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{
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Author: Mattias Gaertner
Abstract:
TCustomNonFormDesignerForm is a base designer form for non form components (TDataModule, TFrame).
}
unit CustomNonFormDesigner;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils,
FormEditingIntf;
type
{ TCustomNonFormDesignerForm }
TCustomNonFormDesignerForm = class(TInterfacedObject, INonFormDesigner)
private
FNonFormProxyDesignerForm: TNonFormProxyDesignerForm;
FOnLoadBounds: TNotifyEvent;
FOnSaveBounds: TNotifyEvent;
protected
function GetLookupRoot: TComponent; virtual;
procedure SetLookupRoot(const AValue: TComponent); virtual;
procedure Notification(AComponent: TComponent; Operation: TOperation); virtual;
public
procedure Create; virtual; overload;
constructor Create(ANonFormProxyDesignerForm: TNonFormProxyDesignerForm); virtual; overload;
destructor Destroy; override;
procedure DoLoadBounds; virtual;
procedure DoSaveBounds; virtual;
procedure SetBounds({%H-}ALeft, {%H-}ATop, {%H-}AWidth, {%H-}AHeight: integer); virtual;
procedure Paint; virtual;
public
property LookupRoot: TComponent read GetLookupRoot write SetLookupRoot;
property NonFormProxyDesignerForm: TNonFormProxyDesignerForm read FNonFormProxyDesignerForm;
property OnLoadBounds: TNotifyEvent read FOnLoadBounds write FOnLoadBounds;
property OnSaveBounds: TNotifyEvent read FOnSaveBounds write FOnSaveBounds;
end;
function CompareNonFormDesignerForms(Data1, Data2: Pointer): integer;
function CompareLookupRootAndNonFormDesignerForm(Key, Data: Pointer): integer;
implementation
function CompareNonFormDesignerForms(Data1, Data2: Pointer): integer;
var
Form1: INonFormDesigner;
Form2: INonFormDesigner;
begin
Form1 := TNonFormProxyDesignerForm(Data1) as INonFormDesigner;
Form2 := TNonFormProxyDesignerForm(Data2) as INonFormDesigner;
Result := PtrInt(Form1.LookupRoot) - PtrInt(Form2.LookupRoot);
end;
function CompareLookupRootAndNonFormDesignerForm(Key, Data: Pointer): integer;
var
LookupRoot: TComponent;
Form: INonFormDesigner;
begin
LookupRoot := TComponent(Key);
Form := TNonFormProxyDesignerForm(Data) as INonFormDesigner;
Result := PtrInt(LookupRoot) - PtrInt(Form.LookupRoot);
end;
{ TCustomNonFormDesignerForm }
function TCustomNonFormDesignerForm.GetLookupRoot: TComponent;
begin
Result := FNonFormProxyDesignerForm.LookupRoot;
end;
procedure TCustomNonFormDesignerForm.SetLookupRoot(const AValue: TComponent);
begin
if FNonFormProxyDesignerForm.LookupRoot = AValue then
Exit;
if FNonFormProxyDesignerForm.LookupRoot<>nil then
FNonFormProxyDesignerForm.LookupRoot.RemoveFreeNotification(FNonFormProxyDesignerForm);
DoSaveBounds;
FNonFormProxyDesignerForm.LookupRoot := AValue;
if FNonFormProxyDesignerForm.LookupRoot <> nil then begin
FNonFormProxyDesignerForm.LookupRoot.FreeNotification(FNonFormProxyDesignerForm);
FNonFormProxyDesignerForm.Caption := FNonFormProxyDesignerForm.LookupRoot.Name;
end;
DoLoadBounds;
end;
procedure TCustomNonFormDesignerForm.Notification(AComponent: TComponent;
Operation: TOperation);
begin
if Operation=opRemove then begin
if AComponent=FNonFormProxyDesignerForm.LookupRoot then FNonFormProxyDesignerForm.LookupRoot:=nil;
end;
end;
constructor TCustomNonFormDesignerForm.Create(
ANonFormProxyDesignerForm: TNonFormProxyDesignerForm);
begin
FNonFormProxyDesignerForm := ANonFormProxyDesignerForm;
end;
destructor TCustomNonFormDesignerForm.Destroy;
begin
inherited Destroy;
end;
procedure TCustomNonFormDesignerForm.Create;
begin
inherited Create;
end;
procedure TCustomNonFormDesignerForm.DoLoadBounds;
begin
if Assigned(OnLoadBounds) then
OnLoadBounds(Self);
end;
procedure TCustomNonFormDesignerForm.DoSaveBounds;
begin
if Assigned(OnSaveBounds) then
OnSaveBounds(Self);
end;
procedure TCustomNonFormDesignerForm.SetBounds(ALeft, ATop, AWidth,
AHeight: integer);
begin
end;
procedure TCustomNonFormDesignerForm.Paint;
begin
end;
end.
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