001/* 002 * The contents of this file are subject to the terms of the Common Development and 003 * Distribution License (the License). You may not use this file except in compliance with the 004 * License. 005 * 006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the 007 * specific language governing permission and limitations under the License. 008 * 009 * When distributing Covered Software, include this CDDL Header Notice in each file and include 010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL 011 * Header, with the fields enclosed by brackets [] replaced by your own identifying 012 * information: "Portions Copyright [year] [name of copyright owner]". 013 * 014 * Copyright 2008 Sun Microsystems, Inc. 015 * Portions Copyright 2015-2016 ForgeRock AS. 016 */ 017 018package org.opends.guitools.controlpanel.event; 019 020import java.awt.event.FocusEvent; 021import java.awt.event.FocusListener; 022 023import javax.swing.text.JTextComponent; 024 025/** A class used to be able to select the contents of the text field when it gets the focus. */ 026public class TextComponentFocusListener implements FocusListener 027{ 028 private JTextComponent tf; 029 030 /** 031 * The constructor for this listener. 032 * @param tf the text field associated with this listener. 033 */ 034 public TextComponentFocusListener(JTextComponent tf) 035 { 036 this.tf = tf; 037 } 038 039 @Override 040 public void focusGained(FocusEvent e) 041 { 042 if (tf.getText() == null || "".equals(tf.getText())) 043 { 044 tf.setText(" "); 045 tf.selectAll(); 046 tf.setText(""); 047 } 048 else 049 { 050 tf.selectAll(); 051 } 052 } 053 054 @Override 055 public void focusLost(FocusEvent e) 056 { 057 } 058}