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

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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 .ja  va 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;

import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.dom4j.DocumentException;
import org.sigimera.frontends.android.tablet.data.CrisisEntity;
import org.sigimera.frontends.android.tablet.extension.CrisisListAdapter;
import org.sigimera.frontends.android.tablet.handler.CategoryHandler;
import org.sigimera.frontends.android.tablet.handler.CrisisHandler;

import android.app.ListFragment;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

/**
 * @author Alex Oberhauser
 */
public class CrisisListFragment extends ListFragment {

  private List<Map<String, Object>> dataList;
  private List<CrisisEntity> crisisList;

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

  private final Runnable showNetworkConnectionError = new Runnable() {
    @Override
    public void run() {
      showNetworkConnectionError();
    }
  };

  @Override
    public void onActivityCreated(Bundle savedInstanceState) {
     super.onActivityCreated(savedInstanceState);
    }

  /**
   * @param category
   * @param position
   */
  public void updateContent(final int _tab, int _position) {
    final String categoryName = new CategoryHandler().getCategoryName(_position);

    this.dataList = new ArrayList<Map<String, Object>>();

    Thread worker = new Thread() {
      @Override
      public void run() {
        try {
          if ( categoryName.startsWith("Latest Crisis") && _tab == 0 ) {
            crisisList = CrisisHandler.getAllCrisis();
          } else if ( categoryName.startsWith("Earthquake/Tsunami") && _tab == 0 ) {
            crisisList = CrisisHandler.getEarthquakeTsunami();
          } else if ( categoryName.startsWith("Flood") && _tab == 0 ) {
            crisisList = CrisisHandler.getFlood();
          } else if ( categoryName.startsWith("Tropical Cyclone") && _tab == 0 ) {
            crisisList = CrisisHandler.getTropicalCyclone();
          } else if ( categoryName.startsWith("Volcanic Eruption") && _tab == 0 ) {
            crisisList = CrisisHandler.getVolcanicEruptions();
          } else {
            crisisList.clear();
          }
            } catch (MalformedURLException e) {
              guiHandler.post(showNetworkConnectionError);
            } catch (DocumentException e) {
              guiHandler.post(showNetworkConnectionError);
            } catch (URISyntaxException e ) {
              guiHandler.post(showNetworkConnectionError);
        }
            guiHandler.post(updateCrisisEntries);
          }
        };
        worker.start();
  }

  private void updateCrisisEntriesInGUI() {
    setListAdapter(new CrisisListAdapter(getActivity(), R.layout.crisis_entry_list_entry, crisisList));
  }

  private void showNetworkConnectionError() {
    Toast.makeText(getActivity(), "[ERROR] Not able to get crisis information...", Toast.LENGTH_LONG).show();
  }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
      String crisisID = this.crisisList.get(position).getCrisisID().toASCIIString();
      Intent intent = new Intent(getActivity(), CrisisEntryActivity.class);

      Bundle bundle = new Bundle();
      bundle.putString("crisisid", crisisID);
      intent.putExtras(bundle);
      startActivity(intent);
    }

    @Override
    public void onDestroy() {
      super.onDestroy();
        this.crisisList.clear();
        this.dataList.clear();
    }
}

Java Source Code List

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