This is MiscList.m in view mode; [Download] [Up]
// // MiscList.m -- a List subclass with a cursor // Written by Doug McClure (c) 1994 by Doug McClure. // Version 1.0. All rights reserved. // // This notice may not be removed from this source code. // // This object is included in the MiscKit by permission from the author // and its use is governed by the MiscKit license, found in the file // "LICENSE.rtf" in the MiscKit distribution. Please refer to that file // for a list of all applicable permissions and restrictions. // /* * $RCSfile$ * * $Author$ * * $Revision$ * * $Date$ * */ #import "MiscList.h" #define MiscListVersion 100 @implementation MiscList - (unsigned int)currentPosition { return cursor; } - setFirstObject { if ( [self count] ) { cursor = 0; return [self objectAt:cursor]; } return nil; } - setLastObject { if ( [self count] ) { cursor = [self count] - 1; return [self objectAt:cursor]; } return nil; } - setNextObject { if ( (cursor+1) < [self count] ) { return [self objectAt:(++cursor)]; } return nil; } - setPreviousObject { if ( cursor != 0 ) { return [self objectAt:(--cursor)]; } return nil; } - setTo:(unsigned int)aPosition { if ( aPosition < [self count] ) { cursor = aPosition; return [self objectAt:cursor]; } return nil; } @end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.