private void adjustHandles(List<Point> oldWaypoints, List<Point> newWaypoints) {
if (oldWaypoints.size() != newWaypoints.size()) {
// re-assign segment index and segment parameter
// System.out.println("Before: " + oldWaypoints.size() +
// " waypoints");
// System.out.println("After: " + newWaypoints.size() +
// " waypoints");
List<FXCircleSegmentHandlePart> parts =
PartUtils.filterParts(
PartUtils.getAnchoreds(getHost().getAnchorages().keySet()),
FXCircleSegmentHandlePart.class);
Collections.<FXCircleSegmentHandlePart>sort(parts);
// System.out.println("Found " + parts.size() +
// " FXSelectionHandleParts");
Iterator<FXCircleSegmentHandlePart> it = parts.iterator();
FXCircleSegmentHandlePart part = null;
for (int i = 0; i <= newWaypoints.size(); i++) {
// param 0
part = it.next();
// System.out.println("Reassigned index " +
// part.getSegmentIndex() + " - " + part.getSegmentParameter() +
// " to " + i + " - " + 0.0);
setSegmentIndex(part, i);
setSegmentParameter(part, 0.0);
// skip mid point handles around newly created waypoints
if (createdSegmentIndex < 0
|| part.getSegmentIndex() != createdSegmentIndex - 1
&& part.getSegmentIndex() != createdSegmentIndex) {
// param 0.5
part = it.next();
// System.out.println("Reassigned index " +
// part.getSegmentIndex() + " - " +
// part.getSegmentParameter() + " to " + i + " - " + 0.5);
setSegmentIndex(part, i);
setSegmentParameter(part, 0.5);
}
}
// param 1
part = it.next();
// System.out.println("Reassigned index " + part.getSegmentIndex() +
// " - " + part.getSegmentParameter() + " to " +
// (newWaypoints.size()) + " - " + 1.0);
setSegmentIndex(part, newWaypoints.size());
setSegmentParameter(part, 1.0);
// not used -> could be removed (and re-added)
while (it.hasNext()) {
part = it.next();
// System.out.println("Reassigned index " +
// part.getSegmentIndex() + " - " + part.getSegmentParameter() +
// " to " + -1 + " - " + 1.0);
// hide (but do not remove from root part and anchorage yet
// (this will be initiated upon commit)
setSegmentIndex(part, -1);
}
}
}
private void setSegmentIndex(FXCircleSegmentHandlePart part, int value) {
if (part.getSegmentIndex() != value) {
part.setSegmentIndex(value);
}
}
private void setSegmentParameter(FXCircleSegmentHandlePart part, double value) {
if (part.getSegmentParameter() != value) {
part.setSegmentParameter(value);
}
}
@Override
public void press(MouseEvent e) {
createdSegmentIndex = -1;
FXCircleSegmentHandlePart hp = getHost();
IVisualPart<Node, ? extends Node> anchorage =
getHost().getAnchorages().keySet().iterator().next();
disableRefreshVisuals(anchorage);
init(getBendPolicy(anchorage));
if (hp.getSegmentParameter() == 0.5) {
// create new way point
getBendPolicy(anchorage)
.createAndSelectSegmentPoint(
hp.getSegmentIndex(), new Point(e.getSceneX(), e.getSceneY()));
// find other segment handle parts
List<FXCircleSegmentHandlePart> parts =
PartUtils.filterParts(
PartUtils.getAnchoreds(getHost().getAnchorages().keySet()),
FXCircleSegmentHandlePart.class);
// sort parts by segment index and parameter
Collections.<FXCircleSegmentHandlePart>sort(parts);
// increment segment index of succeeding parts
for (FXCircleSegmentHandlePart p : parts) {
if (p.getSegmentIndex() > hp.getSegmentIndex()
|| (p.getSegmentIndex() == hp.getSegmentIndex() && p.getSegmentParameter() == 1)) {
p.setSegmentIndex(p.getSegmentIndex() + 1);
}
}
// adjust index and parameter of this segment handle part
hp.setSegmentIndex(hp.getSegmentIndex() + 1);
hp.setSegmentParameter(0);
createdSegmentIndex = hp.getSegmentIndex();
} else {
// select existing way point
getBendPolicy(anchorage)
.selectSegmentPoint(
hp.getSegmentIndex(),
hp.getSegmentParameter(),
new Point(e.getSceneX(), e.getSceneY()));
}
}