Source for java.awt.GridBagConstraints

   1: /* GridBagConstraints.java -- Constraints for GridBag layout manager
   2:    Copyright (C) 2000, 2001, 2002, 2004  Free Software Foundation
   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: import java.io.Serializable;
  42: 
  43: /**
  44:  * This specifies the constraints for a component managed by the
  45:  * GridBagLayout layout manager.
  46:  */
  47: public class GridBagConstraints implements Cloneable, Serializable
  48: {
  49:   static final long serialVersionUID = -1000070633030801713L;
  50: 
  51:   /** Fill in both directions.  */
  52:   public static final int BOTH = 1;
  53:   /** Don't fill.  */
  54:   public static final int NONE = 0;
  55:   /** Fill horizontally.  */
  56:   public static final int HORIZONTAL = 2;
  57:   /** Fill vertically.  */
  58:   public static final int VERTICAL = 3;
  59: 
  60:   /** Position in the center.  */
  61:   public static final int CENTER = 10;
  62:   /** Position to the east.  */
  63:   public static final int EAST = 13;
  64:   /** Position to the north.  */
  65:   public static final int NORTH = 11;
  66:   /** Position to the northeast.  */
  67:   public static final int NORTHEAST = 12;
  68:   /** Position to the northwest.  */
  69:   public static final int NORTHWEST = 18;
  70:   /** Position to the south.  */
  71:   public static final int SOUTH = 15;
  72:   /** Position to the southeast.  */
  73:   public static final int SOUTHEAST = 14;
  74:   /** Position to the southwest.  */
  75:   public static final int SOUTHWEST = 16;
  76:   /** Position to the west.  */
  77:   public static final int WEST = 17;
  78: 
  79:   /** Occupy all remaining cells except last cell.  */
  80:   public static final int RELATIVE = -1;
  81:   /** Occupy all remaining cells.  */
  82:   public static final int REMAINDER = 0;
  83: 
  84:   /**
  85:    * Position to where the first text line would end. Equals to NORTHEAST for
  86:    * horizontal left-to-right orientations.
  87:    */
  88:   public static final int FIRST_LINE_END = 24;
  89: 
  90:   /**
  91:    * Position to where the first text line would start. Equals to NORTHWEST for
  92:    * horizontal left-to-right orientations.
  93:    */
  94:   public static final int FIRST_LINE_START = 23;
  95: 
  96:   /**
  97:    * Position to where the last text line would end. Equals to SOUTHEAST for
  98:    * horizontal left-to-right orientations.
  99:    */
 100:   public static final int LAST_LINE_END = 26;
 101: 
 102:   /**
 103:    * Position to where the last text line would start. Equals to SOUTHWEST for
 104:    * horizontal left-to-right orientations.
 105:    */
 106:   public static final int LAST_LINE_START = 25;
 107: 
 108:   /**
 109:    * Position to where a text line would end. Equals to EAST for
 110:    * left-to-right orientations.
 111:    */
 112:   public static final int LINE_END = 22;
 113: 
 114:   /**
 115:    * Position to where a text line would start. Equals to WEST for
 116:    * left-to-right orientations.
 117:    */
 118:   public static final int LINE_START = 21;
 119: 
 120:   /**
 121:    * Position to where a page ends. Equals SOUTH for horizontal orientations.
 122:    */
 123:   public static final int PAGE_END = 20;
 124: 
 125:   /**
 126:    * Position to where a page starts. Equals NORTH for horizontal orientations.
 127:    */
 128:   public static final int PAGE_START = 19;
 129: 
 130:   public int anchor;
 131:   public int fill;
 132:   public int gridheight;
 133:   public int gridwidth;
 134:   public int gridx;
 135:   public int gridy;
 136:   public Insets insets;
 137:   public int ipadx;
 138:   public int ipady;
 139:   public double weightx;
 140:   public double weighty;
 141: 
 142:   /** Create a copy of this object.  */
 143:   public Object clone ()
 144:   {
 145:     try
 146:       {
 147:     GridBagConstraints g = (GridBagConstraints) super.clone ();
 148:     g.insets = (Insets) insets.clone ();
 149:     return g;
 150:       }
 151:     catch (CloneNotSupportedException _)
 152:       {
 153:     // Can't happen.
 154:     return null;
 155:       }
 156:   }
 157: 
 158:   /** Create a new GridBagConstraints object with the default
 159:    * parameters.  */
 160:   public GridBagConstraints ()
 161:   {
 162:     this.anchor = CENTER;
 163:     this.fill = NONE;
 164:     this.gridx = RELATIVE;
 165:     this.gridy = RELATIVE;
 166:     this.gridwidth = 1;
 167:     this.gridheight = 1;
 168:     this.ipadx = 0;
 169:     this.ipady = 0;
 170:     this.insets = new Insets (0, 0, 0, 0);
 171:     this.weightx = 0;
 172:     this.weighty = 0;
 173:   }
 174: 
 175:   /** Create a new GridBagConstraints object with the indicated
 176:    * parameters.  */
 177:   public GridBagConstraints (int gridx, int gridy,
 178:                  int gridwidth, int gridheight,
 179:                  double weightx, double weighty,
 180:                  int anchor, int fill,
 181:                  Insets insets, int ipadx, int ipady)
 182:   {
 183:     this.anchor = anchor;
 184:     this.fill = fill;
 185:     this.gridx = gridx;
 186:     this.gridy = gridy;
 187:     this.gridwidth = gridwidth;
 188:     this.gridheight = gridheight;
 189:     this.ipadx = ipadx;
 190:     this.ipady = ipady;
 191:     this.insets = insets;
 192:     this.weightx = weightx;
 193:     this.weighty = weighty;
 194:   }
 195: }