private TooltipData generateTooltipData(FormulaFunction function, int currentArgIndex) {
TooltipData td = new TooltipData();
StringBuilder sb = new StringBuilder();
sb.append(function.getName() + "(");
int nbArgs = function.getArgumentNames().size();
int from = 0, to = 0;
for (int i = 0; i < nbArgs; i++) {
if (i == currentArgIndex) {
from = sb.length();
}
sb.append("<");
sb.append(function.getArgumentTypes().get(i).getSimpleName());
sb.append(">");
sb.append(function.getArgumentNames().get(i));
if (i == currentArgIndex) {
to = sb.length();
}
if (i < nbArgs - 1) sb.append(", ");
}
if (function.isVarArgs()) {
if (currentArgIndex >= nbArgs) {
from = sb.length();
to = from + 4;
}
sb.append(",...");
}
sb.append(")");
td.styles = new ProposalStyle[1];
td.styles[0] = ProposalStyle.getDefault(from, to);
td.value = sb.toString();
return td;
}
private String generateSignature(FormulaFunction function) {
StringBuffer sb = new StringBuffer();
if (function.getReturnType() != null) {
sb.append("<");
sb.append(function.getReturnType().getSimpleName());
sb.append("> ");
}
sb.append(function.getName() + "(");
int nbArgs = function.getArgumentNames().size();
for (int i = 0; i < nbArgs; i++) {
sb.append("<");
sb.append(function.getArgumentTypes().get(i).getSimpleName());
sb.append(">");
sb.append(function.getArgumentNames().get(i));
if (i < nbArgs - 1) sb.append(", ");
}
if (function.isVarArgs()) sb.append(",...");
sb.append(")");
return sb.toString();
}
