SXSwitch.h

gistfile1.txt

#import <Foundation/Foundation.h>
#import "Sparrow.h"

#define SX_SWITCH_EVENT_CHANGED @"switchChanged"

@interface SXSwitch : SPSprite {
	BOOL on;
	SPDisplayObject *onGraphic;
	SPDisplayObject *offGraphic;
}

@property (nonatomic, assign) BOOL on;
@property (nonatomic, retain) SPDisplayObject *onGraphic;
@property (nonatomic, retain) SPDisplayObject *offGraphic;

- (id)initWithOnImagePath:(NSString*)onG andOffImagePath:(NSString*)offG;	
- (void)update;

@end

SXSwitch.m

#import "SXSwitch.h"

@implementation SXSwitch
@synthesize on;
@synthesize onGraphic;
@synthesize offGraphic;

- (id)init{
	self = [super init];
	on = YES;
	self.onGraphic = [SPQuad quadWithWidth:20 height:20 color:0xc0c0c0];
	self.offGraphic = [SPQuad quadWithWidth:20 height:20 color:0x3d3d3d];
	[self addEventListener:@selector(touched:) atObject:self forType:SP_EVENT_TYPE_TOUCH];
	[self update];
	return self;
}

- (id)initWithOnImagePath:(NSString*)onG andOffImagePath:(NSString*)offG{
	self = [super init];
	on = YES;
	self.onGraphic = [SPImage imageWithContentsOfFile:onG];
	self.offGraphic = [SPImage imageWithContentsOfFile:offG];
	[self addEventListener:@selector(touched:) atObject:self forType:SP_EVENT_TYPE_TOUCH];
	[self update];
	return self;
}

- (void)touched:(SPTouchEvent*)event{
	SPTouch *touchEnded = [[event touchesWithTarget:self andPhase:SPTouchPhaseEnded] anyObject];
    if(touchEnded){
        SPPoint *touchPosition = [touchEnded locationInSpace:self];
		if ([self hitTestPoint:touchPosition forTouch:YES]) {
			self.on = !self.on;
		}
    }
}

- (void)setOn:(BOOL)val{
	on = val;
	[self update];
	[self dispatchEvent:[SPEvent eventWithType:SX_SWITCH_EVENT_CHANGED]];
}

- (void)setOnGraphic :(SPDisplayObject *)val{
	if(onGraphic){
		if([self containsChild:onGraphic]){
			[self removeChild:onGraphic];
		}
		[onGraphic release];
		onGraphic = nil;
	}
	if(val != nil){
		onGraphic = [val retain];
		[self addChild:onGraphic];
	}
	[self update];
}

- (void)setOffGraphic :(SPDisplayObject *)val{
	if(offGraphic){
		if([self containsChild:offGraphic]){
			[self removeChild:offGraphic];
		}
		[offGraphic release];
		offGraphic = nil;
	}
	if(val != nil){
		offGraphic = [val retain];
		[self addChild:offGraphic];
	}
	[self update];
}


- (void)update{
	onGraphic.visible = on;
	offGraphic.visible = !on;
}

- (void)dealloc{
	self.onGraphic = nil;
	self.offGraphic = nil;
	[self removeEventListener:@selector(touched:) atObject:self forType:SP_EVENT_TYPE_TOUCH];
	[super dealloc];
}

@end