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00033 import os
00034 import rospkg
00035
00036 from python_qt_binding import loadUi
00037 from python_qt_binding.QtGui import QIcon
00038 from python_qt_binding.QtWidgets import QWidget
00039
00040
00041 class FilterWrapperWidget(QWidget):
00042
00043 """
00044 Wraps the other filter widgets to provide enable check box, delete button control and uniform
00045 labeling
00046 """
00047
00048 def __init__(self, widget, filter_name):
00049 """
00050 :param widget: the Qwidget to wrap ''Qwidget''
00051 :param filter_name: the name to be placed on the label ''str''
00052 """
00053 super(FilterWrapperWidget, self).__init__()
00054 rp = rospkg.RosPack()
00055 ui_file = os.path.join(
00056 rp.get_path('rqt_console'), 'resource/filters', 'filter_wrapper_widget.ui')
00057 loadUi(ui_file, self)
00058 self.setObjectName('FilterWrapperWidget')
00059 self.delete_button.setIcon(QIcon.fromTheme('list-remove'))
00060 self._widget = widget
00061
00062
00063 stretch = self.layout_frame.stretch(2)
00064 self.layout_frame.insertWidget(2, widget)
00065 self.layout_frame.setStretch(2, stretch)
00066
00067
00068
00069 self.layout_frame.setStretch(3, 0)
00070
00071 self.enabled_checkbox.clicked[bool].connect(self.enabled_callback)
00072 self.filter_name_label.setText(filter_name + ':')
00073
00074 def enabled_callback(self, checked):
00075 self._widget._parentfilter.set_enabled(checked)
00076 self._widget.setEnabled(checked)
00077
00078 def repopulate(self):
00079 self._widget.repopulate()
00080
00081 def save_settings(self, settings):
00082 """
00083 Handles writing the enabled flag to the ini file and then passes the
00084 settings object to the wrapped widget
00085
00086 :param settings: used to write the settings to an ini file ''qt_gui.settings.Settings''
00087 """
00088 settings.set_value('enabled', self._widget._parentfilter._enabled)
00089 self._widget.save_settings(settings)
00090
00091 def restore_settings(self, settings):
00092 """
00093 Handles reading the enabled flag from the ini file.
00094 :param settings: used to read the settings to an ini file ''qt_gui.settings.Settings''
00095 """
00096 checked = settings.value('enabled') in [True, 'true']
00097 self.enabled_callback(checked)
00098 self.enabled_checkbox.setChecked(checked)
00099 self._widget.restore_settings(settings)