Added a fully working 'Album-only' view

src/screens/media_library.cpp

@@ -53,6 +53,7 @@ MediaLibrary *myLibrary;
 namespace {
 
 bool hasTwoColumns;
+bool isAlbumOnly;
 size_t itsLeftColStartX;
 size_t itsLeftColWidth;
 size_t itsMiddleColWidth;
@@ -73,12 +74,15 @@ std::string Date_(std::string date)
 MPD::SongIterator getSongsFromAlbum(const AlbumEntry &album)
 {
 	Mpd.StartSearch(true);
-	Mpd.AddSearch(Config.media_lib_primary_tag, album.entry().tag());
+	if (!isAlbumOnly)
+		Mpd.AddSearch(Config.media_lib_primary_tag, album.entry().tag());
 	if (!album.isAllTracksEntry())
 	{
 		Mpd.AddSearch(MPD_TAG_ALBUM, album.entry().album());
-		if (Config.media_library_albums_split_by_date)
+		if(!isAlbumOnly) {
-			Mpd.AddSearch(MPD_TAG_DATE, album.entry().date());
+			if (Config.media_library_albums_split_by_date)
+				Mpd.AddSearch(MPD_TAG_DATE, album.entry().date());
+		}
 	}
 	return Mpd.CommitSearchSongs();
 }
@@ -135,14 +139,14 @@ class SortAlbumEntries {
 	typedef MediaLibrary::Album Album;
 	
 	LocaleStringComparison m_cmp;
-	
+
 public:
 	SortAlbumEntries() : m_cmp(std::locale(), Config.ignore_leading_the) { }
 	
 	bool operator()(const AlbumEntry &a, const AlbumEntry &b) const {
 		return (*this)(a.entry(), b.entry());
 	}
-	
+
 	bool operator()(const Album &a, const Album &b) const {
 		if (Config.media_library_sort_by_mtime)
 			return a.mtime() > b.mtime();
@@ -182,6 +186,7 @@ MediaLibrary::MediaLibrary()
 , m_fetching_delay(boost::posix_time::milliseconds(Config.data_fetching_delay ? 250 : -1))
 {
 	hasTwoColumns = 0;
+	isAlbumOnly = 0;
 	itsLeftColWidth = COLS/3-1;
 	itsMiddleColWidth = COLS/3;
 	itsMiddleColStartX = itsLeftColWidth+1;
@@ -299,15 +304,28 @@ void MediaLibrary::update()
 				unsigned idx = 0;
 				while (!(tag = s->get(Config.media_lib_primary_tag, idx++)).empty())
 				{
-					auto key = std::make_tuple(
+					if (isAlbumOnly) {
-						std::move(tag),
+						auto key = std::make_tuple(
-						s->getAlbum(),
+							"",
-						Date_(s->getDate()));
+							s->getAlbum(),
-					auto it = albums.find(key);
+							"");
-					if (it == albums.end())
+						auto it = albums.find(key);
-						albums[std::move(key)] = s->getMTime();
+						if (it == albums.end())
-					else
+							albums[std::move(key)] = s->getMTime();
-						it->second = s->getMTime();
+						else
+							it->second = s->getMTime();
+					}
+					else {
+						auto key = std::make_tuple(
+							std::move(tag),
+							s->getAlbum(),
+							Date_(s->getDate()));
+						auto it = albums.find(key);
+						if (it == albums.end())
+							albums[std::move(key)] = s->getMTime();
+						else
+							it->second = s->getMTime();
+					}
 				}
 			}
 			size_t idx = 0;
@@ -873,7 +891,15 @@ void MediaLibrary::updateTimer()
 
 void MediaLibrary::toggleColumnsMode()
 {
-	hasTwoColumns = !hasTwoColumns;
+	if (isAlbumOnly) {
+		hasTwoColumns = 0;
+		isAlbumOnly = 0;
+	}
+	else if (hasTwoColumns)
+		isAlbumOnly = 1;
+	else
+		hasTwoColumns = 1;
+
 	Tags.clear();
 	Albums.clear();
 	Albums.reset();
@@ -886,8 +912,14 @@ void MediaLibrary::toggleColumnsMode()
 		{
 			std::string item_type = boost::locale::to_lower(
 				tagTypeToString(Config.media_lib_primary_tag));
-			std::string and_mtime = Config.media_library_sort_by_mtime ? " and mtime" : "";
+			if(!isAlbumOnly) {
-			Albums.setTitle("Albums (sorted by " + item_type + and_mtime + ")");
+				std::string and_mtime = Config.media_library_sort_by_mtime ? " and mtime" : "";
+				Albums.setTitle("Albums (sorted by " + item_type + and_mtime + ")");
+			}
+			else {
+				std::string and_mtime = Config.media_library_sort_by_mtime ? " (sorted by mtime)" : "";
+				Albums.setTitle("Albums" + and_mtime);
+			}
 		}
 	}
 	else
@@ -918,8 +950,14 @@ void MediaLibrary::toggleSortMode()
 		{
 			std::string item_type = boost::locale::to_lower(
 				tagTypeToString(Config.media_lib_primary_tag));
-			std::string and_mtime = Config.media_library_sort_by_mtime ? (" " "and mtime") : "";
+			if(!isAlbumOnly) {
-			Albums.setTitle("Albums (sorted by " + item_type + and_mtime + ")");
+				std::string and_mtime = Config.media_library_sort_by_mtime ? (" " "and mtime") : "";
+				Albums.setTitle("Albums (sorted by " + item_type + and_mtime + ")");
+			}
+			else {
+				std::string and_mtime = Config.media_library_sort_by_mtime ? " (sorted by mtime)" : "";
+				Albums.setTitle("Albums" + and_mtime);
+			}
 		}
 	}
 	else
@@ -1064,13 +1102,15 @@ std::string AlbumToString(const AlbumEntry &ae)
 	{
 		if (hasTwoColumns)
 		{
-			if (ae.entry().tag().empty())
+			if(!isAlbumOnly) {
-				result += Config.empty_tag;
+				if (ae.entry().tag().empty())
-			else
+					result += Config.empty_tag;
-				result += ae.entry().tag();
+				else
-			result += " - ";
+					result += ae.entry().tag();
+				result += " - ";
+			}
 		}
-		if (Config.media_lib_primary_tag != MPD_TAG_DATE && !ae.entry().date().empty())
+		if (Config.media_lib_primary_tag != MPD_TAG_DATE && !ae.entry().date().empty() && !isAlbumOnly)
 			result += "(" + ae.entry().date() + ") ";
 		result += ae.entry().album().empty() ? "<no album>" : ae.entry().album();
 	}