diff --git a/src/backend/datasources/LiveDataSource.cpp b/src/backend/datasources/LiveDataSource.cpp index 960daf529..85dbe5a90 100644 --- a/src/backend/datasources/LiveDataSource.cpp +++ b/src/backend/datasources/LiveDataSource.cpp @@ -1,971 +1,979 @@ /*************************************************************************** File : LiveDataSource.cpp Project : LabPlot Description : Represents live data source -------------------------------------------------------------------- Copyright : (C) 2009-2019 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2017 Fabian Kristof (fkristofszabolcs@gmail.com) Copyright : (C) 2018 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 "backend/datasources/LiveDataSource.h" #include "backend/datasources/filters/AsciiFilter.h" #include "backend/datasources/filters/FITSFilter.h" #include "backend/datasources/filters/BinaryFilter.h" #include "backend/datasources/filters/ROOTFilter.h" #include "backend/core/Project.h" #include "commonfrontend/spreadsheet/SpreadsheetView.h" #include "kdefrontend/spreadsheet/PlotDataDialog.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include /*! \class LiveDataSource \brief Represents data stored in a file. Reading and writing is done with the help of appropriate I/O-filters. \ingroup datasources */ LiveDataSource::LiveDataSource(const QString& name, bool loading) : Spreadsheet(name, loading, AspectType::LiveDataSource), m_updateTimer(new QTimer(this)) { initActions(); connect(m_updateTimer, &QTimer::timeout, this, &LiveDataSource::read); } LiveDataSource::~LiveDataSource() { //stop reading before deleting the objects pauseReading(); delete m_filter; delete m_fileSystemWatcher; delete m_file; delete m_localSocket; delete m_tcpSocket; delete m_serialPort; delete m_updateTimer; } /*! * depending on the update type, periodically or on data changes, starts the timer or activates the file watchers, respectively. */ void LiveDataSource::ready() { DEBUG("LiveDataSource::ready() update type = " << ENUM_TO_STRING(LiveDataSource, UpdateType, m_updateType) << ", interval = " << m_updateInterval); switch (m_updateType) { case TimeInterval: m_updateTimer->start(m_updateInterval); DEBUG("STARTED TIMER. REMAINING TIME = " << m_updateTimer->remainingTime()); break; case NewData: DEBUG("STARTING WATCHER"); watch(); } } void LiveDataSource::initActions() { m_reloadAction = new QAction(QIcon::fromTheme("view-refresh"), i18n("Reload"), this); connect(m_reloadAction, &QAction::triggered, this, &LiveDataSource::read); m_toggleLinkAction = new QAction(i18n("Link the file"), this); m_toggleLinkAction->setCheckable(true); connect(m_toggleLinkAction, &QAction::triggered, this, &LiveDataSource::linkToggled); m_plotDataAction = new QAction(QIcon::fromTheme("office-chart-line"), i18n("Plot data"), this); connect(m_plotDataAction, &QAction::triggered, this, &LiveDataSource::plotData); } QWidget* LiveDataSource::view() const { if (!m_partView) { m_view = new SpreadsheetView(const_cast(this), true); m_partView = m_view; } return m_partView; } /*! * \brief Returns a list with the names of the available ports */ QStringList LiveDataSource::availablePorts() { QStringList ports; // qDebug() << "available ports count:" << QSerialPortInfo::availablePorts().size(); for (const QSerialPortInfo& sp : QSerialPortInfo::availablePorts()) { ports.append(sp.portName()); DEBUG(" port " << sp.portName().toStdString() << ": " << sp.systemLocation().toStdString() << sp.description().toStdString() << ' ' << sp.manufacturer().toStdString() << ' ' << sp.serialNumber().toStdString()); } // For Testing: // ports.append("/dev/pts/26"); return ports; } /*! * \brief Returns a list with the supported baud rates */ QStringList LiveDataSource::supportedBaudRates() { QStringList baudRates; for (const auto& baud : QSerialPortInfo::standardBaudRates()) baudRates.append(QString::number(baud)); return baudRates; } /*! * \brief Updates this data source at this moment */ void LiveDataSource::updateNow() { DEBUG("LiveDataSource::updateNow() update interval = " << m_updateInterval); m_updateTimer->stop(); read(); //restart the timer after update if (m_updateType == TimeInterval) m_updateTimer->start(m_updateInterval); } /*! * \brief Continue reading from the live data source after it was paused */ void LiveDataSource::continueReading() { m_paused = false; switch (m_updateType) { case TimeInterval: m_updateTimer->start(m_updateInterval); break; case NewData: connect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, &LiveDataSource::read); } } /*! * \brief Pause the reading of the live data source */ void LiveDataSource::pauseReading() { m_paused = true; switch (m_updateType) { case TimeInterval: m_updateTimer->stop(); break; case NewData: disconnect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, &LiveDataSource::read); } } void LiveDataSource::setFileName(const QString& name) { m_fileName = name; } QString LiveDataSource::fileName() const { return m_fileName; } /*! * \brief Sets the local socket's server name to name * \param name */ void LiveDataSource::setLocalSocketName(const QString& name) { m_localSocketName = name; } QString LiveDataSource::localSocketName() const { return m_localSocketName; } void LiveDataSource::setFileType(AbstractFileFilter::FileType type) { m_fileType = type; } AbstractFileFilter::FileType LiveDataSource::fileType() const { return m_fileType; } void LiveDataSource::setFilter(AbstractFileFilter* f) { delete m_filter; m_filter = f; } AbstractFileFilter* LiveDataSource::filter() const { return m_filter; } /*! sets whether the file should be watched or not. In the first case the data source will be automatically updated on file changes. */ void LiveDataSource::setFileWatched(bool b) { m_fileWatched = b; } bool LiveDataSource::isFileWatched() const { return m_fileWatched; } /*! * \brief Sets the serial port's baud rate * \param baudrate */ void LiveDataSource::setBaudRate(int baudrate) { m_baudRate = baudrate; } int LiveDataSource::baudRate() const { return m_baudRate; } /*! * \brief Sets the source's update interval to \c interval * \param interval */ void LiveDataSource::setUpdateInterval(int interval) { m_updateInterval = interval; if (!m_paused) m_updateTimer->start(m_updateInterval); } int LiveDataSource::updateInterval() const { return m_updateInterval; } /*! * \brief Sets how many values we should keep when keepLastValues is true * \param keepnvalues */ void LiveDataSource::setKeepNValues(int keepnvalues) { m_keepNValues = keepnvalues; } int LiveDataSource::keepNValues() const { return m_keepNValues; } /*! * \brief Sets the network socket's port to port * \param port */ void LiveDataSource::setPort(quint16 port) { m_port = port; } void LiveDataSource::setBytesRead(qint64 bytes) { m_bytesRead = bytes; } int LiveDataSource::bytesRead() const { return m_bytesRead; } int LiveDataSource::port() const { return m_port; } /*! * \brief Sets the serial port's name to name * \param name */ void LiveDataSource::setSerialPort(const QString& name) { m_serialPortName = name; } QString LiveDataSource::serialPortName() const { return m_serialPortName; } bool LiveDataSource::isPaused() const { return m_paused; } /*! * \brief Sets the sample size to size * \param size */ void LiveDataSource::setSampleSize(int size) { m_sampleSize = size; } int LiveDataSource::sampleSize() const { return m_sampleSize; } /*! * \brief Sets the source's type to sourcetype * \param sourcetype */ void LiveDataSource::setSourceType(SourceType sourcetype) { m_sourceType = sourcetype; } LiveDataSource::SourceType LiveDataSource::sourceType() const { return m_sourceType; } /*! * \brief Sets the source's reading type to readingType * \param readingType */ void LiveDataSource::setReadingType(ReadingType readingType) { m_readingType = readingType; } LiveDataSource::ReadingType LiveDataSource::readingType() const { return m_readingType; } /*! * \brief Sets the source's update type to updatetype and handles this change * \param updatetype */ void LiveDataSource::setUpdateType(UpdateType updatetype) { switch (updatetype) { case NewData: m_updateTimer->stop(); if (m_fileSystemWatcher == nullptr) watch(); else connect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, &LiveDataSource::read); break; case TimeInterval: if (m_fileSystemWatcher) disconnect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, &LiveDataSource::read); } m_updateType = updatetype; } LiveDataSource::UpdateType LiveDataSource::updateType() const { return m_updateType; } /*! * \brief Sets the network socket's host * \param host */ void LiveDataSource::setHost(const QString& host) { m_host = host.simplified(); } QString LiveDataSource::host() const { return m_host; } /*! sets whether only a link to the file is saved in the project file (\c b=true) or the whole content of the file (\c b=false). */ void LiveDataSource::setFileLinked(bool b) { m_fileLinked = b; } /*! returns \c true if only a link to the file is saved in the project file. \c false otherwise. */ bool LiveDataSource::isFileLinked() const { return m_fileLinked; } +void LiveDataSource::setUseRelativePath(bool b) { + m_useRelativePath = b; +} + +bool LiveDataSource::useRelativePath() const { + return m_useRelativePath; +} + QIcon LiveDataSource::icon() const { QIcon icon; switch (m_fileType) { case AbstractFileFilter::Ascii: icon = QIcon::fromTheme("text-plain"); break; case AbstractFileFilter::Binary: icon = QIcon::fromTheme("application-octet-stream"); break; case AbstractFileFilter::Image: icon = QIcon::fromTheme("image-x-generic"); break; // TODO: missing icons case AbstractFileFilter::HDF5: case AbstractFileFilter::NETCDF: break; case AbstractFileFilter::FITS: icon = QIcon::fromTheme("kstars_fitsviewer"); break; case AbstractFileFilter::JSON: icon = QIcon::fromTheme("application-json"); break; case AbstractFileFilter::ROOT: case AbstractFileFilter::NgspiceRawAscii: case AbstractFileFilter::NgspiceRawBinary: break; } return icon; } QMenu* LiveDataSource::createContextMenu() { QMenu* menu = AbstractPart::createContextMenu(); QAction* firstAction = nullptr; // if we're populating the context menu for the project explorer, then //there're already actions available there. Skip the first title-action //and insert the action at the beginning of the menu. if (menu->actions().size() > 1) firstAction = menu->actions().at(1); menu->insertAction(firstAction, m_plotDataAction); menu->insertSeparator(firstAction); //TODO: doesn't always make sense... // if (!m_fileWatched) // menu->insertAction(firstAction, m_reloadAction); // // m_toggleWatchAction->setChecked(m_fileWatched); // menu->insertAction(firstAction, m_toggleWatchAction); // // m_toggleLinkAction->setChecked(m_fileLinked); // menu->insertAction(firstAction, m_toggleLinkAction); return menu; } //############################################################################## //################################# SLOTS #################################### //############################################################################## /* * called periodically or on new data changes (file changed, new data in the socket, etc.) */ void LiveDataSource::read() { DEBUG("\nLiveDataSource::read()"); if (!m_filter) return; if (m_reading) return; m_reading = true; //initialize the device (file, socket, serial port) when calling this function for the first time if (!m_prepared) { DEBUG(" Preparing device: update type = " << ENUM_TO_STRING(LiveDataSource, UpdateType, m_updateType)); switch (m_sourceType) { case FileOrPipe: m_file = new QFile(m_fileName); m_device = m_file; break; case NetworkTcpSocket: m_tcpSocket = new QTcpSocket(this); m_device = m_tcpSocket; m_tcpSocket->connectToHost(m_host, m_port, QIODevice::ReadOnly); connect(m_tcpSocket, &QTcpSocket::readyRead, this, &LiveDataSource::readyRead); connect(m_tcpSocket, static_cast(&QTcpSocket::error), this, &LiveDataSource::tcpSocketError); break; case NetworkUdpSocket: m_udpSocket = new QUdpSocket(this); m_device = m_udpSocket; m_udpSocket->bind(QHostAddress(m_host), m_port); m_udpSocket->connectToHost(m_host, 