DataModel Object for archiving - Objective C Snipplr Social Repository

Revision: 26284

at April 22, 2010 12:18 by LeeProbert

Updated Code

/* INTERFACE */

#define	kfavesArray @"favesArray"
#define	kCurrentFave @"currentFave"
#define	kCurrentFaveIndex @"currentFaveIndexPath"

#import <Foundation/Foundation.h>

@class FaveVO;


@interface DataModel : NSObject <NSCoding>
{
	NSMutableArray *favesArray;
	FaveVO *currentFave;
	int faveIndex;
}

@property (nonatomic, retain) NSMutableArray *favesArray;
@property (nonatomic, retain) FaveVO *currentFave;
@property int faveIndex;

-(void)addNewFaveLocation:(FaveVO *)fave;
-(void)createNewFaveVOFromFaveVO:(FaveVO *)fave;
-(void)setFaveLocation:(int)index;
-(void)removeFaveLocation;

@end

/* IMPLEMENTATION */

#import "DataModel.h"
#import "FaveVO.h"

@implementation DataModel

@synthesize favesArray;
@synthesize currentFave;
@synthesize faveIndex;

//------------------------------------------------------
-(id)init
{
	if(self = [super init])
	{
		favesArray = [[NSMutableArray alloc] init];
	}
	
	return self;
}
//--------------------------------------------------
-(void)addNewFaveLocation:(FaveVO *)fave
{
	if(!favesArray) favesArray = [[NSMutableArray alloc] init];
	
	[favesArray insertObject:fave atIndex:0];
	currentFave = [favesArray objectAtIndex:0];
	faveIndex = 0;
	
	NSLog(@"DataModel currentFave: %@ faveIndex: %i", currentFave,faveIndex);
}
//--------------------------------------------------
-(void)setFaveLocation:(int)index
{
	currentFave = [favesArray objectAtIndex:index];
	faveIndex = index;
	
	NSLog(@"DataModel currentFave: %@ faveIndex: %i", currentFave,faveIndex);
}
//--------------------------------------------------
-(void)removeFaveLocation
{
	currentFave = nil;
	
	NSLog(@"DataModel currentFave: %@ faveIndex: %i", currentFave,faveIndex);
}
//--------------------------------------------------
-(void)createNewFaveVOFromFaveVO:(FaveVO *)fave
{
	double lat = fave.lat;
	double lon = fave.lon;
	
	FaveVO *newFaveVO = [[FaveVO alloc] initWithLabel:[NSString stringWithString:fave.label] 
										streetAddress:[NSString stringWithString:fave.streetAddress] 
												 city:[NSString stringWithString:fave.city] 
												state:[NSString stringWithString:fave.state] 
												  zip:[NSString stringWithString:fave.zip] 
												  lat:lat 
												  lon:lon];
	[favesArray addObject:newFaveVO];
	[newFaveVO release];
}
//--------------------------------------------------
-(void)dealloc
{
	[favesArray release];
	[currentFave release];
	[super dealloc];
}
//--------------------------------------------------


//--------------------------------------------------
#pragma mark NSCoding
- (void)encodeWithCoder:(NSCoder *)encoder
{
	[encoder encodeObject:favesArray forKey:kfavesArray];
	[encoder encodeObject:currentFave forKey:kCurrentFave];
	[encoder encodeInt:faveIndex forKey:kCurrentFaveIndex];
}
//--------------------------------------------------
- (id)initWithCoder:(NSCoder *)decoder
{
	NSLog(@"DataModel initWithCoder: %@", decoder);
	
	if (self = [super init])
	{
		self.favesArray = [decoder decodeObjectForKey:kfavesArray];
		
		self.faveIndex = [decoder decodeIntForKey:kCurrentFaveIndex];
		self.currentFave = [favesArray objectAtIndex:faveIndex];
	}
	return self;
}

@end

Revision: 26283

at April 22, 2010 11:31 by LeeProbert

Updated Code

/* INTERFACE */

#define	kfavesArray @"favesArray"
#define	kCurrentFave @"currentFave"
#define	kCurrentFaveIndex @"currentFaveIndexPath"

#import <Foundation/Foundation.h>

@class FaveVO;


@interface DataModel : NSObject <NSCoding, NSCopying>
{
	NSMutableArray *favesArray;
	FaveVO *currentFave;
	int faveIndex;
}

@property (nonatomic, retain) NSMutableArray *favesArray;
@property (nonatomic, retain) FaveVO *currentFave;
@property int faveIndex;

