/[classpath]/classpath/javax/swing/text/View.java
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revision 1.6.2.10 by gnu_andrew, Wed Nov 2 00:44:04 2005 UTC revision 1.6.2.11 by gnu_andrew, Sun Nov 27 21:00:42 2005 UTC
# Line 594  public abstract class View implements Sw Line 594  public abstract class View implements Sw
594      for (int i = 0; i < count; ++i)      for (int i = 0; i < count; ++i)
595        getView(i).dump(indent + 1);        getView(i).dump(indent + 1);
596    }    }
597    
598      /**
599       * Returns the document position that is (visually) nearest to the given
600       * document position <code>pos</code> in the given direction <code>d</code>.
601       *
602       * @param pos the document position
603       * @param b the bias for <code>pos</code>
604       * @param a the allocation for this view
605       * @param d the direction, must be either {@link SwingConstants#NORTH},
606       *        {@link SwingConstants#SOUTH}, {@link SwingConstants#WEST} or
607       *        {@link SwingConstants#EAST}
608       * @param biasRet an array of {@link Position.Bias} that can hold at least
609       *        one element, which is filled with the bias of the return position
610       *        on method exit
611       *
612       * @return the document position that is (visually) nearest to the given
613       *         document position <code>pos</code> in the given direction
614       *         <code>d</code>
615       *
616       * @throws BadLocationException if <code>pos</code> is not a valid offset in
617       *         the document model
618       * @throws IllegalArgumentException if <code>d</code> is not a valid direction
619       */
620      public int getNextVisualPositionFrom(int pos, Position.Bias b,
621                                           Shape a, int d,
622                                           Position.Bias[] biasRet)
623        throws BadLocationException
624      {
625        int ret = pos;
626        switch (d)
627        {
628          case WEST:
629            ret = pos - 1;
630            break;
631          case EAST:
632            ret = pos + 1;
633            break;
634          case NORTH:
635            // TODO: Implement this
636            break;
637          case SOUTH:
638            // TODO: Implement this
639            break;
640          default:
641            throw new IllegalArgumentException("Illegal value for d");
642        }
643        return ret;
644      }
645  }  }

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