diff --git a/src/backend/datasources/filters/AsciiFilter.cpp b/src/backend/datasources/filters/AsciiFilter.cpp index 958d3ab25..9e05f34ab 100644 --- a/src/backend/datasources/filters/AsciiFilter.cpp +++ b/src/backend/datasources/filters/AsciiFilter.cpp @@ -1,1472 +1,1469 @@ /*************************************************************************** File : AsciiFilter.cpp Project : LabPlot Description : ASCII I/O-filter -------------------------------------------------------------------- Copyright : (C) 2009-2017 Stefan Gerlach (stefan.gerlach@uni.kn) Copyright : (C) 2009-2017 Alexander Semke (alexander.semke@web.de) ***************************************************************************/ /*************************************************************************** * * * 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. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #include "backend/datasources/LiveDataSource.h" #include "backend/core/column/Column.h" #include "backend/core/Project.h" #include "backend/datasources/filters/AsciiFilter.h" #include "backend/datasources/filters/AsciiFilterPrivate.h" #include "backend/worksheet/plots/cartesian/CartesianPlot.h" #include "backend/worksheet/plots/cartesian/XYCurve.h" #include "backend/lib/macros.h" #include "backend/lib/trace.h" #include #include #include -#include #include #include /*! \class AsciiFilter \brief Manages the import/export of data organized as columns (vectors) from/to an ASCII-file. \ingroup datasources */ AsciiFilter::AsciiFilter() : AbstractFileFilter(), d(new AsciiFilterPrivate(this)) {} AsciiFilter::~AsciiFilter() {} /*! reads the content of the device \c device. */ void AsciiFilter::readDataFromDevice(QIODevice& device, AbstractDataSource* dataSource, AbstractFileFilter::ImportMode importMode, int lines) { d->readDataFromDevice(device, dataSource, importMode, lines); } void AsciiFilter::readFromLiveDeviceNotFile(QIODevice &device, AbstractDataSource * dataSource) { d->readFromLiveDevice(device, dataSource); } qint64 AsciiFilter::readFromLiveDevice(QIODevice& device, AbstractDataSource* dataSource, qint64 from) { return d->readFromLiveDevice(device, dataSource, from); } /*! reads the content of the file \c fileName. */ QVector AsciiFilter::readDataFromFile(const QString& fileName, AbstractDataSource* dataSource, AbstractFileFilter::ImportMode importMode, int lines) { d->readDataFromFile(fileName, dataSource, importMode, lines); return QVector(); //TODO: remove this later once all read*-functions in the filter classes don't return any preview strings anymore } QVector AsciiFilter::preview(const QString& fileName, int lines) { return d->preview(fileName, lines); } QVector AsciiFilter::preview(QIODevice &device) { return d->preview(device); } /*! reads the content of the file \c fileName to the data source \c dataSource. */ //void AsciiFilter::read(const QString& fileName, AbstractDataSource* dataSource, AbstractFileFilter::ImportMode importMode) { // d->read(fileName, dataSource, importMode); //} /*! writes the content of the data source \c dataSource to the file \c fileName. */ void AsciiFilter::write(const QString& fileName, AbstractDataSource* dataSource) { d->write(fileName, dataSource); // emit() } /*! loads the predefined filter settings for \c filterName */ void AsciiFilter::loadFilterSettings(const QString& filterName) { Q_UNUSED(filterName); } /*! saves the current settings as a new filter with the name \c filterName */ void AsciiFilter::saveFilterSettings(const QString& filterName) const { Q_UNUSED(filterName); } /*! returns the list with the names of all saved (system wide or user defined) filter settings. */ QStringList AsciiFilter::predefinedFilters() { return QStringList(); } /*! returns the list of all predefined separator characters. */ QStringList AsciiFilter::separatorCharacters() { return (QStringList() << "auto" << "TAB" << "SPACE" << "," << ";" << ":" << ",TAB" << ";TAB" << ":TAB" << ",SPACE" << ";SPACE" << ":SPACE"); } /*! returns the list of all predefined comment characters. */ QStringList AsciiFilter::commentCharacters() { return (QStringList() << "#" << "!" << "//" << "+" << "c" << ":" << ";"); } /*! returns the list of all predefined data types. */ QStringList AsciiFilter::dataTypes() { const QMetaObject& mo = AbstractColumn::staticMetaObject; const QMetaEnum& me = mo.enumerator(mo.indexOfEnumerator("ColumnMode")); QStringList list; for (int i = 0; i <= 100; i++) // me.keyCount() does not work because we have holes in enum if (me.valueToKey(i)) list << me.valueToKey(i); return list; } /*! returns the number of columns in the file \c fileName. */ int AsciiFilter::columnNumber(const QString& fileName, const QString& separator) { KFilterDev device(fileName); if (!device.open(QIODevice::ReadOnly)) { DEBUG("Could not open file " << fileName.toStdString() << " for determining number of columns"); return -1; } QString line = device.readLine(); line.remove(QRegExp("[\\n\\r]")); QStringList lineStringList; if (separator.length() > 0) lineStringList = line.split(separator); else lineStringList = line.split(QRegExp("\\s+")); DEBUG("number of columns : " << lineStringList.size()); return lineStringList.size(); } size_t AsciiFilter::lineNumber(const QString& fileName) { KFilterDev device(fileName); if (!device.open(QIODevice::ReadOnly)) { DEBUG("Could not open file " << fileName.toStdString() << " for determining number of lines"); return 0; } size_t lineCount = 0; while (!device.atEnd()) { device.readLine(); lineCount++; } //TODO: wc is much faster but not portable /* QElapsedTimer myTimer; myTimer.start(); QProcess wc; wc.start(QString("wc"), QStringList() << "-l" << fileName); size_t lineCount = 0; while (wc.waitForReadyRead()) lineCount = wc.readLine().split(' ')[0].toInt(); lineCount++; // last line not counted DEBUG(" Elapsed time counting lines : " << myTimer.elapsed() << " ms"); */ return lineCount; } /*! returns the number of lines in the device \c device or 0 if not available. resets the position to 0! */ size_t AsciiFilter::lineNumber(QIODevice &device) { // device.hasReadLine() always returns 0 for KFilterDev! if (device.isSequential()) return 0; size_t lineCount = 0; device.seek(0); while (!device.atEnd()) { device.readLine(); lineCount++; } device.seek(0); return lineCount; } void AsciiFilter::setCommentCharacter(const QString& s) { d->commentCharacter = s; } QString AsciiFilter::commentCharacter() const { return d->commentCharacter; } void AsciiFilter::setSeparatingCharacter(const QString& s) { d->separatingCharacter = s; } QString AsciiFilter::separatingCharacter() const { return d->separatingCharacter; } void AsciiFilter::setDateTimeFormat(const QString &f) { d->dateTimeFormat = f; } QString AsciiFilter::dateTimeFormat() const { return d->dateTimeFormat; } void AsciiFilter::setNumberFormat(QLocale::Language lang) { d->numberFormat = lang; } QLocale::Language AsciiFilter::numberFormat() const { return d->numberFormat; } void AsciiFilter::setAutoModeEnabled(const bool b) { d->autoModeEnabled = b; } bool AsciiFilter::isAutoModeEnabled() const { return d->autoModeEnabled; } void AsciiFilter::setHeaderEnabled(const bool b) { d->headerEnabled = b; } bool AsciiFilter::isHeaderEnabled() const { return d->headerEnabled; } void AsciiFilter::setSkipEmptyParts(const bool b) { d->skipEmptyParts = b; } bool AsciiFilter::skipEmptyParts() const { return d->skipEmptyParts; } void AsciiFilter::setCreateIndexEnabled(bool b) { d->createIndexEnabled = b; } void AsciiFilter::setSimplifyWhitespacesEnabled(bool b) { d->simplifyWhitespacesEnabled = b; } bool AsciiFilter::simplifyWhitespacesEnabled() const { return d->simplifyWhitespacesEnabled; } void AsciiFilter::setNaNValueToZero(bool b) { if (b) d->nanValue = 0; else d->nanValue = NAN; } bool AsciiFilter::NaNValueToZeroEnabled() const { if (d->nanValue == 0) return true; return false; } void AsciiFilter::setRemoveQuotesEnabled(bool b) { d->removeQuotesEnabled = b; } bool AsciiFilter::removeQuotesEnabled() const { return d->removeQuotesEnabled; } void AsciiFilter::setVectorNames(const QString s) { d->vectorNames = s.simplified().split(' '); } QStringList AsciiFilter::vectorNames() const { return d->vectorNames; } QVector AsciiFilter::columnModes() { return d->columnModes; } void AsciiFilter::setStartRow(const int r) { d->startRow = r; } int AsciiFilter::startRow() const { return d->startRow; } void AsciiFilter::setEndRow(const int r) { d->endRow = r; } int AsciiFilter::endRow() const { return d->endRow; } void AsciiFilter::setStartColumn(const int c) { d->startColumn = c; } int AsciiFilter::startColumn() const { return d->startColumn; } void AsciiFilter::setEndColumn(const int c) { d->endColumn = c; } int AsciiFilter::endColumn() const { return d->endColumn; } //##################################################################### //################### Private implementation ########################## //##################################################################### AsciiFilterPrivate::AsciiFilterPrivate(AsciiFilter* owner) : q(owner), commentCharacter("#"), separatingCharacter("auto"), autoModeEnabled(true), headerEnabled(true), skipEmptyParts(false), simplifyWhitespacesEnabled(true), nanValue(NAN), removeQuotesEnabled(false), createIndexEnabled(false), startRow(1), endRow(-1), startColumn(1), endColumn(-1), m_prepared(false), m_columnOffset(0) { } QStringList AsciiFilterPrivate::getLineString(QIODevice& device) { QString line; do { // skip comment lines in data lines line = device.readLine(); } while (line.startsWith(commentCharacter)); line.remove(QRegExp("[\\n\\r]")); // remove any newline if (simplifyWhitespacesEnabled) line = line.simplified(); DEBUG("data line : \'" << line.toStdString() << '\''); QStringList lineStringList = line.split(m_separator, QString::SkipEmptyParts); //TODO: remove quotes here? QDEBUG("data line, parsed: " << lineStringList); return lineStringList; } - /*! +/*! * returns -1 if the device couldn't be opened, 1 if the current read position in the device is at the end and 0 otherwise. */ int AsciiFilterPrivate::prepareDeviceToRead(QIODevice& device) { + DEBUG("device is sequential = " << device.isSequential()); + if (!device.open(QIODevice::ReadOnly)) return -1; if (device.atEnd() && !device.isSequential()) // empty file return 1; - DEBUG("device is sequential = " << device.isSequential()); ///////////////////////////////////////////////////////////////// // Parse the first line: // Determine the number of columns, create the columns and use (if selected) the first row to name them QString firstLine; do { // skip comment lines firstLine = device.readLine(); if (device.atEnd()) { if (device.isSequential()) break; else return 1; } } while (firstLine.startsWith(commentCharacter)); DEBUG(" device position after first line and comments = " << device.pos()); firstLine.remove(QRegExp("[\\n\\r]")); // remove any newline if (simplifyWhitespacesEnabled) firstLine = firstLine.simplified(); DEBUG("First line: \'" << firstLine.toStdString() << '\''); // determine separator and split first line QStringList firstLineStringList; if (separatingCharacter == "auto") { DEBUG("automatic separator"); QRegExp regExp("(\\s+)|(,\\s+)|(;\\s+)|(:\\s+)"); firstLineStringList = firstLine.split(regExp, QString::SkipEmptyParts); if (!firstLineStringList.isEmpty()) { int length1 = firstLineStringList.at(0).length(); if (firstLineStringList.size() > 1) { int pos2 = firstLine.indexOf(firstLineStringList.at(1), length1); m_separator = firstLine.mid(length1, pos2 - length1); } else { //old: separator = line.right(line.length() - length1); m_separator = ' '; } } } else { // use given separator // replace symbolic "TAB" with '\t' m_separator = separatingCharacter.replace(QLatin1String("TAB"), "\t", Qt::CaseInsensitive); // replace symbolic "SPACE" with ' ' m_separator = m_separator.replace(QLatin1String("SPACE"), QLatin1String(" "), Qt::CaseInsensitive); firstLineStringList = firstLine.split(m_separator, QString::SkipEmptyParts); } DEBUG("separator: \'" << m_separator.toStdString() << '\''); DEBUG("number of columns: " << firstLineStringList.size()); DEBUG("headerEnabled = " << headerEnabled); if (headerEnabled) { // use first line to name vectors vectorNames = firstLineStringList; QDEBUG("vector names =" << vectorNames); startRow++; } // set range to read if (endColumn == -1) { if (headerEnabled) endColumn = firstLineStringList.size(); // last column else endColumn = vectorNames.size(); //number of vector names provided in the import dialog } if (createIndexEnabled) { vectorNames.prepend("index"); endColumn++; } m_actualCols = endColumn - startColumn + 1; //TEST: readline-seek-readline fails /* qint64 testpos = device.pos(); DEBUG("read data line @ pos " << testpos << " : " << device.readLine().toStdString()); device.seek(testpos); testpos = device.pos(); DEBUG("read data line again @ pos " << testpos << " : " << device.readLine().toStdString()); */ // ATTENTION: This resets the position in the device to 0 m_actualRows = AsciiFilter::lineNumber(device); ///////////////////////////////////////////////////////////////// // Find first data line (ignoring comment lines) DEBUG("Skipping " << startRow - 1 << " lines"); for (int i = 0; i < startRow - 1; ++i) { QString line = device.readLine(); if (device.atEnd()) { if (device.isSequential()) break; else return 1; } if (line.startsWith(commentCharacter)) // ignore commented lines before startRow i--; } // parse first data line to determine data type for each column if (!device.isSequential()) firstLineStringList = getLineString(device); columnModes.resize(m_actualCols); int col = 0; if (createIndexEnabled) { columnModes[0] = AbstractColumn::Integer; col = 1; } for (const auto& valueString: firstLineStringList) { // parse columns available in first data line if (col == m_actualCols) break; columnModes[col++] = AbstractFileFilter::columnMode(valueString, dateTimeFormat, numberFormat); } // parsing more lines to better determine data types for (unsigned int i = 0; i < m_dataTypeLines; i++) { firstLineStringList = getLineString(device); if (createIndexEnabled) col = 1; else col = 0; for (const auto& valueString: firstLineStringList) { if (col == m_actualCols) break; AbstractColumn::ColumnMode mode = AbstractFileFilter::columnMode(valueString, dateTimeFormat, numberFormat); // numeric: integer -> numeric if (mode == AbstractColumn::Numeric && columnModes[col] == AbstractColumn::Integer) columnModes[col] = mode; // text: non text -> text if (mode == AbstractColumn::Text && columnModes[col] != AbstractColumn::Text) columnModes[col] = mode; col++; } } QDEBUG("column modes = " << columnModes); // reset to start of file if (!device.isSequential()) device.seek(0); ///////////////////////////////////////////////////////////////// int actualEndRow = endRow; DEBUG("endRow = " << endRow); if (endRow == -1 || endRow > m_actualRows) actualEndRow = m_actualRows; if (m_actualRows > actualEndRow) m_actualRows = actualEndRow; DEBUG("start/end column: " << startColumn << ' ' << endColumn); DEBUG("start/end row: " << startRow << ' ' << actualEndRow); DEBUG("actual cols/rows (w/o header incl. start rows): " << m_actualCols << ' ' << m_actualRows); if (m_actualRows == 0 && !device.isSequential()) return 1; return 0; } /*! reads the content of the file \c fileName to the data source \c dataSource. Uses the settings defined in the data source. */ void AsciiFilterPrivate::readDataFromFile(const QString& fileName, AbstractDataSource* dataSource, AbstractFileFilter::ImportMode importMode, int lines) { DEBUG("AsciiFilterPrivate::readDataFromFile(): fileName = \'" << fileName.toStdString() << "\', dataSource = " << dataSource << ", mode = " << ENUM_TO_STRING(AbstractFileFilter, ImportMode, importMode) << ", lines = " << lines); KFilterDev device(fileName); readDataFromDevice(device, dataSource, importMode, lines); } qint64 AsciiFilterPrivate::readFromLiveDevice(QIODevice& device, AbstractDataSource* dataSource, qint64 from) { if (!(device.bytesAvailable() > 0)) { DEBUG("No new data available"); return 0; } Q_ASSERT(dataSource != nullptr); LiveDataSource* spreadsheet = dynamic_cast(dataSource); if (spreadsheet->sourceType() != LiveDataSource::SourceType::FileOrPipe) if (device.isSequential() && device.bytesAvailable() < (int)sizeof(quint16)) return 0; if (!m_prepared) { const int deviceError = prepareDeviceToRead(device); if (deviceError != 0) { DEBUG("Device error = " << deviceError); return 0; } // prepare import for spreadsheet spreadsheet->setUndoAware(false); spreadsheet->resize(AbstractFileFilter::Replace, vectorNames, m_actualCols); qDebug() << "fds resized to col: " << m_actualCols; qDebug() << "fds rowCount: " << spreadsheet->rowCount(); //columns in a file data source don't have any manual changes. //make the available columns undo unaware and suppress the "data changed" signal. //data changes will be propagated via an explicit Column::setChanged() call once new data was read. for (int i = 0; i < spreadsheet->childCount(); i++) { spreadsheet->child(i)->setUndoAware(false); spreadsheet->child(i)->setSuppressDataChangedSignal(true); } //also here we need a cheaper version of this if (!spreadsheet->keepLastValues()) spreadsheet->setRowCount(m_actualRows > 1 ? m_actualRows : 1); else { spreadsheet->setRowCount(spreadsheet->keepNvalues()); m_actualRows = spreadsheet->keepNvalues(); } m_dataContainer.resize(m_actualCols); for (int n = 0; n < m_actualCols; n++) { // data() returns a void* which is a pointer to any data type (see ColumnPrivate.cpp) spreadsheet->child(n)->setColumnMode(columnModes[n]); switch (columnModes[n]) { case AbstractColumn::Numeric: { QVector* vector = static_cast* >(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } case AbstractColumn::Integer: { QVector* vector = static_cast* >(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } case AbstractColumn::Text: { QVector* vector = static_cast*>(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } case AbstractColumn::DateTime: { QVector* vector = static_cast* >(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } //TODO case AbstractColumn::Month: case AbstractColumn::Day: break; } } qDebug() << "prepared!"; } qint64 bytesread = 0; #ifdef PERFTRACE_LIVE_IMPORT PERFTRACE("AsciiLiveDataImportTotal: "); #endif LiveDataSource::ReadingType readingType; if (!m_prepared) readingType = LiveDataSource::ReadingType::TillEnd; else { //we have to read all the data when reading from end //so we set readingType to TillEnd if (spreadsheet->readingType() == LiveDataSource::ReadingType::FromEnd) readingType = LiveDataSource::ReadingType::TillEnd; else readingType = spreadsheet->readingType(); } //move to the last read position, from == total bytes read //since the other source types are sequencial we cannot seek on them if (spreadsheet->sourceType() == LiveDataSource::SourceType::FileOrPipe) device.seek(from); qDebug() <<"available bytes: " << device.bytesAvailable(); //count the new lines, increase actualrows on each //now we read all the new lines, if we want to use sample rate //then here we can do it, if we have actually sample rate number of lines :-? int newLinesForSampleRateNotTillEnd = 0; int newLinesTillEnd = 0; QVector newData; if (readingType != LiveDataSource::ReadingType::TillEnd) { newData.reserve(spreadsheet->sampleRate()); newData.resize(spreadsheet->sampleRate()); } int newDataIdx = 0; { #ifdef PERFTRACE_LIVE_IMPORT PERFTRACE("AsciiLiveDataImportReadingFromFile: "); #endif while (!device.atEnd()) { if (readingType != LiveDataSource::ReadingType::TillEnd) newData[newDataIdx++] = device.readLine(); else newData.push_back(device.readLine()); newLinesTillEnd++; if (readingType != LiveDataSource::ReadingType::TillEnd) { newLinesForSampleRateNotTillEnd++; //for Continous reading and FromEnd we read sample rate number of lines if possible if (newLinesForSampleRateNotTillEnd == spreadsheet->sampleRate()) break; } } } //now we reset the readingType if (spreadsheet->readingType() == LiveDataSource::ReadingType::FromEnd) readingType = spreadsheet->readingType(); //we had less new lines than the sample rate specified if (readingType != LiveDataSource::ReadingType::TillEnd) qDebug() << "Removed empty lines: " << newData.removeAll(""); //back to the last read position before counting when reading from files if (spreadsheet->sourceType() == LiveDataSource::SourceType::FileOrPipe) device.seek(from); const int spreadsheetRowCountBeforeResize = spreadsheet->rowCount(); int currentRow; // indexes the position in the vector(column) int linesToRead; if (!m_prepared) linesToRead = newLinesTillEnd; if (m_prepared) { //increase row count if we don't have a fixed size //but only after the preparation step if (!spreadsheet->keepLastValues()) { if (readingType != LiveDataSource::ReadingType::TillEnd) m_actualRows += qMin(newData.size(), spreadsheet->sampleRate()); else m_actualRows += newData.size(); } //fixed size if (spreadsheet->keepLastValues()) { if (readingType == LiveDataSource::ReadingType::TillEnd) { //we had more lines than the fixed size, so we read m_actualRows number of lines if (newLinesTillEnd > m_actualRows) { linesToRead = m_actualRows; //TODO after reading we should skip the next data lines //because it's TillEnd actually } else linesToRead = newLinesTillEnd; } else { //we read max sample rate number of lines when the reading mode //is ContinouslyFixed or FromEnd linesToRead = qMin(spreadsheet->sampleRate(), newLinesTillEnd); } } else { //appending linesToRead = m_actualRows - spreadsheetRowCountBeforeResize; } } if (m_prepared && (linesToRead == 0)) return 0; //new rows/resize columns if we don't have a fixed size //TODO if the user changes this value..m_resizedToFixedSize..setResizedToFixedSize if (!spreadsheet->keepLastValues()) { #ifdef PERFTRACE_LIVE_IMPORT PERFTRACE("AsciiLiveDataImportResizing: "); #endif if (spreadsheet->rowCount() < m_actualRows) spreadsheet->setRowCount(m_actualRows); if (!m_prepared) currentRow = 0; else { // indexes the position in the vector(column) currentRow = spreadsheetRowCountBeforeResize; } // if we have fixed size, we do this only once in preparation, here we can use // m_prepared and we need something to decide whether it has a fixed size or increasing for (int n = 0; n < m_actualCols; n++) { // data() returns a void* which is a pointer to any data type (see ColumnPrivate.cpp) switch (columnModes[n]) { case AbstractColumn::Numeric: { QVector* vector = static_cast* >(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } case AbstractColumn::Integer: { QVector* vector = static_cast* >(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } case AbstractColumn::Text: { QVector* vector = static_cast*>(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } case AbstractColumn::DateTime: { QVector* vector = static_cast* >(spreadsheet->child(n)->data()); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[n] = static_cast(vector); break; } //TODO case AbstractColumn::Month: case AbstractColumn::Day: break; } } } else { //when we have a fixed size we have to pop sampleRate number of lines if specified //here popping, setting currentRow if (!m_prepared) currentRow = m_actualRows - qMin(newLinesTillEnd, m_actualRows); else { if (readingType == LiveDataSource::ReadingType::TillEnd) { if (newLinesTillEnd > m_actualRows) currentRow = 0; else currentRow = m_actualRows - newLinesTillEnd; } else { //we read max sample rate number of lines when the reading mode //is ContinouslyFixed or FromEnd currentRow = m_actualRows - qMin(spreadsheet->sampleRate(), newLinesTillEnd); } } if (m_prepared) { #ifdef PERFTRACE_LIVE_IMPORT PERFTRACE("AsciiLiveDataImportPopping: "); #endif for (int row = 0; row < linesToRead; ++row) { for (int col = 0; col < m_actualCols; ++col) { switch (columnModes[col]) { case AbstractColumn::Numeric: { QVector* vector = static_cast* >(spreadsheet->child(col)->data()); vector->pop_front(); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[col] = static_cast(vector); break; } case AbstractColumn::Integer: { QVector* vector = static_cast* >(spreadsheet->child(col)->data()); vector->pop_front(); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[col] = static_cast(vector); break; } case AbstractColumn::Text: { QVector* vector = static_cast*>(spreadsheet->child(col)->data()); vector->pop_front(); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[col] = static_cast(vector); break; } case AbstractColumn::DateTime: { QVector* vector = static_cast* >(spreadsheet->child(col)->data()); vector->pop_front(); vector->reserve(m_actualRows); vector->resize(m_actualRows); m_dataContainer[col] = static_cast(vector); break; } //TODO case AbstractColumn::Month: case AbstractColumn::Day: break; } } } } } // from the last row we read the new data in the spreadsheet qDebug() << "reading from line: " << currentRow << " lines till end: " << newLinesTillEnd; qDebug() << "Lines to read: " << linesToRead <<" actual rows: " << m_actualRows; newDataIdx = 0; if (readingType == LiveDataSource::ReadingType::FromEnd) { if (m_prepared) { if (newData.size() > spreadsheet->sampleRate()) newDataIdx = newData.size() - spreadsheet->sampleRate(); //since we skip a couple of lines, we need to count those bytes too for (int i = 0; i < newDataIdx; ++i) bytesread += newData.at(i).size(); } } qDebug() << "newDataIdx: " << newDataIdx; //TODO static int indexColumnIdx = 0; { #ifdef PERFTRACE_LIVE_IMPORT PERFTRACE("AsciiLiveDataImportFillingContainers: "); #endif for (int i = 0; i < linesToRead; ++i) { QString line; if (readingType == LiveDataSource::ReadingType::FromEnd) line = newData.at(newDataIdx++); else line = newData.at(i); if (spreadsheet->sourceType() == LiveDataSource::SourceType::FileOrPipe) bytesread += line.size(); //qDebug() << "line bytes: " << line.size() << " line: " << line; //qDebug() << "reading in row: " << currentRow; if (simplifyWhitespacesEnabled) line = line.simplified(); if (line.isEmpty() || line.startsWith(commentCharacter)) // skip empty or commented lines continue; QLocale locale(numberFormat); QStringList lineStringList = line.split(m_separator, QString::SkipEmptyParts); if (createIndexEnabled) { if (spreadsheet->keepLastValues()) lineStringList.prepend(QString::number(indexColumnIdx++)); else lineStringList.prepend(QString::number(currentRow)); } for (int n = 0; n < m_actualCols; ++n) { if (n < lineStringList.size()) { QString valueString = lineStringList.at(n); // set value depending on data type switch (columnModes[n]) { case AbstractColumn::Numeric: { bool isNumber; const double value = locale.toDouble(valueString, &isNumber); static_cast*>(m_dataContainer[n])->operator[](currentRow) = (isNumber ? value : nanValue); //qDebug() << "dataContainer[" << n << "] size:" << static_cast*>(m_dataContainer[n])->size(); break; } case AbstractColumn::Integer: { bool isNumber; const int value = locale.toInt(valueString, &isNumber); static_cast*>(m_dataContainer[n])->operator[](currentRow) = (isNumber ? value : 0); //qDebug() << "dataContainer[" << n << "] size:" << static_cast*>(m_dataContainer[n])->size(); break; } case AbstractColumn::DateTime: { const QDateTime valueDateTime = QDateTime::fromString(valueString, dateTimeFormat); static_cast*>(m_dataContainer[n])->operator[](currentRow) = valueDateTime.isValid() ? valueDateTime : QDateTime(); break; } case AbstractColumn::Text: if (removeQuotesEnabled) valueString.remove(QRegExp("[\"\']")); static_cast*>(m_dataContainer[n])->operator[](currentRow) = valueString; break; case AbstractColumn::Month: //TODO break; case AbstractColumn::Day: //TODO break; } } else { // missing columns in this line switch (columnModes[n]) { case AbstractColumn::Numeric: static_cast*>(m_dataContainer[n])->operator[](currentRow) = nanValue; break; case AbstractColumn::Integer: static_cast*>(m_dataContainer[n])->operator[](currentRow) = 0; break; case AbstractColumn::DateTime: static_cast*>(m_dataContainer[n])->operator[](currentRow) = QDateTime(); break; case AbstractColumn::Text: static_cast*>(m_dataContainer[n])->operator[](currentRow) = ""; break; case AbstractColumn::Month: //TODO break; case AbstractColumn::Day: //TODO break; } } } currentRow++; } } if (m_prepared) { //notify all affected columns and plots about the changes PERFTRACE("AsciiLiveDataImport, notify affected columns and plots"); const Project* project = spreadsheet->project(); QVector curves = project->children(AbstractAspect::Recursive); QVector plots; for (int n = 0; n < m_actualCols; ++n) { Column* column = spreadsheet->column(n); //determine the plots where the column is consumed for (const auto* curve: curves) { if (curve->xColumn() == column || curve->yColumn() == column) { CartesianPlot* plot = dynamic_cast(curve->parentAspect()); if (plots.indexOf(plot) == -1) { plots << plot; plot->setSuppressDataChangedSignal(true); } } } column->setChanged(); } //loop over all affected plots and retransform them for (auto* plot: plots) { //TODO setting this back to true triggers again a lot of retransforms in the plot (one for each curve). // plot->setSuppressDataChangedSignal(false); plot->dataChanged(); } } m_prepared = true; return bytesread; } /*! reads the content of device \c device to the data source \c dataSource. Uses the settings defined in the data source. */ void AsciiFilterPrivate::readDataFromDevice(QIODevice& device, AbstractDataSource* dataSource, AbstractFileFilter::ImportMode importMode, int lines) { DEBUG("AsciiFilterPrivate::readDataFromDevice(): dataSource = " << dataSource << ", mode = " << ENUM_TO_STRING(AbstractFileFilter, ImportMode, importMode) << ", lines = " << lines); Q_ASSERT(dataSource != nullptr); if (!m_prepared) { const int deviceError = prepareDeviceToRead(device); - if (deviceError != 0) + if (deviceError != 0) { DEBUG("Device error = " << deviceError); - - if (deviceError == 1 && importMode == AbstractFileFilter::Replace && dataSource) - dataSource->clear(); - if (deviceError) return; + } // matrix data has only one column mode (which is not text) if (dynamic_cast(dataSource)) { auto mode = columnModes[0]; (mode == AbstractColumn::Text) ? mode = AbstractColumn::Numeric : 0; for (auto& c: columnModes) (c != mode) ? c = mode : 0; } m_columnOffset = dataSource->prepareImport(m_dataContainer, importMode, m_actualRows - startRow + 1, m_actualCols, vectorNames, columnModes); m_prepared = true; } DEBUG("locale = " << QLocale::languageToString(numberFormat).toStdString()); QLocale locale(numberFormat); // Read the data int currentRow = 0; // indexes the position in the vector(column) if (lines == -1) lines = m_actualRows; DEBUG("reading " << qMin(lines, m_actualRows) << " lines"); for (int i = 0; i < qMin(lines, m_actualRows); i++) { QString line = device.readLine(); line.remove(QRegExp("[\\n\\r]")); // remove any newline if (simplifyWhitespacesEnabled) line = line.simplified(); if (line.isEmpty() || line.startsWith(commentCharacter)) // skip empty or commented lines continue; if (startRow > 1) { // skip start lines startRow--; continue; } QStringList lineStringList = line.split(m_separator, QString::SkipEmptyParts); //prepend the index if required //TODO: come up maybe with a solution with adding the index inside of the loop below, //without conversion to string, prepending to the list and then conversion back to integer. if (createIndexEnabled) lineStringList.prepend(QString::number(i+1)); for (int n = 0; n < m_actualCols; n++) { if (n < lineStringList.size()) { QString valueString = lineStringList.at(n); // set value depending on data type switch (columnModes[n]) { case AbstractColumn::Numeric: { bool isNumber; const double value = locale.toDouble(valueString, &isNumber); static_cast*>(m_dataContainer[n])->operator[](currentRow) = (isNumber ? value : nanValue); break; } case AbstractColumn::Integer: { bool isNumber; const int value = locale.toInt(valueString, &isNumber); static_cast*>(m_dataContainer[n])->operator[](currentRow) = (isNumber ? value : 0); break; } case AbstractColumn::DateTime: { const QDateTime valueDateTime = QDateTime::fromString(valueString, dateTimeFormat); static_cast*>(m_dataContainer[n])->operator[](currentRow) = valueDateTime.isValid() ? valueDateTime : QDateTime(); break; } case AbstractColumn::Text: if (removeQuotesEnabled) valueString.remove(QRegExp("[\"\']")); static_cast*>(m_dataContainer[n])->operator[](currentRow) = valueString; break; case AbstractColumn::Month: // never happens case AbstractColumn::Day: break; } } else { // missing columns in this line switch (columnModes[n]) { case AbstractColumn::Numeric: static_cast*>(m_dataContainer[n])->operator[](currentRow) = nanValue; break; case AbstractColumn::Integer: static_cast*>(m_dataContainer[n])->operator[](currentRow) = 0; break; case AbstractColumn::DateTime: static_cast*>(m_dataContainer[n])->operator[](currentRow) = QDateTime(); break; case AbstractColumn::Text: static_cast*>(m_dataContainer[n])->operator[](currentRow) = ""; break; case AbstractColumn::Month: // never happens case AbstractColumn::Day: break; } } } currentRow++; emit q->completed(100 * currentRow/m_actualRows); } dataSource->finalizeImport(m_columnOffset, startColumn, endColumn, dateTimeFormat, importMode); } QVector AsciiFilterPrivate::preview(QIODevice &device) { QVector dataStrings; if (!