Java tutorial
//package com.java2s; /* * This file is part of WebLookAndFeel library. * * WebLookAndFeel library is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * WebLookAndFeel library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with WebLookAndFeel library. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.util.HashMap; import java.util.Map; public class Main { /** * Returns map of container child components preferred sizes. * * @param container * container to process * @return map of container child components preferred sizes */ public static Map<Component, Dimension> getChildPreferredSizes(final Container container) { final int cc = container.getComponentCount(); final Map<Component, Dimension> cps = new HashMap<Component, Dimension>(cc); for (int i = 0; i < cc; i++) { final Component component = container.getComponent(i); cps.put(component, component.getPreferredSize()); } return cps; } }