public void setRegion(String region) {
this.currentRegion = region;
renderer.setChartTitle(region);
renderer.getSeriesRendererAt(0).setColor(colors[viewMode]);
((XYSeriesRenderer) renderer.getSeriesRendererAt(0))
.setFillBelowLineColor(0x33000000 | colors[viewMode]);
if (getComponentForm() != null) {
XYMultiSeriesTransition t = new XYMultiSeriesTransition(chart, dataSet);
RegionData[] rdArr = data.getRegionData(region);
for (RegionData rd : rdArr) {
switch (viewMode) {
case VIEW_MODE_POPULATION:
dataSet.getSeriesAt(0).setTitle("Population");
t.getBuffer().getSeriesAt(POPULATION).add(rd.year, rd.pop);
break;
case VIEW_MODE_DENSITY:
dataSet.getSeriesAt(0).setTitle("Density (People per square mile)");
t.getBuffer().getSeriesAt(POPULATION).add(rd.year, rd.density);
break;
default:
throw new RuntimeException("Illegal view mode.");
}
// t.getBuffer().getSeriesAt(DENSITY).add(rd.year, rd.density);
// t.getBuffer().getSeriesAt(RANK).add(rd.year, rd.rank);
}
t.animateChart();
} else {
RegionData[] rdArr = data.getRegionData(region);
renderer.getSeriesRendererAt(0).setColor(colors[viewMode]);
for (RegionData rd : rdArr) {
switch (viewMode) {
case VIEW_MODE_POPULATION:
dataSet.getSeriesAt(POPULATION).add(rd.year, rd.pop);
dataSet.getSeriesAt(0).setTitle("Population");
break;
case VIEW_MODE_DENSITY:
dataSet.getSeriesAt(0).setTitle("Density (People per square mile)");
dataSet.getSeriesAt(POPULATION).add(rd.year, rd.density);
break;
default:
throw new RuntimeException("Illegal view mode");
}
}
Log.p("Finished adding pop data");
}
}
/**
* 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;
}
/**
* Sets a few of the series renderer settings.
*
* @param renderer the renderer to set the properties to
* @param title the chart title
* @param xTitle the title for the X axis
* @param yTitle the title for the Y axis
* @param xMin the minimum value on the X axis
* @param xMax the maximum value on the X axis
* @param yMin the minimum value on the Y axis
* @param yMax the maximum value on the Y axis
* @param axesColor the axes color
* @param labelsColor the labels color
*/
protected void setChartSettings(
XYMultipleSeriesRenderer renderer,
String title,
String xTitle,
String yTitle,
double xMin,
double xMax,
double yMin,
double yMax,
int axesColor,
int labelsColor) {
renderer.setChartTitle(title);
renderer.setXTitle(xTitle);
renderer.setYTitle(yTitle);
renderer.setXAxisMin(xMin);
renderer.setXAxisMax(xMax);
renderer.setYAxisMin(yMin);
renderer.setYAxisMax(yMax);
renderer.setAxesColor(axesColor);
renderer.setLabelsColor(labelsColor);
}
/**
* 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;
}
