def _do_update(self):
if self.sender().text() == 'Abort':
self._update_task.terminate()
now = Time.now().strftime('%Y/%m/%d-%H:%M:%S')
item = QListWidgetItem(now + ' Aborted.')
self._progress_list.addItem(item)
self._progress_list.scrollToBottom()
self._setup_search_button()
else:
if self.dt_start.dateTime() >= self.dt_stop.dateTime() or \
self.dt_start.dateTime() > Time.now() or \
self.dt_stop.dateTime() > Time.now():
QMessageBox.warning(self, 'Ops...',
'Insert a valid time interval.')
return
self._macreport.timestamp_start = \
self.dt_start.dateTime().toSecsSinceEpoch()
self._macreport.timestamp_stop = \
self.dt_stop.dateTime().toSecsSinceEpoch()
self._progress_list.clear()
self._pb_showraw.setEnabled(False)
self._pb_showpvsd.setEnabled(False)
self._setup_search_button()
self._update_task = UpdateTask(self._macreport)
self._update_task.updated.connect(self._update_progress)
self._update_task.start()
def _setupTimePeriodSelWidget(self):
tnow = Time.now()
ld_tstart = QLabel('Time start: ')
self.dt_start = QDateTimeEdit(tnow - 10 * 60, self)
self.dt_start.setCalendarPopup(True)
self.dt_start.setMinimumDate(Time(2020, 1, 1))
self.dt_start.setDisplayFormat('dd/MM/yyyy hh:mm')
ld_tstop = QLabel('Time stop: ')
self.dt_stop = QDateTimeEdit(tnow, self)
self.dt_stop.setCalendarPopup(True)
self.dt_stop.setMinimumDate(Time(2020, 1, 1))
self.dt_stop.setDisplayFormat('dd/MM/yyyy hh:mm')
self.pb_search = QPushButton(qta.icon('fa5s.search'), 'Search', self)
self.pb_search.clicked.connect(self._do_update)
self.pb_search.setObjectName('pb_search')
self.pb_search.setStyleSheet("""
#pb_search{
min-width:100px; max-width:100px;
min-height:25px; max-height:25px;
icon-size:20px;}
""")
wid = QGroupBox('Select interval: ', self)
lay = QGridLayout(wid)
lay.addWidget(ld_tstart, 0, 0)
lay.addWidget(self.dt_start, 0, 1)
lay.addWidget(ld_tstop, 1, 0)
lay.addWidget(self.dt_stop, 1, 1)
lay.addWidget(self.pb_search, 2, 1, alignment=Qt.AlignRight)
return wid
def updateXAxis(self, update_immediately=False):
"""Reimplement to show only existing range."""
if len(self._curves) == 0:
return
if self._plot_by_timestamps:
if self._update_mode == PyDMTimePlot.SynchronousMode:
maxrange = max([curve.max_x() for curve in self._curves])
else:
maxrange = time.time()
mini = Time.now().timestamp()
for curve in self._curves:
firstvalid = (curve.data_buffer[0] != 0).argmax()
if curve.data_buffer[0, firstvalid] == 0:
continue
mini = min(mini, curve.data_buffer[0, firstvalid])
minrange = max(maxrange - self._time_span, mini)
self.plotItem.setXRange(minrange,
maxrange,
padding=0.0,
update=update_immediately)
else:
diff_time = self.starting_epoch_time - \
max([curve.max_x() for curve in self._curves])
if diff_time > DEFAULT_X_MIN:
diff_time = DEFAULT_X_MIN
self.getViewBox().setLimits(minXRange=diff_time)
def _handle_mouse_moved(self, pos):
"""Show tooltip at mouse move."""
if not self._show_tooltip:
return
# create label tooltip, if needed
if not hasattr(self, 'label_tooltip'):
self.label_tooltip = QLabel(self, Qt.ToolTip)
self.timer_tooltip = QTimer(self)
self.timer_tooltip.timeout.connect(self.label_tooltip.hide)
self.timer_tooltip.setInterval(1000)
# find nearest curve point
nearest = (self._curves[0], _np.inf, None, None)
for idx, curve in enumerate(self._curves):
if not curve.isVisible():
continue
mappos = curve.mapFromScene(pos)
posx, posy = mappos.x(), mappos.y()
xData, yData = curve.curve.xData, curve.curve.yData
if not xData.size:
continue
diffx = xData - posx
idx = _np.argmin(_np.abs(diffx))
if diffx[idx] < 0.5:
valx, valy = xData[idx], yData[idx]
diffy = abs(valy - posy)
if diffy < nearest[1]:
nearest = (curve, diffy, valx, valy)
# show tooltip
curve, diffy, valx, valy = nearest
ylimts = self.getViewBox().state['viewRange'][1]
ydelta = ylimts[1] - ylimts[0]
if diffy < 1e-2 * ydelta:
txt = Time(timestamp=valx).get_iso8601() + '\n'
txt += f'{curve.name()}: {valy:.3f}'
font = QApplication.instance().font()
font.setPointSize(font.pointSize() - 10)
palette = QPalette()
palette.setColor(QPalette.WindowText, curve.color)
self.label_tooltip.setText(txt)
self.label_tooltip.setFont(font)
self.label_tooltip.setPalette(palette)
self.label_tooltip.move(self.mapToGlobal(pos.toPoint()))
self.label_tooltip.show()
self.timer_tooltip.start()
curve.scatter.setData(pos=[
(valx, valy),
],
symbol='o',
size=15,
brush=mkBrush(curve.color))
curve.scatter.show()
def redrawCurve(self):
"""
Rederive redrawCurve to use data only refered to timespan.
"""
try:
now = Time.now().timestamp()
xmin = now - self.parent.timeSpan
idcs = _np.where(self.data_buffer[0] >= xmin)[0]
x = self.data_buffer[0, idcs].astype(_np.float)
y = self.data_buffer[1, idcs].astype(_np.float)
if not self._plot_by_timestamps:
x -= now
self.setData(y=y, x=x)
except (ZeroDivisionError, OverflowError):
# Solve an issue with pyqtgraph and initial downsampling
pass
def _changeTimeSpan(self):
new_time_span, ok = QInputDialog.getInt(
self, 'Input', 'Set new time span value [s]: ')
if not ok:
return
if new_time_span > self.timeSpan:
t_end = Time.now()
t_init = t_end - new_time_span
for pvname, info in self._filled_with_arch_data.items():
self.fill_curve_with_archdata(info['curve'], pvname,
t_init.get_iso8601(),
t_end.get_iso8601(),
info['factor'],
info['process_type'],
info['process_bin_intvl'])
self.timeSpan = new_time_span
self.timeSpanChanged.emit()
def _update(self):
text = _Time.strftime(_Time.now(), '%H:%M:%S')
self.setText(text)
def update(self, message):
"""Send log."""
now = Time.now().strftime('%Y/%m/%d-%H:%M:%S')
self.updated.emit(now + ' ' + message)