class PsychroInput(QtWidgets.QWidget):
"""Widget with parameter for psychrometric state"""
parameters = ["tdb", "twb", "tdp", "w", "HR", "v", "h"]
stateChanged = QtCore.pyqtSignal(PsyState)
pressureChanged = QtCore.pyqtSignal()
def __init__(self, state=None, readOnly=False, parent=None):
"""
constructor
optional state parameter to assign initial psychrometric state
"""
super(PsychroInput, self).__init__(parent)
self.state = PsychroState(P=101325)
layout = QtWidgets.QGridLayout(self)
self.checkPresion = QtWidgets.QRadioButton(
QtWidgets.QApplication.translate("pychemqt", "Pressure"))
layout.addWidget(self.checkPresion, 1, 1, 1, 1)
self.P = Entrada_con_unidades(Pressure, value=101325)
self.P.valueChanged.connect(self.changePressure)
layout.addWidget(self.P, 1, 2, 1, 1)
self.checkAltitud = QtWidgets.QRadioButton(
QtWidgets.QApplication.translate("pychemqt", "Altitude"))
layout.addWidget(self.checkAltitud, 2, 1, 1, 1)
self.z = Entrada_con_unidades(Length, value=0)
self.checkPresion.toggled.connect(self.P.setEnabled)
self.checkAltitud.toggled.connect(self.z.setEnabled)
self.z.valueChanged.connect(self.changeAltitude)
self.checkPresion.setChecked(True)
self.z.setEnabled(False)
layout.addWidget(self.z, 2, 2, 1, 1)
layout.addItem(QtWidgets.QSpacerItem(
10, 10, QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed),
3, 1, 1, 2)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Select point")), 4, 1, 1, 2)
self.variables = QtWidgets.QComboBox()
for txt in PsyState.TEXT_MODE:
self.variables.addItem(txt)
self.variables.currentIndexChanged.connect(self.updateInputs)
layout.addWidget(self.variables, 5, 1, 1, 2)
layout.addWidget(QtWidgets.QLabel("Tdb:"), 6, 1, 1, 1)
self.tdb = Entrada_con_unidades(Temperature)
self.tdb.valueChanged.connect(partial(self.updateKwargs, "tdb"))
layout.addWidget(self.tdb, 6, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel("Twb:"), 7, 1, 1, 1)
self.twb = Entrada_con_unidades(Temperature)
self.twb.valueChanged.connect(partial(self.updateKwargs, "twb"))
layout.addWidget(self.twb, 7, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel("Tdp:"), 8, 1, 1, 1)
self.tdp = Entrada_con_unidades(Temperature)
self.tdp.valueChanged.connect(partial(self.updateKwargs, "tdp"))
layout.addWidget(self.tdp, 8, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Humidity Ratio:")), 9, 1, 1, 1)
self.w = Entrada_con_unidades(float, textounidad="kgw/kgda")
self.w.valueChanged.connect(partial(self.updateKwargs, "w"))
layout.addWidget(self.w, 9, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Relative humidity:")), 10, 1, 1, 1)
self.HR = Entrada_con_unidades(float, textounidad="%")
self.HR.valueChanged.connect(partial(self.updateKwargs, "HR"))
layout.addWidget(self.HR, 10, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Volume")), 11, 1, 1, 1)
self.v = Entrada_con_unidades(SpecificVolume)
self.v.valueChanged.connect(partial(self.updateKwargs, "v"))
layout.addWidget(self.v, 11, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Enthalpy")), 12, 1, 1, 1)
self.h = Entrada_con_unidades(Enthalpy)
self.h.valueChanged.connect(partial(self.updateKwargs, "h"))
layout.addWidget(self.h, 12, 2, 1, 1)
layout.addItem(QtWidgets.QSpacerItem(
20, 20, QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed),
13, 1, 1, 2)
self.setReadOnly(readOnly)
self.updateInputs(0)
if state:
self.setState(state)
def updateInputs(self, index):
"""Update inputs appearance to highlight active"""
