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MainGUI.py
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MainGUI.py
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from datetime import datetime
import sys
from PyQt5.QtWidgets import QMainWindow, QApplication, QHeaderView, QLabel, QPushButton, \
QDialog, QFormLayout, QWidget, QGridLayout, QLineEdit, \
QMessageBox, QTextEdit, QTableWidget, QTableWidgetItem, QRadioButton, QInputDialog, \
QToolTip, QComboBox, QMenu, QAction, QActionGroup
from PyQt5.QtGui import QIcon, QFont
from PyQt5 import QtGui, QtCore, QtWebEngineWidgets
from PyQt5.QtGui import QCursor
from sqlite_code import (fake_data, display_table, search_employee, update_employee, insert_data,
create_employee_object, delete_employee, number_of_employee, total_salary, avg_salary_per_pos)
from authenticate import check_user
# send mail
from use_jet_mail import send_email_to_employee, validate_email
# Plotly
import plotly.graph_objects as go
search_values = []
header_dic = {'Employee ID': 'emp_id', 'Name': 'name', 'Lastname': 'lname', 'Age': 'age', 'Salary': 'salary',
'Position': 'position', 'Email': 'email'}
widgets = {'tableWidget': [],
'buttons': [],
'radiobuttons': [],
'searched_table': [],
'employee_fields': [],
'labels': [],
'plots': [],
'logo': []}
SIGNAL_FOR_TEST = True
CURRENT_PAGE = 'Login'
usr = ""
class App(QMainWindow):
def __init__(self):
super().__init__()
self.title = 'HT- Employee Management System'
self.colors = {"background_color": "#161219", "button_color": "white", "table_color": "#161219",
'table_gridline_color': 'green', 'table_text_color': 'white',
'table_item_backgrond_color': 'gray', 'table_item_selected_background_color': '#161219',
'table_item_selected_color': 'white', 'button_border_color': '#660000',
'button_text_color': 'white', 'button_on_hover_bacground_color': '#660000',
'textbox_color': 'black', 'textbox_border': 'gray', 'textbox_background': 'white',
'label_color': 'white', 'radiobutton_text_color': 'white', 'popup_background_color': '#161219',
'popup_text_color': 'white', 'table_item_border_color': 'white',
'search_textbox_border_color': 'gray', 'input_dialog_background_color': '#161219',
'input_dialog_text_color': 'white'}
self.font = "Bookman Old Style"
self.width = 1200
self.height = 800
# self.layout=QGridLayout()
widget = QWidget()
self.layout = QGridLayout()
self.font_size = "20px"
widget.setLayout(self.layout)
self.setCentralWidget(widget)
# layout.addWidget(b1)
self.timer = QtCore.QTimer()
self.initui()
def initui(self):
self.setWindowTitle(self.title)
# App Icon
self.setWindowIcon(QtGui.QIcon('app-icon.ico'))
self.setFixedWidth(self.width)
self.setFixedHeight(self.height)
self.setGeometry(300, 300, 300, 200)
self.move(420, 70)
self.setWindowTitle(self.title)
self.setStyleSheet("font-size:%s;background-color: %s;font-family:%s" % (
self.font_size, self.colors['background_color'], self.font))
bar = self.menuBar()
# Profile File Menu
file_menu = bar.addMenu('Profile')
display_profile_btn = QAction('Profile Info', self)
# Theme File Menu
file_menu3 = bar.addMenu('Theme')
light_mode = QAction('Light Mode', checkable=True)
dark_mode = QAction('Dark Mode', checkable=True)
# Font File menu
file_menu2 = bar.addMenu('Font')
bookman_font = QAction('Bookman Old', checkable=True)
arial_font = QAction('Arial', checkable=True)
times_font = QAction('Times', checkable=True)
comic_font = QAction('Comic', checkable=True)
file_menu.addAction(display_profile_btn)
file_menu3.addAction(light_mode)
file_menu3.addAction(dark_mode)
file_menu2.addAction(bookman_font)
file_menu2.addAction(arial_font)
file_menu2.addAction(times_font)
file_menu2.addAction(comic_font)
# Grouping Theme buttons
action_group = QActionGroup(self)
action_group.addAction(light_mode)
action_group.addAction(dark_mode)
# Grouping Font buttons
action_group2 = QActionGroup(self)
action_group2.addAction(bookman_font)
action_group2.addAction(arial_font)
action_group2.addAction(times_font)
action_group2.addAction(comic_font)
bar.setStyleSheet("*{color:'black';background-color:'white'}")
# Connect Menu Bar buttons
light_mode.triggered.connect(self.light_mode_screen)
dark_mode.triggered.connect(self.dark_mode_screen)
bookman_font.triggered.connect(self.use_bookman_font)
arial_font.triggered.connect(self.use_arial_font)
times_font.triggered.connect(self.use_times_font)
