Incomplete changes

app/src/main/java/eu/kanade/mangafeed/data/database/DatabaseHelper.java

@@ -39,6 +39,7 @@ import eu.kanade.mangafeed.data.database.models.MangaSyncStorIOSQLitePutResolver
 import eu.kanade.mangafeed.data.database.resolvers.LibraryMangaGetResolver;
 import eu.kanade.mangafeed.data.database.tables.CategoryTable;
 import eu.kanade.mangafeed.data.database.tables.ChapterTable;
+import eu.kanade.mangafeed.data.database.tables.MangaCategoryTable;
 import eu.kanade.mangafeed.data.database.tables.MangaSyncTable;
 import eu.kanade.mangafeed.data.database.tables.MangaTable;
 import eu.kanade.mangafeed.data.mangasync.base.MangaSyncService;
@@ -98,7 +99,7 @@ public class DatabaseHelper {
                 .listOfObjects(Manga.class)
                 .withQuery(RawQuery.builder()
                         .query(LibraryMangaGetResolver.QUERY)
-                        .observesTables(MangaTable.TABLE, ChapterTable.TABLE, CategoryTable.TABLE)
+                        .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE)
                         .build())
                 .withGetResolver(LibraryMangaGetResolver.INSTANCE)
                 .prepare();

app/src/main/java/eu/kanade/mangafeed/data/database/models/Category.java

@@ -11,7 +11,7 @@ import eu.kanade.mangafeed.data.database.tables.CategoryTable;
 public class Category implements Serializable {
 
     @StorIOSQLiteColumn(name = CategoryTable.COLUMN_ID, key = true)
-    public Long id;
+    public Integer id;
 
     @StorIOSQLiteColumn(name = CategoryTable.COLUMN_NAME)
     public String name;

app/src/main/java/eu/kanade/mangafeed/data/database/models/Manga.java

@@ -58,7 +58,7 @@ public class Manga implements Serializable {
 
     public int unread;
 
-    public long category;
+    public int category;
 
     public Manga() {}
 

app/src/main/java/eu/kanade/mangafeed/data/database/models/MangaCategory.java

@@ -15,7 +15,7 @@ public class MangaCategory {
     public long manga_id;
 
     @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_CATEGORY_ID)
-    public long category_id;
+    public int category_id;
 
     public MangaCategory() {}
 

app/src/main/java/eu/kanade/mangafeed/data/database/resolvers/LibraryMangaGetResolver.java

@@ -53,7 +53,7 @@ public class LibraryMangaGetResolver extends MangaStorIOSQLiteGetResolver {
         manga.unread = cursor.getInt(unreadColumn);
 
         int categoryColumn = cursor.getColumnIndex(MangaTable.COLUMN_CATEGORY);
-        manga.category = cursor.getLong(categoryColumn);
+        manga.category = cursor.getInt(categoryColumn);
 
         return manga;
     }

app/src/main/java/eu/kanade/mangafeed/ui/library/LibraryCategoryAdapter.java

@@ -0,0 +1,69 @@
+package eu.kanade.mangafeed.ui.library;
+
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+
+import java.util.List;
+import java.util.Map;
+
+import eu.kanade.mangafeed.data.database.models.Category;
+import eu.kanade.mangafeed.data.database.models.Manga;
+import eu.kanade.mangafeed.ui.reader.viewer.common.SmartFragmentStatePagerAdapter;
+
+class LibraryCategoryAdapter extends SmartFragmentStatePagerAdapter {
+
+    private LibraryFragment fragment;
+    private List<Category> categories;
+    private Map<Integer, List<Manga>> mangas;
+
+    public LibraryCategoryAdapter(LibraryFragment fragment, FragmentManager fm) {
+        super(fm);
+        this.fragment = fragment;
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        Category category = categories.get(position);
+        return LibraryCategoryFragment.newInstance(fragment, category,
+                mangas != null ? mangas.get(category.id) : null);
+    }
+
+    @Override
+    public int getCount() {
+        return categories == null ? 0 : categories.size();
+    }
+
+    @Override
+    public CharSequence getPageTitle(int position) {
+        return categories.get(position).name;
+    }
+
+    public void setCategories(List<Category> categories) {
+        this.categories = categories;
+        notifyDataSetChanged();
+    }
+
+    public void setMangasOnCategories(Map<Integer, List<Manga>> mangas) {
+        this.mangas = mangas;
+        for (Map.Entry<Integer, List<Manga>> entry : mangas.entrySet()) {
+            LibraryCategoryFragment fragment = getFragment(entry.getKey());
+            if (fragment != null) {
+                fragment.setMangas(entry.getValue());
+            }
+        }
+    }
+
+    @Nullable
+    public LibraryCategoryFragment getFragment(int categoryId) {
+        if (categories != null) {
+            for (int i = 0; i < categories.size(); i++) {
+                if (categories.get(i).id == categoryId) {
+                    return (LibraryCategoryFragment) getRegisteredFragment(i);
+                }
+            }
+        }
+        return null;
+    }
+
+}

