{
  "widgettype": "Modal",
  "options": {
    "title": "模态框示例",
    "width": "400px",
    "height": "300px",
    "auto_open": true
  },
  "subwidgets": [
    {
      "widgettype": "Text",
      "options": {
        "text": "这是一个模态对话框",
        "fontSize": "18px"
      }
    },
    {
      "widgettype": "Form",
      "options": {
        "fields": [
          {
            "name": "input",
            "label": "输入内容",
            "uitype": "str"
          }
        ]
      }
    },
    {
      "widgettype": "HBox",
      "subwidgets": [
        {
          "widgettype": "Filler"
        },
        {
          "widgettype": "Button",
          "options": {
            "text": "确定"
          },
          "binds": [
            {
              "wid": "self",
              "event": "click",
              "actiontype": "method",
              "target": "-@Modal",
              "method": "dismiss"
            }
          ]
        }
      ]
    }
  ]
}