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我不确定尝试在 dojo.grid.DataGrid 的列中创建不同类型的单元格小部件是否是个好主意,如果我错了,请纠正我。

这是我的问题:我需要显示并让用户编辑一组键值对,所以我选择 DataGrid 来做。key很简单,都是字符串,只是根据某个key值不同。其中一些具有“1-100”之类的范围,其中一些只是具有“真/假”值的开关,其中一些具有多个值可供选择,例如“简单/中/硬”。

所以我认为对于不同类型的值,我应该使用不同的小部件来表示用户可以执行的某些操作。对于第一个,我在值更改时使用带有一些值检查的文本 aera。第二个我应该使用复选框,第三个我应该使用组合框。

在阅读了一些官方的 dojo 1.7 文档后,我发现 dojo.grid.DataGrid 没有提供直接的方法来做我想做的事情,DataGrid 假设一列中的单元格应该具有相同的类型。谁能帮我解决这个问题?给我一些示例代码给我一个方向。谢谢!我也在考虑另一个解决方案,“值”列中的单元格都是文本区域,当单击它时,会出现一个弹出窗口,上面有正确的小部件,在那里更改值。谁能告诉我这种方式是否更容易实施?

谢谢!
克里斯

使用格式化程序代码:

<!DOCTYPE HTML>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>test different widgets in one column</title>
    <link rel="stylesheet" href="lib/1.7.2/dojo/resources/dojo.css">
    <link rel="stylesheet" href="lib/1.7.2/dijit/themes/claro/claro.css">
    <link rel="stylesheet" href="lib/1.7.2/dojox/grid/resources/Grid.css">
    <link rel="stylesheet" href="lib/1.7.2/dojox/grid/resources/claroGrid.css">

    <!-- <link rel="stylesheet" href="style.css" media="screen">
    <link rel="stylesheet" href="../../../resources/style/demo.css" media="screen"> -->
    <!-- load dojo and provide config via data attribute -->
    <script src="lib/1.7.2/dojo/dojo.js"
        data-dojo-config="isDebug: true, async: true">
    </script>
    <script>

        var grid, dataStore;
        require(["dojox/grid/DataGrid", 
                 "dojo/store/Memory",
                 "dojo/data/ObjectStore", 
                 "dojo/_base/xhr",
                 "dojo/domReady!",
                 "dijit/form/Button",
                 "dijit/form/ComboButton",
                 "dijit/Menu",
                 "dijit/MenuItem",
                 "dojox/grid/cells/dijit",
                 "dijit/form/ComboBox",
                 "dijit/form/ValidationTextBox"
                 ], function(DataGrid, Memory, ObjectStore, xhr, Button, ComboButton, Menu, MenuItem, ComboBox, ValidationTextBox) {
                 var gridCellsDijit = dojox.grid.cells;

            xhr.get({
                url: "jsondata",
                handleAs: "json"
            }).then(function(data){
                    dataStore =  new ObjectStore({ objectStore:new Memory({ data: data.items }) });

                    grid = new DataGrid({
                    store: dataStore,
                    query: { id: "*" }, 
                    escapeHTMLInData : false,
                    structure: [

                        {
                            name: "Setting Name", field: "setting_name", width: "50%", editable : false
                        },

                        {
                            name: "value", field: "_item", width: "50%", type: dojox.grid.cells._Widget, editable: false,
                            formatter: function(item, rowIndex, cell){
                                var store = cell.grid.store;
                                if (store.getValue(item, 'type') == 'enum') {
                                    var stateStore = new Memory({
                                            data: [
                                                {name:"setting1", id:"1"},
                                                {name:"setting2", id:"2"},
                                                {name:"setting3", id:"3"},
                                            ]
                                        });

                                    var comboBox = new dijit.form.ComboBox({
                                                name: "state",
                                                value: "setting1",
                                                store: stateStore,
                                                searchAttr: "name"
                                            });
                                    return comboBox;

                                }
                                else {
                                    var tb = new dijit.form.ValidationTextBox({promptMessage:'testtest'});
                                    return tb;
                                }

                            }
                            }
                         ]
                }, "grid");

                grid.startup();
            });
        });
    </script>
</head>
<body class="claro">
    <h1>test different widgets in one column</h1>

    <br/>
    <div id="grid"></div>
</body>

json数据样本是这样的:

{
"items": [
    {
        "setting_name": "setting1", 
        "value": "YES",
        "type":"enum",
        "candidates" : ["YES", "NO"]

    }, 
    {
        "setting_name": "setting2", 
        "value": "Disable",
        "type":"enum",
        "candidates" : ["Disable", "Enable"]

    } ,
    {
        "setting_name": "setting3", 
        "value": "19200",
        "type":"enum",
        "candidates" : ["9600", "19200", "38400", "57600"]
    }, 
    {
        "setting_name": "setting4", 
        "value": "25",
        "type":"decimal",
        "min" : "1",
        "max" : "99"
    }, 
    {
        "setting_name": "setting5", 
        "value": "1A",
        "type":"hex",
        "min" :"0" ,
        "max" :"FF"
    }
   ]

}

4

1 回答 1

0

您可以使用格式化程序或 get 函数来执行此操作。然后根据值显示一种 dijit。我不确定它会起作用,但我认为在触发格式化程序或获取时仍可能更改 cellType。

于 2012-06-25T09:07:23.797 回答