private static Template generateTemplate(
Project project, String exprText, final PsiType[] suggestedTypes) {
final TemplateManager templateManager = TemplateManager.getInstance(project);
final Template template = templateManager.createTemplate("", "");
template.setToReformat(true);
Set<LookupElement> itemSet = new LinkedHashSet<>();
for (PsiType type : suggestedTypes) {
itemSet.add(PsiTypeLookupItem.createLookupItem(type, null));
}
final LookupElement[] lookupItems = itemSet.toArray(new LookupElement[itemSet.size()]);
final Result result =
suggestedTypes.length > 0 ? new PsiTypeResult(suggestedTypes[0], project) : null;
Expression expr =
new Expression() {
@Override
public LookupElement[] calculateLookupItems(ExpressionContext context) {
return lookupItems.length > 1 ? lookupItems : null;
}
@Override
public Result calculateResult(ExpressionContext context) {
return result;
}
@Override
public Result calculateQuickResult(ExpressionContext context) {
return null;
}
};
template.addTextSegment("((");
template.addVariable(TYPE_TEMPLATE_VARIABLE, expr, expr, true);
template.addTextSegment(")" + exprText + ")");
template.addEndVariable();
return template;
}
