BUGFIX: show error message if file is not writeable

MethodicConfigurator/backend_filesystem.py

@@ -396,10 +396,14 @@ def load_vehicle_components_json_data(self):
             logging_error("Error decoding JSON data from file '%s'.", filepath)
         return data
 
-    def save_vehicle_components_json_data(self, data):
+    def save_vehicle_components_json_data(self, data) -> bool:
         filepath = os_path.join(self.vehicle_dir, self.vehicle_components_json_filename)
-        with open(filepath, 'w', encoding='utf-8') as file:
-            json_dump(data, file, indent=4)
+        try:
+            with open(filepath, 'w', encoding='utf-8') as file:
+                json_dump(data, file, indent=4)
+        except Exception as e:
+            return True
+        return False
 
     def new_vehicle_dir(self, base_dir: str, new_dir: str):
         return os_path.join(base_dir, new_dir)

MethodicConfigurator/frontend_tkinter_component_editor.py

@@ -24,6 +24,7 @@
 from backend_filesystem import LocalFilesystem
 
 from frontend_tkinter_base import show_tooltip
+from frontend_tkinter_base import show_error_message
 from frontend_tkinter_base import ScrollFrame
 from frontend_tkinter_base import BaseWindow
 
@@ -179,8 +180,10 @@ def save_data(self):
             current_data[path[-1]] = value
 
         # Save the updated data back to the JSON file
-        self.local_filesystem.save_vehicle_components_json_data(self.data)
-        logging_info("Data saved successfully.")
+        if self.local_filesystem.save_vehicle_components_json_data(self.data):
+            show_error_message("Error", "Failed to save data to file.")
+        else:
+            logging_info("Data saved successfully.")
         self.root.destroy()