/
main_window.py
442 lines (395 loc) · 19.9 KB
/
main_window.py
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from PyQt5 import QtCore, QtWidgets
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from data_manager import DataManager, DataManagerError
from db_manager import DbManager
from graph_drawer import GraphDrawer
from collections import defaultdict
from logging_setup import get_logger
import logging
class UiMainWindow:
MODE_STATION = 0
MODE_SENSOR = 1
def __init__(self, d_manager: DataManager, logger: logging.Logger):
self.thread_pool = QThreadPool()
self.data_manager = d_manager
self.selected_sensors = defaultdict(set)
self.selected_stations = defaultdict(set)
self.mode = self.MODE_STATION
self.station_data = None
self.current_param = None
self.current_station = None
self.logger = logger
def setup_ui(self, main_window):
"""
Generates UI
:type main_window: QMainWindow
"""
main_window.setObjectName("MainWindow")
main_window.resize(1000, 713)
self.central_widget = QtWidgets.QWidget(main_window)
self.central_widget.setObjectName("centralwidget")
self.tableWidget = QtWidgets.QTableWidget(self.central_widget)
self.tableWidget.setGeometry(QtCore.QRect(0, 0, 900, 391))
self.tableWidget.setAutoScroll(False)
self.tableWidget.setColumnCount(8)
self.tableWidget.setColumnHidden(7, True)
self.tableWidget.setObjectName("tableWidget")
self.tableWidget.setSelectionBehavior(QAbstractItemView.SelectItems)
self.tableWidget.setSelectionMode(QAbstractItemView.SingleSelection)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(0, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(1, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(2, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(3, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(4, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(5, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(6, item)
item = QtWidgets.QTableWidgetItem()
self.tableWidget.setHorizontalHeaderItem(7, item)
self.params_widget = QtWidgets.QTableWidget(self.central_widget)
self.params_widget.setGeometry(QtCore.QRect(10, 420, 361, 231))
self.params_widget.setRowCount(0)
self.params_widget.setObjectName("params_widget")
self.params_widget.setColumnCount(4)
self.params_widget.setColumnHidden(3, True)
self.params_widget.setSelectionBehavior(QAbstractItemView.SelectItems)
self.params_widget.setSelectionMode(QAbstractItemView.SingleSelection)
item = QtWidgets.QTableWidgetItem()
self.params_widget.setHorizontalHeaderItem(0, item)
item = QtWidgets.QTableWidgetItem()
self.params_widget.setHorizontalHeaderItem(1, item)
item = QtWidgets.QTableWidgetItem()
self.params_widget.setHorizontalHeaderItem(2, item)
self.main_label = QLabel(self.central_widget)
self.main_label.setGeometry(QtCore.QRect(10, 400, 500, 16))
self.main_label.setObjectName("main_label")
self.push_button_draw_graph = QPushButton(self.central_widget)
self.push_button_draw_graph.setGeometry(QtCore.QRect(10, 660, 171, 23))
self.push_button_draw_graph.setObjectName("push_button_draw_graph")
self.push_button_draw_graph.clicked.connect(lambda: self.download_data(True))
self.push_button_draw_graph.setDisabled(True)
self.push_button_download_specific_data = QPushButton(self.central_widget)
self.push_button_download_specific_data.setGeometry(QtCore.QRect(200, 660, 171, 23))
self.push_button_download_specific_data.setObjectName("push_button_download_specific_data")
self.push_button_download_specific_data.clicked.connect(lambda: self.download_data(False))
self.push_button_download_specific_data.setDisabled(True)
self.push_button_download_data = QPushButton(self.central_widget)
self.push_button_download_data.setGeometry(QtCore.QRect(450, 450, 141, 61))
self.push_button_download_data.setObjectName("push_button_download_data")
self.push_button_download_data.clicked.connect(self.start_download_data)
self.push_button_clear_cache = QPushButton(self.central_widget)
self.push_button_clear_cache.setGeometry(QtCore.QRect(450, 520, 141, 61))
self.push_button_clear_cache.setObjectName("push_button_clear_cache")
self.push_button_clear_cache.clicked.connect(self.clear_cache)
self.push_button_select_all = QPushButton(self.central_widget)
self.push_button_select_all.setGeometry(QtCore.QRect(600, 450, 141, 61))
self.push_button_select_all.setObjectName("push_button_select_all")
self.push_button_select_all.clicked.connect(lambda: self.toggle_all_checkboxes(True))
self.push_button_deselect_all = QPushButton(self.central_widget)
self.push_button_deselect_all.setGeometry(QtCore.QRect(600, 520, 141, 61))
self.push_button_deselect_all.setObjectName("push_button_deselect_all")
self.push_button_deselect_all.clicked.connect(lambda: self.toggle_all_checkboxes(False))