-(void)addNewFaveLocation:(FaveVO *)fave;
-(void)createNewFaveVOFromFaveVO:(FaveVO *)fave;
-(void)setFaveLocation:(int)index;
-(void)removeFaveLocation;

@end

/* IMPLEMENTATION */

#import "DataModel.h"
#import "FaveVO.h"

@implementation DataModel

@synthesize favesArray;
@synthesize currentFave;
@synthesize faveIndex;

//------------------------------------------------------
-(id)init
{
	if(self = [super init])
	{
		favesArray = [[NSMutableArray alloc] init];
	}
	
	return self;
}
//--------------------------------------------------
-(void)addNewFaveLocation:(FaveVO *)fave
{
	if(!favesArray) favesArray = [[NSMutableArray alloc] init];
	
	[favesArray insertObject:fave atIndex:0];
	currentFave = [favesArray objectAtIndex:0];
	faveIndex = 0;
	
	NSLog(@"DataModel currentFave: %@ faveIndex: %i", currentFave,faveIndex);
}
//--------------------------------------------------
-(void)setFaveLocation:(int)index
{
	currentFave = [favesArray objectAtIndex:index];
	faveIndex = index;
	
	NSLog(@"DataModel currentFave: %@ faveIndex: %i", currentFave,faveIndex);
}
//--------------------------------------------------
-(void)removeFaveLocation
{
	currentFave = nil;
	
	NSLog(@"DataModel currentFave: %@ faveIndex: %i", currentFave,faveIndex);
}
//--------------------------------------------------
-(void)createNewFaveVOFromFaveVO:(FaveVO *)fave
{
	double lat = fave.lat;
	double lon = fave.lon;
	
	FaveVO *newFaveVO = [[FaveVO alloc] initWithLabel:[NSString stringWithString:fave.label] 
										streetAddress:[NSString stringWithString:fave.streetAddress] 
												 city:[NSString stringWithString:fave.city] 
												state:[NSString stringWithString:fave.state] 
												  zip:[NSString stringWithString:fave.zip] 
												  lat:lat 
												  lon:lon];
	[favesArray addObject:newFaveVO];
	[newFaveVO release];
}
//--------------------------------------------------
-(void)dealloc
{
	[favesArray release];
	[currentFave release];
	[super dealloc];
}
//--------------------------------------------------


//--------------------------------------------------
#pragma mark NSCoding
- (void)encodeWithCoder:(NSCoder *)encoder
{
	[encoder encodeObject:favesArray forKey:kfavesArray];
	[encoder encodeObject:currentFave forKey:kCurrentFave];
	[encoder encodeInt:faveIndex forKey:kCurrentFaveIndex];
}
//--------------------------------------------------
- (id)initWithCoder:(NSCoder *)decoder
{
	NSLog(@"DataModel initWithCoder: %@", decoder);
	
	if (self = [super init])
	{
		self.favesArray = [decoder decodeObjectForKey:kfavesArray];
		
		self.faveIndex = [decoder decodeIntForKey:kCurrentFaveIndex];
		self.currentFave = [favesArray objectAtIndex:faveIndex];
	}
	return self;
}
//------------------------------------------------------------------------
#pragma mark -
#pragma mark NSCopying
- (id)copyWithZone:(NSZone *)zone
{
	DataModel *copy = [[[self class] allocWithZone: zone] init];
	
	copy.favesArray = favesArray;
	copy.currentFave = currentFave;
	copy.faveIndex = faveIndex;
	
	return copy;
}


@end

Revision: 26282

at April 22, 2010 11:29 by LeeProbert

Initial Code

#define	kfavesArray @"favesArray"
#define	kCurrentFave @"currentFave"
#define	kCurrentFaveIndex @"currentFaveIndexPath"

#import <Foundation/Foundation.h>

@class FaveVO;


@interface DataModel : NSObject <NSCoding, NSCopying>
{
	NSMutableArray *favesArray;
	FaveVO *currentFave;
	int faveIndex;
}

@property (nonatomic, retain) NSMutableArray *favesArray;
@property (nonatomic, retain) FaveVO *currentFave;
@property int faveIndex;

-(void)addNewFaveLocation:(FaveVO *)fave;
-(void)createNewFaveVOFromFaveVO:(FaveVO *)fave;
-(void)setFaveLocation:(int)index;
-(void)removeFaveLocation;

@end

Initial URL

Initial Description

Here's a simple object class that has been set up so it can be archived using the NSKeyedUnarchiver and NSKeyedArchiver classes. This process in another snippet.

Initial Title

DataModel Object for archiving

Initial Tags

Initial Language

Objective C

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