Exemple #1
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 def __init__(self):
     icon = IconFont().icon('paw')
     name = 'Beaglebone Daemon'
     group = 'CON'
     use_with_widgets = False
     ExternalTool.__init__(self, icon=icon, name=name, group=group,
                           use_with_widgets=use_with_widgets)
Exemple #2
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 def __init__(self):
     icon = IconFont().icon("archive")
     name = 'Archiver Appliance'
     group = 'CON'
     use_with_widgets = False
     ExternalTool.__init__(self, icon=icon, name=name, group=group,
                           use_with_widgets=use_with_widgets)
Exemple #3
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 def __init__(self):
     icon = IconFont().icon('desktop')
     name = 'Archiver Viwer'
     group = 'CON'
     use_with_widgets = False
     ExternalTool.__init__(self, icon=icon, name=name, group=group,
                           use_with_widgets=use_with_widgets)
Exemple #4
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 def __init__(self):
     icon = IconFont().icon("cogs")
     name = "Write Node"
     group = "Rogue"
     use_with_widgets = True
     ExternalTool.__init__(self,
                           icon=icon,
                           name=name,
                           group=group,
                           use_with_widgets=use_with_widgets)
Exemple #5
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 def __init__(self):
     icon = IconFont().icon("code")
     name = "Root Tool"
     group = ""
     use_with_widgets = True
     ExternalTool.__init__(self,
                           icon=icon,
                           name=name,
                           group=group,
                           use_with_widgets=use_with_widgets)
Exemple #6
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 def __init__(self):
     icon = IconFont().icon("paw")
     name = "Beaglebone Daemon"
     group = "CON"
     use_with_widgets = False
     ExternalTool.__init__(self,
                           icon=icon,
                           name=name,
                           group=group,
                           use_with_widgets=use_with_widgets)
Exemple #7
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 def __init__(self):
     icon = IconFont().icon("desktop")
     name = "Archiver Viwer"
     group = "CON"
     use_with_widgets = False
     ExternalTool.__init__(self,
                           icon=icon,
                           name=name,
                           group=group,
                           use_with_widgets=use_with_widgets)
Exemple #8
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 def __init__(self):
     icon = IconFont().icon("code")
     name = "Dummy Tool 2"
     group = "Example"
     use_with_widgets = True
     use_without_widget = False
     ExternalTool.__init__(self,
                           icon=icon,
                           name=name,
                           group=group,
                           use_with_widgets=use_with_widgets,
                           use_without_widget=use_without_widget)
Exemple #9
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    def __init__(self,save=False):
        icon = IconFont().icon("cogs")
        self.save = save

        if self.save:
            name = "File Save Browser"
        else:
            name = "File Open Browser"

        group = "Rogue"
        use_with_widgets = True
        ExternalTool.__init__(self, icon=icon, name=name, group=group, use_with_widgets=use_with_widgets)
    def handle_right_y_axis_checkbox_changed(self, is_checked):
        self.chart.setShowRightAxis(is_checked)

        if is_checked:
            right_label = self.chart.labels["right"]
            if not right_label:
                right_label = self.y_axis_label_line_edt.text()
            right_unit = self.chart.units["right"]
            if not right_unit:
                right_unit = self.y_axis_unit_edt.text()

            self.right_y_axis_font_btn = QPushButton()
            self.right_y_axis_font_btn.setMaximumHeight(32)
            self.right_y_axis_font_btn.setMaximumWidth(32)
            self.right_y_axis_font_btn.setIcon(IconFont().icon("font"))
            self.right_y_axis_font_btn.clicked.connect(
                partial(self.handle_font_change, "right"))

            self.right_y_axis_lbl = QLabel("Right y-axis Label")
            self.right_y_axis_label_line_edt = QLineEdit()
            self.right_y_axis_label_line_edt.textChanged.connect(
                partial(self.handle_axis_label_change, "right"))

            self.right_y_axis_unit_lbl = QLabel("Right y-axis Unit")
            self.right_y_axis_unit_edt = QLineEdit()
            self.right_y_axis_unit_edt.setMaximumWidth(150)
            self.right_y_axis_unit_edt.textChanged.connect(
                partial(self.handle_axis_label_change, "right", is_unit=True))

            self.right_y_axis_label_line_edt.setText(right_label)
            self.right_y_axis_unit_edt.setText(right_unit)

