Source for org.jfree.ui.SortableTable

   1: /* ========================================================================
   2:  * JCommon : a free general purpose class library for the Java(tm) platform
   3:  * ========================================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  * 
   7:  * Project Info:  http://www.jfree.org/jcommon/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  * 
  27:  * ------------------
  28:  * SortableTable.java
  29:  * ------------------
  30:  * (C) Copyright 2000-2004, by Object Refinery Limited.
  31:  *
  32:  * Original Author:  David Gilbert (for Object Refinery Limited);
  33:  * Contributor(s):   -;
  34:  *
  35:  * $Id: SortableTable.java,v 1.5 2005/11/16 15:58:41 taqua Exp $
  36:  *
  37:  * Changes (from 26-Oct-2001)
  38:  * --------------------------
  39:  * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
  40:  * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
  41:  *
  42:  */
  43: 
  44: package org.jfree.ui;
  45: 
  46: import javax.swing.JTable;
  47: import javax.swing.table.JTableHeader;
  48: import javax.swing.table.TableColumnModel;
  49: 
  50: /**
  51:  * A simple extension of JTable that supports the use of a SortableTableModel.
  52:  *
  53:  * @author David Gilbert
  54:  */
  55: public class SortableTable extends JTable {
  56: 
  57:     /** A listener for sorting. */
  58:     private SortableTableHeaderListener headerListener;
  59: 
  60:     /**
  61:      * Standard constructor - builds a table for the specified model.
  62:      *
  63:      * @param model  the data.
  64:      */
  65:     public SortableTable(final SortableTableModel model) {
  66: 
  67:         super(model);
  68: 
  69:         final SortButtonRenderer renderer = new SortButtonRenderer();
  70:         final TableColumnModel cm = getColumnModel();
  71:         for (int i = 0; i < cm.getColumnCount(); i++) {
  72:             cm.getColumn(i).setHeaderRenderer(renderer);
  73:         }
  74: 
  75:         final JTableHeader header = getTableHeader();
  76:         this.headerListener = new SortableTableHeaderListener(model, renderer);
  77:         header.addMouseListener(this.headerListener);
  78:         header.addMouseMotionListener(this.headerListener);
  79: 
  80:         model.sortByColumn(0, true);
  81: 
  82:     }
  83: 
  84:     /**
  85:      * Changes the model for the table.  Takes care of updating the header listener at the
  86:      * same time.
  87:      *
  88:      * @param model  the table model.
  89:      *
  90:      */
  91:     public void setSortableModel(final SortableTableModel model) {
  92: 
  93:         super.setModel(model);
  94:         this.headerListener.setTableModel(model);
  95:         final SortButtonRenderer renderer = new SortButtonRenderer();
  96:         final TableColumnModel cm = getColumnModel();
  97:         for (int i = 0; i < cm.getColumnCount(); i++) {
  98:             cm.getColumn(i).setHeaderRenderer(renderer);
  99:         }
 100:         model.sortByColumn(0, true);
 101: 
 102:     }
 103: 
 104: }