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 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/**
026 * A class used to be able to select the contents of the text field when
027 * it gets the focus.
028 *
029 */
030public class TextComponentFocusListener implements FocusListener
031{
032  private JTextComponent tf;
033
034  /**
035   * The constructor for this listener.
036   * @param tf the text field associated with this listener.
037   */
038  public TextComponentFocusListener(JTextComponent tf)
039  {
040    this.tf = tf;
041  }
042
043  /** {@inheritDoc} */
044  public void focusGained(FocusEvent e)
045  {
046    if (tf.getText() == null || "".equals(tf.getText()))
047    {
048      tf.setText(" ");
049      tf.selectAll();
050      tf.setText("");
051    }
052    else
053    {
054      tf.selectAll();
055    }
056  }
057
058  /** {@inheritDoc} */
059  public void focusLost(FocusEvent e)
060  {
061  }
062}