public IFormElement getChild(FormIndex index) {
IFormElement element = this;
while (index != null && index.isInForm()) {
element = element.getChild(index.getLocalIndex());
index = index.getNextLevel();
}
return element;
}
public void collapseIndex(
FormIndex index, Vector indexes, Vector multiplicities, Vector elements) {
if (!index.isInForm()) {
return;
}
IFormElement element = this;
while (index != null) {
int i = index.getLocalIndex();
element = element.getChild(i);
indexes.addElement(new Integer(i));
multiplicities.addElement(
new Integer(index.getInstanceIndex() == -1 ? 0 : index.getInstanceIndex()));
elements.addElement(element);
index = index.getNextLevel();
}
}
public int getNumRepetitions(FormIndex index) {
Vector indexes = new Vector();
Vector multiplicities = new Vector();
Vector elements = new Vector();
if (!index.isInForm()) {
throw new RuntimeException("not an in-form index");
}
collapseIndex(index, indexes, multiplicities, elements);
if (!(elements.lastElement() instanceof GroupDef)
|| !((GroupDef) elements.lastElement()).getRepeat()) {
throw new RuntimeException("current element not a repeat");
}
// so painful
TreeElement templNode = instance.getTemplate(index.getReference());
TreeReference parentPath = templNode.getParent().getRef().genericize();
TreeElement parentNode =
instance.resolveReference(parentPath.contextualize(index.getReference()));
return parentNode.getChildMultiplicity(templNode.getName());
}
