package fridge.site.tivra.fridgeforcodechef.Fragments;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.SearchView;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.util.ArrayList;
import fridge.site.tivra.fridgeforcodechef.AboutActivity;
import fridge.site.tivra.fridgeforcodechef.Adapters.ContestsListAdapter;
import fridge.site.tivra.fridgeforcodechef.DataModels.Contest;
import fridge.site.tivra.fridgeforcodechef.R;
public class OfflineContestsFragment extends Fragment {
LinearLayoutManager linearLayoutManager;
RecyclerView recyclerView;
ContestsListAdapter contestsListAdapter;
SwipeRefreshLayout swipeRefreshLayout;
ArrayList<Contest> contests;
TextView offlineContestsPlaceholder;
android.support.v7.widget.SearchView searchView;
String filter;
View rootView;
int positionIndex;
int topView;
public OfflineContestsFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_offline_contests_list, container, false);
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setHasOptionsMenu(true);
rootView = getActivity().findViewById(R.id.root_offline_contsets);
recyclerView = getActivity().findViewById(R.id.offline_contests_recycler_view);
contests = new ArrayList<Contest>();
offlineContestsPlaceholder = getActivity().findViewById(R.id.offline_contests_placeholder);
contestsListAdapter = new ContestsListAdapter(contests, getActivity());
recyclerView.setAdapter(contestsListAdapter);
linearLayoutManager = new LinearLayoutManager(getActivity());
recyclerView.setLayoutManager(linearLayoutManager);
swipeRefreshLayout = getActivity().findViewById(R.id.offline_contests_swipe_refresh_layout);
if (savedInstanceState == null || !savedInstanceState.containsKey("contests")) {
swipeRefreshLayout.setRefreshing(true);
getContests();
}
swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
getContests();
}
});
}
public void getContests() {
File folder = getActivity().getFilesDir();
File[] files = folder.listFiles();
contests.clear();
for (int i = files.length - 1; i >= 0; i--) {
if (files[i].isFile() && files[i].getName().contains(".contest")) {
FileInputStream fileInputStream = null;
try {
fileInputStream = new FileInputStream(files[i]);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream, Charset.forName("UTF-8")));
String name = bufferedReader.readLine();
String startDate = bufferedReader.readLine();
String endDate = bufferedReader.readLine();
String code = files[i].getName().replaceAll(".contest", "");
Contest contest = new Contest(code, name, startDate, endDate, -1);
contests.add(contest);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
swipeRefreshLayout.setRefreshing(false);
contestsListAdapter = new ContestsListAdapter(contests, getActivity());
recyclerView.swapAdapter(contestsListAdapter, true);
if (filter != null)
contestsListAdapter.setFilter(filter);
if (contests == null || contests.isEmpty()) {
recyclerView.setVisibility(View.GONE);
offlineContestsPlaceholder.setVisibility(View.VISIBLE);
} else {
recyclerView.setVisibility(View.VISIBLE);
offlineContestsPlaceholder.setVisibility(View.GONE);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.main_action_menu, menu);
searchView = (android.support.v7.widget.SearchView) menu.findItem(R.id.action_search).getActionView();
searchView.clearFocus();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.about_button:
Intent i = new Intent(getContext(), AboutActivity.class);
getActivity().startActivity(i);
break;
case R.id.license_button:
LicenseFragment alertDialog = new LicenseFragment();
alertDialog.setCancelable(true);
alertDialog.show(getActivity().getSupportFragmentManager(), "Tag");
break;
case R.id.share_menu_main:
Intent sharingIntent = new Intent(Intent.ACTION_SEND);
sharingIntent.setType("text/plain");
sharingIntent.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.app_name));
sharingIntent.putExtra(Intent.EXTRA_TEXT, getString(R.string.share_text));
startActivity(Intent.createChooser(sharingIntent, "Share app via"));
break;
}
return true;
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
searchView = (android.support.v7.widget.SearchView) menu.findItem(R.id.action_search).getActionView();
searchView.setIconifiedByDefault(false);
searchView.setIconified(false);
searchView.setQueryHint("Enter contest name or code");
searchView.setQuery(filter, true);
View v = searchView.findViewById(android.support.v7.appcompat.R.id.search_plate);
if (v != null)
v.setBackgroundColor(Color.TRANSPARENT);
SearchView.SearchAutoComplete searchAutoComplete = (SearchView.SearchAutoComplete) searchView.findViewById(android.support.v7.appcompat.R.id.search_src_text);
searchAutoComplete.setTextColor(Color.WHITE);
searchAutoComplete.setHintTextColor(Color.LTGRAY);
searchView.setBackground(getResources().getDrawable(R.drawable.search_bar_bg));
ImageView searchIcon = searchView.findViewById(android.support.v7.appcompat.R.id.search_mag_icon);
searchIcon.setLayoutParams(new LinearLayout.LayoutParams(0, 0));
searchView.setOnQueryTextListener(new android.support.v7.widget.SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
filter = query;
contestsListAdapter.setFilter(query);
return true;
}
@Override
public boolean onQueryTextChange(String newText) {
filter = newText;
contestsListAdapter.setFilter(newText);
return true;
}
});
searchView.clearFocus();
}
@Override
public void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
outState.putParcelableArrayList("contests", contests);
rememberScrollPosition();
outState.putInt("pos", positionIndex);
outState.putInt("top", topView);
}
@Override
public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
super.onViewStateRestored(savedInstanceState);
if (savedInstanceState != null && savedInstanceState.containsKey("contests")) {
contests = savedInstanceState.getParcelableArrayList("contests");
contestsListAdapter = new ContestsListAdapter(contests, getActivity());
recyclerView.swapAdapter(contestsListAdapter, false);
contestsListAdapter.setFilter(filter);
if (savedInstanceState.containsKey("pos") && savedInstanceState.containsKey("top")) {
positionIndex = savedInstanceState.getInt("pos");
topView = savedInstanceState.getInt("top");
setScrollPosition();
}
}
}
@Override
public void onResume() {
super.onResume();
getContests();
rootView.requestFocus();
if (searchView != null) {
filter = searchView.getQuery().toString();
searchView.clearFocus();
}
contestsListAdapter.setFilter(filter);
setScrollPosition();
}
@Override
public void onPause() {
super.onPause();
rememberScrollPosition();
}
@Override
public void onDetach() {
super.onDetach();
}
public void rememberScrollPosition() {
positionIndex = linearLayoutManager.findFirstVisibleItemPosition();
View startView = recyclerView.getChildAt(0);
topView = (startView == null) ? 0 : (startView.getTop() - recyclerView.getPaddingTop());
}
public void setScrollPosition() {
if (positionIndex != -1) {
linearLayoutManager.scrollToPositionWithOffset(positionIndex, topView);
}
}
}
