Android/app/src/main/java/com/moiseum/wolnelektury/view/search/BookSearchFragment.java

   1 package com.moiseum.wolnelektury.view.search;
   2
   3 import android.content.Intent;
   4 import android.os.Bundle;
   5 import android.support.annotation.Nullable;
   6 import android.support.v7.widget.LinearLayoutManager;
   7 import android.support.v7.widget.RecyclerView;
   8 import android.support.v7.widget.SearchView;
   9 import android.view.Menu;
  10 import android.view.MenuInflater;
  11 import android.view.MenuItem;
  12 import android.view.View;
  13 import android.widget.Button;
  14 import android.widget.ProgressBar;
  15 import android.widget.RelativeLayout;
  16 import android.widget.Toast;
  17
  18 import com.moiseum.wolnelektury.R;
  19 import com.moiseum.wolnelektury.base.mvp.PresenterFragment;
  20 import com.moiseum.wolnelektury.components.ProgressRecyclerView;
  21 import com.moiseum.wolnelektury.components.recycler.EndlessRecyclerOnScrollListener;
  22 import com.moiseum.wolnelektury.components.recycler.RecyclerAdapter;
  23 import com.moiseum.wolnelektury.connection.models.BookModel;
  24 import com.moiseum.wolnelektury.connection.models.CategoryModel;
  25 import com.moiseum.wolnelektury.view.book.BookActivity;
  26 import com.moiseum.wolnelektury.view.book.BookType;
  27 import com.moiseum.wolnelektury.view.book.list.BooksListAdapter;
  28 import com.moiseum.wolnelektury.view.search.dto.FilterDto;
  29 import com.moiseum.wolnelektury.view.search.filter.FilterActivity;
  30
  31 import org.parceler.Parcels;
  32
  33 import java.util.ArrayList;
  34 import java.util.List;
  35
  36 import butterknife.BindView;
  37 import butterknife.OnClick;
  38
  39 import static android.app.Activity.RESULT_OK;
  40 import static com.moiseum.wolnelektury.view.search.filter.FilterActivity.FILTERS_REQUEST_CODE;
  41 import static com.moiseum.wolnelektury.view.search.filter.FilterActivity.RESULT_FILTERS_KEY;
  42
  43 /**
  44  * Created by piotrostrowski on 16.11.2017.
  45  */
  46
  47 public class BookSearchFragment extends PresenterFragment<BookSearchPresenter> implements BookSearchView, SearchView.OnQueryTextListener {
  48
  49         public static BookSearchFragment newInstance() {
  50                 return new BookSearchFragment();
  51         }
  52
  53         @BindView(R.id.rlFiltersContainer)
  54         RelativeLayout rlFiltersContainer;
  55         @BindView(R.id.rvFilters)
  56         RecyclerView rvFilters;
  57         @BindView(R.id.rvBooks)
  58         ProgressRecyclerView<BookModel> rvBooks;
  59         @BindView(R.id.pbLoadMore)
  60         ProgressBar pbLoadMore;
  61         @BindView(R.id.btnReloadMore)
  62         Button btnReloadMore;
  63
  64         private SearchView svSearch;
  65
  66         private BookSearchFiltersAdapter filtersAdapter;
  67         private RecyclerAdapter.OnItemClickListener<CategoryModel> filtersAdapterClickListener = new RecyclerAdapter
  68                         .OnItemClickListener<CategoryModel>() {
  69                 @Override
  70                 public void onItemClicked(CategoryModel item, View view, int position) {
  71                         filtersAdapter.removeItem(position);
  72                         if (filtersAdapter.getItemCount() == 0) {
  73                                 rlFiltersContainer.setVisibility(View.GONE);
  74                         }
  75                         getPresenter().removeFilter(item);
  76                 }
  77         };
  78
  79         private BooksListAdapter searchAdapter;
  80         private EndlessRecyclerOnScrollListener rvBooksScrollListener = new EndlessRecyclerOnScrollListener() {
  81                 @Override
  82                 public void onLoadMore() {
  83                         if (searchAdapter.getItemCount() > 0) {
  84                                 BookModel lastItem = searchAdapter.getItem(searchAdapter.getItemCount() - 1);
  85                                 getPresenter().loadMoreBooks(lastItem.getKey());
  86                         }
  87                 }
  88         };
  89         private RecyclerAdapter.OnItemClickListener<BookModel> searchAdapterClickListener = (item, view, position) -> getPresenter().bookSelected(item, position);
  90
  91         @Override
  92         protected BookSearchPresenter createPresenter() {
  93                 return new BookSearchPresenter(this);
  94         }
  95
  96         @Override
  97         public int getLayoutResourceId() {
  98                 return R.layout.fragment_search;
  99         }
 100
 101         @Override
 102         public void onCreate(@Nullable Bundle savedInstanceState) {
 103                 super.onCreate(savedInstanceState);
 104                 setHasOptionsMenu(true);
 105         }
 106
 107         @Override
 108         public void prepareView(View view, Bundle savedInstanceState) {
 109                 // Filters
 110                 rvFilters.setLayoutManager(new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false));
 111                 rvFilters.setHasFixedSize(false);
 112                 filtersAdapter = new BookSearchFiltersAdapter(getContext());
 113                 filtersAdapter.setOnItemClickListener(filtersAdapterClickListener);
 114                 rvFilters.setAdapter(filtersAdapter);
 115
 116                 // Search list
 117                 LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
 118                 searchAdapter = new BooksListAdapter(getContext());
 119                 searchAdapter.setOnItemClickListener(searchAdapterClickListener);
 120                 rvBooks.setLayoutManager(layoutManager);
 121                 rvBooks.addOnScrollListener(rvBooksScrollListener);
