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FinTubeUI.py
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FinTubeUI.py
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from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.uic import loadUiType
import CoolProp as CP
import os, sys
from GUI_functions import write_Fin_tube, read_Fin_tube, load_last_location, save_last_location
from CoolProp.CoolProp import HAPropsSI
from sympy.parsing.sympy_parser import parse_expr
from sympy import S, Symbol
from FinTubeUI_Circuit import FinTube_Circuit_Window
from unit_conversion import *
from inputs_validation import check_Fintube
from copy import deepcopy
FROM_FinTube_Main,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Fin_tube_define.ui"))
FROM_FinTube_Air_Distribution,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Fin_tube_Air_Distribution.ui"))
FROM_FinTube_Fan_Model_efficiency,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Fin_tube_Fan_Model_Efficiency.ui"))
FROM_FinTube_Fan_Model_power,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Fin_tube_Fan_Model_Power.ui"))
FROM_FinTube_Fan_Model_curve,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Fin_tube_Fan_Model_Curve.ui"))
class values():
pass
class FinTubeWindow(QDialog, FROM_FinTube_Main):
def __init__(self, parent=None):
# first UI
super(FinTubeWindow, self).__init__(parent)
self.setupUi(self)
self.Delete_validation_range = False
self.Fin_tube_cancel_button.clicked.connect(self.cancel_button)
self.FinTube_N_series_circuits.valueChanged.connect(self.N_series_circuits_changed)
self.FinTube_circuits = [values()]
self.FinTube_Sub_Circuit = values()
self.update_circuits_definition()
self.FinTube_air_direction.currentIndexChanged.connect(self.Air_flow_direction_changed)
self.FinTube_mode.currentIndexChanged.connect(self.FinTube_mode_changed)
self.FinTube_solver.currentIndexChanged.connect(self.FinTube_solver_changed)
self.FinTube_series_circuit_define_button.clicked.connect(self.FinTube_define_circuit)
# defining validators
only_number = QRegExpValidator(QRegExp("(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))"))
only_number_negative = QRegExpValidator(QRegExp("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)"))
self.FinTube_max_DP_error.setValidator(only_number)
self.FinTube_air_flowrate.setValidator(only_number)
self.FinTube_air_mass_flowrate.setValidator(only_number)
self.FinTube_air_inlet_P.setValidator(only_number)
self.FinTube_air_inlet_T.setValidator(only_number_negative)
self.FinTube_air_calculator_P.setValidator(only_number)
self.FinTube_air_calculator_T.setValidator(only_number_negative)
self.FinTube_air_calculator_2nd.setValidator(only_number_negative)
# Calculator
self.FinTube_air_calculator_option.currentIndexChanged.connect(self.FinTube_calculator_option_changed)
self.FinTube_air_calculator_P.textChanged.connect(self.FinTube_calculator_calculate)
self.FinTube_air_calculator_T.textChanged.connect(self.FinTube_calculator_calculate)
self.FinTube_air_calculator_2nd.textChanged.connect(self.FinTube_calculator_calculate)
self.FinTube_air_calculator_P_unit.currentIndexChanged.connect(self.FinTube_calculator_calculate)
self.FinTube_air_calculator_T_unit.currentIndexChanged.connect(self.FinTube_calculator_calculate)
self.FinTube_air_calculator_2nd_unit.currentIndexChanged.connect(self.FinTube_calculator_calculate)
# definition of Air Flow Distribution
self.FinTube_air_parallel_distribution_button.clicked.connect(self.FinTube_air_parallel_distribution_definition)
self.Automatic_Distribution_button.clicked.connect(self.FinTube_air_automatic_distribution)
# definition of fan model
self.FinTube_fan_model_button.clicked.connect(self.FinTube_fan_model_definition)
self.FinTube_fan_model.currentIndexChanged.connect(self.FinTube_fan_model_changed)
# save button clicked
self.Fin_tube_save_button.clicked.connect(self.save_button)
# load button clicked
self.Fin_tube_load_button.clicked.connect(self.load_button)
# Ok button clicked
self.Fin_tube_ok_button.clicked.connect(self.ok_button)
# copy button cliecked
self.FinTube_series_circuit_copy_button.clicked.connect(self.copy_circuit_button)
# reverse circuits button
self.reverse_circuits_button.clicked.connect(self.reverse_button)
# flowrate type changed
self.FinTube_air_flowrate_label.toggled.connect(self.air_flowrate_changed)
self.FinTube_air_mass_flowrate_label.toggled.connect(self.air_flowrate_changed)
# intially load images
def images_loader(path,var_name,size):
try:
photo = QPixmap(path)
photo = photo.scaledToWidth(size)
setattr(self,var_name,photo)
except:
pass
images_loader("photos/FinTube_Parallel_Air.png",'Parallel_Air_photo',400)
images_loader("photos/FinTube_Series_Counter_Air.png",'Series_Counter_photo',400)
images_loader("photos/FinTube_Series_Parallel_Air.png",'Series_Parallel_photo',400)
images_loader("photos/FinTube_Sub_HX_Last_Air.png",'Sub_HX_last_photo',400)
images_loader("photos/FinTube_Sub_HX_First_Air.png",'Sub_HX_first_photo',400)
# intially populate available images
if hasattr(self,"Parallel_Air_photo"):
self.FinTube_Air_direction_photo.setPixmap(self.Parallel_Air_photo)
else:
self.FinTube_Air_direction_photo.clear()
self.FinTube_Air_direction_photo.setText("Parallel Air Flow Direction Demonistration photo")
# hiding solver option
self.FinTube_solver_label.setVisible(False)
self.FinTube_solver.setVisible(False)
self.FinTube_max_DP_error_label.setVisible(False)
self.FinTube_max_DP_error.setVisible(False)
self.FinTube_max_DP_error_unit.setVisible(False)
# enabling sub heat exchanger
self.FinTube_Sub_HX_check.stateChanged.connect(self.Sub_HX_check_changed)
# defining sub heat exchanger
self.FinTube_Sub_HX_button.clicked.connect(self.FinTube_define_sub_circuit)
def air_flowrate_changed(self):
if self.FinTube_air_flowrate_label.isChecked():
