// Returns null if standalone closing brace is not found
private static BraceStatus checkForMovableClosingBrace(
@NotNull Editor editor, @NotNull PsiFile file, @NotNull MoveInfo info, boolean down) {
PsiElement closingBrace = getStandaloneClosingBrace(file, editor);
if (closingBrace == null) return BraceStatus.NOT_FOUND;
PsiElement blockLikeElement = closingBrace.getParent();
if (!(blockLikeElement instanceof JetBlockExpression)) return BraceStatus.NOT_MOVABLE;
PsiElement blockParent = blockLikeElement.getParent();
if (blockParent instanceof JetWhenEntry) return BraceStatus.NOT_FOUND;
if (PsiTreeUtil.instanceOf(blockParent, FUNCTIONLIKE_ELEMENT_CLASSES))
return BraceStatus.NOT_FOUND;
PsiElement enclosingExpression =
PsiTreeUtil.getParentOfType(blockLikeElement, JetExpression.class);
if (enclosingExpression instanceof JetDoWhileExpression) return BraceStatus.NOT_MOVABLE;
if (enclosingExpression instanceof JetIfExpression) {
JetIfExpression ifExpression = (JetIfExpression) enclosingExpression;
if (blockLikeElement == ifExpression.getThen() && ifExpression.getElse() != null)
return BraceStatus.NOT_MOVABLE;
}
return down
? checkForMovableDownClosingBrace(closingBrace, blockLikeElement, editor, info)
: checkForMovableUpClosingBrace(closingBrace, blockLikeElement, editor, info);
}
@Nullable
public static <T extends PsiElement> T getDirectParentOfTypeForBlock(
@NotNull JetBlockExpression block, @NotNull Class<T> aClass) {
T parent = PsiTreeUtil.getParentOfType(block, aClass);
if (parent instanceof JetIfExpression) {
JetIfExpression ifExpression = (JetIfExpression) parent;
if (ifExpression.getElse() == block || ifExpression.getThen() == block) {
return parent;
}
}
if (parent instanceof JetWhenExpression) {
JetWhenExpression whenExpression = (JetWhenExpression) parent;
for (JetWhenEntry whenEntry : whenExpression.getEntries()) {
if (whenEntry.getExpression() == block) {
return parent;
}
}
}
if (parent instanceof JetFunctionLiteral) {
JetFunctionLiteral functionLiteral = (JetFunctionLiteral) parent;
if (functionLiteral.getBodyExpression() == block) {
return parent;
}
}
if (parent instanceof JetTryExpression) {
JetTryExpression tryExpression = (JetTryExpression) parent;
if (tryExpression.getTryBlock() == block) {
return parent;
}
for (JetCatchClause clause : tryExpression.getCatchClauses()) {
if (clause.getCatchBody() == block) {
return parent;
}
}
}
return null;
}