param_plugin.py

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# Author: Isaac Saito

import roslib
roslib.load_manifest('rqt_param')

from rqt_gui_py.plugin import Plugin
import rospy

from .param_widget import ParamWidget

class ParamPlugin(Plugin):
    
    def __init__(self, context):
        """
        :type context: qt_gui.PluginContext
        """

        super(ParamPlugin, self).__init__(context)
        self.setObjectName('Param')

        self._widget = ParamWidget(context)
        if context.serial_number() > 1:
            self._widget.setWindowTitle(self._widget.windowTitle() + 
                                        (' (%d)' % context.serial_number()))
        context.add_widget(self._widget)

    def shutdown_plugin (self):
        self._widget.shutdown()

    def save_settings(self, plugin_settings, instance_settings):
        self._widget.save_settings(plugin_settings, instance_settings)

    def restore_settings(self, plugin_settings, instance_settings):
        self._widget.restore_settings(plugin_settings, instance_settings)