0, QUdpSocket::ReadOnly); // only connect to readyRead when update is on new data if (m_updateType == NewData) connect(m_udpSocket, &QUdpSocket::readyRead, this, &LiveDataSource::readyRead); connect(m_udpSocket, static_cast(&QUdpSocket::error), this, &LiveDataSource::tcpSocketError); break; case LocalSocket: m_localSocket = new QLocalSocket(this); m_device = m_localSocket; m_localSocket->connectToServer(m_localSocketName, QLocalSocket::ReadOnly); connect(m_localSocket, &QLocalSocket::readyRead, this, &LiveDataSource::readyRead); connect(m_localSocket, static_cast(&QLocalSocket::error), this, &LiveDataSource::localSocketError); break; case SerialPort: m_serialPort = new QSerialPort(this); m_device = m_serialPort; DEBUG(" Serial: " << m_serialPortName.toStdString() << ", " << m_baudRate); m_serialPort->setBaudRate(m_baudRate); m_serialPort->setPortName(m_serialPortName); m_serialPort->open(QIODevice::ReadOnly); // only connect to readyRead when update is on new data if (m_updateType == NewData) connect(m_serialPort, &QSerialPort::readyRead, this, &LiveDataSource::readyRead); connect(m_serialPort, static_cast(&QSerialPort::error), this, &LiveDataSource::serialPortError); break; case MQTT: break; } m_prepared = true; } qint64 bytes = 0; switch (m_sourceType) { case FileOrPipe: DEBUG("Reading FileOrPipe. type = " << ENUM_TO_STRING(AbstractFileFilter, FileType, m_fileType)); switch (m_fileType) { case AbstractFileFilter::Ascii: if (m_readingType == LiveDataSource::ReadingType::WholeFile) { static_cast(m_filter)->readFromLiveDevice(*m_file, this, 0); } else { bytes = static_cast(m_filter)->readFromLiveDevice(*m_file, this, m_bytesRead); m_bytesRead += bytes; DEBUG("Read " << bytes << " bytes, in total: " << m_bytesRead); } break; case AbstractFileFilter::Binary: //TODO: not implemented yet // bytes = qSharedPointerCast(m_filter)->readFromLiveDevice(*m_file, this, m_bytesRead); // m_bytesRead += bytes; case AbstractFileFilter::ROOT: case AbstractFileFilter::NgspiceRawAscii: case AbstractFileFilter::NgspiceRawBinary: //only re-reading of the whole file is supported m_filter->readDataFromFile(m_fileName, this); break; //TODO: other types not implemented yet case AbstractFileFilter::Image: case AbstractFileFilter::HDF5: case AbstractFileFilter::NETCDF: case AbstractFileFilter::FITS: case AbstractFileFilter::JSON: break; } break; case NetworkTcpSocket: DEBUG("reading from TCP socket. state before abort = " << m_tcpSocket->state()); m_tcpSocket->abort(); m_tcpSocket->connectToHost(m_host, m_port, QIODevice::ReadOnly); DEBUG("reading from TCP socket. state after reconnect = " << m_tcpSocket->state()); break; case NetworkUdpSocket: DEBUG(" Reading from UDP socket. state = " << m_udpSocket->state()); // reading data here if (m_fileType == AbstractFileFilter::Ascii) static_cast(m_filter)->readFromLiveDeviceNotFile(*m_device, this); break; case LocalSocket: DEBUG(" Reading from local socket. state before abort = " << m_localSocket->state()); if (m_localSocket->state() == QLocalSocket::ConnectingState) m_localSocket->abort(); m_localSocket->connectToServer(m_localSocketName, QLocalSocket::ReadOnly); if (m_localSocket->waitForConnected()) m_localSocket->waitForReadyRead(); DEBUG(" Reading from local socket. state after reconnect = " << m_localSocket->state()); break; case SerialPort: DEBUG(" Reading from serial port"); // reading data here if (m_fileType == AbstractFileFilter::Ascii) static_cast(m_filter)->readFromLiveDeviceNotFile(*m_device, this); break; case MQTT: break; } m_reading = false; } /*! * Slot for the signal that is emitted once every time new data is available for reading from the device (not UDP or Serial). * It will only be emitted again once new data is available, such as when a new payload of network data has arrived on the network socket, * or when a new block of data has been appended to your device. */ void LiveDataSource::readyRead() { DEBUG("LiveDataSource::readyRead() update type = " << ENUM_TO_STRING(LiveDataSource,UpdateType,m_updateType)); DEBUG(" REMAINING TIME = " << m_updateTimer->remainingTime()); if (m_fileType == AbstractFileFilter::Ascii) static_cast(m_filter)->readFromLiveDeviceNotFile(*m_device, this); //TODO: not implemented yet // else if (m_fileType == AbstractFileFilter::Binary) // dynamic_cast(m_filter)->readFromLiveDeviceNotFile(*m_device, this); //since we won't have the timer to call read() where we create new connections //for sequential devices in read() we just request data/connect to servers if (m_updateType == NewData) read(); } void LiveDataSource::localSocketError(QLocalSocket::LocalSocketError socketError) { Q_UNUSED(socketError); /*disconnect(m_localSocket, SIGNAL(error(QLocalSocket::LocalSocketError)), this, SLOT(localSocketError(QLocalSocket::LocalSocketError))); disconnect(m_localSocket, SIGNAL(readyRead()), this, SLOT(readyRead()));*/ /*switch (socketError) { case QLocalSocket::ServerNotFoundError: QMessageBox::critical(0, i18n("Local Socket Error"), i18n("The socket was not found. Please check the socket name.")); break; case QLocalSocket::ConnectionRefusedError: QMessageBox::critical(0, i18n("Local Socket Error"), i18n("The connection was refused by the peer")); break; case QLocalSocket::PeerClosedError: QMessageBox::critical(0, i18n("Local Socket Error"), i18n("The socket has closed the connection.")); break; default: QMessageBox::critical(0, i18n("Local Socket Error"), i18n("The following error occurred: %1.", m_localSocket->errorString())); }*/ } void LiveDataSource::tcpSocketError(QAbstractSocket::SocketError socketError) { Q_UNUSED(socketError); /*switch (socketError) { case QAbstractSocket::ConnectionRefusedError: QMessageBox::critical(0, i18n("TCP Socket Error"), i18n("The connection was refused by the peer. Make sure the server is running and check the host name and port settings.")); break; case QAbstractSocket::RemoteHostClosedError: QMessageBox::critical(0, i18n("TCP Socket Error"), i18n("The remote host closed the connection.")); break; case QAbstractSocket::HostNotFoundError: QMessageBox::critical(0, i18n("TCP Socket Error"), i18n("The host was not found. Please check the host name and port settings.")); break; default: QMessageBox::critical(0, i18n("TCP Socket Error"), i18n("The following error occurred: %1.", m_tcpSocket->errorString())); }*/ } void LiveDataSource::serialPortError(QSerialPort::SerialPortError serialPortError) { switch (serialPortError) { case QSerialPort::DeviceNotFoundError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("Failed to open the device.")); break; case QSerialPort::PermissionError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("Failed to open the device. Please check your permissions on this device.")); break; case QSerialPort::OpenError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("Device already opened.")); break; case QSerialPort::NotOpenError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("The device is not opened.")); break; case QSerialPort::ReadError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("Failed to read data.")); break; case QSerialPort::ResourceError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("Failed to read data. The device is removed.")); break; case QSerialPort::TimeoutError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("The device timed out.")); break; #ifndef _MSC_VER //MSVC complains about the usage of deprecated enums, g++ and clang complain about missing enums case QSerialPort::ParityError: case QSerialPort::FramingError: case QSerialPort::BreakConditionError: #endif case QSerialPort::WriteError: case QSerialPort::UnsupportedOperationError: case QSerialPort::UnknownError: QMessageBox::critical(nullptr, i18n("Serial Port Error"), i18n("The following error occurred: %1.", m_serialPort->errorString())); break; case QSerialPort::NoError: break; } } void LiveDataSource::watchToggled() { m_fileWatched = !m_fileWatched; watch(); project()->setChanged(true); } void LiveDataSource::linkToggled() { m_fileLinked = !m_fileLinked; project()->setChanged(true); } /*! * Watch the file upon reading for changes if required * uses m_fileName for FileOrPipe and LocalSocket */ void LiveDataSource::watch() { DEBUG("LiveDataSource::watch() file name = " << m_fileName.toStdString()); if (m_fileWatched) { DEBUG(" file is watched"); if (!m_fileSystemWatcher) { m_fileSystemWatcher = new QFileSystemWatcher; //connect to file changes to read the new data connect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, &LiveDataSource::read); //connect to file changes to re-add the file path again - need to cope with deletion of files in text editors which //on save create a new file in the temp folder first and then swap with the original one. connect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, [=]() {m_fileSystemWatcher->addPath(m_fileName);}); } if (!m_fileSystemWatcher->files().contains(m_fileName)) m_fileSystemWatcher->addPath(m_fileName); } else { DEBUG(" file is not watched"); if (m_fileSystemWatcher) m_fileSystemWatcher->removePath(m_fileName); } } void LiveDataSource::plotData() { auto* dlg = new PlotDataDialog(this); dlg->exec(); } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## /*! Saves as XML. */ void LiveDataSource::save(QXmlStreamWriter* writer) const { writer->writeStartElement("LiveDataSource"); writeBasicAttributes(writer); writeCommentElement(writer); //general writer->writeStartElement("general"); writer->writeAttribute("fileName", m_fileName); writer->writeAttribute("fileType", QString::number(m_fileType)); writer->writeAttribute("fileWatched", QString::number(m_fileWatched)); writer->writeAttribute("fileLinked", QString::number(m_fileLinked)); writer->writeAttribute("updateType", QString::number(m_updateType)); writer->writeAttribute("readingType", QString::number(m_readingType)); writer->writeAttribute("sourceType", QString::number(m_sourceType)); writer->writeAttribute("keepNValues", QString::number(m_keepNValues)); if (m_updateType == TimeInterval) writer->writeAttribute("updateInterval", QString::number(m_updateInterval)); if (m_readingType != TillEnd) writer->writeAttribute("sampleSize", QString::number(m_sampleSize)); switch (m_sourceType) { case SerialPort: writer->writeAttribute("baudRate", QString::number(m_baudRate)); writer->writeAttribute("serialPortName", m_serialPortName); break; case NetworkTcpSocket: case NetworkUdpSocket: writer->writeAttribute("host", m_host); writer->writeAttribute("port", QString::number(m_port)); break; case FileOrPipe: break; case LocalSocket: break; case MQTT: break; default: break; } writer->writeEndElement(); //filter m_filter->save(writer); //columns if (!m_fileLinked) { for (auto* col : children(IncludeHidden)) col->save(writer); } writer->writeEndElement(); // "LiveDataSource" } /*! Loads from XML. */ bool LiveDataSource::load(XmlStreamReader* reader, bool preview) { if (!readBasicAttributes(reader)) return false; KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "LiveDataSource") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (reader->name() == "general") { attribs = reader->attributes(); str = attribs.value("fileName").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("fileName").toString()); else m_fileName = str; str = attribs.value("fileType").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("fileType").toString()); else m_fileType = (AbstractFileFilter::FileType)str.toInt(); str = attribs.value("fileWatched").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("fileWatched").toString()); else m_fileWatched = str.toInt(); str = attribs.value("fileLinked").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("fileLinked").toString()); else m_fileLinked = str.toInt(); str = attribs.value("updateType").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("updateType").toString()); else m_updateType = static_cast(str.toInt()); str = attribs.value("sourceType").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("sourceType").toString()); else m_sourceType = static_cast(str.toInt()); str = attribs.value("readingType").