Exemple #1
0
    def __init__(self, parent=None):
        super().__init__(parent)
        self.recording_enabled = False
        self.serial = serial.Serial()
        self.rootnode = JsonNode('')
        self._connected = False
        self._dirty = False
        self._filename = None

        # settings
        self.settings = QSettingsManager()
        set_default_settings(self.settings)

        # Controller Settings
        self.settingsDialog = None

        # object explorer
        self.objectexplorer = ObjectExplorer(self.rootnode, self)
        self.objectexplorer.nodevalue_changed.connect(self.send_serialdata)
        self.objectexplorer.nodeproperty_changed.connect(self.set_dirty)
        self.objectexplorerDockWidget = QDockWidget(self.tr("object explorer"),
                                                    self)
        self.objectexplorerDockWidget.setObjectName(
            "objectexplorer_dockwidget")
        self.objectexplorerDockWidget.setWidget(self.objectexplorer)

        # plot widget
        self.plot = PlotWidget(self.rootnode, self.settings, self)

        # plot settings
        self.plotsettings = PlotSettingsWidget(self.settings, self.plot, self)
        self.plotsettingsDockWidget = QDockWidget(self.tr("plot settings"),
                                                  self)
        self.plotsettingsDockWidget.setObjectName("plotsettings_dockwidget")
        self.plotsettingsDockWidget.setWidget(self.plotsettings)

        # log widget
        self.loggingWidget = LoggingWidget(self)
        self.loggingDockWidget = QDockWidget(self.tr("logger"), self)
        self.loggingDockWidget.setObjectName("logging_dockwidget")
        self.loggingDockWidget.setWidget(self.loggingWidget)

        # record widget
        self.recordWidget = RecordWidget(self.rootnode, self)
        self.recordDockWidget = QDockWidget(self.tr("data recording"), self)
        self.recordDockWidget.setObjectName("record_dockwidget")
        self.recordDockWidget.setWidget(self.recordWidget)

        # actions and menus
        self._init_actions()
        self._init_menus()

        # statusbar
        statusbar = self.statusBar()
        statusbar.setVisible(True)
        self.connectionstateLabel = QLabel(self.tr("Not connected"))
        statusbar.addPermanentWidget(self.connectionstateLabel)
        statusbar.showMessage(self.tr("Ready"))

        # layout
        self.setCentralWidget(self.plot)
        self.addDockWidget(Qt.LeftDockWidgetArea,
                           self.objectexplorerDockWidget)
        self.addDockWidget(Qt.LeftDockWidgetArea, self.plotsettingsDockWidget)
        self.addDockWidget(Qt.BottomDockWidgetArea, self.loggingDockWidget)
        self.addDockWidget(Qt.BottomDockWidgetArea, self.recordDockWidget)

        self.load_settings()
Exemple #2
0
class MainWindow(QMainWindow):

    def __init__(self, parent=None):
        super().__init__(parent)
        self.recording_enabled = False
        self.serial = serial.Serial()
        self.rootnode = JsonNode('')
        self._connected = False
        self._dirty = False
        self._filename = None

        # settings
        self.settings = QSettingsManager()
        set_default_settings(self.settings)

        # Controller Settings
        self.settingsDialog = None

        # object explorer
        self.objectexplorer = ObjectExplorer(self.rootnode, self)
        self.objectexplorer.nodevalue_changed.connect(self.send_serialdata)
        self.objectexplorer.nodeproperty_changed.connect(self.set_dirty)
        self.objectexplorerDockWidget = QDockWidget(self.tr("object explorer"),
                                                    self)
        self.objectexplorerDockWidget.setObjectName(
            "objectexplorer_dockwidget")
        self.objectexplorerDockWidget.setWidget(self.objectexplorer)

        # plot widget
        self.plot = PlotWidget(self.rootnode, self.settings, self)

        # plot settings
        self.plotsettings = PlotSettingsWidget(self.settings, self.plot, self)
        self.plotsettingsDockWidget = QDockWidget(self.tr("plot settings"),
                                                  self)
        self.plotsettingsDockWidget.setObjectName("plotsettings_dockwidget")
        self.plotsettingsDockWidget.setWidget(self.plotsettings)

        # log widget
        self.loggingWidget = LoggingWidget(self)
        self.loggingDockWidget = QDockWidget(self.tr("logger"), self)
        self.loggingDockWidget.setObjectName("logging_dockwidget")
        self.loggingDockWidget.setWidget(self.loggingWidget)

        # record widget
        self.recordWidget = RecordWidget(self.rootnode, self)
        self.recordDockWidget = QDockWidget(self.tr("data recording"), self)
        self.recordDockWidget.setObjectName("record_dockwidget")
        self.recordDockWidget.setWidget(self.recordWidget)

