UserDetailsFragment.java

package com.ved.musicmapapp.fragments;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.text.TextUtils.TruncateAt;
import android.util.Log;
import android.util.SparseArray;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

import com.google.android.gms.internal.fr;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
import com.ved.musicmapapp.MainActivity;
import com.ved.musicmapapp.MainActivity.OnShareListener;
import com.ved.musicmapapp.R;
import com.ved.musicmapapp.Objects.User;
import com.ved.musicmapapp.adapters.DBAdapter;
import com.ved.musicmapapp.providers.FollowUserTask;
import com.ved.musicmapapp.utils.CustomSparseFragmentsArray;
import com.ved.musicmapapp.utils.Statics;
import com.viewpagerindicator.TabPageIndicator;

public class UserDetailsFragment extends Fragment implements OnShareListener {

	private static final String[] CONTENT = new String[] {"Last Added", "Playlists","Genres"};
	//	private TabHost mTabHost;
	//	private ViewPager mViewPager;
	//	private HashMap<String, TabInfo> mapTabInfo = new HashMap<String, UsersPlaylistFragment.TabInfo>();
	//	private MainFragmentAdapter mPagerAdapter;
	private int curTab = 0;
	private User user;
	private TextView tvUserName, tvNoSong, tvLastUDArtist, tv_update;
	private Button btn_follow;
	private ImageView ivThumb;
	private ImageLoader imageLoader;
	private DisplayImageOptions options;
	private Activity mContext;
	private SharedPreferences prefs;
	private boolean lastVal;

	ViewPager pager;
	TabPageIndicator indicator;
	int index = 0;

	private CustomSparseFragmentsArray<Fragment> mFragments;
	GoogleMusicAdapter adapter;
	private CustomSparseFragmentsArray<Fragment> mBackFragments;
	public static final int PAGE_COUNT = 3;
	public static final int FIRST_PAGE = 0;
	public static final int SECOND_PAGE = 1;
	public static final int THIRD_PAGE = 2;

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



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

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
		if(savedInstanceState != null){
			mFragments = (CustomSparseFragmentsArray<Fragment>) savedInstanceState.getSerializable("mFragments");
			mBackFragments = (CustomSparseFragmentsArray<Fragment>) savedInstanceState.getSerializable("mBackFragments");

		}
		return inflater.inflate(R.layout.user_playlist_fragment, container, false);
	}

	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
		super.onViewCreated(view, savedInstanceState);

		if (null == getActivity())
			return;

		if(savedInstanceState != null){
			mFragments = (CustomSparseFragmentsArray<Fragment>) savedInstanceState.getSerializable("mFragments");
			mBackFragments = (CustomSparseFragmentsArray<Fragment>) savedInstanceState.getSerializable("mBackFragments");

		}
		
		pd= new ProgressDialog(getActivity());
		pd.setMessage("Loading..");
		pd.setCancelable(false);

		adapter = new GoogleMusicAdapter(getChildFragmentManager());
		pager = (ViewPager)view.findViewById(R.id.pager);
		pager.setAdapter(adapter);

		indicator = (TabPageIndicator)view.findViewById(R.id.indicator);
		indicator.setContext(getActivity());
		indicator.setViewPager(pager);

		prefs = mContext.getSharedPreferences("MUSIC_MAP", Context.MODE_PRIVATE);
		imageLoader = ImageLoader.getInstance();
		options = new DisplayImageOptions.Builder()
		.showImageOnLoading(R.drawable.img_no_image)
		.showImageForEmptyUri(R.drawable.img_no_image)
		.showImageOnFail(R.drawable.img_no_image).cacheInMemory(true)
		.cacheOnDisc(true).bitmapConfig(Bitmap.Config.RGB_565).build();

		ivThumb = (ImageView) getView().findViewById(R.id.ivThumb);
		imageLoader.displayImage("https://graph.facebook.com/" + user.getFbid()
				+ "/picture?type=large", ivThumb, options,
				new ImageLoadingListener() {

			@Override
			public void onLoadingStarted(String imageUri, View view) {
			}

			@Override
			public void onLoadingFailed(String imageUri, View view,
					FailReason failReason) {
			}

			@Override
			public void onLoadingComplete(String imageUri, View view,
					Bitmap loadedImage) {
				ivThumb.setImageBitmap(loadedImage);
			}

			@Override
			public void onLoadingCancelled(String imageUri, View view) {
			}
		});

		tvUserName = (TextView) getView().findViewById(R.id.tvUserName);
		tvUserName.setText(user.getFullName());

		tvNoSong = (TextView) getView().findViewById(R.id.tvNumSong);

