private static int getItemToSelect(
LookupImpl lookup,
List<LookupElement> items,
boolean onExplicitAction,
@Nullable LookupElement mostRelevant) {
if (items.isEmpty() || lookup.getFocusDegree() == LookupImpl.FocusDegree.UNFOCUSED) {
return 0;
}
if (lookup.isSelectionTouched() || !onExplicitAction) {
final LookupElement lastSelection = lookup.getCurrentItem();
int old = ContainerUtil.indexOfIdentity(items, lastSelection);
if (old >= 0) {
return old;
}
Object selectedValue = ((LookupImpl) lookup).getList().getSelectedValue();
if (selectedValue instanceof EmptyLookupItem
&& ((EmptyLookupItem) selectedValue).isLoading()) {
int index = ((LookupImpl) lookup).getList().getSelectedIndex();
if (index >= 0 && index < items.size()) {
return index;
}
}
for (int i = 0; i < items.size(); i++) {
String invariant = PRESENTATION_INVARIANT.get(items.get(i));
if (invariant != null && invariant.equals(PRESENTATION_INVARIANT.get(lastSelection))) {
return i;
}
}
}
String selectedText = lookup.getEditor().getSelectionModel().getSelectedText();
for (int i = 0; i < items.size(); i++) {
LookupElement item = items.get(i);
if (isPrefixItem(lookup, item, true) && !isLiveTemplate(item)
|| item.getLookupString().equals(selectedText)) {
return i;
}
}
return Math.max(0, ContainerUtil.indexOfIdentity(items, mostRelevant));
}
