Chris@378: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@378: 
Chris@378: /*
Chris@378:     Sonic Visualiser
Chris@378:     An audio file viewer and annotation editor.
Chris@378:     Centre for Digital Music, Queen Mary, University of London.
Chris@1319:     This file copyright 2006-2018 Chris Cannam and QMUL.
Chris@378:     
Chris@378:     This program is free software; you can redistribute it and/or
Chris@378:     modify it under the terms of the GNU General Public License as
Chris@378:     published by the Free Software Foundation; either version 2 of the
Chris@378:     License, or (at your option) any later version.  See the file
Chris@378:     COPYING included with this distribution for more information.
Chris@378: */
Chris@378: 
Chris@1319: #include "CSVAudioFormatDialog.h"
Chris@378: 
Chris@561: #include "layer/LayerFactory.h"
Chris@561: 
Chris@674: #include "TextAbbrev.h"
Chris@674: 
Chris@378: #include <QFrame>
Chris@378: #include <QGridLayout>
Chris@378: #include <QPushButton>
Chris@378: #include <QHBoxLayout>
Chris@378: #include <QVBoxLayout>
Chris@378: #include <QTableWidget>
Chris@378: #include <QComboBox>
Chris@378: #include <QLabel>
Chris@512: #include <QDialogButtonBox>
Chris@378: 
Chris@560: #include <iostream>
Chris@913: #include <cmath>
Chris@378: 
Chris@682: #include "base/Debug.h"
Chris@682: 
Chris@1319: CSVAudioFormatDialog::CSVAudioFormatDialog(QWidget *parent, CSVFormat format,
Chris@1319:                                            int maxDisplayCols) :
Chris@378:     QDialog(parent),
Chris@581:     m_format(format),
Chris@581:     m_maxDisplayCols(maxDisplayCols),
Chris@581:     m_fuzzyColumn(-1)
Chris@378: {
Chris@378:     setModal(true);
Chris@1319:     setWindowTitle(tr("Select Audio Data Format"));
Chris@378: 
Chris@378:     QGridLayout *layout = new QGridLayout;
Chris@378: 
Chris@560:     int row = 0;
Chris@378: 
Chris@1318:     layout->addWidget
Chris@1318:         (new QLabel(tr("Please select the correct data format for this file.")),
Chris@1318:          row++, 0, 1, 4);
Chris@560: 
Chris@560:     QFrame *exampleFrame = new QFrame;
Chris@560:     exampleFrame->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
Chris@560:     exampleFrame->setLineWidth(2);
Chris@560:     QGridLayout *exampleLayout = new QGridLayout;
Chris@561:     exampleLayout->setSpacing(4);
Chris@560:     exampleFrame->setLayout(exampleLayout);
Chris@560: 
Chris@560:     QPalette palette = exampleFrame->palette();
Chris@560:     palette.setColor(QPalette::Window, palette.color(QPalette::Base));
Chris@560:     exampleFrame->setPalette(palette);
Chris@560: 
Chris@560:     QFont fp;
Chris@908:     fp.setPointSize(int(floor(fp.pointSize() * 0.9)));
Chris@560:     
Chris@560:     int columns = format.getColumnCount();
Chris@560:     QList<QStringList> example = m_format.getExample();
Chris@560: 
Chris@560:     for (int i = 0; i < columns; ++i) {
Chris@581: 
Chris@560:         QComboBox *cpc = new QComboBox;
Chris@560:         m_columnPurposeCombos.push_back(cpc);
Chris@560:         exampleLayout->addWidget(cpc, 0, i);
Chris@581:         connect(cpc, SIGNAL(activated(int)), this, SLOT(columnPurposeChanged(int)));
Chris@1318:         
Chris@581:         if (i == m_maxDisplayCols && columns > i + 2) {
Chris@581:             m_fuzzyColumn = i;
Chris@1318: 
Chris@1319:             cpc->addItem(tr("<ignore>"));
Chris@1319:             cpc->addItem(tr("Audio channels"));
Chris@1319:             cpc->setCurrentIndex
Chris@1322:                 (m_format.getColumnPurpose(i-1) == CSVFormat::ColumnValue ?
