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.
SimpleApplication.h
/* |
File: SimpleApplication.h |
Abstract: For our application scripting class, we have |
implemented the properties as element accessors in a |
category of NSApplication. This file contains the |
interface for that. |
Version: 1.2 |
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*/ |
#import <Cocoa/Cocoa.h> |
@interface NSApplication (SimpleApplication) |
/* kvc Cocoa property for the 'special version' AppleScript property. |
We have defined the 'special version' AppleScript property as read only |
in the scripting definition file so we only provide a readonly property here. |
*/ |
@property (readonly) NSString *specialVersion; |
/* kvc Cocoa property for the 'input value' AppleScript property. */ |
@property (copy) NSNumber *inputValue; |
/* kvc Cocoa property for the 'scaling factor' AppleScript property. */ |
@property (copy) NSNumber *scalingFactor; |
/* kvc Cocoa property for the 'output value' AppleScript property. |
We have defined the 'output value' AppleScript property as read only |
in the scripting definition file so we only provide a readonly property here. |
To illustrate a calculated property value, the 'output value' property |
is calculated as the product of the 'input value' property and |
the 'scaling factor' property. |
*/ |
@property (readonly) NSNumber *outputValue; |
/* kvc Cocoa property for the 'description' AppleScript property. */ |
@property (copy) NSString *description; |
/* kvc Cocoa property for the 'ready' AppleScript property. */ |
@property (copy) NSNumber *ready; |
/* kvc Cocoa property for the 'modification date' AppleScript property. */ |
@property (copy) NSDate *modificationDate; |
/* we have defined an enumeration in our scripting definition |
file that we are using as the value stored in the simplicity level |
property. The actual values passed back from AppleScript to |
Objective-C are encoded using the four byte codes we specified |
in the enumeration. For convenience, we have associated those |
values with symbolic constants in the following enumeration: |
*/ |
enum { |
kSLBasic = 'SiBa', |
kSLIntroductory = 'SiIn', |
kSLAdvanced = 'SiAd', |
kSLDifficult = 'SiDi' |
}; |
/* and we have defined the following method for converting those |
code values into string values. */ |
- (NSString*) decodeSimplicity:(NSNumber*)simplicityCode; |
/* kvc Cocoa property for the 'simplicity level' AppleScript property. |
This property uses the enumeration discussed in the comment above.*/ |
@property (copy) NSNumber *simplicityLevel; |
/* kvc Cocoa property for the 'scaling factor' AppleScript property. |
This is another example of a calculated property. Here we map |
the various simplicity levels defined in the enumeration to |
arbitrary floating point values. */ |
@property (nonatomic, readonly) NSNumber *simplicityFactor; |
@end |
Copyright © 2011 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2011-09-07