            right_y_axis_layout = QHBoxLayout()
            right_y_axis_layout.addWidget(self.right_y_axis_label_line_edt)
            right_y_axis_layout.addWidget(self.right_y_axis_font_btn)

            self.main_layout.insertRow(self.main_layout.rowCount() - 1,
                                       self.right_y_axis_lbl,
                                       right_y_axis_layout)
            self.main_layout.insertRow(self.main_layout.rowCount() - 1,
                                       self.right_y_axis_unit_lbl,
                                       self.right_y_axis_unit_edt)
        else:
            self.chart.showAxis("right", show=False)
            self.right_y_axis_lbl.deleteLater()
            self.right_y_axis_label_line_edt.deleteLater()
            self.right_y_axis_unit_lbl.deleteLater()
            self.right_y_axis_unit_edt.deleteLater()
            self.right_y_axis_font_btn.deleteLater()
    def __init__(self, main_display, parent=None):
        super(AxisSettingsDisplay, self).__init__(parent=parent)
        self.main_layout = QFormLayout()
        self.main_display = main_display

        self.chart = self.main_display.chart

        self.x_axis_lbl = QLabel("x-axis Label")
        self.x_axis_label_line_edt = QLineEdit()
        current_x_label = self.chart.labels["bottom"]
        if current_x_label:
            current_x_label = current_x_label[current_x_label.
                                              find(X_AXIS_LABEL_SEPARATOR) +
                                              len(X_AXIS_LABEL_SEPARATOR):]
            self.x_axis_label_line_edt.setText(current_x_label)
        self.x_axis_label_line_edt.textChanged.connect(
            partial(self.handle_axis_label_change, "bottom"))

        self.x_axis_font_btn = QPushButton()
        self.x_axis_font_btn.setMaximumHeight(32)
        self.x_axis_font_btn.setMaximumWidth(32)
        self.x_axis_font_btn.setIcon(IconFont().icon("font"))
        self.x_axis_font_btn.clicked.connect(
            partial(self.handle_font_change, "bottom"))

        self.x_axis_unit_lbl = QLabel("x-axis Unit")
        self.x_axis_unit_edt = QLineEdit()
        self.x_axis_unit_edt.setMaximumWidth(150)
        self.x_axis_unit_edt.setText(self.chart.units["bottom"])
        self.x_axis_unit_edt.textChanged.connect(
            partial(self.handle_axis_label_change, "bottom", is_unit=True))

        self.y_axis_lbl = QLabel("y-axis Label")
        self.y_axis_label_line_edt = QLineEdit()
        self.y_axis_label_line_edt.setText(self.chart.labels["left"])
        self.y_axis_label_line_edt.textChanged.connect(
            partial(self.handle_axis_label_change, "left"))

        self.y_axis_font_btn = QPushButton()
        self.y_axis_font_btn.setMaximumHeight(32)
        self.y_axis_font_btn.setMaximumWidth(32)
        self.y_axis_font_btn.setIcon(IconFont().icon("font"))
        self.y_axis_font_btn.clicked.connect(
            partial(self.handle_font_change, "left"))

        self.y_axis_unit_lbl = QLabel("y-axis Unit")
        self.y_axis_unit_edt = QLineEdit()
        self.y_axis_unit_edt.setMaximumWidth(150)
        self.y_axis_unit_edt.setText(self.chart.units["left"])
        self.y_axis_unit_edt.textChanged.connect(
            partial(self.handle_axis_label_change, "left", is_unit=True))

        self.right_y_axis_label_line_edt = QLineEdit()

        self.display_right_y_axis_chk = QCheckBox("Display the right y-axis")
        self.display_right_y_axis_chk.setChecked(self.chart.getShowRightAxis())
        self.display_right_y_axis_chk.clicked.connect(
            self.handle_right_y_axis_checkbox_changed)
        self.display_right_y_axis_chk.setChecked(self.chart.getShowRightAxis())

        self.right_y_axis_lbl = None
        self.right_y_axis_unit_edt = None
        self.right_y_axis_unit_lbl = None
        self.right_y_axis_unit_edt = None

        self.close_dialog_btn = QPushButton("Close")
        self.close_dialog_btn.clicked.connect(self.handle_close_button_clicked)

        self.setWindowTitle("Axis Settings")
        self.setMinimumSize(500, 300)
        self.setWindowModality(Qt.ApplicationModal)

        self.setup_ui()
Exemple #12
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 def __init__(self):
     icon = IconFont().icon("cogs")
     name = "Dummy Tool"
     group = "Example"
     use_with_widgets = False
     ExternalTool.__init__(self, icon=icon, name=name, group=group, use_with_widgets=use_with_widgets)
Exemple #13
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    def __init__(self,
                 parent=None,
                 args=[],
                 macros=None,
                 show_pv_add_panel=True,
                 config_file=None):
        """
        Create all the widgets, including any child dialogs.

