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 Chart(String title, String timeAxis, String valueAxis, TimeSeries data) {
try {
// Build the datasets
dataset.addSeries(data);
// Create the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title, timeAxis, valueAxis, dataset, true, true, false);
// Setup the appearance of the chart
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
// Tell the chart how we would like dates to read
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat("EEE HH"));
this.add(new ChartPanel(chart));
} catch (Exception e) {
e.printStackTrace();
}
}
private JFreeChart buildChart(TimeSeriesCollection dataset, String title, boolean endPoints) {
// Create the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(title, "Date", "Price", dataset, true, true, false);
// Display each series in the chart with its point shape in the legend
LegendTitle sl = chart.getLegend();
// sl.setDisplaySeriesShapes(true);
// Setup the appearance of the chart
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
// Display data points or just the lines?
if (endPoints) {
XYItemRenderer renderer = plot.getRenderer();
if (renderer instanceof StandardXYItemRenderer) {
StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
// rr.setPlotShapes(true);
rr.setShapesFilled(true);
rr.setItemLabelsVisible(true);
}
}
// Tell the chart how we would like dates to read
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
return chart;
}
