@Override
public boolean hasChanged(Field field) {
final Map<Integer, Field> savedFields = new HashMap<Integer, Field>();
if (field != null)
for (Field subfield : field.getFields()) savedFields.put(subfield.getId(), subfield);
for (StructureHolder holder : oneToMany.getSelected()) {
// Field has never been saved, if there are changes, let's save.
if (holder.getField() == null || holder.getField().getId() == 0) {
if (holder.hasChanged()) {
Debug.println("NEW: {0} says it has changed", holder.getStructure().getClass().getName());
return true;
} else return false;
} else {
// We are working with previously saved data that could have changed.
Field dataField = savedFields.remove(holder.getField().getId());
if (dataField == null) { // How??
Debug.println("OneToMany hasChanged badness, save to clean up.");
return true;
}
if (holder.getStructure().hasChanged(dataField)) {
Debug.println("OLD: {0} says it has changed", holder.getStructure().getClass().getName());
return true;
}
}
}
return !savedFields.isEmpty();
}
@Override
public void save(Field parent, Field field) {
if (field == null) {
field = new Field();
field.setName(getId());
if (parent != null) {
field.setParent(parent);
parent.getFields().add(field);
}
}
final List<StructureHolder> unsaved = new ArrayList<StructureHolder>();
final List<Integer> saved = new ArrayList<Integer>();
saved.add(0);
for (StructureHolder cur : oneToMany.getSelected()) {
if (cur.getField() == null) unsaved.add(cur);
else {
cur.getStructure().save(field, cur.getField());
saved.add(cur.getField().getId());
}
}
for (StructureHolder cur : unsaved) {
Field subfield = new Field(field.getName() + "Subfield", null);
subfield.setParent(field);
cur.getStructure().save(field, subfield);
field.getFields().add(subfield);
cur.setField(subfield);
}
final HashSet<Field> savedSet = new HashSet<Field>();
for (Field subfield : field.getFields())
if (saved.contains(subfield.getId())) savedSet.add(subfield);
field.setFields(savedSet);
}