Android Open Source - android-whereami List Item Location Adapter

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License

The source code is released under:
GNU General Public License
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Java Source Code

package de.uvwxy.whereami;
//from ww w.ja v a2  s  .  c  o m
import java.util.ArrayList;
import java.util.List;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import de.uvwxy.helper.IntentTools;
import de.uvwxy.helper.IntentTools.ReturnStringCallback;
import de.uvwxy.soundfinder.SoundFinder;
import de.uvwxy.units.Unit;
import de.uvwxy.whereami.db_location.Location;

public class ListItemLocationAdapter extends ArrayAdapter<Location> {
  private LayoutInflater inflater;
  private ArrayList<Location> locationList;

  private Context ctx;
  private ActivityMain dhis; 
  
  public ListItemLocationAdapter(Context context, List<Location> list) {
    super(context, R.layout.list_item_location, list);
    this.dhis = ActivityMain.dhis;
    this.ctx = context;
    this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    this.locationList = (ArrayList<Location>) list;
  }

  private void handleMenuItem(final int position, String s) {
    if (s == null) {
      return;
    }

    final Location loc = locationList.get(position);

    if (loc == null) {
      return;
    }

    if (s.equals(ctx.getString(R.string.MENU_FAVORITE))) {
      dhis.mData.toggleFavorite(locationList.get(position));
      dhis.updateLists();

    } else if (s.equals(ctx.getString(R.string.MENU_SHARE))) {
      ActionShare.share(ActivityMain.act, loc);

    } else if (s.equals(ctx.getString(R.string.MENU_SHOW_ON_MAP))) {      
      IntentTools.showLocation(ActivityMain.act, loc.getLatitude(), loc.getLongitude());
      
    } else if (s.equals(ctx.getString(R.string.MENU_AUDIO_NAV))) {
      android.location.Location l = dhis.mLastLocation;
      if (l != null) {
        SoundFinder.findNode(ActivityMain.dhis, loc.getLatitude(), //
            loc.getLongitude(), loc.getAltitude(), 25, 25, //
            Converter.createLoc(loc).distanceTo(l));
      } else {
        Toast.makeText(ctx, R.string.no_location_yet, Toast.LENGTH_SHORT).show();
      }
    } else if (s.equals(ctx.getString(R.string.MENU_RENAME))) {

      AlertDialog.Builder alertDialog = new AlertDialog.Builder(ActivityMain.dhis);
      final EditText et = new EditText(ctx);
      et.setText(loc.getName());
      alertDialog.setPositiveButton("Rename", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
          dhis.mData.rename(loc, et.getText().toString());
          dhis.updateLists();
        }
      });
      alertDialog.setNegativeButton(ctx.getString(R.string.MENU_CANCEL), null);
      alertDialog.setMessage(R.string.modify_the_name_below_);
      alertDialog.setView(et);
      alertDialog.setTitle(R.string.rename_location);
      alertDialog.show();

    } else if (s.equals(ctx.getString(R.string.MENU_DELETE))) {

      AlertDialog.Builder alertDialog = new AlertDialog.Builder(ActivityMain.dhis);

      alertDialog.setPositiveButton(ctx.getString(R.string.MENU_DELETE), new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {

          dhis.mData.deleteEntry(locationList.get(position));
          locationList.remove(position);
          dhis.updateLists();
        }
      });

      alertDialog.setNegativeButton(ctx.getString(R.string.MENU_CANCEL), null);
      alertDialog.setMessage(String.format(
          getContext().getString(R.string.do_you_really_want_to_delete_the_location_s_),
          locationList.get(position).getName()));
      alertDialog.setTitle("Delete");
      alertDialog.show();
    }
  }

  public ArrayList<Location> getList() {
    return locationList;
  }

  @Override
  public View getView(final int position, View convertView, ViewGroup parent) {
    View rootView = inflater.inflate(R.layout.list_item_location, parent, false);

    rootView.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        ReturnStringCallback selected = new ReturnStringCallback() {

          @Override
          public void result(String s) {
            handleMenuItem(position, s);
          }

        };
        IntentTools.userSelectString(ActivityMain.dhis, getContext().getString(R.string.select_action_),
            new String[] { ctx.getString(R.string.MENU_FAVORITE), //
                ctx.getString(R.string.MENU_SHARE), //
                ctx.getString(R.string.MENU_RENAME), //
                ctx.getString(R.string.MENU_DELETE), //
                ctx.getString(R.string.MENU_SHOW_ON_MAP), //
                ctx.getString(R.string.MENU_AUDIO_NAV), //
                ctx.getString(R.string.MENU_CANCEL) }, selected);
      }
    });

    TextView tvItemTitle = (TextView) rootView.findViewById(R.id.tvItemTitle);
    TextView tvItemDistanceValue = (TextView) rootView.findViewById(R.id.tvItemDistanceValue);

    Location item = locationList.get(position);
    tvItemTitle.setText("" + item.getName());
    if (dhis.mLastLocation != null) {
      Unit u = Unit.from(Unit.METRE).setValue(LocationManager.getDistanceTo(item, dhis.mLastLocation));
      u = u.to(ActivityMain.mUnitL);
      String s = String.format("%s", u);
      tvItemDistanceValue.setText(s);
    } else {
      tvItemDistanceValue.setText(R.string._no_location_fix_yet_);
    }

    return rootView;
  }
}
Java Source Code List
