1/*
2 * Copyright (c) 2008, 2015, 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 */
24package com.sun.hotspot.igv.filterwindow;
25
26import java.awt.*;
27import java.awt.event.MouseAdapter;
28import java.awt.event.MouseEvent;
29import javax.swing.JCheckBox;
30import javax.swing.JList;
31import javax.swing.ListCellRenderer;
32
33/**
34 * @author Thomas Wuerthinger
35 */
36public class CheckRenderer extends JCheckBox implements ListCellRenderer<Object> {
37
38    private JList<Object> list;
39    private Color startBackground;
40
41    public CheckRenderer(final JList<Object> list) {
42        this.list = list;
43        list.addMouseListener(
44                new MouseAdapter() {
45
46                    @Override
47                    public void mouseClicked(MouseEvent e) {
48                        int index = list.locationToIndex(e.getPoint());
49                        Point p2 = list.indexToLocation(index);
50                        Rectangle r = new Rectangle(p2.x, p2.y, getPreferredSize().height, getPreferredSize().height);
51                        if (r.contains(e.getPoint())) {
52                            CheckNode node = ((CheckNodeListModel) list.getModel()).getCheckNodeAt(index);
53                            node.setSelected(!node.isSelected());
54                            list.repaint();
55                            e.consume();
56                        }
57                    }
58                });
59
60        this.setPreferredSize(new Dimension(getPreferredSize().width, getPreferredSize().height - 5));
61        startBackground = this.getBackground();
62    }
63
64    @Override
65    public Component getListCellRendererComponent(final JList<? extends Object> list, Object value, final int index, boolean isSelected, boolean cellHasFocus) {
66        setText(value.toString());
67        CheckNode node = ((CheckNodeListModel) list.getModel()).getCheckNodeAt(index);
68        this.setSelected(node.isSelected());
69        this.setEnabled(list.isEnabled());
70
71        if (isSelected && list.hasFocus()) {
72            this.setBackground(list.getSelectionBackground());
73            this.setForeground(list.getSelectionForeground());
74        } else if (isSelected) {
75            assert !list.hasFocus();
76            this.setBackground(startBackground);
77            this.setForeground(list.getForeground());
78
79        } else {
80            this.setBackground(list.getBackground());
81            this.setForeground(list.getForeground());
82        }
83        return this;
84    }
85}
86