Class SortingModel

src/main/java/gate/swing/XJTable.java:548–839

Handles translations between an indexed data source and a permutation of itself (like the translations between the rows in sorted table and the rows in the actual unsorted model).

   * rows in the actual unsorted model).  
   */
  protected class SortingModel extends AbstractTableModel 
      implements TableModelListener{
    
    public SortingModel(TableModel sourceModel){
      compWrapper = new ValueHolderComparator();
      init(sourceModel);
    }
    
    protected class ValueHolder{
      private Object value;
      private int index;
      public ValueHolder(Object value, int index) {
        super();
        this.value = value;
        this.index = index;
      }
    }
    
    @SuppressWarnings({"rawtypes","unchecked"})
    protected class ValueHolderComparator implements Comparator<ValueHolder>{
      private Comparator comparator;
            
      protected Comparator getComparator() {
        return comparator;
      }

      protected void setComparator(Comparator comparator) {
        this.comparator = comparator;
      }

      @Override
      public int compare(ValueHolder o1, ValueHolder o2) {
        return ascending ? comparator.compare(o1.value, o2.value) :
          comparator.compare(o1.value, o2.value) * -1;
      }
    }
    
    protected void init(TableModel sourceModel){
      if(this.sourceModel != null) 
        this.sourceModel.removeTableModelListener(this);
      this.sourceModel = sourceModel;
      //start with the identity order
      int size = sourceModel.getRowCount();
      sourceToTarget = new int[size];
      targetToSource = new int[size];
      for(int i = 0; i < size; i++) {
        sourceToTarget[i] = i;
        targetToSource[i] = i;
      }
      sourceModel.addTableModelListener(this);
      if(isSortable() && sortedColumn == -1) setSortedColumn(0);
      componentSizedProperly = false;
    }
    
    /**
     * This gets events from the source model and forwards them to the UI
     */
    @Override