| 套件 | spark.components |
| 介面 | public interface IItemRendererOwner |
| 實作者 | DataGroup, SkinnableDataContainer |
| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The class defining the item renderer must implement the IItemRenderer interface.
相關 API 元素
公用方法
| 方法 | 定義自 | ||
|---|---|---|---|
Returns the String for display in an item renderer. | IItemRendererOwner | ||
Updates the renderer for reuse. | IItemRendererOwner | ||
方法詳細資訊
itemToLabel | () | 方法 |
public function itemToLabel(item:Object):String| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the String for display in an item renderer.
The String is written to the labelText
property of the item renderer.
參數
item:Object — The data item to display.
|
String — The String for display in an item renderer.
|
updateRenderer | () | 方法 |
public function updateRenderer(renderer:IVisualElement, itemIndex:int, data:Object):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Updates the renderer for reuse. This method first prepares the item renderer for reuse by cleaning out any stale properties as well as updating it with new properties.
The last thing this method should do is set the data property
of the item renderer.
參數
renderer:IVisualElement — The item renderer.
| |
itemIndex:int — The index of the data in the data provider.
| |
data:Object — The data object this item renderer is representing.
|
Tue Jun 12 2018, 03:47 PM Z