public void redoChart(PieChart pieChart) {
pieChart.getModel().setTitle(new Text(valueLabel + " by " + groupLabel, chartTitleStyle));
PieDataProvider provider = (PieDataProvider) pieChart.getDataProvider();
provider.setLabelProperty(groupCol);
provider.setValueProperty(valueCol);
provider.setTextProperty(labelCol);
provider.bind(store);
provider.populateData(pieChart);
}
private ChartModel getPieChartData() {
ChartModel cm =
new ChartModel(
"Most contacted friends", "font-size: 14px; font-family: Verdana; text-align: center;");
cm.setBackgroundColour("#fffff5");
Legend lg = new Legend(Position.RIGHT, true);
lg.setPadding(10);
cm.setLegend(lg);
PieChart pie = new PieChart();
pie.setAlpha(0.5f);
pie.setNoLabels(true);
// pie.setTooltip("#label# $#val#M<br>#percent#");
pie.setColours("#ff0000", "#00aa00", "#0000ff", "#ff9900", "#ff00ff");
pie.addSlices(new PieChart.Slice(100, "A", "Alice"));
pie.addSlices(new PieChart.Slice(200, "H", "John"));
pie.addSlices(new PieChart.Slice(150, "B", "Barack"));
pie.addSlices(new PieChart.Slice(120, "H", "Hilary"));
pie.addSlices(new PieChart.Slice(60, "F", "Franz"));
pie.addChartListener(listener);
cm.addChartConfig(pie);
return cm;
}
public void setNewPieChartModel() {
ChartModel model = new ChartModel(valueLabel + " by " + groupLabel, chartTitleStyle);
model.setBackgroundColour("#fefaee");
model.setLegend(new Legend(Position.TOP, true));
model.setScaleProvider(ScaleProvider.ROUNDED_NEAREST_SCALE_PROVIDER);
// BarChart bar = new BarChart(BarStyle.GLASS);
// bar.setColour("#ff0000");
// bar.setAnimateOnShow(true);
// BarDataProvider barProvider = new BarDataProvider("dollarValue", "productCode");
// barProvider.bind(gridStore);
// bar.setDataProvider(barProvider);
// model.addChartConfig(bar);
PieChart pie = new PieChart();
pie.setColours(chartColors);
PieDataProvider pieProvider =
new PieDataProvider(valueCol, groupCol) {
@Override
public void populateData(ChartConfig config) {
PieChart chart = (PieChart) config;
chart.getValues().clear();
TreeMap<String, Number> valueMap = new TreeMap<String, Number>();
TreeMap<String, String> textMap = new TreeMap<String, String>();
for (ModelData m : store.getModels()) {
Number n = (valueCol == null || valueCol.equals("count")) ? 1 : getValue(m);
String label = getLabel(m);
String text = getText(m);
if (text == null || text.length() == 0) text = label;
textMap.put(label, text);
if (valueMap.containsKey(label))
valueMap.put(
label, new Double(valueMap.get(label).doubleValue() + n.doubleValue()));
else valueMap.put(label, n);
}
for (String label : valueMap.keySet()) {
chart.addSlices(new Slice(valueMap.get(label), label, textMap.get(label)));
}
}
};
pieProvider.setTextProperty(labelCol);
pieProvider.bind(store);
pie.setDataProvider(pieProvider);
model.addChartConfig(pie);
chart.setChartModel(model);
}
public ChartModel getChartModel(int segments) {
ChartModel cd = new ChartModel("Sales per Month", "font-size: 14px; font-family: Verdana;");
cd.setBackgroundColour("#fffff0");
PieChart pie = new PieChart();
pie.setAlpha(0.5f);
pie.setTooltip("#label# $#val#<br>#percent#");
pie.setAnimate(false);
pie.setAlphaHighlight(true);
pie.setGradientFill(true);
pie.setColours("#ff0000", "#00aa00", "#0000ff", "#ff9900", "#ff00ff");
for (int n = 0; n < segments; n++) {
pie.addSlices(new PieChart.Slice(Random.nextInt(110) * 100, TestData.getMonths()[n]));
}
cd.addChartConfig(pie);
return cd;
}
