DefaultStyledDocument.ElementBuffer (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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javax.swing.text
Class DefaultStyledDocument.ElementBuffer

java.lang.Object
  javax.swing.text.DefaultStyledDocument.ElementBuffer

All Implemented Interfaces:: Serializable

Enclosing class:: DefaultStyledDocument

public class DefaultStyledDocument.ElementBuffer
extends Object
implements Serializable
extends Object
implements Serializable

Class to manage changes to the element hierarchy.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder.

Constructor Summary

DefaultStyledDocument.ElementBuffer(Element root)
          Creates a new ElementBuffer.

Method Summary

void change(int offset, int length, AbstractDocument.DefaultDocumentEvent de)
          Changes content.

protected void changeUpdate()
          Updates the element structure in response to a change in the document.

Element clone(Element parent, Element clonee)
          Creates a copy of this element, with a different parent.

Element getRootElement()
          Gets the root element.

void insert(int offset, int length, DefaultStyledDocument.ElementSpec[] data, AbstractDocument.DefaultDocumentEvent de)
          Inserts new content.

protected void insertUpdate(DefaultStyledDocument.ElementSpec[] data)
          Inserts an update into the document.

void remove(int offset, int length, AbstractDocument.DefaultDocumentEvent de)
          Removes content.

protected void removeUpdate()
          Updates the element structure in response to a removal from the associated sequence in the document.

Methods inherited from class java.lang.Object

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

Constructor Summary
`DefaultStyledDocument.ElementBuffer(Element root)` Creates a new ElementBuffer.

Method Summary
`void`	`change(int offset, int length, AbstractDocument.DefaultDocumentEvent de)` Changes content.
`protected void`	`changeUpdate()` Updates the element structure in response to a change in the document.
`Element`	`clone(Element parent, Element clonee)` Creates a copy of this element, with a different parent.
`Element`	`getRootElement()` Gets the root element.
`void`	`insert(int offset, int length, DefaultStyledDocument.ElementSpec[] data, AbstractDocument.DefaultDocumentEvent de)` Inserts new content.
`protected void`	`insertUpdate(DefaultStyledDocument.ElementSpec[] data)` Inserts an update into the document.
`void`	`remove(int offset, int length, AbstractDocument.DefaultDocumentEvent de)` Removes content.
`protected void`	`removeUpdate()` Updates the element structure in response to a removal from the associated sequence in the document.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

DefaultStyledDocument.ElementBuffer

public DefaultStyledDocument.ElementBuffer(Element root)

Creates a new ElementBuffer.

Parameters:: root - the root element

Method Detail

getRootElement

public Element getRootElement()

Gets the root element.

Returns:: the root element

insert

public void insert(int offset,
                   int length,
                   DefaultStyledDocument.ElementSpec[] data,
                   AbstractDocument.DefaultDocumentEvent de)

Inserts new content.

Parameters:: offset - the starting offset >= 0; length - the length >= 0; data - the data to insert; de - the event capturing this edit

remove

public void remove(int offset,
                   int length,
                   AbstractDocument.DefaultDocumentEvent de)

Removes content.

Parameters:: offset - the starting offset >= 0; length - the length >= 0; de - the event capturing this edit

change

public void change(int offset,
                   int length,
                   AbstractDocument.DefaultDocumentEvent de)

Changes content.

Parameters:: offset - the starting offset >= 0; length - the length >= 0; de - the event capturing this edit

insertUpdate

protected void insertUpdate(DefaultStyledDocument.ElementSpec[] data)

Inserts an update into the document.

Parameters:: data - the elements to insert

removeUpdate

protected void removeUpdate()

Updates the element structure in response to a removal from the associated sequence in the document. Any elements consumed by the span of the removal are removed.

changeUpdate

protected void changeUpdate()

Updates the element structure in response to a change in the document.

clone

public Element clone(Element parent,
                     Element clonee)

Creates a copy of this element, with a different parent.

Parameters:: parent - the parent element; clonee - the element to be cloned
Returns:: the copy