(device.bytesAvailable() > 0)) { DEBUG("No new data available"); return dataStrings; } if (device.isSequential() && device.bytesAvailable() < (int)sizeof(quint16)) return dataStrings; #ifdef PERFTRACE_LIVE_IMPORT PERFTRACE("AsciiLiveDataImportTotal: "); #endif int linesToRead = 0; QVector newData; while (!device.atEnd()) { newData.push_back(device.readLine()); linesToRead++; } if (linesToRead == 0) return dataStrings; int col = 0; int colMax = newData.at(0).size(); if (createIndexEnabled) colMax++; columnModes.resize(colMax); if (createIndexEnabled) { columnModes[0] = AbstractColumn::ColumnMode::Integer; col = 1; vectorNames.prepend("index"); } if (headerEnabled) { int i = 0; if (createIndexEnabled) i = 1; for (; i < vectorNames.size(); ++i) vectorNames[i] = "Column " + QString::number(i); } for (const auto& valueString: newData.at(0).split(' ', QString::SkipEmptyParts)) { if (col == colMax) break; columnModes[col++] = AbstractFileFilter::columnMode(valueString, dateTimeFormat, numberFormat); } for (int i = 0; i < linesToRead; ++i) { QString line = newData.at(i); if (simplifyWhitespacesEnabled) line = line.simplified(); if (line.isEmpty() || line.startsWith(commentCharacter)) // skip empty or commented lines continue; QLocale locale(numberFormat); QStringList lineStringList = line.split(' ', QString::SkipEmptyParts); if (createIndexEnabled) lineStringList.prepend(QString::number(i)); QStringList lineString; for (int n = 0; n < lineStringList.size(); n++) { if (n < lineStringList.size()) { QString valueString = lineStringList.at(n); switch (columnModes[n]) { case AbstractColumn::Numeric: { bool isNumber; const double value = locale.toDouble(valueString, &isNumber); lineString += QString::number(isNumber ? value : nanValue); break; } case AbstractColumn::Integer: { bool isNumber; const int value = locale.toInt(valueString, &isNumber); lineString += QString::number(isNumber ? value : 0); break; } case AbstractColumn::DateTime: { const QDateTime valueDateTime = QDateTime::fromString(valueString, dateTimeFormat); lineString += valueDateTime.isValid() ? valueDateTime.toString(dateTimeFormat) : QLatin1String(" "); break; } case AbstractColumn::Text: if (removeQuotesEnabled) valueString.remove(QRegExp("[\"\']")); lineString += valueString; break; case AbstractColumn::Month: // never happens case AbstractColumn::Day: break; } } else // missing columns in this line lineString += QLatin1String(""); } dataStrings << lineString; } return dataStrings; } /*! * generates the preview for the file \c fileName reading the provided number of \c lines. */ QVector AsciiFilterPrivate::preview(const QString& fileName, int lines) { QVector dataStrings; KFilterDev device(fileName); const int deviceError = prepareDeviceToRead(device); if (deviceError != 0) { DEBUG("Device error = " << deviceError); return dataStrings; } //number formatting DEBUG("locale = " << QLocale::languageToString(numberFormat).toStdString()); QLocale locale(numberFormat); // Read the data if (lines == -1) lines = m_actualRows; DEBUG("generating preview for " << qMin(lines, m_actualRows) << " lines"); for (int i = 0; i < qMin(lines, m_actualRows); i++) { QString line = device.readLine(); line.remove(QRegExp("[\\n\\r]")); // remove any newline if (simplifyWhitespacesEnabled) line = line.simplified(); if (line.isEmpty() || line.startsWith(commentCharacter)) // skip empty or commented lines continue; if (startRow > 1) { // skip start lines startRow--; continue; } QStringList lineStringList = line.split(m_separator, QString::SkipEmptyParts); //prepend index if required if (createIndexEnabled) lineStringList.prepend(QString::number(i+1)); QStringList lineString; for (int n = 0; n < m_actualCols; n++) { if (n < lineStringList.size()) { QString valueString = lineStringList.at(n); // set value depending on data type switch (columnModes[n]) { case AbstractColumn::Numeric: { bool isNumber; const double value = locale.toDouble(valueString, &isNumber); lineString += QString::number(isNumber ? value : nanValue); break; } case AbstractColumn::Integer: { bool isNumber; const int value = locale.toInt(valueString, &isNumber); lineString += QString::number(isNumber ? value : 0); break; } case AbstractColumn::DateTime: { const QDateTime valueDateTime = QDateTime::fromString(valueString, dateTimeFormat); lineString += valueDateTime.isValid() ? valueDateTime.toString(dateTimeFormat) : QLatin1String(" "); break; } case AbstractColumn::Text: if (removeQuotesEnabled) valueString.remove(QRegExp("[\"\']")); lineString += valueString; break; case AbstractColumn::Month: // never happens case AbstractColumn::Day: break; } } else // missing columns in this line lineString += QLatin1String(""); } dataStrings << lineString; } return dataStrings; } /*! writes the content of \c dataSource to the file \c fileName. */ void AsciiFilterPrivate::write(const QString & fileName, AbstractDataSource* dataSource) { Q_UNUSED(fileName); Q_UNUSED(dataSource); //TODO: save data to ascii file } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## /*! Saves as XML. */ void AsciiFilter::save(QXmlStreamWriter* writer) const { writer->writeStartElement( "asciiFilter"); writer->writeAttribute( "commentCharacter", d->commentCharacter); writer->writeAttribute( "separatingCharacter", d->separatingCharacter); writer->writeAttribute( "autoMode", QString::number(d->autoModeEnabled)); writer->writeAttribute( "createIndex", QString::number(d->createIndexEnabled)); writer->writeAttribute( "header", QString::number(d->headerEnabled)); writer->writeAttribute( "vectorNames", d->vectorNames.join(' ')); writer->writeAttribute( "skipEmptyParts", QString::number(d->skipEmptyParts)); writer->writeAttribute( "simplifyWhitespaces", QString::number(d->simplifyWhitespacesEnabled)); writer->writeAttribute( "nanValue", QString::number(d->nanValue)); writer->writeAttribute( "removeQuotes", QString::number(d->removeQuotesEnabled)); writer->writeAttribute( "startRow", QString::number(d->startRow)); writer->writeAttribute( "endRow", QString::number(d->endRow)); writer->writeAttribute( "startColumn", QString::number(d->startColumn)); writer->writeAttribute( "endColumn", QString::number(d->endColumn)); writer->writeEndElement(); } /*! Loads from XML. */ bool AsciiFilter::load(XmlStreamReader* reader) { if (!reader->isStartElement() || reader->name() != "asciiFilter") { reader->raiseError(i18n("no ascii filter element found")); return false; } QString attributeWarning = i18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs = reader->attributes(); QString str = attribs.value("commentCharacter").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'commentCharacter'")); else d->commentCharacter = str; str = attribs.value("separatingCharacter").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'separatingCharacter'")); else d->separatingCharacter = str; str = attribs.value("createIndex").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'createIndex'")); else d->createIndexEnabled = str.toInt(); str = attribs.value("autoMode").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'autoMode'")); else d->autoModeEnabled = str.toInt(); str = attribs.value("header").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'header'")); else d->headerEnabled = str.toInt(); str = attribs.value("vectorNames").toString(); d->vectorNames = str.split(' '); //may be empty str = attribs.value("simplifyWhitespaces").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'simplifyWhitespaces'")); else d->simplifyWhitespacesEnabled = str.toInt(); str = attribs.value("nanValue").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'nanValue'")); else d->nanValue = str.toDouble(); str = attribs.value("removeQuotes").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'removeQuotes'")); else d->removeQuotesEnabled = str.toInt(); str = attribs.value("skipEmptyParts").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'skipEmptyParts'")); else d->skipEmptyParts = str.toInt(); str = attribs.value("startRow").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'startRow'")); else d->startRow = str.toInt(); str = attribs.value("endRow").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'endRow'")); else d->endRow = str.toInt(); str = attribs.value("startColumn").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'startColumn'")); else d->startColumn = str.toInt(); str = attribs.value("endColumn").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'endColumn'")); else d->endColumn = str.toInt(); return true; } diff --git a/src/kdefrontend/datasources/ImportFileDialog.cpp b/src/kdefrontend/datasources/ImportFileDialog.cpp index 984371b9b..a0ff3f2eb 100644 --- a/src/kdefrontend/datasources/ImportFileDialog.cpp +++ b/src/kdefrontend/datasources/ImportFileDialog.cpp @@ -1,401 +1,406 @@ /*************************************************************************** File : ImportDialog.cc Project : LabPlot Description : import file data dialog -------------------------------------------------------------------- Copyright : (C) 2008-2017 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2008-2015 by Stefan Gerlach (stefan.gerlach@uni.kn) ***************************************************************************/ /*************************************************************************** * * * 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. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #include "ImportFileDialog.h" #include "ImportFileWidget.h" #include "backend/core/AspectTreeModel.h" #include "backend/datasources/LiveDataSource.h" #include "backend/datasources/filters/AbstractFileFilter.h" #include "backend/datasources/filters/HDFFilter.h" #include "backend/datasources/filters/NetCDFFilter.h" #include "backend/spreadsheet/Spreadsheet.h" #include "backend/matrix/Matrix.h" #include "backend/core/Workbook.h" #include "commonfrontend/widgets/TreeViewComboBox.h" #include "kdefrontend/MainWin.h" #include #include #include #include #include #include #include #include #include #include #include #include #include /*! \class ImportFileDialog \brief Dialog for importing data from a file. Embeds \c ImportFileWidget and provides the standard buttons. \ingroup kdefrontend */ ImportFileDialog::ImportFileDialog(MainWin* parent, bool liveDataSource, const QString& fileName) : ImportDialog(parent), m_importFileWidget(new ImportFileWidget(this, fileName)), m_showOptions(false) { vLayout->addWidget(m_importFileWidget); setButtons(KDialog::Ok | KDialog::User1 | KDialog::Cancel); //hide the data-source related widgets if (!liveDataSource) { setModel(); //TODO: disable for file data sources m_importFileWidget->hideDataSource(); } else m_importFileWidget->initializeAndFillPortsAndBaudRates(); connect(this, SIGNAL(user1Clicked()), this, SLOT(toggleOptions())); connect(m_importFileWidget, SIGNAL(checkedFitsTableToMatrix(bool)), this, SLOT(checkOnFitsTableToMatrix(bool))); connect(m_importFileWidget, SIGNAL(fileNameChanged()), this, SLOT(checkOkButton())); connect(m_importFileWidget, SIGNAL(sourceTypeChanged()), this, SLOT(checkOkButton())); connect(m_importFileWidget, SIGNAL(hostChanged()), this, SLOT(checkOkButton())); connect(m_importFileWidget, SIGNAL(portChanged()), this, SLOT(checkOkButton())); if (!liveDataSource) { setCaption(i18n("Import Data to Spreadsheet or Matrix")); m_importFileWidget->hideDataSource(); } else setCaption(i18n("Add new live data source")); setWindowIcon(QIcon::fromTheme("document-import-database")); QTimer::singleShot(0, this, &ImportFileDialog::loadSettings); } void ImportFileDialog::loadSettings() { //restore saved settings QApplication::processEvents(QEventLoop::AllEvents, 0); KConfigGroup conf(KSharedConfig::openConfig(), "ImportFileDialog"); m_showOptions = conf.readEntry("ShowOptions", false); m_showOptions ? setButtonText(KDialog::User1, i18n("Hide Options")) : setButtonText(KDialog::User1, i18n("Show Options")); m_importFileWidget->showOptions(m_showOptions); KWindowConfig::restoreWindowSize(windowHandle(), conf); } ImportFileDialog::~ImportFileDialog() { //save current settings KConfigGroup conf(KSharedConfig::openConfig(), "ImportFileDialog"); conf.writeEntry("ShowOptions", m_showOptions); if (cbPosition) conf.writeEntry("Position", cbPosition->currentIndex()); KWindowConfig::saveWindowSize(windowHandle(), conf); } /*! triggers data import to the live data source \c source */ void ImportFileDialog::importToLiveDataSource(LiveDataSource* source, QStatusBar* statusBar) const { m_importFileWidget->saveSettings(source); //show a progress bar in the status bar QProgressBar* progressBar = new QProgressBar(); progressBar->setRange(0, 100); connect(source->filter(), SIGNAL(completed(int)), progressBar, SLOT(setValue(int))); statusBar->clearMessage(); statusBar->addWidget(progressBar, 1); WAIT_CURSOR; QTime timer; timer.start(); source->read(); statusBar->showMessage( i18n("Live data source created in %1 seconds.", (float)timer.elapsed()/1000) ); RESET_CURSOR; statusBar->removeWidget(progressBar); source->ready(); } /*! triggers data import to the currently selected data container */ void ImportFileDialog::importTo(QStatusBar* statusBar) const { DEBUG("ImportFileDialog::importTo()"); QDEBUG("cbAddTo->currentModelIndex() =" << cbAddTo->currentModelIndex()); AbstractAspect* aspect = static_cast(cbAddTo->currentModelIndex().internalPointer()); if (!aspect) { DEBUG("ERROR in importTo(): No aspect available"); DEBUG("cbAddTo->currentModelIndex().isValid() = " << cbAddTo->currentModelIndex().isValid()); DEBUG("cbAddTo->currentModelIndex() row/column = " << cbAddTo->currentModelIndex().row() << ' ' << cbAddTo->currentModelIndex().column()); return; } + if (m_importFileWidget->isFileEmpty()) { + KMessageBox::information(0, i18n("No data to import."), i18n("No Data")); + return; + } + QString fileName = m_importFileWidget->fileName(); AbstractFileFilter* filter = m_importFileWidget->currentFileFilter(); AbstractFileFilter::ImportMode mode = AbstractFileFilter::ImportMode(cbPosition->currentIndex()); //show a progress bar in the status bar QProgressBar* progressBar = new QProgressBar(); progressBar->setRange(0, 100); connect(filter, SIGNAL(completed(int)), progressBar, SLOT(setValue(int))); statusBar->clearMessage(); statusBar->addWidget(progressBar, 1); WAIT_CURSOR; QApplication::processEvents(QEventLoop::AllEvents, 100); QTime timer; timer.start(); if (aspect->inherits("Matrix")) { Matrix* matrix = qobject_cast(aspect); filter->readDataFromFile(fileName, matrix, mode); } else if (aspect->inherits("Spreadsheet")) { Spreadsheet* spreadsheet = qobject_cast(aspect); filter->readDataFromFile(fileName, spreadsheet, mode); } else if (aspect->inherits("Workbook")) { Workbook* workbook = qobject_cast(aspect); QVector sheets = workbook->children(); QStringList names; LiveDataSource::FileType fileType = m_importFileWidget->currentFileType(); if (fileType == LiveDataSource::HDF) names = m_importFileWidget->selectedHDFNames(); else if (fileType == LiveDataSource::NETCDF) names = m_importFileWidget->selectedNetCDFNames(); //multiple extensions selected // multiple data sets/variables for HDF/NetCDF if (fileType == LiveDataSource::HDF || fileType == LiveDataSource::NETCDF) { int nrNames = names.size(), offset = sheets.size(); int start=0; if (mode == AbstractFileFilter::Replace) start=offset; // add additional sheets for (int i = start; i < nrNames; i++) { Spreadsheet *spreadsheet = new Spreadsheet(0, i18n("Spreadsheet")); if (mode == AbstractFileFilter::Prepend) workbook->insertChildBefore(spreadsheet,sheets[0]); else workbook->addChild(spreadsheet); } if (mode != AbstractFileFilter::Append) offset = 0; // import to sheets sheets = workbook->children(); for (int i = 0; i < nrNames; i++) { if (fileType == LiveDataSource::HDF) ((HDFFilter*) filter)->setCurrentDataSetName(names[i]); else ((NetCDFFilter*) filter)->setCurrentVarName(names[i]); if (sheets[i+offset]->inherits("Matrix")) filter->readDataFromFile(fileName, qobject_cast(sheets[i+offset])); else if (sheets[i+offset]->inherits("Spreadsheet")) filter->readDataFromFile(fileName, qobject_cast(sheets[i+offset])); } } else { // single import file types // use active spreadsheet/matrix if present, else new spreadsheet Spreadsheet* spreadsheet = workbook->currentSpreadsheet(); Matrix* matrix = workbook->currentMatrix(); if (spreadsheet) filter->readDataFromFile(fileName, spreadsheet, mode); else if (matrix) filter->readDataFromFile(fileName, matrix, mode); else { spreadsheet = new Spreadsheet(0, i18n("Spreadsheet")); workbook->addChild(spreadsheet); filter->readDataFromFile(fileName, spreadsheet, mode); } } } statusBar->showMessage( i18n("File %1 imported in %2 seconds.", fileName, (float)timer.elapsed()/1000) ); RESET_CURSOR; statusBar->removeWidget(progressBar); delete filter; } void ImportFileDialog::toggleOptions() { m_importFileWidget->showOptions(!m_showOptions); m_showOptions = !m_showOptions; m_showOptions ? setButtonText(KDialog::User1,i18n("Hide Options")) : setButtonText(KDialog::User1,i18n("Show Options")); //resize the dialog mainWidget()->resize(layout()->minimumSize()); layout()->activate(); resize( QSize(this->width(), 0).expandedTo(minimumSize()) ); } void ImportFileDialog::checkOnFitsTableToMatrix(const bool enable) { if (cbAddTo) { QDEBUG("cbAddTo->currentModelIndex() = " << cbAddTo->currentModelIndex()); AbstractAspect* aspect = static_cast(cbAddTo->currentModelIndex().internalPointer()); if (!aspect) { DEBUG("ERROR: no aspect available."); return; } if(aspect->inherits("Matrix")) enableButtonOk(enable); } } void ImportFileDialog::checkOkButton() { DEBUG("ImportFileDialog::checkOkButton()"); if (cbAddTo) { //only check for the target container when no file data source is being added QDEBUG(" cbAddTo->currentModelIndex() = " << cbAddTo->currentModelIndex()); AbstractAspect* aspect = static_cast(cbAddTo->currentModelIndex().internalPointer()); if (!aspect) { enableButtonOk(false); lPosition->setEnabled(false); cbPosition->setEnabled(false); DEBUG("WARNING: no aspect available."); return; } else { DEBUG("Aspect available."); lPosition->setEnabled(true); cbPosition->setEnabled(true); //when doing ASCII import to a matrix, hide the options for using the file header (first line) //to name the columns since the column names are fixed in a matrix const Matrix* matrix = dynamic_cast(aspect); m_importFileWidget->showAsciiHeaderOptions(matrix == NULL); } } QString fileName = m_importFileWidget->fileName(); #ifndef HAVE_WINDOWS if (!fileName.isEmpty() && fileName.left(1) != QDir::separator()) fileName = QDir::homePath() + QDir::separator() + fileName; #endif DEBUG(" fileName = " << fileName.toUtf8().constData()); bool enable = !m_importFileWidget->host().isEmpty() && !m_importFileWidget->port().isEmpty(); switch (m_importFileWidget->currentSourceType()) { case LiveDataSource::SourceType::FileOrPipe: enableButtonOk( QFile::exists(fileName) ); break; case LiveDataSource::SourceType::LocalSocket: if (QFile::exists(fileName)) { QLocalSocket* socket = new QLocalSocket(this); socket->connectToServer(fileName, QLocalSocket::ReadOnly); bool localSocketConnected = socket->waitForConnected(2000); enableButtonOk(localSocketConnected); if (socket->state() == QLocalSocket::ConnectedState) { socket->disconnectFromServer(); socket->waitForDisconnected(1000); connect(socket, SIGNAL(disconnected()), socket, SLOT(deleteLater())); } else { delete socket; } } else { enableButtonOk(false); } break; case LiveDataSource::SourceType::NetworkTcpSocket: if (enable) { QTcpSocket* socket = new QTcpSocket(this); socket = new QTcpSocket(this); socket->connectToHost(m_importFileWidget->host(), m_importFileWidget->port().toInt(), QTcpSocket::ReadOnly); bool tcpSocketConnected = socket->waitForConnected(2000); enableButtonOk(tcpSocketConnected); if (socket->state() == QTcpSocket::ConnectedState) { socket->disconnectFromHost(); socket->waitForDisconnected(1000); connect(socket, SIGNAL(disconnected()), socket, SLOT(deleteLater())); } else { delete socket; } } else { enableButtonOk(false); } break; case LiveDataSource::SourceType::NetworkUdpSocket: if (enable) { QUdpSocket* socket = new QUdpSocket(this); socket->connectToHost(m_importFileWidget->host(), m_importFileWidget->port().toInt(), QUdpSocket::ReadOnly); bool udpSocketConnected = socket->waitForConnected(2000); enableButtonOk(udpSocketConnected); if (socket->state() == QUdpSocket::ConnectedState) { socket->disconnectFromHost(); socket->waitForDisconnected(1000); connect(socket, SIGNAL(disconnected()), socket, SLOT(deleteLater())); } else { delete socket; } } else { enableButtonOk(false); } break; case LiveDataSource::SourceType::SerialPort: if (!m_importFileWidget->serialPort().isEmpty()) { QSerialPort* serialPort = new QSerialPort(this); serialPort->setBaudRate(m_importFileWidget->baudRate()); serialPort->setPortName(m_importFileWidget->serialPort()); bool serialPortOpened = serialPort->open(QIODevice::ReadOnly); enableButtonOk(serialPortOpened); } else { enableButtonOk(false); } break; default: break; } } QString ImportFileDialog::selectedObject() const { QString path = m_importFileWidget->fileName(); //determine the file name only QString name = path.right( path.length()-path.lastIndexOf(QDir::separator())-1 ); //strip away the extension if available if (name.indexOf('.') != -1) name = name.left(name.lastIndexOf('.')); return name; } diff --git a/src/kdefrontend/datasources/ImportFileWidget.cpp b/src/kdefrontend/datasources/ImportFileWidget.cpp index ad1849e14..6210449e2 100644 --- a/src/kdefrontend/datasources/ImportFileWidget.cpp +++ b/src/kdefrontend/datasources/ImportFileWidget.cpp @@ -1,1057 +1,1070 @@ /*************************************************************************** File : ImportFileWidget.cpp Project : LabPlot Description : import file data widget -------------------------------------------------------------------- Copyright : (C) 2009-2017 Stefan Gerlach (stefan.gerlach@uni.kn) Copyright : (C) 2009-2017 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2017 Fabian Kristof (fkristofszabolcs@gmail.com) ***************************************************************************/ /*************************************************************************** * * * 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. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #include "ImportFileWidget.h" #include "FileInfoDialog.h" #include "backend/datasources/filters/AsciiFilter.h" #include "backend/datasources/filters/BinaryFilter.h" #include "backend/datasources/filters/HDFFilter.h" #include "backend/datasources/filters/NetCDFFilter.h" #include "backend/datasources/filters/ImageFilter.h" #include "backend/datasources/filters/FITSFilter.h" #include "AsciiOptionsWidget.h" #include "BinaryOptionsWidget.h" #include "HDFOptionsWidget.h" #include "ImageOptionsWidget.h" #include "NetCDFOptionsWidget.h" #include "FITSOptionsWidget.