100 lines
1.8 KiB
ObjectPascal
100 lines
1.8 KiB
ObjectPascal
unit Game.Base;
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interface
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uses
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System.Classes;
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type
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TCustomGame = class(TInterfacedPersistent)
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private
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FLocation: string;
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FLoaded: Boolean;
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FModified: Boolean;
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protected
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procedure PropertyChanged(const APropertyName: string); virtual;
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procedure DoLoad; virtual; abstract;
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procedure DoSave; virtual; abstract;
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public
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class function GameName: string; virtual; abstract;
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class function AutoDetect: TCustomGame; virtual;
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constructor Create(const ALocation: string); virtual;
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procedure Load; virtual;
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procedure Save; virtual;
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property Loaded: Boolean read FLoaded;
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property Location: string read FLocation;
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property Modified: Boolean read FModified;
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end;
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TCustomGameClass = class of TCustomGame;
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implementation
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uses
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System.Bindings.Helper,
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System.SysUtils;
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{ TCustomGame }
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constructor TCustomGame.Create(const ALocation: string);
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begin
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inherited Create;
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FLocation := IncludeTrailingPathDelimiter(ALocation);
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end;
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class function TCustomGame.AutoDetect: TCustomGame;
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begin
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Result := nil;
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end;
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procedure TCustomGame.Load;
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var
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wasModified: Boolean;
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begin
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wasModified := FModified;
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DoLoad;
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FLoaded := True;
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FModified := False;
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if wasModified then
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TBindings.Notify(Self, 'Modified');
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end;
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procedure TCustomGame.Save;
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var
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wasModified: Boolean;
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begin
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wasModified := FModified;
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DoSave;
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FModified := False;
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if wasModified then
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TBindings.Notify(Self, 'Modified');
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end;
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procedure TCustomGame.PropertyChanged(const APropertyName: string);
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begin
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if not FModified then
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begin
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FModified := True;
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TBindings.Notify(Self, 'Modified');
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end;
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TBindings.Notify(Self, APropertyName);
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end;
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end.
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