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menu_builder.py
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menu_builder.py
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# -*- coding: utf-8 -*-
"""
MenuBuilder - Create your own menus with your favorite layers
copyright : (C) 2015 by Oslandia
email : infos@oslandia.com
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from __future__ import unicode_literals
from os import path
from PyQt4.QtCore import QSettings, QTranslator, qVersion, QCoreApplication
from PyQt4.QtGui import QAction, QIcon, QMessageBox
# Initialize Qt resources from file resources.py
import resources_rc
# Import the code for the dialog
from menu_builder_dialog import MenuBuilderDialog
import os.path
def locale_resource(*filepath):
"""
filepath should be a list of arguments corresponding to the path remaining
"""
return path.join(path.abspath(path.dirname(__file__)), *filepath)
class MenuBuilder:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.plugin_name = self.tr('&Menu Builder')
# reference to plugin actions
self.actions = []
# used to store active menus
self.menus = []
# Create the dialog (after translation) and keep reference
self.dlg = MenuBuilderDialog(self)
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('MenuBuilder', message)
def initGui(self):
"""Create the plugin entries inside the QGIS GUI."""
# create the configure entry
icon = QIcon(':/plugins/MenuBuilder/resources/settings.svg')
configure = QAction(icon, self.tr('&Configure Menus'), self.iface.mainWindow())
configure.triggered.connect(self.run_configure)
configure.setEnabled(True)
configure.setStatusTip(self.tr("Configure menus with drag&drop from qgisbrowser"))
configure.setWhatsThis(self.tr("Configure menus with drag&drop from qgisbrowser"))
self.iface.addPluginToMenu(self.plugin_name, configure)
self.actions.append(configure)
# restore previous session if exists
try:
self.dlg.restore_session()
except Exception as exc:
QMessageBox(
QMessageBox.Warning,
"Restoring MenuBuilder last session",
exc.message.decode(self.dlg.pgencoding),
QMessageBox.Ok,
self.dlg
).exec_()
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(self.plugin_name, action)
for menu in self.menus:
menu.deleteLater()
self.iface.removeDockWidget(self.dlg.dock_widget)
def run_configure(self):
# show the configure dialog
self.dlg.show()
# reload browser content
self.dlg.browser.reload()
self.dlg.update_database_list()
# Run the dialog event loop
self.dlg.exec_()