mncheck/MnCheck/main.py

"""
/***************************************************************************
 MnCheck
                                 A QGIS plugin
 Contrôle des données FTTH format MN

                              -------------------
        copyright            : (C) 2019 by Manche Numérique
        email                : olivier.massot@manchenumerique.fr
 ***************************************************************************/

"""
import logging

from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QAction, QStyle, QApplication

from MnCheck.core import logging_
from MnCheck.core.constants import MAIN, VERSION
from MnCheck.ui.dlg_main import DlgMain


__VERSION__ = VERSION

logger = logging.getLogger("mncheck")
logging_.start("mncheck", logging.DEBUG)

logger.info("* loading plugin")
logger.info("version: %s", VERSION)

class MnCheck:
    def __init__(self, iface):
        self.iface = iface

        self.actions = []
        self.menu = '&MnCheck'
        self.toolbar = self.iface.addToolBar('MnCheck')
        self.toolbar.setObjectName('MnCheck')
        
        self.main_window = None

    def add_action(self, icon_path, text, callback, enabled_flag=True, add_to_menu=True, 
                   add_to_toolbar=True, status_tip=None, whats_this=None, parent=None):
        icon = QIcon(icon_path)
        action = QAction(icon, text, parent)
        action.triggered.connect(callback)
        action.setEnabled(enabled_flag)

        if status_tip is not None:
            action.setStatusTip(status_tip)

        if whats_this is not None:
            action.setWhatsThis(whats_this)

        if add_to_toolbar:
            self.toolbar.addAction(action)

        if add_to_menu:
            self.iface.addPluginToMenu(self.menu, action)

        self.actions.append(action)

        return action

    def initGui(self):
        """Create the menu entries and toolbar icons inside the QGIS GUI."""
        
        logging_.QgsLogHandler.connect_to_iface(self.iface)
        
        self.add_action(MAIN / 'icon.png', 
                        text='MnCheck', 
                        callback=self.run, 
                        parent=self.iface.mainWindow())

    def unload(self):
        """Removes the plugin menu item and icon from QGIS GUI."""
        for action in self.actions:
            self.iface.removePluginMenu('&MnCheck', action)
            self.iface.removeToolBarIcon(action)
        del self.toolbar

    def run(self):
        """Run method that performs all the real work"""
        
        if self.main_window and self.main_window.isVisible():
            self.main_window.activateWindow()

            self.main_window.setGeometry(QStyle.alignedRect(Qt.LeftToRight, 
                                                            Qt.AlignCenter, 
                                                            self.main_window.size(), 
                                                            QApplication.desktop().availableGeometry()))
            return
        
        dlg = DlgMain(self.iface)
        self.main_window = dlg
        dlg.show()
        dlg.exec_()