		String text = user.getNoSong() > 1 ? getString(
				R.string.user_details_tracks, user.getNoSong()) : getString(
						R.string.user_details_track, user.getNoSong());
				text += ", ";
				text += user.getArtistcount() > 1 ? getString(
						R.string.user_details_artists, user.getArtistcount())
						: getString(R.string.user_details_artist, user.getArtistcount());
						tvNoSong.setText(text);

		tvLastUDArtist = (TextView) getView().findViewById(R.id.tvLastUDArtist);

		if (user.getArtistcount() == 0) {
			text = "Added: ";
		} else {
			// text = "Added: " + user.getArtists().get(0).getName();
			text = "Added: " + user.getLastUpdate();
		}

		if (user.getNoLastAdd() > 1)
			text += " & " + (user.getNoLastAdd() - 1) + " other tracks";
		tvLastUDArtist.setText(text);
		tvLastUDArtist.setEllipsize(TruncateAt.MARQUEE);
		tvLastUDArtist.setSelected(true);

		tv_update = (TextView) getView().findViewById(R.id.update_time);
		tv_update.setText(user.getLastUDString());


		btn_follow = (Button) getView().findViewById(R.id.btn_follow);
		String text1 = getString(R.string.user_follow_user);
		String text2 = getString(R.string.user_follow_msg, text1);

		if (user.getFbid().equals(prefs.getString("FB_ID", ""))) {
			btn_follow.setVisibility(View.GONE);
			//			tvFollowMsg.setVisibility(View.GONE);
		} else {
			if (user.getFbid().equals(Statics.curUser.getFbid())) {
				btn_follow.setVisibility(View.GONE);
				//			tvFollowMsg.setVisibility(View.GONE);
			} else {
				btn_follow.setVisibility(View.VISIBLE);
				//			tvFollowMsg.setVisibility(View.VISIBLE);
			}
		}

		lastVal = user.isFollowed();

		if (user.isFollowed()) {
			btn_follow.setText("Unfollow");
			//	btn_follow.setBackgroundResource(R.drawable.rectangle_transperent);
		} else {
			btn_follow.setText(" Follow ");
			((MainActivity) mContext).hideShareAction();
			//btn_follow.setBackgroundResource(R.drawable.rectangle_transperent);
		}

		btn_follow.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				onFollow();
			}
		});

		if (user.getArtistcount() > 0) {
			//	list.setVisibility(View.VISIBLE);
		} else {
			//		list.setVisibility(View.GONE);
		}

		//						pd.show();
		/*	new GetUserPlaylistsListTask(mContext, Statics.curUser){
			protected void onPostExecute(User result) {
				super.onPostExecute(result);

			};
		}.execute();

		if(user.getPlaylists() != null && user.getPlaylists().size()>0){

		}
		else{
			new GetUserPlaylistsListTask(mContext, user){
				protected void onPostExecute(User result) {

					super.onPostExecute(result);
					user = (User)result;
					pd.dismiss();
					updateView();
				};
			}.execute();
		}*/

		//else
		{
			updateView();
		}

		//this.initialiseTabHost(savedInstanceState);
		//this.intialiseViewPager();
	}
	public void updateView() {
		// user = Statics.hashUsers.get(user.getFbid());

		if (null != user) {
			if (user.isFollowed()) {
				btn_follow.setText("Unfollow");
				//btn_follow.setBackgroundResource(R.drawable.rectangle_transperent);
			} else {
				btn_follow.setText(" Follow ");
				//	btn_follow.setBackgroundResource(R.drawable.bg_button);
			}
			//	showData();
		}

	}
	public void onFollow() {
		if (!Statics.isNetworkConnected(mContext) || null == Statics.curUser) {
			return;
		}
		if (user.isFollowed()) { // Unfollowing
			btn_follow.setText(" Follow ");
			//		btn_follow.setBackgroundResource(R.drawable.rectangle_transperent);

			user.setFollowed(false);

			// Hide share button
			((MainActivity) mContext).hideShareAction();

			if (Statics.hashUsers.containsKey(user.getFbid())) {
				Statics.hashUsers.get(user.getFbid()).setFollowed(false);
			}
			new FollowUserTask(mContext).execute(Statics.curUser.getID(),
					user.getID(), Statics.UNFOLLOW);
			DBAdapter adapter = new DBAdapter(mContext);
			adapter.addUser(user);

		} else { // Following
			btn_follow.setText("Unfollow");
			//	btn_follow.setBackgroundResource(R.drawable.rectangle_transperent);

			user.setFollowed(true);

			// Show share button
				((MainActivity) mContext).showShareAction(this);

			if (Statics.hashUsers.containsKey(user.getFbid())) {
				Statics.hashUsers.get(user.getFbid()).setFollowed(true);
			}
			new FollowUserTask(mContext).execute(Statics.curUser.getID(),
					user.getID(), Statics.FOLLOW);
			DBAdapter adapter = new DBAdapter(mContext);
			adapter.addUser(user);
		}
		updateView();
	}
	@Override
	public void onSaveInstanceState(Bundle outState) {
		outState.putSerializable("mFragments", mFragments);
		outState.putSerializable("mBackFragments", mBackFragments);
		super.onSaveInstanceState(outState);
	}



