parseID static method
Parses ref
to an ID. Returns def
if parse fails.
Implementation
static int? parseID(dynamic ref, [int? def]) {
if (ref == null) return def;
if (ref is int) return ref;
if (ref is double) return ref.toInt();
if (ref is ETEntityReference) return ref.id;
var s = ref.toString();
var idx = s.indexOf('#');
if (idx > 0) {
var idStr = s.substring(idx + 1);
return parseInt(idStr, def);
} else {
return parseInt(s, def);
}
}