@Override
public void decode(FacesContext context, UIComponent component) {
super.decode(context, component);
if (!component.isRendered()) {
return;
}
Map<String, String> requestParameterMap = context.getExternalContext().getRequestParameterMap();
if (requestParameterMap.get(component.getClientId(context)) != null) {
String xParam = requestParameterMap.get(getFieldId(component, X_VALUE));
String yParam = requestParameterMap.get(getFieldId(component, Y_VALUE));
String pointIndexParam = requestParameterMap.get(getFieldId(component, POINT_INDEX));
String eventTypeParam = requestParameterMap.get(getFieldId(component, EVENT_TYPE));
String seriesIndexParam = requestParameterMap.get(getFieldId(component, SERIES_INDEX));
try {
if (PLOT_CLICK_TYPE.equals(eventTypeParam)) {
double y = Double.parseDouble(yParam);
int seriesIndex = Integer.parseInt(seriesIndexParam);
int pointIndex = Integer.parseInt(pointIndexParam);
String x = xParam;
new PlotClickEvent(component, seriesIndex, pointIndex, x, y).queue();
}
} catch (NumberFormatException ex) {
throw new FacesException("Cannot convert request parmeters", ex);
}
}
}
/** Method process chart tags, it collects chart options and data. */
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
super.encodeBegin(context, component);
AbstractChart chart = (AbstractChart) component;
VisitChart visitCallback = new VisitChart(chart);
// copy attributes to parent tag and process data
chart.visitTree(
VisitContext.createVisitContext(FacesContext.getCurrentInstance()), visitCallback);
// store data to parent tag
component.getAttributes().put("chartData", visitCallback.getData());
if (!visitCallback.isDataEmpty()) {
component.getAttributes().put("charttype", visitCallback.getChartType());
component.getAttributes().put("xtype", axisDataTypeToString(visitCallback.getKeyType()));
component.getAttributes().put("ytype", axisDataTypeToString(visitCallback.getValType()));
}
// set flag whether request to server should be sent
boolean anyServerSideListener = chart.getPlotClickListener() != null ? true : false;
if (!anyServerSideListener) {
// check if there is particular series listener
List<MethodExpression> listeners = visitCallback.getParticularSeriesListeners();
for (MethodExpression methodExpression : listeners) {
if (methodExpression != null) {
anyServerSideListener = true;
break;
}
}
}
component.getAttributes().put("serverSideListener", anyServerSideListener);
// client-side handlers for particular series
component.getAttributes().put("handlers", visitCallback.getSeriesSpecificHandlers());
// server-side listeners for particular series
component
.getAttributes()
.put("particularSeriesListeners", visitCallback.getParticularSeriesListeners());
}