        Parameters
        ----------
        parent : QWidget
            The parent widget of the charting display
        args : list
            The command parameters
        macros : str
            Macros to modify the UI parameters at runtime
        show_pv_add_panel : bool
            Whether or not to show the PV add panel on top of the graph
        """
        super(TimeChartDisplay, self).__init__(parent=parent,
                                               args=args,
                                               macros=macros)
        self.legend_font = None
        self.channel_map = dict()
        self.setWindowTitle("TimeChart Tool")

        self.main_layout = QVBoxLayout()
        self.body_layout = QVBoxLayout()

        self.pv_add_panel = QFrame()
        self.pv_add_panel.setVisible(show_pv_add_panel)
        self.pv_add_panel.setMaximumHeight(50)
        self.pv_layout = QHBoxLayout()
        self.pv_name_line_edt = QLineEdit()
        self.pv_name_line_edt.setAcceptDrops(True)
        self.pv_name_line_edt.returnPressed.connect(self.add_curve)

        self.pv_protocol_cmb = QComboBox()
        self.pv_protocol_cmb.addItems(["ca://", "archive://"])
        self.pv_protocol_cmb.setEnabled(False)

        self.pv_connect_push_btn = QPushButton("Connect")
        self.pv_connect_push_btn.clicked.connect(self.add_curve)

        self.tab_panel = QTabWidget()
        self.tab_panel.setMinimumWidth(350)
        self.tab_panel.setMaximumWidth(350)

        self.curve_settings_tab = QWidget()
        self.data_settings_tab = QWidget()
        self.chart_settings_tab = QWidget()

        self.charting_layout = QHBoxLayout()
        self.chart = PyDMTimePlot(plot_by_timestamps=False)
        self.chart.setDownsampling(ds=False, auto=False, mode=None)
        self.chart.plot_redrawn_signal.connect(self.update_curve_data)
        self.chart.setBufferSize(DEFAULT_BUFFER_SIZE)
        self.chart.setPlotTitle(DEFAULT_CHART_TITLE)

        self.splitter = QSplitter()

        self.curve_settings_layout = QVBoxLayout()
        self.curve_settings_layout.setAlignment(Qt.AlignTop)
        self.curve_settings_layout.setSizeConstraint(QLayout.SetMinAndMaxSize)
        self.curve_settings_layout.setSpacing(5)

        self.crosshair_settings_layout = QVBoxLayout()
        self.crosshair_settings_layout.setAlignment(Qt.AlignTop)
        self.crosshair_settings_layout.setSpacing(5)

        self.enable_crosshair_chk = QCheckBox("Crosshair")
        self.crosshair_coord_lbl = QLabel()
        self.crosshair_coord_lbl.setWordWrap(True)

        self.curve_settings_inner_frame = QFrame()
        self.curve_settings_inner_frame.setLayout(self.curve_settings_layout)

        self.curve_settings_scroll = QScrollArea()
        self.curve_settings_scroll.setVerticalScrollBarPolicy(
            Qt.ScrollBarAsNeeded)
        self.curve_settings_scroll.setHorizontalScrollBarPolicy(
            Qt.ScrollBarAlwaysOff)
        self.curve_settings_scroll.setWidget(self.curve_settings_inner_frame)
        self.curve_settings_scroll.setWidgetResizable(True)

        self.enable_crosshair_chk.setChecked(False)
        self.enable_crosshair_chk.clicked.connect(
            self.handle_enable_crosshair_checkbox_clicked)
        self.enable_crosshair_chk.clicked.emit(False)

        self.curves_tab_layout = QHBoxLayout()
        self.curves_tab_layout.addWidget(self.curve_settings_scroll)

        self.data_tab_layout = QVBoxLayout()
        self.data_tab_layout.setAlignment(Qt.AlignTop)
        self.data_tab_layout.setSpacing(5)

        self.chart_settings_layout = QVBoxLayout()
        self.chart_settings_layout.setAlignment(Qt.AlignTop)
        self.chart_settings_layout.setSpacing(5)