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("readingType").toString()); else m_readingType = static_cast(str.toInt()); if (m_updateType == TimeInterval) { str = attribs.value("updateInterval").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("updateInterval").toString()); else m_updateInterval = str.toInt(); } if (m_readingType != TillEnd) { str = attribs.value("sampleSize").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("sampleSize").toString()); else m_sampleSize = str.toInt(); } switch (m_sourceType) { case SerialPort: str = attribs.value("baudRate").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("baudRate").toString()); else m_baudRate = str.toInt(); str = attribs.value("serialPortName").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("serialPortName").toString()); else m_serialPortName = str; break; case NetworkTcpSocket: case NetworkUdpSocket: str = attribs.value("host").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("host").toString()); else m_host = str; str = attribs.value("port").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("port").toString()); else m_host = str; break; case MQTT: break; case FileOrPipe: break; case LocalSocket: break; default: break; } } else if (reader->name() == "asciiFilter") { setFilter(new AsciiFilter); if (!m_filter->load(reader)) return false; } else if (reader->name() == "rootFilter") { setFilter(new ROOTFilter); if (!m_filter->load(reader)) return false; } else if (reader->name() == "column") { Column* column = new Column(QString(), AbstractColumn::Text); if (!column->load(reader, preview)) { delete column; setColumnCount(0); return false; } addChild(column); } else {// unknown element reader->raiseWarning(i18n("unknown element '%1'", reader->name().toString())); if (!reader->skipToEndElement()) return false; } } //read the content of the file if it was only linked if (m_fileLinked && QFile::exists(m_fileName)) this->read(); if (m_fileWatched) watch(); return !reader->hasError(); } diff --git a/src/backend/datasources/LiveDataSource.h b/src/backend/datasources/LiveDataSource.h index 61cfcd7d8..8d6345f12 100644 --- a/src/backend/datasources/LiveDataSource.h +++ b/src/backend/datasources/LiveDataSource.h @@ -1,214 +1,218 @@ /*************************************************************************** File : LiveDataSource.h Project : LabPlot Description : File data source -------------------------------------------------------------------- Copyright : (C) 2017 Fabian Kristof (fkristofszabolcs@gmail.com) Copyright : (C) 2017-2018 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2018 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 * * * ***************************************************************************/ #ifndef LIVEDATASOURCE_H #define LIVEDATASOURCE_H #include "backend/spreadsheet/Spreadsheet.h" #include "backend/matrix/Matrix.h" #include #include #include #include #include class QString; class AbstractFileFilter; class QFileSystemWatcher; class QAction; class QTcpSocket; class QUdpSocket; class QFile; class LiveDataSource : public Spreadsheet { Q_OBJECT Q_ENUMS(SourceType) Q_ENUMS(UpdateType) Q_ENUMS(ReadingType) public: enum SourceType { FileOrPipe = 0, // regular file or pipe NetworkTcpSocket, // TCP socket NetworkUdpSocket, // UDP socket LocalSocket, // local socket SerialPort, // serial port MQTT }; enum UpdateType { TimeInterval = 0, // update periodically using given interval NewData // update when new data is available }; enum ReadingType { ContinuousFixed = 0, // read continuously sampleSize number of samples (lines) FromEnd, // read sampleSize number of samples (lines) from end TillEnd, // read until the end WholeFile // reread whole file }; explicit LiveDataSource(const QString& name, bool loading = false); ~LiveDataSource() override; void ready(); static QStringList supportedBaudRates(); static QStringList availablePorts(); void setFileType(const AbstractFileFilter::FileType); AbstractFileFilter::FileType fileType() const; UpdateType updateType() const; void setUpdateType(UpdateType); SourceType sourceType() const; void setSourceType(SourceType); ReadingType readingType() const; void setReadingType(ReadingType); int sampleSize() const; void setSampleSize(int); void setBytesRead(qint64 bytes); int bytesRead() const; int port() const; void setPort(quint16); bool isPaused() const; void setSerialPort(const QString& name); QString serialPortName() const; QString host() const; void setHost(const QString&); int baudRate() const; void setBaudRate(int); void setUpdateInterval(int); int updateInterval() const; void setKeepNValues(int); int keepNValues() const; void setKeepLastValues(bool); bool keepLastValues() const; void setFileWatched(bool); bool isFileWatched() const; void setFileLinked(bool); bool isFileLinked() const; + void setUseRelativePath(bool); + bool useRelativePath() const; + void setFileName(const QString&); QString fileName() const; void setLocalSocketName(const QString&); QString localSocketName() const; void updateNow(); void pauseReading(); void continueReading(); void setFilter(AbstractFileFilter*); AbstractFileFilter* filter() const; QIcon icon() const override; QMenu* createContextMenu() override; QWidget* view() const override; void save(QXmlStreamWriter*) const override; bool load(XmlStreamReader*, bool preview) override; private: void initActions(); void watch(); QString m_fileName; QString m_serialPortName; QString m_localSocketName; QString m_host; AbstractFileFilter::FileType m_fileType{AbstractFileFilter::Ascii}; UpdateType m_updateType; SourceType m_sourceType; ReadingType m_readingType; bool m_fileWatched{false}; bool m_fileLinked{false}; + bool m_useRelativePath{false}; bool m_paused{false}; bool m_prepared{false}; bool m_reading{false}; int m_sampleSize{1}; int m_keepNValues{0}; // number of values to keep (0 - all) int m_updateInterval{1000}; quint16 m_port{1027}; int m_baudRate{9600}; qint64 m_bytesRead{0}; AbstractFileFilter* m_filter{nullptr}; QTimer* m_updateTimer; QFileSystemWatcher* m_fileSystemWatcher{nullptr}; QFile* m_file{nullptr}; QLocalSocket* m_localSocket{nullptr}; QTcpSocket* m_tcpSocket{nullptr}; QUdpSocket* m_udpSocket{nullptr}; QSerialPort* m_serialPort{nullptr}; QIODevice* m_device{nullptr}; QAction* m_reloadAction; QAction* m_toggleLinkAction; QAction* m_showEditorAction; QAction* m_showSpreadsheetAction; QAction* m_plotDataAction; public slots: void read(); private slots: void watchToggled(); void linkToggled(); void plotData(); void readyRead(); void localSocketError(QLocalSocket::LocalSocketError); void tcpSocketError(QAbstractSocket::SocketError); void serialPortError(QSerialPort::SerialPortError); }; #endif diff --git a/src/kdefrontend/datasources/ImportFileWidget.cpp b/src/kdefrontend/datasources/ImportFileWidget.cpp index 196941210..b3aaaaecb 100644 --- a/src/kdefrontend/datasources/ImportFileWidget.cpp +++ b/src/kdefrontend/datasources/ImportFileWidget.cpp @@ -1,2111 +1,2126 @@ /*************************************************************************** File : ImportFileWidget.cpp Project : LabPlot Description : import file data widget -------------------------------------------------------------------- Copyright : (C) 2009-2018 Stefan Gerlach (stefan.gerlach@uni.kn) Copyright : (C) 2009-2019 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2017-2018 Fabian Kristof (fkristofszabolcs@gmail.com) Copyright : (C) 2018-2019 Kovacs Ferencz (kferike98@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/filters.h" #include "AsciiOptionsWidget.h" #include "BinaryOptionsWidget.h" #include "HDF5OptionsWidget.h" #include "ImageOptionsWidget.h" #include "NetCDFOptionsWidget.h" #include "FITSOptionsWidget.h" #include "JsonOptionsWidget.h" #include "ROOTOptionsWidget.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_MQTT #include "kdefrontend/widgets/MQTTWillSettingsWidget.h" #include "MQTTConnectionManagerDialog.h" #include "MQTTSubscriptionWidget.h" #include #include #include #include #include #include #include #endif /*! \class ImportFileWidget \brief Widget for importing data from a file. \ingroup kdefrontend */ ImportFileWidget::ImportFileWidget(QWidget* parent, bool liveDataSource, const QString& fileName) : QWidget(parent), m_fileName(fileName), m_liveDataSource(liveDataSource) #ifdef HAVE_MQTT , m_connectTimeoutTimer(new QTimer(this)), m_subscriptionWidget(new MQTTSubscriptionWidget(this)) #endif { ui.setupUi(this); //add supported file types if (!liveDataSource) { ui.cbFileType->addItem(i18n("ASCII data"), AbstractFileFilter::Ascii); ui.cbFileType->addItem(i18n("Binary data"), AbstractFileFilter::Binary); ui.cbFileType->addItem(i18n("Image"), AbstractFileFilter::Image); #ifdef HAVE_HDF5 ui.cbFileType->addItem(i18n("Hierarchical Data Format 5 (HDF5)"), AbstractFileFilter::HDF5); #endif #ifdef HAVE_NETCDF ui.cbFileType->addItem(i18n("Network Common Data Format (NetCDF)"), AbstractFileFilter::NETCDF); #endif #ifdef HAVE_FITS ui.cbFileType->addItem(i18n("Flexible Image Transport System Data Format (FITS)"), AbstractFileFilter::FITS); #endif ui.cbFileType->addItem(i18n("JSON data"), AbstractFileFilter::JSON); #ifdef HAVE_ZIP ui.cbFileType->addItem(i18n("ROOT (CERN)"), AbstractFileFilter::ROOT); #endif ui.cbFileType->addItem(i18n("Ngspice RAW ASCII"), AbstractFileFilter::NgspiceRawAscii); ui.cbFileType->addItem(i18n("Ngspice RAW Binary"), AbstractFileFilter::NgspiceRawBinary); //hide widgets relevant for live data reading only ui.lSourceType->hide(); ui.cbSourceType->hide(); ui.gbUpdateOptions->hide(); } else { ui.cbFileType->addItem(i18n("ASCII data"), AbstractFileFilter::Ascii); ui.cbFileType->addItem(i18n("Binary data"), AbstractFileFilter::Binary); #ifdef HAVE_ZIP ui.cbFileType->addItem(i18n("ROOT (CERN)"), AbstractFileFilter::ROOT); #endif ui.cbFileType->addItem(i18n("Ngspice RAW ASCII"), AbstractFileFilter::NgspiceRawAscii); ui.cbFileType->addItem(i18n("Ngspice RAW Binary"), AbstractFileFilter::NgspiceRawBinary); ui.lePort->setValidator( new QIntValidator(ui.lePort) ); ui.cbBaudRate->addItems(LiveDataSource::supportedBaudRates()); ui.cbSerialPort->addItems(LiveDataSource::availablePorts()); ui.tabWidget->removeTab(2); + ui.chbLinkFile->setToolTip(i18n("If this option is checked, only the link to the file is stored in the project file but not its content.")); + ui.chbRelativePath->setToolTip(i18n("If this option is checked, the relative path of the file (relative to project's folder) will be saved.")); + #ifdef HAVE_MQTT m_connectTimeoutTimer->setInterval(6000); #endif } QStringList filterItems {i18n("Automatic"), i18n("Custom")}; ui.cbFilter->addItems(filterItems); //hide options that will be activated on demand ui.gbOptions->hide(); ui.gbUpdateOptions->hide(); setMQTTVisible(false); ui.cbReadingType->addItem(i18n("Whole file"), LiveDataSource::WholeFile); ui.bOpen->setIcon( QIcon::fromTheme(QLatin1String("document-open")) ); ui.bFileInfo->setIcon( QIcon::fromTheme(QLatin1String("help-about")) ); ui.bManageFilters->setIcon( QIcon::fromTheme(QLatin1String("configure")) ); ui.bSaveFilter->setIcon( QIcon::fromTheme(QLatin1String("document-save")) ); ui.bRefreshPreview->setIcon( QIcon::fromTheme(QLatin1String("view-refresh")) ); ui.tvJson->header()->setSectionResizeMode(QHeaderView::ResizeToContents); ui.tvJson->setAlternatingRowColors(true); showJsonModel(false); // the table widget for preview m_twPreview = new QTableWidget(ui.tePreview); m_twPreview->verticalHeader()->hide(); m_twPreview->setEditTriggers(QTableWidget::NoEditTriggers); auto* layout = new QHBoxLayout; layout->addWidget(m_twPreview); ui.tePreview->setLayout(layout); m_twPreview->hide(); // the combobox for the import path m_cbFileName = new KUrlComboBox(KUrlComboBox::Mode::Files, ui.tePreview); m_cbFileName->setMaxItems(7); auto* gridLayout = dynamic_cast(ui.gbDataSource->layout()); if (gridLayout) gridLayout->addWidget(m_cbFileName, 1, 2, 1, 3); #ifdef HAVE_MQTT ui.cbSourceType->addItem(QLatin1String("MQTT")); m_configPath = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation).constFirst() + QLatin1String("MQTT_connections"); //add subscriptions widget layout = new QHBoxLayout; layout->setContentsMargins(0, 0, 0, 0); layout->setSpacing(0); layout->addWidget(m_subscriptionWidget); ui.frameSubscriptions->setLayout(layout); ui.bManageConnections->setIcon(QIcon::fromTheme(QLatin1String("network-server"))); ui.bManageConnections->setToolTip(i18n("Manage MQTT connections")); QString info = i18n("Specify the 'Last Will and Testament' message (LWT). At least one topic has to be subscribed."); ui.lLWT->setToolTip(info); ui.bLWT->setToolTip(info); ui.bLWT->setEnabled(false); ui.bLWT->setIcon(ui.bLWT->style()->standardIcon(QStyle::SP_FileDialogDetailedView)); #endif //TODO: implement save/load of user-defined settings later and activate these buttons again ui.bSaveFilter->hide(); ui.bManageFilters->hide(); } void ImportFileWidget::loadSettings() { m_suppressRefresh = true; //load last used settings QString confName; if (m_liveDataSource) confName = QLatin1String("LiveDataImport"); else confName = QLatin1String("FileImport"); KConfigGroup conf(KSharedConfig::openConfig(), confName); //read the source type first since settings in fileNameChanged() depend on this ui.cbSourceType->setCurrentIndex(conf.readEntry("SourceType").toInt()); //general settings AbstractFileFilter::FileType fileType = static_cast(conf.readEntry("Type", 0)); for (int i = 0; i < ui.cbFileType->count(); ++i) { if (static_cast(ui.cbFileType->itemData(i).toInt()) == fileType) { if (ui.cbFileType->currentIndex() == i) initOptionsWidget(); else ui.cbFileType->setCurrentIndex(i); break; } } if (m_fileName.isEmpty()) { ui.cbFilter->setCurrentIndex(conf.readEntry("Filter", 0)); m_cbFileName->setUrl(conf.readEntry("LastImportedFile", "")); QStringList urls = m_cbFileName->urls(); urls.append(conf.readXdgListEntry("LastImportedFiles")); m_cbFileName->setUrls(urls); filterChanged(ui.cbFilter->currentIndex()); // needed if filter is not changed } else m_cbFileName->setUrl(QUrl(m_fileName)); //live data related settings ui.cbBaudRate->setCurrentIndex(conf.readEntry("BaudRate").toInt()); ui.cbReadingType->setCurrentIndex(conf.readEntry("ReadingType").toInt()); ui.cbSerialPort->setCurrentIndex(conf.readEntry("SerialPort").toInt()); ui.cbUpdateType->setCurrentIndex(conf.readEntry("UpdateType").toInt()); updateTypeChanged(ui.cbUpdateType->currentIndex()); ui.leHost->setText(conf.readEntry("Host","")); ui.sbKeepNValues->setValue(conf.readEntry("KeepNValues").toInt()); ui.lePort->setText(conf.readEntry("Port","")); ui.sbSampleSize->setValue(conf.readEntry("SampleSize").toInt()); ui.sbUpdateInterval->setValue(conf.readEntry("UpdateInterval").toInt()); + ui.chbLinkFile->setCheckState((Qt::CheckState)conf.readEntry("LinkFile").toInt()); + ui.chbRelativePath->setCheckState((Qt::CheckState)conf.readEntry("RelativePath").toInt()); #ifdef HAVE_MQTT //read available MQTT connections m_initialisingMQTT = true; readMQTTConnections(); ui.cbConnection->setCurrentIndex(ui.cbConnection->findText(conf.readEntry("Connection", ""))); m_initialisingMQTT = false; m_willSettings.enabled = conf.readEntry("mqttWillEnabled", m_willSettings.enabled); m_willSettings.willRetain = conf.readEntry("mqttWillRetain", m_willSettings.willRetain); m_willSettings.willUpdateType = static_cast(conf.readEntry("mqttWillUpdateType", (int)m_willSettings.willUpdateType)); m_willSettings.willMessageType = static_cast(conf.readEntry("mqttWillMessageType", (int)m_willSettings.willMessageType)); m_willSettings.willQoS = conf.readEntry("mqttWillQoS", (int)m_willSettings.willQoS); m_willSettings.willOwnMessage = conf.readEntry("mqttWillOwnMessage", m_willSettings.willOwnMessage); m_willSettings.willTimeInterval = conf.readEntry("mqttWillUpdateInterval", m_willSettings.willTimeInterval); const QString& willStatistics = conf.readEntry("mqttWillStatistics",""); const QStringList& statisticsList = willStatistics.split('|', QString::SplitBehavior::SkipEmptyParts); for (auto value : statisticsList) m_willSettings.willStatistics[value.toInt()] = true; #endif //initialize the slots after all settings were set in order to avoid unneeded refreshes initSlots(); //update the status of the widgets + ui.chbRelativePath->setVisible(ui.chbLinkFile->checkState() == Qt::Checked); fileTypeChanged(fileType); sourceTypeChanged(currentSourceType()); readingTypeChanged(ui.cbReadingType->currentIndex()); //all set now, refresh the preview m_suppressRefresh = false; QTimer::singleShot(0, this, [=] () { refreshPreview(); }); } 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", (int)currentFileType()); conf.writeEntry("Filter", ui.cbFilter->currentIndex()); conf.writeEntry("LastImportedFile", m_cbFileName->currentText()); conf.writeXdgListEntry("LastImportedFiles", m_cbFileName->urls()); //live data related settings conf.writeEntry("SourceType", (int)currentSourceType()); conf.writeEntry("UpdateType", ui.cbUpdateType->currentIndex()); conf.writeEntry("ReadingType", ui.cbReadingType->currentIndex()); conf.writeEntry("SampleSize", ui.sbSampleSize->value()); conf.writeEntry("KeepNValues", ui.sbKeepNValues->value()); 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()); + conf.writeEntry("LinkFile", (int)ui.chbLinkFile->checkState()); + conf.writeEntry("RelativePath", (int)ui.chbRelativePath->checkState()); #ifdef HAVE_MQTT delete m_connectTimeoutTimer; delete m_subscriptionWidget; //MQTT related settings conf.writeEntry("Connection", ui.cbConnection->currentText()); conf.writeEntry("mqttWillMessageType", static_cast(m_willSettings.willMessageType)); conf.writeEntry("mqttWillUpdateType", static_cast(m_willSettings.willUpdateType)); conf.writeEntry("mqttWillQoS", QString::number(m_willSettings.willQoS)); conf.writeEntry("mqttWillOwnMessage", m_willSettings.willOwnMessage); conf.writeEntry("mqttWillUpdateInterval", QString::number(m_willSettings.willTimeInterval)); QString willStatistics; for (int i = 0; i < m_willSettings.willStatistics.size(); ++i) { if (m_willSettings.willStatistics[i]) willStatistics += QString::number(i)+ QLatin1Char('|'); } conf.writeEntry("mqttWillStatistics", willStatistics); conf.writeEntry("mqttWillRetain", static_cast(m_willSettings.willRetain)); conf.writeEntry("mqttWillUse", static_cast(m_willSettings.enabled)); #endif // data type specific settings if (m_asciiOptionsWidget) m_asciiOptionsWidget->saveSettings(); if (m_binaryOptionsWidget) m_binaryOptionsWidget->saveSettings(); if (m_imageOptionsWidget) m_imageOptionsWidget->saveSettings(); if (m_jsonOptionsWidget) m_jsonOptionsWidget->saveSettings(); } void ImportFileWidget::initSlots() { //SLOTs for the general part of the data source configuration connect(ui.cbSourceType, static_cast(&QComboBox::currentIndexChanged), this, static_cast(&ImportFileWidget::sourceTypeChanged)); connect(m_cbFileName, &KUrlComboBox::urlActivated, this, [=](const QUrl &url){fileNameChanged(url.path());}); connect(ui.leHost, &QLineEdit::textChanged, this, &ImportFileWidget::hostChanged); connect(ui.lePort, &QLineEdit::textChanged, this, &ImportFileWidget::portChanged); connect(ui.tvJson, &QTreeView::clicked, this, &ImportFileWidget::refreshPreview); connect(ui.bOpen, &QPushButton::clicked, this, &ImportFileWidget::selectFile); connect(ui.bFileInfo, &QPushButton::clicked, this, &ImportFileWidget::fileInfoDialog); connect(ui.bSaveFilter, &QPushButton::clicked, this, &ImportFileWidget::saveFilter); connect(ui.bManageFilters, &QPushButton::clicked, this, &ImportFileWidget::manageFilters); connect(ui.cbFileType, static_cast(&KComboBox::currentIndexChanged), this, &ImportFileWidget::fileTypeChanged); connect(ui.cbUpdateType, static_cast(&QComboBox::currentIndexChanged), this, &ImportFileWidget::updateTypeChanged); connect(ui.cbReadingType, static_cast(&QComboBox::currentIndexChanged), this, &ImportFileWidget::readingTypeChanged); connect(ui.cbFilter, static_cast(&KComboBox::activated), this, &ImportFileWidget::filterChanged); connect(ui.bRefreshPreview, &QPushButton::clicked, this, &ImportFileWidget::refreshPreview); + connect(ui.chbLinkFile, &QCheckBox::stateChanged, [this](int state) { ui.chbRelativePath->setVisible((state == Qt::Checked));}); #ifdef HAVE_MQTT connect(ui.cbConnection, static_cast(&QComboBox::currentIndexChanged), this, &ImportFileWidget::mqttConnectionChanged); connect(m_connectTimeoutTimer, &QTimer::timeout, this, &ImportFileWidget::mqttConnectTimeout); connect(ui.cbFileType, static_cast(&QComboBox::currentIndexChanged), [this]() { emit checkFileType(); }); connect(ui.bManageConnections, &QPushButton::clicked, this, &ImportFileWidget::showMQTTConnectionManager); connect(ui.bLWT, &QPushButton::clicked, this, &ImportFileWidget::showWillSettings); connect(m_subscriptionWidget, &MQTTSubscriptionWidget::makeSubscription, this, &ImportFileWidget::mqttSubscribe); connect(m_subscriptionWidget, &MQTTSubscriptionWidget::MQTTUnsubscribeFromTopic, this, &ImportFileWidget::unsubscribeFromTopic); connect(m_subscriptionWidget, &MQTTSubscriptionWidget::enableWill, this, &ImportFileWidget::enableWill); connect(m_subscriptionWidget, &MQTTSubscriptionWidget::subscriptionChanged, this, &ImportFileWidget::refreshPreview); #endif } void ImportFileWidget::showAsciiHeaderOptions(bool b) { if (m_asciiOptionsWidget) m_asciiOptionsWidget->showAsciiHeaderOptions(b); } void ImportFileWidget::showJsonModel(bool b) { ui.tvJson->setVisible(b); ui.lField->setVisible(b); } void ImportFileWidget::showOptions(bool b) { ui.gbOptions->setVisible(b); if (m_liveDataSource) ui.gbUpdateOptions->setVisible(b); resize(layout()->minimumSize()); } QString ImportFileWidget::fileName() const { return m_cbFileName->currentText(); } QString ImportFileWidget::selectedObject() const { const QString& path = 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('.')); //for multi-dimensional formats like HDF, netCDF and FITS add the currently selected object const auto format = currentFileType(); if (format == AbstractFileFilter::HDF5) { const QStringList& hdf5Names = m_hdf5OptionsWidget->selectedNames(); if (hdf5Names.size()) name += hdf5Names.first(); //the names of the selected HDF5 objects already have '/' } else if (format == AbstractFileFilter::NETCDF) { const QStringList& names = m_netcdfOptionsWidget->selectedNames(); if (names.size()) name += QLatin1Char('/') + names.first(); } else if (format == AbstractFileFilter::FITS) { const QString& extensionName = m_fitsOptionsWidget->currentExtensionName(); if (!extensionName.isEmpty()) name += QLatin1Char('/') + extensionName; } else if (format == AbstractFileFilter::ROOT) { const QStringList& names = m_rootOptionsWidget->selectedNames(); if (names.size()) name += QLatin1Char('/') + names.first(); } return name; } /*! * 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 { AbstractFileFilter::FileType fileType = currentFileType(); auto updateType = static_cast(ui.cbUpdateType->currentIndex()); LiveDataSource::SourceType sourceType = currentSourceType(); auto readingType = static_cast(ui.cbReadingType->currentIndex()); source->setComment( fileName() ); source->setFileType(fileType); currentFileFilter(); source->setFilter(m_currentFilter.release()); // pass ownership of the filter to the LiveDataSource source->setSourceType(sourceType); source->setReadingType(readingType); if (updateType == LiveDataSource::UpdateType::TimeInterval) source->setUpdateInterval(ui.sbUpdateInterval->value()); else source->setFileWatched(true); source->setKeepNValues(ui.sbKeepNValues->value()); source->setUpdateType(updateType); if (readingType != LiveDataSource::ReadingType::TillEnd) source->setSampleSize(ui.sbSampleSize->value()); switch (sourceType) { case LiveDataSource::SourceType::FileOrPipe: source->setFileName(fileName()); source->setFileLinked(ui.chbLinkFile->isChecked()); + source->setUseRelativePath(ui.chbRelativePath->isChecked()); break; case LiveDataSource::SourceType::LocalSocket: source->setFileName(fileName()); source->setLocalSocketName(fileName()); break; case LiveDataSource::SourceType::NetworkTcpSocket: case LiveDataSource::SourceType::NetworkUdpSocket: source->setHost(ui.leHost->text()); source->setPort((quint16)ui.lePort->text().toInt()); break; case LiveDataSource::SourceType::SerialPort: source->setBaudRate(ui.cbBaudRate->currentText().toInt()); source->setSerialPort(ui.cbSerialPort->currentText()); break; case LiveDataSource::SourceType::MQTT: break; default: break; } } #ifdef HAVE_MQTT /*! saves the settings to the MQTTClient \c client. */ void ImportFileWidget::saveMQTTSettings(MQTTClient* client) const { DEBUG("ImportFileWidget::saveMQTTSettings"); MQTTClient::UpdateType updateType = static_cast(ui.cbUpdateType->currentIndex()); MQTTClient::ReadingType readingType = static_cast(ui.cbReadingType->currentIndex()); client->setComment(fileName()); currentFileFilter(); client->setFilter(static_cast(m_currentFilter.release())); // pass ownership of the filter to MQTTClient client->setReadingType(readingType); if (updateType == MQTTClient::UpdateType::TimeInterval) client->setUpdateInterval(ui.sbUpdateInterval->value()); client->setKeepNValues(ui.sbKeepNValues->value()); client->setUpdateType(updateType); if (readingType != MQTTClient::ReadingType::TillEnd) client->setSampleSize(ui.sbSampleSize->value()); client->setMQTTClientHostPort(m_client->hostname(), m_client->port()); KConfig config(m_configPath, KConfig::SimpleConfig); KConfigGroup group = config.group(ui.cbConnection->currentText()); bool useID = group.readEntry("UseID").toUInt(); bool useAuthentication = group.readEntry("UseAuthentication").toUInt(); client->setMQTTUseAuthentication(useAuthentication); if (useAuthentication) client->setMQTTClientAuthentication(m_client->username(), m_client->password()); client->setMQTTUseID(useID); if (useID) client->setMQTTClientId(m_client->clientId()); for (int i = 0; i < m_mqttSubscriptions.count(); ++i) client->addInitialMQTTSubscriptions(m_mqttSubscriptions[i]->topic(), m_mqttSubscriptions[i]->qos()); const bool retain = group.readEntry("Retain").toUInt(); client->setMQTTRetain(retain); if (m_willSettings.enabled) client->setWillSettings(m_willSettings); } #endif /*! returns the currently used file type. */ AbstractFileFilter::FileType ImportFileWidget::currentFileType() const { return static_cast(ui.cbFileType->currentData().toInt()); } LiveDataSource::SourceType ImportFileWidget::currentSourceType() const { return static_cast(ui.cbSourceType->currentIndex()); } /*! returns the currently used filter. */ AbstractFileFilter* ImportFileWidget::currentFileFilter() const { DEBUG("ImportFileWidget::currentFileFilter()"); AbstractFileFilter::FileType fileType = currentFileType(); if (m_currentFilter && m_currentFilter->type() != fileType) m_currentFilter.reset(); switch (fileType) { case AbstractFileFilter::Ascii: { DEBUG(" ASCII"); if (!m_currentFilter) m_currentFilter.reset(new AsciiFilter); auto filter = static_cast(m_currentFilter.get()); if (ui.cbFilter->currentIndex() == 0) //"automatic" filter->setAutoModeEnabled(true); else if (ui.cbFilter->currentIndex() == 1) { //"custom" filter->setAutoModeEnabled(false); if (m_asciiOptionsWidget) 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()); break; } case AbstractFileFilter::Binary: { DEBUG(" Binary"); if (!m_currentFilter) m_currentFilter.reset(new BinaryFilter); auto filter = static_cast(m_currentFilter.get()); if ( ui.cbFilter->currentIndex() == 0 ) //"automatic" filter->setAutoModeEnabled(true); else if (ui.cbFilter->currentIndex() == 1) { //"custom" filter->setAutoModeEnabled(false); if (m_binaryOptionsWidget) m_binaryOptionsWidget->applyFilterSettings(filter); } else { //TODO: load filter settings // filter->setFilterName( ui.cbFilter->currentText() ); } filter->setStartRow(ui.sbStartRow->value()); filter->setEndRow(ui.sbEndRow->value()); break; } case AbstractFileFilter::Image: { DEBUG(" Image"); if (!m_currentFilter) m_currentFilter.reset(new ImageFilter); auto filter = static_cast(m_currentFilter.get()); 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()); break; } case AbstractFileFilter::HDF5: { DEBUG("ImportFileWidget::currentFileFilter(): HDF5"); if (!m_currentFilter) m_currentFilter.reset(new HDF5Filter); auto filter = static_cast(m_currentFilter.get()); QStringList names = selectedHDF5Names(); QDEBUG("ImportFileWidget::currentFileFilter(): selected HDF5 names =" << names); 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()); DEBUG("ImportFileWidget::currentFileFilter(): OK"); break; } case AbstractFileFilter::NETCDF: { DEBUG(" NETCDF"); if (!m_currentFilter) m_currentFilter.reset(new NetCDFFilter); auto filter = static_cast(m_currentFilter.get()); 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()); break; } case AbstractFileFilter::FITS: { DEBUG(" FITS"); if (!m_currentFilter) m_currentFilter.reset(new FITSFilter); auto filter = static_cast(m_currentFilter.get()); filter->setStartRow(ui.sbStartRow->value()); filter->setEndRow(ui.sbEndRow->value()); filter->setStartColumn(ui.sbStartColumn->value()); filter->setEndColumn(ui.sbEndColumn->value()); break; } case AbstractFileFilter::JSON: { DEBUG(" JSON"); if (!m_currentFilter) m_currentFilter.reset(new JsonFilter); auto filter = static_cast(m_currentFilter.get()); m_jsonOptionsWidget->applyFilterSettings(filter, ui.tvJson->currentIndex()); filter->setStartRow(ui.sbStartRow->value()); filter->setEndRow(ui.sbEndRow->value()); filter->setStartColumn(ui.sbStartColumn->value()); filter->setEndColumn(ui.sbEndColumn->value()); break; } case AbstractFileFilter::ROOT: { DEBUG(" ROOT"); if (!m_currentFilter) m_currentFilter.reset(new ROOTFilter); auto filter = static_cast(m_currentFilter.get()); QStringList names = selectedROOTNames(); if (!names.isEmpty()) filter->setCurrentObject(names.first()); filter->setStartRow(m_rootOptionsWidget->startRow()); filter->setEndRow(m_rootOptionsWidget->endRow()); filter->setColumns(m_rootOptionsWidget->columns()); break; } case AbstractFileFilter::NgspiceRawAscii: { DEBUG(" NgspiceRawAscii"); if (!m_currentFilter) m_currentFilter.reset(new NgspiceRawAsciiFilter); auto filter = static_cast(m_currentFilter.get()); filter->setStartRow(ui.sbStartRow->value()); filter->setEndRow(ui.sbEndRow->value()); break; } case AbstractFileFilter::NgspiceRawBinary: { DEBUG(" NgspiceRawBinary"); if (!m_currentFilter) m_currentFilter.reset(new NgspiceRawBinaryFilter); auto filter = static_cast(m_currentFilter.get()); filter->setStartRow(ui.sbStartRow->value()); filter->setEndRow(ui.sbEndRow->value()); break; } } return m_currentFilter.get(); } /*! opens a file dialog and lets the user select the file data source. */ void ImportFileWidget::selectFile() { KConfigGroup conf(KSharedConfig::openConfig(), QLatin1String("ImportFileWidget")); const QString& dir = conf.readEntry(QLatin1String("LastDir"), ""); const QString& path = QFileDialog::getOpenFileName(this, i18n("Select the File Data Source"), dir); if (path.isEmpty()) //cancel was clicked in the file-dialog return; int pos = path.lastIndexOf(QDir::separator()); if (pos != -1) { QString newDir = path.left(pos); if (newDir != dir) conf.writeEntry(QLatin1String("LastDir"), newDir); } //process all events after the FileDialog was closed to repaint the widget //before we start calculating the preview QApplication::processEvents(QEventLoop::AllEvents, 0); QStringList urls = m_cbFileName->urls(); urls.insert(0, "file://"+path); // add type of path m_cbFileName->setUrls(urls); m_cbFileName->setCurrentText(urls.first()); fileNameChanged(path); // why do I have to call this function separately } /*! hides the MQTT related items of the widget */ void ImportFileWidget::setMQTTVisible(bool visible) { ui.lConnections->setVisible(visible); ui.cbConnection->setVisible(visible); ui.bManageConnections->setVisible(visible); //topics if (ui.cbConnection->currentIndex() != -1 && visible) { ui.lTopics->setVisible(true); ui.frameSubscriptions->setVisible(true); #ifdef HAVE_MQTT m_subscriptionWidget->setVisible(true); m_subscriptionWidget->makeVisible(true); #endif } else { ui.lTopics->setVisible(false); ui.frameSubscriptions->setVisible(false); #ifdef HAVE_MQTT m_subscriptionWidget->setVisible(false); m_subscriptionWidget->makeVisible(false); #endif } //will message ui.lLWT->setVisible(visible); ui.bLWT->setVisible(visible); } #ifdef HAVE_MQTT /*! * returns \c true if there is a valid connection to an MQTT broker and the user has subscribed to at least 1 topic, * returns \c false otherwise. */ bool ImportFileWidget::isMqttValid() { if (!m_client) return false; bool connected = (m_client->state() == QMqttClient::ClientState::Connected); bool subscribed = (m_subscriptionWidget->subscriptionCount() > 0); bool fileTypeOk = false; if (this->currentFileType() == AbstractFileFilter::FileType::Ascii) fileTypeOk = true; return connected && subscribed && fileTypeOk; } /*! *\brief Unsubscribes from the given topic, and removes any data connected to it * * \param topicName the name of a topic we want to unsubscribe from */ void ImportFileWidget::unsubscribeFromTopic(const QString& topicName, QVector children) { if (topicName.isEmpty()) return; QMqttTopicFilter filter{topicName}; m_client->unsubscribe(filter); for (int i = 0; i< m_mqttSubscriptions.count(); ++i) if (m_mqttSubscriptions[i]->topic().filter() == topicName) { m_mqttSubscriptions.remove(i); break; } QMapIterator j(m_lastMessage); while (j.hasNext()) { j.next(); if (MQTTSubscriptionWidget::checkTopicContains(topicName, j.key().name())) m_lastMessage.remove(j.key()); } for (int i = 0; i < m_subscribedTopicNames.size(); ++i) { if (MQTTSubscriptionWidget::checkTopicContains(topicName, m_subscribedTopicNames[i])) { m_subscribedTopicNames.remove(i); i--; } } if (m_willSettings.willTopic == topicName) { if (m_subscriptionWidget->subscriptionCount() > 0) m_willSettings.willTopic = children[0]->text(0); else m_willSettings.willTopic.clear(); } //signals that there was a change among the subscribed topics emit subscriptionsChanged(); refreshPreview(); } #endif /************** SLOTS **************************************************************/ QString absolutePath(const QString& fileName) { #ifndef HAVE_WINDOWS // make absolute path // FIXME if (!fileName.isEmpty() && fileName.at(0) != QDir::separator()) return QDir::homePath() + QDir::separator() + fileName; #endif return fileName; } /*! 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) { DEBUG("ImportFileWidget::fileNameChanged()"); const QString fileName = absolutePath(name); bool fileExists = QFile::exists(fileName); if (fileExists) m_cbFileName->setStyleSheet(QString()); else m_cbFileName->setStyleSheet("QComboBox{background:red;}"); ui.gbOptions->setEnabled(fileExists); ui.bManageFilters->setEnabled(fileExists); ui.cbFilter->setEnabled(fileExists); ui.cbFileType->setEnabled(fileExists); ui.bFileInfo->setEnabled(fileExists); ui.gbUpdateOptions->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(); initOptionsWidget(); emit fileNameChanged(); return; } if (currentSourceType() == LiveDataSource::FileOrPipe) { const AbstractFileFilter::FileType fileType = AbstractFileFilter::fileType(fileName); for (int i = 0; i < ui.cbFileType->count(); ++i) { if (static_cast(ui.cbFileType->itemData(i).toInt()) == fileType) { // automatically select a new file type if (ui.cbFileType->currentIndex() != i) { ui.cbFileType->setCurrentIndex(i); // will call the slot fileTypeChanged which updates content and preview emit fileNameChanged(); return; } else { initOptionsWidget(); updateContent(fileName); break; } } } } emit fileNameChanged(); refreshPreview(); } /*! 