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vfkPlugin.py
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vfkPlugin.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
vfkPlugin
A QGIS plugin
Plugin umoznujici praci s daty katastru nemovitosti
-------------------
begin : 2015-06-11
git sha : $Format:%H$
copyright : (C) 2015 by Stepan Bambula
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
"""
import os.path
from qgis.PyQt.QtCore import QSettings, QTranslator, qVersion, QCoreApplication, Qt, qDebug
from qgis.PyQt.QtWidgets import QAction, QToolButton, QMenu
from qgis.PyQt.QtGui import QIcon
# Initialize Qt resources from file resources.py
from .resources import *
# Import the code for the dialog
from .mainApp import MainApp
class vfkPlugin(object):
"""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',
'vfk_{}.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)
# Create the dialog (after translation) and keep reference
# Declare instance attributes
self.actions = []
self.menu = self.tr('&VFK')
# TODO: We are going to let the user set this up in a future iteration
# add plugin icon into plugin toolbar
self.toolButton = QToolButton()
self.iface.addToolBarWidget(self.toolButton)
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('vfk', message)
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):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: unicode
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
self.toolButton.setDefaultAction(action)
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:
pass
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."""
icon_path = ':/vfkPluginIcon.png'
self.add_action(
icon_path,
text=u'Otevřít prohlížeč VFK',
callback=self.run,
whats_this=u'VFK Plugin',
parent=self.iface.mainWindow())
self.myDockWidget = MainApp(self.iface)
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(u'&VFK', action)
self.iface.removePluginMenu(self.menu, action)
self.iface.removeToolBarIcon(action)
self.iface.unregisterMainWindowAction(action)
if self.myDockWidget:
self.myDockWidget.close()
self.myDockWidget = None
def run(self):
"""
Run method that performs all the real work
"""
# show the dialog
if self.myDockWidget.isVisible():
self.myDockWidget.hide()
else:
self.myDockWidget.close()
self.myDockWidget = None
self.myDockWidget = MainApp(self.iface)
self.iface.addDockWidget(Qt.TopDockWidgetArea, self.myDockWidget)
self.myDockWidget.show()