lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@189: #include "system/System.h"
lbajardsilogic@0: 
lbajardsilogic@189: #include <iostream>
lbajardsilogic@0: 
lbajardsilogic@0: #include <QFile>
lbajardsilogic@0: #include <QString>
lbajardsilogic@0: #include <QRegExp>
lbajardsilogic@0: #include <QStringList>
lbajardsilogic@0: #include <QTextStream>
lbajardsilogic@0: #include <QFrame>
lbajardsilogic@0: #include <QGridLayout>
lbajardsilogic@0: #include <QPushButton>
lbajardsilogic@0: #include <QHBoxLayout>
lbajardsilogic@0: #include <QVBoxLayout>
lbajardsilogic@0: #include <QTableWidget>
lbajardsilogic@0: #include <QComboBox>
lbajardsilogic@0: #include <QLabel>
lbajardsilogic@0: 
lbajardsilogic@189: #include "model/Model.h"
lbajardsilogic@189: #include "base/RealTime.h"
lbajardsilogic@189: #include "model/SparseOneDimensionalModel.h"
lbajardsilogic@189: #include "model/SparseTimeValueModel.h"
lbajardsilogic@189: #include "model/EditableDenseThreeDimensionalModel.h"
lbajardsilogic@189: 
lbajardsilogic@189: #include "CSVFileReader.h"
lbajardsilogic@0: 
lbajardsilogic@0: CSVFileReader::CSVFileReader(QString path, size_t mainModelSampleRate) :
lbajardsilogic@0:     m_file(0),
lbajardsilogic@0:     m_mainModelSampleRate(mainModelSampleRate)
lbajardsilogic@0: {
lbajardsilogic@0:     m_file = new QFile(path);
lbajardsilogic@0:     bool good = false;
lbajardsilogic@0:     
lbajardsilogic@0:     if (!m_file->exists()) {
lbajardsilogic@0: 	m_error = QFile::tr("File \"%1\" does not exist").arg(path);
lbajardsilogic@0:     } else if (!m_file->open(QIODevice::ReadOnly | QIODevice::Text)) {
lbajardsilogic@0: 	m_error = QFile::tr("Failed to open file \"%1\"").arg(path);
lbajardsilogic@0:     } else {
lbajardsilogic@0: 	good = true;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     if (!good) {
lbajardsilogic@0: 	delete m_file;
lbajardsilogic@0: 	m_file = 0;
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: CSVFileReader::~CSVFileReader()
lbajardsilogic@0: {
lbajardsilogic@0:     std::cerr << "CSVFileReader::~CSVFileReader: file is " << m_file << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_file) {
lbajardsilogic@0:         std::cerr << "CSVFileReader::CSVFileReader: Closing file" << std::endl;
lbajardsilogic@0:         m_file->close();
lbajardsilogic@0:     }
lbajardsilogic@0:     delete m_file;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: CSVFileReader::isOK() const
lbajardsilogic@0: {
lbajardsilogic@0:     return (m_file != 0);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: QString
lbajardsilogic@0: CSVFileReader::getError() const
lbajardsilogic@0: {
lbajardsilogic@0:     return m_error;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Model *
lbajardsilogic@0: CSVFileReader::load() const
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_file) return 0;
lbajardsilogic@0: 
lbajardsilogic@0:     CSVFormatDialog *dialog = new CSVFormatDialog
lbajardsilogic@0: 	(0, m_file, m_mainModelSampleRate);
lbajardsilogic@0: 
lbajardsilogic@0:     if (dialog->exec() == QDialog::Rejected) {
lbajardsilogic@0: 	delete dialog;
lbajardsilogic@0: 	return 0;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     CSVFormatDialog::ModelType   modelType = dialog->getModelType();
lbajardsilogic@0:     CSVFormatDialog::TimingType timingType = dialog->getTimingType();
