1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
Grr RSS Reader
Copyright (C) 2006, 2007 Guenther Noack <guenther@unix-ag.uni-kl.de>
Copyright (C) 2009 GNUstep Application Team
Riccardo Mottola
This application is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This application 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 General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#import <Foundation/NSObject.h>
#import <Foundation/NSString.h>
/**
* Send a notification with this name and a database element as the
* object to make that database element get the focus. (It will get
* selected in the outline view.)
*/
extern NSString* const DatabaseElementFocusRequestNotification;
@protocol DatabaseElement <NSObject>
/**
* Returns the super element of this database element. Note that
* top level elements will return nil here.
*/
-(id) superElement;
/**
* Sets the super element for an element
*/
-(void) setSuperElement: (id) superElement;
/**
* Archives the element and all its subelements to a plist-conformant
* NSDictionary object. The "isa" key of the dictionary must have the
* class name of the archiving object as a value. Don't forget to
* overwrite this class name in each subclass when archiving to the
* plist dictionary!
*/
-(NSMutableDictionary*) plistDictionary;
/**
* Unarchives the element from a plist-conformant NSDictionary object.
*/
-(id) initWithDictionary: (NSDictionary*) aDictionary;
/**
* Sets the name for the database element. This name is then
* returned by the -description method.
*/
-(void) setName: (NSString*) aString;
@end
/**
* Unarchives a database element from a plist dictionary. The plist dictionary
* must have a "isa" key which indicates the class of the object to be unarchived.
* The class must also be known to the application.
*/
extern id<DatabaseElement> DatabaseElementFromPlistDictionary( NSDictionary* plistDictionary );
|