for par in self.parameters:
self.__getattribute__(par).setReadOnly(True)
self.__getattribute__(par).setResaltado(False)
for par in PsyState.VAR_NAME[index]:
self.__getattribute__(par).setReadOnly(False)
self.__getattribute__(par).setResaltado(True)
index = self.variables.currentIndex()
kwargs = {"P": self.P.value}
for par in PsyState.VAR_NAME[index]:
if self.__getattribute__(par).value:
kwargs[par] = self.state.__getattribute__(par)
self.state = PsychroState(**kwargs)
def setReadOnly(self, readOnly):
self.checkPresion.setEnabled(not readOnly)
self.checkAltitud.setEnabled(not readOnly)
self.P.setReadOnly(readOnly)
self.z.setReadOnly(readOnly)
self.variables.setEnabled(not readOnly)
for par in self.parameters:
self.__getattribute__(par).setReadOnly(True)
self.__getattribute__(par).setResaltado(False)
def updateKwargs(self, key, value):
"""Update kwargs of state instance, if its correctly defined show it"""
kwargs = {key: value}
self.state(**kwargs)
if self.state.status:
self.setState(self.state)
self.stateChanged.emit(self.state)
def setState(self, state):
"""Fill data input with state properties"""
self.state = state
if state.w < state.ws:
for p in self.parameters:
self.__getattribute__(p).setValue(state.__getattribute__(p))
def changePressure(self, value):
"""Change pressure to global plot and for states"""
self.z.setValue(_height(value))
self.state = PsychroState(P=value)
self.pressureChanged.emit()
def changeAltitude(self, value):
"""Change pressure through altitude and ICAO equation"""
presion = _Pbar(value)
self.P.setValue(presion)
self.state = PsychroState(P=value)
self.pressureChanged.emit()
class PsychroInput(QtWidgets.QWidget):
"""Widget with parameter for psychrometric state"""
parameters = ["tdb", "twb", "tdp", "w", "HR", "v", "h"]
stateChanged = QtCore.pyqtSignal(PsyState)
pressureChanged = QtCore.pyqtSignal()
def __init__(self, state=None, readOnly=False, parent=None):
"""
constructor
optional state parameter to assign initial psychrometric state"""
super(PsychroInput, self).__init__(parent)
self.state = PsychroState(P=101325)
self.setSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Preferred)
layout = QtWidgets.QGridLayout(self)
self.checkPresion = QtWidgets.QRadioButton(
QtWidgets.QApplication.translate("pychemqt", "Pressure"))
layout.addWidget(self.checkPresion, 1, 1, 1, 1)
self.P = Entrada_con_unidades(unidades.Pressure, value=101325)
self.P.valueChanged.connect(self.changePressure)
layout.addWidget(self.P, 1, 2, 1, 1)
self.checkAltitud = QtWidgets.QRadioButton(
QtWidgets.QApplication.translate("pychemqt", "Altitude"))
layout.addWidget(self.checkAltitud, 2, 1, 1, 1)
self.z = Entrada_con_unidades(unidades.Length, value=0)
self.checkPresion.toggled.connect(self.P.setEnabled)
self.checkAltitud.toggled.connect(self.z.setEnabled)
self.z.valueChanged.connect(self.changeAltitude)
self.checkPresion.setChecked(True)
self.z.setEnabled(False)
layout.addWidget(self.z, 2, 2, 1, 1)
layout.addItem(QtWidgets.QSpacerItem(10, 10, QtWidgets.QSizePolicy.Fixed,
QtWidgets.QSizePolicy.Fixed), 3, 1, 1, 2)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Select point")), 4, 1, 1, 2)
self.variables = QtWidgets.QComboBox()
for txt in PsyState.TEXT_MODE:
self.variables.addItem(txt)
self.variables.currentIndexChanged.connect(self.updateInputs)
layout.addWidget(self.variables, 5, 1, 1, 2)
layout.addWidget(QtWidgets.QLabel("Tdb:"), 6, 1, 1, 1)
self.tdb = Entrada_con_unidades(unidades.Temperature)
