Пример #1
0
class BinningSpinbox(QWidget):
    def __init__(self, plot, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.plot = plot
        ly = QGridLayout()
        # remove annoying padding
        ly.setContentsMargins(0, 0, 0, 0)
        self.setLayout(ly)

        self.label = QLabel('Binning:')
        ly.addWidget(self.label, 0, 0)

        self.auto = QCheckBox('auto', checked=False)
        ly.addWidget(self.auto, 0, 1)

        self.spinbox = QSpinBox()
        ly.addWidget(self.spinbox, 1, 0, 1, 2)
        self.spinbox.setRange(1, 100000)
        self.spinbox.setValue(10)

        self.spinbox.valueChanged.connect(self._on_binning_change)
        self.auto.clicked.connect(self._on_auto_change)

        self.auto.click()

    def _on_binning_change(self):
        self.plot.set_binning(self.spinbox.value())

    def _on_auto_change(self, checked):
        self.spinbox.setVisible(not checked)
        if checked:
            self.plot.set_binning('auto')
        else:
            self._on_binning_change()
Пример #2
0
class AnimationWindow(PyDialog):
    """
    +-------------------+
    | Animation         |
    +-------------------------+
    | icase   ______          |
    | scale   ______  Default |
    | time    ______  Default |
    |                         |
    | nframes ______  Default |
    | resolu. ______  Default |
    | Dir     ______  Browse  |
    | iFrame  ______          |
    |                         |
    | Animations:             |
    | o Scale, Phase, Time    |
    |                         |
    | x delete images         |
    | x repeat                |  # TODO: change to an integer
    | x make gif              |
    |                         |
    |      Step, RunAll       |
    |         Close           |
    +-------------------------+

    TODO: add key-frame support
    """
    def __init__(self, data, win_parent=None):
        PyDialog.__init__(self, data, win_parent)
        self.set_font_size(data['font_size'])
        self.istep = 0
        self._animate_type = 'time'

        self._updated_animation = False
        self._active_deformation = 0.
        self._icase_fringe = data['icase_fringe']
        self._icase_disp = data['icase_disp']
        self._icase_vector = data['icase_vector']

        self._default_name = data['name']
        self._default_time = data['time']
        self._default_fps = data['frames/sec']
        self._default_resolution = data['resolution']

        self._scale = data['scale']
        self._default_scale = data['default_scale']
        self._default_is_scale = data['is_scale']

        self._arrow_scale = data['arrow_scale']
        self._default_arrow_scale = data['default_arrow_scale']

        self._phase = data['phase']
        self._default_phase = data['default_phase']

        self._default_dirname = data['dirname']
        self._default_gif_name = os.path.join(self._default_dirname,
                                              data['name'] + '.gif')

        self.animation_types = [
            'Animate Scale',
        ]
        #'Animate Phase',
        #'Animate Time',
        #'Animate Frequency Sweep'
        #]

        self.setWindowTitle('Animate Model')
        self.create_widgets()
        self.create_layout()
        self.set_connections()

        self.is_gui = False
        if hasattr(self.win_parent, '_updated_legend'):
            self.win_parent.is_animate_open = True
            self.is_gui = True
        self.on_update_min_max_defaults()

    def create_widgets(self):
        """creates the menu objects"""
        self.box_scale = QGroupBox('Animate Scale')
        self.box_time = QGroupBox('Animate Time')

        icase_max = 1000  # TODO: update 1000

        self.checkbox_fringe = QCheckBox('Animate')
        self.checkbox_fringe.setToolTip(
            'Animate the fringe in addition to the deflection')
        #self.checkbox_disp = QCheckBox('Animate')
        self.checkbox_fringe.setEnabled(False)

        self.icase_fringe_label = QLabel("iCase (Fringe):")
        self.icase_fringe_edit = QSpinBox(self)
        self.icase_fringe_edit.setRange(0, icase_max)
        self.icase_fringe_edit.setSingleStep(1)
        if self._icase_fringe is not None:
            self.icase_fringe_edit.setValue(self._icase_fringe)
        self.icase_fringe_edit.setToolTip(
            'Case Number for the Scale/Phase Animation Type.\n'
            'Defaults to the result you had shown when you clicked "Create Animation".\n'
            'iCase can be seen by clicking "Apply" on a result.')

        self.icase_disp_label = QLabel("iCase (Disp):")
        self.icase_disp_edit = QSpinBox(self)
        self.icase_disp_edit.setRange(1, icase_max)
        self.icase_disp_edit.setSingleStep(1)
        if self._icase_disp is not None:
            self.icase_disp_edit.setValue(self._icase_disp)

        self.checkbox_vector = QCheckBox('Animate')
        self.checkbox_vector.setToolTip(
            'Animate the vector in addition to the deflection')
        self.checkbox_vector.hide()
        #self.checkbox_disp = QCheckBox('Animate')

        self.icase_vector_label = QLabel("iCase (Vector):")
        self.icase_vector_edit = QSpinBox(self)
        self.icase_vector_edit.setRange(1, icase_max)
        self.icase_vector_edit.setSingleStep(1)
        if self._icase_vector is not None:
            self.icase_vector_edit.setValue(self._icase_vector)

        self.scale_label = QLabel("True Scale:")
        self.scale_edit = QLineEdit(str(self._scale))
        self.scale_button = QPushButton("Default")
        self.scale_edit.setToolTip('Scale factor of the "deflection"')
        self.scale_button.setToolTip('Sets the scale factor of the gif to %s' %
                                     self._scale)

        self.arrow_scale_label = QLabel("Arrow Scale:")
        self.arrow_scale_edit = QLineEdit(str(self._scale))
        self.arrow_scale_button = QPushButton("Default")
        self.arrow_scale_edit.setToolTip('Scale factor of the "arrows"')
        self.arrow_scale_button.setToolTip(
            'Sets the arrow scale factor of the gif to %s' % self._arrow_scale)

        self.arrow_scale_label.setVisible(False)
        self.arrow_scale_edit.setVisible(False)
        self.arrow_scale_button.setVisible(False)

        self.time_label = QLabel("Total Time (sec):")
        self.time_edit = QDoubleSpinBox(self)
        self.time_edit.setValue(self._default_time)
        self.time_edit.setRange(0.1, 5. * 60.)
        self.time_edit.setDecimals(2)
        self.time_edit.setSingleStep(0.1)
        self.time_button = QPushButton("Default")
        self.time_edit.setToolTip("Total time of the gif")
        self.time_button.setToolTip('Sets the total time of the gif to %.2f' %
                                    self._default_time)

        self.fps_label = QLabel("Frames/Second:")
        self.fps_edit = QSpinBox(self)
        self.fps_edit.setRange(1, 60)
        self.fps_edit.setSingleStep(1)
        self.fps_edit.setValue(self._default_fps)
        self.fps_button = QPushButton("Default")
        self.fps_edit.setToolTip(
            "A higher FPS is smoother, but may not play well for large gifs")
        self.fps_button.setToolTip('Sets the FPS to %s' % self._default_fps)

        self.resolution_label = QLabel("Resolution Scale:")
        self.resolution_edit = QSpinBox(self)
        self.resolution_edit.setRange(1, 5)
        self.resolution_edit.setSingleStep(1)
        self.resolution_edit.setValue(self._default_resolution)
        self.resolution_button = QPushButton("Default")
        self.resolution_edit.setToolTip(
            'Scales the window resolution by an integer factor')
        self.resolution_button.setToolTip('Sets the resolution to %s' %
                                          self._default_resolution)

        #-----------------
        # Time plot
        self.fringe_label = QLabel("Fringe")

        self.icase_fringe_start_edit = QSpinBox(self)
        self.icase_fringe_start_edit.setRange(0, icase_max)
        self.icase_fringe_start_edit.setSingleStep(1)
        self.icase_fringe_start_edit.setValue(self._icase_fringe)
        self.icase_fringe_start_button = QPushButton("Default")

        self.icase_fringe_end_edit = QSpinBox(self)
        self.icase_fringe_end_edit.setRange(0, icase_max)
        self.icase_fringe_end_edit.setSingleStep(1)
        self.icase_fringe_end_edit.setValue(self._icase_fringe)
        self.icase_fringe_end_button = QPushButton("Default")

        self.icase_fringe_delta_edit = QSpinBox(self)
        self.icase_fringe_delta_edit.setRange(1, icase_max)
        self.icase_fringe_delta_edit.setSingleStep(1)
        self.icase_fringe_delta_edit.setValue(1)
        self.icase_fringe_delta_button = QPushButton("Default")

        self.displacement_label = QLabel("Displacement")
        self.icase_start = QLabel("iCase Start:")
        self.icase_disp_start_edit = QSpinBox(self)
        self.icase_disp_start_edit.setRange(0, icase_max)
        self.icase_disp_start_edit.setSingleStep(1)
        self.icase_disp_start_edit.setValue(self._icase_fringe)
        self.icase_disp_start_button = QPushButton("Default")

        self.icase_end_label = QLabel("iCase End:")
        self.icase_disp_end_edit = QSpinBox(self)
        self.icase_disp_end_edit.setRange(0, icase_max)
        self.icase_disp_end_edit.setSingleStep(1)
        self.icase_disp_end_edit.setValue(self._icase_fringe)
        self.icase_disp_end_button = QPushButton("Default")

        self.icase_delta_label = QLabel("iCase Delta:")
        self.icase_disp_delta_edit = QSpinBox(self)
        self.icase_disp_delta_edit.setRange(1, icase_max)
        self.icase_disp_delta_edit.setSingleStep(1)
        self.icase_disp_delta_edit.setValue(1)
        self.icase_disp_delta_button = QPushButton("Default")

        self.min_value_enable = QCheckBox()
        self.min_value_label = QLabel("Min Value:")
        self.min_value_edit = QLineEdit('')
        #self.min_value_edit.setRange(1, 1000)
        #self.min_value_edit.setSingleStep(1)
        #self.min_value_edit.setValue(1)
        self.min_value_button = QPushButton("Default")

        self.max_value_enable = QCheckBox()
        self.max_value_label = QLabel("Max Value:")
        self.max_value_edit = QLineEdit('')
        #self.min_value_edit.setRange(1, 1000)  # TODO: update 1000
        #self.min_value_edit.setSingleStep(1)
        #self.min_value_edit.setValue(1)
        self.max_value_button = QPushButton("Default")

        # TODO: enable this (uncomment) ------------------------------------------
        #self.min_value_enable.hide()
        #self.min_value.hide()
        #self.min_value_edit.hide()
        #self.min_value_button.hide()

        #self.max_value_enable.hide()
        #self.max_value.hide()
        #self.max_value_edit.hide()
        #self.max_value_button.hide()
        # TODO: enable this (uncomment) ------------------------------------------

        self.icase_disp_start_edit.setToolTip(
            'The first frame of the animation')
        self.icase_disp_end_edit.setToolTip(
            'The last frame of the animation\n'
            'Assumes icase_start + nframes * icase_delta = icase_end')
        self.icase_disp_delta_edit.setToolTip(
            'The frame step size (to skip non-consecutive results).\n'
            'Frame skipping can be used to:\n'
            "  - skip across results that you don't want to plot\n"
            '  - adjust the FPS')

        self.min_value_edit.setToolTip(
            'Min value of the legend (not supported)')
        self.max_value_edit.setToolTip(
            'Max value of the legend (not supported)')
        #'time' : 0.,
        #'default_time' : 0,
        #'icase_start' : 10,
        #'icase_delta' : 3,
        #'min_value' : 0.,
        #'max_value' : 1000.,

        self.browse_folder_label = QLabel('Output Directory:')
        self.browse_folder_edit = QLineEdit(str(self._default_dirname))
        self.browse_folder_button = QPushButton('Browse')
        self.browse_folder_edit.setToolTip(
            'Location to save the png/gif files')

        self.gif_label = QLabel("Gif Filename:")
        self.gif_edit = QLineEdit(str(self._default_name + '.gif'))
        self.gif_button = QPushButton('Default')
        self.gif_edit.setToolTip('Name of the gif')
        self.gif_button.setToolTip('Sets the name of the gif to %s.gif' %
                                   self._default_name)

