public class NewFragment extends Fragment implements Callback<List<ModelsCinema>>,OnClickListener
{
	private LinearLayout layout;
	private Button back,next;
	private RecyclerView rv;
	private ProgressBar loading;
	private DateAdapter adapter;
	private int position;
	private int pageCounter=2;
	@Override
	public void onConfigurationChanged(Configuration newConfig)
	{
		super.onConfigurationChanged(newConfig);
		setGriadLayoutManadger(newConfig.orientation);
	}
	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		position = getArguments().getInt("position", 0);
	}
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
	{
		return inflater.inflate(R.layout.fragments, container, false);

	}

	@Override
	public void onViewCreated(View view, Bundle savedInstanceState)
	{
		super.onViewCreated(view, savedInstanceState);
		layout = (LinearLayout) view.findViewById(R.id.layout);
		back = (Button) view.findViewById(R.id.black);
		next = (Button) view.findViewById(R.id.next);
		rv = (RecyclerView) view.findViewById(R.id.rv);
		loading = (ProgressBar) view.findViewById(R.id.loading);
		loading.animate().alpha(1).setDuration(300).start();
		int orientation=getActivity().getResources().getConfiguration().orientation;
		setGriadLayoutManadger(orientation);
		Loader.load(Links.navigation_urls[position], 0, this);
	}
	@Override
	public void onResponse(final List<ModelsCinema> response)
	{
		adapter = new DateAdapter(getActivity(), response, getActivity());
		rv.setAdapter(adapter);
		loading.setVisibility(View.GONE);
		rv.addOnScrollListener(new RecyclerView.OnScrollListener() {

				@Override
				public void onScrolled(RecyclerView recyclerView, int dx, int dy)
				{
					super.onScrolled(recyclerView, dx, dy);

					final GridLayoutManager layoutManager = (GridLayoutManager) recyclerView.getLayoutManager();

                    final int firstVisibleItemPosition = layoutManager.findFirstVisibleItemPosition();
					if (layoutManager.getChildCount() + firstVisibleItemPosition >= layoutManager.getItemCount())
					{
						if (pageCounter == 2)
						{
							back.setVisibility(View.GONE);
						}
						else
						{
							back.setVisibility(View.VISIBLE);
						}
						layout.setVisibility(View.VISIBLE);
						next.setOnClickListener(NewFragment.this);
						back.setOnClickListener(NewFragment.this);

					}

					else
					{
						layout.setVisibility(View.GONE);
					}
				}
			});
	}

	@Override
	public void onError()
	{
		// TODO: Implement this method
	}
	@Override
	public void onClick(View p1)
	{

		loading.setVisibility(View.VISIBLE);
		rv.setVisibility(View.GONE);
		switch (p1.getId())
		{
			case R.id.black:
				pageCounter--;
				break;
			case R.id.next:
				pageCounter++;
				break;
		}
		Loader.load(Links.navigation_urls[position], pageCounter, new Callback<List<ModelsCinema>>(){

				@Override
				public void onResponse(List<ModelsCinema> response)
				{
					adapter = new DateAdapter(getActivity(), response, getActivity());
					rv.setAdapter(adapter);
					loading.setVisibility(View.GONE);
					rv.setVisibility(View.VISIBLE);
				}

				@Override
				public void onError()
				{
					// TODO: Implement this method
				}


			}
		);
		}
	private void setGriadLayoutManadger(int orientation)
	{
		int columnCount=orientation == Configuration.ORIENTATION_PORTRAIT ? 1 : 2;
		GridLayoutManager manadger=new GridLayoutManager(getActivity(), columnCount);
		rv.setLayoutManager(manadger);

	}
	public static NewFragment newInstance(int position)
	{
		NewFragment fragment=new NewFragment();
		Bundle args=new Bundle();
		args.putInt("position", position);
		fragment.setArguments(args);
		return fragment;
	}
}