private JFreeChart buildDifferenceChart(TimeSeriesCollection dataset, String title) {
// Creat the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title,
"Date",
"Price",
dataset,
true, // legend
true, // tool tips
false // URLs
);
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setRenderer(
new XYDifferenceRenderer(new Color(112, 128, 222), new Color(112, 128, 222), false));
plot.setBackgroundPaint(Color.white);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
ValueAxis domainAxis = new DateAxis("Date");
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.0);
plot.setDomainAxis(domainAxis);
plot.setForegroundAlpha(0.5f);
return chart;
}
public MyDemoPanel() {
super(new BorderLayout());
lastValue = new double[3];
CombinedDomainXYPlot combineddomainxyplot = new CombinedDomainXYPlot(new DateAxis("Time"));
datasets = new TimeSeriesCollection[3];
for (int i = 0; i < 3; i++) {
lastValue[i] = 100D;
TimeSeries timeseries = new TimeSeries("Random " + i);
datasets[i] = new TimeSeriesCollection(timeseries);
NumberAxis numberaxis = new NumberAxis("Y" + i);
numberaxis.setAutoRangeIncludesZero(false);
XYPlot xyplot = new XYPlot(datasets[i], null, numberaxis, new StandardXYItemRenderer());
xyplot.setBackgroundPaint(Color.lightGray);
xyplot.setDomainGridlinePaint(Color.white);
xyplot.setRangeGridlinePaint(Color.white);
combineddomainxyplot.add(xyplot);
}
JFreeChart jfreechart = new JFreeChart("Dynamic Data Demo 3", combineddomainxyplot);
addChart(jfreechart);
LegendTitle legendtitle = (LegendTitle) jfreechart.getSubtitle(0);
legendtitle.setPosition(RectangleEdge.RIGHT);
legendtitle.setMargin(new RectangleInsets(UnitType.ABSOLUTE, 0.0D, 4D, 0.0D, 4D));
jfreechart.setBorderPaint(Color.black);
jfreechart.setBorderVisible(true);
ValueAxis valueaxis = combineddomainxyplot.getDomainAxis();
valueaxis.setAutoRange(true);
valueaxis.setFixedAutoRange(20000D);
ChartUtilities.applyCurrentTheme(jfreechart);
ChartPanel chartpanel = new ChartPanel(jfreechart);
add(chartpanel);
JPanel jpanel = new JPanel(new FlowLayout());
for (int j = 0; j < 3; j++) {
JButton jbutton1 = new JButton("Series " + j);
jbutton1.setActionCommand("ADD_DATA_" + j);
jbutton1.addActionListener(this);
jpanel.add(jbutton1);
}
JButton jbutton = new JButton("ALL");
jbutton.setActionCommand("ADD_ALL");
jbutton.addActionListener(this);
jpanel.add(jbutton);
add(jpanel, "South");
chartpanel.setPreferredSize(new Dimension(500, 470));
chartpanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
}
protected JFreeChart createChart(
DSLAMSource source,
String LID,
Timeinterval time,
Properties properties,
GraphRenderingInput input,
Map<String, Object> colorScheme,
Properties outputProperties)
throws IOException {
JFreeChart res = null;
{
JFreeChart chart = null;
Timeinterval domainAxisTime = null;
// Set 'chart':
{
String domainAxisTitle = null;
// Set 'domainAxisTime':
{
DateFormat format = (DateFormat) colorScheme.get("date.format");
domainAxisTitle = "Time (" + time.toString(format) + ")";
}
chart =
ChartFactory.createTimeSeriesChart(
null, // chart-title
domainAxisTitle, // domain-axis label
null, // value-axis label
null, // dataset
true, // legends required
true, // generate tooltips
false // generate URLs
);
}
XYPlot plot = chart.getXYPlot();
plot.setOrientation(PlotOrientation.VERTICAL);
plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
plot.getRangeAxis().setFixedDimension(15.0);
// Fix the domain axis:
{
fixDateAxisToTimeinterval(plot, time);
domainAxisTime = time;
}
// Set the y-axis:
{
String axisTitle = "Count (/900s)";
ValueAxis a = new LogarithmicAxis(axisTitle);
a.setLowerBound(0);
a.setUpperBound(1000); // TODO: '1000' is '900' rounded up to nearest power of 10!
// TODO: Get unit from data-model!
// TODO: Get upper bound from data-model!
plot.setRangeAxis(a);
}
String title = getTitle();
setDefaults(chart, colorScheme);
setTitle(chart, LID, colorScheme, title, source, time);
String filter = ""; // an empty string implies the default filter!
// Set 'filter':
{
if (input != null) {
Properties p = input.getProperties();
if (p != null) {
String v = p.getProperty("data.filter");
if (v != null) {
filter = v;
}
}
}
}
addData(chart, source, time, filter, properties, colorScheme, outputProperties);
if (outputProperties != null) {
if (domainAxisTime != null) {
outputProperties.setProperty("axis.domain.time", time.toString());
}
}
res = chart;
}
return res;
}
