Android Open Source - campus Search Result View Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

package lecho.app.campus.adapter;
/*from www  .j a v  a  2s .  c  o m*/
import java.util.List;

import lecho.app.campus.R;
import lecho.app.campus.dao.Place;
import lecho.app.campus.utils.Config;
import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class SearchResultViewAdapter extends PagerAdapter {
  private static final String TAG = "SearchResultViewAdapter";

  private Context mContext;
  private OnSearchResultClickListener mListener;
  List<Place> mPlaces;

  public SearchResultViewAdapter(Context context, OnSearchResultClickListener listener, List<Place> places) {
    mContext = context;
    mListener = listener;
    mPlaces = places;
  }

  @Override
  public int getCount() {
    return mPlaces.size();
  }

  @Override
  public boolean isViewFromObject(View view, Object object) {
    return view == object;
  }

  @Override
  public void destroyItem(ViewGroup container, int position, Object view) {
    if(Config.DEBUG){
      Log.d(TAG, "Remove search result view");
    }
    container.removeView((View) view);
  }

  @Override
  public Object instantiateItem(ViewGroup container, int position) {
    if(Config.DEBUG){
      Log.d(TAG, "Creating search result view");
    }
    Place place = mPlaces.get(position);

    View view = View.inflate(mContext, R.layout.fragment_search_result, null);
    TextView tvSymbol = (TextView) view.findViewById(R.id.symbol);
    tvSymbol.setText(place.getSymbol());
    TextView tvDescription = (TextView) view.findViewById(R.id.description);
    TextView tvName = (TextView) view.findViewById(R.id.name);
    final String description = place.getDescription();
    final String name = place.getName();
    if (TextUtils.isEmpty(description)) {
      tvName.setSingleLine(false);
      tvName.setMaxLines(2);
      tvName.setText(name);
      tvDescription.setVisibility(View.GONE);
    } else {
      tvName.setSingleLine(true);
      tvName.setMaxLines(1);
      tvName.setText(name);
      tvDescription.setVisibility(View.VISIBLE);
      tvDescription.setText(description);
    }
    view.setOnClickListener(new OnSearchResultViewClickListener(place.getId(), mListener));
    container.addView(view);
    return view;

  }

  public Long getItemId(int position) {
    return mPlaces.get(position).getId();
  }

  @Override
  public int getItemPosition(Object object) {
    if (null == object) {
      return -1;
    }
    // Sort and binary search for smaller list take longer then iteration.
    Place dest = (Place) object;
    int position = 0;
    for (Place place : mPlaces) {
      if (place.getId().equals(dest.getId())) {
        return position;
      }
      ++position;
    }
    throw new IllegalArgumentException("Could not find given object in SearchResultFragmentAdapter");
  }

  private static class OnSearchResultViewClickListener implements View.OnClickListener {
    private OnSearchResultClickListener mListener;
    private Long mPlaceId;

    public OnSearchResultViewClickListener(Long placeId, OnSearchResultClickListener listener) {
      mPlaceId = placeId;
      mListener = listener;
    }

    @Override
    public void onClick(View v) {
      mListener.onSearchResultClick(mPlaceId);
    }

  }
  
  public interface OnSearchResultClickListener {
    /**
     * Should show place details view.
     * 
     * @param placeId
     */
    public void onSearchResultClick(Long placeId);
  }

}

Java Source Code List

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