aboutsummaryrefslogtreecommitdiffstats
path: root/src/Classes/UPlaylist.pas
diff options
context:
space:
mode:
Diffstat (limited to 'src/Classes/UPlaylist.pas')
-rw-r--r--src/Classes/UPlaylist.pas490
1 files changed, 0 insertions, 490 deletions
diff --git a/src/Classes/UPlaylist.pas b/src/Classes/UPlaylist.pas
deleted file mode 100644
index c867c356..00000000
--- a/src/Classes/UPlaylist.pas
+++ /dev/null
@@ -1,490 +0,0 @@
-unit UPlaylist;
-
-interface
-
-{$IFDEF FPC}
- {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-
-uses
- USong;
-
-type
- TPlaylistItem = record
- Artist: String;
- Title: String;
- SongID: Integer;
- end;
-
- APlaylistItem = array of TPlaylistItem;
-
- TPlaylist = record
- Name: String;
- Filename: String;
- Items: APlaylistItem;
- end;
-
- APlaylist = array of TPlaylist;
-
- //----------
- //TPlaylistManager - Class for Managing Playlists (Loading, Displaying, Saving)
- //----------
- TPlaylistManager = class
- private
-
- public
- Mode: TSingMode; //Current Playlist Mode for SongScreen
- CurPlayList: Cardinal;
- CurItem: Cardinal;
-
- Playlists: APlaylist;
-
- constructor Create;
- Procedure LoadPlayLists;
- Function LoadPlayList(Index: Cardinal; Filename: String): Boolean;
- Procedure SavePlayList(Index: Cardinal);
-
- Procedure SetPlayList(Index: Cardinal);
-
- Function AddPlaylist(Name: String): Cardinal;
- Procedure DelPlaylist(const Index: Cardinal);
-
- Procedure AddItem(const SongID: Cardinal; const iPlaylist: Integer = -1);
- Procedure DelItem(const iItem: Cardinal; const iPlaylist: Integer = -1);
-
- Procedure GetNames(var PLNames: array of String);
- Function GetIndexbySongID(const SongID: Cardinal; const iPlaylist: Integer = -1): Integer;
- end;
-
- {Modes:
- 0: Standard Mode
- 1: Category Mode
- 2: PlayList Mode}
-
- var
- PlayListMan: TPlaylistManager;
-
-
-implementation
-
-uses USongs,
- ULog,
- UMain,
- //UFiles,
- UGraphic,
- UThemes,
- SysUtils;
-
-//----------
-//Create - Construct Class - Dummy for now
-//----------
-constructor TPlayListManager.Create;
-begin
- inherited;
- LoadPlayLists;
-end;
-
-//----------
-//LoadPlayLists - Load list of Playlists from PlayList Folder
-//----------
-Procedure TPlayListManager.LoadPlayLists;
-var
- SR: TSearchRec;
- Len: Integer;
- PlayListBuffer: TPlayList;
-begin
- SetLength(Playlists, 0);
-
- if FindFirst(PlayListPath + '*.upl', 0, SR) = 0 then
- begin
- repeat
- Len := Length(Playlists);
- SetLength(Playlists, Len +1);
-
- if not LoadPlayList (Len, Sr.Name) then
- SetLength(Playlists, Len)
- else
- begin
- // Sort the Playlists - Insertion Sort
- PlayListBuffer := Playlists[Len];
- Dec(Len);
- while (Len >= 0) AND (CompareText(Playlists[Len].Name, PlayListBuffer.Name) >= 0) do
- begin
- Playlists[Len+1] := Playlists[Len];
- Dec(Len);
- end;
- Playlists[Len+1] := PlayListBuffer;
- end;
-
- until FindNext(SR) <> 0;
- FindClose(SR);
- end;
-end;
-
-//----------
-//LoadPlayList - Load a Playlist in the Array
-//----------
-Function TPlayListManager.LoadPlayList(Index: Cardinal; Filename: String): Boolean;
- var
- F: TextFile;
- Line: String;
- PosDelimiter: Integer;
- SongID: Integer;
- Len: Integer;
-
- Function FindSong(Artist, Title: String): Integer;
- var I: Integer;
- begin
- Result := -1;
-
- For I := low(CatSongs.Song) to high(CatSongs.Song) do
- begin
- if (CatSongs.Song[I].Title = Title) AND (CatSongs.Song[I].Artist = Artist) then
- begin
- Result := I;
- Break;
- end;
- end;
- end;
-begin
- if not FileExists(PlayListPath + Filename) then
- begin
- Log.LogError('Could not load Playlist: ' + Filename);
- Result := False;
- Exit;
- end;
- Result := True;
-
- //Load File
- AssignFile(F, PlayListPath + FileName);
- Reset(F);
-
- //Set Filename
- PlayLists[Index].Filename := Filename;
- PlayLists[Index].Name := '';
-
- //Read Until End of File
- While not Eof(F) do
- begin
- //Read Curent Line
- Readln(F, Line);
-
- if (Length(Line) > 0) then
- begin
- PosDelimiter := Pos(':', Line);
