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NJRDictionaryToHotKeyTransformer.m
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NJRDictionaryToHotKeyTransformer.m
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//
// NJRDictionaryToHotKeyTransformer.m
// Shroud
//
// Created by Nicholas Riley on 9/5/10.
// Copyright 2010 Nicholas Riley. All rights reserved.
//
#import "NJRDictionaryToHotKeyTransformer.h"
#import "NJRHotKey.h"
// dictionary keys
static NSString * const NJRHotKeyCharacters = @"characters"; // NSString
static NSString * const NJRHotKeyModifierFlags = @"modifierFlags"; // NSNumber (unsigned int)
static NSString * const NJRHotKeyKeyCode = @"keyCode"; // NSNumber (unsigned short)
@implementation NJRDictionaryToHotKeyTransformer
+ (BOOL)allowsReverseTransformation
{
return YES;
}
+ (Class)transformedValueClass
{
return [NJRHotKey class];
}
- (id)transformedValue:(id)value
{
NSDictionary *dictionary = value;
if (dictionary == nil)
return nil;
return [NJRHotKey hotKeyWithCharacters:[dictionary objectForKey:NJRHotKeyCharacters]
modifierFlags:[[dictionary objectForKey:NJRHotKeyModifierFlags] unsignedIntValue]
keyCode:[[dictionary objectForKey:NJRHotKeyKeyCode] unsignedShortValue]];
}
- (id)reverseTransformedValue:(id)value
{
if (value == nil)
return nil;
NJRHotKey *hotKey = value;
return [NSDictionary dictionaryWithObjectsAndKeys:
[hotKey characters], NJRHotKeyCharacters,
[NSNumber numberWithUnsignedInt:[hotKey modifierFlags]], NJRHotKeyModifierFlags,
[NSNumber numberWithUnsignedShort:[hotKey keyCode]], NJRHotKeyKeyCode,
nil];
}
@end