package is.uncommon.playbook.sortedlist.part1;

import android.support.v7.util.SortedList;
import android.view.ViewGroup;

public class SortedListAdapter extends IntegerListAdapter {
  private SortedList<Integer> sortedList =
      new SortedList<>(Integer.class, new SortedList.Callback<Integer>() {
        @Override public int compare(Integer item1, Integer item2) {
          return item1.compareTo(item2);
        }

        @Override public void onChanged(int position, int count) {
          SortedListAdapter.this.notifyItemRangeChanged(position, count);
        }

        @Override public boolean areContentsTheSame(Integer oldItem, Integer newItem) {
          return oldItem.equals(newItem);
        }

        @Override public boolean areItemsTheSame(Integer item1, Integer item2) {
          return item1.intValue() == item2.intValue();
        }

        @Override public void onInserted(int position, int count) {
          SortedListAdapter.this.notifyItemRangeInserted(position, count);
        }

        @Override public void onRemoved(int position, int count) {
          SortedListAdapter.this.notifyItemRangeRemoved(position, count);
        }

        @Override public void onMoved(int fromPosition, int toPosition) {
          SortedListAdapter.this.notifyItemMoved(fromPosition, toPosition);
        }
      });

  @Override protected void addInteger(Integer integer) {
    sortedList.add(integer);
  }

  @Override protected void removeInteger(Integer integer) {
    sortedList.remove(integer);
  }

  @Override public IntegerListItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    return IntegerListItemViewHolder.create(parent);
  }

  @Override public void onBindViewHolder(IntegerListItemViewHolder holder, int position) {
    holder.bindTo(sortedList.get(position));
  }

  @Override public int getItemCount() {
    return sortedList.size();
  }
}