/**
* For the current index: Checks whether the index represents a node which
* should exist given a non-interactive repeat, along with a count for that
* repeat which is beneath the dynamic level specified.
*
* If this index does represent such a node, the new model for the repeat is
* created behind the scenes and the index for the initial question is
* returned.
*
* Note: This method will not prevent the addition of new repeat elements in
* the interface, it will merely use the xforms repeat hint to create new
* nodes that are assumed to exist
*
* @param The index to be evaluated as to whether the underlying model is
* hinted to exist
*/
private void createModelIfNecessary(FormIndex index)
{
if (index.isInForm())
{
IFormElement e = getForm().getChild(index);
if (e is GroupDef)
{
GroupDef g = (GroupDef)e;
if (g.Repeat && g.CountReference != null)
{
IAnswerData count = getForm().Instance.getDataValue(g.CountReference);
if (count != null)
{
long fullcount = ((int)count.Value);
TreeReference ref_ = getForm().getChildInstanceRef(index);
TreeElement element = getForm().Instance.resolveReference(ref_);
if (element == null)
{
if (index.getInstanceIndex() < fullcount)
{
try
{
getForm().createNewRepeat(index);
}
catch (InvalidReferenceException ire)
{
Console.WriteLine(ire.StackTrace);
throw new SystemException("Invalid Reference while creting new repeat!" + ire.Message);
}
}
}
}
}
}
}
}