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /*! \class ImportFileWidget \brief Widget for importing data from a file. \ingroup kdefrontend */ -ImportFileWidget::ImportFileWidget(QWidget* parent, const QString& fileName) : QWidget(parent), m_fileName(fileName), +ImportFileWidget::ImportFileWidget(QWidget* parent, const QString& fileName) : QWidget(parent), + m_fileName(fileName), + m_fileEmpty(false), m_liveDataSource(true) { ui.setupUi(this); QCompleter* completer = new QCompleter(this); completer->setModel(new QDirModel); ui.leFileName->setCompleter(completer); ui.cbFileType->addItems(LiveDataSource::fileTypes()); QStringList filterItems; filterItems << i18n("Automatic") << i18n("Custom"); ui.cbFilter->addItems(filterItems); // file type specific option widgets QWidget* asciiw = new QWidget(); m_asciiOptionsWidget = std::unique_ptr(new AsciiOptionsWidget(asciiw)); ui.swOptions->insertWidget(LiveDataSource::Ascii, asciiw); QWidget* binaryw = new QWidget(); m_binaryOptionsWidget = std::unique_ptr(new BinaryOptionsWidget(binaryw)); ui.swOptions->insertWidget(LiveDataSource::Binary, binaryw); QWidget* imagew = new QWidget(); m_imageOptionsWidget = std::unique_ptr(new ImageOptionsWidget(imagew)); ui.swOptions->insertWidget(LiveDataSource::Image, imagew); QWidget* hdfw = new QWidget(); m_hdfOptionsWidget = std::unique_ptr(new HDFOptionsWidget(hdfw, this)); ui.swOptions->insertWidget(LiveDataSource::HDF, hdfw); QWidget* netcdfw = new QWidget(); m_netcdfOptionsWidget = std::unique_ptr(new NetCDFOptionsWidget(netcdfw, this)); ui.swOptions->insertWidget(LiveDataSource::NETCDF, netcdfw); QWidget* fitsw = new QWidget(); m_fitsOptionsWidget = std::unique_ptr(new FITSOptionsWidget(fitsw, this)); ui.swOptions->insertWidget(LiveDataSource::FITS, fitsw); // the table widget for preview m_twPreview = new QTableWidget(ui.tePreview); m_twPreview->verticalHeader()->hide(); m_twPreview->setEditTriggers(QTableWidget::NoEditTriggers); QHBoxLayout* layout = new QHBoxLayout; layout->addWidget(m_twPreview); ui.tePreview->setLayout(layout); m_twPreview->hide(); // default filter ui.swOptions->setCurrentIndex(LiveDataSource::Ascii); #if !defined(HAVE_HDF5) || !defined(HAVE_NETCDF) || !defined(HAVE_FITS) const QStandardItemModel* model = qobject_cast(ui.cbFileType->model()); #endif #ifndef HAVE_HDF5 // disable HDF5 item QStandardItem* item = model->item(LiveDataSource::HDF); item->setFlags(item->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); #endif #ifndef HAVE_NETCDF // disable NETCDF item QStandardItem* item2 = model->item(LiveDataSource::NETCDF); item2->setFlags(item2->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); #endif #ifndef HAVE_FITS // disable FITS item QStandardItem* item3 = model->item(LiveDataSource::FITS); item3->setFlags(item3->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); #endif ui.lePort->setValidator( new QIntValidator(ui.lePort) ); ui.gbOptions->hide(); ui.gbUpdateOptions->hide(); ui.bOpen->setIcon( QIcon::fromTheme("document-open") ); ui.bFileInfo->setIcon( QIcon::fromTheme("help-about") ); ui.bManageFilters->setIcon( QIcon::fromTheme("configure") ); ui.bSaveFilter->setIcon( QIcon::fromTheme("document-save") ); ui.bRefreshPreview->setIcon( QIcon::fromTheme("view-refresh") ); connect( ui.leFileName, SIGNAL(textChanged(QString)), SLOT(fileNameChanged(QString)) ); connect( ui.bOpen, SIGNAL(clicked()), this, SLOT (selectFile()) ); connect( ui.bFileInfo, SIGNAL(clicked()), this, SLOT (fileInfoDialog()) ); connect( ui.bSaveFilter, SIGNAL(clicked()), this, SLOT (saveFilter()) ); connect( ui.bManageFilters, SIGNAL(clicked()), this, SLOT (manageFilters()) ); connect( ui.cbFileType, SIGNAL(currentIndexChanged(int)), SLOT(fileTypeChanged(int)) ); connect( ui.cbUpdateType, SIGNAL(currentIndexChanged(int)), this, SLOT(updateTypeChanged(int))); connect( ui.cbReadType, SIGNAL(currentIndexChanged(int)), this, SLOT(readingTypeChanged(int))); connect( ui.cbFilter, SIGNAL(activated(int)), SLOT(filterChanged(int)) ); connect( ui.bRefreshPreview, SIGNAL(clicked()), SLOT(refreshPreview()) ); connect(ui.leHost, SIGNAL(textChanged(QString)), this, SIGNAL(hostChanged())); connect(ui.lePort, SIGNAL(textChanged(QString)), this, SIGNAL(portChanged())); connect( ui.cbSourceType, SIGNAL(currentIndexChanged(int)), this, SLOT(sourceTypeChanged(int))); //TODO: implement save/load of user-defined settings later and activate these buttons again ui.bSaveFilter->hide(); ui.bManageFilters->hide(); //defer the loading of settings a bit in order to show the dialog prior to blocking the GUI in refreshPreview() QTimer::singleShot( 100, this, SLOT(loadSettings()) ); } void ImportFileWidget::loadSettings() { //load last used settings QString confName; if (m_liveDataSource) confName = QLatin1String("LiveDataImport"); else confName = QLatin1String("FileImport"); KConfigGroup conf(KSharedConfig::openConfig(), confName); //settings for data type specific widgets m_asciiOptionsWidget->loadSettings(); m_binaryOptionsWidget->loadSettings(); m_imageOptionsWidget->loadSettings(); //read the source type first since settings in fileNameChanged() depend on this ui.cbSourceType->setCurrentIndex(conf.readEntry("SourceType").toInt()); //general settings ui.cbFileType->setCurrentIndex(conf.readEntry("Type", 0)); ui.cbFilter->setCurrentIndex(conf.readEntry("Filter", 0)); filterChanged(ui.cbFilter->currentIndex()); // needed if filter is not changed if (m_fileName.isEmpty()) ui.leFileName->setText(conf.readEntry("LastImportedFile", "")); else ui.leFileName->setText(m_fileName); //live data related settings ui.cbBaudRate->setCurrentIndex(conf.readEntry("BaudRate").toInt()); ui.cbReadType->setCurrentIndex(conf.readEntry("ReadType").toInt()); ui.cbSerialPort->setCurrentIndex(conf.readEntry("SerialPort").toInt()); ui.cbUpdateType->setCurrentIndex(conf.readEntry("UpdateType").toInt()); ui.leHost->setText(conf.readEntry("Host","")); ui.leKeepLastValues->setText(conf.readEntry("KeepLastNValues","")); ui.lePort->setText(conf.readEntry("Port","")); ui.sbSampleRate->setValue(conf.readEntry("SampleRate").toInt()); ui.sbUpdateInterval->setValue(conf.readEntry("UpdateInterval").toInt()); } ImportFileWidget::~ImportFileWidget() { // save current settings QString confName; if (m_liveDataSource) confName = QLatin1String("LiveDataImport"); else confName = QLatin1String("FileImport"); KConfigGroup conf(KSharedConfig::openConfig(), confName); // general settings conf.writeEntry("Type", ui.cbFileType->currentIndex()); conf.writeEntry("Filter", ui.cbFilter->currentIndex()); conf.writeEntry("LastImportedFile", ui.leFileName->text()); //live data related settings conf.writeEntry("SourceType", ui.cbSourceType->currentIndex()); conf.writeEntry("UpdateType", ui.cbUpdateType->currentIndex()); conf.writeEntry("ReadType", ui.cbReadType->currentIndex()); conf.writeEntry("SampleRate", ui.sbSampleRate->value()); conf.writeEntry("KeepLastNValues", ui.leKeepLastValues->text()); conf.writeEntry("BaudRate", ui.cbBaudRate->currentIndex()); conf.writeEntry("SerialPort", ui.cbSerialPort->currentIndex()); conf.writeEntry("Host", ui.leHost->text()); conf.writeEntry("Port", ui.lePort->text()); conf.writeEntry("UpdateInterval", ui.sbUpdateInterval->value()); // data type specific settings m_asciiOptionsWidget->saveSettings(); m_binaryOptionsWidget->saveSettings(); m_imageOptionsWidget->saveSettings(); } void ImportFileWidget::hideDataSource() { m_liveDataSource = false; ui.gbUpdateOptions->hide(); ui.chbLinkFile->hide(); ui.cbBaudRate->hide(); ui.lBaudRate->hide(); ui.lHost->hide(); ui.leHost->hide(); ui.lPort->hide(); ui.lePort->hide(); ui.cbSerialPort->hide(); ui.lSerialPort->hide(); ui.lSourceType->hide(); ui.cbSourceType->hide(); ui.cbUpdateType->hide(); ui.lUpdateType->hide(); ui.sbUpdateInterval->hide(); ui.lUpdateInterval->hide(); } void ImportFileWidget::showAsciiHeaderOptions(bool b) { m_asciiOptionsWidget->showAsciiHeaderOptions(b); } void ImportFileWidget::showOptions(bool b) { ui.gbOptions->setVisible(b); if (m_liveDataSource) ui.gbUpdateOptions->setVisible(b); resize(layout()->minimumSize()); } QString ImportFileWidget::fileName() const { if (currentFileType() == LiveDataSource::FITS) { QString extensionName = m_fitsOptionsWidget->currentExtensionName(); if (!extensionName.isEmpty()) return ui.leFileName->text() + QLatin1String("[") + extensionName + QLatin1String("]"); } return ui.leFileName->text(); } +/*! + * returns \c true if the number of lines to be imported from the currently selected file is zero ("file is empty"), + * returns \c false otherwise. + */ +bool ImportFileWidget::isFileEmpty() const { + return m_fileEmpty; +} + QString ImportFileWidget::host() const { return ui.leHost->text(); } QString ImportFileWidget::port() const { return ui.lePort->text(); } QString ImportFileWidget::serialPort() const { return ui.cbSerialPort->currentText(); } int ImportFileWidget::baudRate() const { return ui.cbBaudRate->currentText().toInt(); } /*! saves the settings to the data source \c source. */ void ImportFileWidget::saveSettings(LiveDataSource* source) const { LiveDataSource::FileType fileType = static_cast(ui.cbFileType->currentIndex()); LiveDataSource::UpdateType updateType = static_cast(ui.cbUpdateType->currentIndex()); LiveDataSource::SourceType sourceType = static_cast(ui.cbSourceType->currentIndex()); LiveDataSource::ReadingType readingType = static_cast(ui.cbReadType->currentIndex()); source->setComment( ui.leFileName->text() ); source->setFileType(fileType); source->setFilter(this->currentFileFilter()); source->setSourceType(sourceType); source->setReadingType(readingType); if (updateType == LiveDataSource::UpdateType::TimeInterval) source->setUpdateInterval(ui.sbUpdateInterval->value()); else source->setFileWatched(true); if (!ui.leKeepLastValues->text().isEmpty()) { source->setKeepLastValues(true); source->setKeepNvalues(ui.leKeepLastValues->text().toInt()); } source->setUpdateType(updateType); if (readingType != LiveDataSource::ReadingType::TillEnd) source->setSampleRate(ui.sbSampleRate->value()); switch (sourceType) { case LiveDataSource::SourceType::FileOrPipe: source->setFileName( ui.leFileName->text() ); source->setFileLinked( ui.chbLinkFile->isChecked() ); break; case LiveDataSource::SourceType::LocalSocket: source->setLocalSocketName(ui.leFileName->text()); break; case LiveDataSource::SourceType::NetworkTcpSocket: case LiveDataSource::SourceType::NetworkUdpSocket: source->setHost(ui.leHost->text()); source->setPort(ui.lePort->text().toInt()); break; case LiveDataSource::SourceType::SerialPort: source->setBaudRate(ui.cbBaudRate->currentText().toInt()); source->setSerialPort(ui.cbSerialPort->currentText()); break; default: break; } } /*! returns the currently used file type. */ LiveDataSource::FileType ImportFileWidget::currentFileType() const { return static_cast(ui.cbFileType->currentIndex()); } LiveDataSource::SourceType ImportFileWidget::currentSourceType() const { return static_cast(ui.cbSourceType->currentIndex()); } /*! returns the currently used filter. */ AbstractFileFilter* ImportFileWidget::currentFileFilter() const { DEBUG("currentFileFilter()"); LiveDataSource::FileType fileType = static_cast(ui.cbFileType->currentIndex()); switch (fileType) { case LiveDataSource::Ascii: { //TODO std::unique_ptr filter(new AsciiFilter()); AsciiFilter* filter = new AsciiFilter(); if (ui.cbFilter->currentIndex() == 0) //"automatic" filter->setAutoModeEnabled(true); else