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author | k-m_schindler <k-m_schindler@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2008-08-27 14:59:38 +0000 |
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committer | k-m_schindler <k-m_schindler@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2008-08-27 14:59:38 +0000 |
commit | 16a6e6801fde495b2782e2e04a0cf055ce1e1516 (patch) | |
tree | 0dcfda2e6848b6157bfb51bb3037d52b595a22ae /src/Classes/UPlaylist.pas | |
parent | 873f177f08dc7c4fe2d7e50bbe7709df98e238d3 (diff) | |
download | usdx-16a6e6801fde495b2782e2e04a0cf055ce1e1516.tar.gz usdx-16a6e6801fde495b2782e2e04a0cf055ce1e1516.tar.xz usdx-16a6e6801fde495b2782e2e04a0cf055ce1e1516.zip |
rename Classes part1
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1307 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'src/Classes/UPlaylist.pas')
-rw-r--r-- | src/Classes/UPlaylist.pas | 490 |
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. |