dded basic support for the controller classes from Cocoa.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@24218 72102866-910b-0410-8b05-ffd578937521

Source/NSUserDefaultsController.m

@@ -0,0 +1,114 @@
+/** <title>NSUserDefaultsController</title>
+
+   <abstract>Controller class for user defaults</abstract>
+
+   Copyright <copy>(C) 2006 Free Software Foundation, Inc.</copy>
+
+   Author: Fred Kiefer <fredkiefer@gmx.de>
+   Date: September 2006
+
+   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 Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, write to the Free Software Foundation,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+#include <Foundation/NSDictionary.h>
+#include <Foundation/NSUserDefaults.h>
+#include <AppKit/NSUserDefaultsController.h>
+
+static id shared = nil;
+
+@implementation NSUserDefaultsController
+
++ (id) sharedUserDefaultsController
+{
+  if (shared == nil)
+    {
+	shared = [[NSUserDefaultsController alloc] 
+		     initWithDefaults: nil
+		     initialValues: nil];    
+    }
+  return shared;
+}
+
+- (id) initWithDefaults: (NSUserDefaults*)defaults
+          initialValues: (NSDictionary*)initialValues
+{
+  if ((self = [super init]) != nil)
+    {
+      if (defaults == nil)
+	{
+	  defaults = [NSUserDefaults standardUserDefaults];
+	}
+	
+      ASSIGN(_defaults, defaults);
+      [self setInitialValues: initialValues];
+    }
+
+  return self;
+}
+
+- (NSUserDefaults*) defaults
+{
+  return _defaults;
+}
+
+- (id) values
+{
+  // TODO
+  return nil;  
+}
+
+- (NSDictionary*) initialValues
+{
+  return _initial_values;
+}
+
+- (void) setInitialValues: (NSDictionary*)values
+{
+  ASSIGN(_initial_values, values);
+}
+
+- (BOOL) appliesImmediately
+{
+  return _applies_immediately;
+}
+
+- (void) setAppliesImmediately: (BOOL)flag
+{
+  _applies_immediately = flag; 
+}
+
+- (void) revert: (id)sender
+{
+  [self discardEditing];
+  if (![self appliesImmediately])
+    {
+      // TODO
+    } 
+}
+
+- (void) revertToInitialValues: (id)sender
+{
+  // TODO
+}
+
+- (void) save: (id)sender
+{
+  // TODO
+}
+
+@end