        self.chart_layout = QVBoxLayout()
        self.chart_layout.setSpacing(10)

        self.chart_panel = QWidget()
        self.chart_panel.setMinimumHeight(400)

        self.chart_control_layout = QHBoxLayout()
        self.chart_control_layout.setAlignment(Qt.AlignHCenter)
        self.chart_control_layout.setSpacing(10)
        self.zoom_x_layout = QVBoxLayout()
        self.zoom_x_layout.setAlignment(Qt.AlignTop)
        self.zoom_x_layout.setSpacing(5)

        self.plus_icon = IconFont().icon("plus", color=QColor("green"))
        self.minus_icon = IconFont().icon("minus", color=QColor("red"))
        self.view_all_icon = IconFont().icon("globe", color=QColor("blue"))
        self.reset_icon = IconFont().icon("circle-o-notch",
                                          color=QColor("green"))

        self.zoom_in_x_btn = QPushButton("X Zoom")
        self.zoom_in_x_btn.setIcon(self.plus_icon)
        self.zoom_in_x_btn.clicked.connect(
            partial(self.handle_zoom_in_btn_clicked, "x", True))
        self.zoom_in_x_btn.setEnabled(False)

        self.zoom_out_x_btn = QPushButton("X Zoom")
        self.zoom_out_x_btn.setIcon(self.minus_icon)
        self.zoom_out_x_btn.clicked.connect(
            partial(self.handle_zoom_in_btn_clicked, "x", False))
        self.zoom_out_x_btn.setEnabled(False)

        self.zoom_y_layout = QVBoxLayout()
        self.zoom_y_layout.setAlignment(Qt.AlignTop)
        self.zoom_y_layout.setSpacing(5)

        self.zoom_in_y_btn = QPushButton("Y Zoom")
        self.zoom_in_y_btn.setIcon(self.plus_icon)
        self.zoom_in_y_btn.clicked.connect(
            partial(self.handle_zoom_in_btn_clicked, "y", True))
        self.zoom_in_y_btn.setEnabled(False)

        self.zoom_out_y_btn = QPushButton("Y Zoom")
        self.zoom_out_y_btn.setIcon(self.minus_icon)
        self.zoom_out_y_btn.clicked.connect(
            partial(self.handle_zoom_in_btn_clicked, "y", False))
        self.zoom_out_y_btn.setEnabled(False)

        self.view_all_btn = QPushButton("View All")
        self.view_all_btn.setIcon(self.view_all_icon)
        self.view_all_btn.clicked.connect(self.handle_view_all_button_clicked)
        self.view_all_btn.setEnabled(False)

        self.view_all_reset_chart_layout = QVBoxLayout()
        self.view_all_reset_chart_layout.setAlignment(Qt.AlignTop)
        self.view_all_reset_chart_layout.setSpacing(5)

        self.pause_chart_layout = QVBoxLayout()
        self.pause_chart_layout.setAlignment(Qt.AlignTop)
        self.pause_chart_layout.setSpacing(5)

        self.reset_chart_btn = QPushButton("Reset")
        self.reset_chart_btn.setIcon(self.reset_icon)
        self.reset_chart_btn.clicked.connect(
            self.handle_reset_chart_btn_clicked)
        self.reset_chart_btn.setEnabled(False)

        self.pause_icon = IconFont().icon("pause", color=QColor("red"))
        self.play_icon = IconFont().icon("play", color=QColor("green"))
        self.pause_chart_btn = QPushButton()
        self.pause_chart_btn.setIcon(self.pause_icon)
        self.pause_chart_btn.clicked.connect(
            self.handle_pause_chart_btn_clicked)

        self.title_settings_layout = QVBoxLayout()
        self.title_settings_layout.setAlignment(Qt.AlignTop)
        self.title_settings_layout.setSpacing(5)

        self.title_settings_grpbx = QGroupBox("Title and Legend")
        self.title_settings_grpbx.setMaximumHeight(120)

        self.import_export_data_layout = QVBoxLayout()
        self.import_export_data_layout.setAlignment(Qt.AlignTop)
        self.import_export_data_layout.setSpacing(5)

        self.import_data_btn = QPushButton("Import...")
        self.import_data_btn.clicked.connect(
            self.handle_import_data_btn_clicked)

        self.export_data_btn = QPushButton("Export...")
        self.export_data_btn.clicked.connect(
            self.handle_export_data_btn_clicked)