comic_font.triggered.connect(self.use_comic_font)
display_profile_btn.triggered.connect(self.display_profile_dialog)
self.login_page()
# to show window
self.show()
def use_comic_font(self):
self.font = "Comic Sans MS"
self.check_page()
def use_bookman_font(self):
self.font = "Bookman Old Style"
self.check_page()
def use_times_font(self):
self.font = "Times"
self.check_page()
def use_arial_font(self):
self.font = "Arial"
self.check_page()
def light_mode_screen(self):
self.colors = {"background_color": "white", "button_color": "black", "table_color": "white",
'table_gridline_color': 'black', 'table_text_color': 'black',
'table_item_backgrond_color': 'skyblue', 'table_item_selected_background_color': '#F5F5F5',
'table_item_selected_color': 'black', 'bar_text_color': 'black', 'button_border_color': 'black',
'button_text_color': 'black', 'button_on_hover_bacground_color': 'skyblue',
'textbox_border': 'black', 'textbox_color': 'black', 'textbox_background': 'white',
'label_color': 'black', 'radiobutton_text_color': 'black', 'popup_background_color': 'white',
'popup_text_color': 'black', 'table_item_border_color': 'black',
'search_textbox_border_color': 'black', 'input_dialog_background_color': 'white',
'input_dialog_text_color': 'black'}
self.setStyleSheet("font-size:%s;background-color: %s;font-family:%s" % (
self.font_size, self.colors['background_color'], self.font))
self.check_page()
def dark_mode_screen(self):
self.colors = {"background_color": "#161219", "button_color": "white", "table_color": "#161219",
'table_gridline_color': 'green', 'table_text_color': 'white',
'table_item_backgrond_color': 'gray', 'table_item_selected_background_color': '#161219',
'table_item_selected_color': 'white', 'button_border_color': '#660000',
'button_text_color': 'white', 'button_on_hover_bacground_color': '#660000',
'textbox_border': 'gray', 'textbox_color': 'black', 'textbox_background': 'white',
'label_color': 'white', 'radiobutton_text_color': 'white', 'popup_background_color': '#161219',
'popup_text_color': 'white', 'table_item_border_color': 'white',
'search_textbox_border_color': 'gray', 'input_dialog_background_color': '#161219',
'input_dialog_text_color': 'white'}
self.setStyleSheet("font-size:%s;background-color: %s;font-family:%s" % (
self.font_size, self.colors['background_color'], self.font))
self.check_page()
# start of Fake Data Generator methods
def generator(self, sql_list):
for q in sql_list:
yield q
def prepare_data_from_sql(self):
global SIGNAL_FOR_TEST
if SIGNAL_FOR_TEST:
fake_data()
SIGNAL_FOR_TEST = False
sql_list = display_table()
gen = self.generator(sql_list)
return gen, len(sql_list)
# end of Fake Data Generator methods
# Start of Drawing Methods
def draw_table(self, row_numbers):
tablewidget = QTableWidget()
tablewidget.setStyleSheet("QTableView{color: %s;" % (self.colors['table_text_color']) +
"border: 1px solid gray;" +
"background-color: %s;" % (self.colors['table_color']) +
"gridline-color: %s;" % (self.colors['table_gridline_color']) +
"font-family:'%s';}" % self.font +
"QTableView::item:focus{background-color:%s;border: 1px solid %s;"
"margin-left: 10px;margin-right: 10px;}" % (
self.colors['table_item_backgrond_color'], self.colors['table_item_border_color']) +
"QHeaderView::section{background-color:%s;font-family:%s;" % (
self.colors['table_item_selected_background_color'], self.font) +
"color:%s}" % (self.colors['table_item_selected_color']))
tablewidget.verticalHeader().hide()
tablewidget.setEditTriggers(tablewidget.NoEditTriggers)
tablewidget.setRowCount(row_numbers)
tablewidget.setColumnCount(7)
tablewidget.setFixedWidth(1170)
header = tablewidget.horizontalHeader()
for i in range(7):
header.setSectionResizeMode(i, QHeaderView.Stretch)
tablewidget.setHorizontalHeaderLabels(['Employee ID', 'Name', 'Lastname', "Age", "Salary", 'Position', 'Email'])
tablewidget.cellDoubleClicked.connect(self.display_update_query_popup)
tablewidget.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
tablewidget.customContextMenuRequested.connect(self.display_right_clicked_menu)
widgets['tableWidget'].append(tablewidget)
return tablewidget
def draw_form_dialog(self, employee_name, employee_lname, email_address):
box = QDialog()
box.setStyleSheet("font-size:%s;background: %s;color:%s;font-family:%s;" % (
