@Override
public void onHideChildren(ItemData itemData) {
int position = getCurrentPosition(itemData.getUuid());
List<ItemData> children = itemData.getChildren();
if (children == null) {
return;
}
removeAll(position + 1, getChildrenCount(itemData) - 1);
if (onScrollToListener != null) {
onScrollToListener.scrollTo(position);
}
itemData.setChildren(null);
}
@Override
public void onExpandChildren(ItemData itemData) {
int position = getCurrentPosition(itemData.getUuid());
List<ItemData> children = getChildrenByPath(itemData.getPath(), itemData.getTreeDepth());
if (children == null) {
return;
}
addAll(children, position + 1); // 插入到点击点的下方
itemData.setChildren(children);
if (onScrollToListener != null) {
onScrollToListener.scrollTo(position + 1);
}
}