/**
* Return a list of all objects in the selection, respecting the different modifier.
*
* @param alt Whether the alt key was pressed, which means select all objects that are touched,
* instead those which are completely covered.
* @return The collection of selected objects.
*/
public Collection<OsmPrimitive> getSelectedObjects(boolean alt) {
Collection<OsmPrimitive> selection = new LinkedList<>();
// whether user only clicked, not dragged.
boolean clicked = false;
Rectangle bounding = lasso.getBounds();
if (bounding.height <= 2 && bounding.width <= 2) {
clicked = true;
}
if (clicked) {
Point center = new Point(lasso.xpoints[0], lasso.ypoints[0]);
OsmPrimitive osm = nc.getNearestNodeOrWay(center, OsmPrimitive.isSelectablePredicate, false);
if (osm != null) {
selection.add(osm);
}
} else {
// nodes
for (Node n : nc.getCurrentDataSet().getNodes()) {
if (n.isSelectable() && lasso.contains(nc.getPoint2D(n))) {
selection.add(n);
}
}
// ways
for (Way w : nc.getCurrentDataSet().getWays()) {
if (!w.isSelectable() || w.getNodesCount() == 0) {
continue;
}
if (alt) {
for (Node n : w.getNodes()) {
if (!n.isIncomplete() && lasso.contains(nc.getPoint2D(n))) {
selection.add(w);
break;
}
}
} else {
boolean allIn = true;
for (Node n : w.getNodes()) {
if (!n.isIncomplete() && !lasso.contains(nc.getPoint(n))) {
allIn = false;
break;
}
}
if (allIn) {
selection.add(w);
}
}
}
}
return selection;
}