 122                 rvBooks.setHasFixedSize(true);
 123                 rvBooks.setAdapter(searchAdapter);
 124         }
 125
 126         @Override
 127         public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 128                 super.onCreateOptionsMenu(menu, inflater);
 129                 inflater.inflate(R.menu.menu_search, menu);
 130         }
 131
 132         @Override
 133         public void onPrepareOptionsMenu(Menu menu) {
 134                 super.onPrepareOptionsMenu(menu);
 135                 MenuItem item = menu.findItem(R.id.action_search);
 136                 svSearch = (SearchView) item.getActionView();
 137                 svSearch.setIconifiedByDefault(false);
 138                 svSearch.setIconified(false);
 139                 svSearch.setQueryRefinementEnabled(true);
 140                 svSearch.setOnQueryTextListener(this);
 141                 item.expandActionView();
 142         }
 143
 144         @Override
 145         public boolean onOptionsItemSelected(MenuItem item) {
 146                 if (item.getItemId() == R.id.action_filter) {
 147                         getPresenter().onFiltersClicked();
 148                         return true;
 149                 }
 150                 return super.onOptionsItemSelected(item);
 151         }
 152
 153         @Override
 154         public boolean onQueryTextSubmit(String query) {
 155                 getPresenter().onSearchChosen(query);
 156                 svSearch.clearFocus();
 157                 return true;
 158         }
 159
 160         @Override
 161         public boolean onQueryTextChange(String newText) {
 162                 getPresenter().onSearchChanged(newText);
 163                 return true;
 164         }
 165
 166         @Override
 167         public void onActivityResult(int requestCode, int resultCode, Intent data) {
 168                 if (requestCode == FILTERS_REQUEST_CODE && resultCode == RESULT_OK && data != null && data.hasExtra(RESULT_FILTERS_KEY)) {
 169                         FilterDto dto = Parcels.unwrap(data.getParcelableExtra(RESULT_FILTERS_KEY));
 170                         getPresenter().updateFilters(dto);
 171                 }
 172                 super.onActivityResult(requestCode, resultCode, data);
 173
 174         }
 175
 176         @Override
 177         public void onDestroyView() {
 178                 rvBooks.removeOnScrollListener(rvBooksScrollListener);
 179                 super.onDestroyView();
 180         }
 181
 182         @OnClick(R.id.ibClearFilters)
 183         public void onClearFiltersClick() {
 184                 filtersAdapter.setItems(new ArrayList<>());
 185                 rlFiltersContainer.setVisibility(View.GONE);
 186                 getPresenter().clearFilters();
 187         }
 188
 189         @OnClick(R.id.btnReloadMore)
 190         public void onReloadMoreClicked() {
 191                 btnReloadMore.setVisibility(View.GONE);
 192                 pbLoadMore.setVisibility(View.VISIBLE);
 193
 194                 BookModel lastItem = searchAdapter.getItem(searchAdapter.getItemCount() - 1);
 195                 getPresenter().loadMoreBooks(lastItem.getKey());
 196         }
 197
 198         @Override
 199         public void setData(List<BookModel> books, boolean reload) {
 200                 if (reload) {
 201                         rvBooks.setItems(books);
 202                 } else {
 203                         rvBooks.addItems(books);
 204                 }
 205         }
 206
 207         @Override
 208         public void setInitialProgressVisible(boolean visible) {
 209                 rvBooksScrollListener.reset();
 210                 searchAdapter.clear();
 211                 rvBooks.setProgressVisible(visible);
 212         }
 213
 214         @Override
 215         public void setLoadMoreProgressVisible(boolean visible) {
 216                 pbLoadMore.setVisibility(visible ? View.VISIBLE : View.GONE);
 217         }
 218
 219         @Override
 220         public void showError(Exception e, boolean loadMore) {
 221                 Toast.makeText(getContext(), R.string.loading_results_failed, Toast.LENGTH_SHORT).show();
 222                 if (loadMore) {
 223                         btnReloadMore.setVisibility(View.VISIBLE);
 224                 } else {
 225                         searchAdapter.clear();
 226                         rvBooks.showRetryButton(() -> getPresenter().retryInitialLoad());
 227                 }
 228         }
 229
 230         @Override
 231         public void presentBookDetails(String bookSlug) {
 232                 startActivity(new BookActivity.BookIntent(bookSlug, BookType.TYPE_DEFAULT, getContext()));
 233         }
 234
 235         @Override
 236         public void applyFilters(List<CategoryModel> filters) {
 237                 filtersAdapter.setItems(filters);
 238                 rlFiltersContainer.setVisibility((filters.size() > 0) ? View.VISIBLE : View.GONE);
 239         }
 240
 241         @Override
 242         public void displayFiltersView(FilterDto filters) {
 243                 FilterActivity.FilterIntent filterIntent = new FilterActivity.FilterIntent(getContext(), filters);
 244                 startActivityForResult(filterIntent, FILTERS_REQUEST_CODE);
 245         }
 246
 247         @Override
 248         public void updateFavouriteState(boolean state, Integer clickedPosition) {
 249                 if (clickedPosition != null) {
 250                         searchAdapter.getItem(clickedPosition).setLiked(state);
 251                         searchAdapter.notifyDataSetChanged();
 252                 }
 253         }
 254 }