PlaylistFragment.java

package com.ved.musicmapapp.fragments;

import java.util.ArrayList;

import android.app.Activity;
import android.app.Dialog;
import android.app.FragmentManager;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.ved.musicmapapp.MainActivity;
import com.ved.musicmapapp.MainActivity.OnShareListener;
import com.ved.musicmapapp.R;
import com.ved.musicmapapp.Objects.Playlist;
import com.ved.musicmapapp.Objects.User;
import com.ved.musicmapapp.adapters.DBAdapter;
import com.ved.musicmapapp.adapters.UserPlaylistsAdapter;
import com.ved.musicmapapp.providers.DeletePlaylistTask;
import com.ved.musicmapapp.providers.GetUserByTypeTask;
import com.ved.musicmapapp.providers.GetUserPlaylistsListTask;
import com.ved.musicmapapp.providers.GetUserSongsFromPlaylistsListTask;
import com.ved.musicmapapp.providers.RenamePlaylistTask;
import com.ved.musicmapapp.utils.Statics;

/**
 * 
 * @author Quang
 * 
 */
public class PlaylistFragment extends Fragment implements GetUserByTypeTask.GetDataListener, OnShareListener {
	private ListView list;
	private UserPlaylistsAdapter uAdapter;
	private LinearLayout group_find;
	// private LinearLayout group_loadmore;
	private Button find_similar, find_fb_friend, find_by_name;
	private View mLoadingLayout;
	//	private ArrayList<User> users;
	private GetUserByTypeTask mTask;
	private Activity mContext;
	View emptyLayout;
	private User mUser;
	private boolean isCurrentUser;
	
	public void setUser(User user){
		this.mUser = user;
		if(this.mUser.getID() == Statics.curUser.getID()) {
			isCurrentUser = true;
		}
	}
	@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);
		View v = inflater.inflate(R.layout.activity_you_follow, null);
		
		init(v);

		return v;

	}

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

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


	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onViewCreated(view, savedInstanceState);
	}
	private void initList(View view) {
		
		
		if(mUser != null){
			uAdapter = new UserPlaylistsAdapter(getActivity(), mUser.getPlaylists());			
		}
		else
			uAdapter = new UserPlaylistsAdapter(getActivity(), null);
		list.setAdapter(uAdapter);
	}
	private void init(final View view) {

		list = (ListView) view.findViewById(R.id.list_you_follow);
		mLoadingLayout = view.findViewById(R.id.loadingLayout);
		mLoadingLayout.setVisibility(View.GONE);
		// group_loadmore = (LinearLayout)
		// mView.findViewById(R.id.group_loadmore);
		
		group_find = (LinearLayout) view.findViewById(R.id.group_find);
		find_similar = (Button) group_find.findViewById(R.id.btn_find_similar);
		find_fb_friend = (Button) group_find
				.findViewById(R.id.btn_find_fb_friend);
		find_by_name = (Button) group_find.findViewById(R.id.btn_find_by_name);

		
		View v = view.findViewById(R.id.layout_section);
		//	if(mUser.getID() != Statics.curUser.getID())
			v.setVisibility(View.VISIBLE);
			
			v.setOnClickListener(new OnClickListener() {
				
				@Override
				public void onClick(View v) {
					
					UserArtistsFragment fragment = new UserArtistsFragment();
					fragment.setUser(mUser);
					if(mUser.getPlaylists() != null)
						Log.e("check","mUser playlist size" + mUser.getPlaylists().size());
					else
						Log.e("check","mUser playlist size 0");
					if(getParentFragment().getClass().equals(UserDetailsFragment.class))
						((UserDetailsFragment)getParentFragment()).update(fragment, true);
					else
						((MainFragment)getParentFragment()).update(fragment, true);
				}
			});
		
		find_similar.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				MainActivity m = (MainActivity) getActivity();
				m.setNewPage(new SimilarUserFragment());
			}
		});
		find_fb_friend.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				MainActivity m = (MainActivity) getActivity();
				m.setNewPage(new InviteFriendFragment());
			}
		});
		find_by_name.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				MainActivity m = (MainActivity) getActivity();
				m.setNewPage(AddPlaylistFragment.newInstance(2));
			}
		});
		emptyLayout = view.findViewById(R.id.resultLayout);
		list.setVisibility(View.VISIBLE);
		emptyLayout.setVisibility(View.GONE);
		if(mUser != null) {
			if(mUser.getPlaylists() == null){
//				list.setVisibility(View.GONE);
//				emptyLayout.setVisibility(View.VISIBLE);

				new GetUserPlaylistsListTask(mContext, mUser){
					protected void onPostExecute(User result) {
						super.onPostExecute(result);
						if(mUser != null){
							mUser = (User)result;
							if(mUser != null )
							{
								initList(view);
							}
						}
					};
				}.execute();
			}
			else{
	//			emptyLayout.setVisibility(View.GONE);
				initList(view);
				uAdapter.notifyDataSetChanged();
			}
		}

