Set fastscroll section name correctly by sort preference

app/src/main/java/com/kabouzeid/gramophone/adapter/album/AlbumAdapter.java

@@ -26,6 +26,8 @@ import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
+import com.kabouzeid.gramophone.helper.SortOrder;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -186,7 +188,21 @@ public class AlbumAdapter extends AbsMultiSelectAdapter<AlbumAdapter.ViewHolder,
     @NonNull
     @Override
     public String getSectionName(int position) {
-        return MusicUtil.getSectionName(dataSet.get(position).getTitle());
+        @Nullable String sectionName = null;
+        switch (PreferenceUtil.getInstance(activity).getAlbumSortOrder()) {
+            case SortOrder.AlbumSortOrder.ALBUM_A_Z:
+            case SortOrder.AlbumSortOrder.ALBUM_Z_A:
+                sectionName = dataSet.get(position).getTitle();
+                break;
+            case SortOrder.AlbumSortOrder.ALBUM_ARTIST:
+                sectionName = dataSet.get(position).getArtistName();
+                break;
+            case SortOrder.AlbumSortOrder.ALBUM_YEAR:
+                sectionName = Integer.toString(dataSet.get(position).getYear());
+                break;
+        }
+
+        return MusicUtil.getSectionName(sectionName);
     }
 
     public class ViewHolder extends MediaEntryViewHolder {

app/src/main/java/com/kabouzeid/gramophone/adapter/artist/ArtistAdapter.java

@@ -19,12 +19,14 @@ import com.kabouzeid.gramophone.adapter.base.AbsMultiSelectAdapter;
 import com.kabouzeid.gramophone.adapter.base.MediaEntryViewHolder;
 import com.kabouzeid.gramophone.glide.ArtistGlideRequest;
 import com.kabouzeid.gramophone.glide.PhonographColoredTarget;
+import com.kabouzeid.gramophone.helper.SortOrder;
 import com.kabouzeid.gramophone.helper.menu.SongsMenuHelper;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.Artist;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView;
 
 import java.util.ArrayList;
@@ -173,7 +175,15 @@ public class ArtistAdapter extends AbsMultiSelectAdapter<ArtistAdapter.ViewHolde
     @NonNull
     @Override
     public String getSectionName(int position) {
-        return MusicUtil.getSectionName(dataSet.get(position).getName());
+        @Nullable String sectionName = null;
+        switch (PreferenceUtil.getInstance(activity).getArtistSortOrder()) {
+            case SortOrder.ArtistSortOrder.ARTIST_A_Z:
+            case SortOrder.ArtistSortOrder.ARTIST_Z_A:
+                sectionName = dataSet.get(position).getName();
+                break;
+        }
+
+        return MusicUtil.getSectionName(sectionName);
     }
 
     public class ViewHolder extends MediaEntryViewHolder {

app/src/main/java/com/kabouzeid/gramophone/adapter/song/SongAdapter.java

@@ -21,12 +21,14 @@ import com.kabouzeid.gramophone.adapter.base.MediaEntryViewHolder;
 import com.kabouzeid.gramophone.glide.PhonographColoredTarget;
 import com.kabouzeid.gramophone.glide.SongGlideRequest;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.helper.SortOrder;
 import com.kabouzeid.gramophone.helper.menu.SongMenuHelper;
 import com.kabouzeid.gramophone.helper.menu.SongsMenuHelper;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView;
 
 import java.util.ArrayList;
@@ -184,7 +186,29 @@ public class SongAdapter extends AbsMultiSelectAdapter<SongAdapter.ViewHolder, S
     @NonNull
     @Override
     public String getSectionName(int position) {
-        return showSectionName ? MusicUtil.getSectionName(dataSet.get(position).title) : "";
+        if (!showSectionName) {
+            return "";
+        }
+
+//        @Nullable String sectionName = null;
+//        switch (PreferenceUtil.getInstance(activity).getSongSortOrder()) {
+//            case SortOrder.SongSortOrder.SONG_A_Z:
+//            case SortOrder.SongSortOrder.SONG_Z_A:
+//                sectionName = dataSet.get(position).title;
+//                break;
+//            case SortOrder.SongSortOrder.SONG_ALBUM:
+//                sectionName = dataSet.get(position).albumName;
+//                break;
+//            case SortOrder.SongSortOrder.SONG_ARTIST:
+//                sectionName = dataSet.get(position).artistName;
+//                break;
+//            case SortOrder.SongSortOrder.SONG_YEAR:
+//                sectionName = Integer.toString(dataSet.get(position).year);
+//                break;
+//        }
+
+        String sectionName = dataSet.get(position).title;
+        return MusicUtil.getSectionName(sectionName);
     }
 
     public class ViewHolder extends MediaEntryViewHolder {

app/src/main/java/com/kabouzeid/gramophone/helper/SortOrder.java

@@ -60,7 +60,7 @@ public final class SortOrder {
                 + " DESC";
 
         /* Album sort order artist */
-        String ALBUM_ARTIST = MediaStore.Audio.Albums.ARTIST;
+        String ALBUM_ARTIST = MediaStore.Audio.Artists.DEFAULT_SORT_ORDER;
 
         /* Album sort order year */
         String ALBUM_YEAR = MediaStore.Audio.Albums.FIRST_YEAR + " DESC";
@@ -78,10 +78,10 @@ public final class SortOrder {
         String SONG_Z_A = SONG_A_Z + " DESC";
 
         /* Song sort order artist */
-        String SONG_ARTIST = MediaStore.Audio.Media.ARTIST;
+        String SONG_ARTIST = MediaStore.Audio.Artists.DEFAULT_SORT_ORDER;
 
         /* Song sort order album */
-        String SONG_ALBUM = MediaStore.Audio.Media.ALBUM;
+        String SONG_ALBUM = MediaStore.Audio.Albums.DEFAULT_SORT_ORDER;
 
         /* Song sort order year */
         String SONG_YEAR = MediaStore.Audio.Media.YEAR + " DESC";