self.FinTube_air_flowrate.setEnabled(True)
self.FinTube_air_flowrate_unit.setEnabled(True)
self.FinTube_air_mass_flowrate.setEnabled(False)
self.FinTube_air_mass_flowrate_unit.setEnabled(False)
elif self.FinTube_air_mass_flowrate_label.isChecked():
self.FinTube_air_mass_flowrate.setEnabled(True)
self.FinTube_air_mass_flowrate_unit.setEnabled(True)
self.FinTube_air_flowrate.setEnabled(False)
self.FinTube_air_flowrate_unit.setEnabled(False)
def Sub_HX_check_changed(self,state):
self.FinTube_Sub_HX_button.setEnabled(state)
self.FinTube_air_direction.clear()
if state:
self.FinTube_air_direction.addItems(["Sub Heat Exchanger First","Sub Heat Exchanger Last"])
else:
self.FinTube_air_direction.addItems(["Parallel","Series-Parallel","Series-Counter"])
self.update_circuits_definition()
def enable_range_validation(self):
if self.FinTube_air_flowrate_label.isChecked():
self.FinTube_air_flowrate.editingFinished.connect(lambda: self.validate_range_item("lineedit",'volume_flowrate'))
elif self.FinTube_air_mass_flowrate_label.isChecked():
self.FinTube_air_mass_flowrate.editingFinished.connect(lambda: self.validate_range_item("lineedit",'mass_flowrate'))
def validate_range_item(self,data_type,conversion=None):
if hasattr(self,"validation_range"):
sender = self.sender()
prop_name = sender.objectName()
name = getattr(self,prop_name+"_label").text()
# getting value
failed = False
if data_type == "lineedit":
try:
value = float(sender.text())
failed = False
except:
failed = True
elif data_type == "spinbox":
value = sender.value()
# converting value to SI units
if conversion == "temperature_diff":
true_value = temperature_diff_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "mass":
true_value = mass_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "power":
true_value = power_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "pressure":
true_value = pressure_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "mass_flowrate":
true_value = mass_flowrate_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "volume_flowrate":
true_value = volume_flowrate_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "temperature":
true_value = temperature_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "length":
true_value = length_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "volume":
true_value = volume_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "angle":
true_value = angle_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "thermal_K":
true_value = Thermal_K_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "HTC":
true_value = HTC_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == None:
true_value = value
validation_range = getattr(self.validation_range,prop_name)
minimum = validation_range[1]
maximum = validation_range[2]
if maximum != None and true_value > maximum:
self.raise_error_message("The value you enter for "+name+" which is "+"%.5g" % true_value+" is higher than recommended maximum value of "+"%.5g" % maximum+". The original value was "+"%.5g" % validation_range[0]+". (all in SI units.)")
elif minimum != None and true_value < minimum:
self.raise_error_message("The value you enter for "+name+" which is "+"%.5g" % true_value+ " is lower than recommended minimum value of "+"%.5g" % minimum+". The original value was "+"%.5g" % validation_range[0]+". (all in SI units.)")
def delete_validation_range(self):
if hasattr(self,"validation_range"):
delattr(self,"validation_range")
self.Delete_validation_range = True
def reverse_button(self):
Message = "This will reverse the series circuits sequence, convert connections of each circuit from counter flow to parallel flow and vice versa, reverse the air distribution (if parallel option is selected), and reverse sub heat exchanger location. are you sure?"
reply = QMessageBox.question(self, 'Message',
Message, QMessageBox.Yes, QMessageBox.No)
if reply == QMessageBox.Yes:
self.reverse_series_circuits()
if hasattr(self,"validation_range"):
self.delete_validation_range()
self.raise_information_message("Circuits sequence reversed!")
def reverse_series_circuits(self):
self.FinTube_circuits = list(reversed(self.FinTube_circuits))
if hasattr(self,"Parallel_Air_Distribution"):
self.Parallel_Air_Distribution = list(reversed(self.Parallel_Air_Distribution))
if self.FinTube_air_direction.currentText() == "Sub Heat Exchanger First":
self.FinTube_air_direction.setCurrentIndex(1)
elif self.FinTube_air_direction.currentText() == "Sub Heat Exchanger Last":
self.FinTube_air_direction.setCurrentIndex(0)
if self.FinTube_mode.currentIndex() == 0:
for i,circuit in enumerate(self.FinTube_circuits):
if hasattr(self.FinTube_circuits[i],"defined"):
if self.FinTube_circuits[i].circuitry == 0:
self.FinTube_circuits[i].circuitry = 1
self.FinTube_circuits[i].circuitry_name = "Parallel"
elif self.FinTube_circuits[i].circuitry == 1:
self.FinTube_circuits[i].circuitry = 0
self.FinTube_circuits[i].circuitry_name = "Counter"
if hasattr(self.FinTube_Sub_Circuit,"defined"):
if self.FinTube_Sub_Circuit.circuitry == 0:
self.FinTube_Sub_Circuit.circuitry = 1
self.FinTube_Sub_Circuit.circuitry_name = "Parallel"
elif self.FinTube_Sub_Circuit.circuitry == 1:
self.FinTube_Sub_Circuit.circuitry = 0
self.FinTube_Sub_Circuit.circuitry_name = "Counter"
self.update_circuits_definition()
def copy_circuit_button(self):
if self.FinTube_series_circuit_copy_from.currentIndex() != -1:
if self.FinTube_series_circuit_copy_to.currentIndex() != -1:
try:
from_id = int(self.FinTube_series_circuit_copy_from.currentText()) - 1
except:
from_id = -2
try:
to_id = int(self.FinTube_series_circuit_copy_to.currentText()) - 1
except:
to_id = -2
if to_id == -2:
if hasattr(self.FinTube_Sub_Circuit,"defined"):
quit_msg = "You will lose all data in saved in sub heat exchanger circuit"
else:
quit_msg = "Are you sure?"