self.font_size, self.colors['popup_background_color'], self.colors['popup_text_color'], self.font))
box.setWindowIcon(QtGui.QIcon('send-data.png'))
box.setWindowTitle("Send Email to Employee")
box.setWhatsThis("Provide subject and message to send email")
email_address_label = QLabel(email_address)
email_subject = QLineEdit()
email_message = QTextEdit()
# primary_key_type = QComboBox()
# column_names = QLineEdit('name,age', )
# column_types = QLineEdit('text,integer', )
# primary_key_type.addItems(["text", "integer", "date"])
#
send_btn = QPushButton("Send Email")
cancel_btn = QPushButton("Cancel")
lay = QFormLayout(box)
lay.addRow("Email: ", email_address_label)
lay.addRow("Subject:", email_subject)
lay.addRow("Message", email_message)
# lay.addRow("Primary key Data Type:", primary_key_type)
# lay.addRow("Other Column Names(e.g name,age):", column_names)
# lay.addRow("Other Column Data Types(e.g text,integer):", column_types)
lay.addRow(send_btn)
lay.addRow(cancel_btn)
send_btn.clicked.connect(
lambda: self.get_info_for_sending_email(box, employee_name, employee_lname, email_address,
email_subject.text(), email_message.toPlainText()))
cancel_btn.clicked.connect(box.reject)
# lay.addWidget(first)
return box
def draw_textbox(self, place_holder="", text=""):
field = QLineEdit(text)
field.setPlaceholderText(place_holder)
field.setFixedWidth(160)
field.setStyleSheet("QLineEdit{color: %s;" % (self.colors['textbox_color']) +
"border: 3px solid %s;" % (self.colors['textbox_border']) +
"background-color: %s;" % (self.colors['textbox_background']) +
"margin-right:f'{margin-right}' !important;" +
"height:30px;" +
'font-size:18px;' +
"font-family:'%s';}" % self.font
)
widgets['employee_fields'].append(field)
return field
def draw_label(self, label_text, width=760, height=300, font_size=25, alignment=QtCore.Qt.AlignCenter):
label = QLabel()
label.setFixedWidth(width)
label.setFixedHeight(height)
label.setText(label_text)
label.setAlignment(alignment)
label.setStyleSheet("font-family:'%s';" % self.font +
"font-size: %ipx ;" % font_size +
"color: %s;" % (self.colors['label_color']))
widgets['labels'].append(label)
return label
def draw_button(self, btn_text='test', width=165, height=55, icon_path="", tool_tip_text='test'):
QToolTip.setFont(QFont('Bookman Old Style', 10))
btn = QPushButton(btn_text)
btn.setCursor(QCursor(QtCore.Qt.PointingHandCursor))
btn.setFixedWidth(width)
btn.setFixedHeight(height)
btn.setStyleSheet("QPushButton{border: 2px solid '%s';" % (self.colors['button_border_color']) +
"border-radius:45px;" +
"font-size:15px;" +
"color: %s ;" % (self.colors['button_text_color']) +
"padding: 25px 0; " +
"font-family:%s;" % self.font +
"margin:10px 10px ;}" +
"QPushButton:hover{background:'%s';}" % (self.colors['button_on_hover_bacground_color']))
btn.setIcon(QIcon(icon_path))
btn.setToolTip(tool_tip_text)
widgets['buttons'].append(btn)
return btn
def draw_radio_btn(self, text='Text'):
radiobtn = QRadioButton(text)
radiobtn.country = text
radiobtn.setStyleSheet("QRadioButton{color: %s;}" % (self.colors['radiobutton_text_color']) +
"QRadioButton::indicator:checked { color:blue;}"
)
widgets['radiobuttons'].append(radiobtn)
return radiobtn
# End of Drawing Methods
# Start of page view methods
def login_page(self):
logo = self.draw_label('HT Employee Management System', width=1200, font_size=50)
logo.setAlignment(QtCore.Qt.AlignCenter)
widgets['logo'].append(logo)
# button widget
user_name_input = QLineEdit()
user_name_input.setPlaceholderText('Username')
user_name_input.setStyleSheet(
"QLineEdit{" "color:%s; border: 4px solid '#008CBA';border-radius:25px;font-size:25px;padding: 25px 0;"
"margin:20px 350px ;text-align: center;background:%s;font-family:%s;}" % (
self.colors['button_color'], self.colors['background_color'], self.font))
widgets['employee_fields'].append(user_name_input)
password_input = QLineEdit()
password_input.setPlaceholderText('Password')
password_input.setEchoMode(QLineEdit.Password)
password_input.setStyleSheet("*{border: 4px solid '#008CBA';" +
"border-radius:25px;" +
"font-size:25px;" +
"color: '%s';" % (self.colors['button_color']) +
"padding: 25px 0; " +
"font-family:%s;" % self.font +
"background:%s;" % (self.colors['background_color']) +
"margin:20px 350px ;}"
)
user_name_input.setContextMenuPolicy(QtCore.Qt.PreventContextMenu)
password_input.setContextMenuPolicy(QtCore.Qt.PreventContextMenu)