        # actions and menus
        self._init_actions()
        self._init_menus()

        # statusbar
        statusbar = self.statusBar()
        statusbar.setVisible(True)
        self.connectionstateLabel = QLabel(self.tr("Not connected"))
        statusbar.addPermanentWidget(self.connectionstateLabel)
        statusbar.showMessage(self.tr("Ready"))

        # layout
        self.setCentralWidget(self.plot)
        self.addDockWidget(Qt.LeftDockWidgetArea,
                           self.objectexplorerDockWidget)
        self.addDockWidget(Qt.LeftDockWidgetArea, self.plotsettingsDockWidget)
        self.addDockWidget(Qt.BottomDockWidgetArea, self.loggingDockWidget)
        self.addDockWidget(Qt.BottomDockWidgetArea, self.recordDockWidget)

        self.load_settings()

    def _init_actions(self):
        # Serial Dialog
        self.serialdlgAction = QAction(self.tr("Serial Settings..."), self)
        self.serialdlgAction.setShortcut("F6")
        self.serialdlgAction.setIcon(QIcon(pixmap("configure.png")))
        self.serialdlgAction.triggered.connect(self.show_serialdlg)

        # Connect
        self.connectAction = QAction(self.tr("Connect"), self)
        self.connectAction.setShortcut("F5")
        self.connectAction.setIcon(QIcon(pixmap("network-connect-3.png")))
        self.connectAction.triggered.connect(self.toggle_connect)

        # Quit
        self.quitAction = QAction(self.tr("Quit"), self)
        self.quitAction.setShortcut("Alt+F4")
        self.quitAction.setIcon(QIcon(pixmap("window-close-3.png")))
        self.quitAction.triggered.connect(self.close)

        # Save Config as
        self.saveasAction = QAction(self.tr("Save as..."), self)
        self.saveasAction.setShortcut("Ctrl+Shift+S")
        self.saveasAction.setIcon(QIcon(pixmap("document-save-as-5.png")))
        self.saveasAction.triggered.connect(self.show_savecfg_dlg)

        # Save file
        self.saveAction = QAction(self.tr("Save"), self)
        self.saveAction.setShortcut("Ctrl+S")
        self.saveAction.setIcon(QIcon(pixmap("document-save-5.png")))
        self.saveAction.triggered.connect(self.save_file)

        # Load file
        self.loadAction = QAction(self.tr("Open..."), self)
        self.loadAction.setShortcut("Ctrl+O")
        self.loadAction.setIcon(QIcon(pixmap("document-open-7.png")))
        self.loadAction.triggered.connect(self.show_opencfg_dlg)

        # New
        self.newAction = QAction(self.tr("New"), self)
        self.newAction.setShortcut("Ctrl+N")
        self.newAction.setIcon(QIcon(pixmap("document-new-6.png")))
        self.newAction.triggered.connect(self.new)

        # start recording
        self.startrecordingAction = QAction(self.tr("Start recording"), self)
        self.startrecordingAction.setShortcut("F9")
        self.startrecordingAction.setIcon(QIcon(pixmap("media-record-6.png")))
        self.startrecordingAction.triggered.connect(self.start_recording)

        # stop recording
        self.stoprecordingAction = QAction(self.tr("Stop recording"), self)
        self.stoprecordingAction.setShortcut("F10")
        self.stoprecordingAction.setIcon(QIcon(pixmap("media-playback-stop-8.png")))
        self.stoprecordingAction.setEnabled(False)
        self.stoprecordingAction.triggered.connect(self.stop_recording)

        # clear record
        self.clearrecordAction = QAction(self.tr("Clear"), self)
        self.clearrecordAction.setIcon(QIcon(pixmap("editclear.png")))
        self.clearrecordAction.triggered.connect(self.clear_record)

        # export record
        self.exportcsvAction = QAction(self.tr("Export to csv..."), self)
        self.exportcsvAction.setIcon(QIcon(pixmap("text_csv.png")))
        self.exportcsvAction.triggered.connect(self.export_csv)

        # show record settings
        self.recordsettingsAction = QAction(self.tr("Settings..."), self)
        self.recordsettingsAction.setIcon(QIcon(pixmap("configure.png")))
        self.recordsettingsAction.triggered.connect(self.show_recordsettings)

