Componentes.Terceros.jvcl/official/3.39/run/JvFormPlacementSelectList.pas
2010-01-18 16:55:50 +00:00

142 lines
4.4 KiB
ObjectPascal

{-----------------------------------------------------------------------------
The contents of this file are 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 expressed or implied. See the License for
the specific language governing rights and limitations under the License.
The Initial Developers of the Original Code is: Jens Fudickar
All Rights Reserved.
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.delphi-jedi.org
Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvFormPlacementSelectList.pas 12461 2009-08-14 17:21:33Z obones $
unit JvFormPlacementSelectList;
{$I jvcl.inc}
interface
uses
{$IFDEF UNITVERSIONING}
JclUnitVersioning,
{$ENDIF UNITVERSIONING}
SysUtils, Classes,
JvAppStorage, JvFormPlacement, JvAppStorageSelectList;
type
TJvFormStorageSelectList = class (TJvAppStorageSelectList)
private
FFormStorage: TJvFormStorage;
protected
procedure SetFormStorage(Value: TJvFormStorage); virtual;
function GetAppStorage: TJvCustomAppStorage; override;
procedure SetAppStorage(Value: TJvCustomAppStorage); override;
function GetStoragePath: string; override;
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
public
function RestoreFormStorage(const ACaption: string = ''): Boolean;
function SaveFormStorage(const ACaption: string = ''): Boolean;
published
property FormStorage: TJvFormStorage read FFormStorage write SetFormStorage;
end;
{$IFDEF UNITVERSIONING}
const
UnitVersioning: TUnitVersionInfo = (
RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_39/run/JvFormPlacementSelectList.pas $';
Revision: '$Revision: 12461 $';
Date: '$Date: 2009-08-14 19:21:33 +0200 (ven., 14 août 2009) $';
LogPath: 'JVCL\run'
);
{$ENDIF UNITVERSIONING}
implementation
uses
JvConsts, JvJVCLUtils;
procedure TJvFormStorageSelectList.SetFormStorage(Value: TJvFormStorage);
begin
ReplaceComponentReference (Self, Value, TComponent(FFormStorage));
end;
function TJvFormStorageSelectList.GetAppStorage: TJvCustomAppStorage;
begin
if Assigned(FFormStorage) then
Result := FFormStorage.AppStorage
else
Result := nil;
end;
procedure TJvFormStorageSelectList.SetAppStorage(Value: TJvCustomAppStorage);
begin
if Assigned(FFormStorage) then
FFormStorage.AppStorage := Value;
end;
function TJvFormStorageSelectList.GetStoragePath: string;
begin
if Assigned(AppStorage) then
Result := AppStorage.ConcatPaths([FormStorage.AppStoragePath, SelectPath])
else
Result := FormStorage.AppStoragePath + PathDelim + SelectPath;
end;
procedure TJvFormStorageSelectList.Notification(AComponent: TComponent; Operation: TOperation);
begin
inherited Notification(AComponent, Operation);
if (Operation = opRemove) and (AComponent = FFormStorage) then
FFormStorage := nil;
end;
function TJvFormStorageSelectList.RestoreFormStorage(const ACaption: string = ''): Boolean;
var
OldPath: string;
begin
if Assigned(FormStorage) then
begin
OldPath := FormStorage.AppStoragePath;
FormStorage.AppStoragePath := GetSelectListPath(sloLoad, ACaption);
Result := FormStorage.AppStoragePath <> '';
if Result then
FormStorage.RestoreFormPlacement;
FormStorage.AppStoragePath := OldPath;
end
else
Result := False;
end;
function TJvFormStorageSelectList.SaveFormStorage(const ACaption: string = ''): Boolean;
var
OldPath: string;
begin
if Assigned(FormStorage) then
begin
OldPath := FormStorage.AppStoragePath;
FormStorage.AppStoragePath := GetSelectListPath(sloStore, ACaption);
Result := FormStorage.AppStoragePath <> '';
if Result then
FormStorage.SaveFormPlacement;
FormStorage.AppStoragePath := OldPath;
end
else
Result := False;
end;
{$IFDEF UNITVERSIONING}
initialization
RegisterUnitVersion(HInstance, UnitVersioning);
finalization
UnregisterUnitVersion(HInstance);
{$ENDIF UNITVERSIONING}
end.