elif hasattr(self.FinTube_circuits[to_id],"defined") and self.FinTube_circuits[to_id].defined == True:
quit_msg = "You will lose all data in saved in cirucit " + str(to_id+1)
else:
quit_msg = "Are you sure?"
reply = QMessageBox.question(self, 'Message',
quit_msg, QMessageBox.Yes, QMessageBox.No)
if reply == QMessageBox.Yes:
self.copy_circuit(from_id,to_id)
if hasattr(self,"validation_range"):
self.delete_validation_range()
else:
self.raise_error_message("Please choose a circuit to copy from first")
else:
self.raise_error_message("Please choose a circuit to copy from first")
def copy_circuit(self,from_id,to_id):
if from_id == to_id:
self.raise_error_message("You can not copy a circuit to itself")
else:
if from_id != -2:
from_circuit = deepcopy(self.FinTube_circuits[from_id])
else:
from_circuit = deepcopy(self.FinTube_Sub_Circuit)
if hasattr(from_circuit,"sub_HX_values"):
delattr(from_circuit,"sub_HX_values")
if to_id != -2:
self.FinTube_circuits[to_id] = from_circuit
else:
self.FinTube_Sub_Circuit = from_circuit
self.FinTube_Sub_Circuit.N_bank = 1
self.FinTube_Sub_Circuit.N_Circuits = 1
self.update_circuits_definition()
self.raise_information_message("Circuit was copied successfully!")
def raise_error_message(self,message):
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText(message)
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def raise_information_message(self,message):
msg = QMessageBox()
msg.setIcon(QMessageBox.Information)
msg.setText(message)
msg.setWindowTitle("Message")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def ok_button(self):
validate = self.validate()
if validate == 0:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please fill all empty fields")
msg.setWindowTitle("Empty Fields!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete all circuits data")
msg.setWindowTitle("Circuit not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Air Flow Distribution")
msg.setWindowTitle("Air Flow Distribution not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 4:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Fan Model Data")
msg.setWindowTitle("Fan Model not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 1:
HX = values()
HX.name = str(self.FinTube_name.text())
HX.solver = str(self.FinTube_solver.currentText())
HX.model = str(self.FinTube_mode.currentText())
if self.FinTube_mode.currentIndex() == 0:
HX.N_segments = int(self.FinTube_N_segments.value())
HX.Accurate = str(self.FinTube_accurate.currentText())
HX.N_series_Circuits = int(self.FinTube_N_series_circuits.value())
HX.HX_Q_tol = float(self.FinTube_HX_Q_tolerance.value())/100
HX.N_iterations = int(self.FinTube_max_N_iterations.value())
if self.FinTube_solver.currentIndex() == 1:
HX.HX_DP_tol = float(self.FinTube_max_DP_error.text())
HX.Air_flow_direction = str(self.FinTube_air_direction.currentText())
if HX.Air_flow_direction == "Sub Heat Exchanger First":
self.FinTube_circuits = [self.FinTube_Sub_Circuit] + self.FinTube_circuits
elif HX.Air_flow_direction == "Sub Heat Exchanger Last":
self.FinTube_circuits.append(self.FinTube_Sub_Circuit)
if self.FinTube_Sub_HX_check.isChecked():
HX.Air_Distribution = self.Parallel_Air_Distribution
else:
if self.FinTube_air_direction.currentIndex() == 0:
HX.Air_Distribution = self.Parallel_Air_Distribution
HX.Fan_model = self.FinTube_fan_model.currentText()
if self.FinTube_fan_model.currentIndex() == 0:
HX.Fan_model_efficiency_exp = self.Fan_Model_Efficiency
elif self.FinTube_fan_model.currentIndex() == 1:
HX.Fan_model_P_exp = self.Fan_Model_Curve_P
HX.Fan_model_DP_exp = self.Fan_Model_Curve_DP
elif self.FinTube_fan_model.currentIndex() == 2:
HX.Fan_model_power_exp = self.Fan_Model_Power
if self.FinTube_air_flowrate_label.isChecked():
HX.Vdot_ha = volume_flowrate_unit_converter(self.FinTube_air_flowrate.text(),self.FinTube_air_flowrate_unit.currentIndex())
elif self.FinTube_air_mass_flowrate_label.isChecked():
HX.mdot_da = mass_flowrate_unit_converter(self.FinTube_air_mass_flowrate.text(),self.FinTube_air_mass_flowrate_unit.currentIndex())
HX.Air_P = pressure_unit_converter(self.FinTube_air_inlet_P.text(),self.FinTube_air_inlet_P_unit.currentIndex())
HX.Air_T = temperature_unit_converter(self.FinTube_air_inlet_T.text(),self.FinTube_air_inlet_T_unit.currentIndex())
HX.Air_RH = float(self.FinTube_air_inlet_RH.value()) / 100
HX.circuits = self.FinTube_circuits
if hasattr(self,"capacity_validation"):
if self.capacity_validation:
HX.capacity_validation_table = self.capacity_validation_table
validation = check_Fintube(HX)
if validation[0] == 1:
self.HX_data = HX
self.close()
elif validation[0] == 2:
reply = QMessageBox.warning(self, 'Warning!',
validation[1]+" Continue?", QMessageBox.Yes |
QMessageBox.No, QMessageBox.No)
if reply == QMessageBox.Yes:
self.HX_data = HX
self.close()
else:
pass
else:
self.raise_error_message(validation[1])
def load_fields(self,HX):
index = self.FinTube_solver.findText(HX.solver, Qt.MatchFixedString)
self.FinTube_solver.setCurrentIndex(index)
