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
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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
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package sun.tools.jconsole;
27 
28 import java.awt.event.*;
29 import java.beans.*;
30 import java.util.*;
31 
32 import 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")
40 public class TimeComboBox extends JComboBox<String> implements ItemListener, PropertyChangeListener {
41     private ArrayList<Plotter> plotters = new ArrayList<Plotter>();
42 
TimeComboBox(Plotter... plotterArray)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 
addPlotter(Plotter plotter)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 
itemStateChanged(ItemEvent ev)65     public void itemStateChanged(ItemEvent ev) {
66         for (Plotter plotter : plotters) {
67             plotter.setViewRange(Plotter.rangeValues[getSelectedIndex()]);
68         }
69     }
70 
selectValue(int value)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 
propertyChange(PropertyChangeEvent ev)86     public void propertyChange(PropertyChangeEvent ev) {
87         if (ev.getPropertyName() == "viewRange") {
88             selectValue((Integer)ev.getNewValue());
89         }
90     }
91 }
92