# HG changeset patch
# User Chris Cannam
# Date 1553696012 0
# Node ID b5580d93f28b7d6e43fcb0087b4384c4e42872ed
# Parent  82d03c9661f953c6e9b7173b1c7f7482b60391fe
Remove no-longer-used model base classes

diff -r 82d03c9661f9 -r b5580d93f28b data/model/IntervalModel.h
--- a/data/model/IntervalModel.h	Wed Mar 27 13:15:16 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,194 +0,0 @@
-/* -*- 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 2006-2008 Chris Cannam and QMUL.
-    
-    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 SV_INTERVAL_MODEL_H
-#define SV_INTERVAL_MODEL_H
-
-#include "SparseValueModel.h"
-#include "base/RealTime.h"
-
-/**
- * Model containing sparse data (points with some properties) of which
- * the properties include a duration and an arbitrary float value.
- * The other properties depend on the point type.
- */
-
-template <typename PointType>
-class IntervalModel : public SparseValueModel<PointType>
-{
-public:
-    IntervalModel(sv_samplerate_t sampleRate, int resolution,
-                  bool notifyOnAdd = true) :
-        SparseValueModel<PointType>(sampleRate, resolution, notifyOnAdd)
-    { }
-
-    IntervalModel(sv_samplerate_t sampleRate, int resolution,
-                  float valueMinimum, float valueMaximum,
-                  bool notifyOnAdd = true) :
-        SparseValueModel<PointType>(sampleRate, resolution,
-                                    valueMinimum, valueMaximum,
-                                    notifyOnAdd)
-    { }
-
-    /**
-     * PointTypes have a duration, so this returns all points that span any
-     * of the given range (as well as the usual additional few before
-     * and after).  Consequently this can be very slow (optimised data
-     * structures still to be done!).
-     */
-    typename SparseValueModel<PointType>::PointList getPoints(sv_frame_t start, sv_frame_t end) const override;
-
-    /**
-     * PointTypes have a duration, so this returns all points that span the
-     * given frame.  Consequently this can be very slow (optimised
-     * data structures still to be done!).
-     */
-    typename SparseValueModel<PointType>::PointList getPoints(sv_frame_t frame) const override;
-
-    const typename SparseModel<PointType>::PointList &getPoints() const override {
-        return SparseModel<PointType>::getPoints(); 
-    }
-
-    /**
-     * TabularModel methods.  
-     */
-
-    QVariant getData(int row, int column, int role) const override
-    {
-        if (column < 2) {
-            return SparseValueModel<PointType>::getData
-                (row, column, role);
-        }
-
-        typename SparseModel<PointType>::PointList::const_iterator i
-            = SparseModel<PointType>::getPointListIteratorForRow(row);
-        if (i == SparseModel<PointType>::m_points.end()) return QVariant();
-
-        switch (column) {
-        case 2:
-            if (role == Qt::EditRole || role == TabularModel::SortRole) return i->value;
-            else return QString("%1 %2").arg(i->value).arg
-                     (IntervalModel<PointType>::getScaleUnits());
-        case 3: return int(i->duration); //!!! could be better presented
-        default: return QVariant();
-        }
-    }
-
-    Command *getSetDataCommand(int row, int column, const QVariant &value, int role) override
-    {
-        typedef IntervalModel<PointType> I;
-
-        if (column < 2) {
-            return SparseValueModel<PointType>::getSetDataCommand
-                (row, column, value, role);
-        }
-
-        if (role != Qt::EditRole) return 0;
-        typename I::PointList::const_iterator i
-            = I::getPointListIteratorForRow(row);
-        if (i == I::m_points.end()) return 0;
-        typename I::EditCommand *command = new typename I::EditCommand
-            (this, I::tr("Edit Data"));
-
-        PointType point(*i);
-        command->deletePoint(point);
-
-        switch (column) {
-        // column cannot be 0 or 1, those cases were handled above
-        case 2: point.value = float(value.toDouble()); break;
-        case 3: point.duration = value.toInt(); break;
-        }
-
-        command->addPoint(point);
-        return command->finish();
-    }
-
-    bool isColumnTimeValue(int column) const override
-    {
-        // NB duration is not a "time value" -- that's for columns
-        // whose sort ordering is exactly that of the frame time
-        return (column < 2);
-    }
-};
-
-template <typename PointType>
-typename SparseValueModel<PointType>::PointList
-IntervalModel<PointType>::getPoints(sv_frame_t start, sv_frame_t end) const
-{
-    typedef IntervalModel<PointType> I;
-
-    if (start > end) return typename I::PointList();
-
-    QMutex &mutex(I::m_mutex);
-    QMutexLocker locker(&mutex);
-
-    PointType endPoint(end);
-    
-    typename I::PointListConstIterator endItr = I::m_points.upper_bound(endPoint);
-
-    if (endItr != I::m_points.end()) ++endItr;
-    if (endItr != I::m_points.end()) ++endItr;
-
-    typename I::PointList rv;
-
-    for (typename I::PointListConstIterator i = endItr; i != I::m_points.begin(); ) {
-        --i;
-        if (i->frame < start) {
-            if (i->frame + i->duration >= start) {
-                rv.insert(*i);
-            }
-        } else if (i->frame <= end) {
-            rv.insert(*i);
-        }
-    }
-
-    return rv;