	@Override
	public void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
	}

	@Override
	public void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
	}


	class GoogleMusicAdapter extends FragmentStatePagerAdapter {
		FragmentManager mFragmentManager;
		
		public GoogleMusicAdapter(FragmentManager fm) {
			super(fm);
			mFragmentManager = fm;
			if(mFragments == null){
				mFragments = new CustomSparseFragmentsArray<Fragment>();
				mBackFragments = new CustomSparseFragmentsArray<Fragment>();
				for (int i = 0; i < 3; i++) {
					mFragments.put(i,null);
				}
			}
		}

		/**
		 * Replaces the current fragment by fragment stored in back stack. Does nothing and returns
		 * false if no fragment is back-stacked.
		 */
		public boolean back() {
			if(mBackFragments.size() > 0) {
				Fragment fragment = mBackFragments.get(pager.getCurrentItem());
				if (fragment == null) {
					// Nothing to go back.
					return false;
				}
				
				update(fragment, false);
				mBackFragments.remove(pager.getCurrentItem());
				return true;
			}
			else {
				return false;
			}
		}
		public void replace(int position, Fragment fragment, boolean pushPrevious) {
			// Get currently active fragment.
			if(mFragments.get(FIRST_PAGE) == null || mFragments.get(SECOND_PAGE) == null || mFragments.get(THIRD_PAGE) == null){
				mFragments.put(FIRST_PAGE,getItem(FIRST_PAGE));
				mFragments.put(SECOND_PAGE,getItem(SECOND_PAGE));
				mFragments.put(THIRD_PAGE,getItem(THIRD_PAGE));
			}
			Fragment old_fragment = mFragments.get(position);
			if (old_fragment == null) {
				return;
			}
			if(pushPrevious)
				mBackFragments.put(position,old_fragment);
			
			mFragments.put(position, fragment);
			notifyDataSetChanged();
		}

		public int getItemPosition(Object object) {
			return POSITION_NONE;
		}
		@Override
		public Fragment getItem(int position) {
			index = position;
			Log.e("check","Current position is : " + pager.getCurrentItem() + ".. Index is : " + index);
			
			// If fragment not yet initialized, create its instance.
			if (mFragments.get(position) == null) {
				switch (position) {
				case FIRST_PAGE: {
					mFragments.put(FIRST_PAGE, UserLastAddedFragment.newInstance(user));
				}
				break;
				case SECOND_PAGE: {
					mFragments.put(SECOND_PAGE, PlaylistFragment.newInstance(user));
				}
				break;
				case THIRD_PAGE: {
					mFragments.put(THIRD_PAGE, GenreFragment.newInstance(user));
				}
				break;
				}
			}

			// Return fragment instance at requested position.
			return mFragments.get(position);
		}

		@Override
		public CharSequence getPageTitle(int position) {
			return CONTENT[position % CONTENT.length];
		}

		@Override
		public int getCount() {
			return CONTENT.length;
		}
	}
	public void update(Fragment fragment, boolean pushPrevious){
		Log.e("check","Current position is : " + pager.getCurrentItem() + ".. Index is : " + index);
		adapter.replace(pager.getCurrentItem(),fragment, pushPrevious);
	}
	
	public boolean onBack() {
		if(adapter.back())
			return true;
		/*else{
			int currentPage = pager.getCurrentItem();
			if(currentPage == 2){
				pager.setCurrentItem(1);
				return true;
			}
			else if(currentPage == 1){
				pager.setCurrentItem(0);
				return true;
			}*/
			else
				return false;
	//	}
	//	return adapter.back();
	}
	@Override
	public void onDestroyView() {
		if (getView() != null) {
			((ViewGroup) getView().getParent()).removeView(getView());
		}
		super.onDestroyView();
	}

	public void setUser(User item) {
		this.user = item;
	}
	@Override
	public void onShare() {
		String sharedUrl = Statics.WEB_APP_URL + user.getUserName();
		String shareBody;
		if (Statics.curUser.getFbid() == user.getFbid()) {
			if (user.getArtistcount() == 1) {
				shareBody = getString(R.string.share_user_current_user_, user
						.getArtists().get(0).getName());

			} else {
				shareBody = getString(R.string.share_user_current_user, user
						.getArtists().get(0).getName(), user.getArtists()
						.size() - 1);

			}
		} else {
			if (user.getArtistcount() == 1) {
				shareBody = getString(R.string.share_user_other_user_,
						user.getFirstName(), user.getArtists().get(0).getName());

			} else {
				shareBody = getString(R.string.share_user_other_user,
						user.getFirstName(),
						user.getArtists().get(0).getName(), user.getArtists()
								.size() - 1);

			}
		}
		shareBody += "\n" + sharedUrl;

		Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
		sharingIntent.setType("text/plain");
		sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBody);
		startActivity(Intent.createChooser(sharingIntent, "Share"));
	}
	
}