SIPPCompare/src/platform_edit.py

350 lines
14 KiB
Python

from PyQt6 import uic
from PyQt6.QtCore import QRegularExpression, QRect
from PyQt6.QtGui import QRegularExpressionValidator, QFont, QIcon
from PyQt6.QtWidgets import QWidget, QLabel
import resource_finder
from db_handler import DBHandler
from data_struct import Platform
from widgets.fastedit_spinbox import FastEditQDoubleSpinBox
class PlatformEdit(QWidget):
def __init__(self, plat: Platform):
super().__init__()
# Import Qt Designer UI XML file
uic.loadUi(resource_finder.get_res_path("gui/platform_edit.ui"), self)
self.setWindowIcon(QIcon(resource_finder.get_res_path("icon2.ico")))
# Initialise class variables
self.plat = plat
self.fund_plat_fee = self.plat.fund_plat_fee
self.widgets_list_list = []
if len(self.plat.fund_plat_fee[0]) > 1:
self.fund_fee_rows = len(self.plat.fund_plat_fee[0]) - 1
else:
self.fund_fee_rows = 1
self.required_fields = [
self.share_plat_fee_box,
self.share_deal_fee_box
]
self.optional_fields = [
self.plat_name_box,
self.fund_deal_fee_box,
self.share_plat_max_fee_box,
self.share_deal_reduce_trades_box,
self.share_deal_reduce_amount_box
]
self.optional_check_boxes = [
self.plat_name_check,
self.fund_deal_fee_check,
self.share_plat_max_fee_check,
self.share_deal_reduce_trades_check,
self.share_deal_reduce_amount_check
]
self.check_boxes_ticked = [
True,
True,
False,
False,
False
]
# Set optional checkboxes based on DB storage
if self.plat.plat_name is None:
self.check_boxes_ticked[0] = False
self.plat_name_check.setChecked(False)
else:
self.check_boxes_ticked[0] = True
self.plat_name_check.setChecked(True)
self.plat_name_box.setText(self.plat.plat_name)
if self.plat.fund_deal_fee is None:
self.check_boxes_ticked[1] = False
self.fund_deal_fee_check.setChecked(False)
else:
self.check_boxes_ticked[1] = True
self.fund_deal_fee_check.setChecked(True)
self.fund_deal_fee_box.setValue(self.plat.fund_deal_fee)
self.share_plat_fee_box.setValue(self.plat.share_plat_fee * 100)
if self.plat.share_plat_max_fee is None:
self.check_boxes_ticked[2] = False
self.share_plat_max_fee_check.setChecked(False)
else:
self.check_boxes_ticked[2] = True
self.share_plat_max_fee_check.setChecked(True)
self.share_plat_max_fee_box.setValue(self.plat.share_plat_max_fee)
self.share_deal_fee_box.setValue(self.plat.share_deal_fee)
if self.plat.share_deal_reduce_trades is None:
self.check_boxes_ticked[3] = False
self.share_deal_reduce_trades_check.setChecked(False)
else:
self.check_boxes_ticked[3] = True
self.share_deal_reduce_trades_check.setChecked(True)
self.share_deal_reduce_trades_box.setValue(int(self.plat.share_deal_reduce_trades))
if self.plat.share_deal_reduce_trades is None:
self.check_boxes_ticked[4] = False
self.share_deal_reduce_amount_check.setChecked(False)
else:
self.check_boxes_ticked[4] = True
self.share_deal_reduce_amount_check.setChecked(True)
self.share_deal_reduce_amount_box.setValue(self.plat.share_deal_reduce_amount)
# Populate fund platform fee rows from DB
if len(self.plat.fund_plat_fee[0]) > 1:
self.first_tier_box.setValue(self.plat.fund_plat_fee[0][1])
self.first_tier_fee_box.setValue(self.plat.fund_plat_fee[1][1])
self.add_row(loading=True)
# Handle events
for field in self.required_fields:
field.valueChanged.connect(self.check_valid)
for field in self.optional_fields:
field_type = field.staticMetaObject.className()
if field_type == "QLineEdit":
field.textChanged.connect(self.check_valid)
elif field_type == "FastEditQDoubleSpinBox" or field_type == "FastEditQSpinBox":
field.valueChanged.connect(self.check_valid)
for check_box in self.optional_check_boxes:
check_box.checkStateChanged.connect(self.check_valid)
self.first_tier_box.valueChanged.connect(self.check_valid)
self.first_tier_fee_box.valueChanged.connect(self.check_valid)