-}
-
-template <typename PointType>
-typename SparseValueModel<PointType>::PointList
-IntervalModel<PointType>::getPoints(sv_frame_t frame) const
-{
-    typedef IntervalModel<PointType> I;
-
-    QMutex &mutex(I::m_mutex);
-    QMutexLocker locker(&mutex);
-
-    if (I::m_resolution == 0) return typename I::PointList();
-
-    sv_frame_t start = (frame / I::m_resolution) * I::m_resolution;
-    sv_frame_t end = start + I::m_resolution;
-
-    PointType endPoint(end);
-    
-    typename I::PointListConstIterator endItr = I::m_points.upper_bound(endPoint);
-
-    typename I::PointList rv;
-
-    for (typename I::PointListConstIterator i = endItr; i != I::m_points.begin(); ) {
-        --i;
-        if (i->frame < start) {
-            if (i->frame + i->duration >= start) {
-                rv.insert(*i);
-            }
-        } else if (i->frame <= end) {
-            rv.insert(*i);
-        }
-    }
-
-    return rv;
-}
-
-#endif
diff -r 82d03c9661f9 -r b5580d93f28b data/model/SparseModel.h
--- a/data/model/SparseModel.h	Wed Mar 27 13:15:16 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1001 +0,0 @@
-/* -*- 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 SV_SPARSE_MODEL_H
-#define SV_SPARSE_MODEL_H
-
-#include "Model.h"
-#include "TabularModel.h"
-#include "base/Command.h"
-#include "base/RealTime.h"
-#include "system/System.h"
-
-#include <iostream>
-
-#include <set>
-#include <vector>
-#include <algorithm>
-#include <iterator>
-
-#include <cmath>
-
-#include <QMutex>
-#include <QTextStream>
-
-/**
- * Model containing sparse data (points with some properties).  The
- * properties depend on the point type.
- */
-template <typename PointType>
-class SparseModel : public Model,
-                    public TabularModel
-{
-    // If we omit the Q_OBJECT macro, lupdate complains.
-
-    // If we include it, moc fails (can't handle template classes).
-
-    // If we omit it, lupdate still seems to emit translatable
-    // messages for the tr() strings in here. So I guess we omit it.
-    
-public:
-    SparseModel(sv_samplerate_t sampleRate, int resolution,
-                bool notifyOnAdd = true);
-    virtual ~SparseModel() { }
-    
-    bool isOK() const override { return true; }
-    sv_frame_t getStartFrame() const override;
-    sv_frame_t getEndFrame() const override;
-    sv_samplerate_t getSampleRate() const override { return m_sampleRate; }
-
-    // Number of frames of the underlying sample rate that this model
-    // is capable of resolving to.  For example, if m_resolution == 10
-    // then every point in this model will be at a multiple of 10
-    // sample frames and should be considered to cover a window ending
-    // 10 sample frames later.
-    virtual int getResolution() const {
-        return m_resolution ? m_resolution : 1;
-    }
-    virtual void setResolution(int resolution);
-
-    // Extend the end of the model. If this is set to something beyond
-    // the end of the final point in the model, then getEndFrame()
-    // will return this value. Otherwise getEndFrame() will return the
-    // end of the final point. (This is used by the Tony application)
-    virtual void extendEndFrame(sv_frame_t to) { m_extendTo = to; }
-
-    typedef PointType Point;
-    typedef std::multiset<PointType,
-                          typename PointType::OrderComparator> PointList;
-    typedef typename PointList::iterator PointListIterator;
-    typedef typename PointList::const_iterator PointListConstIterator;
-
-    /**
-     * Return whether the model is empty or not.
-     */
-    virtual bool isEmpty() const;
-
-    /**
-     * Get the total number of points in the model.
-     */
-    virtual int getPointCount() const;
-
-    /**
-     * Get all points.
-     */
-    virtual const PointList &getPoints() const;
-
-    /**
-     * Get all of the points in this model between the given
-     * boundaries (in frames), as well as up to two points before and
-     * after the boundaries.  If you need exact boundaries, check the
-     * point coordinates in the returned list.
-     */
-    virtual PointList getPoints(sv_frame_t start, sv_frame_t end) const;
-
-    /**
-     * Get all points that cover the given frame number, taking the
-     * resolution of the model into account.
-     */
-    virtual PointList getPoints(sv_frame_t frame) const;
-
-    /**
-     * Return all points that share the nearest frame number prior to
-     * the given one at which there are any points.
-     */
-    virtual PointList getPreviousPoints(sv_frame_t frame) const;
-
-    /**
-     * Return all points that share the nearest frame number
-     * subsequent to the given one at which there are any points.
-     */
-    virtual PointList getNextPoints(sv_frame_t frame) const;
-
-    /**
-     * Remove all points.
-     */
-    virtual void clear();
-
-    /**
-     * Add a point.
-     */
-    virtual void addPoint(const PointType &point);
-
-    /** 
-     * Remove a point.  Points are not necessarily unique, so this
-     * function will remove the first point that compares equal to the
-     * supplied one using Point::Comparator.  Other identical points
-     * may remain in the model.
-     */
-    virtual void deletePoint(const PointType &point);
-
-    /**
-     * Return true if the given point is found in this model, false
-     * otherwise.
