Android Open Source - sigimera-android-tablet Crisis List Adapter

• Back to Development/restful  ↑

From Project

Back to project page sigimera-android-tablet.

License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Sigimera Crises Information Platform Android Client
 * Copyright (C) 2011-2012 by Sigimera//from ww w .j  a v a  2 s  .  com
 * All Rights Reserved
 *
 * This program 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 2 of the License, or (at your option)
 * any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.sigimera.frontends.android.tablet.extension;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;

import org.sigimera.frontends.android.tablet.R;
import org.sigimera.frontends.android.tablet.data.CrisisEntity;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * @author Alex Oberhauser
 */
public class CrisisListAdapter extends BaseAdapter {
  private final List<CrisisEntity> items;

  private ConcurrentHashMap<Integer, ImageView> crisisMap = new ConcurrentHashMap<Integer, ImageView>();
  private ConcurrentHashMap<Integer, Drawable> crisisMapImage = new ConcurrentHashMap<Integer, Drawable>();

  private final Handler guiHandler = new Handler();
  private final Runnable updateCrisisMap = new Runnable() {
    @Override
    public void run() {
      updateCrisisMap();
    }
  };

  public CrisisListAdapter(final Context _context, final int _itemsId, final List<CrisisEntity> _items) {
    this.items = _items;
  }

  /**
   * @see android.widget.Adapter#getCount()
   */
  @Override
  public int getCount() {
    return this.items.size();
  }

  /**
   * @see android.widget.Adapter#getItem(int)
   */
  @Override
  public Object getItem(int _position) {
     return this.items.get(_position);
  }

  /**
   * @see android.widget.Adapter#getItemId(int)
   */
  @Override
  public long getItemId(int _position) {
    return _position;
  }

  private synchronized void updateCrisisMap() {
    for ( int count = 0; count < this.crisisMapImage.size(); count++ ) {
      ImageView view = this.crisisMap.remove(count);
      Drawable drawable = this.crisisMapImage.remove(count);
      System.out.println("[DEBUG*********] drawable = " + count + " -> " + drawable);
      System.out.println("[DEBUG*********] view = " + count + " -> " + view);
      if ( view != null && drawable != null )
        view.setImageDrawable(drawable);
    }
  }

  /**
   * @see android.widget.Adapter#getView(int, android.view.View, android.view.ViewGroup)
   */
  @Override
  public View getView(final int _position, View _view, ViewGroup _parent) {
    final CrisisEntity crisisEntity = this.items.get(_position);
    View itemView = null;

    if ( _view == null) {
      LayoutInflater inflater = (LayoutInflater) _parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      itemView = inflater.inflate(R.layout.crisis_entry_list_entry, null);
    } else {
      itemView = _view;
    }

    TextView crisisTitle = (TextView) itemView.findViewById(R.id.crisisTitel);
    crisisTitle.setText(crisisEntity.getTitle());

    TextView crisisSummary = (TextView) itemView.findViewById(R.id.crisisSummary);
    String crisisSummaryText = crisisEntity.getDescription();
    if ( crisisSummaryText.length() > 370 )
      crisisSummaryText = crisisSummaryText.substring(0, 370) + "...";
    crisisSummary.setText(crisisSummaryText);

    TextView crisisDate = (TextView) itemView.findViewById(R.id.crisisDate);
    crisisDate.setText(crisisEntity.getIssued().toLocaleString());

//    this.crisisMap.put(_position, (ImageView)itemView.findViewById(R.id.crisisMap));
//    Thread worker = new Thread() {
//      public void run() {
//        String latitude = crisisEntity.getLatitude();
//        String longitude = crisisEntity.getLongitude();
//        if ( longitude != null && latitude != null ) {
//          try {
//            URL depictionURL = new URL("http://staticmap.openstreetmap.de/staticmap.php?center=" +
//                latitude + "," +
//                longitude + "&zoom=4&markers=" +
//                latitude + "," +
//                longitude +
//                ",ol-marker&size=230x120&maptype=osmarenderer");
//            InputStream is = (InputStream) depictionURL.getContent();
//            crisisMapImage.put(_position, Drawable.createFromStream(is, "crisis-depiction-" + _position));
//            guiHandler.post(updateCrisisMap);
//          } catch (IOException e) {
//            // TODO Auto-generated catch block
//            e.printStackTrace();
//          }
//        }
//      }
//    };
//    worker.start();

    return itemView;
  }

}

Java Source Code List

• Back to Development/restful  ↑