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b70ec2777a
(+objectDeallocated:): New private method. (+initialize): initialize _objectToAssociations. (-dealloc): Discard any pending notifications. (-establishConnection): Retain display groups we're bound to. Retain our self and register our object for dealloc notification. (-breakConnection): Release display groups we're bound to. Release our self and discard any pending notifications. (-subjectChanged): Add comment * EOInterface/EOColumnAssociation.m (-establishConnection): Assign our dg ivar after establishing connection. Use the dg ivar and move 2 if statements into one. * EOInterface/EODisplayGroup.m: Remove debugging class/category for emptyArray and emptyDictionary. (-indexesForObjectsIndeticalTo:): Fix typo by renaming to -indexesForObjectsIdenticalTo:. (-dealloc): Remove our self as an observer for any notifications, as an editor or message handler for our editing context, our observer proxies as observers from the observer center. Don't release array/dictionary ivars that are emptyArray or emptyDictionary. (-setSelectionIndexes:): Update to reflect change in method name. (-deleteSelection): Remove unused local var. (-fetch:): Call -redisplay. (-updatedObjectIndex:): Return -1 instead of 0 until this is implemented. (-setValue:forObject:key:): fix comment in exception handlers. * EOInterface/EOGenericControlAssociation.m: (-subjectChanged:): Remove unused local variable. * EOMasterDetailAssociation.m: (-establishConnection, -breakConnection, -subjectChanged): Implement. * EOInterface/EOPopUpAssociation.m: Remove unused local variables. * EOInterface/EOTableViewAssociation.m: (-breakConnection:): Remove our NSTableView object from the map table. (-subjectChanged:): Remove unused local variables. Release temporary retain on selection indexes. (+bindToTableView:displayGroup:): Don't retain the table views in the map table. Release the newly created association. (-dealloc): Remove self from the tvAssociationMap. * EOInterface/SubclassFlags.h: Fix bitmask on MatchKey1AspectMask. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@21439 72102866-910b-0410-8b05-ffd578937521
124 lines
2.9 KiB
Objective-C
124 lines
2.9 KiB
Objective-C
/**
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EOMasterDetailAssociation.m
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Copyright (C) 2004 Free Software Foundation, Inc.
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Author: David Ayers <d.ayers@inode.at>
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This file is part of the GNUstep Database Library
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The GNUstep Database Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU Lesser General Public License
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as published by the Free Software Foundation; either version 2,
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or (at your option) any later version.
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The GNUstep Database Library is distributed in the hope that it will be
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useful, 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 License
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along with the GNUstep Database Library; see the file COPYING. If not,
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write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef GNUSTEP
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#include <Foundation/NSString.h>
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#include <Foundation/NSArray.h>
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#else
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#include <Foundation/Foundation.h>
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#endif
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#include <EOControl/EODetailDataSource.h>
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#include "EODisplayGroup.h"
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#include "EOMasterDetailAssociation.h"
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#include "SubclassFlags.h"
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@implementation EOMasterDetailAssociation
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+ (NSArray *)aspects
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{
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static NSArray *_aspects = nil;
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if (_aspects == nil)
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{
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_aspects
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= RETAIN ([[super aspects] arrayByAddingObject: @"parent"]);
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}
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return _aspects;
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}
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+ (NSArray *)aspectSignatures
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{
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static NSArray *_signatures = nil;
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if (_signatures == nil)
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{
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_signatures
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= RETAIN ([[super aspectSignatures] arrayByAddingObject: @"1M"]);
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}
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return _signatures;
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}
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+ (BOOL)isUsableWithObject: (id)object
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{
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return [object isKindOfClass: [EODisplayGroup class]]
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&& [[object dataSource] isKindOfClass: [EODetailDataSource class]];
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}
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+ (NSString *)displayName
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{
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return @"EOMasterDetailAssoc";
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}
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+ (NSString *)primaryAspect
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{
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return @"parent";
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}
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- (void)establishConnection
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{
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EODisplayGroup *parent = [self displayGroupForAspect:@"parent"];
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[super establishConnection];
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if (parent)
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{
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EODetailDataSource *ds = [_object dataSource];
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subclassFlags |= ParentAspectMask;
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[ds setMasterClassDescription:[[parent dataSource]
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classDescriptionForObjects]];
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[ds setDetailKey:[self displayGroupKeyForAspect:@"parent"]];
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}
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}
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- (void)breakConnection
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{
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[super breakConnection];
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subclassFlags = 0;
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}
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- (void)subjectChanged
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{
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if (subclassFlags & ParentAspectMask)
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{
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id selectedObject = [[self displayGroupForAspect:@"parent"]
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selectedObject];
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id key = [self displayGroupKeyForAspect:@"parent"];
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if (selectedObject)
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{
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[[_object dataSource]
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qualifyWithRelationshipKey:key
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ofObject:selectedObject];
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if ([_object fetch])
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[_object redisplay];
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}
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}
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}
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- (EOObserverPriority)priority
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{
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return EOObserverPrioritySecond;
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}
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@end
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