-     */
-    virtual bool containsPoint(const PointType &point);
-    
-    bool isReady(int *completion = 0) const override {
-        bool ready = isOK() && (m_completion == 100);
-        if (completion) *completion = m_completion;
-        return ready;
-    }
-
-    virtual void setCompletion(int completion, bool update = true);
-    virtual int getCompletion() const { return m_completion; }
-
-    virtual bool hasTextLabels() const { return m_hasTextLabels; }
-
-    bool isSparse() const override { return true; }
-
-    QString getTypeName() const override { return tr("Sparse"); }
-
-    virtual QString getXmlOutputType() const { return "sparse"; }
-
-    void toXml(QTextStream &out,
-               QString indent = "",
-               QString extraAttributes = "") const override;
-
-    QString toDelimitedDataString(QString delimiter) const override {
-        return toDelimitedDataStringWithOptions
-            (delimiter, DataExportDefaults);
-    }
-
-    QString toDelimitedDataStringWithOptions(QString delimiter,
-                                                     DataExportOptions opts) const override {
-        return toDelimitedDataStringSubsetWithOptions
-            (delimiter, opts,
-             std::min(getStartFrame(), sv_frame_t(0)), getEndFrame());
-    }
-
-    QString toDelimitedDataStringSubset(QString delimiter, sv_frame_t f0, sv_frame_t f1) const override {
-        return toDelimitedDataStringSubsetWithOptions
-            (delimiter, DataExportDefaults, f0, f1);
-    }
-
-    QString toDelimitedDataStringSubsetWithOptions(QString delimiter, DataExportOptions opts, sv_frame_t f0, sv_frame_t f1) const override {
-        if (opts & DataExportFillGaps) {
-            return toDelimitedDataStringSubsetFilled(delimiter, opts, f0, f1);
-        } else {
-            QString s;
-            for (PointListConstIterator i = m_points.begin(); i != m_points.end(); ++i) {
-                if (i->frame >= f0 && i->frame < f1) {
-                    s += i->toDelimitedDataString(delimiter, opts, m_sampleRate) + "\n";
-                }
-            }
-            return s;
-        }
-    }
-
-    /**
-     * Command to add a point, with undo.
-     */
-    class AddPointCommand : public Command
-    {
-    public:
-        AddPointCommand(SparseModel<PointType> *model,
-                        const PointType &point,
-                        QString name = "") :
-            m_model(model), m_point(point), m_name(name) { }
-
-        QString getName() const override {
-            return (m_name == "" ? tr("Add Point") : m_name);
-        }
-
-        void execute() override { m_model->addPoint(m_point); }
-        void unexecute() override { m_model->deletePoint(m_point); }
-
-        const PointType &getPoint() const { return m_point; }
-
-    private:
-        SparseModel<PointType> *m_model;
-        PointType m_point;
-        QString m_name;
-    };
-
-
-    /**
-     * Command to remove a point, with undo.
-     */
-    class DeletePointCommand : public Command
-    {
-    public:
-        DeletePointCommand(SparseModel<PointType> *model,
-                           const PointType &point) :
-            m_model(model), m_point(point) { }
-
-        QString getName() const override { return tr("Delete Point"); }
-
-        void execute() override { m_model->deletePoint(m_point); }
-        void unexecute() override { m_model->addPoint(m_point); }
-
-        const PointType &getPoint() const { return m_point; }
-
-    private:
-        SparseModel<PointType> *m_model;
-        PointType m_point;
-    };
-
-    
-    /**
-     * Command to add or remove a series of points, with undo.
-     * Consecutive add/remove pairs for the same point are collapsed.
-     */
-    class EditCommand : public MacroCommand
-    {
-    public:
-        EditCommand(SparseModel<PointType> *model, QString commandName);
-
-        virtual void addPoint(const PointType &point);
-        virtual void deletePoint(const PointType &point);
-
-        /**
-         * Stack an arbitrary other command in the same sequence.
-         */
-        void addCommand(Command *command) override { addCommand(command, true); }
-
-        /**
-         * If any points have been added or deleted, return this
-         * command (so the caller can add it to the command history).
-         * Otherwise delete the command and return NULL.
-         */
-        virtual EditCommand *finish();
-
-    protected:
-        virtual void addCommand(Command *command, bool executeFirst);
-
-        SparseModel<PointType> *m_model;
-    };
-
-
-    /**
-     * Command to relabel a point.
-     */
-    class RelabelCommand : public Command
-    {
-    public:
-        RelabelCommand(SparseModel<PointType> *model,
-                       const PointType &point,
-                       QString newLabel) :
-            m_model(model), m_oldPoint(point), m_newPoint(point) {
-            m_newPoint.label = newLabel;
-        }
-
-        QString getName() const override { return tr("Re-Label Point"); }
-
-        void execute() override { 
-            m_model->deletePoint(m_oldPoint);
-            m_model->addPoint(m_newPoint);
-            std::swap(m_oldPoint, m_newPoint);
-        }
-
-        void unexecute() override { execute(); }
-
-    private:
-        SparseModel<PointType> *m_model;
-        PointType m_oldPoint;
-        PointType m_newPoint;
-    };
-
-    /**
-     * TabularModel methods.  
