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1   /*
2    * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.
8    *
9    * This code is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12   * version 2 for more details (a copy is included in the LICENSE file that
13   * accompanied this code).
14   *
15   * You should have received a copy of the GNU General Public License version
16   * 2 along with this work; if not, write to the Free Software Foundation,
17   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18   *
19   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20   * or visit www.oracle.com if you need additional information or have any
21   * questions.
22   *
23   */
24  
25  package sun.jvm.hotspot.ui.table;
26  
27  import java.awt.event.MouseAdapter;
28  import java.awt.event.MouseEvent;
29  
30  import javax.swing.JTable;
31  import javax.swing.SwingUtilities;
32  import javax.swing.table.TableColumnModel;
33  
34  import com.sun.java.swing.ui.CommonUI;
35  
36  /**
37   * A mouse adapater which is attached to the header of a JTable. It listens
38   * for mouse clicks on a column and sorts that column.
39   */
40  public class SortHeaderMouseAdapter extends MouseAdapter {
41  
42      private SortableTableModel model;
43      private JTable table;
44  
45      public SortHeaderMouseAdapter(JTable table, SortableTableModel model) {
46          this.model = model;
47          this.table = table;
48      }
49  
50      public void mouseClicked(MouseEvent evt) {
51          // XXX Benchmark sort performance
52          //long start = System.currentTimeMillis();
53          CommonUI.setWaitCursor(SwingUtilities.getRoot(table));
54  
55          TableColumnModel columnModel = table.getColumnModel();
56          int viewColumn = columnModel.getColumnIndexAtX(evt.getX());
57          int column = table.convertColumnIndexToModel(viewColumn);
58          if (evt.getClickCount() == 1 && column != -1) {
59              // Reverse the sorting direction.
60              model.sortByColumn(column, !model.isAscending());
61          }
62  
63          // XXX Benchmark performance
64          //      System.out.println("Sort time: " +
65          //         (System.currentTimeMillis() - start));
66          CommonUI.setDefaultCursor(SwingUtilities.getRoot(table));
67      }
68  }