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/** <title>NSController</title>
<abstract>abstract base class for controllers</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 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.
*/
#import <Foundation/NSArray.h>
#import <Foundation/NSArchiver.h>
#import <Foundation/NSKeyedArchiver.h>
#import "AppKit/NSController.h"
@implementation NSController
- (id) init
{
if((self = [super init]) != nil)
{
_editors = [[NSMutableArray alloc] init];
_declared_keys = [[NSMutableArray alloc] init];
}
return self;
}
- (void) dealloc
{
RELEASE(_editors);
RELEASE(_declared_keys);
[super dealloc];
}
- (void) encodeWithCoder: (NSCoder *)aCoder
{
if([aCoder allowsKeyedCoding])
{
[aCoder encodeObject: _declared_keys forKey: @"NSDeclaredKeys"];
}
else
{
[aCoder encodeObject: _declared_keys];
}
}
- (id) initWithCoder: (NSCoder *)aDecoder
{
if((self = [super init]) != nil)
{
if([aDecoder allowsKeyedCoding])
{
ASSIGN(_declared_keys,[aDecoder decodeObjectForKey: @"NSDeclaredKeys"]);
}
else
{
ASSIGN(_declared_keys,[aDecoder decodeObject]);
}
}
return self;
}
- (BOOL) isEditing
{
return [_editors count] > 0;
}
- (BOOL) commitEditing
{
unsigned c = [_editors count];
unsigned i;
for (i = 0; i < c; i++)
{
if (![[_editors objectAtIndex: i] commitEditing])
{
return NO;
}
}
return YES;
}
- (void) commitEditingWithDelegate: (id)delegate
didCommitSelector: (SEL)didCommitSelector
contextInfo: (void*)contextInfo
{
unsigned c = [_editors count];
unsigned i;
for (i = 0; i < c; i++)
{
BOOL didCommit = [[_editors objectAtIndex: i] commitEditing];
if (delegate != nil && didCommitSelector != NULL)
{
void (*meth)(id, SEL, id, BOOL, void*);
meth = (void (*)(id, SEL, id, BOOL, void*))[delegate methodForSelector:
didCommitSelector];
if (meth)
meth(delegate, didCommitSelector, self, didCommit, contextInfo);
}
}
}
- (void) discardEditing
{
[_editors makeObjectsPerformSelector: @selector(discardEditing)];
}
- (void) objectDidBeginEditing: (id)editor
{
[_editors addObject: editor];
}
- (void) objectDidEndEditing: (id)editor
{
[_editors removeObject: editor];
}
@end
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