-     */
-
-    int getRowCount() const override
-    {
-        return int(m_points.size());
-    }
-
-    sv_frame_t getFrameForRow(int row) const override
-    {
-        PointListConstIterator i = getPointListIteratorForRow(row);
-        if (i == m_points.end()) return 0;
-        return i->frame;
-    }
-
-    int getRowForFrame(sv_frame_t frame) const override
-    {
-        if (m_rows.empty()) rebuildRowVector();
-        std::vector<sv_frame_t>::iterator i =
-            std::lower_bound(m_rows.begin(), m_rows.end(), frame);
-        ssize_t row = std::distance(m_rows.begin(), i);
-        if (i != m_rows.begin() && (i == m_rows.end() || *i != frame)) {
-            --row;
-        }
-        return int(row);
-    }
-
-    int getColumnCount() const override { return 1; }
-    QVariant getData(int row, int column, int role) const override
-    {
-        PointListConstIterator i = getPointListIteratorForRow(row);
-        if (i == m_points.end()) {
-//            cerr << "no iterator for row " << row << " (have " << getRowCount() << " rows)" << endl;
-            return QVariant();
-        }
-
-//        cerr << "returning data for row " << row << " col " << column << endl;
-        
-        switch (column) {
-        case 0: {
-            if (role == SortRole) return int(i->frame);
-            RealTime rt = RealTime::frame2RealTime(i->frame, getSampleRate());
-            if (role == Qt::EditRole) return rt.toString().c_str();
-            else return rt.toText().c_str();
-        }
-        case 1: return int(i->frame);
-        }
-
-        return QVariant();
-    }
-
-    Command *getSetDataCommand(int row, int column,
-                               const QVariant &value, int role) override
-    {
-        if (role != Qt::EditRole) return 0;
-        PointListIterator 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 0: point.frame = lrint(value.toDouble() * getSampleRate()); break;
-        case 1: point.frame = value.toInt(); break; 
-        }
-
-        command->addPoint(point);
-        return command->finish();
-    }
-
-    Command *getInsertRowCommand(int row) override
-    {
-        EditCommand *command = new EditCommand(this, tr("Insert Data Point"));
-        Point point(0);
-        PointListIterator i = getPointListIteratorForRow(row);
-        if (i == m_points.end() && i != m_points.begin()) --i;
-        if (i != m_points.end()) point = *i;
-        command->addPoint(point);
-        return command->finish();
-    }
-            
-    Command *getRemoveRowCommand(int row) override
-    {
-        PointListIterator i = getPointListIteratorForRow(row);
-        if (i == m_points.end()) return 0;
-        EditCommand *command = new EditCommand(this, tr("Delete Data Point"));
-        command->deletePoint(*i);
-        return command->finish();
-    }
-            
-protected:
-    sv_samplerate_t m_sampleRate;
-    int m_resolution;
-    sv_frame_t m_extendTo;
-    bool m_notifyOnAdd;
-    sv_frame_t m_sinceLastNotifyMin;
-    sv_frame_t m_sinceLastNotifyMax;
-    bool m_hasTextLabels;
-
-    PointList m_points;
-    int m_pointCount;
-    mutable QMutex m_mutex;
-    int m_completion;
-
-    void getPointIterators(sv_frame_t frame,
-                           PointListIterator &startItr,
-                           PointListIterator &endItr);
-    void getPointIterators(sv_frame_t frame,
-                           PointListConstIterator &startItr,
-                           PointListConstIterator &endItr) const;
-
-    // This is only used if the model is called on to act in
-    // TabularModel mode
-    mutable std::vector<sv_frame_t> m_rows; // map from row number to frame
-
-    void rebuildRowVector() const
-    {
-        m_rows.clear();
-        for (PointListConstIterator i = m_points.begin(); i != m_points.end(); ++i) {
-//            std::cerr << "rebuildRowVector: row " << m_rows.size() << " -> " << i->frame << std::endl;
-            m_rows.push_back(i->frame);
-        }
-    }
-
-    PointListIterator getPointListIteratorForRow(int row)
-    {
-        if (m_rows.empty()) rebuildRowVector();
-        if (row < 0 || row + 1 > int(m_rows.size())) return m_points.end();
-
-        sv_frame_t frame = m_rows[row];
-        int indexAtFrame = 0;
-        int ri = row;
-        while (ri > 0 && m_rows[ri-1] == m_rows[row]) { --ri; ++indexAtFrame; }
-        int initialIndexAtFrame = indexAtFrame;
-
-        PointListIterator i0, i1;
-        getPointIterators(frame, i0, i1);
-        PointListIterator i = i0;
-
-        for (i = i0; i != i1; ++i) {
-            if (i->frame < (int)frame) { continue; }
-            if (indexAtFrame > 0) { --indexAtFrame; continue; }
-            return i;
-        }
-
-        if (indexAtFrame > 0) {