self.first_tier_box.valueChanged.connect(self.update_tier_labels)
# NOTE: Signal defined in UI file to close window when save button clicked
self.save_but.clicked.connect(self.init_variables)
self.add_row_but.clicked.connect(self.add_row)
self.del_row_but.clicked.connect(self.remove_row)
# Set validators
# Regex accepts any characters that match [a-Z], [0-9] or _
self.plat_name_box.setValidator(
QRegularExpressionValidator(QRegularExpression("\\w*"))
)
def create_plat_fee_struct(self) -> list:
plat_fee_struct = [[0], [0]]
plat_fee_struct[0].append(self.first_tier_box.value())
plat_fee_struct[1].append(self.first_tier_fee_box.value())
for i in range(len(self.widgets_list_list)):
band = self.widgets_list_list[i][1].value()
fee = self.widgets_list_list[i][3].value()
plat_fee_struct[0].append(band)
plat_fee_struct[1].append(fee)
return plat_fee_struct
# Get fee structure variables from user input when "Save" clicked
def init_variables(self):
self.plat.fund_plat_fee = self.create_plat_fee_struct()
self.plat.share_plat_fee = float(self.share_plat_fee_box.value()) / 100
self.plat.share_deal_fee = float(self.share_deal_fee_box.value())
if self.check_boxes_ticked[0]:
self.plat.plat_name = self.plat_name_box.text()
else:
self.plat.plat_name = None
if self.check_boxes_ticked[1]:
self.plat.fund_deal_fee = float(self.fund_deal_fee_box.value())
else:
self.plat.fund_deal_fee = None
if self.check_boxes_ticked[2]:
self.plat.share_plat_max_fee = float(self.share_plat_max_fee_box.value())
else:
self.plat.share_plat_max_fee = None
if self.check_boxes_ticked[3]:
self.plat.share_deal_reduce_trades = int(self.share_deal_reduce_trades_box.value())
else:
self.plat.share_deal_reduce_trades = None
if self.check_boxes_ticked[4]:
self.plat.share_deal_reduce_amount = float(self.share_deal_reduce_amount_box.value())
else:
self.plat.share_deal_reduce_amount = None
# This method does multiple things in order to validate the user's inputs:
# 1) Check all required fields have a non-zero value
# 2) If an optional checkbox is toggled: toggle editing of the corresponding field
# 3) Check all optional fields the user has picked have a non-zero value
# 4) If the above two conditions are met (1 & 3), make the 'Save' button clickable
# 5) Keep a record of which optional fields the user has chosen to fill in
# It's called when an optional check box emits a checkStateChanged() signal
# It's also called when any field emits a textChanged() or valueChanged() signal
def check_valid(self):
valid = True
tiers_valid = True
# Check all required fields have a non-zero value
for field in self.required_fields:
if field.value() == 0:
valid = False
for i in range(len(self.optional_check_boxes)):
# Find the coordinates of the input box corresponding to the checkbox
# It will be on the same row, in the column to the left (-1)
check_box_idx = self.gridLayout.indexOf(self.optional_check_boxes[i])
check_box_pos = self.gridLayout.getItemPosition(check_box_idx)
input_box_pos = list(check_box_pos)[:2]
input_box_pos[1] -= 1
# Return copy of input field widget from its coordinates
input_box_item = self.gridLayout.itemAtPosition(input_box_pos[0], input_box_pos[1]).widget()
if self.optional_check_boxes[i].isChecked():
input_box_item.setEnabled(True)
self.check_boxes_ticked[i] = True
input_box_type = input_box_item.staticMetaObject.className()
if input_box_type == "QLineEdit":
if input_box_item.text() == "":
valid = False
elif input_box_type == "FastEditQDoubleSpinBox" or input_box_type == "FastEditQSpinBox":
if input_box_item.value() == 0:
valid = False
else:
input_box_item.setEnabled(False)
self.check_boxes_ticked[i] = False
if self.first_tier_fee_box.value() == 0:
tiers_valid = False
if self.fund_fee_rows > 1:
if self.widgets_list_list[0][1].value() <= self.first_tier_box.value():
tiers_valid = False
