Android Open Source - MightyV Test Episodes

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License

The source code is released under:
Apache License
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Java Source Code

package com.indivisible.mightyv.activities.testing;
/*from   ww  w . j  av a 2  s. c o m*/
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.database.SQLException;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;

import com.indivisible.mightyv.R;
import com.indivisible.mightyv.data.Episode;
import com.indivisible.mightyv.data.EpisodeDataSource;
import com.indivisible.mightyv.util.MyLog;

//FIXME Use Fragments for actual implementation

/**
 * Activity to test the functionality of the Show database interactions
 * @author indiv
 */
public class TestEpisodes extends Activity implements OnClickListener 
{
  
  //=================================================//
  //    data
  //=================================================//
  
  private String TAG;
  
  // Show and ListView
  EpisodeDataSource episodeSource;
  List<Long> savedEpisodes = null;  //FIXME Don't save the ids like this. Manipulate the db directly.
  ArrayAdapter<String> adapter;  //TODO Custom Adapter and better ListView row
  ListView lvEpisodes;
  
  // text fields
  EditText etShowKey;
  EditText etTitle;
  EditText etNumEpisode;
  EditText etNumSeason;
  
  // buttons
  Button bDeleteAll;
  Button bDeleteOne;
  Button bSaveShow;
  
  //=================================================//
  //    Android Activity methods
  //=================================================//
  
  // Method called as the first action when loading the Activity 
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.test_activity_episodes);

    TAG = this.getClass().getSimpleName();
    episodeSource = new EpisodeDataSource(this.getApplicationContext());
    
    initViews();
    initList();
  }
  
  // Called when the Activity loses focus
  @Override
  protected void onPause()
  {
    super.onPause();
    MyLog.d(TAG, "onPause() for TestEpisodes");
  }
  
  // Called when the Activity is closing down (removed from memory)
  @Override
  protected void onStop()
  {
    super.onStop();
    MyLog.d(TAG, "onStop() for TestEpisodes");
  }
  
  
  //=================================================//
  //    Activity init
  //=================================================//
  
  /**
   * Method to handle initialising the layout/Activity's different Views
   */
  private void initViews()
  {
    MyLog.d(TAG, "Init views");
    // assign View fields to the layout's bits
    etShowKey    = (EditText) findViewById(R.id.test_episode_addParentKey);
    etTitle      = (EditText) findViewById(R.id.test_episode_addTitle);
    etNumEpisode = (EditText) findViewById(R.id.test_episode_addNumEpisode);
    etNumSeason  = (EditText) findViewById(R.id.test_episode_addNumSeason);
    bDeleteAll = (Button) findViewById(R.id.test_episode_buttonDeleteAll);
    bDeleteOne = (Button) findViewById(R.id.test_episode_buttonDelOne);
    bSaveShow  = (Button) findViewById(R.id.test_episode_buttonSave);
    
    // ListView to hold the Shows from the database
    lvEpisodes = (ListView) findViewById(R.id.test_episode_listview);
    
    // set the button's to pass their clicks to this class 
    bDeleteAll.setOnClickListener(this);
    bDeleteOne.setOnClickListener(this);
    bSaveShow.setOnClickListener(this);
  }
  
  /**
   * Populate the ListView
   */
  private void initList()
  {
    MyLog.d(TAG, "init List");
    try
    {
      episodeSource.openReadable();
      List<Episode> allEpisodes = episodeSource.getAllEpisodes();
      episodeSource.close();
      
      List<String> episodeDetails = new ArrayList<String>();
      for (Episode episode : allEpisodes)
      {
        String info = episode.info();
        MyLog.i(TAG, "Episode: " +episode.getKey()+ " - " +episode.getTitle());
        episodeDetails.add(info);
      }
      
      MyLog.i(TAG, "Episodes found: " +episodeDetails.size());
      MyLog.d(TAG, "Making adapter");
      
      adapter = new ArrayAdapter<String>(
          this.getApplicationContext(),
          android.R.layout.simple_list_item_1,
          episodeDetails)
          {
            @Override
            public View getView(int position, View convertView, ViewGroup parent) {
              View view =super.getView(position, convertView, parent);

              TextView textView=(TextView) view.findViewById(android.R.id.text1);
              textView.setTextColor(Color.BLACK);

              return view;
            }
          };

      MyLog.d(TAG, "Setting adapter");
      lvEpisodes.setAdapter(adapter);
      
    }
    catch (SQLException e)
    {
      if (MyLog.error) MyLog.e(TAG, "Error while attempting to open database to load Episodes");
      e.printStackTrace();  // wrap with error level?
    }
  }

  //=================================================//
  //    Click handling
  //=================================================//
  
  // Gets called when a click event is passed to the Activity
  // Required when Class implements View.OnClickListener
  @Override
  public void onClick(View v)
  {
    // select what code to execute based on the view's identifier
    switch (v.getId())
    {
      case R.id.test_episode_buttonDeleteAll:
        deleteAll();
        initList();    //FIXME temp reuse for testing only. Custom adapter, proper member handling etc later
        break;
        
      case R.id.test_episode_buttonDelOne:
        deleteOne();
        initList();
        break;
        
      case R.id.test_episode_buttonSave:
        saveEpisode();
        initList();
        break;
    }
  }
  
  //// click methods
  
  /**
   * Delete ALL Shows from the database.
   */
  private void deleteAll()
  {
    episodeSource.openWritable();
    boolean successfulDelete = episodeSource.deleteAllEpisodes();
    episodeSource.close();
    
    if (!successfulDelete)
    {
      MyLog.e(TAG, "Failed to delete some Shows");
    }
  }
  
  /**
   * Delete a single Show. Only works for saved in current session ATM (testing)
   */
  private void deleteOne()  // real method should accept long([])
  {
    if (savedEpisodes != null && savedEpisodes.size() > 0)
    {
      episodeSource.openWritable();
      episodeSource.deleteOneEpisode(savedEpisodes.get(0));
      episodeSource.close();
      
      savedEpisodes.remove(0);
    }
    else
    {
      Log.w(TAG, "No saved Episodes to delete");
    }
  }
  
  /**
   * Save a new Show with details taken from the EditText fields
   */
  private void saveEpisode()
  {
    //TODO do input validation on the EditTexts
    String strShowKey = etShowKey.getText().toString();
    String title     = etTitle.getText().toString();
    String strEpNum = etNumEpisode.getText().toString();
    String strSeasNum = etNumSeason.getText().toString();
    
    long showKey = Long.parseLong(strShowKey);
    int epNum = Integer.parseInt(strEpNum);
    int seaNum = Integer.parseInt(strSeasNum);
    
    episodeSource.openWritable();
    Episode newEpisode = episodeSource.createEpisode(showKey, seaNum, epNum, title);
    episodeSource.close();
    
    if (savedEpisodes == null) savedEpisodes = new ArrayList<Long>();
    savedEpisodes.add(newEpisode.getKey());
  }
  
}
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