-            std::cerr << "WARNING: SparseModel::getPointListIteratorForRow: No iterator available for row " << row << " (frame = " << frame << ", index at frame = " << initialIndexAtFrame << ", leftover index " << indexAtFrame << ")" << std::endl;
-        }
-        return i;
-    }
-
-    PointListConstIterator getPointListIteratorForRow(int row) const
-    {
-        if (m_rows.empty()) rebuildRowVector();
-        if (row < 0 || row + 1 > int(m_rows.size())) return m_points.end();
-
-        sv_frame_t frame = m_rows[row];
-        int indexAtFrame = 0;
-        int ri = row;
-        while (ri > 0 && m_rows[ri-1] == m_rows[row]) { --ri; ++indexAtFrame; }
-        int initialIndexAtFrame = indexAtFrame;
-
-//        std::cerr << "getPointListIteratorForRow " << row << ": initialIndexAtFrame = " << initialIndexAtFrame << " for frame " << frame << std::endl;
-
-        PointListConstIterator i0, i1;
-        getPointIterators(frame, i0, i1);
-        PointListConstIterator i = i0;
-
-        for (i = i0; i != i1; ++i) {
-//            std::cerr << "i->frame is " << i->frame << ", wanting " << frame << std::endl;
-
-            if (i->frame < (int)frame) { continue; }
-            if (indexAtFrame > 0) { --indexAtFrame; continue; }
-            return i;
-        }
-/*
-        if (i == m_points.end()) {
-            std::cerr << "returning i at end" << std::endl;
-        } else {
-            std::cerr << "returning i with i->frame = " << i->frame << std::endl;
-        }
-*/
-        if (indexAtFrame > 0) {
-            std::cerr << "WARNING: SparseModel::getPointListIteratorForRow: No iterator available for row " << row << " (frame = " << frame << ", index at frame = " << initialIndexAtFrame << ", leftover index " << indexAtFrame << ")" << std::endl;
-        }
-        return i;
-    }
-
-    QString toDelimitedDataStringSubsetFilled(QString delimiter,
-                                              DataExportOptions opts,
-                                              sv_frame_t f0,
-                                              sv_frame_t f1) const {
-
-        QString s;
-        opts &= ~DataExportFillGaps;
-
-        // find frame time of first point in range (if any)
-        sv_frame_t first = f0;
-        for (auto &p: m_points) {
-            if (p.frame >= f0) {
-                first = p.frame;
-                break;
-            }
-        }
-
-        // project back to first frame time in range according to
-        // resolution.  e.g. if f0 = 2, first = 9, resolution = 4 then
-        // we start at 5 (because 1 is too early and we need to arrive
-        // at 9 to match the first actual point). This method is
-        // stupid but easy to understand:
-        sv_frame_t f = first;
-        while (f >= f0 + m_resolution) f -= m_resolution;
-        
-        // now progress, either writing the next point (if within
-        // distance) or a default point
-        PointListConstIterator itr = m_points.begin();
-
-        while (f < f1) {
-            if (itr != m_points.end() && itr->frame <= f) {
-                s += itr->toDelimitedDataString(delimiter, opts, m_sampleRate);
-                ++itr;
-            } else {
-                s += Point(f).toDelimitedDataString(delimiter, opts, m_sampleRate);
-            }
-            s += "\n";
-            f += m_resolution;
-        }
-
-        return s;
-    }
-};
-
-
-template <typename PointType>
-SparseModel<PointType>::SparseModel(sv_samplerate_t sampleRate,
-                                    int resolution,
-                                    bool notifyOnAdd) :
-    m_sampleRate(sampleRate),
-    m_resolution(resolution),
-    m_extendTo(0),
-    m_notifyOnAdd(notifyOnAdd),
-    m_sinceLastNotifyMin(-1),
-    m_sinceLastNotifyMax(-1),
-    m_hasTextLabels(false),
-    m_pointCount(0),
-    m_completion(100)
-{
-}
-
-template <typename PointType>
-sv_frame_t
-SparseModel<PointType>::getStartFrame() const
-{
-    QMutexLocker locker(&m_mutex);
-    sv_frame_t f = 0;
-    if (!m_points.empty()) {
-        f = m_points.begin()->frame;
-    }
-    return f;
-}
-
-template <typename PointType>
-sv_frame_t
-SparseModel<PointType>::getEndFrame() const
-{
-    QMutexLocker locker(&m_mutex);
-    sv_frame_t f = 0;
-    if (!m_points.empty()) {
-        PointListConstIterator i(m_points.end());
-        f = (--i)->frame + getResolution();
-    }
-    if (m_extendTo > f) {
-        return m_extendTo;
-    } else {
-        return f;
-    }
-}
-
-template <typename PointType>
-bool
-SparseModel<PointType>::isEmpty() const
-{
-    return m_pointCount == 0;
-}
-
-template <typename PointType>
-int
-SparseModel<PointType>::getPointCount() const
-{
-    return m_pointCount;
-}
-
-template <typename PointType>
-const typename SparseModel<PointType>::PointList &
-SparseModel<PointType>::getPoints() const
-{
-    return m_points;
-}
-