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 index) { Q_UNUSED(index); AbstractFileFilter::FileType fileType = currentFileType(); DEBUG("ImportFileWidget::fileTypeChanged " << ENUM_TO_STRING(AbstractFileFilter, FileType, fileType)); initOptionsWidget(); //default ui.lFilter->show(); ui.cbFilter->show(); //different file types show different number of tabs in ui.tabWidget. //when switching from the previous file type we re-set the tab widget to its original state //and remove/add the required tabs further below for (int i = 0; icount(); ++i) ui.tabWidget->removeTab(0); ui.tabWidget->addTab(ui.tabDataFormat, i18n("Data format")); ui.tabWidget->addTab(ui.tabDataPreview, i18n("Preview")); if (!m_liveDataSource) ui.tabWidget->addTab(ui.tabDataPortion, i18n("Data portion to read")); ui.lPreviewLines->show(); ui.sbPreviewLines->show(); ui.lStartColumn->show(); ui.sbStartColumn->show(); ui.lEndColumn->show(); ui.sbEndColumn->show(); showJsonModel(false); switch (fileType) { case AbstractFileFilter::Ascii: break; case AbstractFileFilter::Binary: ui.lStartColumn->hide(); ui.sbStartColumn->hide(); ui.lEndColumn->hide(); ui.sbEndColumn->hide(); break; case AbstractFileFilter::ROOT: ui.tabWidget->removeTab(1); // falls through case AbstractFileFilter::HDF5: case AbstractFileFilter::NETCDF: case AbstractFileFilter::FITS: 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 AbstractFileFilter::Image: ui.lFilter->hide(); ui.cbFilter->hide(); ui.lPreviewLines->hide(); ui.sbPreviewLines->hide(); break; case AbstractFileFilter::NgspiceRawAscii: case AbstractFileFilter::NgspiceRawBinary: ui.lFilter->hide(); ui.cbFilter->hide(); ui.lStartColumn->hide(); ui.sbStartColumn->hide(); ui.lEndColumn->hide(); ui.sbEndColumn->hide(); ui.tabWidget->removeTab(0); ui.tabWidget->setCurrentIndex(0); break; case AbstractFileFilter::JSON: ui.lFilter->hide(); ui.cbFilter->hide(); showJsonModel(true); break; default: DEBUG("unknown file type"); } 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); if (currentSourceType() == LiveDataSource::FileOrPipe) { QString tempFileName = fileName(); const QString& fileName = absolutePath(tempFileName); if (QFile::exists(fileName)) updateContent(fileName); } //for file types other than ASCII and binary we support re-reading the whole file only //select "read whole file" and deactivate the combobox if (m_liveDataSource && (fileType != AbstractFileFilter::Ascii && fileType != AbstractFileFilter::Binary)) { ui.cbReadingType->setCurrentIndex(LiveDataSource::ReadingType::WholeFile); ui.cbReadingType->setEnabled(false); } else ui.cbReadingType->setEnabled(true); refreshPreview(); } // file type specific option widgets void ImportFileWidget::initOptionsWidget() { DEBUG("ImportFileWidget::initOptionsWidget for " << ENUM_TO_STRING(AbstractFileFilter, FileType, currentFileType())); switch (currentFileType()) { case AbstractFileFilter::Ascii: { if (!m_asciiOptionsWidget) { QWidget* asciiw = new QWidget(); m_asciiOptionsWidget = std::unique_ptr(new AsciiOptionsWidget(asciiw)); m_asciiOptionsWidget->loadSettings(); ui.swOptions->addWidget(asciiw); } //for MQTT topics we don't allow to set the vector names since the different topics //can have different number of columns bool isMQTT = (currentSourceType() == LiveDataSource::MQTT); m_asciiOptionsWidget->showAsciiHeaderOptions(!isMQTT); m_asciiOptionsWidget->showTimestampOptions(isMQTT); ui.swOptions->setCurrentWidget(m_asciiOptionsWidget->parentWidget()); break; } case AbstractFileFilter::Binary: if (!m_binaryOptionsWidget) { QWidget* binaryw = new QWidget(); m_binaryOptionsWidget = std::unique_ptr(new BinaryOptionsWidget(binaryw)); ui.swOptions->addWidget(binaryw); m_binaryOptionsWidget->loadSettings(); } ui.swOptions->setCurrentWidget(m_binaryOptionsWidget->parentWidget()); break; case AbstractFileFilter::Image: if (!m_imageOptionsWidget) { QWidget* imagew = new QWidget(); m_imageOptionsWidget = std::unique_ptr(new ImageOptionsWidget(imagew)); ui.swOptions->addWidget(imagew); m_imageOptionsWidget->loadSettings(); } ui.swOptions->setCurrentWidget(m_imageOptionsWidget->parentWidget()); break; case AbstractFileFilter::HDF5: if (!m_hdf5OptionsWidget) { QWidget* hdf5w = new QWidget(); m_hdf5OptionsWidget = std::unique_ptr(new HDF5OptionsWidget(hdf5w, this)); ui.swOptions->addWidget(hdf5w); } else m_hdf5OptionsWidget->clear(); ui.swOptions->setCurrentWidget(m_hdf5OptionsWidget->parentWidget()); break; case AbstractFileFilter::NETCDF: if (!m_netcdfOptionsWidget) { QWidget* netcdfw = new QWidget(); m_netcdfOptionsWidget = std::unique_ptr(new NetCDFOptionsWidget(netcdfw, this)); ui.swOptions->insertWidget(AbstractFileFilter::NETCDF, netcdfw); } else m_netcdfOptionsWidget->clear(); ui.swOptions->setCurrentWidget(m_netcdfOptionsWidget->parentWidget()); break; case AbstractFileFilter::FITS: if (!m_fitsOptionsWidget) { QWidget* fitsw = new QWidget(); m_fitsOptionsWidget = std::unique_ptr(new FITSOptionsWidget(fitsw, this)); ui.swOptions->addWidget(fitsw); } else m_fitsOptionsWidget->clear(); ui.swOptions->setCurrentWidget(m_fitsOptionsWidget->parentWidget()); break; case AbstractFileFilter::JSON: if (!m_jsonOptionsWidget) { QWidget* jsonw = new QWidget(); m_jsonOptionsWidget = std::unique_ptr(new JsonOptionsWidget(jsonw, this)); ui.tvJson->setModel(m_jsonOptionsWidget->model()); ui.swOptions->addWidget(jsonw); m_jsonOptionsWidget->loadSettings(); } else m_jsonOptionsWidget->clearModel(); ui.swOptions->setCurrentWidget(m_jsonOptionsWidget->parentWidget()); showJsonModel(true); break; case AbstractFileFilter::ROOT: if (!m_rootOptionsWidget) { QWidget* rootw = new QWidget(); m_rootOptionsWidget = std::unique_ptr(new ROOTOptionsWidget(rootw, this)); ui.swOptions->addWidget(rootw); } else m_rootOptionsWidget->clear(); ui.swOptions->setCurrentWidget(m_rootOptionsWidget->parentWidget()); break; case AbstractFileFilter::NgspiceRawAscii: case AbstractFileFilter::NgspiceRawBinary: break; } } const QStringList ImportFileWidget::selectedHDF5Names() const { return m_hdf5OptionsWidget->selectedNames(); } const QStringList ImportFileWidget::selectedNetCDFNames() const { return m_netcdfOptionsWidget->selectedNames(); } const QStringList ImportFileWidget::selectedFITSExtensions() const { return m_fitsOptionsWidget->selectedExtensions(); } const QStringList ImportFileWidget::selectedROOTNames() const { return m_rootOptionsWidget->selectedNames(); } /*! shows the dialog with the information about the file(s) to be imported. */ void ImportFileWidget::fileInfoDialog() { QStringList files = fileName().split(';'); auto* 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 AbstractFileFilter::FileType fileType = currentFileType(); if (fileType != AbstractFileFilter::Ascii && fileType != AbstractFileFilter::Binary) { 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() { if (m_suppressRefresh) return; DEBUG("ImportFileWidget::refreshPreview()"); WAIT_CURSOR; QString tempFileName = fileName(); QString fileName = absolutePath(tempFileName); AbstractFileFilter::FileType fileType = currentFileType(); LiveDataSource::SourceType sourceType = currentSourceType(); int lines = ui.sbPreviewLines->value(); if (sourceType == LiveDataSource::SourceType::FileOrPipe) DEBUG("refreshPreview(): file name = " << fileName.toStdString()); // generic table widget if (fileType == AbstractFileFilter::Ascii || fileType == AbstractFileFilter::Binary || fileType == AbstractFileFilter::JSON || fileType == AbstractFileFilter::NgspiceRawAscii || fileType == AbstractFileFilter::NgspiceRawBinary) m_twPreview->show(); else m_twPreview->hide(); bool ok = true; QTableWidget* tmpTableWidget = m_twPreview; QVector importedStrings; QStringList vectorNameList; QVector columnModes; DEBUG("Data File Type: " << ENUM_TO_STRING(AbstractFileFilter, FileType, fileType)); switch (fileType) { case AbstractFileFilter::Ascii: { ui.tePreview->clear(); auto filter = static_cast(currentFileFilter()); DEBUG("Data Source Type: " << ENUM_TO_STRING(LiveDataSource, SourceType, sourceType)); switch (sourceType) { case LiveDataSource::SourceType::FileOrPipe: { importedStrings = filter->preview(fileName, lines); break; } case LiveDataSource::SourceType::LocalSocket: { QLocalSocket lsocket{this}; DEBUG("Local socket: CONNECT PREVIEW"); lsocket.connectToServer(fileName, QLocalSocket::ReadOnly); if (lsocket.waitForConnected()) { DEBUG("connected to local socket " << fileName.toStdString()); if (lsocket.waitForReadyRead()) importedStrings = filter->preview(lsocket); DEBUG("Local socket: DISCONNECT PREVIEW"); lsocket.disconnectFromServer(); // read-only socket is disconnected immediately (no waitForDisconnected()) } else DEBUG("failed connect to local socket " << fileName.toStdString() << " - " << lsocket.errorString().toStdString()); break; } case LiveDataSource::SourceType::NetworkTcpSocket: { QTcpSocket tcpSocket{this}; tcpSocket.connectToHost(host(), port().toInt(), QTcpSocket::ReadOnly); if (tcpSocket.waitForConnected()) { DEBUG("connected to TCP socket"); if ( tcpSocket.waitForReadyRead() ) importedStrings = filter->preview(tcpSocket); tcpSocket.disconnectFromHost(); } else DEBUG("failed to connect to TCP socket " << " - " << tcpSocket.errorString().toStdString()); break; } case LiveDataSource::SourceType::NetworkUdpSocket: { QUdpSocket udpSocket{this}; DEBUG("UDP Socket: CONNECT PREVIEW, state = " << udpSocket.state()); udpSocket.bind(QHostAddress(host()), port().toInt()); udpSocket.connectToHost(host(), 0, QUdpSocket::ReadOnly); if (udpSocket.waitForConnected()) { DEBUG(" connected to UDP socket " << host().toStdString() << ':' << port().toInt()); if (!udpSocket.waitForReadyRead(2000) ) DEBUG(" ERROR: not ready for read after 2 sec"); if (udpSocket.hasPendingDatagrams()) { DEBUG(" has pending data"); } else { DEBUG(" has no pending data"); } importedStrings = filter->preview(udpSocket); DEBUG("UDP Socket: DISCONNECT PREVIEW, state = " << udpSocket.state()); udpSocket.disconnectFromHost(); } else DEBUG("failed to connect to UDP socket " << " - " << udpSocket.errorString().toStdString()); break; } case LiveDataSource::SourceType::SerialPort: { QSerialPort sPort{this}; DEBUG(" Port: " << serialPort().toStdString() << ", Settings: " << baudRate() << ',' << sPort.dataBits() << ',' << sPort.parity() << ',' << sPort.stopBits()); sPort.setPortName(serialPort()); sPort.setBaudRate(baudRate()); if (sPort.open(QIODevice::ReadOnly)) { if (sPort.waitForReadyRead(2000)) importedStrings = filter->preview(sPort); else DEBUG(" ERROR: not ready for read after 2 sec"); sPort.close(); } else DEBUG(" ERROR: failed to open serial port. error: " << sPort.error()); break; } case LiveDataSource::SourceType::MQTT: { #ifdef HAVE_MQTT //show the preview for the currently selected topic auto* item = m_subscriptionWidget->currentItem(); if (item && item->childCount() == 0) { //only preview if the lowest level (i.e. a topic) is selected const QString& topicName = item->text(0); auto i = m_lastMessage.find(topicName); if (i != m_lastMessage.end()) importedStrings = filter->preview(i.value().payload().data()); else importedStrings << QStringList{i18n("No data arrived yet for the selected topic")}; } #endif break; } } vectorNameList = filter->vectorNames(); columnModes = filter->columnModes(); break; } case AbstractFileFilter::Binary: { ui.tePreview->clear(); auto filter = static_cast(currentFileFilter()); importedStrings = filter->preview(fileName, lines); break; } case AbstractFileFilter::Image: { ui.tePreview->clear(); QImage image(fileName); QTextCursor cursor = ui.tePreview->textCursor(); cursor.insertImage(image); RESET_CURSOR; return; } case AbstractFileFilter::HDF5: { DEBUG("ImportFileWidget::refreshPreview: HDF5"); auto filter = static_cast(currentFileFilter()); lines = m_hdf5OptionsWidget->lines(); importedStrings = filter->readCurrentDataSet(fileName, nullptr, ok, AbstractFileFilter::Replace, lines); tmpTableWidget = m_hdf5OptionsWidget->previewWidget(); break; } case AbstractFileFilter::NETCDF: { auto filter = static_cast(currentFileFilter()); lines = m_netcdfOptionsWidget->lines(); importedStrings = filter->readCurrentVar(fileName, nullptr, AbstractFileFilter::Replace, lines); tmpTableWidget = m_netcdfOptionsWidget->previewWidget(); break; } case AbstractFileFilter::FITS: { auto filter = static_cast(currentFileFilter()); lines = m_fitsOptionsWidget->lines(); QString extensionName = m_fitsOptionsWidget->extensionName(&ok); if (!extensionName.isEmpty()) { DEBUG(" extension name = " << extensionName.toStdString()); fileName = extensionName; } DEBUG(" file