qualitypanel.java

国外的一个开源gps模拟器源代码

/*
 * Copyright (c) 2007 by the University of Applied Sciences Northwestern Switzerland (FHNW)
 * 
 * This program can be redistributed or modified under the terms of the
 * GNU General Public License as published by the Free Software Foundation.
 * This program is distributed without any warranty or implied warranty
 * of merchantability or fitness for a particular purpose.
 *
 * See the GNU General Public License for more details.
 */

package ch.fhnw.imvs.gpssimulator.components;

import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import ch.fhnw.imvs.gpssimulator.data.GPSData;
import ch.fhnw.imvs.gpssimulator.data.GPSDataListener;

@SuppressWarnings("serial")
public class QualityPanel extends JPanel implements GPSDataListener {

	// combo box for the states A / V
	private JComboBox status = new JComboBox();

	// combo box for the number of satellites
	private JComboBox satellites = new JComboBox();
	
	// combo box for the quality (invalid, GPS, DGPS, ...)
	private JComboBox quality    = new JComboBox();
	
	// spinners for DOP parameters
	private JSpinner hdop = new JSpinner();
   	private JSpinner vdop = new JSpinner();
	private JSpinner pdop = new JSpinner();
	
	// checkbox whether pdop should depend on hdop and vdop
	private JCheckBox automaticPDOP   = new JCheckBox();
	
	// checkbox whether status should depend on number of satellites
	private JCheckBox automaticStatus = new JCheckBox();

	
	public void valueChanged() {
		satellites.setSelectedIndex(GPSData.getSatellites());
		hdop.setValue(GPSData.getHDOP());
		vdop.setValue(GPSData.getVDOP());
		if(automaticPDOP.isSelected()){
			double hd = GPSData.getHDOP();
			double vd = GPSData.getVDOP();
			double pd = Math.round(10 * Math.sqrt(hd * hd + vd * vd)) / 10.0;
			pdop.setValue(pd);
			GPSData.setPDOP(pd);
		}
		else {
			pdop.setValue(GPSData.getPDOP());
		}
		if(automaticStatus.isSelected()){
			GPSData.Status s = GPSData.getSatellites() < 4 ? GPSData.Status.V : GPSData.Status.A;
			status.setSelectedItem(s);
			GPSData.setStatus(s);
		}
		else {
			status.setSelectedItem(GPSData.getStatus());
		}
		int q = GPSData.getQuality();
		quality.setSelectedIndex(q > 2 ? q-3 : q);
	}

	public QualityPanel() {
	   	GPSData.addChangeListener(this);
	   	this.setBorder(BorderFactory.createTitledBorder("Quality"));
		
    	this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
 		
    	JPanel p1 = new JPanel(new FlowLayout());
    	p1.add(new JLabel("Status:"));
    	p1.add(status);
    	p1.add(new JLabel("Bound to # of satellites?"));
    	p1.add(automaticStatus);
    	this.add(p1);

    	status.addItem(GPSData.Status.A);
    	status.addItem(GPSData.Status.V);
    	status.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				GPSData.setStatus((GPSData.Status)status.getSelectedItem());
			}
		});
    	
    	automaticStatus.setSelected(false);
    	automaticStatus.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent arg0) {
				status.setEnabled(!automaticStatus.isSelected());
				valueChanged();
			}
    	});

		JPanel p2 = new JPanel(new FlowLayout());
		p2.add(new JLabel("Satellites:", JLabel.RIGHT));
		p2.add(satellites);		
    	p2.add(new JLabel("Quality:", JLabel.RIGHT));
		p2.add(quality);
		this.add(p2);

		for (int i = 0; i <= 12; i++) { satellites.addItem(i); }
		satellites.setSelectedIndex(GPSData.getSatellites());
		satellites.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				GPSData.setSatellites(satellites.getSelectedIndex());
			}
		});

		quality.addItem("invalid");		// 0
		quality.addItem("GPS");			// 1
		quality.addItem("DGPS");		// 2
		quality.addItem("Estimated");	// 6
		quality.addItem("Manual");		// 7
		quality.addItem("Simulation");	// 8

		quality.setSelectedIndex(GPSData.getQuality());
		quality.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				int index = quality.getSelectedIndex();
				if(index > 2) index+=3;
				GPSData.setQuality(index);
			}
		});
		
		this.add(new JPanel());
		
		JPanel p3 = new JPanel(new GridLayout(2, 6));		
		p3.add(new JLabel("HDOP: ", JLabel.RIGHT));
       	p3.add(hdop);
		p3.add(new JLabel("VDOP: ", JLabel.RIGHT));
    	p3.add(vdop);
		p3.add(new JLabel("PDOP: ", JLabel.RIGHT));
    	p3.add(pdop);
    	p3.add(new JLabel(""));
    	p3.add(new JLabel(""));
    	p3.add(new JLabel(""));
    	p3.add(new JLabel(""));
    	p3.add(new JLabel("fixed?", JLabel.RIGHT));
    	p3.add(automaticPDOP);
		this.add(p3);

    	hdop.setModel(new SpinnerNumberModel(GPSData.getHDOP(), 0, 10, 0.1));
    	hdop.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent e) {
				Double tmp = (Double) hdop.getValue();
				GPSData.setHDOP(tmp.doubleValue());
			}
    	});

    	vdop.setModel(new SpinnerNumberModel(GPSData.getVDOP(), 0, 10, 0.1));
    	vdop.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent e) {
				Double tmp = (Double) vdop.getValue();
				GPSData.setVDOP(tmp.doubleValue());
			}
    	});

    	pdop.setEnabled(false);
    	pdop.setModel(new SpinnerNumberModel(GPSData.getPDOP(), 0, 10, 0.1));
    	pdop.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent e) {
				Double tmp = (Double) pdop.getValue();
				GPSData.setPDOP(tmp.doubleValue());
			}
    	});

    	automaticPDOP.setSelected(true);
    	automaticPDOP.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent arg0) {
				pdop.setEnabled(!automaticPDOP.isSelected());
				valueChanged();
			}
    	});
	}
	
}