index = self.FinTube_mode.findText(HX.model, Qt.MatchFixedString)
self.FinTube_mode.setCurrentIndex(index)
if hasattr(HX,"N_segments"):
self.FinTube_N_segments.setValue(HX.N_segments)
if self.FinTube_mode.currentIndex() == 1:
self.FinTube_N_segments_label.setVisible(False)
self.FinTube_N_segments.setVisible(False)
else:
self.FinTube_N_segments_label.setVisible(True)
self.FinTube_N_segments.setVisible(True)
index = self.FinTube_accurate.findText(HX.Accurate, Qt.MatchFixedString)
self.FinTube_accurate.setCurrentIndex(index)
self.FinTube_name.setText(HX.name)
self.FinTube_N_series_circuits.setValue(HX.N_series_Circuits)
self.FinTube_circuits = HX.circuits
self.N_series_circuits_changed()
self.FinTube_HX_Q_tolerance.setValue(HX.HX_Q_tol*100)
self.FinTube_max_N_iterations.setValue(HX.N_iterations)
if hasattr(HX,'DP_tol'):
self.FinTube_max_DP_error.setText(str(HX.DP_tol))
if HX.Air_flow_direction == "Sub Heat Exchanger First":
self.FinTube_Sub_HX_check.setChecked(True)
self.FinTube_Sub_Circuit = deepcopy(self.FinTube_circuits[0])
print(self.FinTube_Sub_Circuit.defined)
self.FinTube_circuits = self.FinTube_circuits[1:]
elif HX.Air_flow_direction == "Sub Heat Exchanger Last":
self.FinTube_Sub_HX_check.setChecked(True)
self.FinTube_Sub_Circuit = deepcopy(self.FinTube_circuits[-1])
self.FinTube_circuits = self.FinTube_circuits[:-1]
index = self.FinTube_air_direction.findText(HX.Air_flow_direction, Qt.MatchFixedString)
self.FinTube_air_direction.setCurrentIndex(index)
if hasattr(HX,'Air_Distribution'):
self.Parallel_Air_Distribution = HX.Air_Distribution
index = self.FinTube_fan_model.findText(HX.Fan_model, Qt.MatchFixedString)
self.FinTube_fan_model.setCurrentIndex(index)
if hasattr(HX,'Fan_model_efficiency_exp'):
self.Fan_Model_Efficiency = HX.Fan_model_efficiency_exp
if hasattr(HX,'Fan_model_power_exp'):
self.Fan_Model_Power = HX.Fan_model_power_exp
if hasattr(HX,'Fan_model_P_exp'):
self.Fan_Model_Curve_P = HX.Fan_model_P_exp
if hasattr(HX,'Fan_model_DP_exp'):
self.Fan_Model_Curve_DP = HX.Fan_model_DP_exp
if hasattr(HX,"Vdot_ha"):
self.FinTube_air_flowrate.setText('%s' % float('%.5g' % (HX.Vdot_ha)))
self.FinTube_air_flowrate_label.setChecked(True)
elif hasattr(HX,"mdot_da"):
self.FinTube_air_mass_flowrate.setText('%s' % float('%.5g' % (HX.mdot_da)))
self.FinTube_air_mass_flowrate_label.setChecked(True)
self.FinTube_air_inlet_P.setText('%s' % float('%.5g' % (HX.Air_P)))
self.FinTube_air_inlet_T.setText('%s' % float('%.5g' % (HX.Air_T-273.15)))
self.FinTube_air_inlet_RH.setValue(HX.Air_RH*100)
self.update_circuits_definition()
def load_button(self):
path = QFileDialog.getOpenFileName(self, 'Open Fin Tube HX file',directory=load_last_location(),filter="Heat Exchanger file (*.hx);;All files (*.*)")[0]
if path != "":
save_last_location(path)
result = read_Fin_tube(path)
if result[0]:
try:
HX = result[1]
self.load_fields(HX)
msg = QMessageBox()
msg.setIcon(QMessageBox.Information)
msg.setText("The file was loaded successfully")
msg.setWindowTitle("Success!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
except:
import traceback
print(traceback.format_exc())
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("File could not be loaded")
msg.setWindowTitle("Sorry!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("File could not be loaded")
msg.setWindowTitle("Sorry!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def save_button(self):
validate = self.validate()
if validate == 0:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please fill all empty fields")
msg.setWindowTitle("Empty Fields!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete all circuits data")
msg.setWindowTitle("Circuit not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Air Flow Distribution")
msg.setWindowTitle("Air Flow Distribution not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 4:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Fan Model Data")
msg.setWindowTitle("Fan Model not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 1:
path = QFileDialog.getSaveFileName(self, caption='Save Fin Tube HX file',directory=load_last_location(),filter="Heat Exchanger file (*.hx);;All files (*.*)")[0]
if path != "":
save_last_location(path)
if path[-3:].lower() != ".hx":
path = path+".hx"
HX = values()
HX.name = str(self.FinTube_name.text())
HX.solver = str(self.FinTube_solver.currentText())
HX.model = str(self.FinTube_mode.currentText())
if self.FinTube_mode.currentIndex() == 0:
HX.N_segments = int(self.FinTube_N_segments.value())
HX.Accurate = str(self.FinTube_accurate.currentText())
HX.N_series_Circuits = int(self.FinTube_N_series_circuits.value())
HX.HX_Q_tol = float(self.FinTube_HX_Q_tolerance.value())/100
HX.N_iterations = int(self.FinTube_max_N_iterations.value())
if self.FinTube_solver.currentIndex() == 1:
HX.HX_DP_tol = pressure_unit_converter(self.FinTube_max_DP_error.text(),self.FinTube_max_DP_error_unit.currentIndex())
HX.Air_flow_direction = str(self.FinTube_air_direction.currentText())
if HX.Air_flow_direction == "Sub Heat Exchanger First":
