ProfileActivity.java

package br.edu.ufcg.ccc.projeto2.warofkingdoms.ui;

import org.achartengine.ChartFactory;
import org.achartengine.GraphicalView;
import org.achartengine.model.CategorySeries;
import org.achartengine.renderer.DefaultRenderer;
import org.achartengine.renderer.SimpleSeriesRenderer;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import br.edu.ufcg.ccc.projeto2.warofkingdoms.management.ProfileManager;
import br.edu.ufcg.ccc.projeto2.warofkingdoms.util.Constants;
import br.ufcg.edu.ccc.projeto2.R;

import com.facebook.widget.ProfilePictureView;

public class ProfileActivity extends Activity implements OnClickListener {


	private static int[] COLORS = new int[] { Color.rgb(0, 153, 64), Color.rgb(187, 67, 58) };

	private static String[] NAME_LIST = new String[] { "Won", "Lost"};

	private CategorySeries mSeries = new CategorySeries("");

	private DefaultRenderer mRenderer = new DefaultRenderer();

	private GraphicalView mChartView;

	private int numVictories;
	private int numTimesPlayed;
	private ProfilePictureView profilePictureView;
	private TextView userNameView;
	private TextView numVictoriesLabel;
	private TextView numLostsLabel;

	private ProfileManager profileManager;

	private Button victoryTrackBtn;

	private int[] victoryTrackButtons = new int[] {R.id.game1,
			R.id.game2,
			R.id.game3,
			R.id.game4,
			R.id.game5,
			R.id.game6,
			R.id.game7,
			R.id.game8,
			R.id.game9,
			R.id.game10};

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.profile_screen);

		profileManager = ProfileManager.getInstance();

		setGraphParameters();

		double[] statistics = getStatistics();

		insertChartValues(statistics);

		numVictoriesLabel = (TextView) findViewById(R.id.num_victories_textview);
		String victoriesLabel = statistics[0] +"% ("+numVictories+")";
		numVictoriesLabel.setText(victoriesLabel);

		numLostsLabel = (TextView) findViewById(R.id.num_losts_textview);
		String lostsLabel = statistics[1] +"% ("+(numTimesPlayed-numVictories)+")";
		numLostsLabel.setText(lostsLabel);
		// Find the user's profile picture custom view
		SharedPreferences sharedPreferences = PreferenceManager
				.getDefaultSharedPreferences(getApplicationContext());
		String userName = sharedPreferences.getString("user_name", "Anonymous Player");
		String userId = sharedPreferences.getString("user_id", "Anonymous Id");
		Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.anonymous_profile_picture);
		profilePictureView = (ProfilePictureView) findViewById(R.id.selection_profile_pic);
		profilePictureView.setCropped(true);
		if(!userId.equals("Anonymous Id")) {
			profilePictureView.setProfileId(userId);
		}
		profilePictureView.setDefaultProfilePicture(bm);

		// Find the user's name view
		userNameView = (TextView) findViewById(R.id.selection_user_name);
		userNameView.setText(userName);

		loadLast10Matches();
	}

	private double[] getStatistics() {

		numTimesPlayed = profileManager.getIntSharedPreference(Constants.NUM_TIMES_PLAYED_KEY, getApplicationContext());
		numVictories = profileManager.getIntSharedPreference(Constants.NUM_VICTORIES_KEY, getApplicationContext());

		if (numTimesPlayed == 0) {
			return new double[] { 50, 50 }; 
		}

		double vitoriesPercentage = (numVictories * 100)/numTimesPlayed;
		double lostPercentage = 100 - vitoriesPercentage;

		return new double[] { vitoriesPercentage, lostPercentage };
	}

	private void insertChartValues(double[] values) {

		for (int i = 0; i < values.length; i++) {
			mSeries.add(NAME_LIST[i] + " " + values[i], values[i]);
			SimpleSeriesRenderer renderer = new SimpleSeriesRenderer();
			renderer.setColor(COLORS[(mSeries.getItemCount() - 1) % COLORS.length]);
			mRenderer.addSeriesRenderer(renderer);
		}

		if (mChartView != null) {
			mChartView.repaint();
		}
	}

	private void loadLast10Matches() {

		String victoryTrackStr = profileManager.getStringSharedPreference(Constants.TEN_LAST_GAMES, getApplicationContext());
		String[] individualTrack = victoryTrackStr.split(" ");

		for (int i = 0; i < 10; i++) {

			victoryTrackBtn = (Button) findViewById(victoryTrackButtons[i]);

			if (individualTrack[i].equals(ProfileManager.VICTORY)) {

				victoryTrackBtn.setBackgroundColor(getResources().getColor(R.color.green));
			}
			else if (individualTrack[i].equals(ProfileManager.LOST)) {

				victoryTrackBtn.setBackgroundColor(getResources().getColor(R.color.red));
			}
			else {

				victoryTrackBtn.setBackgroundColor(getResources().getColor(R.color.gray));
			}
		}

	}

	@Override
	public void onClick(View v) {

	}

	@Override
	public void onBackPressed() {
		startActivity(new Intent(this, ConnectActivity.class));
		super.onBackPressed();
	}

	@Override
	protected void onResume() {
		super.onResume();
		if (mChartView == null) {

			LinearLayout layout = (LinearLayout) findViewById(R.id.chart);
			mChartView = ChartFactory.getPieChartView(this, mSeries, mRenderer);
			mRenderer.setSelectableBuffer(10);

			layout.addView(mChartView);
		}
		else {
			mChartView.repaint();
		}
	}

	private void setGraphParameters() {

		mRenderer.setShowLabels(false);

		mRenderer.setShowLegend(false);

		mRenderer.setApplyBackgroundColor(true);
		mRenderer.setBackgroundColor(Color.rgb(224, 224, 224));
		mRenderer.setChartTitleTextSize(50);
		mRenderer.setMargins(new int[] { 20, 30, 15, 0 });
		mRenderer.setZoomButtonsVisible(false);
		mRenderer.setClickEnabled(false);
		mRenderer.setAntialiasing(true);
		mRenderer.setPanEnabled(false);
		mRenderer.setStartAngle(90);
	}
}