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

Headers/AppKit/NSObjectController.h

@@ -0,0 +1,99 @@
+/** <title>NSObjectController</title>
+
+   <abstract>Controller class</abstract>
+
+   Copyright <copy>(C) 2006 Free Software Foundation, Inc.</copy>
+
+   Author: Fred Kiefer <fredkiefer@gmx.de>
+   Date: June 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.
+*/
+
+#ifndef _GNUstep_H_NSObjectController
+#define _GNUstep_H_NSObjectController
+
+#include <AppKit/NSController.h>
+#include <AppKit/NSMenuItem.h>
+
+#if OS_API_VERSION(100300,GS_API_LATEST)
+
+@class NSArray;
+@class NSMutableArray;
+@class NSString;
+@class NSPredicate;
+@class NSError;
+@class NSFetchRequest;
+@class NSManagedObjectContext;
+
+@interface NSObjectController : NSController
+{
+  Class _object_class;
+  id _content;
+  NSMutableArray *_selection;
+  NSString *_entity_name_key;
+  NSPredicate *_fetch_predicate;
+  NSManagedObjectContext *_managed_object_context;
+  BOOL _is_editable;
+  BOOL _automatically_prepares_content;
+}
+
+- (id) initWithContent: (id)content;
+- (id) content;
+- (void) setContent: (id)content;
+- (Class) objectClass;
+- (void) setObjectClass: (Class)class;
+
+- (id) newObject;
+- (void) prepareContent;
+- (BOOL) automaticallyPreparesContent;
+- (void) setAutomaticallyPreparesContent: (BOOL)flag;
+
+- (void) add: (id)sender;
+- (void) addObject: (id)obj;
+- (void) remove: (id)sender;
+- (void) removeObject: (id)obj;
+- (BOOL) canAdd;
+- (BOOL) canRemove;
+
+- (BOOL) isEditable;
+- (void) setEditable: (BOOL)flag;
+
+- (NSArray*) selectedObjects;
+- (id) selection;
+
+- (BOOL) validateMenuItem: (id <NSMenuItem>)item;
+
+#if OS_API_VERSION(100400,GS_API_LATEST)
+- (NSString*) entityNameKey;
+- (void) setEntityName: (NSString*)entityName;
+- (NSPredicate*) fetchPredicate;
+- (void) setFetchPredicate: (NSPredicate*)predicate;
+- (void) fetch: (id)sender;
+- (BOOL) fetchWithRequest: (NSFetchRequest*)fetchRequest
+                    merge: (BOOL)merge
+                    error: (NSError**)error;
+- (NSManagedObjectContext*) managedObjectContext;
+- (void) setManagedObjectContext: (NSManagedObjectContext*)managedObjectContext;
+#endif //OS_API_VERSION
+
+@end
+
+#endif // OS_API_VERSION
+
+#endif // _GNUstep_H_NSObjectController