private boolean shouldFetch(int childIndex) {
return childIndex >= this.getSize() && childIndex < children.count();
}
public void displayChildren(Children children) {
this.children = children;
set(children.getChildrenAndImages());
selectChild();
}
public void addChild() {
int childIndex = childIndexToBeFetched();
if (shouldFetch(childIndex)) {
insert(childIndex, children.getImagePairAt(childIndex));
}
}