/**
* Adds a data item to the series and, if requested, sends a {@link SeriesChangeEvent} to all
* registered listeners.
*
* @param item the (x, y) item (<code>null</code> not permitted).
* @param notify a flag that controls whether or not a {@link SeriesChangeEvent} is sent to all
* registered listeners.
*/
public void add(XYDataItem item, boolean notify) {
ParamChecks.nullNotPermitted(item, "item");
item = (XYDataItem) item.clone();
if (this.autoSort) {
int index = Collections.binarySearch(this.data, item);
if (index < 0) {
this.data.add(-index - 1, item);
} else {
if (this.allowDuplicateXValues) {
// need to make sure we are adding *after* any duplicates
int size = this.data.size();
while (index < size && item.compareTo(this.data.get(index)) == 0) {
index++;
}
if (index < this.data.size()) {
this.data.add(index, item);
} else {
this.data.add(item);
}
} else {
throw new SeriesException("X-value already exists.");
}
}
} else {
if (!this.allowDuplicateXValues) {
// can't allow duplicate values, so we need to check whether
// there is an item with the given x-value already
int index = indexOf(item.getX());
if (index >= 0) {
throw new SeriesException("X-value already exists.");
}
}
this.data.add(item);
}
updateBoundsForAddedItem(item);
if (getItemCount() > this.maximumItemCount) {
XYDataItem removed = (XYDataItem) this.data.remove(0);
updateBoundsForRemovedItem(removed);
}
if (notify) {
fireSeriesChanged();
}
}
