issrg.pba.management.manager.gui
Class IntegerDocument

java.lang.Object
  javax.swing.text.AbstractDocument
      javax.swing.text.PlainDocument
          issrg.pba.management.manager.gui.IntegerDocument

All Implemented Interfaces:

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

public class IntegerDocument
extends javax.swing.text.PlainDocument

A Document that will only accept integer characters.

PlainDocument implements javax.swing.text.Document, which is passed into an instance of JTextField when it is constructed.

When characters are typed into the field on the screen by the user, the insertString of this class is called, and this implementation will only allow Integers to be accepted.

Version:

0.1.2008.01.26

Author:

mfb4@kent.ac.uk

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

IntegerDocument()
constructor.

Method Summary

void	insertString(int offset, java.lang.String insertString, javax.swing.text.AttributeSet a) The method that checks character by character that only integers are entered.

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

IntegerDocument

public IntegerDocument()

constructor.

Since:

0.1.2008.01.26

Method Detail

insertString

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

The method that checks character by character that only integers are entered.

Specified by:

insertString in interface javax.swing.text.Document

Overrides:

insertString in class javax.swing.text.PlainDocument

Parameters:

offset - - the starting offset >= 0

insertString - - the string to insert; does nothing with null/empty strings

a - - the attributes for the inserted content

Throws:

javax.swing.text.BadLocationException - thrown by the the overridden super method.

Since:

0.1.2008.01.26

See Also:

PlainDocument