		list.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, final int pos, long arg3) {

				final ArrayList<Playlist> userPlaylists = mUser.getPlaylists();
				final Playlist selectedPlaylist = userPlaylists.get(pos);
				int localSongCount = Statics.getSelectedPlaylistSongCount(selectedPlaylist);

				if(selectedPlaylist.getNumberOfTracks() == 0) {
					Toast.makeText(mContext, "No Track Added in this Playlist.", Toast.LENGTH_SHORT).show();
				}
				else if (Statics.isNetworkConnected(mContext) && selectedPlaylist.getNumberOfTracks() != localSongCount) 
				{
					new GetUserSongsFromPlaylistsListTask(getActivity(), mUser, selectedPlaylist) {
						protected void onPostExecute(Playlist result) {
							super.onPostExecute(result);
							if (result != null) {
								// Updating resulted playlist in model
								userPlaylists.remove(pos);
								userPlaylists.add(pos, result);
								mUser.setPlaylists(userPlaylists);
								//								loadPlaylistArtistFragment(result);
								loadPlaylistTracksFragment(result);
							} else {
								Toast.makeText(getActivity().getApplicationContext(),"No Song Found..!",Toast.LENGTH_SHORT).show();
							}
						};
					}.execute();
				}else if(!Statics.isNetworkConnected(mContext)
						&& selectedPlaylist.getNumberOfTracks() != localSongCount
						&& localSongCount > 0) {
					Toast.makeText(getActivity().getApplicationContext(),"Internet Not available! You might not be viewing latest content..!",Toast.LENGTH_SHORT).show();
					//					loadPlaylistArtistFragment(selectedPlaylist);
					loadPlaylistTracksFragment(selectedPlaylist);
				}
				else{
					//					loadPlaylistArtistFragment(selectedPlaylist);
					loadPlaylistTracksFragment(selectedPlaylist);
				}

			}
		});
		if (!Statics.isFollowingLoaded) {
			getData();
		}
		if(isCurrentUser)
			registerForContextMenu(list);
		else
			unregisterForContextMenu(list);
	}

	private void loadPlaylistArtistFragment(Playlist result) {
		PlaylistArtistsFragment fr = new PlaylistArtistsFragment();
		fr.setPlaylistDetails(mUser, result);
		loadPlayListArtistFragment(fr);
	}

	private void loadPlayListArtistFragment(PlaylistArtistsFragment fr) {
		FragmentTransaction fragmentTransaction = getActivity().getSupportFragmentManager().beginTransaction();
		fragmentTransaction.replace(R.id.frame_content,fr);
		fragmentTransaction.addToBackStack(null);
		fragmentTransaction.commit();
	}
	private void loadPlaylistTracksFragment(Playlist result) {
		PlaylistTracksFragment fr = new PlaylistTracksFragment();
		fr.setPlaylist(result);
		fr.setUser(mUser);
		loadPlaylistTracks(fr);
	}

	private void loadPlaylistTracks(PlaylistTracksFragment fr) {
		FragmentTransaction fragmentTransaction = getActivity().getSupportFragmentManager().beginTransaction();
		fragmentTransaction.replace(R.id.frame_content,fr);
		fragmentTransaction.addToBackStack(null);
		fragmentTransaction.commit();
	}


	public void getData() {

		if (mTask != null) {
			mTask.cancel(true);
		}
		if (Statics.curUser != null && getActivity() != null) {
			mTask = new GetUserByTypeTask(getActivity(),
					Statics.curUser.getFbid(), GetUserByTypeTask.YOU_FOLLOW,
					this);
			mTask.execute();
		}
	}

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

	/**
	 * @param tv
	 * 
	 */
	@Override
	public void onStartGetData() {
		//		if (users.size() == 0) {
		//			mLoadingLayout.setVisibility(View.VISIBLE);
		//		}
	}

	@Override
	public void onGotData(ArrayList<User> users) {
		mLoadingLayout.setVisibility(View.GONE);
		if (users != null) {/*
			TabInfo tabInfo = ((UsersPlaylistFragment) getParentFragment()).getTab(0);
			if (tabInfo != null) {
				tabInfo.tvCount.setText(users.size() + "");
			}
			if (Statics.curUser != null)
				Statics.curUser.setTotalYouFollow(users.size());
			if (getActivity() != null) {
				uAdapter = new UserPlaylistsAdapter(getActivity(), user.getPlaylists());
				list.setAdapter(uAdapter);
			}
			if (users.size() == 0) {
				group_find.setVisibility(View.VISIBLE);
			} else {
				list.setVisibility(View.VISIBLE);
				group_find.setVisibility(View.GONE);
			//	this.users = users;
			}
		 */}
	}