        # scale / phase
        if 1:  # pragma: no cover
            self.animate_scale_radio = QRadioButton("Animate Scale")
            self.animate_phase_radio = QRadioButton("Animate Phase")
            self.animate_time_radio = QRadioButton("Animate Time")
            self.animate_freq_sweeep_radio = QRadioButton(
                "Animate Frequency Sweep")
            self.animate_scale_radio.setToolTip(
                'Animates the scale factor based on the "Animation Type"')
            self.animate_time_radio.setToolTip(
                'Animates the time/load/mode step')

            self.animate_scale_radio.setChecked(self._default_is_scale)
            self.animate_phase_radio.setChecked(not self._default_is_scale)
            self.animate_time_radio.setChecked(False)

            msg = 'Scale : Animates the scale factor based on the "Animation Profile"\n'
            if self._default_phase is None:
                self.animate_phase_radio.setDisabled(True)
                self.animate_phase_radio.setToolTip(
                    'Animates the phase angle '
                    '(only for complex results)')
                msg += 'Phase : Animates the phase angle (only for complex results)\n'
            else:
                self.animate_phase_radio.setToolTip("Animates the phase angle")
                msg += 'Phase : Animates the phase angle\n'
            msg += (
                'Time : Animates the time/load/mode step\n'
                'Freq Sweep : Animates a complex result across a range of frequencies '
                '(not supported)\n')

            self.animate_freq_sweeep_radio.setDisabled(True)
            self.animate_freq_sweeep_radio.setToolTip(
                'Animates a complex result across a range of frequencies (not supported)'
            )
        else:
            msg = 'Scale : Animates the scale factor based on the "Animation Profile"\n'
            if self._default_phase is None:
                #self.animate_phase_radio.setDisabled(True)
                #self.animate_phase_radio.setToolTip('Animates the phase angle '
                #'(only for complex results)')
                msg += 'Phase : Animates the phase angle (only for complex results)\n'
            else:
                #self.animate_phase_radio.setToolTip("Animates the phase angle")
                msg += 'Phase : Animates the phase angle\n'
            msg += (
                'Time : Animates the time/load/mode step\n'
                'Freq Sweep : Animates a complex result across a range of frequencies '
                '(not supported)\n')

        self.animation_type = QLabel("Animation Type:")
        animation_type = OrderedDict()
        #scale_msg = 'Scale\n'
        #phase_msg = 'Phase\n'
        #time_msg = 'Time\n'
        #animation_types = [
        #('Animate Scale', scale_msg),
        #('Animate Phase', phase_msg),
        #('Animate Time', time_msg),
        ##'Animate Frequency Sweep'
        #]

        if self._phase is not None:
            self.animation_types.append('Animate Phase')
        self.animation_types.append('Animate Time')

        self.animation_profile_label = QLabel("Animation Profile:")

        self.animation_profile_edit = QComboBox()
        for animation_profile in ANIMATION_PROFILES:
            self.animation_profile_edit.addItem(animation_profile)
        self.animation_profile_edit.setToolTip('The profile for a scaled GIF')

        self.animation_type_edit = QComboBox()
        # TODO: add a tooltip for each item
        for animation_type in self.animation_types:
            self.animation_type_edit.addItem(animation_type)
        #self.animation_type_edit.setToolTip('The profile for a scaled GIF')
        self.animation_type_edit.setToolTip(msg.rstrip())

        self.csv_profile_label = QLabel("CSV profile:")
        self.csv_profile_edit = QLineEdit()
        self.csv_profile_browse_button = QPushButton('Browse')
        self.csv_profile_edit.setToolTip(
            'The path to the CSV file of (Scale1, Scale2, Scale3, ...)')

        #widget = QWidget(self)
        #horizontal_vertical_group = QButtonGroup(widget)
        #horizontal_vertical_group.addButton(self.animate_scale_radio)
        #horizontal_vertical_group.addButton(self.animate_phase_radio)
        #horizontal_vertical_group.addButton(self.animate_time_radio)
        #horizontal_vertical_group.addButton(self.animate_freq_sweeep_radio)

        # animate in gui
        self.animate_in_gui_checkbox = QCheckBox("Animate In GUI?")
        self.animate_in_gui_checkbox.setChecked(True)

        # make images
        self.make_images_checkbox = QCheckBox("Make images?")
        self.make_images_checkbox.setChecked(True)

        # make images
        self.overwrite_images_checkbox = QCheckBox("Overwrite images?")
        self.overwrite_images_checkbox.setChecked(True)

        # delete images when finished
        self.delete_images_checkbox = QCheckBox("Delete images when finished?")
        self.delete_images_checkbox.setChecked(True)

        # endless loop
        self.repeat_checkbox = QCheckBox("Repeat?")
        self.repeat_checkbox.setChecked(True)
        self.repeat_checkbox.setToolTip(
            "Repeating creates an infinitely looping gif")

        # endless loop
        self.make_gif_checkbox = QCheckBox("Make Gif?")
        if IS_IMAGEIO:
            self.make_gif_checkbox.setChecked(True)
        else:
            self.make_gif_checkbox.setChecked(False)
            self.make_gif_checkbox.setEnabled(False)
            self.make_gif_checkbox.setToolTip(
                'imageio is not available; install it')

        # bottom buttons
        self.step_button = QPushButton("Step")
        self.wipe_button = QPushButton("Wipe Deformed Shape")
        self.stop_button = QPushButton("Stop")
        self.run_button = QPushButton("Run")

        self.step_button.setToolTip(
            'Steps through the animation (for testing)')
        self.wipe_button.setToolTip(
            'Removes the existing "deflecton" from the animation')
        self.stop_button.setToolTip('Stops the animation')
        self.run_button.setToolTip('Creates the animation')
        self.step_button.hide()
        self.wipe_button.hide()

        self.wipe_button.setEnabled(False)
        #self.wipe_button.hide()
        self.stop_button.setEnabled(False)

        self.cancel_button = QPushButton("Close")

        #self.set_grid_time(enabled=False)
        #self.set_grid_scale(enabled=self._default_is_scale)
        if self._default_phase:
            self.on_animate_phase(force=True)
            set_combo_box_text(self.animation_type_edit, 'Animate Phase')
        else:
            self.on_animate_scale(force=True)

    def set_connections(self):
        """creates button actions"""
        self.checkbox_vector.clicked.connect(self.on_checkbox_vector)

        self.scale_button.clicked.connect(self.on_default_scale)
        self.arrow_scale_button.clicked.connect(self.on_default_arrow_scale)
        self.time_button.clicked.connect(self.on_default_time)

        self.fps_button.clicked.connect(self.on_default_fps)
        self.resolution_button.clicked.connect(self.on_default_resolution)
        self.browse_folder_button.clicked.connect(self.on_browse_folder)
        self.csv_profile_browse_button.clicked.connect(self.on_browse_csv)
        self.gif_button.clicked.connect(self.on_default_name)

        self.step_button.clicked.connect(self.on_step)
        self.wipe_button.clicked.connect(self.on_wipe)
        self.stop_button.clicked.connect(self.on_stop)
        self.run_button.clicked.connect(self.on_run)
        self.min_value_enable.clicked.connect(self.on_min_value_enable)
        self.max_value_enable.clicked.connect(self.on_max_value_enable)

        self.min_value_button.clicked.connect(self.on_min_value_default)
        self.max_value_button.clicked.connect(self.on_max_value_default)
        self.icase_disp_start_button.clicked.connect(
            self.on_update_min_max_defaults)

        #self.animate_scale_radio.clicked.connect(self.on_animate_scale)
        #self.animate_phase_radio.clicked.connect(self.on_animate_phase)
        #self.animate_time_radio.clicked.connect(self.on_animate_time)
        self.animation_type_edit.currentIndexChanged.connect(self.on_animate)
        #self.animate_freq_sweeep_radio

        self.cancel_button.clicked.connect(self.on_cancel)

        self.animate_in_gui_checkbox.clicked.connect(self.on_animate_in_gui)
        self.animate_in_gui_checkbox.setChecked(True)
        self.on_animate_in_gui()

    def on_checkbox_vector(self):
        is_enabled = self.checkbox_vector.isEnabled()
        is_checked = self.checkbox_vector.isChecked()
        enable_edit = is_enabled and is_checked
        self.icase_vector_label.setEnabled(is_checked)
        self.icase_vector_edit.setEnabled(enable_edit)

    def on_animate_in_gui(self):
        animate_in_gui = self.animate_in_gui_checkbox.isChecked()
        enable = not animate_in_gui
        if HIDE_WHEN_INACTIVE:
            self.make_images_checkbox.setVisible(enable)
            self.delete_images_checkbox.setVisible(enable)
            self.make_gif_checkbox.setVisible(enable)
            self.repeat_checkbox.setVisible(enable)
            self.resolution_button.setVisible(enable)
            self.resolution_label.setVisible(enable)
            self.resolution_edit.setVisible(enable)
            self.gif_label.setVisible(enable)
            self.gif_edit.setVisible(enable)
            self.gif_button.setVisible(enable)
            self.browse_folder_label.setVisible(enable)
            self.browse_folder_button.setVisible(enable)
            self.browse_folder_edit.setVisible(enable)
            self.step_button.setEnabled(enable)

        self.make_images_checkbox.setEnabled(enable)
        self.delete_images_checkbox.setEnabled(enable)
        self.make_gif_checkbox.setEnabled(enable)
        self.repeat_checkbox.setEnabled(enable)
        self.resolution_button.setEnabled(enable)
        self.resolution_edit.setEnabled(enable)
        self.gif_edit.setEnabled(enable)
        self.gif_button.setEnabled(enable)
        self.browse_folder_button.setEnabled(enable)
        self.browse_folder_edit.setEnabled(enable)
        self.step_button.setEnabled(enable)
        #wipe_button

    def on_animate(self, value):
        """
        animate pulldown

        Parameters
        ----------
        value : int
            index in animation_types
        """
        #animation_types = ['Animate Scale', 'Animate Phase', 'Animate Time',
        #'Animate Frequency Sweep']
        animation_type = self.animation_types[value]
        if animation_type == 'Animate Scale':
            self.on_animate_scale()
        elif animation_type == 'Animate Phase':
            self.on_animate_phase()
        elif animation_type == 'Animate Time':
            self.on_animate_time()
        else:
            raise NotImplementedError('value = ', value)

    def on_animate_time(self, force=False):
        """enables the secondary input"""
        #print('on_animate_time')
        if self._animate_type == 'scale' or force:
            self.set_grid_scale(False, 'time')
        self.set_grid_time(True, 'time')
        self._animate_type = 'time'

    def on_animate_scale(self, force=False):
        """enables the secondary input"""
        #print('on_animate_scale')
        self.set_grid_scale(True, 'scale')
        if self._animate_type == 'time' or force:
            self.set_grid_time(False, 'scale')
        self._animate_type = 'scale'

    def on_animate_phase(self, force=False):
        """enables the secondary input"""
        #print('on_animate_phase')
        if self._animate_type == 'scale' or force:
            self.set_grid_scale(False, 'phase')
        if self._animate_type == 'time' or force:
            self.set_grid_time(False, 'phase')
        self._animate_type = 'phase'

    def set_grid_scale(self, enabled=True, word=''):
        """enables/disables the secondary input"""
        #print('%s-set_grid_scale; enabled = %r' % (word, enabled))
        if HIDE_WHEN_INACTIVE:
            self.box_scale.setVisible(enabled)
            self.animation_profile_label.setVisible(enabled)
            self.animation_profile_edit.setVisible(enabled)
            #self.min_value_enable.setVisible(enabled)
            #self.max_value_enable.setVisible(enabled)

        self.animation_profile_label.setEnabled(enabled)
        self.animation_profile_edit.setEnabled(enabled)

        # TODO: doesn't work...
        #self.csv_profile.setEnabled(enabled)
        #self.csv_profile_edit.setEnabled(enabled)
        #self.csv_profile_button.setEnabled(enabled)

        self.min_value_enable.setEnabled(enabled)
        self.max_value_enable.setEnabled(enabled)
        self.on_min_value_enable()
        self.on_max_value_enable()

    def set_grid_time(self, enabled=True, word=''):
        """enables/disables the secondary input"""
        #print('%s-set_grid_time; enabled = %r' % (word, enabled))
        if HIDE_WHEN_INACTIVE:
            self.box_time.setVisible(enabled)
            self.checkbox_fringe.setVisible(not enabled)
            self.icase_fringe_label.setVisible(not enabled)
            self.icase_fringe_edit.setVisible(not enabled)
            self.icase_disp_label.setVisible(not enabled)
            self.icase_disp_edit.setVisible(not enabled)
            self.icase_vector_label.setVisible(not enabled)
            self.icase_vector_edit.setVisible(not enabled)

            #self.icase_fringe_delta_edit.setVisible(enabled)
            self.icase_disp_delta_edit.setVisible(enabled)
            self.icase_disp_delta_edit.setVisible(enabled)
            self.fps_label.setVisible(enabled)
            self.fps_edit.setVisible(enabled)
            self.fps_button.setVisible(enabled)

        self.displacement_label.setEnabled(enabled)
        self.fringe_label.setEnabled(enabled)

        self.icase_start.setEnabled(enabled)
        self.icase_disp_start_edit.setEnabled(enabled)
        self.icase_disp_start_button.setEnabled(enabled)
        self.icase_fringe_start_edit.setEnabled(enabled)
        self.icase_fringe_start_button.setEnabled(enabled)

        self.icase_end_label.setEnabled(enabled)
        self.icase_disp_end_edit.setEnabled(enabled)
        self.icase_disp_end_button.setEnabled(enabled)
        self.icase_fringe_end_edit.setEnabled(enabled)
        self.icase_fringe_end_button.setEnabled(enabled)

        self.icase_delta_label.setEnabled(enabled)
        self.icase_disp_delta_edit.setEnabled(enabled)
        self.icase_disp_delta_button.setEnabled(enabled)
        self.icase_fringe_delta_edit.setEnabled(enabled)
        self.icase_fringe_delta_button.setEnabled(enabled)

