# https://pyrocko.org - GPLv3
#
# The Pyrocko Developers, 21st Century
# ---|P------/S----------~Lg----------
from pyrocko.guts import String, Timestamp, List, str_duration, \
parse_duration, Duration, Float
from pyrocko.gui.qt_compat import qw, qg
from pyrocko.gui import talkie, util as gui_util
from pyrocko.gui.state import state_bind_lineedit, state_bind
guts_prefix = 'gato'
[docs]@talkie.has_computed
class ConstraintsState(talkie.TalkieRoot):
tmin = Timestamp.T(optional=True)
tmax = Timestamp.T(optional=True)
tduration = Duration.T(optional=True)
tposition = Float.T(default=0.0)
tcursor = Timestamp.T(optional=True)
channels = List.T(String.T())
@talkie.computed(['tmin', 'tmax', 'tduration', 'tposition'])
def tmin_effective(self):
return gui_util.tmin_effective(
self.tmin, self.tmax, self.tduration, self.tposition)
@talkie.computed(['tmin', 'tmax', 'tduration', 'tposition'])
def tmax_effective(self):
return gui_util.tmax_effective(
self.tmin, self.tmax, self.tduration, self.tposition)
class Constrainer(qw.QFrame, talkie.TalkieConnectionOwner):
def __init__(self, state, *args, **kwargs):
qw.QFrame.__init__(self, *args, **kwargs)
talkie.TalkieConnectionOwner.__init__(self)
self.state = state
layout = qw.QGridLayout()
self.setLayout(layout)
channels_le = qw.QLineEdit()
channels_le.setPlaceholderText('BH?, SHZ')
layout.addWidget(channels_le, 0, 0)
def from_string(s):
return [s.strip() for s in s.split(',') if s]
def to_string(channels):
return ', '.join(channels)
state_bind_lineedit(
self, self.state, 'channels', channels_le,
from_string, to_string)
layout.addWidget(self.controls_time())
def state_bind(self, *args, **kwargs):
state_bind(self, self.state, *args, **kwargs)
def controls_time(self):
frame = qw.QFrame(self)
layout = qw.QGridLayout()
layout.setContentsMargins(0, 0, 0, 0)
frame.setLayout(layout)
le_tmin = qw.QLineEdit()
le_tmin.setSizePolicy(
qw.QSizePolicy.Preferred, qw.QSizePolicy.Fixed)
layout.addWidget(le_tmin, 0, 0)
le_tmax = qw.QLineEdit()
le_tmax.setSizePolicy(
qw.QSizePolicy.Preferred, qw.QSizePolicy.Fixed)
layout.addWidget(le_tmax, 0, 2)
label_tcursor = qw.QLabel()
label_tcursor.setSizePolicy(
qw.QSizePolicy.Preferred, qw.QSizePolicy.Fixed)
layout.addWidget(label_tcursor, 2, 0)
self._label_tcursor = label_tcursor
self.state_bind(
['tmin'], gui_util.lineedit_to_time, le_tmin,
[le_tmin.editingFinished, le_tmin.returnPressed],
gui_util.time_to_lineedit,
attribute='tmin')
self.state_bind(
['tmax'], gui_util.lineedit_to_time, le_tmax,
[le_tmax.editingFinished, le_tmax.returnPressed],
gui_util.time_to_lineedit,
attribute='tmax')
self.tmin_lineedit = le_tmin
self.tmax_lineedit = le_tmax
range_edit = gui_util.RangeEdit()
# range_edit.rangeEditPressed.connect(self.disable_capture)
# range_edit.rangeEditReleased.connect(self.enable_capture)
# range_edit.set_data_provider(self)
# range_edit.set_data_name('time')
xblock = [False]
def range_to_range_edit(state, widget):
if not xblock[0]:
widget.blockSignals(True)
widget.set_focus(state.tduration, state.tposition)
widget.set_range(state.tmin, state.tmax)
widget.blockSignals(False)
def range_edit_to_range(widget, state):
xblock[0] = True
self.state.tduration, self.state.tposition = widget.get_focus()
self.state.tmin, self.state.tmax = widget.get_range()
xblock[0] = False
self.state_bind(
['tmin', 'tmax', 'tduration', 'tposition'],
range_edit_to_range,
range_edit,
[range_edit.rangeChanged, range_edit.focusChanged],
range_to_range_edit)
def handle_tcursor_changed():
self.state.tcursor = range_edit.get_tcursor()
range_edit.tcursorChanged.connect(handle_tcursor_changed)
layout.addWidget(range_edit, 0, 1, 3, 1)
le_focus = qw.QLineEdit()
le_focus.setSizePolicy(
qw.QSizePolicy.Preferred, qw.QSizePolicy.Fixed)
layout.addWidget(le_focus, 2, 2)
def focus_to_lineedit(state, widget):
if state.tduration is None:
widget.setText('')
else:
widget.setText('%s, %g' % (
str_duration(state.tduration),
state.tposition))
def lineedit_to_focus(widget, state):
s = str(widget.text())
w = [x.strip() for x in s.split(',')]
try:
if len(w) == 0 or not w[0]:
state.tduration = None
state.tposition = 0.0
else:
state.tduration = parse_duration(w[0])
if len(w) > 1:
state.tposition = float(w[1])
else:
state.tposition = 0.0
except Exception:
raise ValueError('need two values: <duration>, <position>')
self.state_bind(
['tduration', 'tposition'], lineedit_to_focus, le_focus,
[le_focus.editingFinished, le_focus.returnPressed],
focus_to_lineedit)
label_effective_tmin = qw.QLabel()
label_effective_tmax = qw.QLabel()
label_effective_tmin.setSizePolicy(
qw.QSizePolicy.Preferred, qw.QSizePolicy.Fixed)
label_effective_tmax.setSizePolicy(
qw.QSizePolicy.Preferred, qw.QSizePolicy.Fixed)
label_effective_tmin.setMinimumSize(
qg.QFontMetrics(label_effective_tmin.font()).width(
'0000-00-00 00:00:00.000 '), 0)
label_effective_tmax.setMinimumSize(
qg.QFontMetrics(label_effective_tmax.font()).width(
'0000-00-00 00:00:00.000 '), 0)
layout.addWidget(label_effective_tmin, 1, 0)
layout.addWidget(label_effective_tmax, 1, 2)
for var in ['tmin', 'tmax', 'tduration', 'tposition']:
self.talkie_connect(
self.state, var, self.update_effective_time_labels)
self._label_effective_tmin = label_effective_tmin
self._label_effective_tmax = label_effective_tmax
self.talkie_connect(
self.state, 'tcursor', self.update_tcursor)
return frame
def update_effective_time_labels(self, *args):
tmin = self.state.tmin_effective
tmax = self.state.tmax_effective
stmin = gui_util.time_or_none_to_str(tmin)
stmax = gui_util.time_or_none_to_str(tmax)
self._label_effective_tmin.setText(stmin)
self._label_effective_tmax.setText(stmax)
def update_tcursor(self, *args):
tcursor = self.state.tcursor
stcursor = gui_util.time_or_none_to_str(tcursor)
self._label_tcursor.setText(stcursor)
