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https://github.com/gnustep/libs-gui.git
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2d01942e4b
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@32451 72102866-910b-0410-8b05-ffd578937521
139 lines
3.3 KiB
Objective-C
139 lines
3.3 KiB
Objective-C
/** <title>NSController</title>
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<abstract>abstract base class for controllers</abstract>
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Copyright <copy>(C) 2006 Free Software Foundation, Inc.</copy>
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Author: Fred Kiefer <fredkiefer@gmx.de>
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Date: June 2006
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#import <Foundation/NSArray.h>
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#import <Foundation/NSArchiver.h>
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#import <Foundation/NSKeyedArchiver.h>
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#import "AppKit/NSController.h"
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@implementation NSController
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- (id) init
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{
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if((self = [super init]) != nil)
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{
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_editors = [[NSMutableArray alloc] init];
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_declared_keys = [[NSMutableArray alloc] init];
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}
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return self;
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}
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- (void) dealloc
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{
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RELEASE(_editors);
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RELEASE(_declared_keys);
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[super dealloc];
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}
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- (void) encodeWithCoder: (NSCoder *)aCoder
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{
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if([aCoder allowsKeyedCoding])
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{
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[aCoder encodeObject: _declared_keys forKey: @"NSDeclaredKeys"];
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}
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else
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{
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[aCoder encodeObject: _declared_keys];
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}
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}
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- (id) initWithCoder: (NSCoder *)aDecoder
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{
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if((self = [super init]) != nil)
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{
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if([aDecoder allowsKeyedCoding])
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{
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ASSIGN(_declared_keys,[aDecoder decodeObjectForKey: @"NSDeclaredKeys"]);
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}
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else
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{
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ASSIGN(_declared_keys,[aDecoder decodeObject]);
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}
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}
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return self;
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}
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- (BOOL) isEditing
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{
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return [_editors count] > 0;
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}
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- (BOOL) commitEditing
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{
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unsigned c = [_editors count];
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unsigned i;
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for (i = 0; i < c; i++)
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{
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if (![[_editors objectAtIndex: i] commitEditing])
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{
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return NO;
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}
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}
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return YES;
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}
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- (void) commitEditingWithDelegate: (id)delegate
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didCommitSelector: (SEL)didCommitSelector
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contextInfo: (void*)contextInfo
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{
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unsigned c = [_editors count];
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unsigned i;
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for (i = 0; i < c; i++)
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{
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BOOL didCommit = [[_editors objectAtIndex: i] commitEditing];
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if (delegate != nil && didCommitSelector != NULL)
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{
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void (*meth)(id, SEL, id, BOOL, void*);
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meth = (void (*)(id, SEL, id, BOOL, void*))[delegate methodForSelector:
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didCommitSelector];
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if (meth)
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meth(delegate, didCommitSelector, self, didCommit, contextInfo);
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}
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}
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}
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- (void) discardEditing
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{
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[_editors makeObjectsPerformSelector: @selector(discardEditing)];
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}
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- (void) objectDidBeginEditing: (id)editor
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{
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[_editors addObject: editor];
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}
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- (void) objectDidEndEditing: (id)editor
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{
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[_editors removeObject: editor];
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}
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@end
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