widgets['employee_fields'].append(password_input)
button = QPushButton("Login")
button.setCursor(QCursor(QtCore.Qt.PointingHandCursor))
button.setStyleSheet("*{border: 4px solid '#808000';" +
"font-family:%s;" % self.font +
"border-radius:45px;" +
"font-size:35px;" +
"color: '%s' ;" % (self.colors['button_color']) +
"padding: 25px 0; " +
"margin:20px 250px ;}" +
"*:hover{background:'#808000';}")
widgets['buttons'].append(button)
button.clicked.connect(self.authenticate)
# adding to grid
# in pyqt5 index 0 does not always work, so -1 is better option
self.layout.addWidget(widgets['logo'][-1], 0, 0, 1, 2)
self.layout.addWidget(user_name_input, 1, 0, 1, 2)
self.layout.addWidget(password_input, 2, 0, 1, 2)
self.layout.addWidget(widgets['buttons'][-1], 3, 0, 1, 2)
def home_page(self):
gen, length = self.prepare_data_from_sql()
tablewidget = self.draw_table(length)
for q in range(length):
row = next(gen)
for j in range(len(row)):
tablewidget.setItem(q, j, QTableWidgetItem(str(row[j]), ))
# Creating Buttons
reload_btn = self.draw_button(btn_text='Reload', tool_tip_text="Press to reload the table",
icon_path='reload.png')
logout_btn = self.draw_button(btn_text='Logout', tool_tip_text="Press to logout from the system",
icon_path='logout.png')
search_btn = self.draw_button(btn_text="Search", tool_tip_text="Go to search page", icon_path='search.png')
add_employee_btn = self.draw_button(btn_text="Add Employee", tool_tip_text="Go to add employee page",
icon_path='add_employee.png')
now = datetime.now()
cur_time = now.strftime("%B %d, %Y %H:%M:%S")
welcome_text = self.draw_label("Welcome " + "<b style='color:#32CD32'>" + usr + "</b> ", height=20, width=150,
font_size=17)
date_text = self.draw_label(cur_time, height=25, width=1100,
font_size =17)
# Connecting Buttons
reload_btn.clicked.connect(self.reload_page)
search_btn.clicked.connect(self.go_to_search_page)
add_employee_btn.clicked.connect(self.go_to_add_employee_page)
logout_btn.clicked.connect(self.go_to_login_page)
self.timer.timeout.connect(lambda: self.update_label(date_text))
self.timer.start(1000)
# Draw in Layout for homepage
self.layout.addWidget(welcome_text, 0, 0, 1, 0)
self.layout.addWidget(date_text, 0, 1)
self.layout.addWidget(tablewidget, 1, 0)
self.layout.addWidget(reload_btn, 2, 0)
self.layout.addWidget(logout_btn, 3, 0)
self.layout.addWidget(search_btn, 2, 2)
self.layout.addWidget(add_employee_btn, 3, 2)
def update_label(self,lbl):
now = datetime.now()
cur_time = now.strftime("%B %d, %Y %H:%M:%S")
lbl.setText(cur_time)
def search_page(self):
search_textbox = QLineEdit()
search_textbox.setPlaceholderText("Search by name/lastname/id")
# search_textbox.setCursor(QCursor(QtCore.Qt.PointingHandCursor))
search_textbox.setStyleSheet("QLineEdit{color: black;" +
"border: 2px solid %s;" % (self.colors['search_textbox_border_color']) +
"background-color: white;" +
"margin-right:700px;" +
"height:30px;" +
"font-family:'Bookman Old Style';}"
)
# Drawing Buttons
id_radio_button = self.draw_radio_btn("By ID")
name_radio_button = self.draw_radio_btn("By Name")
last_name_radio_button = self.draw_radio_btn("By Lastname")
search_btn = self.draw_button(btn_text='Search', tool_tip_text='Search the record', icon_path='search.png')
back_btn = self.draw_button(btn_text='Back', tool_tip_text='Back to Home', icon_path='back.png')
# adding an empty table in widgets dictionary
widgets['searched_table'].append(QTableWidget())
widgets['employee_fields'].append(search_textbox)
# connecting search page buttons
back_btn.clicked.connect(self.go_to_home_page)
search_btn.clicked.connect(lambda: self.search_query(search_textbox.text(), [id_radio_button, name_radio_button,
last_name_radio_button]))
# Draw in Layout for searchpage
self.layout.addWidget(search_textbox, 0, 0)
self.layout.addWidget(id_radio_button, 1, 0)
self.layout.addWidget(name_radio_button, 2, 0)
self.layout.addWidget(last_name_radio_button, 3, 0)
self.layout.addWidget(search_btn, 4, 0)
self.layout.addWidget(widgets['searched_table'][0], 5, 0)
self.layout.addWidget(back_btn, 6, 0)
def plot_page(self):
browser = QtWebEngineWidgets.QWebEngineView(self)
browser.setContextMenuPolicy(QtCore.Qt.NoContextMenu)
employee_plt_btn = self.draw_button(btn_text='Employee per Position',
tool_tip_text='Display Employee per Position Pie Chart',
icon_path='pie-chart.png', width=230)