-template <typename PointType>
-typename SparseModel<PointType>::PointList
-SparseModel<PointType>::getPoints(sv_frame_t start, sv_frame_t end) const
-{
-    if (start > end) return PointList();
-    QMutexLocker locker(&m_mutex);
-
-    PointType startPoint(start), endPoint(end);
-    
-    PointListConstIterator startItr = m_points.lower_bound(startPoint);
-    PointListConstIterator   endItr = m_points.upper_bound(endPoint);
-
-    if (startItr != m_points.begin()) --startItr;
-    if (startItr != m_points.begin()) --startItr;
-    if (endItr != m_points.end()) ++endItr;
-    if (endItr != m_points.end()) ++endItr;
-
-    PointList rv;
-
-    for (PointListConstIterator i = startItr; i != endItr; ++i) {
-        rv.insert(*i);
-    }
-
-    return rv;
-}
-
-template <typename PointType>
-typename SparseModel<PointType>::PointList
-SparseModel<PointType>::getPoints(sv_frame_t frame) const
-{
-    PointListConstIterator startItr, endItr;
-    getPointIterators(frame, startItr, endItr);
-
-    PointList rv;
-
-    for (PointListConstIterator i = startItr; i != endItr; ++i) {
-        rv.insert(*i);
-    }
-
-    return rv;
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::getPointIterators(sv_frame_t frame,
-                                          PointListIterator &startItr,
-                                          PointListIterator &endItr)
-{
-    QMutexLocker locker(&m_mutex);
-
-    if (m_resolution == 0) {
-        startItr = m_points.end();
-        endItr = m_points.end();
-        return;
-    }
-
-    sv_frame_t start = (frame / m_resolution) * m_resolution;
-    sv_frame_t end = start + m_resolution;
-
-    PointType startPoint(start), endPoint(end);
-
-    startItr = m_points.lower_bound(startPoint);
-      endItr = m_points.upper_bound(endPoint);
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::getPointIterators(sv_frame_t frame,
-                                          PointListConstIterator &startItr,
-                                          PointListConstIterator &endItr) const
-{
-    QMutexLocker locker(&m_mutex);
-
-    if (m_resolution == 0) {
-//        std::cerr << "getPointIterators: resolution == 0, returning end()" << std::endl;
-        startItr = m_points.end();
-        endItr = m_points.end();
-        return;
-    }
-
-    sv_frame_t start = (frame / m_resolution) * m_resolution;
-    sv_frame_t end = start + m_resolution;
-
-    PointType startPoint(start), endPoint(end);
-    
-//    std::cerr << "getPointIterators: start frame " << start << ", end frame " << end << ", m_resolution " << m_resolution << std::endl;
-
-    startItr = m_points.lower_bound(startPoint);
-      endItr = m_points.upper_bound(endPoint);
-}
-
-template <typename PointType>
-typename SparseModel<PointType>::PointList
-SparseModel<PointType>::getPreviousPoints(sv_frame_t originFrame) const
-{
-    QMutexLocker locker(&m_mutex);
-
-    PointType lookupPoint(originFrame);
-    PointList rv;
-
-    PointListConstIterator i = m_points.lower_bound(lookupPoint);
-    if (i == m_points.begin()) return rv;
-
-    --i;
-    sv_frame_t frame = i->frame;
-    while (i->frame == frame) {
-        rv.insert(*i);
-        if (i == m_points.begin()) break;
-        --i;
-    }
-
-    return rv;
-}
- 
-template <typename PointType>
-typename SparseModel<PointType>::PointList
-SparseModel<PointType>::getNextPoints(sv_frame_t originFrame) const
-{
-    QMutexLocker locker(&m_mutex);
-
-    PointType lookupPoint(originFrame);
-    PointList rv;
-
-    PointListConstIterator i = m_points.upper_bound(lookupPoint);
-    if (i == m_points.end()) return rv;
-
-    sv_frame_t frame = i->frame;
-    while (i != m_points.end() && i->frame == frame) {
-        rv.insert(*i);
-        ++i;
-    }
-
-    return rv;
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::setResolution(int resolution)
-{
-    {
-        QMutexLocker locker(&m_mutex);
-        m_resolution = resolution;
-        m_rows.clear();
-    }
-    emit modelChanged();
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::clear()
-{
-    {
-        QMutexLocker locker(&m_mutex);
-        m_points.clear();
-        m_pointCount = 0;
-        m_rows.clear();
-    }
-    emit modelChanged();
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::addPoint(const PointType &point)
-{
-    {
-        QMutexLocker locker(&m_mutex);
-
-        m_points.insert(point);
-        m_pointCount++;
-        if (point.getLabel() != "") m_hasTextLabels = true;
-
-        // Even though this model is nominally sparse, there may still
-        // be too many signals going on here (especially as they'll
-        // probably be queued from one thread to another), which is
-        // why we need the notifyOnAdd as an option rather than a
-        // necessity (the alternative is to notify on setCompletion).