app/src/main/java/eu/kanade/mangafeed/ui/library/LibraryCategoryFragment.java

@@ -0,0 +1,75 @@
+package eu.kanade.mangafeed.ui.library;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.GridView;
+
+import java.util.List;
+
+import butterknife.Bind;
+import butterknife.ButterKnife;
+import butterknife.OnItemClick;
+import eu.kanade.mangafeed.R;
+import eu.kanade.mangafeed.data.database.models.Category;
+import eu.kanade.mangafeed.data.database.models.Manga;
+import eu.kanade.mangafeed.ui.base.fragment.BaseFragment;
+import eu.kanade.mangafeed.ui.manga.MangaActivity;
+
+public class LibraryCategoryFragment extends BaseFragment {
+
+    @Bind(R.id.gridView) GridView grid;
+
+    private LibraryFragment parent;
+    private LibraryAdapter adapter;
+    private Category category;
+    private List<Manga> mangas;
+
+    public static LibraryCategoryFragment newInstance(LibraryFragment parent, Category category,
+                                                      List<Manga> mangas) {
+        LibraryCategoryFragment fragment = new LibraryCategoryFragment();
+        fragment.initialize(parent, category, mangas);
+        return fragment;
+    }
+
+    private void initialize(LibraryFragment parent, Category category, List<Manga> mangas) {
+        this.parent = parent;
+        this.category = category;
+        this.mangas = mangas;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_library_category, container, false);
+        ButterKnife.bind(this, view);
+
+        adapter = new LibraryAdapter(parent);
+        grid.setAdapter(adapter);
+
+        if (mangas != null) {
+            setMangas(mangas);
+        }
+
+        return view;
+    }
+
+    @OnItemClick(R.id.gridView)
+    protected void onMangaClick(int position) {
+        Intent intent = MangaActivity.newIntent(
+                getActivity(),
+                adapter.getItem(position)
+        );
+        parent.getPresenter().onOpenManga();
+        getActivity().startActivity(intent);
+    }
+
+    public void setMangas(List<Manga> mangas) {
+        adapter.setNewItems(mangas);
+    }
+
+}

app/src/main/java/eu/kanade/mangafeed/ui/library/LibraryFragment.java

@@ -2,35 +2,34 @@ package eu.kanade.mangafeed.ui.library;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.widget.SearchView;
-import android.util.SparseBooleanArray;
-import android.view.ActionMode;
+import android.support.design.widget.TabLayout;
+import android.support.v4.view.ViewPager;
 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.GridView;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 import butterknife.Bind;
 import butterknife.ButterKnife;
-import butterknife.OnItemClick;
 import eu.kanade.mangafeed.R;
+import eu.kanade.mangafeed.data.database.models.Category;
 import eu.kanade.mangafeed.data.database.models.Manga;
 import eu.kanade.mangafeed.data.sync.LibraryUpdateService;
 import eu.kanade.mangafeed.ui.base.fragment.BaseRxFragment;
-import eu.kanade.mangafeed.ui.manga.MangaActivity;
 import nucleus.factory.RequiresPresenter;
-import rx.Observable;
 
