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{
Copyright (C) 2013-2018 Tim Sinaeve tim.sinaeve@gmail.com
Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
}
{$I Concepts.inc}
unit Concepts.Settings;
{ Provides access to application settings. }
interface
uses
System.Classes, System.IniFiles;
type
ISettings = interface
['{2C05F3B9-2416-4E4E-B336-13213554457C}']
function ReadString(
const ASection : string;
const AIdent : string;
const ADefault : string = ''
): string;
procedure WriteString(
const ASection : string;
const AIdent : string;
const AValue : string);
function ReadInteger(
const ASection : string;
const AIdent : string;
const ADefault : Integer = 0
) : Integer;
procedure WriteInteger(
const ASection : string;
const AIdent : string;
const AValue : Integer
);
function ReadBool(
const ASection : string;
const AIdent : string;
const ADefault : Boolean = False
) : Boolean;
procedure WriteBool(
const ASection : string;
const AIdent : string;
const AValue : Boolean
);
end;
function Settings: ISettings;
implementation
uses
System.SysUtils,
Vcl.Forms;
type
TSettings = class(TInterfacedObject, ISettings)
private
FIniFile : TIniFile;
public
procedure AfterConstruction; override;
procedure BeforeDestruction; override;
function ReadString(
const ASection : string;
const AIdent : string;
const ADefault : string = ''
): string;
procedure WriteString(
const ASection : string;
const AIdent : string;
const AValue : string);
function ReadInteger(
const ASection : string;
const AIdent : string;
const ADefault : Integer = 0
) : Integer;
procedure WriteInteger(
const ASection : string;
const AIdent : string;
const AValue : Integer
);
function ReadBool(
const ASection : string;
const AIdent : string;
const ADefault : Boolean = False
) : Boolean;
procedure WriteBool(
const ASection : string;
const AIdent : string;
const AValue : Boolean
);
end;
var
FSettings: ISettings;
function Settings: ISettings;
begin
if not Assigned(FSettings) then
FSettings := TSettings.Create;
Result := FSettings;
end;
{$REGION 'construction and destruction'}
procedure TSettings.AfterConstruction;
var
S : string;
begin
inherited;
S := ExtractFilePath(Application.ExeName) +
ExtractFileName(ChangeFileExt(Application.ExeName, '.ini'));
FIniFile := TIniFile.Create(S);
end;
procedure TSettings.BeforeDestruction;
begin
FIniFile.Free;
inherited;
end;
{$ENDREGION}
{$REGION 'public methods'}
function TSettings.ReadBool(const ASection, AIdent: string;
const ADefault: Boolean): Boolean;
begin
Result := FIniFile.ReadBool(ASection, AIdent, ADefault);
end;
function TSettings.ReadInteger(const ASection, AIdent: string;
const ADefault: Integer): Longint;
begin
Result := FIniFile.ReadInteger(ASection, AIdent, ADefault);
end;
function TSettings.ReadString(const ASection, AIdent, ADefault: string): string;
begin
Result := FIniFile.ReadString(ASection, AIdent, ADefault);
end;
procedure TSettings.WriteBool(const ASection, AIdent: string; const AValue: Boolean);
begin
FIniFile.WriteBool(ASection, AIdent, AValue);
end;
procedure TSettings.WriteInteger(const ASection, AIdent: string; const AValue: Integer);
begin
FIniFile.WriteInteger(ASection, AIdent, AValue);
end;
procedure TSettings.WriteString(const ASection, AIdent, AValue: string);
begin
FIniFile.WriteString(ASection, AIdent, AValue);
end;
{$ENDREGION}
end.