Add reverse sort option for podcast episode lists

Author: symonbaikov

app/src/main/java/github/paroj/dsub2000/fragments/SelectDirectoryFragment.java

@@ -71,6 +71,7 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -278,6 +279,12 @@ public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
 						menu.removeItem(R.id.menu_download_all);
 					}
 				}
+
+				MenuItem reverseItem = menu.findItem(R.id.menu_reverse_sort);
+				if(reverseItem != null) {
+					reverseItem.setChecked(Util.getPreferences(context)
+						.getBoolean(Constants.PREFERENCES_KEY_REVERSE_PODCAST_SORT, false));
+				}
 			}
 		}
 
@@ -307,6 +314,16 @@ public boolean onOptionsItemSelected(MenuItem item) {
 			case R.id.menu_radio:
 				startArtistRadio(id);
 				return true;
+			case R.id.menu_reverse_sort:
+				SharedPreferences prefs = Util.getPreferences(context);
+				boolean newValue = !prefs.getBoolean(Constants.PREFERENCES_KEY_REVERSE_PODCAST_SORT, false);
+				prefs.edit().putBoolean(Constants.PREFERENCES_KEY_REVERSE_PODCAST_SORT, newValue).apply();
+				item.setChecked(newValue);
+				Collections.reverse(entries);
+				if(entryGridAdapter != null) {
+					entryGridAdapter.notifyDataSetChanged();
+				}
+				return true;
 		}
 
 		return super.onOptionsItemSelected(item);
@@ -708,6 +725,11 @@ private void finishLoading() {
 			recyclerView.setVisibility(View.VISIBLE);
 		}
 
+		if(podcastId != null && !entries.isEmpty()
+				&& Util.getPreferences(context).getBoolean(Constants.PREFERENCES_KEY_REVERSE_PODCAST_SORT, false)) {
+			Collections.reverse(entries);
+		}
+
 		if(albumListType == null || albumListType.startsWith("starred")) {
 			entryGridAdapter = new EntryGridAdapter(context, entries, getImageLoader(), largeAlbums);
 			entryGridAdapter.setRemoveFromPlaylist(playlistId != null);

app/src/main/java/github/paroj/dsub2000/util/Constants.java

@@ -147,6 +147,7 @@ public final class Constants {
 	public static final String PREFERENCES_KEY_BOOKMARKS_ENABLED = "bookmarksEnabled";
 	public static final String PREFERENCES_KEY_INTERNET_RADIO_ENABLED = "internetRadioEnabled";
 	public static final String PREFERENCES_KEY_CUSTOM_SORT_ENABLED = "customSortEnabled";
+	public static final String PREFERENCES_KEY_REVERSE_PODCAST_SORT = "reversePodcastSort";
 	public static final String PREFERENCES_KEY_MENU_PLAY_NOW = "showPlayNow";
 	public static final String PREFERENCES_KEY_MENU_PLAY_SHUFFLED = "showPlayShuffled";
 	public static final String PREFERENCES_KEY_MENU_PLAY_NEXT = "showPlayNext";

app/src/main/res/menu/select_podcast_episode.xml

@@ -14,7 +14,13 @@
 		android:id="@+id/menu_download_all"
 		android:title="@string/select_podcasts.server_download"/>
 
-	<item 
+	<item
 		android:id="@+id/menu_delete"
 		android:title="@string/menu.delete_cache"/>
+
+	<item
+		android:id="@+id/menu_reverse_sort"
+		android:title="@string/menu.reverse_sort"
+		android:checkable="true"
+		compat:showAsAction="never"/>
 </menu>

app/src/main/res/menu/select_podcast_episode_offline.xml

@@ -1,7 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
 		xmlns:compat="http://schemas.android.com/apk/res-auto">
-	<item 
+	<item
 		android:id="@+id/menu_delete"
 		android:title="@string/menu.delete_cache"/>
+
+	<item
+		android:id="@+id/menu_reverse_sort"
+		android:title="@string/menu.reverse_sort"
+		android:checkable="true"
+		compat:showAsAction="never"/>
 </menu>

app/src/main/res/values/strings.xml

@@ -90,6 +90,7 @@
 	<string name="menu.search">Search</string>
 	<string name="menu.shuffle">Shuffle</string>
 	<string name="menu.refresh">Refresh</string>
+	<string name="menu.reverse_sort">Newest first</string>
 	<string name="menu.play">Play</string>
 	<string name="menu.play_last">Play Last</string>
     <string name="menu.exit">Exit</string>