 @RequiresPresenter(LibraryPresenter.class)
 public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
 
-    @Bind(R.id.gridView) GridView grid;
-    private LibraryAdapter adapter;
+    @Bind(R.id.tabs) TabLayout tabs;
+    @Bind(R.id.view_pager) ViewPager categoriesPager;
+    private LibraryCategoryAdapter adapter;
 
     public static LibraryFragment newInstance() {
         return new LibraryFragment();
@@ -50,8 +49,8 @@ public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
         setToolbarTitle(getString(R.string.label_library));
         ButterKnife.bind(this, view);
 
-        createAdapter();
-        setMangaLongClickListener();
+        adapter = new LibraryCategoryAdapter(this, getChildFragmentManager());
+        categoriesPager.setAdapter(adapter);
 
         return view;
     }
@@ -59,7 +58,6 @@ public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         inflater.inflate(R.menu.library, menu);
-        initializeSearch(menu);
     }
 
     @Override
@@ -77,83 +75,21 @@ public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
         return super.onOptionsItemSelected(item);
     }
 
-    private void initializeSearch(Menu menu) {
-        final SearchView sv = (SearchView) menu.findItem(R.id.action_search).getActionView();
-        sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
-            @Override
-            public boolean onQueryTextSubmit(String query) {
-                return true;
-            }
-
-            @Override
-            public boolean onQueryTextChange(String newText) {
-                adapter.getFilter().filter(newText);
-                return true;
-            }
-        });
+    public void onNextMangas(Map<Integer, List<Manga>> mangas) {
+        adapter.setMangasOnCategories(mangas);
     }
 
-    private void createAdapter() {
-        adapter = new LibraryAdapter(this);
-        grid.setAdapter(adapter);
-    }
+    public void onNextCategories(List<Category> categories) {
+        List<Category> actualCategories = new ArrayList<>();
 
-    public void onNextMangas(List<Manga> mangas) {
-        adapter.setNewItems(mangas);
-    }
-
-    @OnItemClick(R.id.gridView)
-    protected void onMangaClick(int position) {
-        Intent intent = MangaActivity.newIntent(
-                getActivity(),
-                adapter.getItem(position)
-        );
-        getActivity().startActivity(intent);
-    }
-
-    private void setMangaLongClickListener() {
-        grid.setMultiChoiceModeListener(new GridView.MultiChoiceModeListener() {
-            @Override
-            public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
-                mode.setTitle(getResources().getString(R.string.library_selection_title)
-                        + ": " + grid.getCheckedItemCount());
-            }
-
-            @Override
-            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-                MenuInflater inflater = mode.getMenuInflater();
-                inflater.inflate(R.menu.library_selection, menu);
-                return true;
-            }
-
-            @Override
-            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
-                return false;
-            }
-
-            @Override
-            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-                switch (item.getItemId()) {
-                    case R.id.action_delete:
-                        getPresenter().deleteMangas(getSelectedMangas());
-                        mode.finish();
-                        return true;
-                }
-                return false;
-            }
-
-            @Override
-            public void onDestroyActionMode(ActionMode mode) {
-
-            }
-        });
-    }
+        // TODO should we always add this?
+        Category defaultCat = Category.create("Default");
+        defaultCat.id = 0;
+        actualCategories.add(defaultCat);
 
-    private Observable<Manga> getSelectedMangas() {
-        SparseBooleanArray checkedItems = grid.getCheckedItemPositions();
-        return Observable.range(0, checkedItems.size())
-                .map(checkedItems::keyAt)
-                .map(adapter::getItem);
+        actualCategories.addAll(categories);
+        adapter.setCategories(actualCategories);
+        tabs.setupWithViewPager(categoriesPager);
     }
 
