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#!/usr/bin/python
# -*- coding: UTF-8 -*-
#=============================================================
#=================== TimeManager ========================
#=================== a QGIS Plug-In ========================
#=============================================================
#
# ***************************************************************************
# * *
# * 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 qgis.utils import qgsfunction, QgsExpression
from PyQt4.QtCore import QTranslator, QCoreApplication, qVersion, QSettings, QLocale
from timemanagercontrol import TimeManagerControl
import time_util
import resources # loads the icons
import os
import locale
import conf
from tmlogging import info, warn, error
I18N_FOLDER = "i18n"
class timemanager:
""" plugin information """
name = "timemanager"
longName = "TimeManager Plugin for QGIS >= 2.3"
description = "Working with temporal vector data"
author = "Anita Graser, Karolina Alexiou"
pluginUrl = "https://github.com/anitagraser/TimeManager"
def __init__(self, iface):
"""initialize the plugin"""
global control
try:
control
except NameError:
try:
overrideLocale = bool(QSettings().value("locale/overrideFlag", False))
if not overrideLocale:
lang = QLocale.system().name().split("_")[0]
else:
lang = QSettings().value("locale/userLocale", "").split("_")[0]
except:
lang = "en" # could not get locale, OSX may have this bug
info("Plugin language loaded: {}".format(lang))
self.change_i18n(lang)
control = TimeManagerControl(iface)
def getController(self):
return control
def initGui(self):
"""initialize the gui"""
control.load()
def unload(self):
"""Unload the plugin"""
control.unload()
QgsExpression.unregisterFunction("$animation_datetime")
QgsExpression.unregisterFunction("animation_datetime")
def change_i18n(self, new_lang):
"""Change internationalisation for the plugin.
Override the system locale and then see if we can get a valid
translation file for whatever locale is effectively being used.
"""
#os.environ["LANG"] = str(new_lang)
root = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
translation_path = os.path.join(
root, self.name, I18N_FOLDER,
self.name+"_" + str(new_lang) + ".qm")
if os.path.exists(translation_path):
self.translator = QTranslator()
result = self.translator.load(translation_path)
if not result:
error(
"Translation file {} for lang {} was not loaded properly,"
+ "falling back to English".format(translation_path, new_lang)
)
return
if qVersion() > "4.3.3":
QCoreApplication.installTranslator(self.translator)
else:
self.translator = None
warn("Translation not supported for Qt <= {}".format(qVersion()))
else:
if new_lang != "en":
warn("Translation failed for lang {}, falling back to English".format(new_lang))
@qgsfunction(0, "TimeManager")
def animation_datetime(values, feature, parent):
"""called by QGIS to determine the current animation time"""
return time_util.datetime_to_str(control.getTimeLayerManager().getCurrentTimePosition(),
time_util.DEFAULT_FORMAT)