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