 }

app/src/main/java/eu/kanade/mangafeed/ui/library/LibraryPresenter.java

@@ -10,6 +10,7 @@ import javax.inject.Inject;
 
 import eu.kanade.mangafeed.data.cache.CoverCache;
 import eu.kanade.mangafeed.data.database.DatabaseHelper;
+import eu.kanade.mangafeed.data.database.models.Category;
 import eu.kanade.mangafeed.data.database.models.Manga;
 import eu.kanade.mangafeed.data.preference.PreferencesHelper;
 import eu.kanade.mangafeed.data.source.SourceManager;
@@ -25,18 +26,31 @@ public class LibraryPresenter extends BasePresenter<LibraryFragment> {
     @Inject CoverCache coverCache;
     @Inject SourceManager sourceManager;
 
-    private static final int GET_MANGAS = 1;
+    private static final int GET_CATEGORIES = 1;
+    private static final int GET_MANGAS = 2;
 
     @Override
     protected void onCreate(Bundle savedState) {
         super.onCreate(savedState);
 
+        restartableLatestCache(GET_CATEGORIES,
+                () -> db.getCategories().createObservable(),
+                LibraryFragment::onNextCategories);
+
         restartableLatestCache(GET_MANGAS,
-                () -> db.getLibraryMangas().createObservable()
-                        .observeOn(AndroidSchedulers.mainThread()),
+                this::getLibraryMangasObservable,
                 LibraryFragment::onNextMangas);
 
-        start(GET_MANGAS);
+        start(GET_CATEGORIES);
+    }
+
+    @Override
+    protected void onTakeView(LibraryFragment view) {
+        super.onTakeView(view);
+
+        if (!isSubscribed(GET_MANGAS)) {
+            start(GET_MANGAS);
+        }
     }
 
     public void deleteMangas(Observable<Manga> selectedMangas) {
@@ -48,12 +62,17 @@ public class LibraryPresenter extends BasePresenter<LibraryFragment> {
                 .subscribe());
     }
 
-    public Observable<Map<Long, List<Manga>>> getLibraryMangasObservable() {
+    public Observable<Map<Integer, List<Manga>>> getLibraryMangasObservable() {
         return db.getLibraryMangas().createObservable()
                 .flatMap(mangas -> Observable.from(mangas)
                         .groupBy(manga -> manga.category)
-                        .flatMap(group -> group.toList().map(list -> new Pair<>(group.getKey(), list)))
-                        .toMap(pair -> pair.first, pair -> pair.second));
+                        .flatMap(group -> group.toList()
+                                .map(list -> Pair.create(group.getKey(), list)))
+                        .toMap(pair -> pair.first, pair -> pair.second))
+                .observeOn(AndroidSchedulers.mainThread());
     }
 
+    public void onOpenManga() {
+        stop(GET_MANGAS);
+    }
 }

app/src/main/res/layout/fragment_library.xml

@@ -1,13 +1,32 @@
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <GridView
-        android:id="@+id/gridView"
-        style="@style/AppTheme.GridView"
-        android:choiceMode="multipleChoiceModal"
-        android:columnWidth="140dp"
-        tools:listitem="@layout/item_catalogue" />
-
-</FrameLayout>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:app="http://schemas.android.com/apk/res-auto"
+             xmlns:tools="http://schemas.android.com/tools"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             android:orientation="vertical">
+
+    <android.support.design.widget.AppBarLayout
+        android:id="@+id/appbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/ThemeOverlay.AppTheme.Dark">
+
+        <android.support.design.widget.TabLayout
+            android:id="@+id/tabs"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:theme="@style/ThemeOverlay.AppTheme.Dark"
+            app:tabGravity="fill"
+            android:background="@color/colorPrimary"
+            app:tabIndicatorColor="@color/white" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <android.support.v4.view.ViewPager
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:id="@+id/view_pager">
+
+    </android.support.v4.view.ViewPager>
+
+</LinearLayout>

app/src/main/res/layout/fragment_library_category.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:tools="http://schemas.android.com/tools"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent">
+
+    <GridView
+        android:id="@+id/gridView"
+        style="@style/AppTheme.GridView"
+        android:choiceMode="multipleChoiceModal"
+        android:columnWidth="140dp"
+        tools:listitem="@layout/item_catalogue" />
+
+</FrameLayout>