javax.swing.text

Class DefaultStyledDocument.AttributeUndoableEdit

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.text.DefaultStyledDocument.AttributeUndoableEdit

All Implemented Interfaces:

Serializable， UndoableEdit

Enclosing class:

DefaultStyledDocument

public static class DefaultStyledDocument.AttributeUndoableEdit
extends AbstractUndoableEdit

一个undoableedit用来记住attributeset改变元素。

Field Summary

Fields

Modifier and Type	Field and Description
protected AttributeSet	copy
protected Element	element
protected boolean	isReplacing
protected AttributeSet	newAttributes

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

构造方法摘要

构造方法

Constructor and Description
AttributeUndoableEdit(Element element, AttributeSet newAttributes, boolean isReplacing)

方法摘要

Modifier and Type	Method and Description
void	redo() 重作的变化。
void	undo() 撤消更改。

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

addEdit, canRedo, canUndo, die, getPresentationName, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

newAttributes

protected AttributeSet newAttributes

copy

protected AttributeSet copy

isReplacing

protected boolean isReplacing

element

protected Element element

Constructor Detail

AttributeUndoableEdit

public AttributeUndoableEdit(Element element,
                             AttributeSet newAttributes,
                             boolean isReplacing)

方法详细信息

redo

public void redo()
          throws CannotRedoException

重作的变化。

Specified by:

redo 接口 UndoableEdit

重写：

redo 方法重写，继承类 AbstractUndoableEdit

异常

CannotRedoException如果改变不能重来

另请参见：

AbstractUndoableEdit.canRedo()

undo

public void undo()
          throws CannotUndoException

撤消更改。

Specified by:

undo 接口 UndoableEdit

重写：

undo 方法重写，继承类 AbstractUndoableEdit

异常

CannotUndoException如果改变无法挽回

另请参见：

AbstractUndoableEdit.canUndo()