salary_per_positon = self.draw_button(btn_text='Salary per Position',
tool_tip_text='Display Salary per Position Scatter Chart',
icon_path='scatter_chart.png', width=230)
avg_salary_plt_btn = self.draw_button(btn_text='Avg Salary per Position',
tool_tip_text='Display Average Salary per Position Bar Chart',
icon_path='bar_char.png', width=230)
back_btn = self.draw_button(btn_text='Back', tool_tip_text='Back to add employee page', icon_path='back.png',
width=200)
employee_plt_btn.clicked.connect(lambda: self.get_plt(browser, 'employee_number'))
salary_per_positon.clicked.connect(lambda: self.get_plt(browser, 'salary_per_pos'))
avg_salary_plt_btn.clicked.connect(lambda: self.get_plt(browser, 'avg_salary'))
back_btn.clicked.connect(self.go_to_add_employee_page)
employee_numbers = number_of_employee()
fig = go.Figure(data=go.Pie(values=[i[1] for i in employee_numbers], labels=[i[0] for i in employee_numbers],
title="Employee per Position Pie Plot"), )
fig.update_layout(
font_family="%s" % self.font,
font_color="%s" % (self.colors['button_color']),
font_size=24,
title_font_family="%s" % self.font,
title_font_color="black",
paper_bgcolor='%s' % (self.colors['background_color']),
)
browser.setHtml(fig.to_html(include_plotlyjs='cdn', config={'displaylogo': False}))
browser.setFixedWidth(1180)
widgets['plots'].append(browser)
self.layout.addWidget(employee_plt_btn, 0, 0)
self.layout.addWidget(salary_per_positon, 0, 1)
self.layout.addWidget(avg_salary_plt_btn, 0, 2)
self.layout.addWidget(browser, 3, 0, 2, 0)
self.layout.addWidget(back_btn, 5, 0)
def get_plt(self, browser, plot_name='employee_number'):
if plot_name == 'employee_number':
employee_numbers = number_of_employee()
fig = go.Figure(
data=go.Pie(values=[i[1] for i in employee_numbers], labels=[i[0] for i in employee_numbers],
title="Employee per Position Pie Plot"))
fig.update_layout(
font_family="%s" % self.font,
font_color="%s" % (self.colors['button_color']),
font_size=24,
title_font_family="%s" % self.font,
title_font_color="black",
paper_bgcolor='%s' % (self.colors['background_color'])
)
browser.setHtml(fig.to_html(include_plotlyjs='cdn', config={'displaylogo': False, }))
self.layout.addWidget(browser, 3, 0, 2, 0)
if plot_name == 'avg_salary':
avg_salary = avg_salary_per_pos()
fig = go.Figure(data=go.Bar(x=[i[0] for i in avg_salary], y=[i[1] for i in avg_salary],
marker={'color': ['red', 'purple', 'blue', 'green'],
'colorscale': 'Viridis'}))
fig.update_layout(
font_family="%s" % self.font,
font_color="%s" % (self.colors['button_color']),
font_size=24,
title_font_family="%s" % self.font,
title_font_color="black",
title="Average Salary per Position Bar Plot",
paper_bgcolor='%s' % (self.colors['background_color']),
plot_bgcolor='%s' % (self.colors['background_color']),
)
browser.setHtml(fig.to_html(include_plotlyjs='cdn', config={'displaylogo': False}))
self.layout.addWidget(browser, 3, 0, 2, 0)
if plot_name == 'salary_per_pos':
salary = total_salary()
fig = go.Figure(data=go.Scatter(x=[i[0] for i in salary], y=[i[1] for i in salary], mode='markers',
marker=dict(size=[int(i[1] / 400) for i in salary],
color=[0, 1, 2, 3]), ))
fig.update_layout(
font_family="%s" % self.font,
font_color="%s" % (self.colors['button_color']),
font_size=24,
title_font_family="%s" % self.font,
title_font_color="%s" % (self.colors['button_color']),
title="Salary per Position Scatter Plot",
paper_bgcolor='%s' % (self.colors['background_color']),
plot_bgcolor='%s' % (self.colors['background_color'])
)
browser.setHtml(fig.to_html(include_plotlyjs='cdn', config={'displaylogo': False}))
self.layout.addWidget(browser, 3, 0, 2, 0)
def add_employee_page(self):
title_label = self.draw_label("Enter Required Information", width=690)
employee_info, salary, avg_salary = self.get_intersting_info()
employee_label = self.draw_label(label_text=employee_info, width=400, alignment=QtCore.Qt.AlignLeft)
salary_label = self.draw_label(label_text=salary, width=400, alignment=QtCore.Qt.AlignLeft)
avg_label = self.draw_label(label_text=avg_salary, width=400, alignment=QtCore.Qt.AlignLeft)
id_field = self.draw_textbox(text="172XX861XX")
id_field.setToolTip("ID will be generated automatically")
id_field.setReadOnly(True)
name_field = self.draw_textbox("Enter Name")
lname_field = self.draw_textbox("Enter LastName")
age_field = self.draw_textbox("Enter Age")
