69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
// ATSDataProxyModel abstract base class definition
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//
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// Abstract proxy model for ATS partials/residual data
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// (source model = ATSModel)
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//
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// QATSH Copyright 2009 Jean-Philippe MEURET <jpmeuret@free.fr>
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#include <iostream>
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#include <QModelIndex>
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#include "ATSModel.h"
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#include "ATSDataProxyModel.h"
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#include "ATSModelItems.h"
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// Constructors / Destructor ===============================================
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ATSDataProxyModel::ATSDataProxyModel(QObject *parent)
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: QAbstractProxyModel(parent)
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{
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}
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ATSDataProxyModel::~ATSDataProxyModel()
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{
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}
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// Set source model ========================================================
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void ATSDataProxyModel::setSourceModel(QAbstractItemModel* pSourceModel)
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{
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// Normal base class job.
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QAbstractProxyModel::setSourceModel(pSourceModel);
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// And also prepare for future source model resets.
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connect(pSourceModel, SIGNAL(modelReset()), this, SLOT(onSourceModelReset()));
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}
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void ATSDataProxyModel::onSourceModelReset()
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{
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//std::cout << "ATSDataProxyModel::onSourceModelReset" << std::endl;
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// Warn attached views that we were reset
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beginResetModel();
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endResetModel();
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}
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// Get number of frames ====================================================
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int ATSDataProxyModel::nbFrames() const
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{
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const QModelIndex miFileProps = sourceModel()->index(0, 0, QModelIndex());
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const QModelIndex qmiNbFrames =
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sourceModel()->index(0, ATSFilePropertiesItem::eSoundPropNbFrames, miFileProps);
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return sourceModel()->data(qmiNbFrames).toInt();
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}
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// Get frame duration ======================================================
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double ATSDataProxyModel::frameDuration() const
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{
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const QModelIndex miFileProps = sourceModel()->index(0, 0, QModelIndex());
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const QModelIndex qmiSoundDur =
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sourceModel()->index(0, ATSFilePropertiesItem::eSoundPropDuration, miFileProps);
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const QModelIndex qmiNbFrames =
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sourceModel()->index(0, ATSFilePropertiesItem::eSoundPropNbFrames, miFileProps);
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return sourceModel()->data(qmiSoundDur).toDouble()
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/ sourceModel()->data(qmiNbFrames).toInt();
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}
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