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time_filter_widget.py
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time_filter_widget.py
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# Software License Agreement (BSD License)
#
# Copyright (c) 2012, Willow Garage, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Willow Garage, Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
from datetime import datetime
import os
import rospkg
from python_qt_binding import loadUi
from python_qt_binding.QtCore import QDateTime
from python_qt_binding.QtWidgets import QWidget
class TimeFilterWidget(QWidget):
def __init__(self, parentfilter, rospack, time_range_provider):
"""
Widget for displaying interactive data related to time filtering.
:param parentfilter: buddy filter were data is stored, ''TimeFilter''
:param display_list_args: single element list containing one tuple with
the min and max time to be displayed, ''list of tuple''
"""
super(TimeFilterWidget, self).__init__()
ui_file = os.path.join(rospack.get_path('rqt_console'), 'resource/filters', 'time_filter_widget.ui')
loadUi(ui_file, self)
self.setObjectName('TimeFilterWidget')
self._parentfilter = parentfilter # When data is changed it is stored in the parent filter
self.start_datetime.dateTimeChanged[QDateTime].connect(self.handle_start_changed)
self.stop_datetime.dateTimeChanged[QDateTime].connect(self.handle_stop_changed)
self.stop_enabled_check_box.clicked[bool].connect(self.handle_stop_enabled_changed)
# Times are passed in unixtimestamp '.' decimal fraction of a second
mintime, maxtime = time_range_provider()
if mintime != -1:
mintime = str(mintime).split('.')
maxtime = str(maxtime).split('.')
time = QDateTime()
time.setTime_t(int(mintime[0]))
mintime = time.addMSecs(int(str(mintime[1]).zfill(9)[:3]))
self.start_datetime.setDateTime(mintime)
time.setTime_t(int(maxtime[0]))
maxtime = time.addMSecs(int(str(maxtime[1]).zfill(9)[:3]))
self.stop_datetime.setDateTime(maxtime)
else:
self.start_datetime.setDateTime(datetime.now())
self.stop_datetime.setDateTime(datetime.now())
def handle_start_changed(self, datetime_):
self._parentfilter.set_start_time(datetime_)
def handle_stop_changed(self, datetime_):
self._parentfilter.set_stop_time(datetime_)
def handle_stop_enabled_changed(self, checked):
self._parentfilter.set_stop_time_enabled(checked)
self.stop_datetime.setEnabled(checked)
def repopulate(self):
"""
Stub function.
If the widget had any dynamically adjustable data it would requery it
in this function.
"""
pass
def save_settings(self, settings):
"""
Saves the settings for this filter to an ini file.
:param settings: used to write the settings to an ini file ''qt_gui.settings.Settings''
"""
settings.set_value('start_time', self._parentfilter._start_time.toString('hh:mm:ss.zzz (yyyy-MM-dd)'))
settings.set_value('stop_time', self._parentfilter._stop_time.toString('hh:mm:ss.zzz (yyyy-MM-dd)'))
settings.set_value('stop_time_enabled', self._parentfilter._stop_time_enabled)
def restore_settings(self, settings):
"""
Restores the settings for this filter from an ini file.
:param settings: used to extract the settings from an ini file ''qt_gui.settings.Settings''
"""
self.handle_stop_enabled_changed(settings.value('stop_time_enabled') in [True, 'true'])
if settings.contains('start_time'):
self.handle_start_changed(QDateTime.fromString(settings.value('start_time'), 'hh:mm:ss.zzz (yyyy-MM-dd)'))
else:
self.handle_start_changed(QDateTime(datetime.now()))
if settings.contains('stop_time'):
self.handle_stop_changed(QDateTime.fromString(settings.value('stop_time'), 'hh:mm:ss.zzz (yyyy-MM-dd)'))
else:
self.handle_stop_changed(QDateTime(datetime.now()))
self.stop_datetime.setDateTime(self._parentfilter._stop_time)
self.start_datetime.setDateTime(self._parentfilter._start_time)
self.stop_enabled_check_box.setChecked(self._parentfilter._stop_time_enabled)