@Override
protected void complete(final int time) {
new CodeCompletionHandlerBase(type, false, false, true)
.invokeCompletion(getProject(), getEditor(), time, false);
Lookup lookup = LookupManager.getActiveLookup(myEditor);
myItems = lookup == null ? null : lookup.getItems().toArray(LookupElement.EMPTY_ARRAY);
myPrefix = lookup == null ? null : lookup.itemPattern(lookup.getItems().get(0));
}
public static StatisticsUpdate collectStatisticChanges(LookupElement item, final Lookup lookup) {
applyLastCompletionStatisticsUpdate();
final StatisticsInfo base = StatisticsWeigher.getBaseStatisticsInfo(item, null);
if (base == StatisticsInfo.EMPTY) {
return new StatisticsUpdate(StatisticsInfo.EMPTY);
}
StatisticsUpdate update =
new StatisticsUpdate(
StatisticsWeigher.composeStatsWithPrefix(base, lookup.itemPattern(item), true));
ourPendingUpdate = update;
Disposer.register(
update,
new Disposable() {
@Override
public void dispose() {
//noinspection AssignmentToStaticFieldFromInstanceMethod
ourPendingUpdate = null;
}
});
return update;
}
@Override
public Result acceptChar(char c, final int prefixLength, final Lookup lookup) {
if (!lookup.getPsiFile().getLanguage().isKindOf(JavaLanguage.INSTANCE)) {
return null;
}
LookupElement item = lookup.getCurrentItem();
if (item == null) return null;
final Object o = item.getObject();
if (c == '!') {
if (o instanceof PsiVariable) {
if (PsiType.BOOLEAN.isAssignableFrom(((PsiVariable) o).getType()))
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
if (o instanceof PsiMethod) {
final PsiType type = ((PsiMethod) o).getReturnType();
if (type != null && PsiType.BOOLEAN.isAssignableFrom(type))
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
if (o instanceof PsiKeyword && ((PsiKeyword) o).textMatches(PsiKeyword.INSTANCEOF)) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
return null;
}
if (c == '.' && isWithinLiteral(lookup)) return Result.ADD_TO_PREFIX;
if (c == ':') {
PsiFile file = lookup.getPsiFile();
PsiDocumentManager.getInstance(file.getProject())
.commitDocument(lookup.getEditor().getDocument());
PsiElement leaf = file.findElementAt(lookup.getEditor().getCaretModel().getOffset() - 1);
if (PsiUtil.getLanguageLevel(file).isAtLeast(LanguageLevel.JDK_1_8)) {
PsiStatement statement = PsiTreeUtil.getParentOfType(leaf, PsiStatement.class);
if (statement == null
|| statement.getTextRange().getStartOffset()
!= leaf.getTextRange().getStartOffset()) { // not typing a statement label
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
}
if (PsiTreeUtil.getParentOfType(leaf, PsiSwitchLabelStatement.class) != null
|| PsiTreeUtil.getParentOfType(leaf, PsiConditionalExpression.class) != null) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
return Result.HIDE_LOOKUP;
}
if (c == '[' || c == ']' || c == ')' || c == '>')
return CharFilter.Result.SELECT_ITEM_AND_FINISH_LOOKUP;
if (c == '<' && o instanceof PsiClass) return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
if (c == '(') {
if (o instanceof PsiClass) {
if (PsiJavaPatterns.psiElement()
.afterLeaf(PsiKeyword.NEW)
.accepts(lookup.getPsiElement())) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
return Result.HIDE_LOOKUP;
}
if (o instanceof PsiType) {
return Result.HIDE_LOOKUP;
}
}
if ((c == ',' || c == '=') && o instanceof PsiVariable) {
int lookupStart = lookup.getLookupStart();
String name = ((PsiVariable) o).getName();
if (lookupStart >= 0 && name != null && name.equals(lookup.itemPattern(item))) {
return Result.HIDE_LOOKUP;
}
}
if (c == '#'
&& PsiTreeUtil.getParentOfType(lookup.getPsiElement(), PsiDocComment.class) != null) {
if (o instanceof PsiClass) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
}
if (c == '(' && PsiKeyword.RETURN.equals(item.getLookupString())) {
return Result.HIDE_LOOKUP;
}
return null;
}