self.tdb.valueChanged.connect(partial(self.updateKwargs, "tdb"))
layout.addWidget(self.tdb, 6, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel("Twb:"), 7, 1, 1, 1)
self.twb = Entrada_con_unidades(unidades.Temperature)
self.twb.valueChanged.connect(partial(self.updateKwargs, "twb"))
layout.addWidget(self.twb, 7, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel("Tdp:"), 8, 1, 1, 1)
self.tdp = Entrada_con_unidades(unidades.Temperature)
self.tdp.valueChanged.connect(partial(self.updateKwargs, "tdp"))
layout.addWidget(self.tdp, 8, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Humidity Ratio:")), 9, 1, 1, 1)
self.w = Entrada_con_unidades(float, textounidad="kgw/kgda")
self.w.valueChanged.connect(partial(self.updateKwargs, "w"))
layout.addWidget(self.w, 9, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Relative humidity:")), 10, 1, 1, 1)
self.HR = Entrada_con_unidades(float, textounidad="%")
self.HR.valueChanged.connect(partial(self.updateKwargs, "HR"))
layout.addWidget(self.HR, 10, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Volume")), 11, 1, 1, 1)
self.v = Entrada_con_unidades(unidades.SpecificVolume)
self.v.valueChanged.connect(partial(self.updateKwargs, "v"))
layout.addWidget(self.v, 11, 2, 1, 1)
layout.addWidget(QtWidgets.QLabel(QtWidgets.QApplication.translate(
"pychemqt", "Enthalpy")), 12, 1, 1, 1)
self.h = Entrada_con_unidades(unidades.Enthalpy)
self.h.valueChanged.connect(partial(self.updateKwargs, "h"))
layout.addWidget(self.h, 12, 2, 1, 1)
layout.addItem(QtWidgets.QSpacerItem(20, 20, QtWidgets.QSizePolicy.Fixed,
QtWidgets.QSizePolicy.Fixed),13,1,1,2)
self.setReadOnly(readOnly)
self.updateInputs(0)
if state:
self.setState(state)
def updateInputs(self, index):
"""Update inputs appearance to highlight active"""
for par in self.parameters:
self.__getattribute__(par).setReadOnly(True)
self.__getattribute__(par).setResaltado(False)
for par in PsyState.VAR_NAME[index]:
self.__getattribute__(par).setReadOnly(False)
self.__getattribute__(par).setResaltado(True)
index = self.variables.currentIndex()
kwargs = {"P": self.P.value}
for par in PsyState.VAR_NAME[index]:
if self.__getattribute__(par).value:
kwargs[par] = self.state.__getattribute__(par)
self.state = PsychroState(**kwargs)
def setReadOnly(self, readOnly):
self.checkPresion.setEnabled(not readOnly)
self.checkAltitud.setEnabled(not readOnly)
self.P.setReadOnly(readOnly)
self.z.setReadOnly(readOnly)
self.variables.setEnabled(not readOnly)
for par in self.parameters:
self.__getattribute__(par).setReadOnly(True)
self.__getattribute__(par).setResaltado(False)
def updateKwargs(self, key, value):
"""Update kwargs of state instance, if its correctly defined show it"""
kwargs = {key: value}
self.state(**kwargs)
if self.state.status:
self.setState(self.state)
self.stateChanged.emit(self.state)
def setState(self, state):
"""Fill data input with state properties"""
self.state = state
if state.w < state.ws:
for par in self.parameters:
self.__getattribute__(par).setValue(state.__getattribute__(par))
def changePressure(self, value):
"""Change pressure to global plot and for states"""
self.z.setValue(_height(value))
self.state = PsychroState(P=value)
self.pressureChanged.emit()
def changeAltitude(self, value):
"""Change pressure through altitude and ICAO equation"""
presion = _Pbar(value)
self.P.setValue(presion)
self.state = PsychroState(P=value)
self.pressureChanged.emit()
