MusicListAdapter.java :  » Mp3 » needletagger » org » softwaregeeks » needletagger » Android Open Source

package org.softwaregeeks.needletagger;

import java.util.ArrayList;

import org.softwaregeeks.needletagger.common.Music;

import android.content.Context;
import android.graphics.Typeface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class MusicListAdapter extends BaseAdapter
{
  Typeface typeface;
  ArrayList<Music> list;
  LayoutInflater inflater;
  Context context;
  int layout;
  
  public MusicListAdapter(Context context, int layout, ArrayList<Music> items)
  {
    this.context = context;
    this.inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    this.list = items;
    this.layout = layout;
  }
  
  @Override
    public int getCount() {
      return list.size();
    }

  @Override
    public Object getItem(int position) {
      return list.get(position).getId();
    }

  @Override
    public long getItemId(int position) {
      return position;
    }
  
  static class ViewHolder {
    ImageView nowPlayImageView;
    TextView trackTextView;
    TextView artistTextView;
  }
  
    @Override
  public View getView(int position, View convertView, ViewGroup parent) {
      
      View v = convertView;
      ViewHolder holder;
      
      if(convertView == null)
      {
        holder = new ViewHolder();
        v = inflater.inflate(layout, parent, false);
        holder.nowPlayImageView = (ImageView) v.findViewById(R.id.nowplay);
        holder.trackTextView = (TextView) v.findViewById(R.id.track);
        holder.artistTextView = (TextView) v.findViewById(R.id.artist);
        v.setTag(holder);
      }
      else
      {
            holder = (ViewHolder)v.getTag();
      }
      
      Music music = list.get(position);
      holder.trackTextView.setText(music.getTrack());
      holder.artistTextView.setText(music.getArtist());
      
      if(music.isPlaying())
        holder.nowPlayImageView.setVisibility(View.VISIBLE);
      else
        holder.nowPlayImageView.setVisibility(View.GONE);
      
      if (position % 2 != 0)
      v.setBackgroundResource(R.drawable.bg_none);
    else
      v.setBackgroundResource(R.drawable.bg_selected);
      
    return v;
  }
  
}