lbajardsilogic@0:     CSVFormatDialog::TimeUnits   timeUnits = dialog->getTimeUnits();
lbajardsilogic@0:     QString separator = dialog->getSeparator();
lbajardsilogic@0:     size_t sampleRate = dialog->getSampleRate();
lbajardsilogic@0:     size_t windowSize = dialog->getWindowSize();
lbajardsilogic@0: 
lbajardsilogic@0:     delete dialog;
lbajardsilogic@0: 
lbajardsilogic@0:     if (timingType == CSVFormatDialog::ExplicitTiming) {
lbajardsilogic@0: 	windowSize = 1;
lbajardsilogic@0: 	if (timeUnits == CSVFormatDialog::TimeSeconds) {
lbajardsilogic@0: 	    sampleRate = m_mainModelSampleRate;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     SparseOneDimensionalModel *model1 = 0;
lbajardsilogic@0:     SparseTimeValueModel *model2 = 0;
lbajardsilogic@0:     EditableDenseThreeDimensionalModel *model3 = 0;
lbajardsilogic@0:     Model *model = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     QTextStream in(m_file);
lbajardsilogic@0:     in.seek(0);
lbajardsilogic@0: 
lbajardsilogic@0:     unsigned int warnings = 0, warnLimit = 10;
lbajardsilogic@0:     unsigned int lineno = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     float min = 0.0, max = 0.0;
lbajardsilogic@0: 
lbajardsilogic@0:     size_t frameNo = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     while (!in.atEnd()) {
lbajardsilogic@0: 
lbajardsilogic@0: 	QString line = in.readLine().trimmed();
lbajardsilogic@0: 	if (line.startsWith("#") || line.trimmed() == "") continue;
lbajardsilogic@0: 
lbajardsilogic@0: 	QStringList list = line.split(separator);
lbajardsilogic@0: 
lbajardsilogic@0: 	if (!model) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    switch (modelType) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    case CSVFormatDialog::OneDimensionalModel:
lbajardsilogic@0: 		model1 = new SparseOneDimensionalModel(sampleRate, windowSize);
lbajardsilogic@0: 		model = model1;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 		
lbajardsilogic@0: 	    case CSVFormatDialog::TwoDimensionalModel:
lbajardsilogic@0: 		model2 = new SparseTimeValueModel(sampleRate, windowSize, false);
lbajardsilogic@0: 		model = model2;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 		
lbajardsilogic@0: 	    case CSVFormatDialog::ThreeDimensionalModel:
lbajardsilogic@0: 		model3 = new EditableDenseThreeDimensionalModel(sampleRate,
lbajardsilogic@0:                                                                 windowSize,
lbajardsilogic@0:                                                                 list.size());
lbajardsilogic@0: 		model = model3;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	QStringList tidyList;
lbajardsilogic@0:         QRegExp nonNumericRx("[^0-9.,+-]");
lbajardsilogic@0: 
lbajardsilogic@0: 	for (int i = 0; i < list.size(); ++i) {
lbajardsilogic@0: 	    
lbajardsilogic@0: 	    QString s(list[i].trimmed());
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (s.length() >= 2 && s.startsWith("\"") && s.endsWith("\"")) {
lbajardsilogic@0: 		s = s.mid(1, s.length() - 2);
lbajardsilogic@0: 	    } else if (s.length() >= 2 && s.startsWith("'") && s.endsWith("'")) {
lbajardsilogic@0: 		s = s.mid(1, s.length() - 2);
lbajardsilogic@0: 	    }
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (i == 0 && timingType == CSVFormatDialog::ExplicitTiming) {
