RecyclerViewAdapterWrapper.java

package org.maepaysoh.maepaysoh.adapters;

import android.support.v7.widget.RecyclerView;
import android.view.ViewGroup;

import static android.support.v7.widget.RecyclerView.Adapter;
import static android.support.v7.widget.RecyclerView.AdapterDataObserver;
import static android.support.v7.widget.RecyclerView.ViewHolder;

/**
 * @author rockerhieu on 7/6/15.
 */
public class RecyclerViewAdapterWrapper extends Adapter {

  private final Adapter wrapped;

  public RecyclerViewAdapterWrapper(Adapter wrapped) {
    super();
    this.wrapped = wrapped;
    this.wrapped.registerAdapterDataObserver(new AdapterDataObserver() {
      public void onChanged() {
        notifyDataSetChanged();
      }

      public void onItemRangeChanged(int positionStart, int itemCount) {
        notifyItemRangeChanged(positionStart, itemCount);
      }

      public void onItemRangeInserted(int positionStart, int itemCount) {
        notifyItemRangeInserted(positionStart, itemCount);
      }

      public void onItemRangeRemoved(int positionStart, int itemCount) {
        notifyItemRangeRemoved(positionStart, itemCount);
      }

      public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) {
        notifyItemMoved(fromPosition, toPosition);
      }
    });
  }

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

  @Override public void onBindViewHolder(ViewHolder holder, int position) {
    wrapped.onBindViewHolder(holder, position);
  }

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

  @Override public int getItemViewType(int position) {
    return wrapped.getItemViewType(position);
  }

  @Override public void setHasStableIds(boolean hasStableIds) {
    wrapped.setHasStableIds(hasStableIds);
  }

  @Override public long getItemId(int position) {
    return wrapped.getItemId(position);
  }

  @Override public void onViewRecycled(ViewHolder holder) {
    wrapped.onViewRecycled(holder);
  }

  @Override public boolean onFailedToRecycleView(ViewHolder holder) {
    return wrapped.onFailedToRecycleView(holder);
  }

  @Override public void onViewAttachedToWindow(ViewHolder holder) {
    wrapped.onViewAttachedToWindow(holder);
  }

  @Override public void onViewDetachedFromWindow(ViewHolder holder) {
    wrapped.onViewDetachedFromWindow(holder);
  }

  @Override public void registerAdapterDataObserver(AdapterDataObserver observer) {
    wrapped.registerAdapterDataObserver(observer);
  }

  @Override public void unregisterAdapterDataObserver(AdapterDataObserver observer) {
    wrapped.unregisterAdapterDataObserver(observer);
  }

  @Override public void onAttachedToRecyclerView(RecyclerView recyclerView) {
    wrapped.onAttachedToRecyclerView(recyclerView);
  }

  @Override public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
    wrapped.onDetachedFromRecyclerView(recyclerView);
  }

  public RecyclerView.Adapter getWrappedAdapter() {
    return wrapped;
  }
}