Class DefaultStyledDocument.ElementBuffer
- java.lang.Object
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- javax.swing.text.DefaultStyledDocument.ElementBuffer
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- All Implemented Interfaces:
- Serializable
- Enclosing class:
- DefaultStyledDocument
public class DefaultStyledDocument.ElementBuffer 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™ has been added to the
java.beanspackage. Please seeXMLEncoder.
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Constructor Summary
Constructors Constructor and Description ElementBuffer(Element root)Creates a new ElementBuffer.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description voidchange(int offset, int length, AbstractDocument.DefaultDocumentEvent de)Changes content.protected voidchangeUpdate()Updates the element structure in response to a change in the document.Elementclone(Element parent, Element clonee)Creates a copy of this element, with a different parent.ElementgetRootElement()Gets the root element.voidinsert(int offset, int length, DefaultStyledDocument.ElementSpec[] data, AbstractDocument.DefaultDocumentEvent de)Inserts new content.protected voidinsertUpdate(DefaultStyledDocument.ElementSpec[] data)Inserts an update into the document.voidremove(int offset, int length, AbstractDocument.DefaultDocumentEvent de)Removes content.protected voidremoveUpdate()Updates the element structure in response to a removal from the associated sequence in the document.
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Constructor Detail
ElementBuffer
public ElementBuffer(Element root)
Creates a new ElementBuffer.- Parameters:
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root- the root element - Since:
- 1.4
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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:
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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:
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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:
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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:
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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.
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