lbajardsilogic@0: 
lbajardsilogic@0: 		bool ok = false;
lbajardsilogic@0:                 QString numeric = s;
lbajardsilogic@0:                 numeric.remove(nonNumericRx);
lbajardsilogic@0: 
lbajardsilogic@0: 		if (timeUnits == CSVFormatDialog::TimeSeconds) {
lbajardsilogic@0: 
lbajardsilogic@0: 		    double time = numeric.toDouble(&ok);
lbajardsilogic@0: 		    frameNo = int(time * sampleRate + 0.00001);
lbajardsilogic@0: 
lbajardsilogic@0: 		} else {
lbajardsilogic@0: 
lbajardsilogic@0: 		    frameNo = numeric.toInt(&ok);
lbajardsilogic@0: 
lbajardsilogic@0: 		    if (timeUnits == CSVFormatDialog::TimeWindows) {
lbajardsilogic@0: 			frameNo *= windowSize;
lbajardsilogic@0: 		    }
lbajardsilogic@0: 		}
lbajardsilogic@0: 			       
lbajardsilogic@0: 		if (!ok) {
lbajardsilogic@0: 		    if (warnings < warnLimit) {
lbajardsilogic@0: 			std::cerr << "WARNING: CSVFileReader::load: "
lbajardsilogic@0: 				  << "Bad time format (\"" << s.toStdString()
lbajardsilogic@0: 				  << "\") in data line "
lbajardsilogic@0: 				  << lineno << ":" << std::endl;
lbajardsilogic@0: 			std::cerr << line.toStdString() << std::endl;
lbajardsilogic@0: 		    } else if (warnings == warnLimit) {
lbajardsilogic@0: 			std::cerr << "WARNING: Too many warnings" << std::endl;
lbajardsilogic@0: 		    }
lbajardsilogic@0:                     ++warnings;
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		tidyList.push_back(s);
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	if (modelType == CSVFormatDialog::OneDimensionalModel) {
lbajardsilogic@0: 	    
lbajardsilogic@0: 	    SparseOneDimensionalModel::Point point
lbajardsilogic@0: 		(frameNo,
lbajardsilogic@0: 		 tidyList.size() > 0 ? tidyList[tidyList.size()-1] :
lbajardsilogic@0: 		 QString("%1").arg(lineno));
lbajardsilogic@0: 
lbajardsilogic@0: 	    model1->addPoint(point);
lbajardsilogic@0: 
lbajardsilogic@0: 	} else if (modelType == CSVFormatDialog::TwoDimensionalModel) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    SparseTimeValueModel::Point point
lbajardsilogic@0: 		(frameNo,
lbajardsilogic@0: 		 tidyList.size() > 0 ? tidyList[0].toFloat() : 0.0,
lbajardsilogic@0: 		 tidyList.size() > 1 ? tidyList[1] : QString("%1").arg(lineno));
lbajardsilogic@0: 
lbajardsilogic@0: 	    model2->addPoint(point);
lbajardsilogic@0: 
lbajardsilogic@0: 	} else if (modelType == CSVFormatDialog::ThreeDimensionalModel) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    DenseThreeDimensionalModel::Column values;
lbajardsilogic@0: 
lbajardsilogic@0: 	    for (int i = 0; i < tidyList.size(); ++i) {
lbajardsilogic@0: 
lbajardsilogic@0: 		bool ok = false;
lbajardsilogic@0: 		float value = list[i].toFloat(&ok);
lbajardsilogic@0: 		values.push_back(value);
lbajardsilogic@0: 	    
lbajardsilogic@0: 		if ((lineno == 0 && i == 0) || value < min) min = value;
lbajardsilogic@0: 		if ((lineno == 0 && i == 0) || value > max) max = value;
lbajardsilogic@0: 
lbajardsilogic@0: 		if (!ok) {
lbajardsilogic@0: 		    if (warnings < warnLimit) {
lbajardsilogic@0: 			std::cerr << "WARNING: CSVFileReader::load: "
lbajardsilogic@0: 				  << "Non-numeric value in data line " << lineno
lbajardsilogic@0: 				  << ":" << std::endl;
lbajardsilogic@0: 			std::cerr << line.toStdString() << std::endl;
lbajardsilogic@0: 			++warnings;
