Here you can find the source of setEditable(JTextComponent component, boolean editable)
public static void setEditable(JTextComponent component, boolean editable)
//package com.java2s; /*/*from w w w .ja v a 2 s . c om*/ * Copyright 2011, 2012 Delving BV * * Licensed under the EUPL, Version 1.0 or? as soon they * will be approved by the European Commission - subsequent * versions of the EUPL (the "Licence"); * you may not use this work except in compliance with the * Licence. * You may obtain a copy of the Licence at: * * http://ec.europa.eu/idabc/eupl * * Unless required by applicable law or agreed to in * writing, software distributed under the Licence is * distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. * See the Licence for the specific language governing * permissions and limitations under the Licence. */ import javax.swing.text.JTextComponent; import java.awt.*; public class Main { public static Color NORMAL_BG = new Color(255, 255, 255); public static Color NOT_EDITABLE_BG = new Color(255, 255, 200); public static void setEditable(JTextComponent component, boolean editable) { component.setEditable(editable); component.setBackground(editable ? NORMAL_BG : NOT_EDITABLE_BG); } }