/** Fetches the latest legend items. */
protected void fetchLegendItems() {
this.items.clear();
RectangleEdge p = getPosition();
if (RectangleEdge.isTopOrBottom(p)) {
this.items.setArrangement(this.hLayout);
} else {
this.items.setArrangement(this.vLayout);
}
if (this.sortOrder.equals(SortOrder.ASCENDING)) {
for (int s = 0; s < this.sources.length; s++) {
LegendItemCollection legendItems = this.sources[s].getLegendItems();
if (legendItems != null) {
for (int i = 0; i < legendItems.getItemCount(); i++) {
addItemBlock(legendItems.get(i));
}
}
}
} else {
for (int s = this.sources.length - 1; s >= 0; s--) {
LegendItemCollection legendItems = this.sources[s].getLegendItems();
if (legendItems != null) {
for (int i = legendItems.getItemCount() - 1; i >= 0; i--) {
addItemBlock(legendItems.get(i));
}
}
}
}
}
public void updateAndSortLegend(LegendItemCollection legendItemsOld) {
HashMap<String, LegendItem> oldIndexes = new HashMap<String, LegendItem>();
// Finding old indexes and saving them for sorting (not including those starting with "var"
for (int i = 0; i < legendItemsOld.getItemCount(); i++) {
LegendItem item = legendItemsOld.get(i);
if (!item.getLabel().equals("var")) {
oldIndexes.put(trimLabel(item.getLabel()), item);
}
}
// Sorting the new legend
final LegendItemCollection legendItemsNew = new LegendItemCollection();
Object[] keys = oldIndexes.keySet().toArray();
Arrays.sort(keys);
for (Object key : keys) {
legendItemsNew.add(oldIndexes.get(key));
}
LegendItemSource source =
new LegendItemSource() {
LegendItemCollection lic = new LegendItemCollection();
{
lic.addAll(legendItemsNew);
}
public LegendItemCollection getLegendItems() {
return lic;
}
};
// Forcing legend to be in bottom
LegendTitle legend = new LegendTitle(source);
legend.setPosition(RectangleEdge.BOTTOM);
legend.setBorder(1, 1, 1, 1);
chart.removeLegend();
chart.addLegend(legend);
}