self.FinTube_circuits = [self.FinTube_Sub_Circuit] + self.FinTube_circuits
elif HX.Air_flow_direction == "Sub Heat Exchanger Last":
self.FinTube_circuits.append(self.FinTube_Sub_Circuit)
if self.FinTube_Sub_HX_check.isChecked():
HX.Air_Distribution = self.Parallel_Air_Distribution
else:
if self.FinTube_air_direction.currentIndex() == 0:
HX.Air_Distribution = self.Parallel_Air_Distribution
HX.Fan_model = self.FinTube_fan_model.currentText()
if self.FinTube_fan_model.currentIndex() == 0:
HX.Fan_model_efficiency_exp = self.Fan_Model_Efficiency
elif self.FinTube_fan_model.currentIndex() == 1:
HX.Fan_model_P_exp = self.Fan_Model_Curve_P
HX.Fan_model_DP_exp = self.Fan_Model_Curve_DP
elif self.FinTube_fan_model.currentIndex() == 2:
HX.Fan_model_power_exp = self.Fan_Model_Power
if self.FinTube_air_flowrate_label.isChecked():
HX.Vdot_ha = volume_flowrate_unit_converter(self.FinTube_air_flowrate.text(),self.FinTube_air_flowrate_unit.currentIndex())
elif self.FinTube_air_mass_flowrate_label.isChecked():
HX.mdot_da = mass_flowrate_unit_converter(self.FinTube_air_mass_flowrate.text(),self.FinTube_air_mass_flowrate_unit.currentIndex())
HX.Air_P = pressure_unit_converter(self.FinTube_air_inlet_P.text(),self.FinTube_air_inlet_P_unit.currentIndex())
HX.Air_T = temperature_unit_converter(self.FinTube_air_inlet_T.text(),self.FinTube_air_inlet_T_unit.currentIndex())
HX.Air_RH = float(self.FinTube_air_inlet_RH.value()) / 100
HX.circuits = self.FinTube_circuits
result = write_Fin_tube(HX,path)
if result:
msg = QMessageBox()
msg.setIcon(QMessageBox.Information)
msg.setText("The file was saved successfully")
msg.setWindowTitle("Success!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("File could not be saved")
msg.setWindowTitle("Sorry!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def FinTube_define_circuit(self):
FinTube_Circuit_dialog = FinTube_Circuit_Window()
FinTube_Circuit_dialog.setFocusPolicy(Qt.StrongFocus)
if self.FinTube_mode.currentIndex() == 1:
FinTube_Circuit_dialog.FinTube_circuit_circuitry.setEnabled(False)
FinTube_Circuit_dialog.FinTube_circuit_tube_staggering.setEnabled(False)
if hasattr(self.FinTube_circuits[int(self.FinTube_series_circuit_define.currentIndex())],"defined"):
Circuit = self.FinTube_circuits[int(self.FinTube_series_circuit_define.currentIndex())]
if self.FinTube_mode.currentIndex() == 1:
FinTube_Circuit_dialog.FinTube_circuit_circuitry_label.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_circuitry.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_circuitry_button.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_tube_staggering.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_tube_staggering_label.setVisible(False)
FinTube_Circuit_dialog.load_fields(Circuit)
if hasattr(self,"validation_range"):
circuit_num = self.FinTube_series_circuit_define.currentIndex()
if hasattr(self.validation_range,"Circuits_"+str(circuit_num)):
FinTube_Circuit_dialog.validation_range = getattr(self.validation_range,"Circuits_"+str(circuit_num))
FinTube_Circuit_dialog.enable_range_validation()
FinTube_Circuit_dialog.exec_()
if FinTube_Circuit_dialog.Delete_validation_range:
self.delete_validation_range()
if hasattr(FinTube_Circuit_dialog,"Circuit_info"):
self.FinTube_circuits[int(self.FinTube_series_circuit_define.currentIndex())] = FinTube_Circuit_dialog.Circuit_info
self.update_circuits_definition()
def FinTube_define_sub_circuit(self):
FinTube_Circuit_dialog = FinTube_Circuit_Window()
FinTube_Circuit_dialog.setFocusPolicy(Qt.StrongFocus)
if self.FinTube_mode.currentIndex() == 1:
FinTube_Circuit_dialog.FinTube_circuit_circuitry.setEnabled(False)
FinTube_Circuit_dialog.FinTube_circuit_tube_staggering.setEnabled(False)
if hasattr(self.FinTube_Sub_Circuit,"defined"):
Circuit = self.FinTube_Sub_Circuit
if self.FinTube_mode.currentIndex() == 1:
FinTube_Circuit_dialog.FinTube_circuit_circuitry_label.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_circuitry.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_circuitry_button.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_tube_staggering.setVisible(False)
FinTube_Circuit_dialog.FinTube_circuit_tube_staggering_label.setVisible(False)
FinTube_Circuit_dialog.load_fields(Circuit)
if hasattr(self,"validation_range"):
if self.FinTube_air_direction.currentIndex() == 0:
circuit_num = 0
else:
circuit_num = len(self.FinTube_circuits)+1
if hasattr(self.validation_range,"Circuits_"+str(circuit_num)):
FinTube_Circuit_dialog.validation_range = getattr(self.validation_range,"Circuits_"+str(circuit_num))
FinTube_Circuit_dialog.enable_range_validation()
FinTube_Circuit_dialog.enable_sub_HX()
FinTube_Circuit_dialog.exec_()
if FinTube_Circuit_dialog.Delete_validation_range:
self.delete_validation_range()
if hasattr(FinTube_Circuit_dialog,"Circuit_info"):
self.FinTube_Sub_Circuit = FinTube_Circuit_dialog.Circuit_info
self.update_circuits_definition()
def validate(self):
if str(self.FinTube_name.text()).strip() in ["","-","."]:
return 0
if self.FinTube_solver.currentIndex() == 1:
