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mainwindow.py
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mainwindow.py
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# -*- coding: utf-8 -*-
# Copyright © 2014-2018 GWHAT Project Contributors
# https://github.com/jnsebgosselin/gwhat
#
# This file is part of GWHAT (Ground-Water Hydrograph Analysis Toolbox).
# Licensed under the terms of the GNU General Public License.
# Source: http://www.gnu.org/licenses/gpl-howto.html
# It is often said when developing interfaces that you need to fail fast,
# and iterate often. When creating a UI, you will make mistakes. Just keep
# moving forward, and remember to keep your UI out of the way.
# http://blog.teamtreehouse.com/10-user-interface-design-fundamentals
from __future__ import division, unicode_literals, print_function
print('Starting GWHAT...')
import matplotlib as mpl
mpl.use('Qt5Agg')
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (QApplication, QMainWindow, QTextEdit, QSplitter,
QWidget, QGridLayout, QTextBrowser)
import sys
app = QApplication(sys.argv)
from gwhat.widgets.splash import SplashScrn
splash = SplashScrn()
import platform
ft = app.font()
ft.setPointSize(11)
if platform.system() == 'Windows':
ft.setFamily('Segoe UI')
app.setFont(ft)
from gwhat import __namever__, __appname__
splash.showMessage("Starting %s..." % __namever__)
# ---- Standard library imports
from time import ctime
import os.path as osp
from multiprocessing import freeze_support
import tkinter
import tkinter.filedialog
import tkinter.messagebox
# ---- Local imports
from gwhat.config.main import CONF
from gwhat.config.ospath import save_path_to_configs, get_path_from_configs
import gwhat.HydroPrint2 as HydroPrint
import gwhat.HydroCalc2 as HydroCalc
from gwhat.widgets.tabwidget import TabWidget
from gwhat.projet.manager_projet import ProjetManager
from gwhat.projet.manager_data import DataManager
from gwhat.common import StyleDB
from gwhat.utils import icons
from gwhat.utils.qthelpers import (
qbytearray_to_hexstate, hexstate_to_qbytearray)
freeze_support()
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setWindowTitle(__namever__)
self.setWindowIcon(icons.get_icon('master'))
if platform.system() == 'Windows':
import ctypes
myappid = 'gwhat_application' # arbitrary string
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(
myappid)
# Setup the project manager. and data managers.
splash.showMessage("Initializing project and data managers...")
self.pmanager = ProjetManager(self)
self.pmanager.currentProjetChanged.connect(self.new_project_loaded)
# Setup the data manager.
self.dmanager = DataManager(parent=self, pm=self.pmanager)
self.dmanager.setMaximumWidth(250)
self.dmanager.sig_new_console_msg.connect(self.write2console)
# Generate the GUI.
self.__initUI__()
splash.finish(self)
self._restore_window_geometry()
self._restore_window_state()
# Load the last opened project.
projectfile = get_path_from_configs('main', 'last_project_filepath')
result = self.pmanager.load_project(projectfile)
if result is False:
self.tab_hydrograph.setEnabled(False)
self.tab_hydrocalc.setEnabled(False)
def __initUI__(self):
"""
Setup the GUI of the main window.
"""
# Setup the main console.
splash.showMessage("Initializing main window...")
self.main_console = QTextBrowser()
self.main_console.setReadOnly(True)
self.main_console.setLineWrapMode(QTextEdit.NoWrap)
self.main_console.setOpenExternalLinks(True)
style = 'Regular'
family = StyleDB().fontfamily
size = CONF.get('main', 'fontsize_console')
fontSS = ('font-style: %s;'
'font-size: %s;'
'font-family: %s;'
) % (style, size, family)
self.main_console.setStyleSheet("QWidget{%s}" % fontSS)
msg = '<font color=black>Thanks for using %s.</font>' % __appname__
self.write2console(msg)
msg = ('Please help GWHAT by reporting bugs on our '
'<a href="https://github.com/jnsebgosselin/gwhat/issues">'
'Issues Tracker</a>.')
self.write2console('<font color=black>%s</font>' % msg)
# Setup the tab plot hydrograph.
splash.showMessage("Initializing plot hydrograph...")
self.tab_hydrograph = HydroPrint.HydroprintGUI(self.dmanager)
self.tab_hydrograph.ConsoleSignal.connect(self.write2console)
# Setup the tab analyse hydrograph.
splash.showMessage("Initializing analyse hydrograph...")
