Android Open Source - FragmentListView Featured Adapter

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License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2014-present findemor.es/*  ww w .jav  a  2 s . c  om*/
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.devergence.example.fraglistview.adapters;

import java.util.ArrayList;
import java.util.List;

import com.devergence.example.fraglistview.R;
import com.devergence.example.fraglistview.fragments.FragmentFeatured;
import com.devergence.example.fraglistview.objects.CommentItem;
import com.devergence.example.fraglistview.objects.FeaturedItem;
import com.devergence.widget.fraglistview.adapter.BaseAdapter;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;

/**
 * Este adaptador maneja una lista donde hay un elemento destacado (implementado con un fragmento totalmente funcional)
 * extendiendo el BaseAdapter
 * 
 * En este caso concreto solo tenemos un tipo de layout para los elementos de la lista (TYPE_LEFT_ITEM), si tuvieramos
 * m?s (por ejemplo, elementos distintos para los mensajes propios y ajenos en un chat) bastaria con a?adir (TYPE_XXX_ITEM = 2...)
 * e incrementar el contador en el constructor super de la clase base
 * 
 * @author findemor
 *
 */
public class FeaturedAdapter extends BaseAdapter {
  
    private static final int TYPE_LEFT_ITEM = 1;
    private FragmentActivity mActivity;

  public FeaturedAdapter(FragmentActivity activity, int resource, Object featuredItem, List<CommentItem> items) {
    super(activity, resource, featuredItem, new ArrayList<Object>(items), 1); //solo hay un tipo de elemento en este caso
    mActivity = activity;
  }

  /**
   * Prepara la vista de cada elemento a partir de los parametros
   */
  @Override
  public View getViewItem(Object item, int itemType, LayoutInflater inflater,  View convertView) {

    CommentItem o = (CommentItem) item;
    
    switch(itemType)
    {
      case TYPE_LEFT_ITEM:
      convertView = inflater.inflate(R.layout.item_left, null);
      break;
    }
    
    TextView lbAuthor = (TextView) convertView.findViewById(R.id.tv_author);
    TextView lbBody = (TextView) convertView.findViewById(R.id.tv_body);
    
    lbAuthor.setText(o.getAuthor());
    lbBody.setText(o.getBody());
    
    return convertView;
  }


  /**
   * Para una posicion dada, determina que tipo de vista es (en este ejemplo solo hay una)
   */
  @Override
  public int getItemType(int position) {
    return TYPE_LEFT_ITEM;
  }

  /**
   * Implementa el fragmento que va a controlar el elemento destacado
   */
  @Override
  public Fragment getFeaturedFragment(Object item) {
    return new FragmentFeatured((FeaturedItem)item);
  }

  /**
   * Devuelve la actividad que va a implementar la interfaz de comunicaciones con el fragmento
   */
  @Override
  public FragmentActivity getFragmentParentFragmentActivity() {
    return mActivity;
  }


}

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