if str(self.FinTube_max_DP_error.text()).strip() in ["","-","."]:
return 0
if self.FinTube_air_flowrate_label.isChecked():
if str(self.FinTube_air_flowrate.text()).strip() in ["","-","."]:
return 0
elif self.FinTube_air_mass_flowrate_label.isChecked():
if str(self.FinTube_air_mass_flowrate.text()).strip() in ["","-","."]:
return 0
if str(self.FinTube_air_inlet_P.text()).strip() in ["","-","."]:
return 0
if str(self.FinTube_air_inlet_T.text()).strip() in ["","-","."]:
return 0
for circuit in self.FinTube_circuits:
if not hasattr(circuit,"defined"):
return 2
elif circuit.defined == False:
return 2
if self.FinTube_Sub_HX_check.isChecked():
if not hasattr(self.FinTube_Sub_Circuit,'defined'):
return 2
if self.FinTube_Sub_HX_check.isChecked():
if not hasattr(self,"Parallel_Air_Distribution"):
return 3
else:
if self.FinTube_air_direction.currentIndex() == 0:
if not hasattr(self,"Parallel_Air_Distribution"):
return 3
if self.FinTube_fan_model.currentIndex() == 0:
if not hasattr(self,"Fan_Model_Efficiency"):
return 4
elif self.FinTube_fan_model.currentIndex() == 1:
if not hasattr(self,"Fan_Model_Curve_P"):
return 4
if not hasattr(self,"Fan_Model_Curve_DP"):
return 4
elif self.FinTube_fan_model.currentIndex() == 2:
if not hasattr(self,"Fan_Model_Power"):
return 4
return 1
def FinTube_fan_model_changed(self):
if hasattr(self,"Fan_Model_Efficiency"):
delattr(self,"Fan_Model_Efficiency")
if hasattr(self,"Fan_Model_Power"):
delattr(self,"Fan_Model_Power")
if hasattr(self,"Fan_Model_Curve_P"):
delattr(self,"Fan_Model_Curve_P")
if hasattr(self,"Fan_Model_Curve_DP"):
delattr(self,"Fan_Model_Curve_DP")
if self.FinTube_fan_model.currentIndex() == 1:
self.FinTube_air_flowrate_label.setText("Initial Guess for Inlet Humid Air Volume Flow Rate")
self.FinTube_air_mass_flowrate_label.setText("Initial Guess for Inlet Dry Air Mass Flow Rate")
else:
self.FinTube_air_flowrate_label.setText("Inlet Humid Air Volume Flow Rate")
self.FinTube_air_mass_flowrate_label.setText("Inlet Dry Air Mass Flow Rate")
def FinTube_fan_model_definition(self):
if self.FinTube_fan_model.currentIndex() == 0:
FinTube_Fan_Model_Efficiency_dialog = FinTube_Fan_Model_Efficiency(self)
FinTube_Fan_Model_Efficiency_dialog.setFocusPolicy(Qt.StrongFocus)
if hasattr(self,"Fan_Model_Efficiency"):
FinTube_Fan_Model_Efficiency_dialog.FinTube_efficiency_exp.setText(self.Fan_Model_Efficiency)
FinTube_Fan_Model_Efficiency_dialog.exec_()
if hasattr(FinTube_Fan_Model_Efficiency_dialog,"eff_exp"):
self.Fan_Model_Efficiency = str(FinTube_Fan_Model_Efficiency_dialog.eff_exp)
elif self.FinTube_fan_model.currentIndex() == 1:
FinTube_Fan_Model_Curve_dialog = FinTube_Fan_Model_Curve(self)
if hasattr(self,"Fan_Model_Curve_P"):
FinTube_Fan_Model_Curve_dialog.FinTube_P_exp.setText(self.Fan_Model_Curve_P)
if hasattr(self,"Fan_Model_Curve_DP"):
FinTube_Fan_Model_Curve_dialog.FinTube_DP_exp.setText(self.Fan_Model_Curve_DP)
FinTube_Fan_Model_Curve_dialog.exec_()
if hasattr(FinTube_Fan_Model_Curve_dialog,"P_exp"):
self.Fan_Model_Curve_P = str(FinTube_Fan_Model_Curve_dialog.P_exp)
if hasattr(FinTube_Fan_Model_Curve_dialog,"DP_exp"):
self.Fan_Model_Curve_DP = str(FinTube_Fan_Model_Curve_dialog.DP_exp)
elif self.FinTube_fan_model.currentIndex() == 2:
FinTube_Fan_Model_Power_dialog = FinTube_Fan_Model_Power(self)
FinTube_Fan_Model_Power_dialog.setFocusPolicy(Qt.StrongFocus)
if hasattr(self,"Fan_Model_Power"):
FinTube_Fan_Model_Power_dialog.FinTube_power_exp.setText(self.Fan_Model_Power)
FinTube_Fan_Model_Power_dialog.exec_()
if hasattr(FinTube_Fan_Model_Power_dialog,"power_exp"):
self.Fan_Model_Power = str(FinTube_Fan_Model_Power_dialog.power_exp)
def FinTube_air_parallel_distribution_definition(self):
N = int(self.FinTube_N_series_circuits.value())
FinTube_air_parallel_distribution_dialog = FinTube_Air_Distribution(self,N)
FinTube_air_parallel_distribution_dialog.setFocusPolicy(Qt.StrongFocus)
if hasattr(self,"Parallel_Air_Distribution"):
for col in range(N):
FinTube_air_parallel_distribution_dialog.FinTube_Distrubution.setItem(0, col, QTableWidgetItem(str(self.Parallel_Air_Distribution[col])))
FinTube_air_parallel_distribution_dialog.exec_()
if hasattr(FinTube_air_parallel_distribution_dialog,"Distribution_Result"):
self.Parallel_Air_Distribution = FinTube_air_parallel_distribution_dialog.Distribution_Result
def FinTube_air_automatic_distribution(self):
qm = QMessageBox
ret = qm.question(self,'Automatic air distribution', "Do you want to set air distribution ratios according to the total number of tubes per bank for each series circuit?", qm.Yes | qm.No)
if ret == qm.Yes:
vertical_tubes = []
Not_defined = False
Warning_N_banks = False
N_bank = 0
for i,circuit in enumerate(self.FinTube_circuits):
if not hasattr(circuit,"defined"):
Not_defined = True
else:
if N_bank == 0:
N_bank = circuit.N_bank
else:
if N_bank != circuit.N_bank:
Warning_N_banks = True
vertical_tubes.append(int(circuit.N_tube_per_bank * circuit.N_Circuits))
if Not_defined:
self.raise_error_message("Please define all series circuits first.")
