/** Makes the chart show category labels or not. */
private void updateCategories() {
if (chart != null) {
IAxisSet axisSet = chart.getAxisSet();
if (axisSet != null) {
IAxis xAxis = axisSet.getXAxis(0);
if (xAxis != null) {
String[] series = xAxis.getCategorySeries();
if (series != null) {
boolean enoughSpace =
chart.getPlotArea().getSize().x / series.length >= MIN_CATEGORY_WIDTH;
xAxis.enableCategory(enoughSpace);
xAxis.getTick().setVisible(enoughSpace);
}
}
}
}
}
private void showData(List<IStoreItem> res) {
Iterator<IStoreItem> iter = res.iterator();
// clear the graph
ISeries[] coll = chart.getSeriesSet().getSeries();
for (int i = 0; i < coll.length; i++) {
ISeries iSeries = coll[i];
chart.getSeriesSet().deleteSeries(iSeries.getId());
}
while (iter.hasNext()) {
ICollection iCollection = (ICollection) iter.next();
TimeFrequencyBins.BinnedData bins = null;
if (iCollection.isTemporal()) {
if (iCollection.size() > 1) {
if (iCollection.size() <= MAX_SIZE) {
IBaseTemporalCollection thisQ = (IBaseTemporalCollection) iCollection;
bins = TimeFrequencyBins.doBins(iCollection, thisQ);
String seriesName = iCollection.getName();
ILineSeries newSeries =
(ILineSeries) chart.getSeriesSet().createSeries(SeriesType.LINE, seriesName);
newSeries.setSymbolType(PlotSymbolType.NONE);
newSeries.enableArea(true);
newSeries.setLineColor(PlottingHelpers.colorFor(seriesName));
Date[] xData = new Date[bins.size() * 2];
double[] yData = new double[bins.size() * 2];
// put the data into series
int ctr = 0;
Iterator<Bin> iter2 = bins.iterator();
while (iter2.hasNext()) {
Bin bin = (TimeFrequencyBins.Bin) iter2.next();
xData[ctr] = new Date(bin.lowerVal);
yData[ctr++] = bin.freqVal;
xData[ctr] = new Date(bin.upperVal);
yData[ctr++] = bin.freqVal;
}
newSeries.setXDateSeries(xData);
newSeries.setYSeries(yData);
newSeries.enableStack(true);
newSeries.enableArea(true);
// adjust the axis range
chart.getAxisSet().adjustRange();
IAxis xAxis = chart.getAxisSet().getXAxis(0);
xAxis.enableCategory(false);
// set the y axis min to be zero
Range yRange = chart.getAxisSet().getYAxis(0).getRange();
chart.getAxisSet().getYAxis(0).setRange(new Range(0, yRange.upper));
chart.redraw();
}
}
}
}
}