1 /* LayoutManager.java -- lay out elements in a Container 2 Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package java.awt; 40 41 /** 42 * This interface is for laying out containers in a particular sequence. 43 * 44 * @author Aaron M. Renn (arenn@urbanophile.com) 45 * @see Container 46 * @since 1.0 47 * @status updated to 1.4 48 */ 49 public interface LayoutManager 50 { 51 /** 52 * Adds the specified component to the layout group. 53 * 54 * @param name the name of the component to add 55 * @param component the component to add 56 */ addLayoutComponent(String name, Component component)57 void addLayoutComponent(String name, Component component); 58 59 /** 60 * Removes the specified component from the layout group. 61 * 62 * @param component the component to remove 63 */ removeLayoutComponent(Component component)64 void removeLayoutComponent(Component component); 65 66 /** 67 * Calculates the preferred size for this container, taking into account 68 * the components it contains. 69 * 70 * @param parent the parent container to lay out 71 * @return the preferred dimensions of this container 72 * @see #minimumLayoutSize(Container) 73 */ preferredLayoutSize(Container parent)74 Dimension preferredLayoutSize(Container parent); 75 76 /** 77 * Calculates the minimum size for this container, taking into account 78 * the components it contains. 79 * 80 * @param parent the parent container to lay out 81 * @return the minimum dimensions of this container 82 * @see #preferredLayoutSize(Container) 83 */ minimumLayoutSize(Container parent)84 Dimension minimumLayoutSize(Container parent); 85 86 /** 87 * Lays out the components in the given container. 88 * 89 * @param parent the container to lay out 90 */ layoutContainer(Container parent)91 void layoutContainer(Container parent); 92 } // interface LayoutManager 93