name = " << fileName.toStdString()); bool readFitsTableToMatrix; importedStrings = filter->readChdu(fileName, &readFitsTableToMatrix, lines); emit checkedFitsTableToMatrix(readFitsTableToMatrix); tmpTableWidget = m_fitsOptionsWidget->previewWidget(); break; } case AbstractFileFilter::JSON: { ui.tePreview->clear(); auto filter = static_cast(currentFileFilter()); m_jsonOptionsWidget->applyFilterSettings(filter, ui.tvJson->currentIndex()); importedStrings = filter->preview(fileName); vectorNameList = filter->vectorNames(); columnModes = filter->columnModes(); break; } case AbstractFileFilter::ROOT: { auto filter = static_cast(currentFileFilter()); lines = m_rootOptionsWidget->lines(); m_rootOptionsWidget->setNRows(filter->rowsInCurrentObject(fileName)); importedStrings = filter->previewCurrentObject( fileName, m_rootOptionsWidget->startRow(), qMin(m_rootOptionsWidget->startRow() + m_rootOptionsWidget->lines() - 1, m_rootOptionsWidget->endRow()) ); tmpTableWidget = m_rootOptionsWidget->previewWidget(); // the last vector element contains the column names vectorNameList = importedStrings.last(); importedStrings.removeLast(); columnModes = QVector(vectorNameList.size(), AbstractColumn::Numeric); break; } case AbstractFileFilter::NgspiceRawAscii: { ui.tePreview->clear(); auto filter = static_cast(currentFileFilter()); importedStrings = filter->preview(fileName, lines); vectorNameList = filter->vectorNames(); columnModes = filter->columnModes(); break; } case AbstractFileFilter::NgspiceRawBinary: { ui.tePreview->clear(); auto filter = static_cast(currentFileFilter()); importedStrings = filter->preview(fileName, lines); vectorNameList = filter->vectorNames(); columnModes = filter->columnModes(); break; } } // fill the table widget tmpTableWidget->setRowCount(0); tmpTableWidget->setColumnCount(0); if ( !importedStrings.isEmpty() ) { if (!ok) { // show imported strings as error message tmpTableWidget->setRowCount(1); tmpTableWidget->setColumnCount(1); auto* 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) { const int cols = importedStrings[i].size() > maxColumns ? maxColumns : importedStrings[i].size(); if (cols > tmpTableWidget->columnCount()) tmpTableWidget->setColumnCount(cols); for (int j = 0; j < cols; ++j) { auto* 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; emit previewRefreshed(); RESET_CURSOR; } void ImportFileWidget::updateContent(const QString& fileName) { QDEBUG("ImportFileWidget::updateContent(): file name = " << fileName); if (auto filter = currentFileFilter()) { switch (filter->type()) { case AbstractFileFilter::HDF5: m_hdf5OptionsWidget->updateContent(static_cast(filter), fileName); break; case AbstractFileFilter::NETCDF: m_netcdfOptionsWidget->updateContent(static_cast(filter), fileName); break; case AbstractFileFilter::FITS: #ifdef HAVE_FITS m_fitsOptionsWidget->updateContent(static_cast(filter), fileName); #endif break; case AbstractFileFilter::ROOT: m_rootOptionsWidget->updateContent(static_cast(filter), fileName); break; case AbstractFileFilter::JSON: m_jsonOptionsWidget->loadDocument(fileName); ui.tvJson->setExpanded( m_jsonOptionsWidget->model()->index(0, 0), true); //expand the root node break; case AbstractFileFilter::Ascii: case AbstractFileFilter::Binary: case AbstractFileFilter::Image: case AbstractFileFilter::NgspiceRawAscii: case AbstractFileFilter::NgspiceRawBinary: break; } } } void ImportFileWidget::updateTypeChanged(int idx) { const auto UpdateType = static_cast(idx); switch (UpdateType) { case LiveDataSource::UpdateType::TimeInterval: ui.lUpdateInterval->show(); ui.sbUpdateInterval->show(); break; case LiveDataSource::UpdateType::NewData: ui.lUpdateInterval->hide(); ui.sbUpdateInterval->hide(); } } void ImportFileWidget::readingTypeChanged(int idx) { const auto readingType = static_cast(idx); const LiveDataSource::SourceType sourceType = currentSourceType(); if (sourceType == LiveDataSource::SourceType::NetworkTcpSocket || sourceType == LiveDataSource::SourceType::LocalSocket || sourceType == LiveDataSource::SourceType::SerialPort || readingType == LiveDataSource::ReadingType::TillEnd || readingType == LiveDataSource::ReadingType::WholeFile) { ui.lSampleSize->hide(); ui.sbSampleSize->hide(); } else { ui.lSampleSize->show(); ui.sbSampleSize->show(); } if (readingType == LiveDataSource::ReadingType::WholeFile) { ui.lKeepLastValues->hide(); ui.sbKeepNValues->hide(); } else { ui.lKeepLastValues->show(); ui.sbKeepNValues->show(); } } void ImportFileWidget::sourceTypeChanged(int idx) { const auto sourceType = static_cast(idx); // enable/disable "on new data"-option const auto* model = qobject_cast(ui.cbUpdateType->model()); QStandardItem* item = model->item(LiveDataSource::UpdateType::NewData); switch (sourceType) { case LiveDataSource::SourceType::FileOrPipe: ui.lFileName->show(); m_cbFileName->show(); ui.bFileInfo->show(); ui.bOpen->show(); ui.chbLinkFile->show(); + ui.chbRelativePath->setVisible(ui.chbLinkFile->checkState() == Qt::Checked); //option for sample size are available for "continuously fixed" and "from end" reading options if (ui.cbReadingType->currentIndex() < 2) { ui.lSampleSize->show(); ui.sbSampleSize->show(); } else { ui.lSampleSize->hide(); ui.sbSampleSize->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(); item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled); fileNameChanged(fileName()); ui.cbFileType->show(); ui.lFileType->show(); setMQTTVisible(false); break; case LiveDataSource::SourceType::NetworkTcpSocket: case LiveDataSource::SourceType::NetworkUdpSocket: ui.lHost->show(); ui.leHost->show(); ui.lePort->show(); ui.lPort->show(); if (sourceType == LiveDataSource::SourceType::NetworkTcpSocket) { ui.lSampleSize->hide(); ui.sbSampleSize->hide(); } else { ui.lSampleSize->show(); ui.sbSampleSize->show(); } ui.lBaudRate->hide(); ui.cbBaudRate->hide(); ui.lSerialPort->hide(); ui.cbSerialPort->hide(); ui.lFileName->hide(); m_cbFileName->hide(); ui.bFileInfo->hide(); ui.bOpen->hide(); ui.chbLinkFile->hide(); + ui.chbRelativePath->hide(); item->setFlags(item->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); ui.gbOptions->setEnabled(true); ui.bManageFilters->setEnabled(true); ui.cbFilter->setEnabled(true); ui.cbFileType->setEnabled(true); ui.cbFileType->show(); ui.lFileType->show(); setMQTTVisible(false); break; case LiveDataSource::SourceType::LocalSocket: ui.lFileName->show(); m_cbFileName->show(); ui.bOpen->show(); ui.lSampleSize->hide(); ui.sbSampleSize->hide(); 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(); ui.chbLinkFile->hide(); + ui.chbRelativePath->hide(); item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled); ui.gbOptions->setEnabled(true); ui.bManageFilters->setEnabled(true); ui.cbFilter->setEnabled(true); ui.cbFileType->setEnabled(true); ui.cbFileType->show(); ui.lFileType->show(); setMQTTVisible(false); break; case LiveDataSource::SourceType::SerialPort: ui.lBaudRate->show(); ui.cbBaudRate->show(); ui.lSerialPort->show(); ui.cbSerialPort->show(); ui.lSampleSize->show(); ui.sbSampleSize->show(); ui.lHost->hide(); ui.leHost->hide(); ui.lePort->hide(); ui.lPort->hide(); ui.lFileName->hide(); m_cbFileName->hide(); ui.bFileInfo->hide(); ui.bOpen->hide(); ui.chbLinkFile->hide(); + ui.chbRelativePath->hide(); item->setFlags(item->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); ui.cbFileType->setEnabled(true); ui.cbFileType->show(); ui.gbOptions->setEnabled(true); ui.bManageFilters->setEnabled(true); ui.cbFilter->setEnabled(true); ui.lFileType->show(); setMQTTVisible(false); break; case LiveDataSource::SourceType::MQTT: #ifdef HAVE_MQTT item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled); //for MQTT we read ascii data only, hide the file type options for (int i = 0; i < ui.cbFileType->count(); ++i) { if (static_cast(ui.cbFileType->itemData(i).toInt()) == AbstractFileFilter::Ascii) { if (ui.cbFileType->currentIndex() == i) initOptionsWidget(); else ui.cbFileType->setCurrentIndex(i); break; } } ui.cbFileType->hide(); ui.lFileType->hide(); ui.lBaudRate->hide(); ui.cbBaudRate->hide(); ui.lSerialPort->hide(); ui.cbSerialPort->hide(); ui.lHost->hide(); ui.leHost->hide(); ui.lPort->hide(); ui.lePort->hide(); ui.lFileName->hide(); m_cbFileName->hide(); ui.bFileInfo->hide(); ui.bOpen->hide(); ui.chbLinkFile->hide(); + ui.chbRelativePath->hide(); setMQTTVisible(true); ui.cbFileType->setEnabled(true); ui.gbOptions->setEnabled(true); ui.bManageFilters->setEnabled(true); ui.cbFilter->setEnabled(true); //in case there are already connections defined, //show the available topics for the currently selected connection mqttConnectionChanged(); #endif break; } //deactivate/activate options that are specific to file of pipe sources only auto* typeModel = qobject_cast(ui.cbFileType->model()); if (sourceType != LiveDataSource::FileOrPipe) { //deactivate file types other than ascii and binary for (int i = 2; i < ui.cbFileType->count(); ++i) typeModel->item(i)->setFlags(item->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); if (ui.cbFileType->currentIndex() > 1) ui.cbFileType->setCurrentIndex(1); //"whole file" read option is available for file or pipe only, disable it typeModel = qobject_cast(ui.cbReadingType->model()); QStandardItem* item = typeModel->item(LiveDataSource::WholeFile); item->setFlags(item->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEnabled)); if (static_cast(ui.cbReadingType->currentIndex()) == LiveDataSource::WholeFile) ui.cbReadingType->setCurrentIndex(LiveDataSource::TillEnd); //"update options" groupbox can be deactivated for "file and pipe" if the file is invalid. //Activate the groupbox when switching from "file and pipe" to a different source type. ui.gbUpdateOptions->setEnabled(true); } else { for (int i = 2; i < ui.cbFileType->count(); ++i) typeModel->item(i)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled); //enable "whole file" item for file or pipe typeModel = qobject_cast(ui.cbReadingType->model()); QStandardItem* item = typeModel->item(LiveDataSource::ReadingType::WholeFile); item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled); } emit sourceTypeChanged(); refreshPreview(); } #ifdef HAVE_MQTT /*! *\brief called when a different MQTT connection is selected in the connection ComboBox. * connects to the MQTT broker according to the connection settings. */ void ImportFileWidget::mqttConnectionChanged() { if (m_initialisingMQTT || ui.cbConnection->currentIndex() == -1) return; WAIT_CURSOR; //disconnected from the broker that was selected before, if this is the case if (m_client && m_client->state() == QMqttClient::ClientState::Connected) { emit MQTTClearTopics(); disconnect(m_client, &QMqttClient::disconnected, this, &ImportFileWidget::onMqttDisconnect); QDEBUG("Disconnecting from " << m_client->hostname()); m_client->disconnectFromHost(); delete m_client; } //determine the connection settings for the new broker and initialize the mqtt client KConfig config(m_configPath, KConfig::SimpleConfig); KConfigGroup group = config.group(ui.cbConnection->currentText()); m_client = new QMqttClient; connect(m_client, &QMqttClient::connected, this, &ImportFileWidget::onMqttConnect); connect(m_client, &QMqttClient::disconnected, this, &ImportFileWidget::onMqttDisconnect); connect(m_client, &QMqttClient::messageReceived, this, &ImportFileWidget::mqttMessageReceived); connect(m_client, &QMqttClient::errorChanged, this, &ImportFileWidget::mqttErrorChanged); m_client->setHostname(group.readEntry("Host")); m_client->setPort(group.readEntry("Port").toUInt()); const bool useID = group.readEntry("UseID").toUInt(); if (useID) m_client->setClientId(group.readEntry("ClientID")); const bool useAuthentication = group.readEntry("UseAuthentication").toUInt(); if (useAuthentication) { m_client->setUsername(group.readEntry("UserName")); m_client->setPassword(group.readEntry("Password")); } //connect to the selected broker QDEBUG("Connect to " << m_client->hostname() << ":" << m_client->port()); m_connectTimeoutTimer->start(); m_client->connectToHost(); } /*! *\brief called when the client connects