salary_field = self.draw_textbox("Enter Salary")
pos_field = QComboBox()
pos_field.setStyleSheet("QComboBox{color: %s;" % (self.colors['textbox_color']) +
"border: 3px solid %s;" % (self.colors['textbox_border']) +
"background-color: %s;" % (self.colors['textbox_background']) +
"margin-right:f'{margin-right}' !important;" +
"height:30px;" +
"font-family:'%s';}" % self.font +
"QListView{background-color : %s;}" % (self.colors['textbox_background'])
)
pos_field.addItems(["Employee", "Seller", 'Supervisor', 'Manager'])
# pos_field=self.draw_textbox("Enter Position")
email_field = self.draw_textbox("Enter Email")
widgets['employee_fields'].append(pos_field)
# creating buttons
back_btn = self.draw_button(btn_text='Back', tool_tip_text='Back to Home', icon_path='back.png')
add_employee_btn = self.draw_button(btn_text='Add Employee',
tool_tip_text='Press to add employee to the records',
icon_path='add_employee.png')
plot_btn = self.draw_button(btn_text='Show Plots', tool_tip_text='Display plots', icon_path='plot.png')
# connect add_employee_page buttons
back_btn.clicked.connect(self.go_to_home_page)
add_employee_btn.clicked.connect(
lambda: self.add_employee_to_the_record(id_field, name_field.text(), lname_field.text(),
age_field.text(), salary_field.text(), pos_field.currentText(),
email_field.text()))
plot_btn.clicked.connect(self.go_to_plot_page)
self.layout.addWidget(title_label, 0, 1)
self.layout.addWidget(id_field, 1, 0)
self.layout.addWidget(name_field, 1, 1)
self.layout.addWidget(lname_field, 1, 2)
self.layout.addWidget(age_field, 1, 3)
self.layout.addWidget(salary_field, 1, 4)
self.layout.addWidget(pos_field, 1, 5)
self.layout.addWidget(email_field, 1, 6)
self.layout.addWidget(employee_label, 2, 0)
self.layout.addWidget(salary_label, 2, 2)
self.layout.addWidget(avg_label, 2, 4)
self.layout.addWidget(add_employee_btn, 3, 6)
self.layout.addWidget(plot_btn, 4, 6)
self.layout.addWidget(back_btn, 3, 0)
# End of page view methods
# start of query methods
def get_intersting_info(self):
all_employees = number_of_employee()
salary_per_positon = total_salary()
avg_sal_per_position = avg_salary_per_pos()
total_emp = 0
employee_info = "Number of Employees\n-----\n"
total_sal = 0
pos_salary = "Salary\n-----\n"
total_avg = 0
avg_text = "Average Salary\n-----\n"
for pos, n in all_employees:
employee_info += pos + ": " + str(n) + "\n"
total_emp += n
employee_info += "------\nTotal: " + f'{total_emp}'
for pos, salary in salary_per_positon:
pos_salary += pos + ": " + str(salary) + " $\n"
total_sal += salary
pos_salary += "------\nTotal: " + f'{total_sal} $'
for pos, avg in avg_sal_per_position:
avg_text += pos + ": " + str(avg) + " $\n"
total_avg += avg
total_avg = round(total_avg, 2)
avg_text += "------\nTotal: " + f'{total_avg} $'
return employee_info, pos_salary, avg_text
def add_employee_to_the_record(self, id_field, emp_name, emp_lname, emp_age, emp_salary, emp_pos, emp_email):
import random
if validate_email(emp_email):
try:
emp_id = str(random.choice(range(100, 999)))+emp_name[:2]+str(random.choice(range(100, 999)))+emp_lname[: 2]+str(random.choice(range(10,99)))
id_field.setText(emp_id)
# emp_id = int(emp_id)
emp_age = int(emp_age)
emp_salary = int(emp_salary)
new_employee = create_employee_object(emp_id, emp_name, emp_lname, emp_age, emp_salary, emp_pos,
emp_email)
emp_sginal, employee_acceptance_msg = insert_data(new_employee)
if emp_sginal:
self.display_popup('Done', employee_acceptance_msg, QMessageBox.Information)
self.add_employee_page()
else:
self.display_popup('ID Error', str(employee_acceptance_msg))
except ValueError:
self.display_popup('Value Error', "ID/age/salary must be integer number")
except TypeError as te:
self.display_popup('Value issue', str(te))
else:
self.display_popup('Email Error', "Email is not Valid")
def search_query(self, the_search, radio_buttons):
search_values.clear()
search_values.extend([the_search, radio_buttons])
the_field = self.check_radio_buttons(radio_buttons)
if the_search == "":
self.display_popup('Search Failed', 'Please enter what do you need to search', QMessageBox.Critical)
else:
self.clear_widget()
searched_query = search_employee(the_search, the_field)
if len(searched_query) > 0:
gen = self.generator(searched_query)
tablewidget = self.draw_table(len(searched_query))
for q in range(len(searched_query)):
row = next(gen)
