適用於 Adobe® Flash® Platform 的 ActionScript® 3.0 參考
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flashx.textLayout.operations 

FlowOperation  - AS3

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語言元素

全域常數
全域函數
運算子
陳述式、關鍵字和指令
特殊類型

附錄

新增內容
編譯器錯誤
編譯器警告
執行階段錯誤
移轉至 ActionScript 3
支援的字元集
僅限 MXML 標籤
移動 XML 元素
Timed Text 標籤
不建議元素清單
AccessibilityImplementation 常數
如何使用 ActionScript 範例
法律聲明
套件flashx.textLayout.operations
類別public class FlowOperation
繼承FlowOperation Inheritance Object
實作 IOperation
子類別 CompositeOperation, FlowTextOperation, RedoOperation, TextInputOperation, UndoOperation

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

FlowOperation 類別是所有 Text Layout Framework 作業的基底類別。

作業是文字流排的變形。Operation 類別定義執行及還原變形的邏輯。由編輯管理員執行作業。大部分的應用程式不需要直接建立或管理作業 (除非實作自訂編輯管理員)。

執行作業時,編輯管理員會在 FlowOperationEvent 物件內傳送作業物件。您可以查詢此作業物件以決定是否允許此作業、決定是否也執行一些其他作業,或更新相關的使用者介面元素。

相關 API 元素



公用屬性
 屬性定義自
  beginGeneration : uint
[唯讀] 在作業之前產生的文字流排。
FlowOperation
 Inheritedconstructor : Object
類別物件的參照或是特定物件實體的建構函數。
Object
  endGeneration : uint
[唯讀] 在作業之後產生的文字流排。
FlowOperation
  textFlow : flashx.textLayout.elements:TextFlow
套用此作業的 TextFlow 物件。
FlowOperation
  userData : *
與元素相關聯的任意資料。
FlowOperation
公用方法
 方法定義自
  
建立 FlowOperation 物件。
FlowOperation
  
測試此作業是否可置於還原堆疊上。
FlowOperation
  
執行作業。
FlowOperation
 Inherited
指出物件是否有已定義的指定屬性。
Object
 Inherited
指出 Object 類別的實體是否位於指定為參數的物件原型鏈中。
Object
 Inherited
指出指定的屬性是否存在,以及是否可列舉。
Object
  
重新執行作業。
FlowOperation
 Inherited
為迴圈作業設定動態屬性的可用性。
Object
 Inherited
傳回代表此物件的字串,根據地區特定慣例進行格式化。
Object
 Inherited
會傳回指定之物件的字串形式。
Object
  
反轉作業。
FlowOperation
 Inherited
會傳回指定之物件的基本值。
Object
屬性詳細資訊

beginGeneration

屬性
beginGeneration:uint  [唯讀]

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

在作業之前產生的文字流排。

產生 0 表示作業並未完成。



實作
    public function get beginGeneration():uint

endGeneration

屬性 
endGeneration:uint  [唯讀]

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

在作業之後產生的文字流排。

產生 0 表示作業並未完成。



實作
    public function get endGeneration():uint

textFlow

屬性 
textFlow:flashx.textLayout.elements:TextFlow

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

套用此作業的 TextFlow 物件。



實作
    public function get textFlow():flashx.textLayout.elements:TextFlow
    public function set textFlow(value:flashx.textLayout.elements:TextFlow):void

userData

屬性 
public var userData:*

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

與元素相關聯的任意資料。

建構函式詳細資料

FlowOperation

()建構函式
public function FlowOperation(textFlow:flashx.textLayout.elements:TextFlow)

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

建立 FlowOperation 物件。

參數
textFlow:flashx.textLayout.elements:TextFlow — 套用此作業的文字流排。
方法詳細資訊

canUndo

()方法
public function canUndo():Boolean

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

測試此作業是否可置於還原堆疊上。

傳回值
Boolean — true 代表將作業推入還原堆疊。false 代表不推入此作業。

doOperation

()方法 
public function doOperation():Boolean

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

執行作業。

必須在衍生類別中覆寫此方法。基底類別方法不會執行任何動作。不可直接呼叫 doOperation()。當編輯管理員執行作業時會呼叫此方法。

傳回值
Boolean — 如果作業成功,則布林值為 true。否則為 false

redo

()方法 
public function redo():SelectionState

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

重新執行作業。

必須在衍生類別中覆寫此方法。基底類別方法不會執行任何動作。不可直接呼叫 redo()。當編輯管理員再次執行作業時會呼叫此方法。

傳回值
SelectionState — SelectionState 物件執行時,會傳遞給作業。此 SelectionState 物件可以是目前的選取範圍,或針對作業建立的選取範圍。

undo

()方法 
public function undo():SelectionState

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

反轉作業。

必須在衍生類別中覆寫此方法。基底類別方法不會執行任何動作。不可直接呼叫 undo()。當編輯管理員反轉作業時會呼叫此方法。

傳回值
SelectionState — SelectionState 物件執行時,會傳遞給作業。此 SelectionState 物件可以是目前的選取範圍,或針對作業建立的選取範圍。




[ X ]為什麼顯示英文?
「ActionScript 3.0 參考」的內容是以英文顯示

並非所有「ActionScript 3.0 參考」的內容都翻譯為所有語言。當語言元素未翻譯時,就會以英文顯示。例如,ga.controls.HelpBox 類別並沒有翻譯為任何語言。因此在參考的繁體中文版本中,ga.controls.HelpBox 類別就會以英文顯示。