SimilarUserFragment.java

package com.ved.musicmapapp.fragments;

import java.util.ArrayList;
import java.util.Collections;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.Toast;

import com.ved.musicmapapp.R;
import com.ved.musicmapapp.Objects.User;
import com.ved.musicmapapp.adapters.UserAdapter;
import com.ved.musicmapapp.providers.GetAroundMeTask;
import com.ved.musicmapapp.providers.GetUserArtistListTask;
import com.ved.musicmapapp.providers.GetUserByTypeTask;
import com.ved.musicmapapp.utils.Statics;
import com.ved.musicmapapp.utils.UserSort;

/**
 * 
 * @author Quang
 * 
 *         show list of whom you could follow
 */
public class SimilarUserFragment extends Fragment implements
		GetUserByTypeTask.GetDataListener {
	private ListView list;
	private UserAdapter uAdapter;
	// private LinearLayout group_loadmore, group_find;
	// private boolean alertShowing = false;
	// private MusicMapApplication app;
	private ArrayList<User> users;
	private View mLoadingLayout;
	private View mResultLayout;
	private GetUserByTypeTask mTask;
	private Activity mContext;

	@Override
	public void onAttach(Activity activity) {
		// TODO Auto-generated method stub
		super.onAttach(activity);
		this.mContext = activity;
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		super.onCreateView(inflater, container, savedInstanceState);
		return inflater.inflate(R.layout.activity_you_follow, container, false);
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
		super.onActivityCreated(savedInstanceState);
		if (null == mContext)
			return;
		if (!Statics.isNetworkConnected(getActivity())) {
			Toast.makeText(getActivity(), "Network unavaiable!", Toast.LENGTH_SHORT).show();
		}
		list = (ListView) getView().findViewById(R.id.list_you_follow);
		mLoadingLayout = getView().findViewById(R.id.loadingLayout);
		mResultLayout = getView().findViewById(R.id.resultLayout);
		list.setVisibility(View.VISIBLE);
		mResultLayout.setVisibility(View.GONE);

		if (null == Statics.hashUsers)
			return;

		users = new ArrayList<User>();
		for (String key : Statics.hashUsers.keySet()) {
			User user = Statics.hashUsers.get(key);
			if (Statics.curUser.getFbid() != null) {
				if (!user.isFollowed()
						&& !user.getFbid().equals(Statics.curUser.getFbid())) {
					users.add(user);
				}
			}
		}
		Collections.sort(users, new UserSort());
		mLoadingLayout.setVisibility(View.GONE);
		uAdapter = new UserAdapter(mContext, users);
		list.setAdapter(uAdapter);
		if (users.size() == 0) {
			mResultLayout.setVisibility(View.VISIBLE);
		}
		if (!Statics.isWhoToFollowLoaded) {
			if (Statics.curUser != null) {
				mTask = new GetUserByTypeTask(mContext,
						Statics.curUser.getFbid(),
						GetUserByTypeTask.SIMILAR_ME, this);
				mTask.execute();
			}
		}

		list.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1,
					final int pos, long arg3) {
				if (users.get(pos).getArtists() == null
						|| (users.get(pos).getArtists() == null && users
								.get(pos).getArtists().size() == 0)
						|| (users.get(pos).getArtists() != null && users.get(
								pos).getArtistcount() != users.get(pos)
								.getArtists().size())) {
					if (Statics.isNetworkConnected(getActivity())) {
						new GetUserArtistListTask(getActivity(),
								Statics.curUser.getFbid(), users.get(pos)
										.getFbid()) {
							protected void onPostExecute(User result) {
								super.onPostExecute(result);
								if (result != null) {
									users.get(pos).setArtists(result.getArtists());
									users.get(pos).setGenre(result.getGenre());

									UserDetailsFragment fragment = new UserDetailsFragment();
									fragment.setUser(users.get(pos));
									FragmentTransaction fragmentTransaction = getActivity()
											.getSupportFragmentManager().beginTransaction();
									fragmentTransaction.replace(R.id.frame_content,
											fragment);
									fragmentTransaction.addToBackStack(null);
									fragmentTransaction.commit();
								/*	UserDetailFragment fragment = new UserDetailFragment();
									fragment.setUser(users.get(pos));
									FragmentTransaction fragmentTransaction = getFragmentManager()
											.beginTransaction();
									fragmentTransaction.replace(
											R.id.frame_content, fragment);
									fragmentTransaction.addToBackStack(null);
									fragmentTransaction.commit();*/
								} else {
									Toast.makeText(
											getActivity()
													.getApplicationContext(),
											getString(R.string.error_no_saved_data),
											Toast.LENGTH_SHORT).show();
								}
							};
						}.execute();
					} else {
						Toast.makeText(
								getActivity(),
								getActivity().getString(
										R.string.txt_not_internet),
								Toast.LENGTH_SHORT).show();
					}
				} else {
					UserDetailsFragment fragment = new UserDetailsFragment();
					fragment.setUser(users.get(pos));
					FragmentTransaction fragmentTransaction = getActivity()
							.getSupportFragmentManager().beginTransaction();
					fragmentTransaction.replace(R.id.frame_content,
							fragment);
					fragmentTransaction.addToBackStack(null);
					fragmentTransaction.commit();
					/*UserDetailFragment fragment = new UserDetailFragment();
					fragment.setUser(users.get(pos));
					FragmentTransaction fragmentTransaction = getFragmentManager()
							.beginTransaction();
					fragmentTransaction.replace(R.id.frame_content, fragment);
					fragmentTransaction.addToBackStack(null);
					fragmentTransaction.commit();*/
				}
			}
		});

	}

	@Override
	public void onDestroyView() {
		if (getView() != null) {
			((ViewGroup) getView().getParent()).removeView(getView());
		}
		if (mTask != null) {
			mTask.cancel(true);
		}
		super.onDestroyView();
	}

	@Override
	public void onStartGetData() {
		if (users == null || users.size() == 0) {
			mLoadingLayout.setVisibility(View.VISIBLE);
			mResultLayout.setVisibility(View.GONE);
		}
	}

	@Override
	public void onGotData(ArrayList<User> users) {
		mLoadingLayout.setVisibility(View.GONE);
		if (users == null || users.size() == 0) {
			try {
				mResultLayout.setVisibility(View.VISIBLE);
				getView().findViewById(R.id.list_you_follow).setVisibility(
						View.GONE);
			} catch (Exception ex) {

			}
		} else {
			Collections.sort(users, new UserSort());
			this.users = users;
			if (mContext != null) {
				if (this.users == null) {
					this.users = new ArrayList<User>();

				}
				uAdapter = new UserAdapter(mContext, this.users);
				list.setAdapter(uAdapter);
				list.setVisibility(View.VISIBLE);
			}
		}
	}

	@Override
	public void onError(String error) {
		mLoadingLayout.setVisibility(View.GONE);
		list.setVisibility(View.VISIBLE);
	}

}