	@Override
	public void onError(String error) {
		mLoadingLayout.setVisibility(View.GONE);
		//		if (users != null && users.size() > 0) {
		//			list.setVisibility(View.VISIBLE);
		//			group_find.setVisibility(View.GONE);
		//		} else {
		//			group_find.setVisibility(View.VISIBLE);
		//		}
	}
	public static Fragment newInstance(User user) {
		PlaylistFragment fragment = new PlaylistFragment();
		fragment.setUser(user);
		return fragment;

	}

	@Override
	public void onCreateContextMenu(ContextMenu menu, View v,
			ContextMenuInfo menuInfo) {
		super.onCreateContextMenu(menu, v, menuInfo);
		MenuInflater inflater = getActivity().getMenuInflater();
		inflater.inflate(R.menu.context_menu, menu);
	}

	@Override
	public boolean onContextItemSelected(MenuItem item) {
		AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
		ArrayList<Playlist> playlists = mUser.getPlaylists();
		final Playlist selectedPlaylist = playlists.get(info.position); 
		final int playlistId = selectedPlaylist.getID();

		Activity activity = getActivity();
		final DBAdapter adapter = new DBAdapter(mContext);
		if(activity instanceof MainActivity) {
			switch (item.getItemId()){
			case R.id.delete:
				new DeletePlaylistTask(activity, playlistId){

					protected void onPostExecute(String result) {
						super.onPostExecute(result);
						if(result != null) {
							if(result.contains("success")) {
								adapter.deleteUserPlaylist(mUser, playlistId);
								mUser.removeUserPlaylistById(playlistId);
								uAdapter.notifyDataSetChanged();
							} else {
								Toast.makeText(mContext, result, Toast.LENGTH_SHORT).show();
							}
						}
						else {
							Toast.makeText(mContext, "Somthing Went Wrong!", Toast.LENGTH_SHORT).show();
						}

					};

				}.execute();
				return true;
			case R.id.rename:
				renmaePlaylistDialog(selectedPlaylist);	    		
				return true;
			default:
				return super.onContextItemSelected(item);
			}
		}
		return super.onContextItemSelected(item);
	}

	public void renmaePlaylistDialog(final Playlist playlist){

		final Dialog dialog = new Dialog(mContext);
		dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
		dialog.setContentView(R.layout.create_playlist_dialog);
		dialog.setCanceledOnTouchOutside(false);
		TextView title = (TextView) dialog.findViewById(R.id.title);
		title.setText("Rename Playlist");

		final EditText playlistName = (EditText) dialog.findViewById(R.id.et_playlist_name);
		Button add = (Button)dialog.findViewById(R.id.btn_addplaylist);
		add.setVisibility(View.GONE);

		View container = dialog.findViewById(R.id.buttonContainer);
		container.setVisibility(View.VISIBLE);

		Button rename = (Button)container.findViewById(R.id.btn_rename);
		Button cancel = (Button)container.findViewById(R.id.cancel_rename);

		cancel.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				dialog.dismiss();				
			}
		});

		rename.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View arg0) {
				final String text = playlistName.getText().toString();
				if(text.equals("")) {
					Toast.makeText(mContext, "Please Enter Playlist Name", Toast.LENGTH_SHORT).show();
					return;
				}
				final DBAdapter adapter = new DBAdapter(mContext);
				new RenamePlaylistTask(mContext, playlist.getID(), text){

					protected void onPostExecute(String result) {
						super.onPostExecute(result);
						if(result != null) {
							if(result.contains("success")) {
								ArrayList<Playlist> playlists = Statics.curUser.getPlaylists();
								playlists.remove(playlist);
								playlist.setPlaylistName(text);
								playlists.add(playlist);
								Statics.curUser.setPlaylists(playlists);
								
								adapter.updatePlaylist(playlist, mUser);
								uAdapter.notifyDataSetChanged();
							} else {
								Toast.makeText(mContext, result, Toast.LENGTH_SHORT).show();
							}
						}
						else {
							Toast.makeText(mContext, "Somthing Went Wrong!", Toast.LENGTH_SHORT).show();
						}

					};

				}.execute();

				dialog.dismiss();

			}
		});
		dialog.show();
	}
	@Override
	public void onResume() {
		super.onResume();
		if (this.mUser != null &&  this.mUser.isFollowed()) {
			((MainActivity) mContext).showShareAction(this);
		}
		else
			((MainActivity) mContext).hideShareAction();
	}
	
	@Override
	public void onShare() {
		String sharedUrl = Statics.WEB_APP_URL + mUser.getUserName();
		String shareBody;
		if (Statics.curUser.getFbid() == mUser.getFbid()) {
			if (mUser.getArtistcount() == 1) {
				shareBody = getString(R.string.share_user_current_user_, mUser
						.getArtists().get(0).getName());

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

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

			} else {
				shareBody = getString(R.string.share_user_other_user,
						mUser.getFirstName(),
						mUser.getArtists().get(0).getName(), mUser.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"));
	}
}