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: */ 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: */ 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: */ 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: */ 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: */ 91: void layoutContainer(Container parent); 92: } // interface LayoutManager