else:
if Warning_N_banks:
ret = qm.warning(self,'Warning', "Number of banks is not the same in all circuits, contrinue?", qm.Yes | qm.No)
if ret == qm.Yes:
Warning_N_banks = False
if not Warning_N_banks:
ratios = [round(i/sum(vertical_tubes),5) for i in vertical_tubes]
self.Parallel_Air_Distribution = ratios
self.raise_information_message("Ratios has been set successfully!")
def FinTube_solver_changed(self):
if self.FinTube_solver.currentIndex() == 0:
self.FinTube_max_DP_error.setEnabled(False)
self.FinTube_max_DP_error_unit.setEnabled(False)
elif self.FinTube_solver.currentIndex() == 1:
self.FinTube_max_DP_error.setEnabled(True)
self.FinTube_max_DP_error_unit.setEnabled(True)
def FinTube_calculator_calculate(self):
try:
# Air Pressure
if self.FinTube_air_calculator_P_unit.currentText() == "Pa":
Air_Pressure = float(self.FinTube_air_calculator_P.text())
elif self.FinTube_air_calculator_P_unit.currentText() == "kPa":
Air_Pressure = float(self.FinTube_air_calculator_P.text()) * 1e3
elif self.FinTube_air_calculator_P_unit.currentText() == "MPa":
Air_Pressure = float(self.FinTube_air_calculator_P.text()) * 1e6
elif self.FinTube_air_calculator_P_unit.currentText() == "bar":
Air_Pressure = float(self.FinTube_air_calculator_P.text()) * 1e5
elif self.FinTube_air_calculator_P_unit.currentText() == "atm":
Air_Pressure = float(self.FinTube_air_calculator_P.text()) * 101325
elif self.FinTube_air_calculator_P_unit.currentText() == "psi":
Air_Pressure = float(self.FinTube_air_calculator_P.text()) * 6894.76
# Air DBT
if self.FinTube_air_calculator_T_unit.currentText() == "C":
Air_DBT = float(self.FinTube_air_calculator_T.text()) + 273.15
elif self.FinTube_air_calculator_T_unit.currentText() == "K":
Air_DBT = float(self.FinTube_air_calculator_T.text())
elif self.FinTube_air_calculator_T_unit.currentText() == "F":
Air_DBT = (float(self.FinTube_air_calculator_T.text()) - 32) * 5 / 9 + 273.15
# 2nd variable
# WBT
if self.FinTube_air_calculator_option.currentIndex() == 0:
if self.FinTube_air_calculator_2nd_unit.currentText() == "C":
Air_WBT = float(self.FinTube_air_calculator_2nd.text()) + 273.15
elif self.FinTube_air_calculator_2nd_unit.currentText() == "K":
Air_WBT = float(self.FinTube_air_calculator_2nd.text())
elif self.FinTube_air_calculator_2nd_unit.currentText() == "F":
Air_WBT = (float(self.FinTube_air_calculator_2nd.text()) - 32) * 5 / 9 + 273.15
RH = round(HAPropsSI("R","P",Air_Pressure,"T",Air_DBT,"B",Air_WBT) * 100, 2)
# HR
elif self.FinTube_air_calculator_option.currentIndex() == 1:
HR = float(self.FinTube_air_calculator_2nd.text())
RH = round(HAPropsSI("R","P",Air_Pressure,"T",Air_DBT,"W",HR) * 100,2)
self.FinTube_air_calculator_RH.setText(str(RH))
except:
self.FinTube_air_calculator_RH.setText("Not Defined")
def FinTube_calculator_option_changed(self):
if self.FinTube_air_calculator_option.currentIndex() == 0:
self.FinTube_air_calculator_2nd_label.setText("Air Wet Bulb Temperature")
self.FinTube_air_calculator_2nd.clear()
self.FinTube_air_calculator_2nd_unit.clear()
self.FinTube_air_calculator_2nd_unit.addItems(["C","K","F"])
self.FinTube_air_calculator_2nd_unit.adjustSize()
elif self.FinTube_air_calculator_option.currentIndex() == 1:
self.FinTube_air_calculator_2nd_label.setText("Humidity Ratio")
self.FinTube_air_calculator_2nd.clear()
self.FinTube_air_calculator_2nd_unit.clear()
self.FinTube_air_calculator_2nd_unit.addItems(["Kg/Kg","lb/lb"])
self.FinTube_air_calculator_2nd_unit.adjustSize()
def Air_flow_direction_changed(self):
if self.FinTube_air_direction.currentText() in ["Parallel"]:
self.FinTube_air_parallel_distribution_button.setEnabled(True)
self.Automatic_Distribution_button.setEnabled(True)
if hasattr(self,"Parallel_Air_photo"):
self.FinTube_Air_direction_photo.setPixmap(self.Parallel_Air_photo)
else:
self.FinTube_Air_direction_photo.clear()
self.FinTube_Air_direction_photo.setText("Parallel Air Flow Direction Demonistration photo")
elif self.FinTube_air_direction.currentText() == "Series-Parallel":
self.FinTube_air_parallel_distribution_button.setEnabled(False)
self.Automatic_Distribution_button.setEnabled(False)
if hasattr(self,"Series_Parallel_photo"):
self.FinTube_Air_direction_photo.setPixmap(self.Series_Parallel_photo)
else:
self.FinTube_Air_direction_photo.clear()
self.FinTube_Air_direction_photo.setText("Series-Parallel Air Flow Direction Demonistration photo")
elif self.FinTube_air_direction.currentText() == "Series-Counter":
self.FinTube_air_parallel_distribution_button.setEnabled(False)
self.Automatic_Distribution_button.setEnabled(False)
if hasattr(self,"Series_Counter_photo"):
