Source for javax.swing.text.TabStop

   1: /* TabSet.java --
   2:    Copyright (C) 2004 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: package javax.swing.text;
  39: 
  40: import java.io.Serializable;
  41: 
  42: public class TabStop implements Serializable
  43: {
  44:   /** The serialization UID (compatible with JDK1.5). */
  45:   private static final long serialVersionUID = -5381995917363605058L;
  46: 
  47:   public static final int ALIGN_LEFT = 0;
  48:   public static final int ALIGN_RIGHT = 1;
  49:   public static final int ALIGN_CENTER = 2;
  50:   public static final int ALIGN_DECIMAL = 4;
  51:   public static final int ALIGN_BAR = 5;
  52: 
  53:   public static final int LEAD_NONE = 0;
  54:   public static final int LEAD_DOTS = 1;
  55:   public static final int LEAD_HYPHENS = 2;
  56:   public static final int LEAD_UNDERLINE = 3;
  57:   public static final int LEAD_THICKLINE = 4;
  58:   public static final int LEAD_EQUALS = 5;
  59: 
  60:   float pos;
  61:   int align;
  62:   int leader;
  63: 
  64:   public TabStop(float pos) 
  65:   {
  66:     this(pos, ALIGN_LEFT, LEAD_NONE);
  67:   }
  68:   
  69:   public TabStop(float pos, int align, int leader)
  70:   {
  71:     this.pos = pos;
  72:     this.align = align;
  73:     this.leader = leader;
  74:   }
  75:     
  76:   public boolean equals(Object other) 
  77:   {
  78:     return (other != null)
  79:       && (other instanceof TabStop)
  80:       && (((TabStop)other).getPosition() == this.getPosition())
  81:       && (((TabStop)other).getLeader() == this.getLeader())
  82:       && (((TabStop)other).getAlignment() == this.getAlignment());
  83:   }
  84: 
  85:   public int getAlignment() 
  86:   {
  87:     return align;
  88:   }
  89: 
  90:   public int getLeader() 
  91:   {
  92:     return leader;
  93:   }
  94: 
  95:   public float getPosition() 
  96:   {
  97:     return pos;
  98:   }
  99: 
 100:   public int hashCode() 
 101:   {
 102:     return (int) pos + (int) leader + (int) align;
 103:   }
 104: 
 105:   public String toString() 
 106:   {
 107:     String prefix = "";
 108:     switch (align)
 109:       {
 110:       case ALIGN_LEFT:
 111:         prefix = "left ";
 112:         break;
 113:       case ALIGN_RIGHT:
 114:         prefix = "right ";
 115:         break;
 116: 
 117:       case ALIGN_CENTER:
 118:         prefix = "center ";
 119:         break;
 120: 
 121:       case ALIGN_DECIMAL:
 122:         prefix = "decimal ";
 123:         break;
 124:         
 125:       case ALIGN_BAR:
 126:         prefix = "bar ";
 127:         break;
 128: 
 129:       default:
 130:         break;
 131:       }
 132:     
 133:     return (prefix + "tab @" + pos + ((leader == LEAD_NONE) ? "" : "(w/leaders)"));
 134:   }
 135: 
 136: }