lbajardsilogic@0: 		    } else if (warnings == warnLimit) {
lbajardsilogic@0: 			std::cerr << "WARNING: Too many warnings" << std::endl;
lbajardsilogic@0: 		    }
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	
lbajardsilogic@0: 	    std::cerr << "Setting bin values for count " << lineno << ", frame "
lbajardsilogic@0: 		      << frameNo << ", time " << RealTime::frame2RealTime(frameNo, sampleRate) << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0: 	    model3->setColumn(frameNo / model3->getResolution(), values);
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	++lineno;
lbajardsilogic@0: 	if (timingType == CSVFormatDialog::ImplicitTiming ||
lbajardsilogic@0: 	    list.size() == 0) {
lbajardsilogic@0: 	    frameNo += windowSize;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     if (modelType == CSVFormatDialog::ThreeDimensionalModel) {
lbajardsilogic@0: 	model3->setMinimumLevel(min);
lbajardsilogic@0: 	model3->setMaximumLevel(max);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     return model;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: 
lbajardsilogic@0: CSVFormatDialog::CSVFormatDialog(QWidget *parent, QFile *file,
lbajardsilogic@0: 				 size_t defaultSampleRate) :
lbajardsilogic@0:     QDialog(parent),
lbajardsilogic@0:     m_modelType(OneDimensionalModel),
lbajardsilogic@0:     m_timingType(ExplicitTiming),
lbajardsilogic@0:     m_timeUnits(TimeAudioFrames),
lbajardsilogic@0:     m_separator("")
lbajardsilogic@0: {
lbajardsilogic@0:     setModal(true);
lbajardsilogic@0:     setWindowTitle(tr("Select Data Format"));
lbajardsilogic@0: 
lbajardsilogic@0:     (void)guessFormat(file);
lbajardsilogic@0: 
lbajardsilogic@0:     QGridLayout *layout = new QGridLayout;
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(new QLabel(tr("\nPlease select the correct data format for this file.\n")),
lbajardsilogic@0: 		      0, 0, 1, 4);
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(new QLabel(tr("Each row specifies:")), 1, 0);
lbajardsilogic@0: 
lbajardsilogic@0:     m_modelTypeCombo = new QComboBox;
lbajardsilogic@0:     m_modelTypeCombo->addItem(tr("A point in time"));
lbajardsilogic@0:     m_modelTypeCombo->addItem(tr("A value at a time"));
lbajardsilogic@0:     m_modelTypeCombo->addItem(tr("A set of values"));
lbajardsilogic@0:     layout->addWidget(m_modelTypeCombo, 1, 1, 1, 2);
lbajardsilogic@0:     connect(m_modelTypeCombo, SIGNAL(activated(int)),
lbajardsilogic@0: 	    this, SLOT(modelTypeChanged(int)));
lbajardsilogic@0:     m_modelTypeCombo->setCurrentIndex(int(m_modelType));
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(new QLabel(tr("The first column contains:")), 2, 0);
lbajardsilogic@0:     
lbajardsilogic@0:     m_timingTypeCombo = new QComboBox;
lbajardsilogic@0:     m_timingTypeCombo->addItem(tr("Time, in seconds"));
lbajardsilogic@0:     m_timingTypeCombo->addItem(tr("Time, in audio sample frames"));
lbajardsilogic@0:     m_timingTypeCombo->addItem(tr("Data (rows are consecutive in time)"));
lbajardsilogic@0:     layout->addWidget(m_timingTypeCombo, 2, 1, 1, 2);
lbajardsilogic@0:     connect(m_timingTypeCombo, SIGNAL(activated(int)),
lbajardsilogic@0: 	    this, SLOT(timingTypeChanged(int)));
lbajardsilogic@0:     m_timingTypeCombo->setCurrentIndex(m_timingType == ExplicitTiming ?