        #-----------------------------------------------------------------------
        is_min_enabled = self.min_value_enable.isChecked()
        self.min_value_label.setEnabled(is_min_enabled)
        self.min_value_edit.setEnabled(is_min_enabled)
        self.min_value_button.setEnabled(is_min_enabled)

        is_max_enabled = self.max_value_enable.isChecked()
        self.max_value_label.setEnabled(is_max_enabled)
        self.max_value_edit.setEnabled(is_max_enabled)
        self.max_value_button.setEnabled(is_max_enabled)

        self.min_value_enable.setEnabled(enabled)
        self.on_min_value_enable()
        #self.min_value.setEnabled(enabled)
        #self.min_value_edit.setEnabled(enabled)
        #self.min_value_button.setEnabled(enabled)

        self.max_value_enable.setEnabled(enabled)
        self.on_max_value_enable()
        #self.max_value.setEnabled(enabled)
        #self.max_value_edit.setEnabled(enabled)
        #self.max_value_button.setEnabled(enabled)

        self.icase_fringe_label.setEnabled(not enabled)
        self.icase_fringe_edit.setEnabled(not enabled)
        self.checkbox_fringe.setEnabled(not enabled)

        self.icase_disp_label.setEnabled(not enabled)
        self.icase_disp_edit.setEnabled(not enabled)

        self.icase_vector_label.setEnabled(not enabled)
        self.icase_vector_edit.setEnabled(not enabled)
        self.checkbox_vector.setEnabled(not enabled)
        self.on_checkbox_vector()

        self.fps_label.setEnabled(not enabled)
        self.fps_edit.setEnabled(not enabled)
        self.fps_button.setEnabled(not enabled)

    def on_min_value_enable(self):
        """
        The min edit value box is enabled when we switch to time
        and the box is checked
        """
        is_min_enabled = self.min_value_enable.isChecked(
        ) and self.min_value_enable.isEnabled()
        self.min_value_label.setEnabled(is_min_enabled)
        self.min_value_edit.setEnabled(is_min_enabled)
        self.min_value_button.setEnabled(is_min_enabled)

    def on_max_value_enable(self):
        """
        The max edit value box is enabled when we switch to time
        and the box is checked
        """
        is_max_enabled = self.max_value_enable.isChecked(
        ) and self.max_value_enable.isEnabled()
        self.max_value_label.setEnabled(is_max_enabled)
        self.max_value_edit.setEnabled(is_max_enabled)
        self.max_value_button.setEnabled(is_max_enabled)

    def on_update_min_max_defaults(self):
        """
        When the icase is changed, the min/max value default message is changed
        """
        icase = self.icase_disp_start_edit.value()
        min_value, max_value = self.get_min_max(icase)
        self.min_value_button.setToolTip('Sets the min value to %g' %
                                         min_value)
        self.max_value_button.setToolTip('Sets the max value to %g' %
                                         max_value)

    def on_min_value_default(self):
        """When min default icase is pressued, update the value"""
        icase = self.icase_disp_start_edit.value()
        min_value = self.get_min_max(icase)[0]
        self.min_value_edit.setText(str(min_value))
        self.min_value_edit.setStyleSheet("QLineEdit{background: white;}")

    def on_max_value_default(self):
        """When max default icase is pressued, update the value"""
        icase = self.icase_disp_start_edit.value()
        max_value = self.get_min_max(icase)[1]
        self.max_value_edit.setText(str(max_value))
        self.max_value_edit.setStyleSheet("QLineEdit{background: white;}")

    def on_browse_folder(self):
        """opens a folder dialog"""
        dirname = getexistingdirectory(parent=self,
                                       caption='Select a Directory',
                                       basedir='',
                                       options=QFileDialog.ShowDirsOnly)
        if not dirname:
            return
        self.browse_folder_edit.setText(dirname)

    def on_browse_csv(self):
        """opens a file dialog"""
        default_filename = ''
        file_types = 'Delimited Text (*.txt; *.dat; *.csv)'
        dirname = open_file_dialog(self, 'Select a CSV File', default_filename,
                                   file_types)
        if not dirname:
            return
        self.csv_profile_browse_button.setText(dirname)

    def on_default_name(self):
        """sets the default gif name"""
        self.gif_edit.setText(self._default_name + '.gif')

    def on_default_scale(self):
        """sets the default displacement scale factor"""
        self.scale_edit.setText(str(self._default_scale))
        self.scale_edit.setStyleSheet("QLineEdit{background: white;}")

    def on_default_arrow_scale(self):
        """sets the default arrow scale factor"""
        self.arrow_scale_edit.setText(str(self._default_arrow_scale))
        self.arrow_scale_edit.setStyleSheet("QLineEdit{background: white;}")

    def on_default_time(self):
        """sets the default gif time"""
        self.time_edit.setValue(self._default_time)

    def on_default_fps(self):
        """sets the default FPS"""
        self.fps_edit.setValue(self._default_fps)

    def on_default_resolution(self):
        """sets the default image resolution scale factor"""
        self.resolution_edit.setValue(self._default_resolution)

    def create_layout(self):
        """displays the menu objects"""

        grid = QGridLayout()
        irow = 0
        grid.addWidget(self.icase_fringe_label, irow, 0)
        grid.addWidget(self.icase_fringe_edit, irow, 1)
        grid.addWidget(self.checkbox_fringe, irow, 2)
        irow += 1

        grid.addWidget(self.icase_disp_label, irow, 0)
        grid.addWidget(self.icase_disp_edit, irow, 1)
        #grid.addWidget(self.checkbox_disp, irow, 2)
        irow += 1

        grid.addWidget(self.icase_vector_label, irow, 0)
        grid.addWidget(self.icase_vector_edit, irow, 1)
        grid.addWidget(self.checkbox_vector, irow, 2)
        irow += 1

        grid.addWidget(self.scale_label, irow, 0)
        grid.addWidget(self.scale_edit, irow, 1)
        grid.addWidget(self.scale_button, irow, 2)
        irow += 1

        grid.addWidget(self.arrow_scale_label, irow, 0)
        grid.addWidget(self.arrow_scale_edit, irow, 1)
        grid.addWidget(self.arrow_scale_button, irow, 2)
        irow += 1

        grid.addWidget(self.time_label, irow, 0)
        grid.addWidget(self.time_edit, irow, 1)
        grid.addWidget(self.time_button, irow, 2)
        irow += 1

        # spacer
        spacer = QLabel('')

        grid.addWidget(self.fps_label, irow, 0)
        grid.addWidget(self.fps_edit, irow, 1)
        grid.addWidget(self.fps_button, irow, 2)
        irow += 1

        grid.addWidget(self.animation_type, irow, 0)
        grid.addWidget(self.animation_type_edit, irow, 1)
        irow += 1

        grid.addWidget(spacer, irow, 0)
        irow += 1

        #----------
        #Time
        grid_time = QGridLayout()
        jrow = 0

        self.fringe_label.setAlignment(Qt.AlignCenter)
        self.displacement_label.setAlignment(Qt.AlignCenter)

        if not IS_TIME_FRINGE:
            self.fringe_label.hide()
            self.icase_fringe_delta_edit.hide()
            self.icase_fringe_start_edit.hide()
            self.icase_fringe_end_edit.hide()
            self.icase_fringe_delta_button.hide()

        grid_time.addWidget(self.displacement_label, jrow, 1)
        grid_time.addWidget(self.fringe_label, jrow, 2)
        jrow += 1

        grid_time.addWidget(self.icase_start, jrow, 0)
        grid_time.addWidget(self.icase_disp_start_edit, jrow, 1)
        grid_time.addWidget(self.icase_fringe_start_edit, jrow, 2)
        #grid_time.addWidget(self.icase_disp_start_button, jrow, 2)
        jrow += 1

        grid_time.addWidget(self.icase_end_label, jrow, 0)
        grid_time.addWidget(self.icase_disp_end_edit, jrow, 1)
        grid_time.addWidget(self.icase_fringe_end_edit, jrow, 2)
        #grid_time.addWidget(self.icase_end_button, jrow, 2)
        jrow += 1

        grid_time.addWidget(self.icase_delta_label, jrow, 0)
        grid_time.addWidget(self.icase_disp_delta_edit, jrow, 1)
        grid_time.addWidget(self.icase_fringe_delta_edit, jrow, 2)
        #grid_time.addWidget(self.icase_delta_button, jrow, 2)
        jrow += 1

        hbox_min = QHBoxLayout()
        hbox_min.addWidget(self.min_value_enable)
        hbox_min.addWidget(self.min_value_label)
        grid_time.addLayout(hbox_min, jrow, 0)
        grid_time.addWidget(self.min_value_edit, jrow, 1)
        grid_time.addWidget(self.min_value_button, jrow, 2)
        jrow += 1

        hbox_max = QHBoxLayout()
        hbox_max.addWidget(self.max_value_enable)
        hbox_max.addWidget(self.max_value_label)
        grid_time.addLayout(hbox_max, jrow, 0)
        grid_time.addWidget(self.max_value_edit, jrow, 1)
        grid_time.addWidget(self.max_value_button, jrow, 2)
        jrow += 1

        grid_time.addWidget(spacer, jrow, 0)
        jrow += 1

        #--------------
        grid_scale = QGridLayout()
        grid_scale.addWidget(self.animation_profile_label, 0, 0)
        grid_scale.addWidget(self.animation_profile_edit, 0, 1)

        #grid_scale.addWidget(self.csv_profile, 1, 0)
        #grid_scale.addWidget(self.csv_profile_edit, 1, 1)
        #grid_scale.addWidget(self.csv_profile_browse_button, 1, 2)

        self.csv_profile = QLabel("CSV profile:")
        self.csv_profile_edit = QLineEdit()
        self.csv_profile_button = QPushButton('Browse')

        #box_time = QVBoxLayout()
        # TODO: It's super annoying that the animate time box doesn't
        #       line up with the previous box
        self.box_scale.setLayout(grid_scale)

        self.box_time.setLayout(grid_time)
        #----------

        grid2 = QGridLayout()
        irow = 0
        #grid2.addWidget(self.animate_scale_radio, 8, 0)
        #grid2.addWidget(self.animate_phase_radio, 8, 1)
        #grid2.addWidget(self.animate_time_radio, 8, 2)
        #grid2.addWidget(self.animate_freq_sweeep_radio, 8, 3)

        grid2.addWidget(self.animate_in_gui_checkbox, irow, 0)
        irow += 1

        grid2.addWidget(self.resolution_label, irow, 0)
        grid2.addWidget(self.resolution_edit, irow, 1)
        grid2.addWidget(self.resolution_button, irow, 2)
        irow += 1

        grid2.addWidget(self.browse_folder_label, irow, 0)
        grid2.addWidget(self.browse_folder_edit, irow, 1)
        grid2.addWidget(self.browse_folder_button, irow, 2)
        irow += 1

        grid2.addWidget(self.gif_label, irow, 0)
        grid2.addWidget(self.gif_edit, irow, 1)
        grid2.addWidget(self.gif_button, irow, 2)
        irow += 1

        grid2.addWidget(self.make_images_checkbox, irow, 0)
        #grid2.addWidget(self.overwrite_images_checkbox, irow, 0)
        grid2.addWidget(self.delete_images_checkbox, irow, 1)
        grid2.addWidget(self.make_gif_checkbox, irow, 2)
        irow += 1
        grid2.addWidget(self.repeat_checkbox, irow, 0)
        irow += 1
        grid2.addWidget(spacer, irow, 0)

        grid_hbox = QHBoxLayout()
        grid_hbox.addWidget(spacer)
        grid_hbox.addLayout(grid2)
        grid_hbox.addWidget(spacer)

        # bottom buttons
        step_run_box = QHBoxLayout()
        step_run_box.addWidget(self.step_button)
        step_run_box.addWidget(self.wipe_button)
        step_run_box.addWidget(self.stop_button)
        step_run_box.addWidget(self.run_button)

        ok_cancel_box = QHBoxLayout()
        ok_cancel_box.addWidget(self.cancel_button)

        vbox = QVBoxLayout()
        vbox.addLayout(grid)
        vbox.addWidget(self.box_scale)
        vbox.addWidget(self.box_time)
        #vbox.addLayout(checkboxes)
        vbox.addLayout(grid_hbox)
        vbox.addStretch()
        vbox.addLayout(step_run_box)
        vbox.addLayout(ok_cancel_box)
        self.setLayout(vbox)

    def on_step(self):
        """click the Step button"""
        passed, validate_out = self.on_validate()
        if passed:
            try:
                self._make_gif(validate_out, istep=self.istep)
                self.istep += 1
            except IndexError:
                self._make_gif(validate_out, istep=0)
                self.istep += 1
            self.wipe_button.setEnabled(True)

    def on_wipe(self):
        """click the Wipe button"""
        passed, validate_out = self.on_validate(wipe=True)
        if passed:
            self.istep = 0
            self._make_gif(validate_out, istep=self.istep)
            self.wipe_button.setEnabled(False)
            self.stop_button.setEnabled(False)

    def on_stop(self):
        """click the Stop button"""
        #passed, validate_out = self.on_validate()
        #if passed:
        #self._make_gif(validate_out, stop_animation=True)
        if self.is_gui:
            self.win_parent.win_parent.stop_animation()

        self.wipe_button.setEnabled(True)
        self.stop_button.setEnabled(False)

    def on_run(self):
        """click the Run button"""
        self.istep = 0
        self.wipe_button.setEnabled(False)
        self.stop_button.setEnabled(True)

        passed, validate_out = self.on_validate()
        if passed:
            self._make_gif(validate_out, istep=None)
        return passed

    def _make_gif(self, validate_out, istep=None, stop_animation=False):
        """interface for making the gif"""
        (icase_fringe, icase_disp, icase_vector, scale, time, fps,
         animate_in_gui, magnify, output_dir, gifbase, min_value,
         max_value) = validate_out
        fps = int(fps)

        gif_filename = None
        if not stop_animation and not animate_in_gui and gifbase is not None:
            if gifbase.lower().endswith('.gif'):
                gifbase = gifbase[:-4]
            gif_filename = os.path.join(output_dir, gifbase + '.gif')

        animate_fringe = self.checkbox_fringe.isChecked()
        animate_vector = self.checkbox_vector.isChecked()

        animate_scale = self.animate_scale_radio.isChecked()
        animate_phase = self.animate_phase_radio.isChecked()
        animate_time = self.animate_time_radio.isChecked()