self.layout_widget_radio_buttons = QtWidgets.QWidget(self.central_widget)
self.layout_widget_radio_buttons.setGeometry(QtCore.QRect(460, 590, 160, 61))
self.layout_widget_radio_buttons.setObjectName("layout_widget_radio_buttons")
self.layout_radio_buttons = QtWidgets.QVBoxLayout(self.layout_widget_radio_buttons)
self.layout_radio_buttons.setContentsMargins(0, 0, 0, 0)
self.layout_radio_buttons.setObjectName("layout_radio_buttons")
self.radio_button_station_mode = QtWidgets.QRadioButton(self.layout_widget_radio_buttons)
self.radio_button_station_mode.setObjectName("radio_button_station_mode")
self.layout_radio_buttons.addWidget(self.radio_button_station_mode)
self.radio_button_station_mode.setChecked(True)
self.radio_button_station_mode.toggled.connect(self.radio_button_on_click)
self.radio_button_sensor_mode = QtWidgets.QRadioButton(self.layout_widget_radio_buttons)
self.radio_button_sensor_mode.setObjectName("radio_button_sensor_mode")
self.layout_radio_buttons.addWidget(self.radio_button_sensor_mode)
self.radio_button_sensor_mode.setDisabled(True)
main_window.setCentralWidget(self.central_widget)
self.status_bar = QtWidgets.QStatusBar(main_window)
self.status_bar.setObjectName("statusbar")
main_window.setStatusBar(self.status_bar)
self.re_translate_ui(main_window)
self.radio_button_on_click()
QtCore.QMetaObject.connectSlotsByName(main_window)
def re_translate_ui(self, main_window):
"""
Adds all labels for items
:type main_window: QMainWindow
"""
_t = QtCore.QCoreApplication.translate
main_window.setWindowTitle(_t("MainWindow", "Klient jakości powietrza"))
item = self.tableWidget.horizontalHeaderItem(0)
item.setText(_t("MainWindow", "Nazwa stacji"))
item = self.tableWidget.horizontalHeaderItem(1)
item.setText(_t("MainWindow", "Długość geo."))
item = self.tableWidget.horizontalHeaderItem(2)
item.setText(_t("MainWindow", "Szerokość geo."))
item = self.tableWidget.horizontalHeaderItem(3)
item.setText(_t("MainWindow", "Miasto"))
item = self.tableWidget.horizontalHeaderItem(4)
item.setText(_t("MainWindow", "Adres"))
item = self.tableWidget.horizontalHeaderItem(5)
item.setText(_t("MainWindow", "Województwo"))
item = self.tableWidget.horizontalHeaderItem(6)
item.setText(_t("MainWindow", "Użyj"))
item = self.tableWidget.horizontalHeaderItem(7)
item.setText(_t("MainWindow", "Id"))
# __sortingEnabled = self.tableWidget.isSortingEnabled()
self.tableWidget.setSortingEnabled(False)
# self.tableWidget.setSortingEnabled(__sortingEnabled)
item = self.params_widget.horizontalHeaderItem(0)
item.setText(_t("MainWindow", "Użyj"))
item = self.params_widget.horizontalHeaderItem(1)
item.setText(_t("MainWindow", "Nazwa"))
item = self.params_widget.horizontalHeaderItem(2)
item.setText(_t("MainWindow", "Symbol"))
self.main_label.setText(_t("MainWindow", "Stanowiska pomiarowe dla wybranej stacji"))
self.push_button_draw_graph.setText(_t("MainWindow", "Rysuj wykres dla stacji"))
self.push_button_download_data.setText(_t("MainWindow", "Pobierz dane"))
self.push_button_clear_cache.setText(_t("MainWindow", "Usuń historię zapytań"))
self.radio_button_station_mode.setText(_t("MainWindow", "Tryb jednej stacji"))
self.radio_button_sensor_mode.setText(_t("MainWindow", "Tryb jednego stanowiska"))
self.push_button_download_specific_data.setText(_t("MainWindow", "Pobierz wybrane dane"))
self.push_button_select_all.setText(_t("MainWindow", "Zaznacz wszystko"))
self.push_button_deselect_all.setText(_t("MainWindow", "Odznacz wszystko"))
@staticmethod
def add_checkbox_to_table(table, row, col, checked=False):
"""
Adds checkboxes to given table by row, col
:type table: QTableWidget
:type row: int
:type col: int
:type checked: Bool
"""
check_box_item = QtWidgets.QTableWidgetItem()
check_box_item.setFlags(QtCore.Qt.ItemIsUserCheckable | QtCore.Qt.ItemIsEnabled)
if checked:
check_box_item.setCheckState(QtCore.Qt.Checked)
else:
check_box_item.setCheckState(QtCore.Qt.Unchecked)
table.setItem(row, col, check_box_item)
def clear_cache(self):
"""Clears all cache callback"""
try:
self.data_manager.delete_cache()
except DataManagerError as e:
self.logger.exception(e)
self.show_exception_box(e)
def enable_push_buttons(self):
"""Helper method for enabling download data buttons"""
enable = False
if self.mode == self.MODE_STATION:
if self.current_station and self.selected_sensors[self.current_station]:
enable = True
else:
if self.current_param and self.selected_stations[self.current_param]:
enable = True
self.push_button_draw_graph.setEnabled(enable)
self.push_button_download_specific_data.setEnabled(enable)
def toggle_all_checkboxes(self, select=True):
"""
Callback method for selecting all checkboxes.
