SortHeaderMouseAdapter.java revision 9883:903a2e023ffb 
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
25package sun.jvm.hotspot.ui.table;
26
27import java.awt.event.MouseAdapter;
28import java.awt.event.MouseEvent;
29
30import javax.swing.JTable;
31import javax.swing.SwingUtilities;
32import javax.swing.table.TableColumnModel;
33
34import 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 */
40public 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}
69