        if not self.checkbox_vector.isEnabled():
            icase_vector = None

        animate_scale = False
        animate_phase = False
        animate_time = False
        if self._animate_type == 'scale':
            animate_scale = True
        elif self._animate_type == 'phase':
            animate_phase = True
        elif self._animate_type == 'time':
            animate_time = True
        else:
            raise NotImplementedError(self._animate_type)

        make_images = self.make_images_checkbox.isChecked()
        delete_images = self.delete_images_checkbox.isChecked()
        make_gif = self.make_gif_checkbox.isChecked()
        animation_profile = str(self.animation_profile_edit.currentText())

        icase_disp_start = self.icase_disp_start_edit.value()
        icase_disp_end = self.icase_disp_end_edit.value()
        icase_disp_delta = self.icase_disp_delta_edit.value()

        bool_repeat = self.repeat_checkbox.isChecked(
        )  # TODO: change this to an integer
        if bool_repeat:
            nrepeat = 0
        else:
            nrepeat = 1
        #self.out_data['is_shown'] = self.show_radio.isChecked()
        #icase = self._icase

        if self.is_gui:
            self.win_parent.win_parent.make_gif(
                gif_filename,
                scale,
                istep=istep,
                animate_scale=animate_scale,
                animate_phase=animate_phase,
                animate_time=animate_time,
                icase_fringe=icase_fringe,
                icase_disp=icase_disp,
                icase_vector=icase_vector,
                animate_fringe=animate_fringe,
                animate_vector=animate_vector,
                icase_start=icase_disp_start,
                icase_end=icase_disp_end,
                icase_delta=icase_disp_delta,
                time=time,
                animation_profile=animation_profile,
                nrepeat=nrepeat,
                fps=fps,
                magnify=magnify,
                make_images=make_images,
                delete_images=delete_images,
                make_gif=make_gif,
                stop_animation=stop_animation,
                animate_in_gui=animate_in_gui,
                min_value=min_value,
                max_value=max_value,
            )

        self.out_data['clicked_ok'] = True
        self.out_data['close'] = True

    def get_min_max(self, icase):
        if self.is_gui:
            (obj, (i, name)) = self.win_parent.win_parent.result_cases[icase]
            min_value, max_value = obj.get_min_max(i, name)
        else:
            return 0., 1.0
        return min_value, max_value

    def on_validate(self, wipe=False):
        """checks to see if the input is valid"""
        # requires no special validation
        icase_fringe, flag0 = check_int(self.icase_fringe_edit)
        icase_disp, unused_flaga = check_int(self.icase_disp_edit)
        icase_vector, unused_flagb = check_int(self.icase_vector_edit)
        #icase_disp = self._icase_disp
        #icase_vector = self._icase_vector

        scale, flag1 = check_float(self.scale_edit)
        time, flag2 = check_float(self.time_edit)
        fps, flag3 = check_float(self.fps_edit)

        min_value = max_value = None
        flag4 = flag5 = True
        if self.min_value_edit.isEnabled():
            min_value, flag4 = check_float(self.min_value_edit)
        if self.max_value_edit.isEnabled():
            max_value, flag5 = check_float(self.max_value_edit)

        if wipe:
            animate_in_gui = False
            scale = 0.
            flag1 = True
        else:
            animate_in_gui = self.animate_in_gui_checkbox.isChecked()

        if animate_in_gui or wipe:
            passed = all([flag0, flag1, flag2, flag3, flag4, flag5])
            magnify, output_dir, gifbase = None, None, None
        else:
            magnify, flag6 = check_int(self.resolution_edit)
            output_dir, flag7 = self.check_path(self.browse_folder_edit)
            gifbase, flag8 = self.check_name(self.gif_edit)
            passed = all([
                flag0, flag1, flag2, flag3, flag4, flag5, flag6, flag7, flag8
            ])
        return passed, (icase_fringe, icase_disp, icase_vector, scale, time,
                        fps, animate_in_gui, magnify, output_dir, gifbase,
                        min_value, max_value)

    @staticmethod
    def check_name(cell):
        """verifies that the data is string-able"""
        cell_value = cell.text()
        try:
            text = str(cell_value).strip()
        except UnicodeEncodeError:
            cell.setStyleSheet("QLineEdit{background: red;}")
            return None, False

        if len(text):
            cell.setStyleSheet("QLineEdit{background: white;}")
            return text, True
        else:
            cell.setStyleSheet("QLineEdit{background: red;}")
            return None, False

    def check_path(self, cell):
        """verifies that the path exists"""
        text, passed = self.check_name(cell)
        if not passed:
            return None, False

        if os.path.exists(text):
            cell.setStyleSheet("QLineEdit{background: white;}")
            return text, True
        else:
            cell.setStyleSheet("QLineEdit{background: red;}")
            return None, False

    #def on_ok(self):
    #"""click the OK button"""
    #passed = self.on_apply()
    #if passed:
    #self.win_parent._animation_window_shown = False
    #self.close()
    ##self.destroy()

    def on_cancel(self):
        """click the Cancel button"""
        self.on_stop()
        self.out_data['close'] = True
        self.close()
Пример #3
0
class EditGeometryProperties(PyDialog):
    force = True
    def __init__(self, data, win_parent=None):
        """
        +------------------+
        | Edit Actor Props |
        +------------------+------+
        |  Name1                  |
        |  Name2                  |
        |  Name3                  |
        |  Name4                  |
        |                         |
        |  Active_Name    main    |
        |  Color          box     |
        |  Line_Width     2       |
        |  Point_Size     2       |
        |  Bar_Scale      2       |
        |  Opacity        0.5     |
        |  Show/Hide              |
        |                         |
        |    Apply   OK   Cancel  |
        +-------------------------+
        """
        PyDialog.__init__(self, data, win_parent)
        self.set_font_size(data['font_size'])
        del self.out_data['font_size']
        self.setWindowTitle('Edit Geometry Properties')
        self.allow_update = True

        #default
        #self.win_parent = win_parent
        #self.out_data = data

        self.keys = sorted(data.keys())
        self.keys = data.keys()
        keys = self.keys
        #nrows = len(keys)
        self.active_key = 'main'

        items = list(keys)

        header_labels = ['Groups']
        table_model = Model(items, header_labels, self)
        view = SingleChoiceQTableView(self) #Call your custom QTableView here
        view.setModel(table_model)
        #if qt_version == 4:
            #view.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)

        self.table = view
        #self.opacity_edit.valueChanged.connect(self.on_opacity)
        #mListWidget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(itemClicked(QListWidgetItem*)));
        #self.table.itemClicked.connect(self.table.mouseDoubleClickEvent)

        actor_obj = data[self.active_key]
        name = actor_obj.name
        line_width = actor_obj.line_width
        point_size = actor_obj.point_size
        bar_scale = actor_obj.bar_scale
        opacity = actor_obj.opacity
        color = actor_obj.color
        show = actor_obj.is_visible
        self.representation = actor_obj.representation

        # table
        header = self.table.horizontalHeader()
        header.setStretchLastSection(True)

        self._default_is_apply = False
        self.name = QLabel("Name:")
        self.name_edit = QLineEdit(str(name))
        self.name_edit.setDisabled(True)

        self.color = QLabel("Color:")
        self.color_edit = QPushButton()
        #self.color_edit.setFlat(True)

        color = self.out_data[self.active_key].color
        qcolor = QtGui.QColor()
        qcolor.setRgb(*color)
        #print('color =%s' % str(color))
        palette = QtGui.QPalette(self.color_edit.palette()) # make a copy of the palette
        #palette.setColor(QtGui.QPalette.Active, QtGui.QPalette.Base, \
                         #qcolor)
        palette.setColor(QtGui.QPalette.Background, QtGui.QColor('blue'))  # ButtonText
        self.color_edit.setPalette(palette)

        self.color_edit.setStyleSheet("QPushButton {"
                                      "background-color: rgb(%s, %s, %s);" % tuple(color) +
                                      #"border:1px solid rgb(255, 170, 255); "
                                      "}")

        self.use_slider = True
        self.is_opacity_edit_active = False
        self.is_opacity_edit_slider_active = False

        self.is_line_width_edit_active = False
        self.is_line_width_edit_slider_active = False

        self.is_point_size_edit_active = False
        self.is_point_size_edit_slider_active = False

        self.is_bar_scale_edit_active = False
        self.is_bar_scale_edit_slider_active = False

        self.opacity = QLabel("Opacity:")
        self.opacity_edit = QDoubleSpinBox(self)
        self.opacity_edit.setRange(0.1, 1.0)
        self.opacity_edit.setDecimals(1)
        self.opacity_edit.setSingleStep(0.1)
        self.opacity_edit.setValue(opacity)
        if self.use_slider:
            self.opacity_slider_edit = QSlider(QtCore.Qt.Horizontal)
            self.opacity_slider_edit.setRange(1, 10)
            self.opacity_slider_edit.setValue(opacity * 10)
            self.opacity_slider_edit.setTickInterval(1)
            self.opacity_slider_edit.setTickPosition(QSlider.TicksBelow)

        self.line_width = QLabel("Line Width:")
        self.line_width_edit = QSpinBox(self)
        self.line_width_edit.setRange(1, MAX_LINE_WIDTH)
        self.line_width_edit.setSingleStep(1)
        self.line_width_edit.setValue(line_width)
        if self.use_slider:
            self.line_width_slider_edit = QSlider(QtCore.Qt.Horizontal)
            self.line_width_slider_edit.setRange(1, MAX_LINE_WIDTH)
            self.line_width_slider_edit.setValue(line_width)
            self.line_width_slider_edit.setTickInterval(1)
            self.line_width_slider_edit.setTickPosition(QSlider.TicksBelow)

        if self.representation in ['point', 'surface']:
            self.line_width.setEnabled(False)
            self.line_width_edit.setEnabled(False)
            self.line_width_slider_edit.setEnabled(False)

        self.point_size = QLabel("Point Size:")
        self.point_size_edit = QSpinBox(self)
        self.point_size_edit.setRange(1, MAX_POINT_SIZE)
        self.point_size_edit.setSingleStep(1)
        self.point_size_edit.setValue(point_size)
        self.point_size.setVisible(False)
        self.point_size_edit.setVisible(False)
        if self.use_slider:
            self.point_size_slider_edit = QSlider(QtCore.Qt.Horizontal)
            self.point_size_slider_edit.setRange(1, MAX_POINT_SIZE)
            self.point_size_slider_edit.setValue(point_size)
            self.point_size_slider_edit.setTickInterval(1)
            self.point_size_slider_edit.setTickPosition(QSlider.TicksBelow)
            self.point_size_slider_edit.setVisible(False)

        if self.representation in ['wire', 'surface']:
            self.point_size.setEnabled(False)
            self.point_size_edit.setEnabled(False)
            if self.use_slider:
                self.point_size_slider_edit.setEnabled(False)

        self.bar_scale = QLabel("Bar Scale:")
        self.bar_scale_edit = QDoubleSpinBox(self)
        #self.bar_scale_edit.setRange(0.01, 1.0)  # was 0.1
        #self.bar_scale_edit.setRange(0.05, 5.0)
        self.bar_scale_edit.setDecimals(1)
        #self.bar_scale_edit.setSingleStep(bar_scale / 10.)
        self.bar_scale_edit.setSingleStep(0.1)
        self.bar_scale_edit.setValue(bar_scale)

        #if self.use_slider:
            #self.bar_scale_slider_edit = QSlider(QtCore.Qt.Horizontal)
            #self.bar_scale_slider_edit.setRange(1, 100)  # 1/0.05 = 100/5.0
            #self.bar_scale_slider_edit.setValue(opacity * 0.05)
            #self.bar_scale_slider_edit.setTickInterval(10)
            #self.bar_scale_slider_edit.setTickPosition(QSlider.TicksBelow)

        if self.representation != 'bar':
            self.bar_scale.setEnabled(False)
            self.bar_scale_edit.setEnabled(False)
            self.bar_scale.setVisible(False)
            self.bar_scale_edit.setVisible(False)
            #self.bar_scale_slider_edit.setVisible(False)
            #self.bar_scale_slider_edit.setEnabled(False)

        # show/hide
        self.checkbox_show = QCheckBox("Show")
        self.checkbox_hide = QCheckBox("Hide")
        self.checkbox_show.setChecked(show)
        self.checkbox_hide.setChecked(not show)

        if name == 'main':
            self.color.setEnabled(False)
            self.color_edit.setEnabled(False)
            self.point_size.setEnabled(False)
            self.point_size_edit.setEnabled(False)
            if self.use_slider:
                self.point_size_slider_edit.setEnabled(False)

        self.cancel_button = QPushButton("Close")

        self.create_layout()
        self.set_connections()

    def on_delete(self, irow):
        """deletes an actor based on the row number"""
        if irow == 0:  # main
            return
        nkeys = len(self.keys)
        if nkeys in [0, 1]:
            return
        name = self.keys[irow]
        nrows = nkeys - 1
        self.keys.pop(irow)

        header_labels = ['Groups']
        table_model = Model(self.keys, header_labels, self)
        self.table.setModel(table_model)

        if len(self.keys) == 0:
            self.update()
            self.set_as_null()
            return
        if irow == nrows:
            irow -= 1
        new_name = self.keys[irow]
        self.update_active_name(new_name)
        if self.is_gui:
            self.win_parent.delete_actor(name)

    def set_as_null(self):
        """sets the null case"""
        self.name.setVisible(False)
        self.name_edit.setVisible(False)
        self.color.setVisible(False)
        self.color_edit.setVisible(False)
        self.line_width.setVisible(False)
        self.line_width_edit.setVisible(False)
        self.point_size.setVisible(False)
        self.point_size_edit.setVisible(False)
        self.bar_scale.setVisible(False)
        self.bar_scale_edit.setVisible(False)
        self.opacity.setVisible(False)
        self.opacity_edit.setVisible(False)
        self.opacity_slider_edit.setVisible(False)
        self.point_size_slider_edit.setVisible(False)
        self.line_width_slider_edit.setVisible(False)
        self.checkbox_show.setVisible(False)
        self.checkbox_hide.setVisible(False)

    def on_update_geometry_properties_window(self, data):
        """Not Implemented"""
        return
        #new_keys = sorted(data.keys())
        #if self.active_key in new_keys:
            #i = new_keys.index(self.active_key)
        #else:
            #i = 0
        #self.table.update_data(new_keys)
        #self.out_data = data
        #self.update_active_key(i)

    def update_active_key(self, index):
        """
        Parameters
        ----------
        index : PyQt4.QtCore.QModelIndex
            the index of the list

