public void bind(VH holder, int pos) {
if (pos == _opened)
ExpandableIdeaUtil.openViewHolder(
holder, holder.getBottomView(), holder.getTopView(), false);
else
ExpandableIdeaUtil.closeViewHolder(
holder, holder.getBottomView(), holder.getTopView(), false);
}
@SuppressWarnings("unchecked")
public void toggle(VH holder) {
if (_opened == holder.getPosition()) {
_opened = -1;
ExpandableIdeaUtil.closeViewHolder(
holder, holder.getBottomView(), holder.getTopView(), true);
} else {
int previous = _opened;
_opened = holder.getPosition();
ExpandableIdeaUtil.openViewHolder(
holder, holder.getBottomView(), holder.getTopView(), true);
final VH oldHolder =
(VH) ((RecyclerView) holder.itemView.getParent()).findViewHolderForPosition(previous);
if (oldHolder != null)
ExpandableIdeaUtil.closeViewHolder(
oldHolder, oldHolder.getBottomView(), oldHolder.getTopView(), true);
}
}