@Nullable
public static JetChangeSignatureDialog createDialog(
@NotNull PsiElement element, PsiElement context, Project project, Editor editor) {
if (!CommonRefactoringUtil.checkReadOnlyStatus(project, element)) return null;
BindingContext bindingContext =
AnalyzerFacadeWithCache.analyzeFileWithCache((JetFile) element.getContainingFile())
.getBindingContext();
DeclarationDescriptor descriptor =
bindingContext.get(BindingContext.DECLARATION_TO_DESCRIPTOR, element);
if (descriptor instanceof ClassDescriptor) {
descriptor = ((ClassDescriptor) descriptor).getUnsubstitutedPrimaryConstructor();
}
if (descriptor instanceof FunctionDescriptorImpl) {
for (ValueParameterDescriptor parameter :
((FunctionDescriptor) descriptor).getValueParameters()) {
if (parameter.getVarargElementType() != null) {
String message = JetRefactoringBundle.message("error.cant.refactor.vararg.functions");
CommonRefactoringUtil.showErrorHint(
project, editor, message, REFACTORING_NAME, HelpID.CHANGE_SIGNATURE);
return null;
}
}
return new JetChangeSignatureDialog(
project,
new JetFunctionPlatformDescriptorImpl((FunctionDescriptor) descriptor, element),
context);
} else {
String message =
RefactoringBundle.getCannotRefactorMessage(
JetRefactoringBundle.message(
"error.wrong.caret.position.function.or.constructor.name"));
CommonRefactoringUtil.showErrorHint(
project, editor, message, REFACTORING_NAME, HelpID.CHANGE_SIGNATURE);
return null;
}
}
@Nullable
@Override
public String getTargetNotFoundMessage() {
return JetRefactoringBundle.message("error.wrong.caret.position.function.or.constructor.name");
}