private void renderParameters(
Element parent, SignatureInfo signatureInfo, Optional<Integer> activeParameter) {
int end = signatureInfo.getLabel().length();
int idx;
Element element;
for (int i = signatureInfo.getParameters().get().size() - 1; i >= 0; i--) {
ParameterInfo parameterInfo = signatureInfo.getParameters().get().get(i);
idx = signatureInfo.getLabel().lastIndexOf(parameterInfo.getLabel(), end);
int signatureLabelOffset = 0;
int signatureLabelEnd = 0;
if (idx >= 0) {
signatureLabelOffset = idx;
signatureLabelEnd = idx + parameterInfo.getLabel().length();
}
element = Elements.createSpanElement();
element.setTextContent(signatureInfo.getLabel().substring(signatureLabelEnd, end));
parent.insertBefore(element, parent.getFirstElementChild());
element = Elements.createSpanElement(resources.css().parameter());
if (activeParameter.isPresent() && i == activeParameter.get()) {
Elements.addClassName(resources.css().active(), element);
}
element.setTextContent(
signatureInfo.getLabel().substring(signatureLabelOffset, signatureLabelEnd));
parent.insertBefore(element, parent.getFirstElementChild());
end = signatureLabelOffset;
}
element = Elements.createSpanElement();
element.setTextContent(signatureInfo.getLabel().substring(0, end));
parent.insertBefore(element, parent.getFirstElementChild());
}
private Element renderSignature(
Element signatures, SignatureInfo signatureInfo, Optional<Integer> activeParameter) {
Element signatureElement = Elements.createDivElement();
signatures.appendChild(signatureElement);
Element code = Elements.createDivElement();
signatureElement.appendChild(code);
boolean hasParameters =
signatureInfo.getParameters().isPresent() && !signatureInfo.getParameters().get().isEmpty();
if (hasParameters) {
renderParameters(code, signatureInfo, activeParameter);
} else {
Node label = code.appendChild(Elements.createSpanElement());
label.setTextContent(signatureInfo.getLabel());
}
return signatureElement;
}