Java tutorial
//package com.java2s; /* * Copyright 2002-2016 Jalal Kiswani. * * 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.Component; import java.awt.Container; import javax.swing.Box; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class Main { /** * Enable container. * * @param cont * the cont * @param enable * the enable */ public static void enableContainer(final Container cont, final boolean enable) { final int count = cont.getComponentCount(); Component comp; for (int i = 0; i < count; i++) { comp = cont.getComponent(i); if (comp instanceof JPanel || comp instanceof Box) { enableContainer((Container) comp, enable); } else { if (comp instanceof JTextField) { ((JTextField) comp).setEnabled(enable); } else if (!(comp instanceof JLabel)) { comp.setEnabled(enable); } } } } }