| 套件 | mx.managers |
| 介面 | public interface IHistoryManagerClient |
| 實作者 | Accordion, PanelManager, ViewStack |
| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
This interface is implemented by the Flex navigator containers TabNavigator, Accordion, and ViewStack. It must be implemented by any other component that is registered with the HistoryManager.
相關 API 元素
公用方法
| 方法 | 定義自 | ||
|---|---|---|---|
Loads the state of this object. | IHistoryManagerClient | ||
Saves the state of this object. | IHistoryManagerClient | ||
Converts this object to a unique string. | IHistoryManagerClient | ||
方法詳細資訊
loadState | () | 方法 |
public function loadState(state:Object):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
Loads the state of this object.
參數
state:Object — State of this object to load.
This will be null when loading the initial state of the application.
|
範例
如何使用本範例
The following code loads the selected index and search string from the saved state.
public function loadState(state:Object):void
{
// First, check to see if state is null. When the app is reset
// back to its initial state, loadState() is passed null.
if (state == null)
{
myList.selectedIndex = -1;
mySearchInput.text = "";
}
else
{
myList.selectedIndex = state.selectedIndex;
mySearchInput.text = state.searchString;
}
}
saveState | () | 方法 |
public function saveState():Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
Saves the state of this object. The object contains name:value pairs for each property to be saved with the state.
The History Manager collects the state information from all components and encodes the information in a URL format. Most browsers have a length limitation on URLs, so the state information returned should be as minimal as possible.
傳回值Object — The state of this object.
|
範例
如何使用本範例
The following code saves the selected index from a List, and a search string.
public function saveState():Object
{
var state:Object = {};
state.selectedIndex = myList.selectedIndex;
state.searchString = mySearchInput.text;
return state;
}
toString | () | 方法 |
Tue Jun 12 2018, 03:47 PM Z