{
  "widgettype": "Page",
  "options": {
    "title": "审批管理",
    "style": {"height": "100vh", "overflow": "hidden"}
  },
  "subwidgets": [
    {
      "widgettype": "HBox",
      "options": {"style": {"height": "100vh"}},
      "subwidgets": [
        {
          "widgettype": "Drawer",
          "options": {"width": 220, "variant": "permanent", "style": {"backgroundColor": "#1a1a2e"}},
          "subwidgets": [
            {
              "widgettype": "VBox",
              "options": {"gap": 4, "style": {"padding": "8px"}},
              "subwidgets": [
                {
                  "widgettype": "Text",
                  "options": {
                    "text": "审批管理",
                    "style": {"color": "#fff", "fontSize": "18px", "fontWeight": "bold", "padding": "12px 8px"}
                  }
                },
                {
                  "widgettype": "Divider",
                  "options": {"style": {"backgroundColor": "#333", "margin": "8px 0"}}
                },
                {
                  "widgettype": "ListTile",
                  "options": {
                    "leading": "account_tree",
                    "title": "工作流配置",
                    "style": {"color": "#ccc"},
                    "onclick": "navigate('main/workflow_approval/approval_workflow.ui')"
                  }
                },
                {
                  "widgettype": "ListTile",
                  "options": {
                    "leading": "assignment",
                    "title": "审批实例",
                    "style": {"color": "#ccc"},
                    "onclick": "navigate('main/workflow_approval/approval_instance.ui')"
                  }
                },
                {
                  "widgettype": "ListTile",
                  "options": {
                    "leading": "assignment_turned_in",
                    "title": "待办任务",
                    "style": {"color": "#ccc"},
                    "onclick": "navigate('main/workflow_approval/approval_task.ui')"
                  }
                }
              ]
            }
          ]
        },
        {
          "widgettype": "Frame",
          "id": "workflow_frame",
          "options": {"flex": 1, "src": "main/workflow_approval/approval_workflow.ui"}
        }
      ]
    }
  ]
}