public void addNext(InputElement input) {
if (parentElement != null) {
int index = parentElement.childElements.indexOf(this);
parentElement.childElements.add(index + 1, input);
InputElement next = nextElement;
nextElement = input;
input.nextElement = next;
}
input.parentElement = this.parentElement;
}
public void addChild(InputElement input) {
if (childElements == null) {
childElements = new ArrayList<InputElement>(1);
} else if (childElements.size() > 0) {
InputElement last = childElements.get(childElements.size() - 1);
last.nextElement = input;
}
childElements.add(input);
input.parentElement = this;
}