| 1 |  |  package org.kuali.student.common.ui.client.widgets.table.scroll; | 
  | 2 |  |   | 
  | 3 |  |   | 
  | 4 |  |   | 
  | 5 |  |   | 
  | 6 | 0 |  class TablePredicateFactory { | 
  | 7 |  |   | 
  | 8 |  |      static interface Predicate { | 
  | 9 |  |          boolean indexCondition(int index, int count); | 
  | 10 |  |   | 
  | 11 |  |          int nextIndex(int index); | 
  | 12 |  |   | 
  | 13 |  |          MoveType moveType(); | 
  | 14 |  |      } | 
  | 15 |  |   | 
  | 16 | 0 |      static enum MoveType { | 
  | 17 | 0 |          UP_LEFT, | 
  | 18 | 0 |          DOWN_RIGHT, | 
  | 19 |  |      } | 
  | 20 |  |   | 
  | 21 | 0 |      static Predicate UP_LEFT_PREDICATE = new Predicate() { | 
  | 22 |  |          @Override | 
  | 23 |  |          public boolean indexCondition(int row, int rowCount) { | 
  | 24 | 0 |              return row > 0; | 
  | 25 |  |          } | 
  | 26 |  |   | 
  | 27 |  |          @Override | 
  | 28 |  |          public int nextIndex(int row) { | 
  | 29 | 0 |              return row - 1; | 
  | 30 |  |          } | 
  | 31 |  |   | 
  | 32 |  |          @Override | 
  | 33 |  |          public MoveType moveType() { | 
  | 34 | 0 |              return MoveType.UP_LEFT; | 
  | 35 |  |          } | 
  | 36 |  |      }; | 
  | 37 |  |   | 
  | 38 | 0 |      static Predicate DOWN_RIGHT_PREDICATE = new Predicate() { | 
  | 39 |  |          @Override | 
  | 40 |  |          public boolean indexCondition(int row, int rowCount) { | 
  | 41 | 0 |              return row + 1 < rowCount; | 
  | 42 |  |          } | 
  | 43 |  |   | 
  | 44 |  |          @Override | 
  | 45 |  |          public int nextIndex(int row) { | 
  | 46 | 0 |              return row + 1; | 
  | 47 |  |          } | 
  | 48 |  |   | 
  | 49 |  |          @Override | 
  | 50 |  |          public MoveType moveType() { | 
  | 51 | 0 |              return MoveType.DOWN_RIGHT; | 
  | 52 |  |          } | 
  | 53 |  |      }; | 
  | 54 |  |  } |