/** 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; }