| /******************************************************************************* |
| * Copyright (c) 2000, 2010 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.draw2d; |
| |
| /** |
| * Constants representing cardinal directions and relative positions. Some of |
| * these constants can be grouped as follows: |
| * <TABLE border="1" cellpadding="5" cellspacing="0"> |
| * <TBODY> |
| * <TR> |
| * <TD>LEFT, CENTER, RIGHT</TD> |
| * <TD>Used to describe horizontal position.</TD> |
| * </TR> |
| * <TR> |
| * <TD>TOP, MIDDLE, BOTTOM</TD> |
| * <TD>Used to describe vertical position.</TD> |
| * </TR> |
| * <TR> |
| * <TD>NORTH, SOUTH, EAST, WEST</TD> |
| * <TD>Used to describe the four positions relative to an object's center point. |
| * May also be used when describing which direction an object is facing.<BR> |
| * NOTE: If you have a use for all four of these possibilities, do not use TOP, |
| * BOTTOM, RIGHT, LEFT in place of NORTH, SOUTH, EAST, WEST.</TD> |
| * </TR> |
| * </TBODY> |
| * </TABLE> |
| */ |
| public interface PositionConstants { |
| |
| /** None */ |
| int NONE = 0; |
| |
| /** Left */ |
| int LEFT = 1; |
| /** Center (Horizontal) */ |
| int CENTER = 2; |
| /** Right */ |
| int RIGHT = 4; |
| /** Bit-wise OR of LEFT, CENTER, and RIGHT */ |
| int LEFT_CENTER_RIGHT = LEFT | CENTER | RIGHT; |
| /** |
| * Used to signify left alignment regardless of orientation (i.e., LTR or |
| * RTL) |
| */ |
| int ALWAYS_LEFT = 64; |
| /** |
| * Used to signify right alignment regardless of orientation (i.e., LTR or |
| * RTL) |
| */ |
| int ALWAYS_RIGHT = 128; |
| |
| /** Top */ |
| int TOP = 8; |
| /** Middle (Vertical) */ |
| int MIDDLE = 16; |
| /** Bottom */ |
| int BOTTOM = 32; |
| /** Bit-wise OR of TOP, MIDDLE, and BOTTOM */ |
| int TOP_MIDDLE_BOTTOM = TOP | MIDDLE | BOTTOM; |
| |
| /** North */ |
| int NORTH = 1; |
| /** South */ |
| int SOUTH = 4; |
| /** West */ |
| int WEST = 8; |
| /** East */ |
| int EAST = 16; |
| |
| /** A constant indicating horizontal direction */ |
| int HORIZONTAL = 64; |
| /** A constant indicating vertical direction */ |
| int VERTICAL = 128; |
| |
| /** North-East: a bit-wise OR of {@link #NORTH} and {@link #EAST} */ |
| int NORTH_EAST = NORTH | EAST; |
| /** North-West: a bit-wise OR of {@link #NORTH} and {@link #WEST} */ |
| int NORTH_WEST = NORTH | WEST; |
| /** South-East: a bit-wise OR of {@link #SOUTH} and {@link #EAST} */ |
| int SOUTH_EAST = SOUTH | EAST; |
| /** South-West: a bit-wise OR of {@link #SOUTH} and {@link #WEST} */ |
| int SOUTH_WEST = SOUTH | WEST; |
| /** North-South: a bit-wise OR of {@link #NORTH} and {@link #SOUTH} */ |
| int NORTH_SOUTH = NORTH | SOUTH; |
| /** East-West: a bit-wise OR of {@link #EAST} and {@link #WEST} */ |
| int EAST_WEST = EAST | WEST; |
| |
| /** North-South-East-West: a bit-wise OR of all 4 directions. */ |
| int NSEW = NORTH_SOUTH | EAST_WEST; |
| |
| } |