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

SelectionState  - 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.edit
類別public class SelectionState
繼承SelectionState Inheritance TextRange Inheritance Object

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

SelectionState 類別代表文字流排中的選取範圍。

選取範圍具有錨點 (代表文字選取範圍的開始位置) 以及作用點 (代表選取範圍所延伸的目標位置)。在文字中,作用點可以在錨點的前面或後面。如果修改選取範圍 (例如,使用者在按住 Shift 鍵時按一下滑鼠),則作用點會變更,但錨點永遠會停留在相同的位置。

相關 API 元素



公用屬性
 屬性定義自
 InheritedabsoluteEnd : int
選取範圍的結尾 (為 TextFlow 中的絕對位置)。
TextRange
 InheritedabsoluteStart : int
選取範圍的開頭 (為 TextFlow 中的絕對位置)。
TextRange
 InheritedactivePosition : int
選取範圍的作用位置 (為 TextFlow 中的絕對位置)。
TextRange
 InheritedanchorPosition : int
選取範圍的錨點位置 (為 TextFlow 中的絕對位置)。
TextRange
 Inheritedconstructor : Object
類別物件的參照或是特定物件實體的建構函數。
Object
  pointFormat : flashx.textLayout.formats:ITextLayoutFormat
將套用至插入文字的格式特質。
SelectionState
 InheritedtextFlow : flashx.textLayout.elements:TextFlow
傳回與選取範圍相關的 TextFlow。
TextRange
公用方法
 方法定義自
  
建立 SelectionState 物件。
SelectionState
 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
 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
  
updateRange(newAnchorPosition:int, newActivePosition:int):Boolean
[覆寫] 使用新的錨點或作用位置值來更新選取範圍。
SelectionState
 Inherited
會傳回指定之物件的基本值。
Object
屬性詳細資訊

pointFormat

屬性
pointFormat:flashx.textLayout.formats:ITextLayoutFormat

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

將套用至插入文字的格式特質。

注意:pointFormat 物件未含繼承的樣式。若要取得所有適用的樣式定義,請使用 ISelectionManager 類別的 getCommonCharacterFormat() 方法。



實作
    public function get pointFormat():flashx.textLayout.formats:ITextLayoutFormat
    public function set pointFormat(value:flashx.textLayout.formats:ITextLayoutFormat):void

相關 API 元素

建構函式詳細資料

SelectionState

()建構函式
public function SelectionState(root:flashx.textLayout.elements:TextFlow, anchorPosition:int, activePosition:int, format:flashx.textLayout.formats:ITextLayoutFormat = null)

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

建立 SelectionState 物件。

注意:請不要建構 SelectionState 物件來建立選取範圍。若要在文字流排中建立選取範圍,請呼叫相關 ISelectionManager 實體 (指定給文字流排之 interactionManager 屬性的 SelectionManager 或 EditManager 物件) 的 setSelection() 方法。

參數
root:flashx.textLayout.elements:TextFlow — 與選取範圍相關的 TextFlow。
 
anchorPosition:int — 選取範圍的錨點索引。
 
activePosition:int — 選取範圍的作用索引。
 
format:flashx.textLayout.formats:ITextLayoutFormat (default = null) — 在點選取時,要套用至下一個輸入字元的 TextLayoutFormat

相關 API 元素

方法詳細資訊

updateRange

()方法
override public function updateRange(newAnchorPosition:int, newActivePosition:int):Boolean

使用新的錨點或作用位置值來更新選取範圍。

如果變更選取範圍,則會清除 pointFormat 樣式。

參數

newAnchorPosition:int — 選取範圍的錨點索引。
 
newActivePosition:int — 選取範圍的作用索引。

傳回值
Boolean — 如果變更選取範圍,則為 true




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