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 

    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 

    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 }