        # Info
        self.infoAction = QAction(self.tr("Info"), self)
        self.infoAction.setShortcut("F1")
        self.infoAction.triggered.connect(self.show_info)

    def _init_menus(self):
        # file menu
        self.fileMenu = self.menuBar().addMenu(self.tr("File"))
        self.fileMenu.addAction(self.newAction)
        self.fileMenu.addAction(self.loadAction)
        self.fileMenu.addAction(self.saveAction)
        self.fileMenu.addAction(self.saveasAction)
        self.fileMenu.addSeparator()
        self.fileMenu.addAction(self.connectAction)
        self.fileMenu.addAction(self.serialdlgAction)
        self.fileMenu.addSeparator()
        self.fileMenu.addAction(self.quitAction)

        # view menu
        self.viewMenu = self.menuBar().addMenu(self.tr("View"))
        self.viewMenu.addAction(
            self.objectexplorerDockWidget.toggleViewAction())
        self.viewMenu.addAction(self.plotsettingsDockWidget.toggleViewAction())
        self.viewMenu.addAction(self.loggingDockWidget.toggleViewAction())
        self.viewMenu.addAction(self.recordDockWidget.toggleViewAction())

        # record menu
        self.recordMenu = self.menuBar().addMenu(self.tr("Record"))
        self.recordMenu.addAction(self.startrecordingAction)
        self.recordMenu.addAction(self.stoprecordingAction)
        self.recordMenu.addAction(self.exportcsvAction)
        self.recordMenu.addSeparator()
        self.recordMenu.addAction(self.clearrecordAction)
        self.recordMenu.addSeparator()
        self.recordMenu.addAction(self.recordsettingsAction)

        # info menu
        self.menuBar().addAction(self.infoAction)

    def show_info(self):
        QMessageBox.about(
            self, QApplication.applicationName(),
            "%s %s\n"
            "Copyright (c) by %s" %
            (
                QCoreApplication.applicationName(),
                QCoreApplication.applicationVersion(),
                QCoreApplication.organizationName(),
            )
        )

    def load_file(self, filename):
        old_filename = self.filename if self.filename != filename else None
        self.filename = filename

        try:
            with open(filename, 'rb') as f:
                try:
                    self.objectexplorer.model().beginResetModel()
                    self.rootnode.load(bytearray_to_utf8(f.read()))
                    self.objectexplorer.model().endResetModel()
                except ValueError as e:
                    critical(self, "File '%s' is not a valid config file."
                             % filename)
                    logger.error(str(e))
                    if old_filename is not None:
                        self.load_file(old_filename)
                    else:
                        self.filename = None

        except FileNotFoundError as e:
            logger.error(str(e))
            self.filename = None

        self.objectexplorer.refresh()

    def load_settings(self):
        settings = QSettings()

        # window geometry
        try:
            self.restoreGeometry(settings.value(GEOMETRY_SETTING))
        except:
            logger.debug("error restoring window geometry")

        # window state
        try:
            self.restoreState(settings.value(WINDOWSTATE_SETTING))
        except:
            logger.debug("error restoring window state")

        # filename
        self.filename = settings.value(FILENAME_SETTING)
        if self.filename is not None:
            self.load_file(self.filename)

    def save_settings(self):
        settings = QSettings()
        settings.setValue(WINDOWSTATE_SETTING, self.saveState())
        settings.setValue(GEOMETRY_SETTING, self.saveGeometry())
        settings.setValue(FILENAME_SETTING, self.filename)

    def closeEvent(self, event):
        if self.dirty:
            res = QMessageBox.question(
                self,
                QCoreApplication.applicationName(),
                self.tr("Save changes to file '%s'?" %
                        self.filename
                        if self.filename is not None else "unknown"),
                QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel
            )
            if res == QMessageBox.Cancel:
                event.ignore()
                return
            elif res == QMessageBox.Yes:
                self.save_file()

        self.save_settings()

        try:
            self.worker.quit()
        except AttributeError:
            pass

        try:
            self.serial.close()
        except (SerialException, AttributeError):
            pass

    def new(self):
        self.objectexplorer.model().beginResetModel()
        self.rootnode.clear()
        self.objectexplorer.model().endResetModel()

    def send_reset(self):
        jsonstring = json.dumps({"resetpid": 1})
        self.serial.write(bytearray(jsonstring, 'utf-8'))

    def receive_serialdata(self, time, data):
        self.loggingWidget.log_input(data)

        try:
            self.rootnode.from_json(data)
        except ValueError as e:
            logger.error(str(e))

