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unit userpreferences;
{
$Id: userpreferences.pas,v 1.1 2004/09/30 22:35:47 savage Exp $
}
{******************************************************************************}
{ }
{ JEDI-SDL : Pascal units for SDL - Simple DirectMedia Layer }
{ Base Class for User Preferences }
{ }
{ The initial developer of this Pascal code was : }
{ Dominqiue Louis <Dominique@SavageSoftware.com.au> }
{ }
{ Portions created by Dominqiue Louis are }
{ Copyright (C) 2000 - 2001 Dominqiue Louis. }
{ }
{ }
{ Contributor(s) }
{ -------------- }
{ }
{ }
{ Obtained through: }
{ Joint Endeavour of Delphi Innovators ( Project JEDI ) }
{ }
{ You may retrieve the latest version of this file at the Project }
{ JEDI home page, located at http://delphi-jedi.org }
{ }
{ The contents of this file are used with permission, subject to }
{ the Mozilla Public License Version 1.1 (the "License"); you may }
{ not use this file except in compliance with the License. You may }
{ obtain a copy of the License at }
{ http://www.mozilla.org/MPL/MPL-1.1.html }
{ }
{ Software distributed under the License is distributed on an }
{ "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or }
{ implied. See the License for the specific language governing }
{ rights and limitations under the License. }
{ }
{ Description }
{ ----------- }
{ }
{ }
{ }
{ }
{ }
{ }
{ }
{ Requires }
{ -------- }
{ The SDL Runtime libraris on Win32 : SDL.dll on Linux : libSDL.so }
{ They are available from... }
{ http://www.libsdl.org . }
{ }
{ Programming Notes }
{ ----------------- }
{ }
{ }
{ }
{ }
{ Revision History }
{ ---------------- }
{ September 23 2004 - DL : Initial Creation }
{
$Log: userpreferences.pas,v $
Revision 1.1 2004/09/30 22:35:47 savage
Changes, enhancements and additions as required to get SoAoS working.
}
{******************************************************************************}
interface
uses
Classes;
type
TUserPreferences = class
private
FAutoSave: Boolean;
procedure CheckAutoSave;
protected
function GetDefaultBoolean( const Index : Integer ) : Boolean; virtual; abstract;
function GetBoolean( const Index : Integer ) : Boolean; virtual; abstract;
procedure SetBoolean( const Index : Integer; const Value : Boolean ); virtual;
function GetDefaultDateTime( const Index : Integer ) : TDateTime; virtual; abstract;
function GetDateTime( const Index : Integer ) : TDateTime; virtual; abstract;
procedure SetDateTime( const Index : Integer; const Value : TDateTime ); virtual;
function GetDefaultInteger( const Index : Integer ) : Integer; virtual; abstract;
function GetInteger( const Index : Integer ) : Integer; virtual; abstract;
procedure SetInteger( const Index : Integer; const Value : Integer ); virtual;
function GetDefaultFloat( const Index : Integer ) : single; virtual; abstract;
function GetFloat( const Index : Integer ) : single; virtual; abstract;
procedure SetFloat( const Index : Integer; const Value : single ); virtual;
function GetDefaultString( const Index : Integer ) : string; virtual; abstract;
function GetString( const Index : Integer ) : string; virtual; abstract;
procedure SetString( const Index : Integer; const Value : string ); virtual;
function GetDefaultBinaryStream( const Index : Integer ) : TStream; virtual; abstract;
function GetBinaryStream( const Index : Integer ) : TStream; virtual; abstract;
procedure SetBinaryStream( const Index : Integer; const Value : TStream ); virtual;
public
procedure Update; virtual; abstract;
constructor Create; virtual;
destructor Destroy; override;
property AutoSave : Boolean read FAutoSave write FAutoSave;
end;
implementation
{ TUserPreferences }
procedure TUserPreferences.CheckAutoSave;
begin
if FAutoSave then
Update;
end;
constructor TUserPreferences.Create;
begin
inherited;
FAutoSave := false;
end;
destructor TUserPreferences.Destroy;
begin
inherited;
end;
procedure TUserPreferences.SetBinaryStream( const Index : Integer; const Value : TStream );
begin
CheckAutoSave;
end;
procedure TUserPreferences.SetBoolean(const Index: Integer; const Value: Boolean);
begin
CheckAutoSave;
end;
procedure TUserPreferences.SetDateTime(const Index: Integer; const Value: TDateTime);
begin
CheckAutoSave;
end;
procedure TUserPreferences.SetFloat(const Index: Integer; const Value: single);
begin
CheckAutoSave;
end;
procedure TUserPreferences.SetInteger(const Index, Value: Integer);
begin
CheckAutoSave;
end;
procedure TUserPreferences.SetString(const Index: Integer; const Value: string);
begin
CheckAutoSave;
end;
end.
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