123 lines
2.7 KiB
ObjectPascal
123 lines
2.7 KiB
ObjectPascal
unit uSettings;
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interface
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uses Classes;
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{$M+}
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type
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TCustomSettings = class
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private
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FFileName: string;
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procedure LoadFromStream(const Stream: TStream) ;
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procedure SaveToStream(const Stream: TStream) ;
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public
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procedure LoadFromFile() ;
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procedure SaveToFile() ;
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end;
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TSettings = class(TCustomSettings)
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private
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FTranspMode: Integer;
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FStretchMode: Boolean;
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FLastDir: string;
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public
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constructor Create(const DirPath: string);
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published
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property TranspMode: Integer read FTranspMode write FTranspMode;
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property StretchMode: Boolean read FStretchMode write FStretchMode;
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property LastDir: string read FLastDir write FLastDir;
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end;
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implementation
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uses TypInfo, Sysutils;
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{ TSettings }
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procedure TCustomSettings.LoadFromFile() ;
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var
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Stream: TStream;
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begin
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if not FileExists(FFileName) then Exit;
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Stream := TFileStream.Create(FFileName, fmOpenRead or fmShareDenyWrite) ;
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try
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LoadFromStream(Stream) ;
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finally
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Stream.Free;
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end;
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end;
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procedure TCustomSettings.LoadFromStream(const Stream: TStream) ;
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var
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Reader: TReader;
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PropName, PropValue: string;
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begin
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Reader := TReader.Create(Stream, $FFF) ;
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Stream.Position := 0;
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Reader.ReadListBegin;
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while not Reader.EndOfList do
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begin
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PropName := Reader.ReadString;
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PropValue := Reader.ReadString;
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SetPropValue(Self, PropName, PropValue) ;
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end;
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FreeAndNil(Reader) ;
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end;
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procedure TCustomSettings.SaveToFile() ;
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var
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Stream: TStream;
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begin
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Stream := TFileStream.Create(FFileName, fmCreate) ;
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try
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SaveToStream(Stream) ;
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finally
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Stream.Free;
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end;
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end;
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procedure TCustomSettings.SaveToStream(const Stream: TStream) ;
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var
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PropName, PropValue: string;
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cnt: Integer;
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lPropInfo: PPropInfo;
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lPropCount: Integer;
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lPropList: PPropList;
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lPropType: PPTypeInfo;
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Writer: TWriter;
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begin
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lPropCount := GetPropList(PTypeInfo(ClassInfo), lPropList) ;
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Writer := TWriter.Create(Stream, $FFF) ;
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Stream.Size := 0;
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Writer.WriteListBegin;
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for cnt := 0 to lPropCount - 1 do
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begin
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lPropInfo := lPropList^[cnt];
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lPropType := lPropInfo^.PropType;
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if lPropType^.Kind = tkMethod then Continue;
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PropName := lPropInfo.Name;
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PropValue := GetPropValue(Self, lPropInfo) ;
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Writer.WriteString(PropName) ;
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Writer.WriteString(PropValue) ;
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end;
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Writer.WriteListEnd;
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FreeAndNil(Writer) ;
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end;
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{ TSettings }
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constructor TSettings.Create(const DirPath: string);
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begin
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FFileName := IncludeTrailingPathDelimiter(DirPath) + 'settings.t2v';
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FTranspMode := 0;
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FStretchMode := False;
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end;
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end.
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