPlayPluginConfiguration() const
Chris@391 97 {
Chris@391 98 return "<plugin program=\"tap\"/>";
Chris@147 99 }
Chris@147 100
Chris@420 101 int getIndexOf(const Point &point)
Chris@420 102 {
Chris@147 103 // slow
Chris@147 104 int i = 0;
Chris@147 105 Point::Comparator comparator;
Chris@147 106 for (PointList::const_iterator j = m_points.begin();
Chris@147 107 j != m_points.end(); ++j, ++i) {
Chris@147 108 if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147 109 }
Chris@147 110 return -1;
Chris@147 111 }
Chris@345 112
Chris@345 113 QString getTypeName() const { return tr("Sparse 1-D"); }
Chris@420 114
Chris@420 115 /**
Chris@420 116 * TabularModel methods.
Chris@420 117 */
Chris@420 118
Chris@420 119 virtual int getColumnCount() const
Chris@420 120 {
Chris@420 121 return 3;
Chris@420 122 }
Chris@420 123
Chris@420 124 virtual QString getHeading(int column) const
Chris@420 125 {
Chris@420 126 switch (column) {
Chris@420 127 case 0: return tr("Time");
Chris@420 128 case 1: return tr("Frame");
Chris@420 129 case 2: return tr("Label");
Chris@420 130 default: return tr("Unknown");
Chris@420 131 }
Chris@420 132 }
Chris@420 133
Chris@420 134 virtual QVariant getData(int row, int column, int role) const
Chris@420 135 {
Chris@425 136 if (column < 2) {
Chris@425 137 return SparseModel<OneDimensionalPoint>::getData
Chris@425 138 (row, column, role);
Chris@425 139 }
Chris@425 140
Chris@606 141 PointListConstIterator i = getPointListIteratorForRow(row);
Chris@420 142 if (i == m_points.end()) return QVariant();
Chris@420 143
Chris@420 144 switch (column) {
Chris@422 145 case 2: return i->label;
Chris@420 146 default: return QVariant();
Chris@420 147 }
Chris@420 148 }
Chris@420 149
Chris@424 150 virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role)
Chris@424 151 {
Chris@425 152 if (column < 2) {
Chris@425 153 return SparseModel<OneDimensionalPoint>::getSetDataCommand
Chris@425 154 (row, column, value, role);
Chris@425 155 }
Chris@425 156
Chris@424 157 if (role != Qt::EditRole) return false;
Chris@606 158 PointListConstIterator i = getPointListIteratorForRow(row);
Chris@424 159 if (i == m_points.end()) return false;
Chris@424 160 EditCommand *command = new EditCommand(this, tr("Edit Data"));
Chris@424 161
Chris@424 162 Point point(*i);
Chris@424 163 command->deletePoint(point);
Chris@424 164
Chris@424 165 switch (column) {
Chris@424 166 case 2: point.label = value.toString(); break;
Chris@424 167 }
Chris@424 168
Chris@424 169 command->addPoint(point);
Chris@424 170 return command->finish();
Chris@424 171 }
Chris@424 172
Chris@427 173
Chris@420 174 virtual bool isColumnTimeValue(int column) const
Chris@420 175 {
Chris@420 176 return (column < 2);
Chris@420 177 }
Chris@422 178
Chris@422 179 virtual SortType getSortType(int column) const
Chris@422 180 {
Chris@422 181 if (column == 2) return SortAlphabetical;
Chris@422 182 return SortNumeric;
Chris@422 183 }
Chris@147 184 };
Chris@147 185
Chris@147 186 #endif
Chris@147 187
Chris@147 188
Chris@147 189