{
  "widgettype": "Page",
  "options": {
    "title": "审批实例管理",
    "style": {"height": "100vh", "padding": "0"}
  },
  "subwidgets": [
    {
      "widgettype": "VBox",
      "options": {"style": {"padding": "16px", "height": "100%"}},
      "subwidgets": [
        {
          "widgettype": "HBox",
          "options": {"style": {"marginBottom": "16px"}},
          "subwidgets": [
            {
              "widgettype": "Text",
              "options": {"text": "审批实例管理", "style": {"fontSize": "20px", "fontWeight": "bold"}}
            },
            {
              "widgettype": "Button",
              "options": {
                "label": "发起审批",
                "style": {"backgroundColor": "#007bff", "color": "#fff", "border": "none", "padding": "8px 16px", "borderRadius": "4px", "marginLeft": "auto"},
                "onclick": "openDialog('newInstanceDialog')"
              }
            }
          ]
        },
        {
          "widgettype": "DataViewer",
          "options": {
            "title": "审批实例",
            "data_url": "/main/workflow_approval/api/instance_list.dspy",
            "page_rows": 20,
            "row_options": {
              "fields": [
                {"name": "title", "label": "审批标题", "uitype": "text"},
                {"name": "workflow_name", "label": "工作流", "uitype": "text"},
                {"name": "module_type", "label": "模块类型", "uitype": "text"},
                {"name": "status", "label": "状态", "uitype": "text"},
                {"name": "created_at", "label": "发起时间", "uitype": "text"},
                {"name": "completed_at", "label": "完成时间", "uitype": "text"}
              ]
            }
          }
        },
        {
          "widgettype": "Dialog",
          "id": "newInstanceDialog",
          "options": {
            "title": "发起审批",
            "width": 500,
            "content": {
              "widgettype": "Form",
              "id": "newInstanceForm",
              "fields": [
                {"name": "workflow_id", "label": "选择工作流", "uitype": "code", "data_url": "/main/workflow_approval/api/workflow_list.dspy", "required": true},
                {"name": "module_type", "label": "模块类型", "uitype": "code", "data": [
                  {"value": "customer", "text": "客户管理"},
                  {"value": "opportunity", "text": "商机管理"},
                  {"value": "contract", "text": "合同管理"},
                  {"value": "financial", "text": "财务管理"}
                ], "required": true},
                {"name": "module_record_id", "label": "业务记录ID", "uitype": "text", "required": true},
                {"name": "title", "label": "审批标题", "uitype": "text", "required": true},
                {"name": "description", "label": "审批描述", "uitype": "textarea"}
              ],
              "actions": [
                {"widgettype": "Button", "options": {"label": "取消", "onclick": "closeDialog('newInstanceDialog')"}},
                {"widgettype": "Button", "options": {"label": "提交", "style": {"backgroundColor": "#007bff", "color": "#fff"}, "onclick": "submitForm('newInstanceForm', '/main/workflow_approval/api/instance_create.dspy', 'newInstanceDialog', null)"}}
              ]
            }
          }
        }
      ]
    }
  ]
}