void rebuild() {
ArrayList<FoldRegion> topLevels = new ArrayList<FoldRegion>(myRegions.size() / 2);
ArrayList<FoldRegion> visible = new ArrayList<FoldRegion>(myRegions.size());
FoldRegion[] regions = myRegions.toArray(new FoldRegion[myRegions.size()]);
FoldRegion currentToplevel = null;
for (FoldRegion region : regions) {
if (region.isValid()) {
visible.add(region);
if (!region.isExpanded()) {
if (currentToplevel == null || currentToplevel.getEndOffset() < region.getStartOffset()) {
currentToplevel = region;
topLevels.add(region);
}
}
}
}
myCachedTopLevelRegions =
topLevels.isEmpty()
? FoldRegion.EMPTY_ARRAY
: topLevels.toArray(new FoldRegion[topLevels.size()]);
Arrays.sort(myCachedTopLevelRegions, BY_END_OFFSET);
FoldRegion[] visibleArrayed = visible.toArray(new FoldRegion[visible.size()]);
for (FoldRegion visibleRegion : visibleArrayed) {
for (FoldRegion topLevelRegion : myCachedTopLevelRegions) {
if (contains(topLevelRegion, visibleRegion)) {
visible.remove(visibleRegion);
break;
}
}
}
myCachedVisible = visible.toArray(new FoldRegion[visible.size()]);
Arrays.sort(myCachedVisible, BY_END_OFFSET_REVERSE);
updateCachedOffsets();
}
private void updateCachedOffsets() {
myFoldTree.updateCachedOffsets();
}