lbajardsilogic@0:                                        m_timeUnits == TimeSeconds ? 0 : 1 : 2);
lbajardsilogic@0: 
lbajardsilogic@0:     m_sampleRateLabel = new QLabel(tr("Audio sample rate (Hz):"));
lbajardsilogic@0:     layout->addWidget(m_sampleRateLabel, 3, 0);
lbajardsilogic@0:     
lbajardsilogic@0:     size_t sampleRates[] = {
lbajardsilogic@0: 	8000, 11025, 12000, 22050, 24000, 32000,
lbajardsilogic@0: 	44100, 48000, 88200, 96000, 176400, 192000
lbajardsilogic@0:     };
lbajardsilogic@0: 
lbajardsilogic@0:     m_sampleRateCombo = new QComboBox;
lbajardsilogic@0:     m_sampleRate = defaultSampleRate;
lbajardsilogic@0:     for (size_t i = 0; i < sizeof(sampleRates) / sizeof(sampleRates[0]); ++i) {
lbajardsilogic@0: 	m_sampleRateCombo->addItem(QString("%1").arg(sampleRates[i]));
lbajardsilogic@0: 	if (sampleRates[i] == m_sampleRate) m_sampleRateCombo->setCurrentIndex(i);
lbajardsilogic@0:     }
lbajardsilogic@0:     m_sampleRateCombo->setEditable(true);
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(m_sampleRateCombo, 3, 1);
lbajardsilogic@0:     connect(m_sampleRateCombo, SIGNAL(activated(QString)),
lbajardsilogic@0: 	    this, SLOT(sampleRateChanged(QString)));
lbajardsilogic@0:     connect(m_sampleRateCombo, SIGNAL(editTextChanged(QString)),
lbajardsilogic@0: 	    this, SLOT(sampleRateChanged(QString)));
lbajardsilogic@0: 
lbajardsilogic@0:     m_windowSizeLabel = new QLabel(tr("Frame increment between rows:"));
lbajardsilogic@0:     layout->addWidget(m_windowSizeLabel, 4, 0);
lbajardsilogic@0: 
lbajardsilogic@0:     m_windowSizeCombo = new QComboBox;
lbajardsilogic@0:     m_windowSize = 1024;
lbajardsilogic@0:     for (int i = 0; i <= 16; ++i) {
lbajardsilogic@0: 	int value = 1 << i;
lbajardsilogic@0: 	m_windowSizeCombo->addItem(QString("%1").arg(value));
lbajardsilogic@0: 	if (value == int(m_windowSize)) m_windowSizeCombo->setCurrentIndex(i);
lbajardsilogic@0:     }
lbajardsilogic@0:     m_windowSizeCombo->setEditable(true);
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(m_windowSizeCombo, 4, 1);
lbajardsilogic@0:     connect(m_windowSizeCombo, SIGNAL(activated(QString)),
lbajardsilogic@0: 	    this, SLOT(windowSizeChanged(QString)));
lbajardsilogic@0:     connect(m_windowSizeCombo, SIGNAL(editTextChanged(QString)),
lbajardsilogic@0: 	    this, SLOT(windowSizeChanged(QString)));
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(new QLabel(tr("\nExample data from file:")), 5, 0, 1, 4);
lbajardsilogic@0: 
lbajardsilogic@189:     m_exampleWidget = new QTableWidget(MIN(10, m_example.size()), m_maxExampleCols);
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(m_exampleWidget, 6, 0, 1, 4);
lbajardsilogic@0:     layout->setColumnStretch(3, 10);
lbajardsilogic@0:     layout->setRowStretch(4, 10);
lbajardsilogic@0: 
lbajardsilogic@0:     QPushButton *ok = new QPushButton(tr("OK"));
lbajardsilogic@0:     connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
lbajardsilogic@0:     ok->setDefault(true);
lbajardsilogic@0: 
lbajardsilogic@0:     QPushButton *cancel = new QPushButton(tr("Cancel"));
lbajardsilogic@0:     connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
lbajardsilogic@0: 
lbajardsilogic@0:     QHBoxLayout *buttonLayout = new QHBoxLayout;
lbajardsilogic@0:     buttonLayout->addStretch(1);
lbajardsilogic@0:     buttonLayout->addWidget(ok);
lbajardsilogic@0:     buttonLayout->addWidget(cancel);
lbajardsilogic@0: 
lbajardsilogic@0:     QVBoxLayout *mainLayout = new QVBoxLayout;
lbajardsilogic@0:     mainLayout->addLayout(layout);
lbajardsilogic@0:     mainLayout->addLayout(buttonLayout);
lbajardsilogic@0: 
lbajardsilogic@0:     setLayout(mainLayout);
lbajardsilogic@0:     
lbajardsilogic@0:     timingTypeChanged(m_timingTypeCombo->currentIndex());
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: CSVFormatDialog::~CSVFormatDialog()
lbajardsilogic@0: {
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: CSVFormatDialog::populateExample()
lbajardsilogic@0: {
lbajardsilogic@0:     m_exampleWidget->setColumnCount
lbajardsilogic@0: 	(m_timingType == ExplicitTiming ?
