Java tutorial
/* * Copyright (c) 1997, 2000, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing; /** * A collection of constants generally used for positioning and orienting * components on the screen. * * @author Jeff Dinkins * @author Ralph Kar (orientation support) * @since 1.2 */ public interface SwingConstants { /** * The central position in an area. Used for * both compass-direction constants (NORTH, etc.) * and box-orientation constants (TOP, etc.). */ public static final int CENTER = 0; // // Box-orientation constant used to specify locations in a box. // /** * Box-orientation constant used to specify the top of a box. */ public static final int TOP = 1; /** * Box-orientation constant used to specify the left side of a box. */ public static final int LEFT = 2; /** * Box-orientation constant used to specify the bottom of a box. */ public static final int BOTTOM = 3; /** * Box-orientation constant used to specify the right side of a box. */ public static final int RIGHT = 4; // // Compass-direction constants used to specify a position. // /** * Compass-direction North (up). */ public static final int NORTH = 1; /** * Compass-direction north-east (upper right). */ public static final int NORTH_EAST = 2; /** * Compass-direction east (right). */ public static final int EAST = 3; /** * Compass-direction south-east (lower right). */ public static final int SOUTH_EAST = 4; /** * Compass-direction south (down). */ public static final int SOUTH = 5; /** * Compass-direction south-west (lower left). */ public static final int SOUTH_WEST = 6; /** * Compass-direction west (left). */ public static final int WEST = 7; /** * Compass-direction north west (upper left). */ public static final int NORTH_WEST = 8; // // These constants specify a horizontal or // vertical orientation. For example, they are // used by scrollbars and sliders. // /** Horizontal orientation. Used for scrollbars and sliders. */ public static final int HORIZONTAL = 0; /** Vertical orientation. Used for scrollbars and sliders. */ public static final int VERTICAL = 1; // // Constants for orientation support, since some languages are // left-to-right oriented and some are right-to-left oriented. // This orientation is currently used by buttons and labels. // /** * Identifies the leading edge of text for use with left-to-right * and right-to-left languages. Used by buttons and labels. */ public static final int LEADING = 10; /** * Identifies the trailing edge of text for use with left-to-right * and right-to-left languages. Used by buttons and labels. */ public static final int TRAILING = 11; /** * Identifies the next direction in a sequence. * * @since 1.4 */ public static final int NEXT = 12; /** * Identifies the previous direction in a sequence. * * @since 1.4 */ public static final int PREVIOUS = 13; }