{
  "widgettype": "VBox",
  "id": "root",
  "options": {"css": "filler"},
  "subwidgets": [
    {
      "widgettype": "TopBar",
      "id": "topbar",
      "options": {"title": "唤景平台世界模式", "user": "app.user"}
    },
    {
      "widgettype": "HBox",
      "id": "body",
      "options": {"css": "filler"},
      "subwidgets": [
        {
          "widgettype": "VBox",
          "id": "main_content",
          "options": {"css": "filler"},
          "subwidgets": [
            {
              "widgettype": "NavMenu",
              "id": "nav_menu",
              "options": {
                "items": [
                  {"label": "世界", "target": "app.main_content", "url": "/world/list"},
                  {"label": "场景", "target": "app.main_content", "url": "/scene/list"},
                  {"label": "实体", "target": "app.main_content", "url": "/entity/list"},
                  {"label": "脚本引擎", "target": "app.main_content", "url": "/script_engine/list"},
                  {"label": "世界快照", "target": "app.main_content", "url": "/world_snapshot/list"},
                  {"label": "世界同步", "target": "app.main_content", "url": "/world_sync/list"}
                ]
              }
            }
          ]
        },
        {
          "widgettype": "VBox",
          "id": "sidebar",
          "options": {"css": "sidebar", "width": 220},
          "subwidgets": [
            {
              "widgettype": "Card",
              "id": "side_card",
              "options": {"title": "模块导航"},
              "subwidgets": [
                {
                  "widgettype": "Label",
                  "id": "side_label",
                  "options": {"text": "世界 / 场景 / 实体 / 脚本 / 快照 / 同步"}
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}