Here you can find the source of addSelectAllTextOnFocus(final JTextComponent component)
public static void addSelectAllTextOnFocus(final JTextComponent component)
//package com.java2s; /*//from ww w . java2 s . c o m * Copyright (c) 2007, Lan Boon Ping. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.awt.event.FocusAdapter; import java.awt.event.FocusEvent; import javax.swing.text.JTextComponent; public class Main { public static void addSelectAllTextOnFocus(final JTextComponent component) { component.addFocusListener(new FocusAdapter() { public void focusGained(FocusEvent e) { component.selectAll(); } }); } }