<filename>melodic/lib/python2.7/dist-packages/rqt_console/filters/time_filter_widget.py
# Software License Agreement (BSD License)
#
# Copyright (c) 2012, <NAME>, 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 <NAME>, 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)