lbajardsilogic@0: 	 m_maxExampleCols - 1 : m_maxExampleCols);
lbajardsilogic@0: 
lbajardsilogic@0:     m_exampleWidget->setHorizontalHeaderLabels(QStringList());
lbajardsilogic@0: 
lbajardsilogic@0:     for (int i = 0; i < m_example.size(); ++i) {
lbajardsilogic@0: 	for (int j = 0; j < m_example[i].size(); ++j) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    QTableWidgetItem *item = new QTableWidgetItem(m_example[i][j]);
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (j == 0) {
lbajardsilogic@0: 		if (m_timingType == ExplicitTiming) {
lbajardsilogic@0: 		    m_exampleWidget->setVerticalHeaderItem(i, item);
lbajardsilogic@0: 		    continue;
lbajardsilogic@0: 		} else {
lbajardsilogic@0: 		    QTableWidgetItem *header =
lbajardsilogic@0: 			new QTableWidgetItem(QString("%1").arg(i));
lbajardsilogic@0: 		    header->setFlags(Qt::ItemIsEnabled);
lbajardsilogic@0: 		    m_exampleWidget->setVerticalHeaderItem(i, header);
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	    int index = j;
lbajardsilogic@0: 	    if (m_timingType == ExplicitTiming) --index;
lbajardsilogic@0: 	    item->setFlags(Qt::ItemIsEnabled);
lbajardsilogic@0: 	    m_exampleWidget->setItem(i, index, item);
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: CSVFormatDialog::modelTypeChanged(int type)
lbajardsilogic@0: {
lbajardsilogic@0:     m_modelType = (ModelType)type;
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_modelType == ThreeDimensionalModel) {
lbajardsilogic@0:         // We can't load 3d models with explicit timing, because the 3d
lbajardsilogic@0:         // model is dense so we need a fixed sample increment
lbajardsilogic@0:         m_timingTypeCombo->setCurrentIndex(2);
lbajardsilogic@0:         timingTypeChanged(2);
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: CSVFormatDialog::timingTypeChanged(int type)
lbajardsilogic@0: {
lbajardsilogic@0:     switch (type) {
lbajardsilogic@0: 
lbajardsilogic@0:     case 0:
lbajardsilogic@0: 	m_timingType = ExplicitTiming;
lbajardsilogic@0: 	m_timeUnits = TimeSeconds;
lbajardsilogic@0: 	m_sampleRateCombo->setEnabled(false);
lbajardsilogic@0: 	m_sampleRateLabel->setEnabled(false);
lbajardsilogic@0: 	m_windowSizeCombo->setEnabled(false);
lbajardsilogic@0: 	m_windowSizeLabel->setEnabled(false);
lbajardsilogic@0:         if (m_modelType == ThreeDimensionalModel) {
lbajardsilogic@0:             m_modelTypeCombo->setCurrentIndex(1);
lbajardsilogic@0:             modelTypeChanged(1);
lbajardsilogic@0:         }
lbajardsilogic@0: 	break;
lbajardsilogic@0: 
lbajardsilogic@0:     case 1:
lbajardsilogic@0: 	m_timingType = ExplicitTiming;
lbajardsilogic@0: 	m_timeUnits = TimeAudioFrames;
lbajardsilogic@0: 	m_sampleRateCombo->setEnabled(true);
lbajardsilogic@0: 	m_sampleRateLabel->setEnabled(true);
lbajardsilogic@0: 	m_windowSizeCombo->setEnabled(false);
lbajardsilogic@0: 	m_windowSizeLabel->setEnabled(false);
lbajardsilogic@0:         if (m_modelType == ThreeDimensionalModel) {
lbajardsilogic@0:             m_modelTypeCombo->setCurrentIndex(1);
lbajardsilogic@0:             modelTypeChanged(1);
lbajardsilogic@0:         }
lbajardsilogic@0: 	break;
lbajardsilogic@0: 
lbajardsilogic@0:     case 2:
lbajardsilogic@0: 	m_timingType = ImplicitTiming;
lbajardsilogic@0: 	m_timeUnits = TimeWindows;
lbajardsilogic@0: 	m_sampleRateCombo->setEnabled(true);
lbajardsilogic@0: 	m_sampleRateLabel->setEnabled(true);
lbajardsilogic@0: 	m_windowSizeCombo->setEnabled(true);
