/**
* Sets the ListEditor's backing data.
*
* <p>If a null is passed in, the ListEditor will have no backing list and edits cannot be made.
*
* @param value a List of data objects of type T
*/
public void setValue(List<T> value) {
if (list == null && value == null) {
// fast exit
return;
}
if (list != null && list.isSameValue(value)) {
// setting the same value as the one being edited
list.refresh();
return;
}
if (list != null) {
// Having entire value reset, so dump the wrapper gracefully
list.detach();
}
if (value == null) {
list = null;
} else {
list = new ListEditorWrapper<T, E>(value, chain, editorSource);
list.attach();
}
}
/**
* Returns an unmodifiable, live view of the Editors managed by the ListEditor.
*
* <p>The returned list will be live until the next call to {@link #setValue(List)} and shouldn't
* be used after that. Editors might (or might not) be reused after a call to {@link
* #setValue(List)}.
*
* <p>If there is no backing list, an empty list will be returned.
*
* @return a List of {@link Editor Editors} of type E
*/
public List<E> getEditors() {
if (list == null) {
return Collections.emptyList();
}
return Collections.unmodifiableList(list.getEditors());
}
public void flush() {
if (list != null) {
list.flush();
}
}
public String getPathElement(E subEditor) {
return "[" + list.getEditors().indexOf(subEditor) + "]";
}