        # refresh widgets
        self.objectexplorer.refresh()
        self.plot.refresh(time)
        if self.recording_enabled:
            self.recordWidget.add_data(time, self.rootnode)

    def send_serialdata(self, node):
        if isinstance(node, JsonItem):
            if self.serial.isOpen():
                s = node.to_json()
                self.serial.write(utf8_to_bytearray(s + '\n'))
                self.loggingWidget.log_output(s.strip())

    def show_serialdlg(self):
        dlg = SerialDialog(self.settings, self)
        dlg.exec_()

    def toggle_connect(self):
        if self.serial.isOpen():
            self.disconnect()
        else:
            self.connect()

    def connect(self):
        # Load port setting
        port = self.settings.get(PORT_SETTING)
        baudrate = self.settings.get(BAUDRATE_SETTING)

        # If no port has been selected before show serial settings dialog
        if port is None:
            if self.show_serialdlg() == QDialog.Rejected:
                return
            port = self.settings.get(PORT_SETTING)
            baudrate = self.settings.get(BAUDRATE_SETTING)

        # Serial connection
        try:
            self.serial.port = port
            self.serial.baudrate = baudrate
            self.serial.open()
        except ValueError:
            QMessageBox.critical(
                self, QCoreApplication.applicationName(),
                self.tr("Serial parameters e.g. baudrate, databits are out "
                        "of range.")
            )
        except SerialException:
            QMessageBox.critical(
                self, QCoreApplication.applicationName(),
                self.tr("The device '%s' can not be found or can not be "
                        "configured." % port)
            )
        else:
            self.worker = SerialWorker(self.serial, self)
            self.worker.data_received.connect(self.receive_serialdata)
            self.worker.start()

            self.connectAction.setText(self.tr("Disconnect"))
            self.connectAction.setIcon(QIcon(pixmap("network-disconnect-3.png")))
            self.serialdlgAction.setEnabled(False)
            self.connectionstateLabel.setText(
                self.tr("Connected to %s") % port)
            self._connected = True
            self.objectexplorer.refresh()

    def disconnect(self):
        self.worker.quit()
        self.serial.close()
        self.connectAction.setText(self.tr("Connect"))
        self.connectAction.setIcon(QIcon(pixmap("network-connect-3.png")))
        self.serialdlgAction.setEnabled(True)
        self.connectionstateLabel.setText(self.tr("Not connected"))
        self._connected = False
        self.objectexplorer.refresh()

    def show_savecfg_dlg(self):
        filename, _ = QFileDialog.getSaveFileName(
            self, self.tr("Save configuration file..."),
            directory=os.path.expanduser("~"),
            filter="Json file (*.json)"
        )

        if filename:
            self.filename = filename
            self.save_file()

    def save_file(self):
        if self.filename is not None:
            config_string = self.rootnode.dump()
            with open(self.filename, 'w') as f:
                f.write(config_string)
            self.dirty = False
        else:
            self.show_savecfg_dlg()

    def show_opencfg_dlg(self):
        # show file dialog
        filename, _ = QFileDialog.getOpenFileName(
            self, self.tr("Open configuration file..."),
            directory=os.path.expanduser("~"),
            filter=self.tr("Json file (*.json);;All files (*.*)")
        )

        # load config file
        if filename:
            self.load_file(filename)

    def refresh_window_title(self):
        s = "%s %s" % (QCoreApplication.applicationName(),
                       QCoreApplication.applicationVersion())
        if self.filename is not None:
            s += " - " + self.filename
        if self.dirty:
            s += "*"
        self.setWindowTitle(s)

    def start_recording(self):
        self.recording_enabled = True
        self.startrecordingAction.setEnabled(False)
        self.stoprecordingAction.setEnabled(True)

    def stop_recording(self):
        self.recording_enabled = False
        self.startrecordingAction.setEnabled(True)
        self.stoprecordingAction.setEnabled(False)

    def export_csv(self):
        filename, _ = QFileDialog.getSaveFileName(
            self, QCoreApplication.applicationName(),
            filter="CSV files(*.csv);;All files (*.*)"
        )

        if filename == "":
            return

        # get current dataframe and export to csv
        df = self.recordWidget.dataframe
        decimal = self.settings.get(DECIMAL_SETTING)
        df = df.applymap(lambda x: str(x).replace(".", decimal))
        df.to_csv(
            filename, index_label="time",
            sep=self.settings.get(SEPARATOR_SETTING)
        )

    def clear_record(self):
        self.recordWidget.clear()

    def show_recordsettings(self):
        dlg = CSVSettingsDialog(self)
        dlg.exec_()

    # filename property
    @property
    def filename(self):
        return self._filename

    @filename.setter
    def filename(self, value=""):
        self._filename = value
        self.refresh_window_title()

    # dirty property
    @property
    def dirty(self):
        return self._dirty

    @dirty.setter
    def dirty(self, value):
        self._dirty = value
        self.refresh_window_title()

    def set_dirty(self):
        self.dirty = True

    # connected property
    @property
    def connected(self):
        return self._connected