|
0
|
1 //
|
|
|
2 // NamedTree.h -- a generic class to build tree data structures
|
|
|
3 // This class requires the String class, also by Don Yacktman.
|
|
|
4 // Written by Don Yacktman (c) 1993 by Don Yacktman.
|
|
|
5 // All rights reserved.
|
|
|
6 //
|
|
|
7 // This Tree subclass allows an entire tree to be given a name, other than
|
|
|
8 // the root node's name.
|
|
|
9 //
|
|
|
10 // You may use and copy this class freely as long as you
|
|
|
11 // comply with the following terms:
|
|
|
12 // (1) If you use this class in an application which you
|
|
|
13 // intend to sell commercially, as shareware, or otherwise,
|
|
|
14 // you may only do so with express written permission
|
|
|
15 // of the author. Use in applications which will
|
|
|
16 // be distributed free of charge is encouraged.
|
|
|
17 // (2) You must include the source code to this object and
|
|
|
18 // all accompanying documentation with your application,
|
|
|
19 // or provide it to users if requested, free of charge.
|
|
|
20 // (3) Do not remove the author's name or any of the
|
|
|
21 // copyright notices
|
|
|
22 //
|
|
|
23
|
|
|
24 #import "Tree.h" // superclass is in there
|
|
|
25
|
|
|
26 @interface NamedTree:Tree
|
|
|
27 {
|
|
|
28 id treeName; // a String object that all nodes should point to
|
|
|
29 }
|
|
|
30
|
|
|
31 // set and retrieve the tree's name
|
|
|
32 - setTreeName:string;
|
|
|
33 - (const char *)treeName;
|
|
|
34
|
|
|
35 - act:sender; // action performed when node is activated
|
|
|
36 - activateNode:sender; // message sent to "activate" the node
|
|
|
37
|
|
|
38 @end
|