        Internal Parameters
        -------------------
        name : str
            the name of obj
        obj : CoordProperties, AltGeometry
            the storage object for things like line_width, point_size, etc.
        """
        name = str(index.data())
            #print('name = %r' % name)
        #i = self.keys.index(self.active_key)
        self.update_active_name(name)

    def update_active_name(self, name):
        self.active_key = name
        self.name_edit.setText(name)
        obj = self.out_data[name]
        if isinstance(obj, CoordProperties):
            opacity = 1.0
            representation = 'coord'
            is_visible = obj.is_visible
        elif isinstance(obj, AltGeometry):
            line_width = obj.line_width
            point_size = obj.point_size
            bar_scale = obj.bar_scale
            opacity = obj.opacity
            representation = obj.representation
            is_visible = obj.is_visible

            self.color_edit.setStyleSheet("QPushButton {"
                                          "background-color: rgb(%s, %s, %s);" % tuple(obj.color) +
                                          #"border:1px solid rgb(255, 170, 255); "
                                          "}")
            self.allow_update = False
            self.force = False
            self.line_width_edit.setValue(line_width)
            self.point_size_edit.setValue(point_size)
            self.bar_scale_edit.setValue(bar_scale)
            self.force = True
            self.allow_update = True
        else:
            raise NotImplementedError(obj)

        #allowed_representations = [
            #'main', 'surface', 'coord', 'toggle', 'wire', 'point', 'bar']

        if self.representation != representation:
            self.representation = representation
            #if representation not in allowed_representations:
                #msg = 'name=%r; representation=%r is invalid\nrepresentations=%r' % (
                    #name, representation, allowed_representations)

            if self.representation == 'coord':
                self.color.setVisible(False)
                self.color_edit.setVisible(False)
                self.line_width.setVisible(False)
                self.line_width_edit.setVisible(False)
                self.point_size.setVisible(False)
                self.point_size_edit.setVisible(False)
                self.bar_scale.setVisible(False)
                self.bar_scale_edit.setVisible(False)
                self.opacity.setVisible(False)
                self.opacity_edit.setVisible(False)
                if self.use_slider:
                    self.opacity_slider_edit.setVisible(False)
                    self.point_size_slider_edit.setVisible(False)
                    self.line_width_slider_edit.setVisible(False)
                    #self.bar_scale_slider_edit.setVisible(False)
            else:
                self.color.setVisible(True)
                self.color_edit.setVisible(True)
                self.line_width.setVisible(True)
                self.line_width_edit.setVisible(True)
                self.point_size.setVisible(True)
                self.point_size_edit.setVisible(True)
                self.bar_scale.setVisible(True)
                #self.bar_scale_edit.setVisible(True)
                self.opacity.setVisible(True)
                self.opacity_edit.setVisible(True)
                if self.use_slider:
                    self.opacity_slider_edit.setVisible(True)
                    self.line_width_slider_edit.setVisible(True)
                    self.point_size_slider_edit.setVisible(True)
                    #self.bar_scale_slider_edit.setVisible(True)

                if name == 'main':
                    self.color.setEnabled(False)
                    self.color_edit.setEnabled(False)
                    self.point_size.setEnabled(False)
                    self.point_size_edit.setEnabled(False)
                    self.line_width.setEnabled(True)
                    self.line_width_edit.setEnabled(True)
                    self.bar_scale.setEnabled(False)
                    self.bar_scale_edit.setEnabled(False)
                    show_points = False
                    show_line_width = True
                    show_bar_scale = False
                    if self.use_slider:
                        self.line_width_slider_edit.setEnabled(True)
                        #self.bar_scale_slider_edit.setVisible(False)
                else:
                    self.color.setEnabled(True)
                    self.color_edit.setEnabled(True)

                    show_points = False
                    if self.representation in ['point', 'wire+point']:
                        show_points = True

                    show_line_width = False
                    if self.representation in ['wire', 'wire+point', 'bar', 'toggle']:
                        show_line_width = True

                    if representation == 'bar':
                        show_bar_scale = True
                    else:
                        show_bar_scale = False
                    #self.bar_scale_button.setVisible(show_bar_scale)
                    #self.bar_scale_edit.setSingleStep(bar_scale / 10.)
                    #if self.use_slider:
                        #self.bar_scale_slider_edit.setEnabled(False)

                self.point_size.setEnabled(show_points)
                self.point_size_edit.setEnabled(show_points)
                self.point_size.setVisible(show_points)
                self.point_size_edit.setVisible(show_points)

                self.line_width.setEnabled(show_line_width)
                self.line_width_edit.setEnabled(show_line_width)

                self.bar_scale.setEnabled(show_bar_scale)
                self.bar_scale_edit.setEnabled(show_bar_scale)
                self.bar_scale.setVisible(show_bar_scale)
                self.bar_scale_edit.setVisible(show_bar_scale)
                if self.use_slider:
                    self.point_size_slider_edit.setEnabled(show_points)
                    self.point_size_slider_edit.setVisible(show_points)
                    self.line_width_slider_edit.setEnabled(show_line_width)


            #if self.representation in ['wire', 'surface']:

        self.opacity_edit.setValue(opacity)
        #if self.use_slider:
            #self.opacity_slider_edit.setValue(opacity*10)
        self.checkbox_show.setChecked(is_visible)
        self.checkbox_hide.setChecked(not is_visible)

        passed = self.on_validate()
        #self.on_apply(force=True)  # TODO: was turned on...do I want this???
        #self.allow_update = True

    def create_layout(self):
        ok_cancel_box = QHBoxLayout()
        ok_cancel_box.addWidget(self.cancel_button)

        grid = QGridLayout()

        irow = 0
        grid.addWidget(self.name, irow, 0)
        grid.addWidget(self.name_edit, irow, 1)
        irow += 1

        grid.addWidget(self.color, irow, 0)
        grid.addWidget(self.color_edit, irow, 1)
        irow += 1

        grid.addWidget(self.opacity, irow, 0)
        if self.use_slider:
            grid.addWidget(self.opacity_edit, irow, 2)
            grid.addWidget(self.opacity_slider_edit, irow, 1)
        else:
            grid.addWidget(self.opacity_edit, irow, 1)
        irow += 1

        grid.addWidget(self.line_width, irow, 0)
        if self.use_slider:
            grid.addWidget(self.line_width_edit, irow, 2)
            grid.addWidget(self.line_width_slider_edit, irow, 1)
        else:
            grid.addWidget(self.line_width_edit, irow, 1)
        irow += 1

        grid.addWidget(self.point_size, irow, 0)
        if self.use_slider:
            grid.addWidget(self.point_size_edit, irow, 2)
            grid.addWidget(self.point_size_slider_edit, irow, 1)
        else:
            grid.addWidget(self.point_size_edit, irow, 1)
        irow += 1

        grid.addWidget(self.bar_scale, irow, 0)
        if self.use_slider and 0:
            grid.addWidget(self.bar_scale_edit, irow, 2)
            grid.addWidget(self.bar_scale_slider_edit, irow, 1)
        else:
            grid.addWidget(self.bar_scale_edit, irow, 1)
        irow += 1

        checkboxs = QButtonGroup(self)
        checkboxs.addButton(self.checkbox_show)
        checkboxs.addButton(self.checkbox_hide)

        vbox = QVBoxLayout()
        vbox.addWidget(self.table, stretch=1)
        vbox.addLayout(grid)

        vbox1 = QVBoxLayout()
        vbox1.addWidget(self.checkbox_show)
        vbox1.addWidget(self.checkbox_hide)
        vbox.addLayout(vbox1)

        vbox.addStretch()
        #vbox.addWidget(self.check_apply)
        vbox.addLayout(ok_cancel_box)
        self.setLayout(vbox)

    def set_connections(self):
        self.opacity_edit.valueChanged.connect(self.on_opacity)
        self.line_width_edit.valueChanged.connect(self.on_line_width)
        self.point_size_edit.valueChanged.connect(self.on_point_size)
        self.bar_scale_edit.valueChanged.connect(self.on_bar_scale)

        if self.use_slider:
            self.opacity_slider_edit.valueChanged.connect(self.on_opacity_slider)
            self.line_width_slider_edit.valueChanged.connect(self.on_line_width_slider)
            self.point_size_slider_edit.valueChanged.connect(self.on_point_size_slider)
            #self.bar_scale_slider_edit.valueChanged.connect(self.on_bar_scale_slider)

        # self.connect(self.opacity_edit, QtCore.SIGNAL('clicked()'), self.on_opacity)
        # self.connect(self.line_width, QtCore.SIGNAL('clicked()'), self.on_line_width)
        # self.connect(self.point_size, QtCore.SIGNAL('clicked()'), self.on_point_size)

        if qt_version == 4:
            self.connect(self, QtCore.SIGNAL('triggered()'), self.closeEvent)
        self.color_edit.clicked.connect(self.on_color)
        self.checkbox_show.clicked.connect(self.on_show)
        self.checkbox_hide.clicked.connect(self.on_hide)
        self.cancel_button.clicked.connect(self.on_cancel)
        # closeEvent

    def keyPressEvent(self, event):
        if event.key() == QtCore.Qt.Key_Escape:
            self.close()

    def closeEvent(self, event):
        self.on_cancel()

    def on_color(self):
        """called when the user clicks on the color box"""
        name = self.active_key
        obj = self.out_data[name]
        rgb_color_ints = obj.color

        msg = name
        col = QColorDialog.getColor(QtGui.QColor(*rgb_color_ints), self, "Choose a %s color" % msg)
        if col.isValid():
            color_float = col.getRgbF()[:3]
            obj.color = color_float
            color_int = [int(colori * 255) for colori in color_float]
            self.color_edit.setStyleSheet("QPushButton {"
                                          "background-color: rgb(%s, %s, %s);" % tuple(color_int) +
                                          #"border:1px solid rgb(255, 170, 255); "
                                          "}")
        self.on_apply(force=self.force)
        #print(self.allow_update)

    def on_show(self):
        """shows the actor"""
        name = self.active_key
        is_checked = self.checkbox_show.isChecked()
        self.out_data[name].is_visible = is_checked
        self.on_apply(force=self.force)

    def on_hide(self):
        """hides the actor"""
        name = self.active_key
        is_checked = self.checkbox_hide.isChecked()
        self.out_data[name].is_visible = not is_checked
        self.on_apply(force=self.force)

    def on_line_width(self):
        """increases/decreases the wireframe (for solid bodies) or the bar thickness"""
        self.is_line_width_edit_active = True
        name = self.active_key
        line_width = self.line_width_edit.value()
        self.out_data[name].line_width = line_width
        if not self.is_line_width_edit_slider_active:
            if self.use_slider:
                self.line_width_slider_edit.setValue(line_width)
            self.is_line_width_edit_active = False
        self.on_apply(force=self.force)
        self.is_line_width_edit_active = False

    def on_line_width_slider(self):
        """increases/decreases the wireframe (for solid bodies) or the bar thickness"""
        self.is_line_width_edit_slider_active = True
        #name = self.active_key
        line_width = self.line_width_slider_edit.value()
        if not self.is_line_width_edit_active:
            self.line_width_edit.setValue(line_width)
        self.is_line_width_edit_slider_active = False

    def on_point_size(self):
        """increases/decreases the point size"""
        self.is_point_size_edit_active = True
        name = self.active_key
        point_size = self.point_size_edit.value()
        self.out_data[name].point_size = point_size
        if not self.is_point_size_edit_slider_active:
            if self.use_slider:
                self.point_size_slider_edit.setValue(point_size)
            self.is_point_size_edit_active = False
        self.on_apply(force=self.force)
        self.is_point_size_edit_active = False

    def on_point_size_slider(self):
        """increases/decreases the point size"""
        self.is_point_size_edit_slider_active = True
        #name = self.active_key
        point_size = self.point_size_slider_edit.value()
        if not self.is_point_size_edit_active:
            self.point_size_edit.setValue(point_size)
        self.is_point_size_edit_slider_active = False

    def on_bar_scale(self):
        """
        Vectors start at some xyz coordinate and can increase in length.
        Increases/decreases the length scale factor.
        """
        self.is_bar_scale_edit_active = True
        name = self.active_key
        float_bar_scale = self.bar_scale_edit.value()
        self.out_data[name].bar_scale = float_bar_scale
        if not self.is_bar_scale_edit_slider_active:
            #int_bar_scale = int(round(float_bar_scale * 20, 0))
            #if self.use_slider:
                #self.bar_scale_slider_edit.setValue(int_bar_scale)
            self.is_bar_scale_edit_active = False
        self.on_apply(force=self.force)
        self.is_bar_scale_edit_active = False

