001 /* GridBagConstraints.java -- Constraints for GridBag layout manager 002 Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package java.awt; 040 041 import java.io.Serializable; 042 043 /** 044 * This specifies the constraints for a component managed by the 045 * GridBagLayout layout manager. 046 */ 047 public class GridBagConstraints implements Cloneable, Serializable 048 { 049 static final long serialVersionUID = -1000070633030801713L; 050 051 // Fill values. 052 /** 053 * Don't fill. 054 */ 055 public static final int NONE = 0; 056 057 /** 058 * Fill in both directions. 059 */ 060 public static final int BOTH = 1; 061 062 /** 063 * Fill horizontally. 064 */ 065 public static final int HORIZONTAL = 2; 066 067 /** 068 * Fill vertically. 069 */ 070 public static final int VERTICAL = 3; 071 072 // Anchor values. 073 /** 074 * Position in the center. 075 */ 076 public static final int CENTER = 10; 077 078 /** 079 * Position to the north. 080 */ 081 public static final int NORTH = 11; 082 083 /** 084 * Position to the northeast. 085 */ 086 public static final int NORTHEAST = 12; 087 088 /** 089 * Position to the east. 090 */ 091 public static final int EAST = 13; 092 093 /** 094 * Position to the southeast. 095 */ 096 public static final int SOUTHEAST = 14; 097 098 /** 099 * Position to the south. 100 */ 101 public static final int SOUTH = 15; 102 103 /** 104 * Position to the southwest. 105 */ 106 public static final int SOUTHWEST = 16; 107 108 /** 109 * Position to the west. 110 */ 111 public static final int WEST = 17; 112 113 /** 114 * Position to the northwest. 115 */ 116 public static final int NORTHWEST = 18; 117 118 // gridx and gridy values. 119 /** 120 * Occupy all remaining cells except last cell. 121 */ 122 public static final int RELATIVE = -1; 123 124 /** 125 * Occupy all remaining cells. 126 */ 127 public static final int REMAINDER = 0; 128 129 /** 130 * Position to where a page starts. Equals NORTH for horizontal orientations. 131 */ 132 public static final int PAGE_START = 19; 133 134 /** 135 * Position to where a page ends. Equals SOUTH for horizontal orientations. 136 */ 137 public static final int PAGE_END = 20; 138 139 /** 140 * Position to where a text line would start. Equals to WEST for 141 * left-to-right orientations. 142 */ 143 public static final int LINE_START = 21; 144 145 /** 146 * Position to where a text line would end. Equals to EAST for 147 * left-to-right orientations. 148 */ 149 public static final int LINE_END = 22; 150 151 /** 152 * Position to where the first text line would start. Equals to NORTHWEST for 153 * horizontal left-to-right orientations. 154 */ 155 public static final int FIRST_LINE_START = 23; 156 157 /** 158 * Position to where the first text line would end. Equals to NORTHEAST for 159 * horizontal left-to-right orientations. 160 */ 161 public static final int FIRST_LINE_END = 24; 162 163 /** 164 * Position to where the last text line would start. Equals to SOUTHWEST for 165 * horizontal left-to-right orientations. 166 */ 167 public static final int LAST_LINE_START = 25; 168 169 /** 170 * Position to where the last text line would end. Equals to SOUTHEAST for 171 * horizontal left-to-right orientations. 172 */ 173 public static final int LAST_LINE_END = 26; 174 175 public int anchor; 176 public int fill; 177 public int gridheight; 178 public int gridwidth; 179 public int gridx; 180 public int gridy; 181 public Insets insets; 182 public int ipadx; 183 public int ipady; 184 public double weightx; 185 public double weighty; 186 187 /** 188 * Create a copy of this object. 189 */ 190 public Object clone () 191 { 192 try 193 { 194 GridBagConstraints g = (GridBagConstraints) super.clone (); 195 g.insets = (Insets) insets.clone (); 196 return g; 197 } 198 catch (CloneNotSupportedException _) 199 { 200 // Can't happen. 201 return null; 202 } 203 } 204 205 /** 206 * Create a new GridBagConstraints object with the default 207 * parameters. 208 */ 209 public GridBagConstraints () 210 { 211 this.anchor = CENTER; 212 this.fill = NONE; 213 this.gridx = RELATIVE; 214 this.gridy = RELATIVE; 215 this.gridwidth = 1; 216 this.gridheight = 1; 217 this.ipadx = 0; 218 this.ipady = 0; 219 this.insets = new Insets (0, 0, 0, 0); 220 this.weightx = 0; 221 this.weighty = 0; 222 } 223 224 /** 225 * Create a new GridBagConstraints object with the indicated 226 * parameters. 227 */ 228 public GridBagConstraints (int gridx, int gridy, 229 int gridwidth, int gridheight, 230 double weightx, double weighty, 231 int anchor, int fill, 232 Insets insets, int ipadx, int ipady) 233 { 234 this.anchor = anchor; 235 this.fill = fill; 236 this.gridx = gridx; 237 this.gridy = gridy; 238 this.gridwidth = gridwidth; 239 this.gridheight = gridheight; 240 this.ipadx = ipadx; 241 this.ipady = ipady; 242 this.insets = insets; 243 this.weightx = weightx; 244 this.weighty = weighty; 245 } 246 }