/* * Copyright (c) 1995, 2005, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt; /** * Defines the interface for classes that know how to lay out * <code>Container</code>s. * <p> * Swing's painting architecture assumes the children of a * <code>JComponent</code> do not overlap. If a * <code>JComponent</code>'s <code>LayoutManager</code> allows * children to overlap, the <code>JComponent</code> must override * <code>isOptimizedDrawingEnabled</code> to return false. * * @see Container * @see javax.swing.JComponent#isOptimizedDrawingEnabled * * @author Sami Shaio * @author Arthur van Hoff */ public interface LayoutManager { /** * If the layout manager uses a per-component string, * adds the component <code>comp</code> to the layout, * associating it * with the string specified by <code>name</code>. * * @param name the string to be associated with the component * @param comp the component to be added */ void addLayoutComponent(String name, Component comp); /** * Removes the specified component from the layout. * @param comp the component to be removed */ void removeLayoutComponent(Component comp); /** * Calculates the preferred size dimensions for the specified * container, given the components it contains. * @param parent the container to be laid out * * @see #minimumLayoutSize */ Dimension preferredLayoutSize(Container parent); /** * Calculates the minimum size dimensions for the specified * container, given the components it contains. * @param parent the component to be laid out * @see #preferredLayoutSize */ Dimension minimumLayoutSize(Container parent); /** * Lays out the specified container. * @param parent the container to be laid out */ void layoutContainer(Container parent); }