libs-gui/Model/IMCustomObject.m

/*
   IMCustomObject.m

   Copyright (C) 1996 Free Software Foundation, Inc.

   Author: Ovidiu Predescu <ovidiu@net-community.com>
   Date: November 1997
   
   This file is part of the GNUstep GUI Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; see the file COPYING.LIB.
   If not, see <http://www.gnu.org/licenses/> or write to the 
   Free Software Foundation, 51 Franklin Street, Fifth Floor, 
   Boston, MA 02110-1301, USA.
*/

#include <Foundation/NSObjCRuntime.h>
#include "GNUstepGUI/GMArchiver.h"
#include "GNUstepGUI/IMCustomObject.h"

@implementation NSObject(ModelUnarchiving)

- (id)nibInstantiate
{
  return self;
}

@end


@implementation IMCustomObject

extern id _nibOwner;
extern BOOL _fileOwnerDecoded;

+ (id)createObjectForModelUnarchiver:(GMUnarchiver*)unarchiver
{
  IMCustomObject* customObject = [[self new] autorelease];
  Class class;

  if (!_fileOwnerDecoded) 
    {
      _fileOwnerDecoded = YES;
      customObject->className = [unarchiver decodeStringWithName:@"className"];
      customObject->extension = [unarchiver decodeObjectWithName:@"extension"];
      customObject->realObject = [unarchiver decodeObjectWithName:@"realObject"];
      customObject->realObject = _nibOwner;
      return customObject;
    }
  
  customObject->className = [unarchiver decodeStringWithName:@"className"];
  customObject->extension = [unarchiver decodeObjectWithName:@"extension"];
  customObject->realObject = [unarchiver decodeObjectWithName:@"realObject"];

  class = NSClassFromString (customObject->className);
  if (class)
    {
      customObject->realObject = [[class alloc] init];
    }
  else 
    {
      NSLog (@"Class %@ not linked into application!", 
	     customObject->className);
    }

  return customObject;
}

- (id)nibInstantiate
{
  return realObject;
}

- (void)encodeWithModelArchiver: (GMArchiver*)archiver
{
  [archiver encodeString:className withName:@"className"];
  if (realObject)
    {
      [archiver encodeObject:realObject withName:@"realObject"];
    }
  if (extension)
    {
      [archiver encodeObject:extension withName:@"extension"];
    }
}

- (id)initWithModelUnarchiver: (GMUnarchiver*)unarchiver
{
  return self;
}

@end


@implementation IMCustomView

+ (id)createObjectForModelUnarchiver: (GMUnarchiver*)unarchiver
{
  IMCustomView* customView = [[self new] autorelease];
  Class class;

  if (!_fileOwnerDecoded) 
    {
      _fileOwnerDecoded = YES;
      customView->className = [unarchiver decodeStringWithName: @"className"];
      customView->extension = [unarchiver decodeObjectWithName: @"extension"];
      customView->realObject = [unarchiver decodeObjectWithName: @"realObject"];
      customView->realObject = _nibOwner;
      [customView setFrame: [unarchiver decodeRectWithName: @"frame"]];
      
      return customView;
    }
  
  customView->className = [unarchiver decodeStringWithName: @"className"];
  customView->extension = [unarchiver decodeObjectWithName: @"extension"];
  customView->realObject = [unarchiver decodeObjectWithName: @"realObject"];
  [customView setFrame: [unarchiver decodeRectWithName: @"frame"]];
  
  class = NSClassFromString (customView->className);
  if (class)
    {
      customView->realObject = [[class alloc] initWithFrame: 
						[customView frame]];
    }
  else 
    {
      NSLog (@"Class %@ not linked into application!", customView->className);
    }
  
  return customView->realObject;
  return customView;
}

- (id)nibInstantiate
{
  return realObject;
}

- (void)encodeWithModelArchiver:(GMArchiver*)archiver
{
  [archiver encodeString: className  withName: @"className"];
  [archiver encodeRect: [self frame]  withName: @"frame"];

  if (realObject)
    {
      [archiver encodeObject:realObject withName:@"realObject"];
    }
  if (extension)
    {
      [archiver encodeObject:extension withName:@"extension"];
    }
}

- (id)initWithModelUnarchiver:(GMUnarchiver*)unarchiver
{
  return self;
}

@end