Android/app/src/main/java/com/moiseum/wolnelektury/view/news/single/NewsFragment.java

   1 package com.moiseum.wolnelektury.view.news.single;
   2
   3 import android.os.Bundle;
   4 import android.support.design.widget.AppBarLayout;
   5 import android.support.design.widget.CollapsingToolbarLayout;
   6 import android.support.v4.view.ViewPager;
   7 import android.support.v7.widget.Toolbar;
   8 import android.view.View;
   9 import android.view.ViewTreeObserver;
  10 import android.widget.LinearLayout;
  11 import android.widget.TextView;
  12
  13 import com.moiseum.wolnelektury.R;
  14 import com.moiseum.wolnelektury.base.mvp.PresenterFragment;
  15 import com.moiseum.wolnelektury.connection.models.NewsModel;
  16 import com.moiseum.wolnelektury.view.news.zoom.ZoomActivity;
  17
  18 import org.parceler.Parcels;
  19 import org.sufficientlysecure.htmltextview.HtmlTextView;
  20
  21 import java.util.ArrayList;
  22 import java.util.List;
  23
  24 import butterknife.BindView;
  25 import butterknife.OnClick;
  26 import me.relex.circleindicator.CircleIndicator;
  27
  28 /**
  29  * Created by Piotr Ostrowski on 06.08.2018.
  30  */
  31 public class NewsFragment extends PresenterFragment<NewsPresenter> implements NewsView {
  32
  33         private static final String NEWS_ARGUMENT_KEY = "NewsArgumentKey";
  34         private static final int FIVE_PAGES = 5;
  35
  36         public static NewsFragment newInstance(NewsModel news) {
  37                 NewsFragment fragment = new NewsFragment();
  38                 Bundle args = new Bundle(1);
  39                 args.putParcelable(NEWS_ARGUMENT_KEY, Parcels.wrap(news));
  40                 fragment.setArguments(args);
  41                 return fragment;
  42         }
  43
  44         @BindView(R.id.vpGallery)
  45         ViewPager vpGallery;
  46         @BindView(R.id.indicator)
  47         CircleIndicator indicator;
  48         @BindView(R.id.tvNewsTitle)
  49         TextView tvNewsTitle;
  50         @BindView(R.id.tvNewsTime)
  51         TextView tvNewsTime;
  52         @BindView(R.id.tvNewsPlace)
  53         TextView tvNewsPlace;
  54         @BindView(R.id.tvNewsBody)
  55         HtmlTextView tvNewsBody;
  56         @BindView(R.id.clMainView)
  57         View clMainView;
  58         @BindView(R.id.ctlCollapse)
  59         CollapsingToolbarLayout ctlCollapse;
  60         @BindView(R.id.llContentContainer)
  61         LinearLayout llContentContainer;
  62
  63         @Override
  64         public int getLayoutResourceId() {
  65                 return R.layout.fragment_single_news;
  66         }
  67
  68         @Override
  69         public void prepareView(View view, Bundle savedInstanceState) {
  70                 Toolbar toolbar = view.findViewById(R.id.bookToolbar);
  71                 setupToolbar(toolbar);
  72         }
  73
  74         @Override
  75         protected NewsPresenter createPresenter() {
  76                 if (getArguments() == null || getArguments().getParcelable(NEWS_ARGUMENT_KEY) == null) {
  77                         throw new IllegalStateException("Fragment is missing arguments");
  78                 }
  79                 NewsModel news = Parcels.unwrap(getArguments().getParcelable(NEWS_ARGUMENT_KEY));
  80                 return new NewsPresenter(news, this);
  81         }
  82
  83         @OnClick(R.id.fabShare)
  84         public void onShareClick() {
  85                 getPresenter().onShareNewsClicked();
  86         }
  87
  88         @Override
  89         public void initializeNewsView(NewsModel news) {
  90                 ctlCollapse.setTitle(news.getTitle());
  91                 ctlCollapse.setExpandedTitleColor(getResources().getColor(android.R.color.transparent));
  92                 tvNewsTitle.setText(news.getTitle());
  93                 tvNewsTime.setText(news.getTime());
  94                 tvNewsPlace.setText(news.getPlace());
  95                 tvNewsBody.setHtml(news.getBody());
  96
  97                 NewsGalleryAdapter galleryAdapter = new NewsGalleryAdapter(news.getGalleryUrl(), getContext());
  98                 vpGallery.setAdapter(galleryAdapter);
  99                 vpGallery.setOffscreenPageLimit(FIVE_PAGES);
 100                 indicator.setViewPager(vpGallery);
 101                 addDisposable(galleryAdapter.getPageClickObservable().subscribe(position -> {
 102                         ArrayList<String> urls = new ArrayList<>(news.getGalleryUrl());
 103                         startActivity(new ZoomActivity.ZoomIntent(urls, position, getContext()));
 104                 }));
 105                 enableToolbarCollapse();
 106         }
 107
 108         @Override
 109         public void startShareActivity(String shareUrl) {
 110                 showShareActivity(shareUrl);
 111         }
 112
 113         private void enableToolbarCollapse() {
 114                 ViewTreeObserver viewTreeObserver = llContentContainer.getViewTreeObserver();
 115                 if (viewTreeObserver.isAlive()) {
 116                         viewTreeObserver.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
 117                                 @Override
 118                                 public void onGlobalLayout() {
 119                                         llContentContainer.getViewTreeObserver().removeOnGlobalLayoutListener(this);
 120                                         if (ctlCollapse.getHeight() + llContentContainer.getHeight() > clMainView.getHeight()) {
 121                                                 AppBarLayout.LayoutParams params = (AppBarLayout.LayoutParams) ctlCollapse.getLayoutParams();
 122                                                 params.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_EXIT_UNTIL_COLLAPSED);
 123                                                 ctlCollapse.setLayoutParams(params);
 124                                         }
 125                                 }
 126                         });
 127                 }
 128         }
 129 }