-
-        if (m_notifyOnAdd) {
-            m_rows.clear(); //!!! inefficient
-        } else {
-            if (m_sinceLastNotifyMin == -1 ||
-                point.frame < m_sinceLastNotifyMin) {
-                m_sinceLastNotifyMin = point.frame;
-            }
-            if (m_sinceLastNotifyMax == -1 ||
-                point.frame > m_sinceLastNotifyMax) {
-                m_sinceLastNotifyMax = point.frame;
-            }
-        }
-    }
-
-    if (m_notifyOnAdd) {
-        emit modelChangedWithin(point.frame, point.frame + m_resolution);
-    }
-}
-
-template <typename PointType>
-bool
-SparseModel<PointType>::containsPoint(const PointType &point)
-{
-    QMutexLocker locker(&m_mutex);
-
-    PointListIterator i = m_points.lower_bound(point);
-    typename PointType::Comparator comparator;
-    while (i != m_points.end()) {
-        if (i->frame > point.frame) break;
-        if (!comparator(*i, point) && !comparator(point, *i)) {
-            return true;
-        }
-        ++i;
-    }
-
-    return false;
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::deletePoint(const PointType &point)
-{
-    {
-        QMutexLocker locker(&m_mutex);
-
-        PointListIterator i = m_points.lower_bound(point);
-        typename PointType::Comparator comparator;
-        while (i != m_points.end()) {
-            if (i->frame > point.frame) break;
-            if (!comparator(*i, point) && !comparator(point, *i)) {
-                m_points.erase(i);
-                m_pointCount--;
-                break;
-            }
-            ++i;
-        }
-
-//    std::cout << "SparseOneDimensionalModel: emit modelChanged("
-//              << point.frame << ")" << std::endl;
-        m_rows.clear(); //!!! inefficient
-    }
-    
-    emit modelChangedWithin(point.frame, point.frame + m_resolution);
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::setCompletion(int completion, bool update)
-{
-//    std::cerr << "SparseModel::setCompletion(" << completion << ")" << std::endl;
-    bool emitCompletionChanged = true;
-    bool emitGeneralModelChanged = false;
-    bool emitRegionChanged = false;
-
-    {
-        QMutexLocker locker(&m_mutex);
-
-        if (m_completion != completion) {
-            m_completion = completion;
-
-            if (completion == 100) {
-
-                if (m_notifyOnAdd) {
-                    emitCompletionChanged = false;
-                }
-
-                m_notifyOnAdd = true; // henceforth
-                m_rows.clear(); //!!! inefficient
-                emitGeneralModelChanged = true;
-
-            } else if (!m_notifyOnAdd) {
-
-                if (update &&
-                    m_sinceLastNotifyMin >= 0 &&
-                    m_sinceLastNotifyMax >= 0) {
-                    m_rows.clear(); //!!! inefficient
-                    emitRegionChanged = true;
-                }
-            }
-        }
-    }
-
-    if (emitCompletionChanged) {
-        emit completionChanged();
-    }
-    if (emitGeneralModelChanged) {
-        emit modelChanged();
-    }
-    if (emitRegionChanged) {
-        emit modelChangedWithin(m_sinceLastNotifyMin, m_sinceLastNotifyMax);
-        m_sinceLastNotifyMin = m_sinceLastNotifyMax = -1;
-    }
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::toXml(QTextStream &out,
-                              QString indent,
-                              QString extraAttributes) const
-{
-//    std::cerr << "SparseModel::toXml: extraAttributes = \"" 
-//              << extraAttributes.toStdString() << std::endl;
-
-    QString type = getXmlOutputType();
-
-    Model::toXml
-        (out,
-         indent,
-         QString("type=\"%1\" dimensions=\"%2\" resolution=\"%3\" notifyOnAdd=\"%4\" dataset=\"%5\" %6")
-         .arg(type)
-         .arg(PointType(0).getDimensions())
-         .arg(m_resolution)
-         .arg(m_notifyOnAdd ? "true" : "false")
-         .arg(getObjectExportId(&m_points))
-         .arg(extraAttributes));
-
-    out << indent;
-    out << QString("<dataset id=\"%1\" dimensions=\"%2\">\n")
-        .arg(getObjectExportId(&m_points))
-        .arg(PointType(0).getDimensions());
-
-    for (PointListConstIterator i = m_points.begin(); i != m_points.end(); ++i) {
-        i->toXml(out, indent + "  ");
-    }
-
-    out << indent;
-    out << "</dataset>\n";
-}
-
-template <typename PointType>
-SparseModel<PointType>::EditCommand::EditCommand(SparseModel *model,
-                                                 QString commandName) :
-    MacroCommand(commandName),
-    m_model(model)
-{
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::EditCommand::addPoint(const PointType &point)
-{
-    addCommand(new AddPointCommand(m_model, point), true);
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::EditCommand::deletePoint(const PointType &point)
-{
-    addCommand(new DeletePointCommand(m_model, point), true);
-}
-
-template <typename PointType>
-typename SparseModel<PointType>::EditCommand *
-SparseModel<PointType>::EditCommand::finish()
-{
-    if (!m_commands.empty()) {
-        return this;
-    } else {
-        delete this;
-        return 0;
-    }
-}
-
-template <typename PointType>
-void
-SparseModel<PointType>::EditCommand::addCommand(Command *command,
-                                                bool executeFirst)
-{
-    if (executeFirst) command->execute();
-
-    if (!m_commands.empty()) {
-        DeletePointCommand *dpc = dynamic_cast<DeletePointCommand *>(command);
-        if (dpc) {
-            AddPointCommand *apc = dynamic_cast<AddPointCommand *>
-                (m_commands[m_commands.size() - 1]);
-            typename PointType::Comparator comparator;
-            if (apc) {
-                if (!comparator(apc->getPoint(), dpc->getPoint()) &&
-                    !comparator(dpc->getPoint(), apc->getPoint())) {
-                    deleteCommand(apc);
-                    return;
-                }
-            }
-        }
-    }
-
-    MacroCommand::addCommand(command);
-}
-
-#endif
-
-
-    
diff -r 82d03c9661f9 -r b5580d93f28b data/model/SparseValueModel.h
--- a/data/model/SparseValueModel.h	Wed Mar 27 13:15:16 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,140 +0,0 @@
-/* -*- 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 SV_SPARSE_VALUE_MODEL_H
-#define SV_SPARSE_VALUE_MODEL_H
-
-#include "SparseModel.h"
-#include "base/UnitDatabase.h"
-
-#include "system/System.h"
-
-/**
- * Model containing sparse data (points with some properties) of which
- * one of the properties is an arbitrary float value.  The other
- * properties depend on the point type.
