Class LimitadorCaracteres

java.lang.Object
  javax.swing.text.AbstractDocument
      javax.swing.text.PlainDocument
          LimitadorCaracteres

All Implemented Interfaces:

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

 class LimitadorCaracteres
extends javax.swing.text.PlainDocument

Clase que extiende a PlainDocument, formatea el area de texto de modo que sólo sea posible escribir digitos de 0 a 9.

Author:

Nelson López Coppa

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

LimitadorCaracteres()

Method Summary

void	insertString(int arg0, java.lang.String arg1, javax.swing.text.AttributeSet arg2) Método al que llama el editor cada vez que se intenta insertar caracteres.

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

LimitadorCaracteres

LimitadorCaracteres()

Method Detail

insertString

public void insertString(int arg0,
                         java.lang.String arg1,
                         javax.swing.text.AttributeSet arg2)
                  throws javax.swing.text.BadLocationException

Método al que llama el editor cada vez que se intenta insertar caracteres. Sólo debemos verificar arg1, que es la cadena que se quiere insertar en el JTextField

Specified by:

insertString in interface javax.swing.text.Document

Overrides:

insertString in class javax.swing.text.PlainDocument

Throws:

javax.swing.text.BadLocationException