1/*
2 * Copyright (c) 2004, 2006, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.tools.jconsole;
27
28import java.awt.event.*;
29import java.beans.*;
30import java.util.*;
31
32import javax.swing.*;
33
34/**
35 * A combo box to control the visible time range for one or more Plotter components.
36 * When used with two or more Plotters, it also acts to coordinate the range between
37 * them.
38 */
39@SuppressWarnings("serial")
40public class TimeComboBox extends JComboBox<String> implements ItemListener, PropertyChangeListener {
41    private ArrayList<Plotter> plotters = new ArrayList<Plotter>();
42
43    public TimeComboBox(Plotter... plotterArray) {
44        super(Plotter.rangeNames);
45
46        addItemListener(this);
47
48        if (plotterArray != null && plotterArray.length > 0) {
49            plotters.addAll(Arrays.asList(plotterArray));
50            selectValue(plotterArray[0].getViewRange());
51            for (Plotter plotter : plotters) {
52                plotter.addPropertyChangeListener(this);
53            }
54        }
55    }
56
57    public void addPlotter(Plotter plotter) {
58        plotters.add(plotter);
59        if (plotters.size() == 1) {
60            selectValue(plotter.getViewRange());
61        }
62        plotter.addPropertyChangeListener(this);
63    }
64
65    public void itemStateChanged(ItemEvent ev) {
66        for (Plotter plotter : plotters) {
67            plotter.setViewRange(Plotter.rangeValues[getSelectedIndex()]);
68        }
69    }
70
71    private void selectValue(int value) {
72        // Set the selected value
73        for (int i = 0; i < Plotter.rangeValues.length; i++) {
74            if (Plotter.rangeValues[i] == value) {
75                setSelectedItem(Plotter.rangeNames[i]);
76            }
77        }
78        // Make sure all plotters show this value
79        if (plotters.size() > 1) {
80            for (Plotter plotter : plotters) {
81                plotter.setViewRange(value);
82            }
83        }
84    }
85
86    public void propertyChange(PropertyChangeEvent ev) {
87        if (ev.getPropertyName() == "viewRange") {
88            selectValue((Integer)ev.getNewValue());
89        }
90    }
91}
92