- if (PosDelimiter <> 0) then
- begin
- //Comment or Name String
- if (Line[1] = '#') then
- begin
- //Found Name Value
- if (Uppercase(Trim(copy(Line, 2, PosDelimiter - 2))) = 'NAME') then
- PlayLists[Index].Name := Trim(copy(Line, PosDelimiter + 1,Length(Line) - PosDelimiter))
-
- end
- //Song Entry
- else
- begin
- SongID := FindSong(Trim(copy(Line, 1, PosDelimiter - 1)), Trim(copy(Line, PosDelimiter + 1, Length(Line) - PosDelimiter)));
- if (SongID <> -1) then
- begin
- Len := Length(PlayLists[Index].Items);
- SetLength(PlayLists[Index].Items, Len + 1);
-
- PlayLists[Index].Items[Len].SongID := SongID;
-
- PlayLists[Index].Items[Len].Artist := Trim(copy(Line, 1, PosDelimiter - 1));
- PlayLists[Index].Items[Len].Title := Trim(copy(Line, PosDelimiter + 1, Length(Line) - PosDelimiter));
- end
- else Log.LogError('Could not find Song in Playlist: ' + PlayLists[Index].Filename + ', ' + Line);
- end;
- end;
- end;
- end;
-
- //If no special name is given, use Filename
- if PlayLists[Index].Name = '' then
- begin
- PlayLists[Index].Name := ChangeFileExt(FileName, '');
- end;
-
- //Finish (Close File)
- CloseFile(F);
-end;
-
-//----------
-//SavePlayList - Saves the specified Playlist
-//----------
-Procedure TPlayListManager.SavePlayList(Index: Cardinal);
-var
- F: TextFile;
- I: Integer;
-begin
- if (Not FileExists(PlaylistPath + Playlists[Index].Filename)) OR (Not FileisReadOnly(PlaylistPath + Playlists[Index].Filename)) then
- begin
-
- //open File for Rewriting
- AssignFile(F, PlaylistPath + Playlists[Index].Filename);
- try
- try
- Rewrite(F);
-
- //Write Version (not nessecary but helpful)
- WriteLn(F, '######################################');
- WriteLn(F, '#Ultrastar Deluxe Playlist Format v1.0');
- WriteLn(F, '#Playlist "' + Playlists[Index].Name + '" with ' + InttoStr(Length(Playlists[Index].Items)) + ' Songs.');
- WriteLn(F, '######################################');
-
- //Write Name Information
- WriteLn(F, '#Name: ' + Playlists[Index].Name);
-
- //Write Song Information
- WriteLn(F, '#Songs:');
-
- For I := 0 to high(Playlists[Index].Items) do
- begin
- WriteLn(F, Playlists[Index].Items[I].Artist + ' : ' + Playlists[Index].Items[I].Title);
- end;
- except
- log.LogError('Could not write Playlistfile "' + Playlists[Index].Name + '"');
- end;
- finally
- CloseFile(F);
- end;
- end;
-end;
-
-//----------
-//SetPlayList - Display a Playlist in CatSongs
-//----------
-Procedure TPlayListManager.SetPlayList(Index: Cardinal);
-var
- I: Integer;
-begin
- If (Int(Index) > High(PlayLists)) then
- exit;
-
- //Hide all Songs
- For I := 0 to high(CatSongs.Song) do
- CatSongs.Song[I].Visible := False;
-
- //Show Songs in PL
- For I := 0 to high(PlayLists[Index].Items) do
- begin
- CatSongs.Song[PlayLists[Index].Items[I].SongID].Visible := True;
- end;
-
- //Set CatSongsMode + Playlist Mode
- CatSongs.CatNumShow := -3;
- Mode := smPlayListRandom;
-
- //Set CurPlaylist
- CurPlaylist := Index;
-
- //Show Cat in Topleft:
- ScreenSong.ShowCatTLCustom(Format(Theme.Playlist.CatText,[Playlists[Index].Name]));
-
- //Fix SongSelection
- ScreenSong.Interaction := 0;
- ScreenSong.SelectNext;
- ScreenSong.FixSelected;
-
- //Play correct Music
- ScreenSong.ChangeMusic;
-end;
-
-//----------
-//AddPlaylist - Adds a Playlist and Returns the Index
-//----------
-Function TPlayListManager.AddPlaylist(Name: String): Cardinal;
-var
- I: Integer;
-begin
- Result := Length(Playlists);
- SetLength(Playlists, Result + 1);
-
- // Sort the Playlists - Insertion Sort
- while (Result > 0) AND (CompareText(Playlists[Result - 1].Name, Name) >= 0) do
- begin
- Dec(Result);
- Playlists[Result+1] := Playlists[Result];
- end;
- Playlists[Result].Name := Name;
-
- I := 1;
- if (not FileExists(PlaylistPath + Name + '.upl')) then
- Playlists[Result].Filename := Name + '.upl'
- else
- begin
- repeat
- Inc(I);
- until not FileExists(PlaylistPath + Name + InttoStr(I) + '.upl');
