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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.
/** * 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()); } } }