org.sf.cafebabe.gadget.bodyeditor.util
Class HexDocument

java.lang.Object
  javax.swing.text.AbstractDocument
      javax.swing.text.PlainDocument
          org.sf.cafebabe.gadget.bodyeditor.util.HexDocument

All Implemented Interfaces:

java.io.Serializable, javax.swing.text.Document

public class HexDocument
extends javax.swing.text.PlainDocument

Document replacement to only accept hex digits as input. If the user enters something other than hex digits, they are not entered, and the system beeps.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.text.AbstractDocument

javax.swing.text.AbstractDocument.AbstractElement, javax.swing.text.AbstractDocument.AttributeContext, javax.swing.text.AbstractDocument.BranchElement, javax.swing.text.AbstractDocument.Content, javax.swing.text.AbstractDocument.DefaultDocumentEvent, javax.swing.text.AbstractDocument.ElementEdit, javax.swing.text.AbstractDocument.LeafElement

Field Summary

Fields inherited from class javax.swing.text.PlainDocument

lineLimitAttribute, tabSizeAttribute

Fields inherited from class javax.swing.text.AbstractDocument

BAD_LOCATION, BidiElementName, ContentElementName, ElementNameAttribute, listenerList, ParagraphElementName, SectionElementName

Fields inherited from interface javax.swing.text.Document

StreamDescriptionProperty, TitleProperty

Constructor Summary

HexDocument(byte[] buffer)

Method Summary

byte[]	getBytes()
void	insertString(int offset, java.lang.String str, javax.swing.text.AttributeSet attr) Handles the insertion of characters into the document, disallowing anything other than hex digits.

Methods inherited from class javax.swing.text.PlainDocument

createDefaultRoot, getDefaultRootElement, getParagraphElement, insertUpdate, removeUpdate

Methods inherited from class javax.swing.text.AbstractDocument

addDocumentListener, addUndoableEditListener, createBranchElement, createLeafElement, createPosition, dump, fireChangedUpdate, fireInsertUpdate, fireRemoveUpdate, fireUndoableEditUpdate, getAsynchronousLoadPriority, getAttributeContext, getBidiRootElement, getContent, getCurrentWriter, getDocumentFilter, getDocumentListeners, getDocumentProperties, getEndPosition, getLength, getListeners, getProperty, getRootElements, getStartPosition, getText, getText, getUndoableEditListeners, postRemoveUpdate, putProperty, readLock, readUnlock, remove, removeDocumentListener, removeUndoableEditListener, render, replace, setAsynchronousLoadPriority, setDocumentFilter, setDocumentProperties, writeLock, writeUnlock

Methods inherited from class java.lang.Object

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

Constructor Detail

HexDocument

public HexDocument(byte[] buffer)

Method Detail

getBytes

public byte[] getBytes()

insertString

public void insertString(int offset,
                         java.lang.String str,
                         javax.swing.text.AttributeSet attr)
                  throws javax.swing.text.BadLocationException

Handles the insertion of characters into the document, disallowing anything other than hex digits. This will work for text entered from the keyboard, as well as pasted from the clipboard.

Specified by:

insertString in interface javax.swing.text.Document

Overrides:

insertString in class javax.swing.text.PlainDocument

Parameters:

offset - int describing the caret location

str - String that is being inserted

attr - AttributeSet

Throws:

javax.swing.text.BadLocationException