- Playlists[Result].Filename := Name + InttoStr(I) + '.upl';
- end;
-
- //Save new Playlist
- SavePlayList(Result);
-end;
-
-//----------
-//DelPlaylist - Deletes a Playlist
-//----------
-Procedure TPlayListManager.DelPlaylist(const Index: Cardinal);
-var
- I: Integer;
- Filename: String;
-begin
- If Int(Index) > High(Playlists) then
- Exit;
-
- Filename := PlaylistPath + Playlists[Index].Filename;
-
- //If not FileExists or File is not Writeable then exit
- If (Not FileExists(Filename)) OR (FileisReadOnly(Filename)) then
- Exit;
-
-
- //Delete Playlist from FileSystem
- if Not DeleteFile(Filename) then
- Exit;
-
- //Delete Playlist from Array
- //move all PLs to the Hole
- For I := Index to High(Playlists)-1 do
- PlayLists[I] := PlayLists[I+1];
-
- //Delete last Playlist
- SetLength (Playlists, High(Playlists));
-
- //If Playlist is Displayed atm
- //-> Display Songs
- if (CatSongs.CatNumShow = -3) and (Index = CurPlaylist) then
- begin
- ScreenSong.UnLoadDetailedCover;
- ScreenSong.HideCatTL;
- CatSongs.SetFilter('', 0);
- ScreenSong.Interaction := 0;
- ScreenSong.FixSelected;
- ScreenSong.ChangeMusic;
- end;
-end;
-
-//----------
-//AddItem - Adds an Item to a specific Playlist
-//----------
-Procedure TPlayListManager.AddItem(const SongID: Cardinal; const iPlaylist: Integer);
-var
- P: Cardinal;
- Len: Cardinal;
-begin
- if iPlaylist = -1 then
- P := CurPlaylist
- else if (iPlaylist >= 0) AND (iPlaylist <= high(Playlists)) then
- P := iPlaylist
- else
- exit;
-
- if (Int(SongID) <= High(CatSongs.Song)) AND (NOT CatSongs.Song[SongID].Main) then
- begin
- Len := Length(Playlists[P].Items);
- SetLength(Playlists[P].Items, Len + 1);
-
- Playlists[P].Items[Len].SongID := SongID;
- Playlists[P].Items[Len].Title := CatSongs.Song[SongID].Title;
- Playlists[P].Items[Len].Artist := CatSongs.Song[SongID].Artist;
-
- //Save Changes
- SavePlayList(P);
-
- //Correct Display when Editing current Playlist
- if (CatSongs.CatNumShow = -3) and (P = CurPlaylist) then
- SetPlaylist(P);
- end;
-end;
-
-//----------
-//DelItem - Deletes an Item from a specific Playlist
-//----------
-Procedure TPlayListManager.DelItem(const iItem: Cardinal; const iPlaylist: Integer);
-var
- I: Integer;
- P: Cardinal;
-begin
- if iPlaylist = -1 then
- P := CurPlaylist
- else if (iPlaylist >= 0) AND (iPlaylist <= high(Playlists)) then
- P := iPlaylist
- else
- exit;
-
- if (Int(iItem) <= high(Playlists[P].Items)) then
- begin
- //Move all entrys behind deleted one to Front
- For I := iItem to High(Playlists[P].Items) - 1 do
- Playlists[P].Items[I] := Playlists[P].Items[I + 1];
-
- //Delete Last Entry
- SetLength(PlayLists[P].Items, Length(PlayLists[P].Items) - 1);
-
- //Save Changes
- SavePlayList(P);
- end;
-
- //Delete Playlist if Last Song is deleted
- if (Length(PlayLists[P].Items) = 0) then
- begin
- DelPlaylist(P);
- end
- //Correct Display when Editing current Playlist
- else if (CatSongs.CatNumShow = -3) and (P = CurPlaylist) then
- SetPlaylist(P);
-end;
-
-//----------
-//GetNames - Writes Playlist Names in a Array
-//----------
-Procedure TPlayListManager.GetNames(var PLNames: array of String);
-var
- I: Integer;
- Len: Integer;
-begin
- Len := High(Playlists);
-
- if (Length(PLNames) <> Len + 1) then
- exit;
-
- For I := 0 to Len do
- PLNames[I] := Playlists[I].Name;
-end;
-
-//----------
-//GetIndexbySongID - Returns Index in the specified Playlist of the given Song
-//----------
-Function TPlayListManager.GetIndexbySongID(const SongID: Cardinal; const iPlaylist: Integer): Integer;
-var
- P: Integer;
- I: Integer;
-begin
- Result := -1;
-
- if iPlaylist = -1 then
- P := CurPlaylist
- else if (iPlaylist >= 0) AND (iPlaylist <= high(Playlists)) then
- P := iPlaylist
- else
- exit;
-
- For I := 0 to high(Playlists[P].Items) do
- begin
- if (Playlists[P].Items[I].SongID = Int(SongID)) then
- begin
- Result := I;
- Break;
- end;
- end;
-end;
-
-end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 13:00:38 +0000