/**
* Builds an XY multiple series renderer.
*
* @param colors the series rendering color
* @param styles the series point style
* @return the XY multiple series renderer
*/
protected XYMultipleSeriesRenderer buildRenderer(int[] colors, PointStyle[] styles) {
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
renderer.setAxisTitleTextSize(25);
renderer.setChartTitleTextSize(25);
renderer.setLabelsTextSize(25);
renderer.setLegendTextSize(25);
renderer.setPointSize(10f);
renderer.setBackgroundColor(ColorUtil.BLACK);
renderer.setApplyBackgroundColor(true);
renderer.setMargins(new int[] {20, 30, 15, 20});
for (int i = 0; i < colors.length; i++) {
renderer.addSeriesRenderer(getXYSeriesRenderer(colors[i], styles[i]));
}
return renderer;
}
/**
* Builds a bar multiple series renderer to use the provided colors.
*
* @param colors the series renderers colors
* @return the bar multiple series renderer
*/
protected XYMultipleSeriesRenderer buildBarRenderer(int[] colors) {
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
renderer.setAxisTitleTextSize(25);
renderer.setChartTitleTextSize(25);
renderer.setLabelsTextSize(25);
renderer.setLegendTextSize(25);
renderer.setBackgroundColor(ColorUtil.BLACK);
renderer.setApplyBackgroundColor(true);
int length = colors.length;
for (int i = 0; i < length; i++) {
XYSeriesRenderer r = new XYSeriesRenderer();
r.setColor(colors[i]);
renderer.addSeriesRenderer(r);
}
return renderer;
}
public DensityChart(PopulationData data) {
colors = new int[] {0x660000, 0x006600};
dataSet = new XYMultipleSeriesDataset();
XYSeries[] series = new XYSeries[] {new XYSeries("Population")};
renderer = new XYMultipleSeriesRenderer();
XYSeriesRenderer[] renderers =
new XYSeriesRenderer[] {
new XYSeriesRenderer(),
};
for (XYSeriesRenderer r : renderers) {
r.setLineWidth(2);
r.setColor(0xffff0000);
r.setFillBelowLine(true);
r.setFillBelowLineColor(0x33ff0000);
renderer.addSeriesRenderer(r);
}
renderer.setBackgroundColor(0xff000000);
renderer.setInitialRange(new double[] {1900, 2010, 0, 800000});
renderer.setXAxisMin(1910);
renderer.setMarginsColor(0xffffff);
renderer.setAxesColor(0x0);
renderer.setXLabelsColor(0x0);
renderer.setYLabelsColor(0, 0x0);
renderer.setShowGridX(true);
renderer.setGridColor(0xcccccc);
dataSet.addAllSeries(Arrays.asList(series));
LineChart lc =
new LineChart(dataSet, renderer) {
@Override
protected ClickableArea[] clickableAreasForPoints(
List<Float> points,
List<Double> values,
float yAxisValue,
int seriesIndex,
int startIndex) {
ClickableArea[] hotspots =
super.clickableAreasForPoints(points, values, yAxisValue, seriesIndex, startIndex);
for (ClickableArea area : hotspots) {
area.getRect().setY(0);
area.getRect().setHeight(10000);
}
return hotspots;
}
};
chart =
new ChartComponent(lc) {
@Override
protected void seriesPressed(SeriesSelection sel) {
super.seriesPressed(sel);
yearPressed((int) sel.getXValue());
}
};
this.setLayout(new BorderLayout());
this.addComponent(BorderLayout.CENTER, chart);
this.data = data;
}