        self.chart_title_layout = QHBoxLayout()
        self.chart_title_layout.setSpacing(10)

        self.chart_title_lbl = QLabel(text="Graph Title")
        self.chart_title_line_edt = QLineEdit()
        self.chart_title_line_edt.setText(self.chart.getPlotTitle())
        self.chart_title_line_edt.textChanged.connect(
            self.handle_title_text_changed)

        self.chart_title_font_btn = QPushButton()
        self.chart_title_font_btn.setFixedHeight(24)
        self.chart_title_font_btn.setFixedWidth(24)
        self.chart_title_font_btn.setIcon(IconFont().icon("font"))
        self.chart_title_font_btn.clicked.connect(
            partial(self.handle_chart_font_changed, "title"))

        self.chart_change_axis_settings_btn = QPushButton(
            text="Change Axis Settings...")
        self.chart_change_axis_settings_btn.clicked.connect(
            self.handle_change_axis_settings_clicked)

        self.update_datetime_timer = QTimer(self)
        self.update_datetime_timer.timeout.connect(
            self.handle_update_datetime_timer_timeout)

        self.chart_sync_mode_layout = QVBoxLayout()
        self.chart_sync_mode_layout.setSpacing(5)

        self.chart_sync_mode_grpbx = QGroupBox("Data Sampling Mode")
        self.chart_sync_mode_grpbx.setMaximumHeight(100)

        self.chart_sync_mode_sync_radio = QRadioButton("Synchronous")
        self.chart_sync_mode_async_radio = QRadioButton("Asynchronous")
        self.chart_sync_mode_async_radio.setChecked(True)

        self.graph_drawing_settings_layout = QVBoxLayout()
        self.graph_drawing_settings_layout.setAlignment(Qt.AlignVCenter)

        self.chart_interval_layout = QFormLayout()

        self.chart_redraw_rate_lbl = QLabel("Redraw Rate (Hz)")
        self.chart_redraw_rate_spin = QSpinBox()
        self.chart_redraw_rate_spin.setRange(MIN_REDRAW_RATE_HZ,
                                             MAX_REDRAW_RATE_HZ)
        self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ)
        self.chart_redraw_rate_spin.editingFinished.connect(
            self.handle_redraw_rate_changed)

        self.chart_data_sampling_rate_lbl = QLabel("Data Sampling Rate (Hz)")
        self.chart_data_async_sampling_rate_spin = QSpinBox()
        self.chart_data_async_sampling_rate_spin.setRange(
            MIN_DATA_SAMPLING_RATE_HZ, MAX_DATA_SAMPLING_RATE_HZ)
        self.chart_data_async_sampling_rate_spin.setValue(
            DEFAULT_DATA_SAMPLING_RATE_HZ)
        self.chart_data_async_sampling_rate_spin.editingFinished.connect(
            self.handle_data_sampling_rate_changed)
        self.chart_data_sampling_rate_lbl.hide()
        self.chart_data_async_sampling_rate_spin.hide()

        self.chart_limit_time_span_layout = QHBoxLayout()
        self.chart_limit_time_span_layout.setSpacing(5)

        self.limit_time_plan_text = "Limit Time Span"
        self.chart_limit_time_span_chk = QCheckBox(self.limit_time_plan_text)
        self.chart_limit_time_span_chk.hide()
        self.chart_limit_time_span_lbl = QLabel("Hr:Min:Sec")
        self.chart_limit_time_span_hours_spin_box = QSpinBox()
        self.chart_limit_time_span_hours_spin_box.setMaximum(999)
        self.chart_limit_time_span_minutes_spin_box = QSpinBox()
        self.chart_limit_time_span_minutes_spin_box.setMaximum(59)
        self.chart_limit_time_span_seconds_spin_box = QSpinBox()
        self.chart_limit_time_span_seconds_spin_box.setMaximum(59)
        self.chart_limit_time_span_activate_btn = QPushButton("Apply")
        self.chart_limit_time_span_activate_btn.setDisabled(True)

        self.chart_ring_buffer_layout = QFormLayout()

        self.chart_ring_buffer_size_lbl = QLabel("Ring Buffer Size")
        self.chart_ring_buffer_size_edt = QLineEdit()
        self.chart_ring_buffer_size_edt.returnPressed.connect(
            self.handle_buffer_size_changed)
        self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE))

