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