    def on_bar_scale_slider(self):
        """
        Vectors start at some xyz coordinate and can increase in length.
        Increases/decreases the length scale factor.
        """
        self.is_bar_scale_edit_slider_active = True
        #name = self.active_key
        int_bar_scale = self.bar_scale_slider_edit.value()
        if not self.is_bar_scale_edit_active:
            float_bar_scale = int_bar_scale / 20.
            self.bar_scale_edit.setValue(float_bar_scale)
        self.is_bar_scale_edit_slider_active = False

    def on_opacity(self):
        """
        opacity = 1.0 (solid/opaque)
        opacity = 0.0 (invisible)
        """
        self.is_opacity_edit_active = True
        name = self.active_key
        float_opacity = self.opacity_edit.value()
        self.out_data[name].opacity = float_opacity
        if not self.is_opacity_edit_slider_active:
            int_opacity = int(round(float_opacity * 10, 0))
            if self.use_slider:
                self.opacity_slider_edit.setValue(int_opacity)
            self.is_opacity_edit_active = False
        self.on_apply(force=self.force)
        self.is_opacity_edit_active = False

    def on_opacity_slider(self):
        """
        opacity = 1.0 (solid/opaque)
        opacity = 0.0 (invisible)
        """
        self.is_opacity_edit_slider_active = True
        #name = self.active_key
        int_opacity = self.opacity_slider_edit.value()
        if not self.is_opacity_edit_active:
            float_opacity = int_opacity / 10.
            self.opacity_edit.setValue(float_opacity)
        self.is_opacity_edit_slider_active = False

    def on_validate(self):
        self.out_data['clicked_ok'] = True
        self.out_data['clicked_cancel'] = False

        old_obj = self.out_data[self.active_key]
        old_obj.line_width = self.line_width_edit.value()
        old_obj.point_size = self.point_size_edit.value()
        old_obj.bar_scale = self.bar_scale_edit.value()
        old_obj.opacity = self.opacity_edit.value()
        #old_obj.color = self.color_edit
        old_obj.is_visible = self.checkbox_show.isChecked()
        return True
        #name_value, flag0 = self.check_name(self.name_edit)
        #ox_value, flag1 = self.check_float(self.transparency_edit)
        #if flag0 and flag1:
            #self.out_data['clicked_ok'] = True
            #return True
        #return False

    @property
    def is_gui(self):
        return hasattr(self.win_parent, 'on_update_geometry_properties')

    def on_apply(self, force=False):
        passed = self.on_validate()
        #print("passed=%s force=%s allow=%s" % (passed, force, self.allow_update))
        if (passed or force) and self.allow_update and self.is_gui:
            #print('obj = %s' % self.out_data[self.active_key])
            self.win_parent.on_update_geometry_properties(self.out_data, name=self.active_key)
        return passed

    def on_cancel(self):
        passed = self.on_apply(force=True)
        if passed:
            self.close()
Пример #4
0
class ItemPropertyDialog(QDialog):
    def __init__(self, jsonitem: JsonItem, parent=None):
        super().__init__(parent)

        assert jsonitem is not None
        self.item = jsonitem

        # name
        self.nameLabel = QLabel(self.tr("name:"))
        self.nameLineEdit = QLineEdit(self.item.name or "")
        self.nameLabel.setBuddy(self.nameLineEdit)

        # unit
        self.unitLabel = QLabel(self.tr("unit:"))
        self.unitLineEdit = QLineEdit(self.item.unit or "")
        self.unitLabel.setBuddy(self.unitLineEdit)

        # type
        self.typeLabel = QLabel(self.tr("type:"))
        self.typeComboBox = QComboBox()
        self.typeComboBox.addItems([k for k, t in VALUETYPES])
        self.typeComboBox.setCurrentIndex(
            self.typeComboBox.findText(self.item.type))
        self.typeComboBox.currentIndexChanged.connect(self.data_changed)
        self.typeLabel.setBuddy(self.typeComboBox)

        # decimals
        self.decimalsLabel = QLabel(self.tr("decimals:"))
        self.decimalsSpinBox = QSpinBox()
        self.decimalsSpinBox.setRange(0, 10)
        self.decimalsSpinBox.setValue(self.item.decimals or 0)
        self.decimalsLabel.setBuddy(self.decimalsSpinBox)
        self.decimalsSpinBox.valueChanged.connect(self.data_changed)
        self.last_decimals = self.decimalsSpinBox.value()

        # min
        self.minLabel = QLabel(self.tr("minimum:"))
        self.minSpinBox =QDoubleSpinBox()
        self.minSpinBox.setRange(-sys.maxsize, sys.maxsize)
        self.minLabel.setBuddy(self.minSpinBox)
        self.minSpinBox.setValue(self.item.min or 0.0)

        # max
        self.maxLabel = QLabel(self.tr("maximum:"))
        self.maxSpinBox = QDoubleSpinBox()
        self.maxSpinBox.setRange(-sys.maxsize, sys.maxsize)
        self.maxSpinBox.setValue(self.item.max or 100.0)

        # numerator
        self.scalefactorLabel = QLabel(self.tr("scalefactor:"))
        self.scalefactorSpinBox = NoZerosDoubleSpinBox()
        self.scalefactorSpinBox.setRange(-sys.maxsize, sys.maxsize)
        self.scalefactorSpinBox.setButtonSymbols(QSpinBox.NoButtons)
        self.scalefactorSpinBox.setDecimals(10)
        self.scalefactorSpinBox.setValue(self.item.scalefactor or 1)
        self.scalefactorLabel.setBuddy(self.scalefactorSpinBox)

        # readonly
        self.readonlyCheckBox = QCheckBox(self.tr("readonly"))
        self.readonlyCheckBox.setChecked(Qt.Checked if self.item.readonly
                                         else Qt.Unchecked)
        self.readonlyCheckBox.stateChanged.connect(self.data_changed)

        # buttons
        self.buttons = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Cancel,
            Qt.Horizontal
        )
        self.buttons.accepted.connect(self.accept)
        self.buttons.rejected.connect(self.reject)

        # layout
        layout = QGridLayout()
        layout.addWidget(self.nameLabel, 0, 0)
        layout.addWidget(self.nameLineEdit, 0, 1)
        layout.addWidget(self.unitLabel, 1, 0)
        layout.addWidget(self.unitLineEdit, 1, 1)
        layout.addWidget(self.typeLabel, 2, 0)
        layout.addWidget(self.typeComboBox, 2, 1)
        layout.addWidget(self.decimalsLabel, 3, 0)
        layout.addWidget(self.decimalsSpinBox, 3, 1)
        layout.addWidget(self.minLabel, 4, 0)
        layout.addWidget(self.minSpinBox, 4, 1)
        layout.addWidget(self.maxLabel, 5, 0)
        layout.addWidget(self.maxSpinBox, 5, 1)
        layout.addWidget(self.scalefactorLabel, 6, 0)
        layout.addWidget(self.scalefactorSpinBox, 6, 1)
        layout.addWidget(self.readonlyCheckBox, 7, 0, 1, 2)
        layout.addWidget(self.buttons, 8, 0, 1, 2)
        self.setLayout(layout)

        # misc
        self.setWindowTitle("Edit JsonItem '%s'" % self.item.key)
        self.data_changed()

    def accept(self):
        self.item.name = self.nameLineEdit.text()
        self.item.unit = self.unitLineEdit.text()
        self.item.decimals = self.decimalsSpinBox.value()
        self.item.min = self.minSpinBox.value()
        self.item.max = self.maxSpinBox.value()
        self.item.scalefactor = self.scalefactorSpinBox.value()
        self.item.readonly = self.readonlyCheckBox.checkState() == Qt.Checked
        self.item.type = self.typeComboBox.currentText()
        return super().accept()

    def data_changed(self):
        type_numeric = self.typeComboBox.currentText() not in ('bool', 'str')
        type_int = self.typeComboBox.currentText() == 'int'
        readonly  = self.readonlyCheckBox.checkState() == Qt.Checked

        # not used properties invisible
        self.decimalsSpinBox.setVisible(type_numeric)
        self.decimalsLabel.setVisible(type_numeric)

        self.scalefactorSpinBox.setVisible(type_numeric)
        self.scalefactorLabel.setVisible(type_numeric)

        self.minSpinBox.setVisible(type_numeric and not readonly)
        self.minLabel.setVisible(type_numeric and not readonly)

        self.maxSpinBox.setVisible(type_numeric and not readonly)
        self.maxLabel.setVisible(type_numeric and not readonly)

        self.unitLineEdit.setVisible(type_numeric)
        self.unitLabel.setVisible(type_numeric)

        # no decimals for int
        self.minSpinBox.setDecimals(self.decimalsSpinBox.value())
        self.maxSpinBox.setDecimals(self.decimalsSpinBox.value())

        if type_int:
            delta = self.decimalsSpinBox.value() - self.last_decimals
            self.scalefactorSpinBox.setValue(
                self.scalefactorSpinBox.value() / 10**delta
            )

        self.last_decimals = self.decimalsSpinBox.value()
Пример #5
0
class TimeChartDisplay(Display):
    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))

    def ui_filepath(self):
        """
        The path to the UI file created by Qt Designer, if applicable.
        """
        # No UI file is being used
        return None

    def ui_filename(self):
        """
        The name the UI file created by Qt Designer, if applicable.
        """
        # No UI file is being used
        return None

    def setup_ui(self):
        """
        Initialize the widgets and layouts.
        """
        self.setLayout(self.main_layout)

        self.pv_layout.addWidget(self.pv_protocol_cmb)
        self.pv_layout.addWidget(self.pv_name_line_edt)
        self.pv_layout.addWidget(self.pv_connect_push_btn)
        self.pv_add_panel.setLayout(self.pv_layout)
        QTimer.singleShot(0, self.pv_name_line_edt.setFocus)

        self.curve_settings_tab.setLayout(self.curves_tab_layout)

        self.chart_settings_tab.setLayout(self.chart_settings_layout)
        self.setup_chart_settings_layout()

        self.data_settings_tab.setLayout(self.data_tab_layout)
        self.setup_data_tab_layout()

        self.tab_panel.addTab(self.curve_settings_tab, "Curves")
        self.tab_panel.addTab(self.data_settings_tab, "Data")
        self.tab_panel.addTab(self.chart_settings_tab, "Graph")

        self.crosshair_settings_layout.addWidget(self.enable_crosshair_chk)
        self.crosshair_settings_layout.addWidget(self.crosshair_coord_lbl)

        self.zoom_x_layout.addWidget(self.zoom_in_x_btn)
        self.zoom_x_layout.addWidget(self.zoom_out_x_btn)

        self.zoom_y_layout.addWidget(self.zoom_in_y_btn)
        self.zoom_y_layout.addWidget(self.zoom_out_y_btn)

        self.view_all_reset_chart_layout.addWidget(self.reset_chart_btn)
        self.view_all_reset_chart_layout.addWidget(self.view_all_btn)

        self.pause_chart_layout.addWidget(self.pause_chart_btn)

        self.import_export_data_layout.addWidget(self.import_data_btn)
        self.import_export_data_layout.addWidget(self.export_data_btn)

        self.chart_control_layout.addLayout(self.zoom_x_layout)
        self.chart_control_layout.addLayout(self.zoom_y_layout)
        self.chart_control_layout.addLayout(self.view_all_reset_chart_layout)
        self.chart_control_layout.addLayout(self.pause_chart_layout)
        self.chart_control_layout.addLayout(self.crosshair_settings_layout)
        self.chart_control_layout.addLayout(self.import_export_data_layout)
        self.chart_control_layout.insertSpacing(5, 30)

        self.chart_layout.addWidget(self.chart)
        self.chart_layout.addLayout(self.chart_control_layout)

        self.chart_panel.setLayout(self.chart_layout)

        self.splitter.addWidget(self.chart_panel)
        self.splitter.addWidget(self.tab_panel)
        self.splitter.setSizes([1, 0])

        self.splitter.setHandleWidth(10)
        self.splitter.setStretchFactor(0, 0)
        self.splitter.setStretchFactor(1, 1)

        self.charting_layout.addWidget(self.splitter)

        self.body_layout.addWidget(self.pv_add_panel)
        self.body_layout.addLayout(self.charting_layout)
        self.body_layout.setSpacing(0)
        self.body_layout.setContentsMargins(0, 0, 0, 0)
        self.main_layout.addLayout(self.body_layout)

        self.enable_chart_control_buttons(False)

        handle = self.splitter.handle(1)
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        button = QToolButton(handle)
        button.setArrowType(Qt.LeftArrow)
        button.clicked.connect(lambda: self.handle_splitter_button(True))
        layout.addWidget(button)
        button = QToolButton(handle)
        button.setArrowType(Qt.RightArrow)
        button.clicked.connect(lambda: self.handle_splitter_button(False))
        layout.addWidget(button)
        handle.setLayout(layout)

    def handle_splitter_button(self, left=True):
        if left:
            self.splitter.setSizes([1, 1])
        else:
            self.splitter.setSizes([1, 0])

    def change_legend_font(self, font):
        if font is None:
            return
        self.legend_font = font
        items = self.chart.plotItem.legend.items
        for i in items:
            i[1].item.setFont(font)
            i[1].resizeEvent(None)
            i[1].updateGeometry()

