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#
# This file is part of the PyMeasure package.
#
# Copyright (c) 2013-2024 PyMeasure Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
import logging
from functools import partial
from ..inputs import BooleanInput, IntegerInput, ListInput, ScientificInput, StringInput
from ..Qt import QtWidgets, QtCore
from ...experiment import parameters
log = logging.getLogger(__name__)
log.addHandler(logging.NullHandler())
class InputsWidget(QtWidgets.QWidget):
"""
Widget wrapper for various :doc:`inputs`
"""
# tuple of Input classes that do not need an external label
NO_LABEL_INPUTS = (BooleanInput,)
def __init__(self, procedure_class, inputs=(), parent=None, hide_groups=True,
inputs_in_scrollarea=False):
super().__init__(parent)
self._procedure_class = procedure_class
self._procedure = procedure_class()
self._inputs = inputs
self._setup_ui()
self._layout(inputs_in_scrollarea)
self._hide_groups = hide_groups
self._setup_visibility_groups()
def _setup_ui(self):
parameter_objects = self._procedure.parameter_objects()
for name in self._inputs:
parameter = parameter_objects[name]
if parameter.ui_class is not None:
element = parameter.ui_class(parameter)
elif isinstance(parameter, parameters.FloatParameter):
element = ScientificInput(parameter)
elif isinstance(parameter, parameters.IntegerParameter):
element = IntegerInput(parameter)
elif isinstance(parameter, parameters.BooleanParameter):
element = BooleanInput(parameter)
elif isinstance(parameter, parameters.ListParameter):
element = ListInput(parameter)
elif isinstance(parameter, parameters.Parameter):
element = StringInput(parameter)
setattr(self, name, element)
def _layout(self, inputs_in_scrollarea):
vbox = QtWidgets.QVBoxLayout(self)
vbox.setSpacing(6)
vbox.setContentsMargins(0, 0, 0, 0)
self.labels = {}
parameters = self._procedure.parameter_objects()
for name in self._inputs:
if not isinstance(getattr(self, name), self.NO_LABEL_INPUTS):
label = QtWidgets.QLabel(self)
label.setText("%s:" % parameters[name].name)
vbox.addWidget(label)
self.labels[name] = label
vbox.addWidget(getattr(self, name))
if inputs_in_scrollarea:
scroll_area = QtWidgets.QScrollArea()
scroll_area.setWidgetResizable(True)
scroll_area.setFrameStyle(QtWidgets.QScrollArea.Shape.NoFrame)
scroll_area.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
inputs = QtWidgets.QWidget(self)
inputs.setLayout(vbox)
inputs.setSizePolicy(QtWidgets.QSizePolicy.Policy.Minimum,
QtWidgets.QSizePolicy.Policy.Fixed)
scroll_area.setWidget(inputs)
vbox = QtWidgets.QVBoxLayout(self)
vbox.setContentsMargins(0, 0, 0, 0)
vbox.addWidget(scroll_area, 1)
self.setLayout(vbox)
def _setup_visibility_groups(self):
groups = {}
parameters = self._procedure.parameter_objects()
for name in self._inputs:
parameter = parameters[name]
group_state = {g: True for g in parameter.group_by}
for group_name, condition in parameter.group_by.items():
if group_name not in self._inputs or group_name == name:
continue
if isinstance(getattr(self, group_name), BooleanInput):
# Adjust the boolean condition to a condition suitable for a checkbox
condition = bool(condition)
if group_name not in groups:
groups[group_name] = []
groups[group_name].append((name, condition, group_state))
for group_name, group in groups.items():
toggle = partial(self.toggle_group, group_name=group_name, group=group)
group_el = getattr(self, group_name)
if isinstance(group_el, BooleanInput):
group_el.toggled.connect(toggle)
toggle(group_el.isChecked())
elif isinstance(group_el, StringInput):
group_el.textChanged.connect(toggle)
toggle(group_el.text())
elif isinstance(group_el, (IntegerInput, ScientificInput)):
group_el.valueChanged.connect(toggle)
toggle(group_el.value())
elif isinstance(group_el, ListInput):
group_el.currentTextChanged.connect(toggle)
toggle(group_el.currentText())
else:
raise NotImplementedError(
f"Grouping based on {group_name} ({group_el}) is not implemented.")
def toggle_group(self, state, group_name, group):
for (name, condition, group_state) in group:
if callable(condition):
group_state[group_name] = condition(state)
else:
group_state[group_name] = (state == condition)
visible = all(group_state.values())
if self._hide_groups:
getattr(self, name).setHidden(not visible)
else:
getattr(self, name).setDisabled(not visible)
if name in self.labels:
if self._hide_groups:
self.labels[name].setHidden(not visible)
else:
self.labels[name].setDisabled(not visible)
def set_parameters(self, parameter_objects):
for name in self._inputs:
element = getattr(self, name)
element.set_parameter(parameter_objects[name])
def get_procedure(self):
""" Returns the current procedure """
self._procedure = self._procedure_class()
parameter_values = {}
for name in self._inputs:
element = getattr(self, name)
parameter_values[name] = element.parameter.value
self._procedure.set_parameters(parameter_values)
return self._procedure
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