for j in range(len(row)):
tablewidget.setItem(q, j, QTableWidgetItem(str(row[j]), ))
widgets['searched_table'] = []
widgets['searched_table'].append(tablewidget)
self.search_page()
else:
self.search_page()
self.display_popup('Search Complete', 'Nothing Found!', QMessageBox.Information)
def display_right_clicked_menu(self, pos):
# pass
menu = QMenu()
current_row = widgets['tableWidget'][0].currentRow()
emp_id = widgets['tableWidget'][0].item(current_row, 0).text()
current_column = widgets['tableWidget'][0].currentColumn()
current_item = widgets['tableWidget'][0].currentItem().text()
# current_column_name = header_dic[widgets['tableWidget'][0].horizontalHeaderItem(current_column).text()]
delete_btn = menu.addAction('Delete Row')
delete_btn.setIcon(QIcon("delete.png"))
# print(current_item,current_column_name,emp_id)
delete_btn.triggered.connect(lambda: self.delete_query(current_item, emp_id))
update_btn = menu.addAction('Update Cell')
update_btn.setIcon(QIcon("update.png"))
update_btn.triggered.connect(lambda: self.display_update_query_popup(current_row, current_column))
send_mail_btn = menu.addAction('Send Email')
send_mail_btn.setIcon(QIcon("send-data.png"))
send_mail_btn.triggered.connect(lambda: self.send_email_popup(current_row))
menu.exec_(widgets['tableWidget'][0].mapToGlobal(pos))
def delete_query(self, del_value, emp_id):
# pass
# print(del_value,del_field,emp_id)
msg = QMessageBox()
msg.setWindowTitle("Delete a record")
msg.setText(
f'Are you sure about deleting "<b style="color:red">{del_value}</b>"? The row with Employee ID "'
f'<b style="color:red">{emp_id}</b>" will be deleted')
# # #print(del_value,del_field)
msg.addButton(msg.Yes)
msg.addButton(msg.No)
msg.button(msg.Yes).clicked.connect(lambda: delete_employee(emp_id, 'emp_id'))
msg.setStyleSheet("width:100px;height:50px;background: %s;color:%s;font-family:%s;font-size:%s" % (
self.colors['popup_background_color'],
self.colors['popup_text_color'], self.font, self.font_size))
msg.setWindowIcon(QIcon("delete.png"))
msg.exec_()
# print(del_value,del_field,emp_id)
self.reload_page() if CURRENT_PAGE == 'Home' else self.search_query(search_values[0], search_values[1])
def send_email_popup(self, row):
global CURRENT_PAGE
email_address = widgets['tableWidget'][0].item(row, 6).text()
employee_name = widgets['tableWidget'][0].item(row, 1).text()
employee_lname = widgets['tableWidget'][0].item(row, 2).text()
box = self.draw_form_dialog(employee_name, employee_lname, email_address)
box.exec_()
# print(email_address)
def display_profile_dialog(self):
global CURRENT_PAGE
if CURRENT_PAGE == "Login":
self.display_popup("Profile Error", "Please login to your account first")
else:
box = QDialog()
box.setStyleSheet("font-size:%s;background: %s;color:%s;font-family:%s;" % (
self.font_size, self.colors['popup_background_color'], self.colors['popup_text_color'], self.font))
box.setWindowIcon(QtGui.QIcon('profile.png'))
box.setWindowTitle("Profile Details")
box.setFixedWidth(600)
box.setFixedHeight(400)
box.setWhatsThis("Your Profile Details")
img_label = QLabel()
img_label.setStyleSheet(f"border-image: url('{usr}.png');background-color: black;border-radius: 50%")
img_label.setFixedHeight(100)
img_label.setFixedWidth(100)
now = datetime.now()
cur_time = now.strftime("%B %d,%Y %H:%M:%S")
usr_label = QLabel(f"User: {usr}\n\nPosition: System Administrator\n\nLast Login: {cur_time}")
usr_label.setAlignment(QtCore.Qt.AlignLeft)
usr_label.setStyleSheet("font-family:'%s';" % self.font +
"margin-left:20px;"
"color: %s;" % (self.colors['label_color']))
lay = QGridLayout(box)
lay.addWidget(img_label, 0, 0)
lay.addWidget(usr_label, 0, 1)
box.exec_()
def display_update_query_popup(self, row, col):
global CURRENT_PAGE
item = widgets['tableWidget'][0].currentItem().text()
col_header_name = header_dic[widgets['tableWidget'][0].horizontalHeaderItem(col).text()]
emp_id = widgets['tableWidget'][0].item(row, 0).text()
if col_header_name == "emp_id":
self.display_popup('Error', 'Employee ID can not be changed')
else:
msg = QInputDialog()
msg.setStyleSheet("width:200px;height:50px;background: %s;color:%s;font-family:%s;font-size:%s" % (
self.colors['input_dialog_background_color'],
self.colors['input_dialog_text_color'], self.font,
self.font_size))
msg.setWindowTitle("Update the Value")
msg.setTextValue(str(item))