lbajardsilogic@0: 	m_windowSizeLabel->setEnabled(true);
lbajardsilogic@0: 	break;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     populateExample();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: CSVFormatDialog::sampleRateChanged(QString rateString)
lbajardsilogic@0: {
lbajardsilogic@0:     bool ok = false;
lbajardsilogic@0:     int sampleRate = rateString.toInt(&ok);
lbajardsilogic@0:     if (ok) m_sampleRate = sampleRate;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: CSVFormatDialog::windowSizeChanged(QString sizeString)
lbajardsilogic@0: {
lbajardsilogic@0:     bool ok = false;
lbajardsilogic@0:     int size = sizeString.toInt(&ok);
lbajardsilogic@0:     if (ok) m_windowSize = size;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: CSVFormatDialog::guessFormat(QFile *file)
lbajardsilogic@0: {
lbajardsilogic@0:     QTextStream in(file);
lbajardsilogic@0:     in.seek(0);
lbajardsilogic@0: 
lbajardsilogic@0:     unsigned int lineno = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     bool nonIncreasingPrimaries = false;
lbajardsilogic@0:     bool nonNumericPrimaries = false;
lbajardsilogic@0:     bool floatPrimaries = false;
lbajardsilogic@0:     bool variableItemCount = false;
lbajardsilogic@0:     int itemCount = 1;
lbajardsilogic@0:     int earliestNonNumericItem = -1;
lbajardsilogic@0: 
lbajardsilogic@0:     float prevPrimary = 0.0;
lbajardsilogic@0: 
lbajardsilogic@0:     m_maxExampleCols = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     while (!in.atEnd()) {
lbajardsilogic@0: 	
lbajardsilogic@0: 	QString line = in.readLine().trimmed();
lbajardsilogic@0: 	if (line.startsWith("#")) continue;
lbajardsilogic@0: 
lbajardsilogic@0: 	if (m_separator == "") {
lbajardsilogic@0: 	    //!!! to do: ask the user
lbajardsilogic@0: 	    if (line.split(",").size() >= 2) m_separator = ",";
lbajardsilogic@0: 	    else if (line.split("\t").size() >= 2) m_separator = "\t";
lbajardsilogic@0: 	    else if (line.split("|").size() >= 2) m_separator = "|";
lbajardsilogic@0: 	    else if (line.split("/").size() >= 2) m_separator = "/";
lbajardsilogic@0: 	    else if (line.split(":").size() >= 2) m_separator = ":";
lbajardsilogic@0: 	    else m_separator = " ";
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	QStringList list = line.split(m_separator);
lbajardsilogic@0: 	QStringList tidyList;
lbajardsilogic@0: 
lbajardsilogic@0: 	for (int i = 0; i < list.size(); ++i) {
lbajardsilogic@0: 	    
lbajardsilogic@0: 	    QString s(list[i]);
lbajardsilogic@0: 	    bool numeric = false;
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (s.length() >= 2 && s.startsWith("\"") && s.endsWith("\"")) {
lbajardsilogic@0: 		s = s.mid(1, s.length() - 2);
lbajardsilogic@0: 	    } else if (s.length() >= 2 && s.startsWith("'") && s.endsWith("'")) {
lbajardsilogic@0: 		s = s.mid(1, s.length() - 2);
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		(void)s.toFloat(&numeric);
lbajardsilogic@0: 	    }
lbajardsilogic@0: 
lbajardsilogic@0: 	    tidyList.push_back(s);
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (lineno == 0 || (list.size() < itemCount)) {
lbajardsilogic@0: 		itemCount = list.size();
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		if (itemCount != list.size()) {
lbajardsilogic@0: 		    variableItemCount = true;
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	    
lbajardsilogic@0: 	    if (i == 0) { // primary