    def change_title_font(self, font):
        current_text = self.chart.plotItem.titleLabel.text
        args = {
            "family": font.family,
            "size": "{}pt".format(font.pointSize()),
            "bold": font.bold(),
            "italic": font.italic(),
        }
        self.chart.plotItem.titleLabel.setText(current_text, **args)

    def handle_chart_font_changed(self, target):
        if target not in ("title", "legend"):
            return

        dialog = QFontDialog(self)
        dialog.setOption(QFontDialog.DontUseNativeDialog, True)

        if target == "title":
            dialog.fontSelected.connect(self.change_title_font)
        else:
            dialog.fontSelected.connect(self.change_legend_font)

        dialog.open()

    def setup_data_tab_layout(self):
        self.chart_sync_mode_sync_radio.toggled.connect(
            partial(self.handle_sync_mode_radio_toggle,
                    self.chart_sync_mode_sync_radio))
        self.chart_sync_mode_async_radio.toggled.connect(
            partial(self.handle_sync_mode_radio_toggle,
                    self.chart_sync_mode_async_radio))

        self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_sync_radio)
        self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_async_radio)
        self.chart_sync_mode_grpbx.setLayout(self.chart_sync_mode_layout)

        self.data_tab_layout.addWidget(self.chart_sync_mode_grpbx)

        self.chart_limit_time_span_layout.addWidget(
            self.chart_limit_time_span_lbl)
        self.chart_limit_time_span_layout.addWidget(
            self.chart_limit_time_span_hours_spin_box)
        self.chart_limit_time_span_layout.addWidget(
            self.chart_limit_time_span_minutes_spin_box)
        self.chart_limit_time_span_layout.addWidget(
            self.chart_limit_time_span_seconds_spin_box)
        self.chart_limit_time_span_layout.addWidget(
            self.chart_limit_time_span_activate_btn)

        self.chart_limit_time_span_lbl.hide()
        self.chart_limit_time_span_hours_spin_box.hide()
        self.chart_limit_time_span_minutes_spin_box.hide()
        self.chart_limit_time_span_seconds_spin_box.hide()
        self.chart_limit_time_span_activate_btn.hide()

        self.chart_limit_time_span_hours_spin_box.valueChanged.connect(
            self.handle_time_span_changed)
        self.chart_limit_time_span_minutes_spin_box.valueChanged.connect(
            self.handle_time_span_changed)
        self.chart_limit_time_span_seconds_spin_box.valueChanged.connect(
            self.handle_time_span_changed)

        self.chart_limit_time_span_chk.clicked.connect(
            self.handle_limit_time_span_checkbox_clicked)
        self.chart_limit_time_span_activate_btn.clicked.connect(
            self.handle_chart_limit_time_span_activate_btn_clicked)

        self.chart_interval_layout.addRow(self.chart_redraw_rate_lbl,
                                          self.chart_redraw_rate_spin)
        self.chart_interval_layout.addRow(
            self.chart_data_sampling_rate_lbl,
            self.chart_data_async_sampling_rate_spin)
        self.graph_drawing_settings_layout.addLayout(
            self.chart_interval_layout)

        self.graph_drawing_settings_layout.addWidget(
            self.chart_limit_time_span_chk)
        self.graph_drawing_settings_layout.addLayout(
            self.chart_limit_time_span_layout)

        self.chart_ring_buffer_layout.addRow(self.chart_ring_buffer_size_lbl,
                                             self.chart_ring_buffer_size_edt)

        self.graph_drawing_settings_layout.addLayout(
            self.chart_ring_buffer_layout)
        self.graph_drawing_settings_grpbx.setLayout(
            self.graph_drawing_settings_layout)

        self.data_tab_layout.addWidget(self.graph_drawing_settings_grpbx)
        self.chart_sync_mode_async_radio.toggled.emit(True)

        self.data_tab_layout.addWidget(self.reset_data_settings_btn)

    def setup_chart_settings_layout(self):
        self.chart_title_layout.addWidget(self.chart_title_lbl)
        self.chart_title_layout.addWidget(self.chart_title_line_edt)
        self.chart_title_layout.addWidget(self.chart_title_font_btn)
        self.title_settings_layout.addLayout(self.chart_title_layout)

        legend_layout = QHBoxLayout()
        legend_layout.addWidget(self.show_legend_chk)
        legend_layout.addWidget(self.legend_font_btn)
        self.title_settings_layout.addLayout(legend_layout)
        self.title_settings_layout.addWidget(
            self.chart_change_axis_settings_btn)
        self.title_settings_grpbx.setLayout(self.title_settings_layout)
        self.chart_settings_layout.addWidget(self.title_settings_grpbx)

        self.graph_background_color_layout.addRow(self.background_color_lbl,
                                                  self.background_color_btn)
        self.axis_settings_layout.addLayout(self.graph_background_color_layout)

        self.axis_grid_color_layout.addRow(self.axis_color_lbl,
                                           self.axis_color_btn)
        self.axis_settings_layout.addLayout(self.axis_grid_color_layout)

        self.axis_settings_layout.addWidget(self.show_x_grid_chk)
        self.axis_settings_layout.addWidget(self.show_y_grid_chk)
        self.axis_settings_layout.addWidget(self.grid_opacity_lbl)
        self.axis_settings_layout.addWidget(self.grid_opacity_slr)

        self.axis_settings_grpbx.setLayout(self.axis_settings_layout)

        self.chart_settings_layout.addWidget(self.axis_settings_grpbx)
        self.chart_settings_layout.addWidget(self.reset_chart_settings_btn)

        self.update_datetime_timer.start(1000)

    def add_curve(self):
        """
        Add a new curve to the chart.
        """
        pv_name = self._get_full_pv_name(self.pv_name_line_edt.text())
        if pv_name and len(pv_name):
            color = random_color(curve_colors_only=True)
            for k, v in self.channel_map.items():
                if color == v.color:
                    color = random_color(curve_colors_only=True)

            self.add_y_channel(pv_name=pv_name,
                               curve_name=pv_name,
                               color=color)
            self.handle_splitter_button(left=True)

    def show_mouse_coordinates(self, x, y):
        self.crosshair_coord_lbl.clear()
        self.crosshair_coord_lbl.setText("x = {0:.3f}\ny = {1:.3f}".format(
            x, y))

    def handle_enable_crosshair_checkbox_clicked(self, is_checked):
        self.chart.enableCrosshair(is_checked)
        self.crosshair_coord_lbl.setVisible(is_checked)

        self.chart.crosshair_position_updated.connect(
            self.show_mouse_coordinates)

    def add_y_channel(self,
                      pv_name,
                      curve_name,
                      color,
                      line_style=Qt.SolidLine,
                      line_width=2,
                      symbol=None,
                      symbol_size=None,
                      is_visible=True):
        if pv_name in self.channel_map:
            logger.error("'{0}' has already been added.".format(pv_name))
            return

        curve = self.chart.addYChannel(y_channel=pv_name,
                                       name=curve_name,
                                       color=color,
                                       lineStyle=line_style,
                                       lineWidth=line_width,
                                       symbol=symbol,
                                       symbolSize=symbol_size)
        curve.show() if is_visible else curve.hide()

        if self.show_legend_chk.isChecked():
            self.change_legend_font(self.legend_font)
        self.channel_map[pv_name] = curve
        self.generate_pv_controls(pv_name, color)

        self.enable_chart_control_buttons()
        try:
            self.app.add_connection(curve.channel)
        except AttributeError:
            # these methods are not needed on future versions of pydm
            pass

    def generate_pv_controls(self, pv_name, curve_color):
        """
        Generate a set of widgets to manage the appearance of a curve. The set of widgets includes:
            1. A checkbox which shows the curve on the chart if checked, and hide the curve if not
               checked
            2. Three buttons -- Modify..., Focus, and Remove. Modify... will bring up the Curve
               Settings dialog. Focus adjusts the chart's zooming for the current curve.
               Remove will delete the curve from the chart
        Parameters
        ----------
        pv_name: str
            The name of the PV the current curve is being plotted for
        curve_color : QColor
            The color of the curve to paint for the checkbox label to help the user track the curve
            to the checkbox
        """
        individual_curve_layout = QVBoxLayout()

        size_policy = QSizePolicy()
        size_policy.setVerticalPolicy(QSizePolicy.Fixed)
        size_policy.setHorizontalPolicy(QSizePolicy.Fixed)

        individual_curve_grpbx = QGroupBox()
        individual_curve_grpbx.setMinimumWidth(300)
        individual_curve_grpbx.setMinimumHeight(120)
        individual_curve_grpbx.setAlignment(Qt.AlignTop)

        individual_curve_grpbx.setSizePolicy(size_policy)

        individual_curve_grpbx.setObjectName(pv_name + "_grb")
        individual_curve_grpbx.setLayout(individual_curve_layout)

        checkbox = QCheckBox(parent=individual_curve_grpbx)
        checkbox.setObjectName(pv_name + "_chb")

        palette = checkbox.palette()
        palette.setColor(QPalette.Active, QPalette.WindowText, curve_color)
        checkbox.setPalette(palette)

        display_name = pv_name.split("://")[1]
        if len(display_name) > MAX_DISPLAY_PV_NAME_LENGTH:
            # Only display max allowed number of characters of the PV Name
            display_name = display_name[
                           :int(MAX_DISPLAY_PV_NAME_LENGTH / 2) - 1] + "..." + \
                           display_name[
                           -int(MAX_DISPLAY_PV_NAME_LENGTH / 2) + 2:]

        checkbox.setText(display_name)

        data_text = QLabel(parent=individual_curve_grpbx)
        data_text.setWordWrap(True)
        data_text.setObjectName(pv_name + "_lbl")
        data_text.setPalette(palette)

        checkbox.setChecked(True)
        checkbox.toggled.connect(
            partial(self.handle_curve_chkbox_toggled, checkbox))
        if not self.chart.findCurve(pv_name).isVisible():
            checkbox.setChecked(False)

        modify_curve_btn = QPushButton("Modify...",
                                       parent=individual_curve_grpbx)
        modify_curve_btn.setObjectName(pv_name + "_btn_modify")
        modify_curve_btn.setMaximumWidth(80)
        modify_curve_btn.clicked.connect(
            partial(self.display_curve_settings_dialog, pv_name))

        focus_curve_btn = QPushButton("Focus", parent=individual_curve_grpbx)
        focus_curve_btn.setObjectName(pv_name + "_btn_focus")
        focus_curve_btn.setMaximumWidth(80)
        focus_curve_btn.clicked.connect(partial(self.focus_curve, pv_name))

        clear_curve_btn = QPushButton("Clear", parent=individual_curve_grpbx)
        clear_curve_btn.setObjectName(pv_name + "_btn_clear")
        clear_curve_btn.setMaximumWidth(80)
        clear_curve_btn.clicked.connect(partial(self.clear_curve, pv_name))

        # annotate_curve_btn = QPushButton("Annotate...",
        #                                  parent=individual_curve_grpbx)
        # annotate_curve_btn.setObjectName(pv_name+"_btn_ann")
        # annotate_curve_btn.setMaximumWidth(80)
        # annotate_curve_btn.clicked.connect(
        #     partial(self.annotate_curve, pv_name))

        remove_curve_btn = QPushButton("Remove", parent=individual_curve_grpbx)
        remove_curve_btn.setObjectName(pv_name + "_btn_remove")
        remove_curve_btn.setMaximumWidth(80)
        remove_curve_btn.clicked.connect(partial(self.remove_curve, pv_name))

        curve_btn_layout = QHBoxLayout()
        curve_btn_layout.setSpacing(5)
        curve_btn_layout.addWidget(modify_curve_btn)
        curve_btn_layout.addWidget(focus_curve_btn)
        curve_btn_layout.addWidget(clear_curve_btn)
        # curve_btn_layout.addWidget(annotate_curve_btn)
        curve_btn_layout.addWidget(remove_curve_btn)

        individual_curve_layout.addWidget(checkbox)
        individual_curve_layout.addWidget(data_text)
        individual_curve_layout.addLayout(curve_btn_layout)

        self.curve_settings_layout.addWidget(individual_curve_grpbx)

        self.tab_panel.setCurrentIndex(0)

    def handle_curve_chkbox_toggled(self, checkbox):
        """
        Handle a checkbox's checked and unchecked events.

        If a checkbox is checked, find the curve from the channel map. If found, re-draw the curve with its previous
        appearance settings.

        If a checkbox is unchecked, remove the curve from the chart, but keep the cached data in the channel map.

        Parameters
        ----------
        checkbox : QCheckBox
            The current checkbox being toggled
        """
        pv_name = self._get_full_pv_name(checkbox.text())

        if checkbox.isChecked():
            curve = self.channel_map.get(pv_name, None)
            if curve:
                curve.show()
                self.chart.addLegendItem(curve, pv_name,
                                         self.show_legend_chk.isChecked())
                self.change_legend_font(self.legend_font)
        else:
            curve = self.chart.findCurve(pv_name)
            if curve:
                curve.hide()
                self.chart.removeLegendItem(pv_name)

    def display_curve_settings_dialog(self, pv_name):
        """
        Bring up the Curve Settings dialog to modify the appearance of a curve.

