annotate data/model/SparseOneDimensionalModel.h @ 424:eafef13bb0b3

* Add more data-editor support to various models
author Chris Cannam
date Thu, 12 Jun 2008 14:33:45 +0000
parents 6a96bff0bd59
children f5e8f12d2e58
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@147 43 .arg(indent).arg(frame).arg(label).arg(extraAttributes);
Chris@147 44 }
Chris@147 45
Chris@147 46 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 47 {
Chris@147 48 QStringList list;
Chris@147 49 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@318 50 if (label != "") list << label;
Chris@147 51 return list.join(delimiter);
Chris@147 52 }
Chris@147 53
Chris@147 54 struct Comparator {
Chris@147 55 bool operator()(const OneDimensionalPoint &p1,
Chris@147 56 const OneDimensionalPoint &p2) const {
Chris@147 57 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 58 return p1.label < p2.label;
Chris@147 59 }
Chris@147 60 };
Chris@147 61
Chris@147 62 struct OrderComparator {
Chris@147 63 bool operator()(const OneDimensionalPoint &p1,
Chris@147 64 const OneDimensionalPoint &p2) const {
Chris@147 65 return p1.frame < p2.frame;
Chris@147 66 }
Chris@147 67 };
Chris@147 68 };
Chris@147 69
Chris@147 70
Chris@147 71 class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>
Chris@147 72 {
Chris@423 73 Q_OBJECT
Chris@423 74
Chris@147 75 public:
Chris@147 76 SparseOneDimensionalModel(size_t sampleRate, size_t resolution,
Chris@147 77 bool notifyOnAdd = true) :
Chris@147 78 SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147 79 {
Chris@391 80 PlayParameterRepository::getInstance()->addPlayable(this);
Chris@391 81 }
Chris@391 82
Chris@391 83 virtual ~SparseOneDimensionalModel()
Chris@391 84 {
Chris@391 85 PlayParameterRepository::getInstance()->removePlayable(this);
Chris@391 86 }
Chris@391 87
Chris@391 88 virtual bool canPlay() const { return true; }
Chris@391 89
Chris@391 90 virtual QString getDefaultPlayPluginId() const
Chris@391 91 {
Chris@391 92 return "dssi:_builtin:sample_player";
Chris@391 93 }
Chris@391 94
Chris@391 95 virtual QString getDefaultPlayPluginConfiguration() const
Chris@391 96 {
Chris@391 97 return "<plugin program=\"tap\"/>";
Chris@147 98 }
Chris@147 99
Chris@420 100 int getIndexOf(const Point &point)
Chris@420 101 {
Chris@147 102 // slow
Chris@147 103 int i = 0;
Chris@147 104 Point::Comparator comparator;
Chris@147 105 for (PointList::const_iterator j = m_points.begin();
Chris@147 106 j != m_points.end(); ++j, ++i) {
Chris@147 107 if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147 108 }
Chris@147 109 return -1;
Chris@147 110 }
Chris@345 111
Chris@345 112 QString getTypeName() const { return tr("Sparse 1-D"); }
Chris@420 113
Chris@420 114 /**
Chris@420 115 * TabularModel methods.
Chris@420 116 */
Chris@420 117
Chris@420 118 virtual int getColumnCount() const
Chris@420 119 {
Chris@420 120 return 3;
Chris@420 121 }
Chris@420 122
Chris@420 123 virtual QString getHeading(int column) const
Chris@420 124 {
Chris@420 125 switch (column) {
Chris@420 126 case 0: return tr("Time");
Chris@420 127 case 1: return tr("Frame");
Chris@420 128 case 2: return tr("Label");
Chris@420 129 default: return tr("Unknown");
Chris@420 130 }
Chris@420 131 }
Chris@420 132
Chris@420 133 virtual QVariant getData(int row, int column, int role) const
Chris@420 134 {
Chris@420 135 PointListIterator i = getPointListIteratorForRow(row);
Chris@420 136 if (i == m_points.end()) return QVariant();
Chris@420 137
Chris@420 138 switch (column) {
Chris@420 139 case 0: {
Chris@422 140 if (role == SortRole) return int(i->frame);
Chris@420 141 RealTime rt = RealTime::frame2RealTime(i->frame, getSampleRate());
Chris@420 142 return QVariant(rt.toText().c_str());
Chris@420 143 }
Chris@422 144 case 1: return int(i->frame);
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@424 152 if (role != Qt::EditRole) return false;
Chris@424 153 PointListIterator i = getPointListIteratorForRow(row);
Chris@424 154 if (i == m_points.end()) return false;
Chris@424 155 EditCommand *command = new EditCommand(this, tr("Edit Data"));
Chris@424 156
Chris@424 157 Point point(*i);
Chris@424 158 command->deletePoint(point);
Chris@424 159
Chris@424 160 switch (column) {
Chris@424 161 case 0: case 1: point.frame = value.toInt(); break;
Chris@424 162 case 2: point.label = value.toString(); break;
Chris@424 163 }
Chris@424 164
Chris@424 165 command->addPoint(point);
Chris@424 166 return command->finish();
Chris@424 167 }
Chris@424 168
Chris@420 169 virtual bool isColumnTimeValue(int column) const
Chris@420 170 {
Chris@420 171 return (column < 2);
Chris@420 172 }
Chris@422 173
Chris@422 174 virtual SortType getSortType(int column) const
Chris@422 175 {
Chris@422 176 if (column == 2) return SortAlphabetical;
Chris@422 177 return SortNumeric;
Chris@422 178 }
Chris@147 179 };
Chris@147 180
Chris@147 181 #endif
Chris@147 182
Chris@147 183
Chris@147 184