if (ui.cbFilter->currentIndex() == 1) { //"custom" filter->setAutoModeEnabled(false); m_asciiOptionsWidget->applyFilterSettings(filter); } else filter->loadFilterSettings( ui.cbFilter->currentText() ); //save the data portion to import filter->setStartRow( ui.sbStartRow->value()); filter->setEndRow( ui.sbEndRow->value() ); filter->setStartColumn( ui.sbStartColumn->value()); filter->setEndColumn( ui.sbEndColumn->value()); return filter; } case LiveDataSource::Binary: { BinaryFilter* filter = new BinaryFilter(); if ( ui.cbFilter->currentIndex() == 0 ) //"automatic" filter->setAutoModeEnabled(true); else if ( ui.cbFilter->currentIndex() == 1 ) { //"custom" filter->setAutoModeEnabled(false); m_binaryOptionsWidget->applyFilterSettings(filter); } else { //TODO: load filter settings // filter->setFilterName( ui.cbFilter->currentText() ); } filter->setStartRow( ui.sbStartRow->value() ); filter->setEndRow( ui.sbEndRow->value() ); return filter; } case LiveDataSource::Image: { ImageFilter* filter = new ImageFilter(); filter->setImportFormat(m_imageOptionsWidget->currentFormat()); filter->setStartRow( ui.sbStartRow->value() ); filter->setEndRow( ui.sbEndRow->value() ); filter->setStartColumn( ui.sbStartColumn->value() ); filter->setEndColumn( ui.sbEndColumn->value() ); return filter; } case LiveDataSource::HDF: { HDFFilter* filter = new HDFFilter(); QStringList names = selectedHDFNames(); if (!names.isEmpty()) filter->setCurrentDataSetName(names[0]); filter->setStartRow( ui.sbStartRow->value() ); filter->setEndRow( ui.sbEndRow->value() ); filter->setStartColumn( ui.sbStartColumn->value() ); filter->setEndColumn( ui.sbEndColumn->value() ); return filter; } case LiveDataSource::NETCDF: { NetCDFFilter* filter = new NetCDFFilter(); if (!selectedNetCDFNames().isEmpty()) filter->setCurrentVarName(selectedNetCDFNames()[0]); filter->setStartRow( ui.sbStartRow->value() ); filter->setEndRow( ui.sbEndRow->value() ); filter->setStartColumn( ui.sbStartColumn->value() ); filter->setEndColumn( ui.sbEndColumn->value() ); return filter; } case LiveDataSource::FITS: { FITSFilter* filter = new FITSFilter(); filter->setStartRow( ui.sbStartRow->value()); filter->setEndRow( ui.sbEndRow->value() ); filter->setStartColumn( ui.sbStartColumn->value()); filter->setEndColumn( ui.sbEndColumn->value()); return filter; } } return 0; } /*! opens a file dialog and lets the user select the file data source. */ void ImportFileWidget::selectFile() { KConfigGroup conf(KSharedConfig::openConfig(), "ImportFileWidget"); QString dir = conf.readEntry("LastDir", ""); QString path = QFileDialog::getOpenFileName(this, i18n("Select the File Data Source"), dir); if (path.isEmpty()) return; //cancel was clicked in the file-dialog int pos = path.lastIndexOf(QDir::separator()); if (pos != -1) { QString newDir = path.left(pos); if (newDir != dir) conf.writeEntry("LastDir", newDir); } ui.leFileName->setText(path); //TODO: decide whether the selection of several files should be possible // QStringList filelist = QFileDialog::getOpenFileNames(this,i18n("Select one or more files to open")); // if (! filelist.isEmpty() ) // ui.leFileName->setText(filelist.join(";")); } /************** SLOTS **************************************************************/ /*! called on file name changes. Determines the file format (ASCII, binary etc.), if the file exists, and activates the corresponding options. */ void ImportFileWidget::fileNameChanged(const QString& name) { QString fileName = name; #ifndef HAVE_WINDOWS // make relative path if ( !fileName.isEmpty() && fileName.left(1) != QDir::separator()) fileName = QDir::homePath() + QDir::separator() + fileName; #endif bool fileExists = QFile::exists(fileName); if (fileExists) ui.leFileName->setStyleSheet(""); else ui.leFileName->setStyleSheet("QLineEdit{background:red;}"); ui.gbOptions->setEnabled(fileExists); ui.bFileInfo->setEnabled(fileExists); ui.cbFileType->setEnabled(fileExists); ui.cbFilter->setEnabled(fileExists); ui.bManageFilters->setEnabled(fileExists); ui.chbLinkFile->setEnabled(fileExists); if (!fileExists) { //file doesn't exist -> delete the content preview that is still potentially //available from the previously selected file ui.tePreview->clear(); m_twPreview->clear(); m_hdfOptionsWidget->clear(); m_netcdfOptionsWidget->clear(); m_fitsOptionsWidget->clear(); emit fileNameChanged(); return; } if (currentSourceType() == LiveDataSource::FileOrPipe) { QString fileInfo; #ifndef HAVE_WINDOWS //check, if we can guess the file type by content QProcess* proc = new QProcess(this); QStringList args; args << "-b" << ui.leFileName->text(); proc->start("file", args); if (proc->waitForReadyRead(1000) == false) { QDEBUG("ERROR: reading file type of file" << fileName); return; } fileInfo = proc->readLine(); #endif QByteArray imageFormat = QImageReader::imageFormat(fileName); if (fileInfo.contains(QLatin1String("compressed data")) || fileInfo.contains(QLatin1String("ASCII")) || fileName.endsWith(QLatin1String("dat"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("txt"), Qt::CaseInsensitive)) { //probably ascii data ui.cbFileType->setCurrentIndex(LiveDataSource::Ascii); } else if (fileInfo.contains(QLatin1String("Hierarchical Data Format")) || fileName.endsWith(QLatin1String("h5"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("hdf"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("hdf5"), Qt::CaseInsensitive) ) { ui.cbFileType->setCurrentIndex(LiveDataSource::HDF); // update HDF tree widget using current selected file m_hdfOptionsWidget->updateContent((HDFFilter*)this->currentFileFilter(), fileName); } else if (fileInfo.contains(QLatin1String("NetCDF Data Format")) || fileName.endsWith(QLatin1String("nc"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("netcdf"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("cdf"), Qt::CaseInsensitive)) { ui.cbFileType->setCurrentIndex(LiveDataSource::NETCDF); // update NetCDF tree widget using current selected file m_netcdfOptionsWidget->updateContent((NetCDFFilter*)this->currentFileFilter(), fileName); } else if (fileInfo.contains(QLatin1String("FITS image data")) || fileName.endsWith(QLatin1String("fits"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("fit"), Qt::CaseInsensitive) || fileName.endsWith(QLatin1String("fts"), Qt::CaseInsensitive)) { #ifdef HAVE_FITS ui.cbFileType->setCurrentIndex(LiveDataSource::FITS); #endif // update FITS tree widget using current selected file m_fitsOptionsWidget->updateContent((FITSFilter*)this->currentFileFilter(), fileName); } else if (fileInfo.contains("image") || fileInfo.contains("bitmap") || !imageFormat.isEmpty()) ui.cbFileType->setCurrentIndex(LiveDataSource::Image); else ui.cbFileType->setCurrentIndex(LiveDataSource::Binary); } refreshPreview(); emit fileNameChanged(); } /*! saves the current filter settings */ void ImportFileWidget::saveFilter() { bool ok; QString text = QInputDialog::getText(this, i18n("Save Filter Settings as"), i18n("Filter name:"), QLineEdit::Normal, i18n("new filter"), &ok); if (ok && !text.isEmpty()) { //TODO //AsciiFilter::saveFilter() } } /*! opens a dialog for managing all available predefined filters. */ void ImportFileWidget::manageFilters() { //TODO } /*! Depending on the selected file type, activates the corresponding options in the data portion tab and populates the combobox with the available pre-defined fllter settings for the selected type. */ void ImportFileWidget::fileTypeChanged(int fileType) { ui.swOptions->setCurrentIndex(fileType); //default ui.lFilter->show(); ui.cbFilter->show(); //if we switch from netCDF-format (only two tabs available), add the data preview-tab again if (ui.tabWidget->count() == 2) { ui.tabWidget->setTabText(0, i18n("Data format")); ui.tabWidget->insertTab(1, ui.tabDataPreview, i18n("Preview")); } ui.lPreviewLines->show(); ui.sbPreviewLines->show(); ui.lStartColumn->show(); ui.sbStartColumn->show(); ui.lEndColumn->show(); ui.sbEndColumn->show(); switch (fileType) { case LiveDataSource::Ascii: break; case LiveDataSource::Binary: ui.lStartColumn->hide(); ui.sbStartColumn->hide(); ui.lEndColumn->hide(); ui.sbEndColumn->hide(); break; case LiveDataSource::HDF: case LiveDataSource::NETCDF: ui.lFilter->hide(); ui.cbFilter->hide(); // hide global preview tab. we have our own ui.tabWidget->setTabText(0, i18n("Data format && preview")); ui.tabWidget->removeTab(1); ui.tabWidget->setCurrentIndex(0); break; case LiveDataSource::Image: ui.lPreviewLines->hide(); ui.sbPreviewLines->hide(); ui.lFilter->hide(); ui.cbFilter->hide(); break; case LiveDataSource::FITS: ui.lFilter->hide(); ui.cbFilter->hide(); ui.tabWidget->setTabText(0, i18n("Data format && preview")); ui.tabWidget->removeTab(1); ui.tabWidget->setCurrentIndex(0); break; default: DEBUG("unknown file type"); } m_hdfOptionsWidget->clear(); m_netcdfOptionsWidget->clear(); int lastUsedFilterIndex = ui.cbFilter->currentIndex(); ui.cbFilter->clear(); ui.cbFilter->addItem( i18n("Automatic") ); ui.cbFilter->addItem( i18n("Custom") ); //TODO: populate the combobox with the available pre-defined filter settings for the selected type ui.cbFilter->setCurrentIndex(lastUsedFilterIndex); filterChanged(lastUsedFilterIndex); refreshPreview(); } const QStringList ImportFileWidget::selectedHDFNames() const { return m_hdfOptionsWidget->selectedHDFNames(); } const QStringList ImportFileWidget::selectedNetCDFNames() const { return m_netcdfOptionsWidget->selectedNetCDFNames(); } const QStringList ImportFileWidget::selectedFITSExtensions() const { return m_fitsOptionsWidget->selectedFITSExtensions(); } /*! shows the dialog with the information about the file(s) to be imported. */ void ImportFileWidget::fileInfoDialog() { QStringList files = ui.leFileName->text().split(';'); FileInfoDialog* dlg = new FileInfoDialog(this); dlg->setFiles(files); dlg->exec(); } /*! enables the options if the filter "custom" was chosen. Disables the options otherwise. */ void ImportFileWidget::filterChanged(int index) { // ignore filter for these formats if (ui.cbFileType->currentIndex() == LiveDataSource::HDF || ui.cbFileType->currentIndex() == LiveDataSource::NETCDF || ui.cbFileType->currentIndex() == LiveDataSource::Image || ui.cbFileType->currentIndex() == LiveDataSource::FITS) { ui.swOptions->setEnabled(true); return; } if (index == 0) { // "automatic" ui.swOptions->setEnabled(false); ui.bSaveFilter->setEnabled(false); } else if (index == 1) { //custom ui.swOptions->setEnabled(true); ui.bSaveFilter->setEnabled(true); } else { // predefined filter settings were selected. //load and show them in the GUI. //TODO } } void ImportFileWidget::refreshPreview() { DEBUG("refreshPreview()"); WAIT_CURSOR; QString fileName = ui.leFileName->text(); #ifndef HAVE_WINDOWS if (fileName.left(1) != QDir::separator()) fileName = QDir::homePath() + QDir::separator() + fileName; #endif QVector importedStrings; LiveDataSource::FileType fileType = (LiveDataSource::FileType)ui.cbFileType->currentIndex(); // generic table widget if (fileType == LiveDataSource::Ascii || fileType == LiveDataSource::Binary) m_twPreview->show(); else m_twPreview->hide(); int lines = ui.sbPreviewLines->value(); bool ok = true; QTableWidget *tmpTableWidget = nullptr; QStringList vectorNameList; QVector columnModes; switch (fileType) { case