Added Android code

[wl-app.git] / Android / app / src / main / java / com / moiseum / wolnelektury / view / news / single / NewsFragment.java

diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/view/news/single/NewsFragment.java b/Android/app/src/main/java/com/moiseum/wolnelektury/view/news/single/NewsFragment.java
new file mode 100644 (file)
index 0000000..cc2e108
--- /dev/null
+++ b/Android/app/src/main/java/com/moiseum/wolnelektury/view/news/single/NewsFragment.java
@@ -0,0 +1,129 @@
+package com.moiseum.wolnelektury.view.news.single;
+
+import android.os.Bundle;
+import android.support.design.widget.AppBarLayout;
+import android.support.design.widget.CollapsingToolbarLayout;
+import android.support.v4.view.ViewPager;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.view.ViewTreeObserver;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.moiseum.wolnelektury.R;
+import com.moiseum.wolnelektury.base.mvp.PresenterFragment;
+import com.moiseum.wolnelektury.connection.models.NewsModel;
+import com.moiseum.wolnelektury.view.news.zoom.ZoomActivity;
+
+import org.parceler.Parcels;
+import org.sufficientlysecure.htmltextview.HtmlTextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.OnClick;
+import me.relex.circleindicator.CircleIndicator;
+
+/**
+ * Created by Piotr Ostrowski on 06.08.2018.
+ */
+public class NewsFragment extends PresenterFragment<NewsPresenter> implements NewsView {
+
+       private static final String NEWS_ARGUMENT_KEY = "NewsArgumentKey";
+       private static final int FIVE_PAGES = 5;
+
+       public static NewsFragment newInstance(NewsModel news) {
+               NewsFragment fragment = new NewsFragment();
+               Bundle args = new Bundle(1);
+               args.putParcelable(NEWS_ARGUMENT_KEY, Parcels.wrap(news));
+               fragment.setArguments(args);
+               return fragment;
+       }
+
+       @BindView(R.id.vpGallery)
+       ViewPager vpGallery;
+       @BindView(R.id.indicator)
+       CircleIndicator indicator;
+       @BindView(R.id.tvNewsTitle)
+       TextView tvNewsTitle;
+       @BindView(R.id.tvNewsTime)
+       TextView tvNewsTime;
+       @BindView(R.id.tvNewsPlace)
+       TextView tvNewsPlace;
+       @BindView(R.id.tvNewsBody)
+       HtmlTextView tvNewsBody;
+       @BindView(R.id.clMainView)
+       View clMainView;
+       @BindView(R.id.ctlCollapse)
+       CollapsingToolbarLayout ctlCollapse;
+       @BindView(R.id.llContentContainer)
+       LinearLayout llContentContainer;
+
+       @Override
+       public int getLayoutResourceId() {
+               return R.layout.fragment_single_news;
+       }
+
+       @Override
+       public void prepareView(View view, Bundle savedInstanceState) {
+               Toolbar toolbar = view.findViewById(R.id.bookToolbar);
+               setupToolbar(toolbar);
+       }
+
+       @Override
+       protected NewsPresenter createPresenter() {
+               if (getArguments() == null || getArguments().getParcelable(NEWS_ARGUMENT_KEY) == null) {
+                       throw new IllegalStateException("Fragment is missing arguments");
+               }
+               NewsModel news = Parcels.unwrap(getArguments().getParcelable(NEWS_ARGUMENT_KEY));
+               return new NewsPresenter(news, this);
+       }
+
+       @OnClick(R.id.fabShare)
+       public void onShareClick() {
+               getPresenter().onShareNewsClicked();
+       }
+
+       @Override
+       public void initializeNewsView(NewsModel news) {
+               ctlCollapse.setTitle(news.getTitle());
+               ctlCollapse.setExpandedTitleColor(getResources().getColor(android.R.color.transparent));
+               tvNewsTitle.setText(news.getTitle());
+               tvNewsTime.setText(news.getTime());
+               tvNewsPlace.setText(news.getPlace());
+               tvNewsBody.setHtml(news.getBody());
+
+               NewsGalleryAdapter galleryAdapter = new NewsGalleryAdapter(news.getGalleryUrl(), getContext());
+               vpGallery.setAdapter(galleryAdapter);
+               vpGallery.setOffscreenPageLimit(FIVE_PAGES);
+               indicator.setViewPager(vpGallery);
+               addDisposable(galleryAdapter.getPageClickObservable().subscribe(position -> {
+                       ArrayList<String> urls = new ArrayList<>(news.getGalleryUrl());
+                       startActivity(new ZoomActivity.ZoomIntent(urls, position, getContext()));
+               }));
+               enableToolbarCollapse();
+       }
+
+       @Override
+       public void startShareActivity(String shareUrl) {
+               showShareActivity(shareUrl);
+       }
+
+       private void enableToolbarCollapse() {
+               ViewTreeObserver viewTreeObserver = llContentContainer.getViewTreeObserver();
+               if (viewTreeObserver.isAlive()) {
+                       viewTreeObserver.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
+                               @Override
+                               public void onGlobalLayout() {
+                                       llContentContainer.getViewTreeObserver().removeOnGlobalLayoutListener(this);
+                                       if (ctlCollapse.getHeight() + llContentContainer.getHeight() > clMainView.getHeight()) {
+                                               AppBarLayout.LayoutParams params = (AppBarLayout.LayoutParams) ctlCollapse.getLayoutParams();
+                                               params.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_EXIT_UNTIL_COLLAPSED);
+                                               ctlCollapse.setLayoutParams(params);
+                                       }
+                               }
+                       });
+               }
+       }
+}