javascript - 在 Kendo HierarchicalDataSource 中推送创建子节点

Question

我正在尝试显示配置了远程数据的 Kendo TreeView，但使用直接从 html 加载的数据预填充前两个级别。

为此，我想使用 Kendo 数据源的 pushCreate 方法将初始元素添加到树中:

homogeneous = new kendo.data.HierarchicalDataSource({
    transport: { read: { url: serviceRoot + "/Employees", dataType: "jsonp" } },
    schema: {
        model: {
            id: "EmployeeId",
            hasChildren: "HasEmployees"
        }
    }
});

// Adding root
homogeneous.pushCreate({"EmployeeId":2,"FullName":"Andrew Fuller","HasEmployees":true,"ReportsTo":null});

// Adding children
homogeneous.pushCreate([
    {"EmployeeId":1,"FullName":"Nancy Davolio","HasEmployees":false,"ReportsTo":2},
    {"EmployeeId":3,"FullName":"Janet Leverling","HasEmployees":false,"ReportsTo":2},
    {"EmployeeId":4,"FullName":"Margaret Peacock","HasEmployees":false,"ReportsTo":2},
    {"EmployeeId":5,"FullName":"Steven Buchanan","HasEmployees":true,"ReportsTo":2},
    {"EmployeeId":8,"FullName":"Laura Callahan","HasEmployees":false,"ReportsTo":2}
]);

$("#treeview").kendoTreeView({
    dataSource: homogeneous,
    dataTextField: "FullName"
});

但是，子元素被添加到根级别(您可以看到运行 here )。

有一个 schema.model.children 配置来设置将子元素保存在根元素内的属性，我可以一次性添加所有内容，但是如果我使用它，那么 dataSource 将停止处理远程数据(您可以看到运行 here )。

所以问题是，有没有办法使用 pushCreate 在 HierarchicalDataSource 上添加元素作为另一个元素的子元素？

Answer 1

我在写问题时找到了答案:)

似乎如果我只是使用 items 作为 child 的键，我不需要指定 schema.model.children 选项，所以树仍然可以处理远程数据:

homogeneous.pushCreate(
    {"EmployeeId":2,"FullName":"Andrew Fuller","HasEmployees":true,"ReportsTo":null,
        "items": [
            {"EmployeeId":1,"FullName":"Nancy Davolio","HasEmployees":false,"ReportsTo":2},
            {"EmployeeId":3,"FullName":"Janet Leverling","HasEmployees":false,"ReportsTo":2},
            {"EmployeeId":4,"FullName":"Margaret Peacock","HasEmployees":false,"ReportsTo":2},
            {"EmployeeId":5,"FullName":"Steven Buchanan","HasEmployees":true,"ReportsTo":2},
            {"EmployeeId":8,"FullName":"Laura Callahan","HasEmployees":false,"ReportsTo":2}
        ]
    }
);

Here's the working example 。

我不知道这是否是意外功能，但可用于向根添加整个子树(这解决了我的问题)。但是问题仍然存在，我可以使用 pushCreate 将子元素添加到另一个元素吗？