msg.setLabelText(widgets['tableWidget'][0].horizontalHeaderItem(col).text())
msg.setOkButtonText('Update value')
msg.setWindowIcon(QIcon("update.png"))
msg.setWhatsThis("You can update the cell value")
msg.exec_()
if msg.result():
new_value = msg.textValue()
if self.check_value_integrity(col_header_name, new_value):
update_employee(col_header_name, new_value, emp_id)
self.reload_page() if CURRENT_PAGE == 'Home' else self.search_query(search_values[0],
search_values[1])
else:
pass
else:
pass
def check_value_integrity(self, col_header_name, new_value):
if col_header_name == "email":
if validate_email(new_value):
return True
else:
self.display_popup('Email Error', "Not a Valid Email Address")
return False
if col_header_name == 'age':
try:
if 18 < int(new_value) < 70:
return True
else:
self.display_popup('Age Error', "the age must be integer number and 18<age<70")
return False
except ValueError:
self.display_popup('Value Error', "Inavild value, the age must be integer number and 18<age<70")
return False
if col_header_name == 'position':
if new_value in ["Employee", "Seller", 'Supervisor', 'Manager']:
return True
else:
self.display_popup('Position Error',
"Only Employee,Seller,Supervisor,Manager for Position Column are accepted")
return False
if col_header_name == 'salary':
try:
if int(new_value):
return True
except ValueError:
self.display_popup('Value Error', "Inavild value, the salary must be integer number")
return False
else:
return True
def get_info_for_sending_email(self, box, employee_name, employee_lname, email_address, email_subject,
email_message):
if all([email_address, email_subject, email_message]):
send_email_to_employee(employee_name, employee_lname, email_address, email_subject, email_message)
box.close()
else:
self.display_popup("Error", "Provide subject and message")
# end of query methods
# start of changing page methods
def go_to_home_page(self):
global CURRENT_PAGE
CURRENT_PAGE = 'Home'
# print(CURRENT_PAGE)
self.clear_widget()
self.home_page()
def go_to_login_page(self):
global CURRENT_PAGE
CURRENT_PAGE = 'Login'
# print(CURRENT_PAGE)
self.clear_widget()
self.login_page()
def go_to_plot_page(self):
global CURRENT_PAGE
CURRENT_PAGE = 'Plot'
# print(CURRENT_PAGE)
self.clear_widget()
self.plot_page()
def go_to_add_employee_page(self):
global CURRENT_PAGE
CURRENT_PAGE = 'Add_Employee'
# print(CURRENT_PAGE)
self.clear_widget()
self.add_employee_page()
def go_to_search_page(self):
global CURRENT_PAGE
CURRENT_PAGE = 'Search'
# print(CURRENT_PAGE)
self.clear_widget()
self.search_page()
# end of changing page methods
# start of Handy Methods
def display_popup(self, window_title, message, icon=QMessageBox.Critical):
msg = QMessageBox()
msg.setStyleSheet("font-size:%s;background: %s;color:%s;font-family:%s;" % (
self.font_size, self.colors['popup_background_color'],
self.colors['popup_text_color'], self.font))
msg.setWindowIcon(QtGui.QIcon('app-icon.ico'))
msg.setIcon(icon)
msg.setWindowTitle(window_title)
msg.setText(message)
msg.exec_()
def reload_page(self):
"""It will Reload the home page to get the latest update of table """
self.clear_widget()
self.home_page()
def check_radio_buttons(self, radio_buttons):
radio_btn_dic = {'By ID': 'emp_id', 'By Name': 'name', 'By Lastname': 'lname'}
for rd_btn in radio_buttons:
if rd_btn.isChecked():
return radio_btn_dic[rd_btn.text()]
return 'name'
def check_page(self):
if CURRENT_PAGE == "Login":
self.go_to_login_page()
if CURRENT_PAGE == "Home":
self.go_to_home_page()
if CURRENT_PAGE == "Search":
self.go_to_search_page()
if CURRENT_PAGE == "Add_Employee":
self.go_to_add_employee_page()
if CURRENT_PAGE == "Plot":
self.go_to_plot_page()
def clear_widget(self):
for widget in widgets:
if widgets[widget] != []:
for i in range(0, len(widgets[widget])):
widgets[widget][i].hide()
for i in range(0, len(widgets[widget])):
widgets[widget].pop()
# print(widgets)
def authenticate(self):
global usr
try:
signal, user = check_user(widgets['employee_fields'][0].text(), widgets['employee_fields'][1].text())
if signal:
usr = user.capitalize()
self.go_to_home_page()
else:
self.display_popup('Authentication Failed', 'Wrong Username or Passowrd')
except TypeError:
self.display_popup('Authentication Failed', 'Please Enter Username and Password')
# end of Handy Methods
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = App()
sys.exit(app.exec_())