/** Reaction to value changes in the form. */
public void stateChanged(ChangeEvent e) {
String nm = ((JComponent) e.getSource()).getName();
double x;
if (nm.equals(nmSpinMaxFlow)) {
x = (Double) spinMaxFlow.getValue();
mf = x;
}
if (nm.equals(nmSpinCapDrop)) {
x = (Double) spinCapDrop.getValue();
drp = x;
}
if (nm.equals(nmSpinCritDen)) {
x = (Double) spinCritDen.getValue();
if (x <= jd) cd = x;
}
if (nm.equals(nmSpinJamDen)) {
x = (Double) spinJamDen.getValue();
if (x >= cd) jd = x;
}
if (nm.equals(nmSpinVff)) {
x = (Double) spinVff.getValue();
if (x > 0.0) cd = mf / x;
double xx = (Double) spinWc.getValue();
if (xx > 0.0) jd = cd + (mf / xx);
}
if (nm.equals(nmSpinWc)) {
x = (Double) spinWc.getValue();
if (x > 0.0) jd = cd + (mf / x);
}
updateSpinners();
updateFDSeries();
return;
}
/** Updates spinner values. */
private void updateSpinners() {
spinMaxFlow.setValue((Double) mf);
spinCapDrop.setValue((Double) drp);
spinCritDen.setValue((Double) cd);
spinJamDen.setValue((Double) jd);
spinVff.setValue((Double) (mf / cd));
spinWc.setValue((Double) (mf / (jd - cd)));
return;
}
/** Fills the panel with event specific fields. */
protected void fillPanel() {
JLabel l;
Box fdp = Box.createVerticalBox();
fdp.setBorder(BorderFactory.createTitledBorder("Fundamental Diagram"));
fdChart = makeFDChart();
ChartPanel cp = new ChartPanel(fdChart);
cp.setMinimumDrawWidth(100);
cp.setMinimumDrawHeight(60);
cp.setPreferredSize(new Dimension(250, 80));
fdp.add(new JScrollPane(cp));
JPanel prmp = new JPanel(new SpringLayout());
l = new JLabel("Capacity:", JLabel.TRAILING);
prmp.add(l);
spinMaxFlow = new JSpinner(new SpinnerNumberModel(mf, 0, 99999, 1.0));
spinMaxFlow.setEditor(new JSpinner.NumberEditor(spinMaxFlow, "####0.00"));
spinMaxFlow.addChangeListener(this);
spinMaxFlow.setName(nmSpinMaxFlow);
l.setLabelFor(spinMaxFlow);
prmp.add(spinMaxFlow);
l = new JLabel("Cap.Drop:", JLabel.TRAILING);
prmp.add(l);
spinCapDrop = new JSpinner(new SpinnerNumberModel(drp, 0, 99999, 1.0));
spinCapDrop.setEditor(new JSpinner.NumberEditor(spinCapDrop, "####0.00"));
spinCapDrop.addChangeListener(this);
spinCapDrop.setName(nmSpinCapDrop);
l.setLabelFor(spinCapDrop);
prmp.add(spinCapDrop);
l = new JLabel("C.Density:", JLabel.TRAILING);
prmp.add(l);
spinCritDen = new JSpinner(new SpinnerNumberModel(cd, 0, 99999, 1.0));
spinCritDen.setEditor(new JSpinner.NumberEditor(spinCritDen, "####0.00"));
spinCritDen.addChangeListener(this);
spinCritDen.setName(nmSpinCritDen);
l.setLabelFor(spinCritDen);
prmp.add(spinCritDen);
l = new JLabel(" V:", JLabel.TRAILING);
prmp.add(l);
spinVff = new JSpinner(new SpinnerNumberModel(mf / cd, 0, 200, 1.0));
spinVff.setEditor(new JSpinner.NumberEditor(spinVff, "#0.00"));
spinVff.addChangeListener(this);
spinVff.setName(nmSpinVff);
l.setLabelFor(spinVff);
prmp.add(spinVff);
l = new JLabel("J.Density:", JLabel.TRAILING);
prmp.add(l);
spinJamDen = new JSpinner(new SpinnerNumberModel(jd, 0, 99999, 1.0));
spinJamDen.setEditor(new JSpinner.NumberEditor(spinJamDen, "####0.00"));
spinJamDen.addChangeListener(this);
spinJamDen.setName(nmSpinJamDen);
l.setLabelFor(spinJamDen);
prmp.add(spinJamDen);
l = new JLabel(" W:", JLabel.TRAILING);
prmp.add(l);
if (jd == cd) jd = cd + 1;
int ulim = (int) Math.max(Math.ceil(mf / (jd - cd)), 999);
spinWc = new JSpinner(new SpinnerNumberModel(mf / (jd - cd), 0, ulim, 1.0));
spinWc.setEditor(new JSpinner.NumberEditor(spinWc, "#0.00"));
spinWc.addChangeListener(this);
spinWc.setName(nmSpinWc);
l.setLabelFor(spinWc);
prmp.add(spinWc);
SpringUtilities.makeCompactGrid(prmp, 3, 4, 2, 2, 2, 2);
fdp.add(prmp);
// add(new JScrollPane(fdp));
add(fdp);
return;
}