        Parameters
        ----------
        pv_name : str
            The name of the PV the curve is being plotted for

        """
        self.curve_settings_disp = CurveSettingsDisplay(self, pv_name)
        self.curve_settings_disp.show()

    def focus_curve(self, pv_name):
        curve = self.chart.findCurve(pv_name)
        if curve:
            self.chart.plotItem.setYRange(curve.minY, curve.maxY, padding=0)

    def clear_curve(self, pv_name):
        curve = self.chart.findCurve(pv_name)
        if curve:
            curve.initialize_buffer()

    def annotate_curve(self, pv_name):
        curve = self.chart.findCurve(pv_name)
        if curve:
            annot = TextItem(
                html=
                '<div style="text-align: center"><span style="color: #FFF;">This is the'
                '</span><br><span style="color: #FF0; font-size: 16pt;">PEAK</span></div>',
                anchor=(-0.3, 0.5),
                border='w',
                fill=(0, 0, 255, 100))
            self.chart.annotateCurve(curve, annot)

    def remove_curve(self, pv_name):
        """
        Remove a curve from the chart permanently. This will also clear the channel map cache from retaining the
        removed curve's appearance settings.

        Parameters
        ----------
        pv_name : str
            The name of the PV the curve is being plotted for
        """
        curve = self.chart.findCurve(pv_name)
        if curve:
            try:
                self.app.remove_connection(curve.channel)
            except AttributeError:
                # these methods are not needed on future versions of pydm
                pass
            self.chart.removeYChannel(curve)
            del self.channel_map[pv_name]
            self.chart.removeLegendItem(pv_name)

            widget = self.findChild(QGroupBox, pv_name + "_grb")
            if widget:
                widget.deleteLater()

        if len(self.chart.getCurves()) < 1:
            self.enable_chart_control_buttons(False)
            self.show_legend_chk.setChecked(False)

    def handle_title_text_changed(self, new_text):
        self.chart.setPlotTitle(new_text)

    def handle_change_axis_settings_clicked(self):
        self.axis_settings_disp = AxisSettingsDisplay(self)
        self.axis_settings_disp.show()

    def handle_limit_time_span_checkbox_clicked(self, is_checked):
        self.chart_limit_time_span_lbl.setVisible(is_checked)
        self.chart_limit_time_span_hours_spin_box.setVisible(is_checked)
        self.chart_limit_time_span_minutes_spin_box.setVisible(is_checked)
        self.chart_limit_time_span_seconds_spin_box.setVisible(is_checked)
        self.chart_limit_time_span_activate_btn.setVisible(is_checked)

        self.chart_ring_buffer_size_lbl.setDisabled(is_checked)
        self.chart_ring_buffer_size_edt.setDisabled(is_checked)

        if not is_checked:
            self.chart_limit_time_span_chk.setText(self.limit_time_plan_text)

    def handle_time_span_changed(self):
        self.time_span_limit_hours = self.chart_limit_time_span_hours_spin_box.value(
        )
        self.time_span_limit_minutes = self.chart_limit_time_span_minutes_spin_box.value(
        )
        self.time_span_limit_seconds = self.chart_limit_time_span_seconds_spin_box.value(
        )

        status = self.time_span_limit_hours > 0 or self.time_span_limit_minutes > 0 or self.time_span_limit_seconds > 0

        self.chart_limit_time_span_activate_btn.setEnabled(status)

    def handle_chart_limit_time_span_activate_btn_clicked(self):
        timeout_milliseconds = (self.time_span_limit_hours * 3600 +
                                self.time_span_limit_minutes * 60 +
                                self.time_span_limit_seconds) * 1000
        self.chart.setTimeSpan(timeout_milliseconds / 1000.0)
        self.chart_ring_buffer_size_edt.setText(str(
            self.chart.getBufferSize()))

    def handle_buffer_size_changed(self):
        try:
            new_buffer_size = int(self.chart_ring_buffer_size_edt.text())
            if new_buffer_size and int(new_buffer_size) >= MINIMUM_BUFFER_SIZE:
                self.chart.setBufferSize(new_buffer_size)
        except ValueError:
            display_message_box(QMessageBox.Critical, "Invalid Values",
                                "Only integer values are accepted.")

    def handle_redraw_rate_changed(self):
        self.chart.maxRedrawRate = self.chart_redraw_rate_spin.value()

    def handle_data_sampling_rate_changed(self):
        # The chart expects the value in milliseconds
        sampling_rate_seconds = 1.0 / self.chart_data_async_sampling_rate_spin.value(
        )
        buffer_size = self.chart.getBufferSize()
        self.chart.setUpdateInterval(sampling_rate_seconds)
        if self.chart.getBufferSize() < buffer_size:
            self.chart.setBufferSize(buffer_size)
        self.chart_ring_buffer_size_edt.setText(str(
            self.chart.getBufferSize()))

    def handle_background_color_button_clicked(self):
        selected_color = QColorDialog.getColor()
        self.chart.setBackgroundColor(selected_color)
        self.background_color_btn.setStyleSheet("background-color: " +
                                                selected_color.name())

    def handle_axis_color_button_clicked(self):
        selected_color = QColorDialog.getColor()
        self.chart.setAxisColor(selected_color)
        self.axis_color_btn.setStyleSheet("background-color: " +
                                          selected_color.name())

    def handle_grid_opacity_slider_mouse_release(self):
        self.grid_alpha = float(self.grid_opacity_slr.value()) / 10.0
        self.chart.setShowXGrid(self.show_x_grid_chk.isChecked(),
                                self.grid_alpha)
        self.chart.setShowYGrid(self.show_y_grid_chk.isChecked(),
                                self.grid_alpha)

    def handle_show_x_grid_checkbox_clicked(self, is_checked):
        self.chart.setShowXGrid(is_checked, self.grid_alpha)
        self.grid_opacity_lbl.setEnabled(is_checked
                                         or self.show_y_grid_chk.isChecked())
        self.grid_opacity_slr.setEnabled(is_checked
                                         or self.show_y_grid_chk.isChecked())

    def handle_show_y_grid_checkbox_clicked(self, is_checked):
        self.chart.setShowYGrid(is_checked, self.grid_alpha)
        self.grid_opacity_lbl.setEnabled(is_checked
                                         or self.show_x_grid_chk.isChecked())
        self.grid_opacity_slr.setEnabled(is_checked
                                         or self.show_x_grid_chk.isChecked())

    def handle_show_legend_checkbox_clicked(self, is_checked):
        self.chart.setShowLegend(is_checked)

    def handle_export_data_btn_clicked(self):
        self.chart_data_export_disp = ChartDataExportDisplay(self)
        self.chart_data_export_disp.show()

    def handle_import_data_btn_clicked(self):
        open_file_info = QFileDialog.getOpenFileName(
            self,
            caption="Open File",
            directory=os.path.expanduser('~'),
            filter=IMPORT_FILE_FORMAT)
        open_filename = open_file_info[0]
        if open_filename:
            try:
                importer = SettingsImporter(self)
                importer.import_settings(open_filename)
            except SettingsImporterException:
                display_message_box(
                    QMessageBox.Critical, "Import Failure",
                    "Cannot import the file '{0}'. Check the log for the error details."
                    .format(open_filename))
                logger.exception(
                    "Cannot import the file '{0}'".format(open_filename))

    def handle_sync_mode_radio_toggle(self, radio_btn):
        if radio_btn.isChecked():
            if radio_btn.text() == "Synchronous":
                self.data_sampling_mode = SYNC_DATA_SAMPLING

                self.chart_data_sampling_rate_lbl.hide()
                self.chart_data_async_sampling_rate_spin.hide()

                self.chart.resetTimeSpan()
                self.chart_limit_time_span_chk.setChecked(False)
                self.chart_limit_time_span_chk.clicked.emit(False)
                self.chart_limit_time_span_chk.hide()

                self.chart.setUpdatesAsynchronously(False)
            elif radio_btn.text() == "Asynchronous":
                self.data_sampling_mode = ASYNC_DATA_SAMPLING

                self.chart_data_sampling_rate_lbl.show()
                self.chart_data_async_sampling_rate_spin.show()
                self.chart_limit_time_span_chk.show()

                self.chart.setUpdatesAsynchronously(True)

    def handle_zoom_in_btn_clicked(self, axis, is_zoom_in):
        scale_factor = 0.5
        if not is_zoom_in:
            scale_factor += 1.0
        if axis == "x":
            self.chart.getViewBox().scaleBy(x=scale_factor)
        elif axis == "y":
            self.chart.getViewBox().scaleBy(y=scale_factor)

    def handle_view_all_button_clicked(self):
        self.chart.plotItem.getViewBox().autoRange()

    def handle_pause_chart_btn_clicked(self):
        if self.chart.pausePlotting():
            self.pause_chart_btn.setIcon(self.pause_icon)
        else:
            self.pause_chart_btn.setIcon(self.play_icon)

    def handle_reset_chart_btn_clicked(self):
        self.chart.getViewBox().setXRange(DEFAULT_X_MIN, 0)
        self.chart.resetAutoRangeY()

    @Slot()
    def handle_reset_chart_settings_btn_clicked(self):
        self.chart.setBackgroundColor(DEFAULT_CHART_BACKGROUND_COLOR)
        self.background_color_btn.setStyleSheet(
            "background-color: " + DEFAULT_CHART_BACKGROUND_COLOR.name())

        self.chart.setAxisColor(DEFAULT_CHART_AXIS_COLOR)
        self.axis_color_btn.setStyleSheet("background-color: " +
                                          DEFAULT_CHART_AXIS_COLOR.name())

        self.grid_opacity_slr.setValue(5)

        self.show_x_grid_chk.setChecked(False)
        self.show_x_grid_chk.clicked.emit(False)

        self.show_y_grid_chk.setChecked(False)
        self.show_y_grid_chk.clicked.emit(False)

        self.show_legend_chk.setChecked(False)

        self.chart.setShowXGrid(False)
        self.chart.setShowYGrid(False)
        self.chart.setShowLegend(False)

    @Slot()
    def handle_reset_data_settings_btn_clicked(self):
        self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE))

        self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ)
        self.handle_redraw_rate_changed()

        self.chart_data_async_sampling_rate_spin.setValue(
            DEFAULT_DATA_SAMPLING_RATE_HZ)
        self.chart_data_sampling_rate_lbl.hide()
        self.chart_data_async_sampling_rate_spin.hide()

        self.chart_sync_mode_async_radio.setChecked(True)
        self.chart_sync_mode_async_radio.toggled.emit(True)

        self.chart_limit_time_span_chk.setChecked(False)
        self.chart_limit_time_span_chk.setText(self.limit_time_plan_text)
        self.chart_limit_time_span_chk.clicked.emit(False)

        self.chart.setUpdatesAsynchronously(True)
        self.chart.resetTimeSpan()
        self.chart.resetUpdateInterval()
        self.chart.setBufferSize(DEFAULT_BUFFER_SIZE)

    def enable_chart_control_buttons(self, enabled=True):
        self.zoom_in_x_btn.setEnabled(enabled)
        self.zoom_out_x_btn.setEnabled(enabled)
        self.zoom_in_y_btn.setEnabled(enabled)
        self.zoom_out_y_btn.setEnabled(enabled)

        self.view_all_btn.setEnabled(enabled)
        self.reset_chart_btn.setEnabled(enabled)
        self.pause_chart_btn.setIcon(self.pause_icon)
        self.pause_chart_btn.setEnabled(enabled)
        self.export_data_btn.setEnabled(enabled)

    def _get_full_pv_name(self, pv_name):
        """
        Append the protocol to the PV Name.

        Parameters
        ----------
        pv_name : str
            The name of the PV the curve is being plotted for
        """
        if pv_name and "://" not in pv_name:
            pv_name = ''.join([self.pv_protocol_cmb.currentText(), pv_name])
        return pv_name

    def handle_update_datetime_timer_timeout(self):
        current_label = self.chart.getBottomAxisLabel()
        new_label = "Current Time: " + TimeChartDisplay.get_current_datetime()

        if X_AXIS_LABEL_SEPARATOR in current_label:
            current_label = current_label[current_label.
                                          find(X_AXIS_LABEL_SEPARATOR) +
                                          len(X_AXIS_LABEL_SEPARATOR):]
            new_label += X_AXIS_LABEL_SEPARATOR + current_label

        self.chart.setLabel("bottom", text=new_label)

    def update_curve_data(self, curve):
        """
        Determine if the PV is active. If not, disable the related PV controls.
        If the PV is active, update the PV controls' states.

        Parameters
        ----------
        curve : PlotItem
           A PlotItem, i.e. a plot, to draw on the chart.
        """
        pv_name = curve.address
        min_y = curve.minY if curve.minY else 0
        max_y = curve.maxY if curve.maxY else 0
        current_y = curve.data_buffer[1, -1]

        grb = self.findChild(QGroupBox, pv_name + "_grb")

        lbl = grb.findChild(QLabel, pv_name + "_lbl")
        lbl.setText("(yMin = {0:.3f}, yMax = {1:.3f}) y = {2:.3f}".format(
            min_y, max_y, current_y))

        chb = grb.findChild(QCheckBox, pv_name + "_chb")

        connected = curve.connected
        if connected and chb.isEnabled():
            return

        chb.setEnabled(connected)
        btn_modify = grb.findChild(QPushButton, pv_name + "_btn_modify")
        btn_modify.setEnabled(connected)
        btn_focus = grb.findChild(QPushButton, pv_name + "_btn_focus")
        btn_focus.setEnabled(connected)

        # btn_ann = grb.findChild(QPushButton, pv_name + "_btn_ann")
        # btn_ann.setEnabled(connected)

    @staticmethod
    def get_current_datetime():
        current_date = datetime.datetime.now().strftime("%b %d, %Y")
        current_time = datetime.datetime.now().strftime("%H:%M:%S")
        current_datetime = current_time + ' (' + current_date + ')'

        return current_datetime

    @property
    def gridAlpha(self):
        return self.grid_alpha