def __init__(self, updater, config, nodename):
        """
        :param config:
        :type config: Dictionary? defined in dynamic_reconfigure.client.Client
        :type nodename: str
        """
        super(GroupWidget, self).__init__()
        self.state = config['state']
        self.param_name = config['name']
        self._toplevel_treenode_name = nodename

        # TODO: .ui file needs to be back into usage in later phase.
#        ui_file = os.path.join(rp.get_path('rqt_reconfigure'),
#                               'resource', 'singlenode_parameditor.ui')
#        loadUi(ui_file, self)

        verticalLayout = QVBoxLayout(self)
        verticalLayout.setContentsMargins(QMargins(0, 0, 0, 0))

        _widget_nodeheader = QWidget()
        _h_layout_nodeheader = QHBoxLayout(_widget_nodeheader)
        _h_layout_nodeheader.setContentsMargins(QMargins(0, 0, 0, 0))

        self.nodename_qlabel = QLabel(self)
        font = QFont('Trebuchet MS, Bold')
        font.setUnderline(True)
        font.setBold(True)

        # Button to close a node.
        _icon_disable_node = QIcon.fromTheme('window-close')
        _bt_disable_node = QPushButton(_icon_disable_node, '', self)
        _bt_disable_node.setToolTip('Hide this node')
        _bt_disable_node_size = QSize(36, 24)
        _bt_disable_node.setFixedSize(_bt_disable_node_size)
        _bt_disable_node.pressed.connect(self._node_disable_bt_clicked)

        _h_layout_nodeheader.addWidget(self.nodename_qlabel)
        _h_layout_nodeheader.addWidget(_bt_disable_node)

        self.nodename_qlabel.setAlignment(Qt.AlignCenter)
        font.setPointSize(10)
        self.nodename_qlabel.setFont(font)
        grid_widget = QWidget(self)
        self.grid = QFormLayout(grid_widget)
        verticalLayout.addWidget(_widget_nodeheader)
        verticalLayout.addWidget(grid_widget, 1)
        # Again, these UI operation above needs to happen in .ui file.

        self.tab_bar = None  # Every group can have one tab bar
        self.tab_bar_shown = False

        self.updater = updater

        self.editor_widgets = []
        self._param_names = []

        self._create_node_widgets(config)

        logging.debug('Groups node name={}'.format(nodename))
        self.nodename_qlabel.setText(nodename)
    def __init__(self, updater, config, nodename):
        '''
        :param config:
        :type config: Dictionary? defined in dynamic_reconfigure.client.Client
        :type nodename: str
        '''

        super(GroupWidget, self).__init__()
        self.state = config['state']
        self.param_name = config['name']
        self._toplevel_treenode_name = nodename

        # TODO: .ui file needs to be back into usage in later phase.
#        ui_file = os.path.join(rp.get_path('rqt_reconfigure'),
#                               'resource', 'singlenode_parameditor.ui')
#        loadUi(ui_file, self)

        verticalLayout = QVBoxLayout(self)
        verticalLayout.setContentsMargins(QMargins(0, 0, 0, 0))

        _widget_nodeheader = QWidget()
        _h_layout_nodeheader = QHBoxLayout(_widget_nodeheader)
        _h_layout_nodeheader.setContentsMargins(QMargins(0, 0, 0, 0))

        self.nodename_qlabel = QLabel(self)
        font = QFont('Trebuchet MS, Bold')
        font.setUnderline(True)
        font.setBold(True)

        # Button to close a node.
        _icon_disable_node = QIcon.fromTheme('window-close')
        _bt_disable_node = QPushButton(_icon_disable_node, '', self)
        _bt_disable_node.setToolTip('Hide this node')
        _bt_disable_node_size = QSize(36, 24)
        _bt_disable_node.setFixedSize(_bt_disable_node_size)
        _bt_disable_node.pressed.connect(self._node_disable_bt_clicked)

        _h_layout_nodeheader.addWidget(self.nodename_qlabel)
        _h_layout_nodeheader.addWidget(_bt_disable_node)

        self.nodename_qlabel.setAlignment(Qt.AlignCenter)
        font.setPointSize(10)
        self.nodename_qlabel.setFont(font)
        grid_widget = QWidget(self)
        self.grid = QFormLayout(grid_widget)
        verticalLayout.addWidget(_widget_nodeheader)
        verticalLayout.addWidget(grid_widget, 1)
        # Again, these UI operation above needs to happen in .ui file.

        self.tab_bar = None  # Every group can have one tab bar
        self.tab_bar_shown = False

        self.updater = updater

        self.editor_widgets = []
        self._param_names = []

        self._create_node_widgets(config)

        rospy.logdebug('Groups node name={}'.format(nodename))
        self.nodename_qlabel.setText(nodename)
    def __init__(self, context, node_name):
        """
        Initializaze things.

        :type node_name: str
        """
        super(ParamClientWidget, self).__init__()
        self._node_grn = node_name
        self._toplevel_treenode_name = node_name

        self._editor_widgets = {}

        self._param_client = create_param_client(
            context.node, node_name, self._handle_param_event
        )

        verticalLayout = QVBoxLayout(self)
        verticalLayout.setContentsMargins(QMargins(0, 0, 0, 0))

        widget_nodeheader = QWidget()
        h_layout_nodeheader = QHBoxLayout(widget_nodeheader)
        h_layout_nodeheader.setContentsMargins(QMargins(0, 0, 0, 0))

        nodename_qlabel = QLabel(self)
        font = QFont('Trebuchet MS, Bold')
        font.setUnderline(True)
        font.setBold(True)
        font.setPointSize(10)
        nodename_qlabel.setFont(font)
        nodename_qlabel.setAlignment(Qt.AlignCenter)
        nodename_qlabel.setText(node_name)
        h_layout_nodeheader.addWidget(nodename_qlabel)

        # Button to close a node.
        icon_disable_node = QIcon.fromTheme('window-close')
        bt_disable_node = QPushButton(icon_disable_node, '', self)
        bt_disable_node.setToolTip('Hide this node')
        bt_disable_node_size = QSize(36, 24)
        bt_disable_node.setFixedSize(bt_disable_node_size)
        bt_disable_node.pressed.connect(self._node_disable_bt_clicked)
        h_layout_nodeheader.addWidget(bt_disable_node)

        grid_widget = QWidget(self)
        self.grid = QFormLayout(grid_widget)
        verticalLayout.addWidget(widget_nodeheader)
        verticalLayout.addWidget(grid_widget, 1)
        # Again, these UI operation above needs to happen in .ui file.
        param_names = self._param_client.list_parameters()
        self.add_editor_widgets(
            self._param_client.get_parameters(param_names),
            self._param_client.describe_parameters(param_names)
        )

        # Save and load buttons
        button_widget = QWidget(self)
        button_header = QHBoxLayout(button_widget)
        button_header.setContentsMargins(QMargins(0, 0, 0, 0))

        load_button = QPushButton()
        save_button = QPushButton()

        load_button.setIcon(QIcon.fromTheme('document-open'))
        save_button.setIcon(QIcon.fromTheme('document-save'))

        load_button.clicked[bool].connect(self._handle_load_clicked)
        save_button.clicked[bool].connect(self._handle_save_clicked)

        button_header.addWidget(save_button)
        button_header.addWidget(load_button)

        self.setMinimumWidth(150)