self.FinTube_Air_direction_photo.setPixmap(self.Series_Counter_photo)
else:
self.FinTube_Air_direction_photo.clear()
self.FinTube_Air_direction_photo.setText("Series-Series Air Flow Direction Demonistration photo")
elif self.FinTube_air_direction.currentText() == "Sub Heat Exchanger First":
self.FinTube_air_parallel_distribution_button.setEnabled(True)
self.Automatic_Distribution_button.setEnabled(True)
if hasattr(self,"Sub_HX_first_photo"):
self.FinTube_Air_direction_photo.setPixmap(self.Sub_HX_first_photo)
else:
self.FinTube_Air_direction_photo.clear()
self.FinTube_Air_direction_photo.setText("Sub Heat Exchanger First Flow Direction Demonistration photo")
elif self.FinTube_air_direction.currentText() == "Sub Heat Exchanger Last":
self.FinTube_air_parallel_distribution_button.setEnabled(True)
self.Automatic_Distribution_button.setEnabled(True)
if hasattr(self,"Sub_HX_last_photo"):
self.FinTube_Air_direction_photo.setPixmap(self.Sub_HX_last_photo)
else:
self.FinTube_Air_direction_photo.clear()
self.FinTube_Air_direction_photo.setText("Sub Heat Exchanger Last Air Flow Direction Demonistration photo")
def FinTube_mode_changed(self):
if self.FinTube_mode.currentIndex() == 1:
self.FinTube_N_segments.setVisible(False)
self.FinTube_N_segments_label.setVisible(False)
else:
self.FinTube_N_segments.setVisible(True)
self.FinTube_N_segments_label.setVisible(True)
def N_series_circuits_changed(self):
if hasattr(self,"Parallel_Air_Distribution"):
N = int(self.FinTube_N_series_circuits.value())
self.Parallel_Air_Distribution = [1/N for _ in range(N)]
if self.FinTube_N_series_circuits.value() > self.FinTube_series_circuit_define.count():
while(self.FinTube_series_circuit_define.count() != self.FinTube_N_series_circuits.value()):
self.FinTube_series_circuit_define.addItem(str(self.FinTube_series_circuit_define.count()+1))
self.FinTube_series_circuit_copy_to.addItem(str(self.FinTube_series_circuit_copy_to.count()+1))
self.FinTube_circuits.append(values())
self.update_circuits_definition()
elif self.FinTube_N_series_circuits.value() < self.FinTube_series_circuit_define.count():
while(self.FinTube_series_circuit_define.count() != self.FinTube_N_series_circuits.value()):
self.FinTube_series_circuit_define.removeItem(self.FinTube_series_circuit_define.count()-1)
self.FinTube_series_circuit_copy_to.removeItem(self.FinTube_series_circuit_copy_to.count()-1)
self.FinTube_circuits = self.FinTube_circuits[:-1]
self.update_circuits_definition()
else:
self.update_circuits_definition()
def update_circuits_definition(self):
self.FinTube_series_circuit_copy_from.clear()
self.FinTube_series_circuit_copy_to.clear()
not_defined_list = list(str(i) for i in range(1,len(self.FinTube_circuits) + 1))
if self.FinTube_Sub_HX_check.isChecked():
not_defined_list.append("Sub Heat Exchanger")
self.FinTube_series_circuit_copy_to.addItems(not_defined_list)
defined_list = []
for i,circuit in enumerate(self.FinTube_circuits):
if hasattr(circuit,"defined"):
not_defined_list.remove(str(i+1))
defined_list.append(str(i+1))
if self.FinTube_Sub_HX_check.isChecked():
if hasattr(self.FinTube_Sub_Circuit,"defined"):
defined_list.append("Sub Heat Exchanger")
not_defined_list.remove("Sub Heat Exchanger")
not_defined_string = ", ".join(not_defined_list)
self.FinTube_series_circuits_not_defined.setText(not_defined_string)
self.FinTube_series_circuit_copy_from.addItems(defined_list)
def cancel_button(self):
self.close()
class FinTube_Air_Distribution(QDialog, FROM_FinTube_Air_Distribution):
def __init__(self, parent=None,Number_of_Circuits=1):
class MyDelegate(QItemDelegate):
def createEditor(self, parent, option, index):
return_object = QLineEdit(parent)
only_number = QRegExpValidator(QRegExp("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)"))
return_object.setValidator(only_number)
return return_object
# first UI
self.Number_of_Circuits = Number_of_Circuits
super(FinTube_Air_Distribution, self).__init__(parent)
self.setupUi(self)
self.FinTube_Distrubution.setColumnCount(Number_of_Circuits)
self.FinTube_Distrubution.setHorizontalHeaderLabels(["Circuit "+str(i+1) for i in range(Number_of_Circuits)])
delegate = MyDelegate()
self.FinTube_Distrubution.setItemDelegate(delegate)
for col in range(Number_of_Circuits):
self.FinTube_Distrubution.setItem(0, col, QTableWidgetItem(str(1/Number_of_Circuits)))
self.FinTube_Distrubution_cancel_button.clicked.connect(self.cancel_button)
self.FinTube_Distrubution_ok_button.clicked.connect(self.ok_button)
self.FinTube_Distrubution.installEventFilter(self)
def validate(self):
Total = 0
for col in range(self.Number_of_Circuits):
Total += float(self.FinTube_Distrubution.item(0,col).text())