Android Open Source - grtransit Times Array Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2011 Giles Malet.//from  w w  w.  j a va2 s . c  om
 *
 * This file is part of GRTransit.
 * 
 * GRTransit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * GRTransit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GRTransit.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * An adapter that is used when drawing the main window list of details.
 */
package net.kw.shrdlu.grtgtfs.LayoutAdapters;

import android.app.ListActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import net.kw.shrdlu.grtgtfs.R;
import net.kw.shrdlu.grtgtfs.ServiceCalendar;

import java.util.ArrayList;

public class TimesArrayAdapter extends ArrayAdapter /* <ArrayList<String[]>> */{
  private static final String TAG = "TimesAdapter";

  private final ArrayList<String[]> mDetails;
  private final LayoutInflater mInflater;
  private final int mLayout;

  public TimesArrayAdapter(ListActivity context, int layout, ArrayList<String[]> details) {
    super(context, layout, details);
    // Log.v(TAG, "TimesArrayAdapter()");

    mDetails = details;
    mInflater = LayoutInflater.from(context);
    mLayout = layout;
  }

  static class ViewHolder {
    TextView stoptime;
    TextView desc;
    TextView routelabel;
    TextView routedesc;
  }

  @Override
  public View getView(int position, View view, ViewGroup parent) {
    // Log.v(TAG, "getview(): position " + position);
    ViewHolder holder;

    // Reuse the convertView if we already have one.... Android will create
    // only enough to fill the screen.
    if (view == null) {
      view = mInflater.inflate(mLayout, parent, false);
      // Log.d(TAG, "new view " + view);

      // Save the view when we look them up.
      holder = new ViewHolder();
      holder.stoptime = (TextView) view.findViewById(R.id.stoptime);
      holder.desc = (TextView) view.findViewById(R.id.desc);
      holder.routelabel = (TextView) view.findViewById(R.id.routelabel);
      holder.routedesc = (TextView) view.findViewById(R.id.routedesc);
      view.setTag(holder);
    } else {
      // Log.d(TAG, "reusing view " + view);
      holder = (ViewHolder) view.getTag();
    }

    holder.stoptime.setText(ServiceCalendar.formattedTime(mDetails.get(position)[0]));
    holder.desc.setText(mDetails.get(position)[1]);

    // Look for things like route 7A, where the A is part of the description
    // TODO - char test should use a type test or something. This assumes US ASCII...
    String route = mDetails.get(position)[2];
    String headsign = mDetails.get(position)[3];
    if (headsign.length() > 2 && headsign.charAt(1) == ' ' && headsign.charAt(0) >= 'A' && headsign.charAt(0) <= 'Z') {
      route += headsign.charAt(0); // route number
      headsign = headsign.substring(2); // route headsign
    }

    holder.routelabel.setText(route);
    holder.routedesc.setText(headsign);

    return view;
  }
}

Java Source Code List

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