lbajardsilogic@0: 
lbajardsilogic@0: 		if (numeric) {
lbajardsilogic@0: 
lbajardsilogic@0: 		    float primary = s.toFloat();
lbajardsilogic@0: 
lbajardsilogic@0: 		    if (lineno > 0 && primary <= prevPrimary) {
lbajardsilogic@0: 			nonIncreasingPrimaries = true;
lbajardsilogic@0: 		    }
lbajardsilogic@0: 
lbajardsilogic@0: 		    if (s.contains(".") || s.contains(",")) {
lbajardsilogic@0: 			floatPrimaries = true;
lbajardsilogic@0: 		    }
lbajardsilogic@0: 
lbajardsilogic@0: 		    prevPrimary = primary;
lbajardsilogic@0: 
lbajardsilogic@0: 		} else {
lbajardsilogic@0: 		    nonNumericPrimaries = true;
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    } else { // secondary
lbajardsilogic@0: 
lbajardsilogic@0: 		if (!numeric) {
lbajardsilogic@0: 		    if (earliestNonNumericItem < 0 ||
lbajardsilogic@0: 			i < earliestNonNumericItem) {
lbajardsilogic@0: 			earliestNonNumericItem = i;
lbajardsilogic@0: 		    }
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	if (lineno < 10) {
lbajardsilogic@0: 	    m_example.push_back(tidyList);
lbajardsilogic@0: 	    if (lineno == 0 || tidyList.size() > m_maxExampleCols) {
lbajardsilogic@0: 		m_maxExampleCols = tidyList.size();
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	++lineno;
lbajardsilogic@0: 
lbajardsilogic@0: 	if (lineno == 50) break;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     if (nonNumericPrimaries || nonIncreasingPrimaries) {
lbajardsilogic@0: 	
lbajardsilogic@0: 	// Primaries are probably not a series of times
lbajardsilogic@0: 
lbajardsilogic@0: 	m_timingType = ImplicitTiming;
lbajardsilogic@0: 	m_timeUnits = TimeWindows;
lbajardsilogic@0: 	
lbajardsilogic@0: 	if (nonNumericPrimaries) {
lbajardsilogic@0: 	    m_modelType = OneDimensionalModel;
lbajardsilogic@0: 	} else if (itemCount == 1 || variableItemCount ||
lbajardsilogic@0: 		   (earliestNonNumericItem != -1)) {
lbajardsilogic@0: 	    m_modelType = TwoDimensionalModel;
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    m_modelType = ThreeDimensionalModel;
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0:     } else {
lbajardsilogic@0: 
lbajardsilogic@0: 	// Increasing numeric primaries -- likely to be time
lbajardsilogic@0: 
lbajardsilogic@0: 	m_timingType = ExplicitTiming;
lbajardsilogic@0: 
lbajardsilogic@0: 	if (floatPrimaries) {
lbajardsilogic@0: 	    m_timeUnits = TimeSeconds;
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    m_timeUnits = TimeAudioFrames;
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	if (itemCount == 1) {
lbajardsilogic@0: 	    m_modelType = OneDimensionalModel;
lbajardsilogic@0: 	} else if (variableItemCount || (earliestNonNumericItem != -1)) {
lbajardsilogic@0: 	    if (earliestNonNumericItem != -1 && earliestNonNumericItem < 2) {
lbajardsilogic@0: 		m_modelType = OneDimensionalModel;
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		m_modelType = TwoDimensionalModel;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    m_modelType = ThreeDimensionalModel;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     std::cerr << "Estimated model type: " << m_modelType << std::endl;
lbajardsilogic@0:     std::cerr << "Estimated timing type: " << m_timingType << std::endl;
lbajardsilogic@0:     std::cerr << "Estimated units: " << m_timeUnits << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     in.seek(0);
lbajardsilogic@0:     return true;
lbajardsilogic@0: }