:type select: Bool
"""
if self.mode == self.MODE_STATION:
for row in range(self.params_widget.rowCount()):
self.add_checkbox_to_table(self.params_widget, row, 0, select)
if select:
self.selected_sensors[self.current_station].add(int(self.params_widget.item(row, 3).text()))
else:
self.selected_sensors[self.current_station] = set()
else:
for row in range(self.tableWidget.rowCount()):
self.add_checkbox_to_table(self.tableWidget, row, 6, select)
if select:
self.selected_stations[self.current_param].add(int(self.tableWidget.item(row, 7).text()))
else:
self.selected_stations[self.current_param] = set()
self.enable_push_buttons()
def download_data(self, draw_graph=True):
"""
Download data callback. Gets data from API/Db
:type draw_graph: Bool
"""
if self.mode == self.MODE_STATION:
sensors = self.selected_sensors[self.current_station]
try:
data = self.data_manager.get_data_by_sensor_ids_for_graphing(sensors)
if draw_graph:
station_name = self.data_manager.get_station_name_by_id(self.current_station)
GraphDrawer.draw_station_graph(station_name, data)
except DataManagerError as e:
self.logger.exception(e)
self.show_exception_box(e)
else:
stations = self.selected_stations[self.current_param]
try:
data = self.data_manager.get_data_by_station_ids_for_graphing(stations, self.current_param)
except DataManagerError as e:
self.logger.exception(e)
self.show_exception_box(e)
if draw_graph:
GraphDrawer.draw_sensor_graph(self.current_param, data)
def generate_station_view(self, stations=None):
"""
Generates station view from specified data
:type stations: list
"""
self.station_data = stations
self.tableWidget.setRowCount(len(stations))
self.tableWidget.setColumnHidden(7, True)
for row, station in enumerate(stations):
if self.mode == self.MODE_SENSOR:
checked = True if station[6] in self.selected_stations[self.current_param] else False
self.add_checkbox_to_table(self.tableWidget, row, 6, checked)
for col, parameter in enumerate(station):
if col == 6:
col += 1
item = QtWidgets.QTableWidgetItem()
item.setFlags(QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsUserCheckable | QtCore.Qt.ItemIsEnabled)
item.setText(str(parameter))
self.tableWidget.setItem(row, col, item)
self.tableWidget.itemClicked.connect(self.handle_table_item_clicked)
def handle_table_item_clicked(self, item):
"""
Callback for main table item clicked
:type item: QWidgetItem
"""
item_row = item.row()
station_id = int(self.tableWidget.item(item_row, 7).text())
if self.mode == self.MODE_STATION:
try:
data = self.data_manager.get_sensors(int(station_id))
except DataManagerError as e:
self.logger.exception(e)
self.show_exception_box(e)
self.current_station = station_id
self.generate_sensor_table_view(data)
else:
if item.checkState() == QtCore.Qt.Checked:
self.selected_stations[self.current_param].add(station_id)
elif item.checkState is not QtCore.Qt.Unchecked and item.column() == 6:
self.selected_stations[self.current_param].discard(station_id)
self.enable_push_buttons()
def generate_sensor_table_view(self, data):
"""
Generates sensor table view from given data
:type data: list
"""
self.params_widget.setRowCount(len(data))
for row, sensor in enumerate(data):
if self.mode == self.MODE_STATION:
checked = True if sensor[2] in self.selected_sensors[self.current_station] else False
self.add_checkbox_to_table(self.params_widget, row, 0, checked)
for column, element in enumerate(sensor):
column += 1
item = QtWidgets.QTableWidgetItem()
item.setFlags(QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsUserCheckable | QtCore.Qt.ItemIsEnabled)
item.setText(str(element))
self.params_widget.setItem(row, column, item)
self.params_widget.itemClicked.connect(self.handle_sensor_table_item_clicked)
def handle_sensor_table_item_clicked(self, item):
"""
Handles click event for sensor table widget.