        self.show_legend_chk = QCheckBox("Show Legend")
        self.show_legend_chk.clicked.connect(
            self.handle_show_legend_checkbox_clicked)
        self.show_legend_chk.setChecked(self.chart.showLegend)

        self.legend_font_btn = QPushButton()
        self.legend_font_btn.setFixedHeight(24)
        self.legend_font_btn.setFixedWidth(24)
        self.legend_font_btn.setIcon(IconFont().icon("font"))
        self.legend_font_btn.clicked.connect(
            partial(self.handle_chart_font_changed, "legend"))

        self.graph_background_color_layout = QFormLayout()
        self.axis_grid_color_layout = QFormLayout()

        self.background_color_lbl = QLabel("Graph Background Color ")
        self.background_color_btn = QPushButton()
        self.background_color_btn.setStyleSheet(
            "background-color: " + self.chart.getBackgroundColor().name())
        self.background_color_btn.setContentsMargins(10, 0, 5, 5)
        self.background_color_btn.setMaximumWidth(20)
        self.background_color_btn.clicked.connect(
            self.handle_background_color_button_clicked)

        self.axis_settings_layout = QVBoxLayout()
        self.axis_settings_layout.setSpacing(10)

        self.show_x_grid_chk = QCheckBox("Show x Grid")
        self.show_x_grid_chk.setChecked(self.chart.showXGrid)
        self.show_x_grid_chk.clicked.connect(
            self.handle_show_x_grid_checkbox_clicked)

        self.show_y_grid_chk = QCheckBox("Show y Grid")
        self.show_y_grid_chk.setChecked(self.chart.showYGrid)
        self.show_y_grid_chk.clicked.connect(
            self.handle_show_y_grid_checkbox_clicked)

        self.axis_color_lbl = QLabel("Axis and Grid Color")
        self.axis_color_btn = QPushButton()
        self.axis_color_btn.setStyleSheet("background-color: " +
                                          DEFAULT_CHART_AXIS_COLOR.name())
        self.axis_color_btn.setContentsMargins(10, 0, 5, 5)
        self.axis_color_btn.setMaximumWidth(20)
        self.axis_color_btn.clicked.connect(
            self.handle_axis_color_button_clicked)

        self.grid_opacity_lbl = QLabel("Grid Opacity")
        self.grid_opacity_lbl.setEnabled(False)

        self.grid_opacity_slr = QSlider(Qt.Horizontal)
        self.grid_opacity_slr.setFocusPolicy(Qt.StrongFocus)
        self.grid_opacity_slr.setRange(0, 10)
        self.grid_opacity_slr.setValue(5)
        self.grid_opacity_slr.setTickInterval(1)
        self.grid_opacity_slr.setSingleStep(1)
        self.grid_opacity_slr.setTickPosition(QSlider.TicksBelow)
        self.grid_opacity_slr.valueChanged.connect(
            self.handle_grid_opacity_slider_mouse_release)
        self.grid_opacity_slr.setEnabled(False)

        self.reset_data_settings_btn = QPushButton("Reset Data Settings")
        self.reset_data_settings_btn.clicked.connect(
            self.handle_reset_data_settings_btn_clicked)

        self.reset_chart_settings_btn = QPushButton("Reset Chart Settings")
        self.reset_chart_settings_btn.clicked.connect(
            self.handle_reset_chart_settings_btn_clicked)

        self.curve_checkbox_panel = QWidget()

        self.graph_drawing_settings_grpbx = QGroupBox("Graph Intervals")
        self.graph_drawing_settings_grpbx.setAlignment(Qt.AlignTop)

        self.axis_settings_grpbx = QGroupBox("Graph Appearance")

        self.app = QApplication.instance()
        self.setup_ui()

        self.curve_settings_disp = None
        self.axis_settings_disp = None
        self.chart_data_export_disp = None
        self.chart_data_import_disp = None
        self.grid_alpha = 5
        self.time_span_limit_hours = None
        self.time_span_limit_minutes = None
        self.time_span_limit_seconds = None
        self.data_sampling_mode = ASYNC_DATA_SAMPLING

        # If there is an imported config file, let's start TimeChart with the imported configuration data
        if config_file:
            importer = SettingsImporter(self)
            try:
                importer.import_settings(config_file)
            except SettingsImporterException:
                display_message_box(
                    QMessageBox.Critical, "Import Failure",
                    "Cannot import the file '{0}'. Check the log for the error details."
                    .format(config_file))
                logger.exception(
                    "Cannot import the file '{0}'.".format(config_file))