@Override
public void updateUI(DartFunctionDescription p, ParameterInfoUIContext context) {
if (p == null) {
context.setUIComponentEnabled(false);
return;
}
myParametersListPresentableText = p.getParametersListPresentableText();
context.setupUIComponentPresentation(
myParametersListPresentableText,
p.getParameterRange(context.getCurrentParameterIndex()).getStartOffset(),
p.getParameterRange(context.getCurrentParameterIndex()).getEndOffset(),
!context.isUIComponentEnabled(),
false,
false,
context.getDefaultParameterColor());
}
@Override
public void showParameterInfo(@NotNull PsiElement element, CreateParameterInfoContext context) {
DartFunctionDescription functionDescription = null;
if (element instanceof DartCallExpression) {
functionDescription = DartFunctionDescription.tryGetDescription((DartCallExpression) element);
} else if (element instanceof DartNewExpression) {
final DartNewExpression newExpression = (DartNewExpression) element;
final DartType type = newExpression.getType();
final DartClassResolveResult classResolveResult = DartResolveUtil.resolveClassByType(type);
PsiElement psiElement = ((DartNewExpression) element).getReferenceExpression();
psiElement = psiElement == null && type != null ? type.getReferenceExpression() : psiElement;
final PsiElement target = psiElement != null ? ((DartReference) psiElement).resolve() : null;
if (target instanceof DartComponentName) {
functionDescription =
DartFunctionDescription.createDescription(
(DartComponent) target.getParent(), classResolveResult);
}
}
if (functionDescription != null && functionDescription.getParameters().length > 0) {
context.setItemsToShow(new Object[] {functionDescription});
context.showHint(element, element.getTextRange().getStartOffset(), this);
}
}
@Override
public Object[] getParametersForDocumentation(
DartFunctionDescription p, ParameterInfoContext context) {
return p.getParameters();
}