LiveDataSource::Ascii: { ui.tePreview->clear(); AsciiFilter *filter = static_cast(this->currentFileFilter()); switch (currentSourceType()) { case LiveDataSource::SourceType::FileOrPipe: { importedStrings = filter->preview(fileName, lines); break; } case LiveDataSource::SourceType::LocalSocket: { QLocalSocket* lsocket = new QLocalSocket(this); lsocket->connectToServer(fileName, QLocalSocket::ReadOnly); bool localSocketConnected = lsocket->waitForConnected(2000); if (localSocketConnected) { qDebug() << "localPreviewConnected"; bool canread = lsocket->waitForReadyRead(500); if (canread) importedStrings = filter->preview(*lsocket); } if (lsocket->state() == QLocalSocket::ConnectedState) { lsocket->disconnectFromServer(); connect(lsocket, SIGNAL(disconnected()), lsocket, SLOT(deleteLater())); } else delete lsocket; break; } case LiveDataSource::SourceType::NetworkTcpSocket: { QTcpSocket* tsocket = new QTcpSocket(this); tsocket->connectToHost(host(), port().toInt(), QTcpSocket::ReadOnly); bool tcpSocketConnected = tsocket->waitForConnected(2000); if (tcpSocketConnected) { bool canread = tsocket->waitForReadyRead(500); qDebug() << "tcpPreviewconnected"; if (canread) importedStrings = filter->preview(*tsocket); } if (tsocket->state() == QTcpSocket::ConnectedState) { tsocket->disconnectFromHost(); connect(tsocket, SIGNAL(disconnected()), tsocket, SLOT(deleteLater())); } else delete tsocket; break; } case LiveDataSource::SourceType::NetworkUdpSocket: { QUdpSocket* usocket = new QUdpSocket(this); usocket->connectToHost(host(), port().toInt(), QUdpSocket::ReadOnly); bool udpSocketConnected = usocket->waitForConnected(2000); if (udpSocketConnected) { bool canread = usocket->waitForReadyRead(500); qDebug() << "tcpPreviewconnected"; if (canread) importedStrings = filter->preview(*usocket); } if (usocket->state() == QUdpSocket::ConnectedState) { usocket->disconnectFromHost(); connect(usocket, SIGNAL(disconnected()), usocket, SLOT(deleteLater())); } else delete usocket; break; } case LiveDataSource::SourceType::SerialPort: { QSerialPort* sPort = new QSerialPort(this); sPort->setBaudRate(baudRate()); sPort->setPortName(serialPort()); bool serialPortOpened = sPort->open(QIODevice::ReadOnly); if (serialPortOpened) { } break; } } tmpTableWidget = m_twPreview; vectorNameList = filter->vectorNames(); columnModes = filter->columnModes(); break; } case LiveDataSource::Binary: { ui.tePreview->clear(); BinaryFilter *filter = (BinaryFilter *)this->currentFileFilter(); importedStrings = filter->preview(fileName, lines); tmpTableWidget = m_twPreview; break; } case LiveDataSource::Image: { ui.tePreview->clear(); QImage image(fileName); QTextCursor cursor = ui.tePreview->textCursor(); cursor.insertImage(image); RESET_CURSOR; return; } case LiveDataSource::HDF: { HDFFilter *filter = (HDFFilter *)this->currentFileFilter(); lines = m_hdfOptionsWidget->lines(); importedStrings = filter->readCurrentDataSet(fileName, NULL, ok, AbstractFileFilter::Replace, lines); tmpTableWidget = m_hdfOptionsWidget->previewWidget(); break; } case LiveDataSource::NETCDF: { NetCDFFilter *filter = (NetCDFFilter *)this->currentFileFilter(); lines = m_netcdfOptionsWidget->lines(); importedStrings = filter->readCurrentVar(fileName, NULL, AbstractFileFilter::Replace, lines); tmpTableWidget = m_netcdfOptionsWidget->previewWidget(); break; } case LiveDataSource::FITS: { FITSFilter* filter = (FITSFilter*)this->currentFileFilter(); lines = m_fitsOptionsWidget->lines(); QString extensionName = m_fitsOptionsWidget->extensionName(&ok); if (!extensionName.isEmpty()) fileName = extensionName; bool readFitsTableToMatrix; importedStrings = filter->readChdu(fileName, &readFitsTableToMatrix, lines); emit checkedFitsTableToMatrix(readFitsTableToMatrix); tmpTableWidget = m_fitsOptionsWidget->previewWidget(); break; } } // fill the table widget tmpTableWidget->setRowCount(0); tmpTableWidget->setColumnCount(0); if( !importedStrings.isEmpty() ) { QDEBUG("importedStrings =" << importedStrings); if (!ok) { // show imported strings as error message tmpTableWidget->setRowCount(1); tmpTableWidget->setColumnCount(1); QTableWidgetItem* item = new QTableWidgetItem(); item->setText(importedStrings[0][0]); tmpTableWidget->setItem(0, 0, item); } else { //TODO: maxrows not used const int rows = qMax(importedStrings.size(), 1); const int maxColumns = 300; tmpTableWidget->setRowCount(rows); for (int i = 0; i < rows; i++) { QDEBUG(importedStrings[i]); int cols = importedStrings[i].size() > maxColumns ? maxColumns : importedStrings[i].size(); // new if (cols > tmpTableWidget->columnCount()) tmpTableWidget->setColumnCount(cols); for (int j = 0; j < cols; j++) { QTableWidgetItem* item = new QTableWidgetItem(importedStrings[i][j]); tmpTableWidget->setItem(i, j, item); } } // set header if columnMode available for (int i = 0; i < qMin(tmpTableWidget->columnCount(), columnModes.size()); i++) { QString columnName = QString::number(i+1); if (i < vectorNameList.size()) columnName = vectorNameList[i]; auto* item = new QTableWidgetItem(columnName + QLatin1String(" {") + ENUM_TO_STRING(AbstractColumn, ColumnMode, columnModes[i]) + QLatin1String("}")); item->setTextAlignment(Qt::AlignLeft); item->setIcon(AbstractColumn::iconForMode(columnModes[i])); tmpTableWidget->setHorizontalHeaderItem(i, item); } } tmpTableWidget->horizontalHeader()->resizeSections(QHeaderView::ResizeToContents); + m_fileEmpty = false; + } else { + m_fileEmpty = true; } RESET_CURSOR; } void ImportFileWidget::updateTypeChanged(int idx) { LiveDataSource::UpdateType type = static_cast(idx); if (type == LiveDataSource::UpdateType::TimeInterval) { ui.lUpdateInterval->show(); ui.sbUpdateInterval->show(); ui.lUpdateIntervalUnit->show(); } else if (type == LiveDataSource::UpdateType::NewData) { ui.lUpdateInterval->hide(); ui.sbUpdateInterval->hide(); ui.lUpdateIntervalUnit->hide(); } } void ImportFileWidget::readingTypeChanged(int idx) { LiveDataSource::ReadingType type = static_cast(idx); if (type == LiveDataSource::ReadingType::TillEnd) { ui.lSampleRate->hide(); ui.sbSampleRate->hide(); } else { ui.lSampleRate->show(); ui.sbSampleRate->show(); } } void ImportFileWidget::sourceTypeChanged(int idx) { LiveDataSource::SourceType type = static_cast(idx); switch (type) { case LiveDataSource::SourceType::FileOrPipe: ui.lFileName->show(); ui.leFileName->show(); ui.bFileInfo->show(); ui.bOpen->show(); ui.cbBaudRate->hide(); ui.lBaudRate->hide(); ui.lHost->hide(); ui.leHost->hide(); ui.lPort->hide(); ui.lePort->hide(); ui.cbSerialPort->hide(); ui.lSerialPort->hide(); break; case LiveDataSource::SourceType::LocalSocket: ui.lFileName->show(); ui.leFileName->show(); ui.bOpen->show(); ui.bFileInfo->hide(); ui.cbBaudRate->hide(); ui.lBaudRate->hide(); ui.lHost->hide(); ui.leHost->hide(); ui.lPort->hide(); ui.lePort->hide(); ui.cbSerialPort->hide(); ui.lSerialPort->hide(); break; case LiveDataSource::SourceType::NetworkTcpSocket: case LiveDataSource::SourceType::NetworkUdpSocket: ui.lHost->show(); ui.leHost->show(); ui.lePort->show(); ui.lPort->show(); ui.lBaudRate->hide(); ui.cbBaudRate->hide(); ui.lSerialPort->hide(); ui.cbSerialPort->hide(); ui.lFileName->hide(); ui.leFileName->hide(); ui.bFileInfo->hide(); ui.bOpen->hide(); break; case LiveDataSource::SourceType::SerialPort: ui.lBaudRate->show(); ui.cbBaudRate->show(); ui.lSerialPort->show(); ui.cbSerialPort->show(); ui.lHost->hide(); ui.leHost->hide(); ui.lePort->hide(); ui.lPort->hide(); ui.lFileName->hide(); ui.leFileName->hide(); ui.bFileInfo->hide(); ui.bOpen->hide(); break; default: break; } emit sourceTypeChanged(); } void ImportFileWidget::initializeAndFillPortsAndBaudRates() { for (int i = 2; i < ui.swOptions->count(); ++i) ui.swOptions->removeWidget(ui.swOptions->widget(i)); const int size = ui.cbFileType->count(); for (int i = 2; i < size; ++i) ui.cbFileType->removeItem(2); ui.cbBaudRate->hide(); ui.lBaudRate->hide(); ui.lHost->hide(); ui.leHost->hide(); ui.lPort->hide(); ui.lePort->hide(); ui.cbSerialPort->hide(); ui.lSerialPort->hide(); ui.cbBaudRate->addItems(LiveDataSource::supportedBaudRates()); ui.cbSerialPort->addItems(LiveDataSource::availablePorts()); ui.leKeepLastValues->setValidator(new QIntValidator(2, 100000)); ui.tabWidget->removeTab(2); } diff --git a/src/kdefrontend/datasources/ImportFileWidget.h b/src/kdefrontend/datasources/ImportFileWidget.h index 3cd46540f..b5b5a55c8 100644 --- a/src/kdefrontend/datasources/ImportFileWidget.h +++ b/src/kdefrontend/datasources/ImportFileWidget.h @@ -1,113 +1,114 @@ /*************************************************************************** File : ImportFileWidget.h Project : LabPlot Description : import file data widget -------------------------------------------------------------------- Copyright : (C) 2009-2017 by Stefan Gerlach (stefan.gerlach@uni-konstanz.de) Copyright : (C) 2009-2015 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2017 Fabian Kristof (fkristofszabolcs@gmail.com) ***************************************************************************/ /*************************************************************************** * * * 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. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #ifndef IMPORTFILEWIDGET_H #define IMPORTFILEWIDGET_H #include "ui_importfilewidget.h" #include "backend/datasources/LiveDataSource.h" #include class AbstractFileFilter; class AsciiOptionsWidget; class BinaryOptionsWidget; class HDFOptionsWidget; class ImageOptionsWidget; class NetCDFOptionsWidget; class FITSOptionsWidget; class QTableWidget; class ImportFileWidget : public QWidget { Q_OBJECT public: explicit ImportFileWidget(QWidget*, const QString& fileName = QString()); ~ImportFileWidget(); void showOptions(bool); void saveSettings(LiveDataSource*) const; LiveDataSource::FileType currentFileType() const; LiveDataSource::SourceType currentSourceType() const; AbstractFileFilter* currentFileFilter() const; QString fileName() const; + bool isFileEmpty() const; const QStringList selectedHDFNames() const; const QStringList selectedNetCDFNames() const; const QStringList selectedFITSExtensions() const; void hideDataSource(); void showAsciiHeaderOptions(bool); QString host() const; QString port() const; QString serialPort() const; int baudRate() const; void initializeAndFillPortsAndBaudRates(); private: - Ui::ImportFileWidget ui; std::unique_ptr m_asciiOptionsWidget; std::unique_ptr m_binaryOptionsWidget; std::unique_ptr m_hdfOptionsWidget; std::unique_ptr m_imageOptionsWidget; std::unique_ptr m_netcdfOptionsWidget; std::unique_ptr m_fitsOptionsWidget; QTableWidget* m_twPreview; const QString& m_fileName; + bool m_fileEmpty; bool m_liveDataSource; private slots: void fileNameChanged(const QString&); void fileTypeChanged(int); void updateTypeChanged(int); void sourceTypeChanged(int); void readingTypeChanged(int); void saveFilter(); void manageFilters(); void filterChanged(int); void selectFile(); void fileInfoDialog(); void refreshPreview(); void loadSettings(); signals: void fileNameChanged(); void sourceTypeChanged(); void hostChanged(); void portChanged(); void checkedFitsTableToMatrix(const bool enable); friend class HDFOptionsWidget; // to access refreshPreview() friend class NetCDFOptionsWidget; // to access refreshPreview() and others }; #endif