self.tab_hydrocalc = HydroCalc.WLCalc(self.dmanager)
self.tab_hydrocalc.sig_new_mrc.connect(
self.tab_hydrograph.mrc_wl_changed)
self.tab_hydrocalc.rechg_eval_widget.sig_new_gluedf.connect(
self.tab_hydrograph.glue_wl_changed)
# Add each tab to the tab widget.
self.tab_widget = TabWidget()
self.tab_widget.addTab(self.tab_hydrograph, 'Plot Hydrograph')
self.tab_widget.addTab(self.tab_hydrocalc, 'Analyze Hydrograph')
self.tab_widget.setCornerWidget(self.pmanager)
self.tab_widget.currentChanged.connect(self.sync_datamanagers)
self.sync_datamanagers()
# Setup the splitter widget.
self._splitter = QSplitter(Qt.Vertical, parent=self)
self._splitter.addWidget(self.tab_widget)
self._splitter.addWidget(self.main_console)
self._splitter.setCollapsible(0, True)
self._splitter.setStretchFactor(0, 100)
# Force initially the main_console to its minimal height.
self._splitter.setSizes([100, 1])
# Setup the layout of the main widget.
main_widget = QWidget()
self.setCentralWidget(main_widget)
mainGrid = QGridLayout(main_widget)
mainGrid.addWidget(self._splitter, 0, 0)
mainGrid.addWidget(
self.tab_hydrocalc.rechg_eval_widget.progressbar, 3, 0)
def write2console(self, text):
"""
This function is the bottle neck through which all messages writen
in the console must go through.
"""
textime = '<font color=black>[%s] </font>' % ctime()[4:-8]
self.main_console.append(textime + text)
def sync_datamanagers(self):
"""
Move the data manager from tab _Plot Hydrograph_ to tab
_Analyze Hydrograph_ and vice-versa.
"""
current = self.tab_widget.tabBar().currentIndex()
if current == 0:
self.tab_hydrograph.right_panel.addWidget(self.dmanager, 0, 0)
elif current == 1:
self.tab_hydrocalc.right_panel.addWidget(self.dmanager, 0, 0)
def new_project_loaded(self):
"""Handles when a new project is loaded in the project manager."""
# Save the project file path in the configs.
save_path_to_configs('main', 'last_project_filepath',
self.pmanager.projet.filename)
# Update the GUI.
self.tab_hydrograph.setEnabled(True)
self.tab_hydrocalc.setEnabled(True)
# ---- Qt method override/extension
def closeEvent(self, event):
"""Qt method override to close the project before close the app."""
self._save_window_geometry()
self._save_window_state()
print('Closing projet')
self.pmanager.close()
print('Closing GWHAT')
self.tab_hydrocalc.close()
event.accept()
def show(self):
"""
Extend Qt method.
"""
super().show()
# ---- Main window settings
def _restore_window_geometry(self):
"""
Restore the geometry of this mainwindow from the value saved
in the config.
"""
hexstate = CONF.get('main', 'window/geometry', None)
if hexstate:
hexstate = hexstate_to_qbytearray(hexstate)
self.restoreGeometry(hexstate)
else:
from gwhat.config.gui import INIT_MAINWINDOW_SIZE
self.resize(*INIT_MAINWINDOW_SIZE)
def _save_window_geometry(self):
"""
Save the geometry of this mainwindow to the config.
"""
hexstate = qbytearray_to_hexstate(self.saveGeometry())
CONF.set('main', 'window/geometry', hexstate)
def _restore_window_state(self):
"""
Restore the state of this mainwindow’s toolbars and dockwidgets from
the value saved in the config.
"""
# Then we appply saved configuration if it exists.
hexstate = CONF.get('main', 'window/state', None)
if hexstate:
hexstate = hexstate_to_qbytearray(hexstate)
self.restoreState(hexstate)
hexstate = CONF.get('main', 'splitter/state', None)
if hexstate:
hexstate = hexstate_to_qbytearray(hexstate)
self._splitter.restoreState(hexstate)
def _save_window_state(self):
"""
Save the state of this mainwindow’s toolbars and dockwidgets to
the config.
"""
hexstate = qbytearray_to_hexstate(self.saveState())
CONF.set('main', 'window/state', hexstate)
hexstate = qbytearray_to_hexstate(self._splitter.saveState())
CONF.set('main', 'splitter/state', hexstate)
def except_hook(cls, exception, traceback):
"""
Used to override the default sys except hook so that this application
doesn't automatically exit when an unhandled exception occurs.
See this StackOverflow answer for more details :
https://stackoverflow.com/a/33741755/4481445
"""
sys.__excepthook__(cls, exception, traceback)
# %% if __name__ == '__main__'
if __name__ == '__main__':
sys.excepthook = except_hook
main = MainWindow()
main.show()
sys.exit(app.exec_())