sortabletablemodel.java

tame,扩展了好多SWing组件:JTable

/* (swing1.1) */
package tame.table;

import javax.swing.table.DefaultTableModel;

/**
@version 1.0 02/25/99
@author Nobuo Tamemasa
*/
public class SortableTableModel extends DefaultTableModel {
  int[] indexes;
  TableSorter sorter;

  public SortableTableModel() {
  }

  public Object getValueAt(int row, int col) {
    int rowIndex = row;
    if (indexes != null) {
      rowIndex = indexes[row];
    }
    return super.getValueAt(rowIndex, col);
  }

  public void setValueAt(Object value, int row, int col) {
    int rowIndex = row;
    if (indexes != null) {
      rowIndex = indexes[row];
    }
    super.setValueAt(value, rowIndex, col);
  }

  public void sortByColumn(int column, boolean isAscent) {
    if (sorter == null) {
      sorter = new TableSorter(this);
    }
    sorter.sort(column, isAscent);
    fireTableDataChanged();
  }

  public int[] getIndexes() {
    int n = getRowCount();
    if (indexes != null) {
      if (indexes.length == n) {
        return indexes;
      }
    }
    indexes = new int[n];
    for (int i=0; i<n; i++) {
      indexes[i] = i;
    }
    return indexes;
  }
}