to the broker successfully. * subscribes to every topic (# wildcard) in order to later list every available topic */ void ImportFileWidget::onMqttConnect() { if (m_client->error() == QMqttClient::NoError) { m_connectTimeoutTimer->stop(); ui.frameSubscriptions->setVisible(true); m_subscriptionWidget->setVisible(true); m_subscriptionWidget->makeVisible(true); if (!m_client->subscribe(QMqttTopicFilter(QLatin1String("#")), 1)) QMessageBox::critical(this, i18n("Couldn't subscribe"), i18n("Couldn't subscribe to all available topics. Something went wrong")); } emit subscriptionsChanged(); RESET_CURSOR; } /*! *\brief called when the client disconnects from the broker successfully * removes every information about the former connection */ void ImportFileWidget::onMqttDisconnect() { DEBUG("Disconected from " << m_client->hostname().toStdString()); m_connectTimeoutTimer->stop(); ui.lTopics->hide(); ui.frameSubscriptions->hide(); ui.lLWT->hide(); ui.bLWT->hide(); ui.cbConnection->setItemText(ui.cbConnection->currentIndex(), ui.cbConnection->currentText() + " " + i18n("(Disconnected)")); emit subscriptionsChanged(); RESET_CURSOR; QMessageBox::critical(this, i18n("Disconnected"), i18n("Disconnected from the broker '%1' before the connection was successful.", m_client->hostname())); } /*! *\brief called when the subscribe button is pressed * subscribes to the topic represented by the current item of twTopics */ void ImportFileWidget::mqttSubscribe(const QString& name, uint QoS) { const QMqttTopicFilter filter {name}; QMqttSubscription* tempSubscription = m_client->subscribe(filter, static_cast(QoS) ); if (tempSubscription) { m_mqttSubscriptions.push_back(tempSubscription); connect(tempSubscription, &QMqttSubscription::messageReceived, this, &ImportFileWidget::mqttSubscriptionMessageReceived); emit subscriptionsChanged(); } } /*! *\brief called when the client receives a message * if the message arrived from a new topic, the topic is put in twTopics */ void ImportFileWidget::mqttMessageReceived(const QByteArray& message, const QMqttTopicName& topic) { Q_UNUSED(message); // qDebug()<<"received " << topic.name(); if (m_addedTopics.contains(topic.name())) return; m_addedTopics.push_back(topic.name()); m_subscriptionWidget->setTopicTreeText(i18n("Available (%1)", m_addedTopics.size())); QStringList name; QString rootName; const QChar sep = '/'; if (topic.name().contains(sep)) { const QStringList& list = topic.name().split(sep, QString::SkipEmptyParts); if (!list.isEmpty()) { rootName = list.at(0); name.append(list.at(0)); int topItemIdx = -1; //check whether the first level of the topic can be found in twTopics for (int i = 0; i < m_subscriptionWidget->topicCount(); ++i) { if (m_subscriptionWidget->topLevelTopic(i)->text(0) == list.at(0)) { topItemIdx = i; break; } } //if not we simply add every level of the topic to the tree if (topItemIdx < 0) { QTreeWidgetItem* currentItem = new QTreeWidgetItem(name); m_subscriptionWidget->addTopic(currentItem); for (int i = 1; i < list.size(); ++i) { name.clear(); name.append(list.at(i)); currentItem->addChild(new QTreeWidgetItem(name)); currentItem = currentItem->child(0); } } //otherwise we search for the first level that isn't part of the tree, //then add every level of the topic to the tree from that certain level else { QTreeWidgetItem* currentItem = m_subscriptionWidget->topLevelTopic(topItemIdx); int listIdx = 1; for (; listIdx < list.size(); ++listIdx) { QTreeWidgetItem* childItem = nullptr; bool found = false; for (int j = 0; j < currentItem->childCount(); ++j) { childItem = currentItem->child(j); if (childItem->text(0) == list.at(listIdx)) { found = true; currentItem = childItem; break; } } if (!found) { //this is the level that isn't present in the tree break; } } //add every level to the tree starting with the first level that isn't part of the tree for (; listIdx < list.size(); ++listIdx) { name.clear(); name.append(list.at(listIdx)); currentItem->addChild(new QTreeWidgetItem(name)); currentItem = currentItem->child(currentItem->childCount() - 1); } } } } else { rootName = topic.name(); name.append(topic.name()); m_subscriptionWidget->addTopic(new QTreeWidgetItem(name)); } //if a subscribed topic contains the new topic, we have to update twSubscriptions for (int i = 0; i < m_subscriptionWidget->subscriptionCount(); ++i) { const QStringList subscriptionName = m_subscriptionWidget->topLevelSubscription(i)->text(0).split('/', QString::SkipEmptyParts); if (!subscriptionName.isEmpty()) { if (rootName == subscriptionName.first()) { QVector subscriptions; for(int i = 0; i < m_mqttSubscriptions.size(); ++i) subscriptions.push_back(m_mqttSubscriptions[i]->topic().filter()); emit updateSubscriptionTree(subscriptions); break; } } } //signals that a newTopic was added, in order to fill the completer of leTopics emit newTopic(rootName); } /*! *\brief called when the client receives a message from a subscribed topic (that isn't the "#" wildcard) */ void ImportFileWidget::mqttSubscriptionMessageReceived(const QMqttMessage &msg) { QDEBUG("message received from: " << msg.topic().name()); if (!m_subscribedTopicNames.contains(msg.topic().name())) m_subscribedTopicNames.push_back(msg.topic().name()); //update the last message for the topic m_lastMessage[msg.topic()] = msg; } /*! *\brief called when the clientError of the MQTT client changes * * \param clientError the current error of the client */ void ImportFileWidget::mqttErrorChanged(QMqttClient::ClientError clientError) { switch (clientError) { case QMqttClient::BadUsernameOrPassword: QMessageBox::critical(this, i18n("Couldn't connect"), i18n("Wrong username or password")); break; case QMqttClient::IdRejected: QMessageBox::critical(this, i18n("Couldn't connect"), i18n("The client ID wasn't accepted")); break; case QMqttClient::ServerUnavailable: QMessageBox::critical(this, i18n("Server unavailable"), i18n("The broker couldn't be reached.")); break; case QMqttClient::NotAuthorized: QMessageBox::critical(this, i18n("Not authorized"), i18n("The client is not authorized to connect.")); break; case QMqttClient::UnknownError: QMessageBox::critical(this, i18n("Unknown MQTT error"), i18n("An unknown error occurred.")); break; case QMqttClient::NoError: case QMqttClient::InvalidProtocolVersion: case QMqttClient::TransportInvalid: case QMqttClient::ProtocolViolation: case QMqttClient::Mqtt5SpecificError: break; default: break; } } /*! *\brief called when m_connectTimeoutTimer ticks, * meaning that the client couldn't connect to the broker in 5 seconds * disconnects the client, stops the timer, and warns the user */ void ImportFileWidget::mqttConnectTimeout() { m_connectionTimedOut = true; m_client->disconnectFromHost(); m_connectTimeoutTimer->stop(); RESET_CURSOR; QMessageBox::warning(this, i18n("Warning"), i18n("Connecting to the given broker timed out! Try changing the settings")); } /*! Shows the MQTT connection manager where the connections are created and edited. The selected connection is selected in the connection combo box in this widget. */ void ImportFileWidget::showMQTTConnectionManager() { bool previousConnectionChanged = false; MQTTConnectionManagerDialog* dlg = new MQTTConnectionManagerDialog(this, ui.cbConnection->currentText(), previousConnectionChanged); if (dlg->exec() == QDialog::Accepted) { //re-read the available connections to be in sync with the changes in MQTTConnectionManager m_initialisingMQTT = true; const QString& prevConn = ui.cbConnection->currentText(); ui.cbConnection->clear(); readMQTTConnections(); m_initialisingMQTT = false; //select the connection the user has selected in MQTTConnectionManager const QString& conn = dlg->connection(); int index = ui.cbConnection->findText(conn); if (conn != prevConn) {//Current connection isn't the previous one if (ui.cbConnection->currentIndex() != index) ui.cbConnection->setCurrentIndex(index); else mqttConnectionChanged(); } else if (dlg->initialConnectionChanged()) {//Current connection is the same with previous one but it changed if (ui.cbConnection->currentIndex() == index) mqttConnectionChanged(); else ui.cbConnection->setCurrentIndex(index); } else { //Previous connection wasn't changed m_initialisingMQTT = true; ui.cbConnection->setCurrentIndex(index); m_initialisingMQTT = false; } } delete dlg; } /*! loads all available saved MQTT nconnections */ void ImportFileWidget::readMQTTConnections() { DEBUG("ImportFileWidget: reading available MQTT connections"); KConfig config(m_configPath, KConfig::SimpleConfig); for (const auto& name : config.groupList()) ui.cbConnection->addItem(name); } /*! * \brief Shows the mqtt will settings widget, which allows the user to modify the will settings */ void ImportFileWidget::showWillSettings() { QMenu menu; QVector children; for (int i = 0; i < m_subscriptionWidget->subscriptionCount(); ++i) MQTTSubscriptionWidget::findSubscriptionLeafChildren(children, m_subscriptionWidget->topLevelSubscription(i)); QVector topics; for (int i = 0; i < children.size(); ++i) topics.append(children[i]->text(0)); MQTTWillSettingsWidget willSettingsWidget(&menu, m_willSettings, topics); connect(&willSettingsWidget, &MQTTWillSettingsWidget::applyClicked, [this, &menu, &willSettingsWidget]() { m_willSettings = willSettingsWidget.will(); menu.close(); }); QWidgetAction* widgetAction = new QWidgetAction(this); widgetAction->setDefaultWidget(&willSettingsWidget); menu.addAction(widgetAction); const QPoint pos(ui.bLWT->sizeHint().width(),ui.bLWT->sizeHint().height()); menu.exec(ui.bLWT->mapToGlobal(pos)); } void ImportFileWidget::enableWill(bool enable) { if(enable) { if(!ui.bLWT->isEnabled()) ui.bLWT->setEnabled(enable); } else ui.bLWT->setEnabled(enable); } #endif diff --git a/src/kdefrontend/ui/datasources/importfilewidget.ui b/src/kdefrontend/ui/datasources/importfilewidget.ui index 8a4c841c0..b0ad482e6 100644 --- a/src/kdefrontend/ui/datasources/importfilewidget.ui +++ b/src/kdefrontend/ui/datasources/importfilewidget.ui @@ -1,834 +1,841 @@ ImportFileWidget 0 0 706 1377 0 0 6 0 0 0 0 0 0 Data Source Connection: Field: Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop Port: QAbstractItemView::NoEditTriggers false 16 16 LWT: 0 0 false false 0 0 false 0 0 Show file info false 0 0 Manage filters Source: Port: File or Named Pipe Network TCP Socket Network UDP Socket Local Socket Serial Port Host: 0 0 Select the file to import Baud rate: Type: Name: false Save the current filter settings Filter: Qt::Horizontal 40 0 Topics: Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop QFrame::NoFrame QFrame::Plain Qt::Horizontal QSizePolicy::Fixed 10 23 false 0 0 true 0 0 0 0 0 0 0 Data format 0 0 0 0 0 0 0 0 0 0 0 0 0 Preview 0 0 Number of rows to preview: 1 10000 100 Qt::Horizontal 23 20 Refresh true QTextEdit::NoWrap true 0 0 Data portion to read Start row: Specify the end row to import; -1 stands for the last row -1 2147483647 -1 Start column: Specify the start column for import 1 2147483647 Qt::Horizontal QSizePolicy::Fixed 40 20 Specify the start row for import 1 2147483647 1 Qt::Horizontal 108 20 Qt::Horizontal QSizePolicy::Fixed 40 20 End column: Specify the end column to import; -1 stands for the last column -1 2147483647 -1 Qt::Horizontal 108 20 End row: Qt::Vertical 20 10 Update Options - - - - Keep last values: - - - - - - - Read: - - - - - - - - 0 - 0 - - + + - Periodically + Continuously Fixed - On New Data + From End + + + + + Till the End - - - - If this option is checked, only the link to the file is stored in the project file but not its content. - + + - Link the file - - - true + Update: - - + + - Update: + Read: Update interval: All 999999 - - - - - 0 - 0 - + + + + Keep last values: - - ms + + + + + + Sample size: + + + + - 5 + 1 - 60000 + 10000 - 1000 + 1 - - - - - Continuously Fixed - - + + + + + 0 + 0 + + - From End + Periodically - Till the End + On New Data - - - - Sample size: + + + + + 0 + 0 + + + + ms - - - - - 1 + 5 - 10000 + 60000 - 1 + 1000 + + + + + + + + + + Link the file + + + true + + + + + + + Relative path KComboBox QComboBox
kcombobox.h