:type item: QCheckBox
"""
if self.mode == self.MODE_STATION:
sensor_id = int(self.params_widget.item(item.row(), 3).text())
if item.checkState() == QtCore.Qt.Checked and item.column() == 0:
self.selected_sensors[self.current_station].add(sensor_id)
elif item.checkState is not QtCore.Qt.Unchecked and item.column() == 0:
self.selected_sensors[self.current_station].discard(sensor_id)
else:
param_code = self.params_widget.item(item.row(), 2).text()
self.current_param = param_code
try:
data = self.data_manager.get_all_stations_by_param(param_code)
except DataManagerError as e:
self.logger.exception(e)
self.show_exception_box(e)
self.generate_station_view(data)
self.enable_push_buttons()
def radio_button_on_click(self):
"""Callback for changing mode"""
self.current_param = None
self.current_station = None
if self.radio_button_station_mode.isChecked():
self.mode = self.MODE_STATION
self.tableWidget.setColumnHidden(6, True)
self.main_label.setText("Tryb jednej stacji. Poniżej znajduje się lista dostępnych stanowisk pomiarowych: ")
self.push_button_draw_graph.setText("Rysuj wykres dla stacji")
self.params_widget.setRowCount(0)
self.params_widget.setColumnHidden(0, False)
if self.station_data:
self.generate_station_view(self.station_data)
else:
if self.station_data is None:
self.radio_button_sensor_mode.toggle()
self.radio_button_station_mode.toggle()
self.mode = self.MODE_SENSOR
self.main_label.setText("Tryb jednego stanowiska pomiarowego. Proszę wybrać stacje pomiarowe (limit: 20)")
self.push_button_draw_graph.setText("Rysuj wykres dla stanowiska")
self.tableWidget.setRowCount(0)
self.tableWidget.setColumnHidden(6, False)
self.params_widget.setColumnHidden(0, True)
try:
data = self.data_manager.get_all_sensors_for_view()
self.generate_sensor_table_view(data)
except DataManagerError as e:
self.logger.exception(e)
self.show_exception_box(e)
self.enable_push_buttons()
def update_ui_after_data_download_finished(self):
"""Updates ui after main data download is finished"""
self.push_button_download_data.setText("Pobierz dane")
self.push_button_download_data.setEnabled(True)
self.push_button_clear_cache.setEnabled(True)
self.radio_button_sensor_mode.setDisabled(False)
def start_download_data(self):
""" Starts downloading data"""
self.push_button_download_data.setText("Trwa pobieranie danych.\nŚredni czas < 10s.")
self.push_button_download_data.setEnabled(False)
self.push_button_clear_cache.setEnabled(False)
worker = ApiDataWorker()
worker.signals.result.connect(self.generate_station_view)
worker.signals.error.connect(self.show_exception_box)
worker.signals.finished.connect(self.update_ui_after_data_download_finished)
self.thread_pool.start(worker)
@staticmethod
def show_exception_box(exception_message):
"""
Show message box with exception info.
:type exception_message: Exception
"""
msg = QMessageBox()
msg.setWindowTitle("Błąd!")
msg.setText(str(exception_message))
msg.setIcon(QMessageBox.Critical)
res = msg.exec_()
class WorkerSignals(QObject):
finished = pyqtSignal()
result = pyqtSignal(list)
error = pyqtSignal(Exception)
class ApiDataWorker(QRunnable):
def __init__(self, *args, **kwargs):
super(ApiDataWorker, self).__init__()
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
@pyqtSlot()
def run(self):
try:
data = DataManager(DbManager()).prepare_necessary_data()
self.signals.result.emit(data)
except DataManagerError as e:
self.signals.error.emit(e)
get_logger("main_program").exception(e)
finally:
self.signals.finished.emit()