if self.widgets_list_list[0][3].value() == 0:
tiers_valid = False
for i in range(len(self.widgets_list_list) - 1, 0, -1):
if self.widgets_list_list[i][1].value() <= self.widgets_list_list[i-1][1].value():
tiers_valid = False
if self.widgets_list_list[i][3].value() == 0:
tiers_valid = False
if tiers_valid and self.fund_fee_rows < 6:
self.add_row_but.setEnabled(True)
else:
self.add_row_but.setEnabled(False)
if valid and tiers_valid:
self.save_but.setEnabled(True)
else:
self.save_but.setEnabled(False)
def update_tier_labels(self):
if self.fund_fee_rows > 1:
prev_value = self.first_tier_box.value()
self.widgets_list_list[0][0].setText(f"between £{int(prev_value)} and")
for i in range(len(self.widgets_list_list) - 1, 0, -1):
prev_value = self.widgets_list_list[i-1][1].value()
self.widgets_list_list[i][0].setText(f"between £{int(prev_value)} and")
if self.fund_fee_rows > 1:
max_band = self.widgets_list_list[self.fund_fee_rows - 2][1].value()
else:
max_band = self.first_tier_box.value()
self.val_above_lab.setText(f"on the value above £{int(max_band)} there is no charge")
def add_row(self, loading: bool = False):
if loading:
rows_needed = self.fund_fee_rows - 1
else:
rows_needed = 1
for x in range(rows_needed):
widgets = []
font = QFont()
font.setPointSize(11)
widgets.append(QLabel(self.gridLayoutWidget_2))
widgets[0].setFont(font)
widgets.append(FastEditQDoubleSpinBox(self.gridLayoutWidget_2))
widgets[1].setPrefix("£")
widgets[1].setMaximum(9999999)
widgets[1].setButtonSymbols(FastEditQDoubleSpinBox.ButtonSymbols.NoButtons)
widgets[1].setFont(font)
if loading:
widgets[1].setValue(self.plat.fund_plat_fee[0][x+2])
widgets[1].valueChanged.connect(self.check_valid)
widgets[1].valueChanged.connect(self.update_tier_labels)
widgets.append(QLabel(self.gridLayoutWidget_2))
widgets[2].setText(f"the fee is")
widgets[2].setFont(font)
widgets.append(FastEditQDoubleSpinBox(self.gridLayoutWidget_2))
widgets[3].setSuffix("%")
widgets[3].setMaximum(100)
widgets[3].setButtonSymbols(FastEditQDoubleSpinBox.ButtonSymbols.NoButtons)
widgets[3].setFont(font)
if loading:
widgets[3].setValue(self.plat.fund_plat_fee[1][x+2])
widgets[3].valueChanged.connect(self.check_valid)
if loading:
grid_height = int(round(28.5 * self.fund_fee_rows))
else:
grid_height = int(round(28.5 * (self.fund_fee_rows + 1)))
self.gridLayoutWidget_2.setGeometry(QRect(11, 309, 611, grid_height))
for i in range(len(widgets)):
if loading:
self.gridLayout_2.addWidget(widgets[i], x + 1, i, 1, 1)
else:
self.gridLayout_2.addWidget(widgets[i], self.fund_fee_rows, i, 1, 1)
if not loading:
self.fund_fee_rows += 1
self.widgets_list_list.append(widgets)
cur_label_idx = self.gridLayout_2.indexOf(widgets[0])
cur_box_idx = self.gridLayout_2.indexOf(widgets[1])
cur_label_pos = list(self.gridLayout_2.getItemPosition(cur_label_idx))[:2]
cur_box_pos = list(self.gridLayout_2.getItemPosition(cur_box_idx))[:2]
prev_box_row = cur_box_pos[0] - 1
prev_box_item = self.gridLayout_2.itemAtPosition(prev_box_row, cur_box_pos[1]).widget()
cur_label_item = self.gridLayout_2.itemAtPosition(cur_label_pos[0], cur_label_pos[1]).widget()
cur_label_item.setText(f"between £{int(prev_box_item.value())} and")
if self.fund_fee_rows > 1:
self.del_row_but.setEnabled(True)
if self.fund_fee_rows > 5:
self.add_row_but.setEnabled(False)
self.check_valid()
self.update_tier_labels()
# TODO: Tab/focus order
def remove_row(self):
for widget in self.widgets_list_list[self.fund_fee_rows - 2]:
self.gridLayout_2.removeWidget(widget)
widget.hide()
self.widgets_list_list.pop()
self.fund_fee_rows -= 1
self.gridLayoutWidget_2.setGeometry(11, 309, 611, int(round(28.5 * self.fund_fee_rows, 0)))
if self.fund_fee_rows < 2:
self.del_row_but.setEnabled(False)
if self.fund_fee_rows < 6:
self.add_row_but.setEnabled(True)
self.check_valid()
self.update_tier_labels()