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 _get_stamp_as_qdatetime(self, stamp):
if None in self.__stamp:
return None
dt = QDateTime()
dt.setTime_t(stamp[0])
dt.addMSecs(int(float(stamp[1]) / 10**6))
return dt
def time_as_qdatetime(self):
"""
:returns: time with msecs included, ''QDateTime''
"""
time = QDateTime()
time.setTime_t(int(self._time[0]))
time = time.addMSecs(int(str(self._time[1]).zfill(9)[:3]))
return time
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)
def datestamp_to_qdatetime(self, secs, nsecs):
"""
:param secs: seconds from a datestamp ''int''
:param nsecs: nanoseconds from a datestamp ''int''
:returns: converted time ''QDateTime''
"""
temp_time = QDateTime()
temp_time.setTime_t(int(secs))
return temp_time.addMSecs(int(str(nsecs).zfill(9)[:3]))
def time_as_datestamp(self):
"""
:returns: seconds with decimal fractions of a second, ''str''
"""
seconds = self._time.toTime_t()
seconds_in_qdate = QDateTime()
seconds_in_qdate.setTime_t(seconds)
msecs = seconds_in_qdate.msecsTo(self._time)
return str(seconds) + '.' + str(msecs)
def __init__(self):
super(TimeFilter, self).__init__()
self._start_time = QDateTime()
self._stop_time = QDateTime()
self._stop_time_enabled = True
