feat: initialization for translation support

.gitignore

@@ -4,7 +4,6 @@ docs/wiki/OSMtools.wiki/
 ./LICENSE.md
 ./apikey.txt
 *.pyc
-i18n/
 test/
 .spyproject/
 dist/

ORStools/ORStoolsPlugin.py

@@ -28,6 +28,8 @@
 """
 
 from qgis.core import QgsApplication
+from PyQt5.QtCore import QTranslator, QSettings, qVersion, QCoreApplication
+import os.path
 
 from .gui import ORStoolsDialog
 from .proc import provider
@@ -48,6 +50,23 @@ def __init__(self, iface):
         self.dialog = ORStoolsDialog.ORStoolsDialogMain(iface)
         self.provider = provider.ORStoolsProvider()
 
+        # 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',
+            'orstools_{}.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)
+
     def initGui(self):
         """Create the menu entries and toolbar icons inside the QGIS GUI."""
 

ORStools/i18n/translate.pro

@@ -0,0 +1,15 @@
+FORMS = ../gui/ORStoolsDialogConfigUI.ui \
+        ../gui/ORStoolsDialogUI.ui
+
+SOURCES = ../common/directions_core.py \
+          ../proc/base_processing_algorithm.py \
+          ../proc/directions_lines_proc.py \
+          ../proc/directions_points_layer_proc.py \
+          ../proc/directions_points_layers_proc.py \
+          ../proc/isochrones_layer_proc.py \
+          ../proc/isochrones_point_proc.py \
+          ../proc/matrix_proc.py \
+          ../gui/ORStoolsDialog.py \
+          ../gui/ORStoolsDialogConfig.py
+
+TRANSLATIONS = orstools_de.ts