Question

flex4.0 datagrid怎么动态添加itemrenderer

AdvancedDataGrid 根据ID去动态添加列。列动态绑定itemrenderer ，里面实现类似输入框，。
之前静态

Answer 1

给你个例子

<?xml version="1.0"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx">
    <fx:Script><![CDATA[
        import mx.collections.ArrayCollection;
        import mx.controls.advancedDataGridClasses.AdvancedDataGridColumn;


        private var fields:Array = ['id', 'name'];
        private var ac:ArrayCollection = new ArrayCollection([
            {id: 1, name: 'aaaa'},
            {id: 2, name: 'bbbb'},
            {id: 3, name: 'cccc'}
        ]);

        private function button1_clickHandler(e:MouseEvent):void {
            var columns:Array = [];
            for each (var field:String in fields) {
                var column:AdvancedDataGridColumn = new AdvancedDataGridColumn();
                column.dataField = column.headerText = field;

                if(field == 'name') {
                    column.itemRenderer = new ClassFactory(TextInputRenderer);
                }

                columns.push(column);
            }

            adg.dataProvider = ac;
            adg.columns = columns;
        }
        ]]></fx:Script>
    <fx:Declarations>
        <fx:Component id="myComponent" className="TextInputRenderer">
            <mx:TextInput text="@{data.name}"/>
        </fx:Component>
    </fx:Declarations>
    <mx:AdvancedDataGrid id="adg" width="400" height="300">

    </mx:AdvancedDataGrid>
    <s:controlBarContent>
        <s:Button label="create columns" click="button1_clickHandler(event)"/>
    </s:controlBarContent>
</s:Application>