- */
-
-template <typename PointType>
-class SparseValueModel : public SparseModel<PointType>
-{
-public:
-    SparseValueModel(sv_samplerate_t sampleRate, int resolution,
-                     bool notifyOnAdd = true) :
-        SparseModel<PointType>(sampleRate, resolution, notifyOnAdd),
-        m_valueMinimum(0.f),
-        m_valueMaximum(0.f),
-        m_haveExtents(false)
-    { }
-
-    SparseValueModel(sv_samplerate_t sampleRate, int resolution,
-                     float valueMinimum, float valueMaximum,
-                     bool notifyOnAdd = true) :
-        SparseModel<PointType>(sampleRate, resolution, notifyOnAdd),
-        m_valueMinimum(valueMinimum),
-        m_valueMaximum(valueMaximum),
-        m_haveExtents(true)
-    { }
-
-    using SparseModel<PointType>::m_points;
-    using SparseModel<PointType>::modelChanged;
-    using SparseModel<PointType>::getPoints;
-    using SparseModel<PointType>::tr;
-
-    QString getTypeName() const override { return tr("Sparse Value"); }
-
-    virtual float getValueMinimum() const { return m_valueMinimum; }
-    virtual float getValueMaximum() const { return m_valueMaximum; }
-
-    virtual QString getScaleUnits() const { return m_units; }
-    virtual void setScaleUnits(QString units) {
-        m_units = units;
-        UnitDatabase::getInstance()->registerUnit(units);
-    }
-
-    void addPoint(const PointType &point) override
-    {
-        bool allChange = false;
-
-        if (!ISNAN(point.value) && !ISINF(point.value)) {
-            if (!m_haveExtents || point.value < m_valueMinimum) {
-                m_valueMinimum = point.value; allChange = true;
-//                std::cerr << "addPoint: value min = " << m_valueMinimum << std::endl;
-            }
-            if (!m_haveExtents || point.value > m_valueMaximum) {
-                m_valueMaximum = point.value; allChange = true;
-//                std::cerr << "addPoint: value max = " << m_valueMaximum << " (min = " << m_valueMinimum << ")" << std::endl;
-            }
-            m_haveExtents = true;
-        }
-
-        SparseModel<PointType>::addPoint(point);
-        if (allChange) emit modelChanged();
-    }
-
-    void deletePoint(const PointType &point) override
-    {
-        SparseModel<PointType>::deletePoint(point);
-
-        if (point.value == m_valueMinimum ||
-            point.value == m_valueMaximum) {
-
-            float formerMin = m_valueMinimum, formerMax = m_valueMaximum;
-
-            for (typename SparseModel<PointType>::PointList::const_iterator i
-                     = m_points.begin();
-                 i != m_points.end(); ++i) {
-
-                if (i == m_points.begin() || i->value < m_valueMinimum) {
-                    m_valueMinimum = i->value;
-//                    std::cerr << "deletePoint: value min = " << m_valueMinimum << std::endl;
-                } 
-                if (i == m_points.begin() || i->value > m_valueMaximum) {
-                    m_valueMaximum = i->value;
-//                    std::cerr << "deletePoint: value max = " << m_valueMaximum << std::endl;
-                } 
-            }
-
-            if (formerMin != m_valueMinimum || formerMax != m_valueMaximum) {
-                emit modelChanged();
-            }
-        }
-    }
-
-    void toXml(QTextStream &stream,
-               QString indent = "",
-               QString extraAttributes = "") const override
-    {
-        std::cerr << "SparseValueModel::toXml: extraAttributes = \"" 
-                  << extraAttributes.toStdString() << "\"" << std::endl;
-
-        SparseModel<PointType>::toXml
-            (stream,
-             indent,
-             QString("%1 minimum=\"%2\" maximum=\"%3\" units=\"%4\"")
-             .arg(extraAttributes).arg(m_valueMinimum).arg(m_valueMaximum)
-             .arg(this->encodeEntities(m_units)));
-    }
-
-protected:
-    float m_valueMinimum;
-    float m_valueMaximum;
-    bool m_haveExtents;
-    QString m_units;
-};
-
-
-#endif
-
diff -r 82d03c9661f9 -r b5580d93f28b files.pri
--- a/files.pri	Wed Mar 27 13:15:16 2019 +0000
+++ b/files.pri	Wed Mar 27 14:13:32 2019 +0000
@@ -85,7 +85,6 @@
            data/model/EventCommands.h \
            data/model/FFTModel.h \
            data/model/ImageModel.h \
-           data/model/IntervalModel.h \
            data/model/Labeller.h \
            data/model/Model.h \
            data/model/ModelDataTableModel.h \
@@ -96,10 +95,8 @@
            data/model/RangeSummarisableTimeValueModel.h \
            data/model/RegionModel.h \
            data/model/RelativelyFineZoomConstraint.h \
-           data/model/SparseModel.h \
            data/model/SparseOneDimensionalModel.h \
            data/model/SparseTimeValueModel.h \
-           data/model/SparseValueModel.h \
            data/model/TabularModel.h \
            data/model/TextModel.h \
            data/model/WaveformOversampler.h \