public void createNewRepeat(FormIndex index) throws InvalidReferenceException {
TreeReference destRef = getChildInstanceRef(index);
TreeElement template = instance.getTemplate(destRef);
instance.copyNode(template, destRef);
preloadInstance(instance.resolveReference(destRef));
triggerTriggerables(destRef); // trigger conditions that depend on the creation of this new node
initializeTriggerables(destRef); // initialize conditions for the node (and sub-nodes)
}
/**
* meant to be called after deserialization and initialization of handlers
*
* @param newInstance true if the form is to be used for a new entry interaction, false if it is
* using an existing IDataModel
*/
public void initialize(boolean newInstance) {
if (newInstance) { // only preload new forms (we may have to revisit
// this)
preloadInstance(instance.getRoot());
}
if (getLocalizer() != null && getLocalizer().getLocale() == null) {
getLocalizer().setToDefault();
}
initializeTriggerables();
}
public void initializeTriggerables() {
initializeTriggerables(TreeReference.rootRef());
}
public void copyItemsetAnswer(QuestionDef q, TreeElement targetNode, IAnswerData data)
throws InvalidReferenceException {
ItemsetBinding itemset = q.getDynamicChoices();
TreeReference targetRef = targetNode.getRef();
TreeReference destRef = itemset.getDestRef().contextualize(targetRef);
Vector<Selection> selections = null;
Vector<String> selectedValues = new Vector<String>();
if (data instanceof SelectMultiData) {
selections = (Vector<Selection>) data.getValue();
} else if (data instanceof SelectOneData) {
selections = new Vector<Selection>();
selections.addElement((Selection) data.getValue());
}
if (itemset.valueRef != null) {
for (int i = 0; i < selections.size(); i++) {
selectedValues.addElement(selections.elementAt(i).choice.getValue());
}
}
// delete existing dest nodes that are not in the answer selection
Hashtable<String, TreeElement> existingValues = new Hashtable<String, TreeElement>();
Vector<TreeReference> existingNodes = getInstance().expandReference(destRef);
for (int i = 0; i < existingNodes.size(); i++) {
TreeElement node = getInstance().resolveReference(existingNodes.elementAt(i));
if (itemset.valueRef != null) {
String value =
itemset
.getRelativeValue()
.evalReadable(
this.getInstance(), new EvaluationContext(exprEvalContext, node.getRef()));
if (selectedValues.contains(value)) {
existingValues.put(value, node); // cache node if in selection and already exists
}
}
// delete from target
targetNode.removeChild(node);
}
// copy in nodes for new answer; preserve ordering in answer
for (int i = 0; i < selections.size(); i++) {
Selection s = selections.elementAt(i);
SelectChoice ch = s.choice;
TreeElement cachedNode = null;
if (itemset.valueRef != null) {
String value = ch.getValue();
if (existingValues.containsKey(value)) {
cachedNode = existingValues.get(value);
}
}
if (cachedNode != null) {
cachedNode.setMult(i);
targetNode.addChild(cachedNode);
} else {
getInstance().copyItemsetNode(ch.copyNode, destRef, this);
}
}
triggerTriggerables(
destRef); // trigger conditions that depend on the creation of these new nodes
initializeTriggerables(destRef); // initialize conditions for the node (and sub-nodes)
// not 100% sure this will work since destRef is ambiguous as the last step, but i think it's
// supposed to work
}