private void removePoint(GeoElement oldPoint) {
// remove dependent algorithms (e.g. segments) from update sets of
// objects further up (e.g. polygon) the tree
ArrayList<AlgoElement> algoList = oldPoint.getAlgorithmList();
for (int k = 0; k < algoList.size(); k++) {
AlgoElement algo = algoList.get(k);
for (int j = 0; j < input.length; j++) input[j].removeFromUpdateSets(algo);
}
// remove old point
oldPoint.setParentAlgorithm(null);
// remove dependent segment algorithm that are part of this polygon
// to make sure we don't remove the polygon as well
GeoPolygon poly = getPoly();
for (int k = 0; k < algoList.size(); k++) {
AlgoElement algo = algoList.get(k);
// make sure we don't remove the polygon as well
if (algo instanceof AlgoJoinPointsSegmentInterface
&& ((AlgoJoinPointsSegmentInterface) algo).getPoly() == poly) {
continue;
}
algo.remove();
}
algoList.clear();
// remove point
oldPoint.doRemove();
}
/** Calls doRemove() for all output objects of this algorithm except for keepGeo. */
@Override
public void removeOutputExcept(GeoElement keepGeo) {
for (int i = 0; i < super.getOutputLength(); i++) {
GeoElement geo = super.getOutput(i);
if (geo != keepGeo) {
if (geo.isGeoPoint()) {
removePoint(geo);
} else {
geo.doRemove();
}
}
}
}
