/*

 * Copyright (c) 2004, 2006, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.tools.jconsole;

import java.awt.event.*;

import java.beans.*;

import java.util.*;

import javax.swing.*;

/**

 * A combo box to control the visible time range for one or more Plotter components.

 * When used with two or more Plotters, it also acts to coordinate the range between

 * them.

 */

@SuppressWarnings("serial")

public class TimeComboBox extends JComboBox implements ItemListener, PropertyChangeListener {

    private ArrayList<Plotter> plotters = new ArrayList<Plotter>();

    public TimeComboBox(Plotter... plotterArray) {

        super(Plotter.rangeNames);

        addItemListener(this);

        if (plotterArray != null && plotterArray.length > 0) {

            plotters.addAll(Arrays.asList(plotterArray));

            selectValue(plotterArray[0].getViewRange());

            for (Plotter plotter : plotters) {

                plotter.addPropertyChangeListener(this);

            }

        }

    }

    public void addPlotter(Plotter plotter) {

        plotters.add(plotter);

        if (plotters.size() == 1) {

            selectValue(plotter.getViewRange());

        }

        plotter.addPropertyChangeListener(this);

    }

    public void itemStateChanged(ItemEvent ev) {

        for (Plotter plotter : plotters) {

            plotter.setViewRange(Plotter.rangeValues[getSelectedIndex()]);

        }

    }

    private void selectValue(int value) {

        // Set the selected value

        for (int i = 0; i < Plotter.rangeValues.length; i++) {

            if (Plotter.rangeValues[i] == value) {

                setSelectedItem(Plotter.rangeNames[i]);

            }

        }

        // Make sure all plotters show this value

        if (plotters.size() > 1) {

            for (Plotter plotter : plotters) {

                plotter.setViewRange(value);

            }

        }

    }

    public void propertyChange(PropertyChangeEvent ev) {

        if (ev.getPropertyName() == "viewRange") {

            selectValue((Integer)ev.getNewValue());

        }

    }

}