open_map_scene.py

import bpy
import os
from bpy.props import StringProperty, BoolProperty 
from bpy_extras.io_utils import ImportHelper

from .utils import export_import_utils

from . import map_scene_data



class OpenMapScene(bpy.types.Operator): 
    bl_idname = "dsc.open_map_scene" 
    bl_label = "确定" 
    bl_options = {'REGISTER'}

    filepath: bpy.props.StringProperty(subtype="FILE_PATH")

    filter_glob: StringProperty( 
        default='*.json; *.xodr', 
        options={'HIDDEN'} )

    @classmethod
    def poll(cls, context):
        return context.area.type == 'VIEW_3D'
        
    def execute(self, context): 
        export_import_utils.reload_map_scene(context, self.filepath)
        export_import_utils.set_current_opened_map_scene_file(self.filepath)

        return {'FINISHED'}

    def invoke(self, context, event):
        context.window_manager.fileselect_add(self)
        return {'RUNNING_MODAL'}