Chris@1322:                  1 : 0);
Chris@1319: 
Chris@1318:             exampleLayout->addWidget
Chris@1318:                 (new QLabel(tr("(%1 more)").arg(columns - i)), 1, i);
Chris@581:             break;
Chris@581:         }
Chris@560: 
Chris@1319:         cpc->addItem(tr("<ignore>"));
Chris@1319:         cpc->addItem(tr("Audio channel"));
Chris@1322:         cpc->setCurrentIndex
Chris@1322:             (m_format.getColumnPurpose(i) == CSVFormat::ColumnValue ? 1 : 0);
Chris@1318:         
Chris@581:         for (int j = 0; j < example.size() && j < 6; ++j) {
Chris@866:             if (i >= example[j].size()) {
Chris@866:                 continue;
Chris@866:             }
Chris@581:             QLabel *label = new QLabel;
Chris@581:             label->setTextFormat(Qt::PlainText);
Chris@674:             QString text = TextAbbrev::abbreviate(example[j][i], 35);
Chris@674:             label->setText(text);
Chris@581:             label->setFont(fp);
Chris@581:             label->setPalette(palette);
Chris@581:             label->setIndent(8);
Chris@581:             exampleLayout->addWidget(label, j+1, i);
Chris@560:         }
Chris@560:     }
Chris@560: 
Chris@560:     layout->addWidget(exampleFrame, row, 0, 1, 4);
Chris@560:     layout->setColumnStretch(3, 10);
Chris@560:     layout->setRowStretch(row++, 10);
Chris@560: 
Chris@1320:     layout->addWidget(new QLabel(tr("Audio sample rate (Hz):")), row, 0);
Chris@378:     
Chris@807:     int sampleRates[] = {
Chris@1266:         8000, 11025, 12000, 22050, 24000, 32000,
Chris@1266:         44100, 48000, 88200, 96000, 176400, 192000
Chris@378:     };
Chris@378: 
Chris@378:     m_sampleRateCombo = new QComboBox;
Chris@807:     for (int i = 0; i < int(sizeof(sampleRates) / sizeof(sampleRates[0])); ++i) {
Chris@1266:         m_sampleRateCombo->addItem(QString("%1").arg(sampleRates[i]));
Chris@1266:         if (sampleRates[i] == m_format.getSampleRate()) {
Chris@560:             m_sampleRateCombo->setCurrentIndex(i);
Chris@560:         }
Chris@378:     }
Chris@378:     m_sampleRateCombo->setEditable(true);
Chris@378: 
Chris@560:     layout->addWidget(m_sampleRateCombo, row++, 1);
Chris@378:     connect(m_sampleRateCombo, SIGNAL(activated(QString)),
Chris@1266:             this, SLOT(sampleRateChanged(QString)));
Chris@378:     connect(m_sampleRateCombo, SIGNAL(editTextChanged(QString)),
Chris@1266:             this, SLOT(sampleRateChanged(QString)));
Chris@1320:     
Chris@1320:     layout->addWidget(new QLabel(tr("Sample values are:")), row, 0);
Chris@1320:     
Chris@1320:     m_sampleRangeCombo = new QComboBox;
Chris@1321:     // NB must be in the same order as the CSVFormat::AudioSampleRange enum
Chris@1320:     m_sampleRangeCombo->addItem(tr("Floating-point in range -1 to 1"));
Chris@1320:     m_sampleRangeCombo->addItem(tr("8-bit in range 0 to 255"));
Chris@1320:     m_sampleRangeCombo->addItem(tr("16-bit in range -32768 to 32767"));
Chris@1320:     m_sampleRangeCombo->addItem(tr("Unknown range: normalise on load"));
Chris@1321:     m_sampleRangeCombo->setCurrentIndex(int(m_format.getAudioSampleRange()));
Chris@1320: 
Chris@1320:     layout->addWidget(m_sampleRangeCombo, row++, 1);
Chris@1320:     connect(m_sampleRangeCombo, SIGNAL(activated(int)),
Chris@1320:             this, SLOT(sampleRangeChanged(int)));
Chris@1320:     
Chris@512:     QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok |
Chris@512:                                                 QDialogButtonBox::Cancel);
Chris@560:     layout->addWidget(bb, row++, 0, 1, 4);
Chris@512:     connect(bb, SIGNAL(accepted()), this, SLOT(accept()));
Chris@512:     connect(bb, SIGNAL(rejected()), this, SLOT(reject()));
Chris@378: 
Chris@512:     setLayout(layout);
Chris@378: 
Chris@1319:     updateFormatFromDialog();
Chris@378: }
Chris@378: 
Chris@1319: CSVAudioFormatDialog::~CSVAudioFormatDialog()
Chris@378: {
Chris@378: }
Chris@378: 
Chris@378: CSVFormat
Chris@1319: CSVAudioFormatDialog::getFormat() const
Chris@378: {
Chris@560:     return m_format;
Chris@378: }
Chris@378: 
Chris@378: void
Chris@1319: CSVAudioFormatDialog::sampleRateChanged(QString rateString)
Chris@378: {
Chris@378:     bool ok = false;
Chris@378:     int sampleRate = rateString.toInt(&ok);
Chris@560:     if (ok) m_format.setSampleRate(sampleRate);
Chris@378: }
Chris@378: 
Chris@378: void
Chris@1320: CSVAudioFormatDialog::sampleRangeChanged(int range)
Chris@1320: {
Chris@1321:     m_format.setAudioSampleRange((CSVFormat::AudioSampleRange)range);
Chris@1320: }
Chris@1320: 
Chris@1320: void
Chris@1319: CSVAudioFormatDialog::columnPurposeChanged(int)
Chris@378: {
Chris@1318:     updateFormatFromDialog();
Chris@1318: }
Chris@1318:     
Chris@1318: void
Chris@1319: CSVAudioFormatDialog::updateFormatFromDialog()
Chris@1318: {
Chris@1319:     m_format.setModelType(CSVFormat::WaveFileModel);
Chris@1319:     m_format.setTimingType(CSVFormat::ImplicitTiming);
Chris@1319:     m_format.setTimeUnits(CSVFormat::TimeAudioFrames);
Chris@1318:     
Chris@959:     for (int i = 0; i < m_columnPurposeCombos.size(); ++i) {
Chris@959: 
Chris@959:         QComboBox *thisCombo = m_columnPurposeCombos[i];
Chris@959:         
Chris@1319:         CSVFormat::ColumnPurpose purpose = (thisCombo->currentIndex() == 1 ?
Chris@1319:                                             CSVFormat::ColumnValue :
Chris@1319:                                             CSVFormat::ColumnUnknown);
Chris@1319:         
Chris@959:         if (i == m_fuzzyColumn) {
Chris@992:             for (int j = i; j < m_format.getColumnCount(); ++j) {
Chris@1319:                 m_format.setColumnPurpose(j, purpose);
Chris@959:             }
Chris@992:         } else {
Chris@992:             m_format.setColumnPurpose(i, purpose);
Chris@959:         }
Chris@561:     }
Chris@560: }
Chris@560: 
Chris@560: 
Chris@959: