Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
Treasure.h
/* |
File: Treasure.h |
Abstract: Treasure class |
for this example application. Treasure is a subclass |
of the Trinket class and it has some additional |
properties. |
Trinkets and treasures provide us with objects to |
put inside of the Bucket and StrongBox container |
objects. |
Version: 1.2 |
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*/ |
#import <Cocoa/Cocoa.h> |
#import "Trinket.h" |
/* We have implemented our 'metal' property as an |
AppleScript enumeration. As such, each of the items in the |
enumeration is identified by a unique four character code |
stored in a long integer. |
The following enumeration lists those four character codes |
that we have defined in our scripting definition file. We can |
use these codes to decode the enumeration values we receive |
from Cocoa */ |
enum { |
kTinMetal = 'PmTn', |
kPewterMetal = 'PmPw', |
kBronzeMetal = 'PmBr', |
kSilverMetal = 'PmSi', |
kGoldMetal = 'PmGo' |
}; |
/* The Treasure class adds a few new properties to the Trinket class. |
One point of interest in this class is the metal property that uses |
an AppleScript enumeration. The decodeMetal class method illustrates |
how you can decode enumeration values and use them in your program. |
We take care of most of the 'infrastructure' type operations |
needed for scripting in the Element class (the superclass of the |
Trinket class), so all we have to worry about here is storage management |
and providing accessors for the properties.*/ |
@interface Treasure : Trinket { |
NSNumber *itemValue; /* storage for the 'value' AppleScript property */ |
NSNumber *itemMetal; /* storage for the 'metal' AppleScript property */ |
} |
/* for decoding AppleScript enumeration values */ |
+ (NSString*) decodeMetal:(NSNumber*) metal; |
/* storage management */ |
- (id)init; |
- (void)dealloc; |
/* kvc Cocoa property for the 'value' AppleScript property */ |
@property (copy) NSNumber *value; |
/* kvc Cocoa property for the 'metal' AppleScript property */ |
@property (copy) NSNumber *metal; |
@end |
Copyright © 2011 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2011-09-07