content: /*
  Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  
  Permission is hereby granted, free of charge, to any person obtaining a copy of this
  software and associated documentation files (the "Software"), to deal in the Software
  without restriction, including without limitation the rights to use, copy, modify,
  merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  package com.amazonaws.mobile.samples.mynotes.ui;
  
  import android.arch.paging.PagedListAdapter;
  import android.support.annotation.NonNull;
  import android.support.v7.util.DiffUtil;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  
  import com.amazonaws.mobile.samples.mynotes.R;
  import com.amazonaws.mobile.samples.mynotes.models.Note;
  import com.amazonaws.mobile.samples.mynotes.models.OnClickCallback;
  
  public class NoteListAdapter extends PagedListAdapter<Note, NoteListViewHolder> {
      private static DiffUtil.ItemCallback<Note> DIFF_CALLBACK = new DiffUtil.ItemCallback<Note>() {
          @Override
          public boolean areItemsTheSame(Note oldItem, Note newItem) {
              return oldItem.getNoteId().equals(newItem.getNoteId());
          }
  
          @Override
          public boolean areContentsTheSame(Note oldItem, Note newItem) {
              return oldItem.getNoteId().equals(newItem.getNoteId()) &&
                      oldItem.getTitle().equals(newItem.getTitle()) &&
                      oldItem.getContent().equals(newItem.getContent());
          }
      };
  
      private OnClickCallback callback;
  
      public NoteListAdapter(OnClickCallback callback) {
          super(DIFF_CALLBACK);
          this.callback = callback;
      }
  
      @NonNull
      @Override
      public NoteListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
          LayoutInflater layoutInflater = LayoutInflater.from(parent.getContext());
          View view = layoutInflater.inflate(R.layout.note_list_content, parent, false);
          return new NoteListViewHolder(view);
      }
  
      @Override
      public void onBindViewHolder(@NonNull final NoteListViewHolder holder, int position) {
          holder.setNote(getItem(position));
          holder.itemView.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                  callback.onClick(holder.getNote());
              }
          });
      }
  }
  