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+/*
+ * cocos2d for iPhone: http://www.cocos2d-iphone.org
+ *
+ * Copyright (c) 2008-2011 Ricardo Quesada
+ * Copyright (c) 2011 Zynga Inc.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#import "CCMenuItem.h"
+#import "CCLabelTTF.h"
+#import "CCLabelAtlas.h"
+#import "CCActionInterval.h"
+#import "CCSprite.h"
+#import "Support/CGPointExtension.h"
+#import "CCBlockSupport.h"
+
+        static NSUInteger _fontSize = kCCItemSize;
+static NSString *_fontName = @"Marker Felt";
+static BOOL _fontNameRelease = NO;
+
+
+const uint32_t  kCurrentItem = 0xc0c05001;
+const uint32_t  kZoomActionTag = 0xc0c05002;
+
+
+#pragma mark -
+#pragma mark CCMenuItem
+
+@implementation CCMenuItem
+
+@synthesize isSelected=isSelected_;
+-(id) init
+{
+        NSAssert(NO, @"MenuItemInit: Init not supported.");
+        [self release];
+        return nil;
+}
+
++(id) itemWithTarget:(id) r selector:(SEL) s
+{
+        return [[[self alloc] initWithTarget:r selector:s] autorelease];
+}
+
+-(id) initWithTarget:(id) rec selector:(SEL) cb
+{
+        if((self=[super init]) ) {
+        
+                anchorPoint_ = ccp(0.5f, 0.5f);
+                NSMethodSignature * sig = nil;
+                
+                if( rec && cb ) {
+                        sig = [rec methodSignatureForSelector:cb];
+                        
+                        invocation_ = nil;
+                        invocation_ = [NSInvocation invocationWithMethodSignature:sig];
+                        [invocation_ setTarget:rec];
+                        [invocation_ setSelector:cb];
+#if NS_BLOCKS_AVAILABLE
+                        if ([sig numberOfArguments] == 3) 
+#endif
+                        [invocation_ setArgument:&self atIndex:2];
+                        
+                        [invocation_ retain];
+                }
+                
+                isEnabled_ = YES;
+                isSelected_ = NO;
+        }
+        
+        return self;
+}
+
+#if NS_BLOCKS_AVAILABLE
+
++(id) itemWithBlock:(void(^)(id sender))block {
+        return [[[self alloc] initWithBlock:block] autorelease];
+}
+
+-(id) initWithBlock:(void(^)(id sender))block {
+        block_ = [block copy];
+        return [self initWithTarget:block_ selector:@selector(ccCallbackBlockWithSender:)];
+}
+
+#endif // NS_BLOCKS_AVAILABLE
+
+-(void) dealloc
+{
+        [invocation_ release];
+
+#if NS_BLOCKS_AVAILABLE
+        [block_ release];
+#endif
+        
+        [super dealloc];
+}
+
+-(void) selected
+{
+        isSelected_ = YES;
+}
+
+-(void) unselected
+{
+        isSelected_ = NO;
+}
+
+-(void) activate
+{
+        if(isEnabled_)
+        [invocation_ invoke];
+}
+
+-(void) setIsEnabled: (BOOL)enabled
+{
+    isEnabled_ = enabled;
+}
+
+-(BOOL) isEnabled
+{
+    return isEnabled_;
+}
+
+-(CGRect) rect
+{
+        return CGRectMake( position_.x - contentSize_.width*anchorPoint_.x,
+                                          position_.y - contentSize_.height*anchorPoint_.y,
+                                          contentSize_.width, contentSize_.height);     
+}
+
+@end
+
+
+#pragma mark -
+#pragma mark CCMenuItemLabel
+
+@implementation CCMenuItemLabel
+
+@synthesize disabledColor = disabledColor_;
+
++(id) itemWithLabel:(CCNode<CCLabelProtocol,CCRGBAProtocol>*)label target:(id)target selector:(SEL)selector
+{
+        return [[[self alloc] initWithLabel:label target:target selector:selector] autorelease];
+}
+
++(id) itemWithLabel:(CCNode<CCLabelProtocol,CCRGBAProtocol>*)label
+{
+        return [[[self alloc] initWithLabel:label target:nil selector:NULL] autorelease];
+}
+
+-(id) initWithLabel:(CCNode<CCLabelProtocol,CCRGBAProtocol>*)label target:(id)target selector:(SEL)selector
+{
+        if( (self=[super initWithTarget:target selector:selector]) ) {
+                originalScale_ = 1;
+                colorBackup = ccWHITE;
+                disabledColor_ = ccc3( 126,126,126);
+                self.label = label;
+                
+        }
+        return self;
+}
+
+#if NS_BLOCKS_AVAILABLE
+
++(id) itemWithLabel:(CCNode<CCLabelProtocol,CCRGBAProtocol>*)label block:(void(^)(id sender))block {
+        return [[[self alloc] initWithLabel:label block:block] autorelease];
+}
+
+-(id) initWithLabel:(CCNode<CCLabelProtocol,CCRGBAProtocol>*)label block:(void(^)(id sender))block {
+        block_ = [block copy];
+        return [self initWithLabel:label target:block_ selector:@selector(ccCallbackBlockWithSender:)];
+}
+
+#endif // NS_BLOCKS_AVAILABLE
+
+-(CCNode<CCLabelProtocol, CCRGBAProtocol>*) label
+{
+        return label_;
+}
+-(void) setLabel:(CCNode<CCLabelProtocol, CCRGBAProtocol>*) label
+{
+        if( label != label_ ) {
+                [self removeChild:label_ cleanup:YES];
+                [self addChild:label];
+                
+                label_ = label;
+                label_.anchorPoint = ccp(0,0);
+
+                [self setContentSize:[label_ contentSize]];
+        }
+}
+
+-(void) setString:(NSString *)string
+{
+        [label_ setString:string];
+        [self setContentSize: [label_ contentSize]];
+}
+
+-(void) activate {
+        if(isEnabled_) {
+                [self stopAllActions];
+        
+                self.scale = originalScale_;
+        
+                [super activate];
+        }
+}
+
+-(void) selected
+{
+        // subclass to change the default action
+        if(isEnabled_) {        
+                [super selected];
+
+                CCAction *action = [self getActionByTag:kZoomActionTag];
+                if( action )
+                        [self stopAction:action];
+                else
+                        originalScale_ = self.scale;
+
+                CCAction *zoomAction = [CCScaleTo actionWithDuration:0.1f scale:originalScale_ * 1.2f];
+                zoomAction.tag = kZoomActionTag;
+                [self runAction:zoomAction];
+        }
+}
+
+-(void) unselected
+{
+        // subclass to change the default action
+        if(isEnabled_) {
+                [super unselected];
+                [self stopActionByTag:kZoomActionTag];
+                CCAction *zoomAction = [CCScaleTo actionWithDuration:0.1f scale:originalScale_];
+                zoomAction.tag = kZoomActionTag;
+                [self runAction:zoomAction];
+        }
+}
+
+-(void) setIsEnabled: (BOOL)enabled
+{
+        if( isEnabled_ != enabled ) {
+                if(enabled == NO) {
+                        colorBackup = [label_ color];
+                        [label_ setColor: disabledColor_];
+                }
+                else
+                        [label_ setColor:colorBackup];
+        }
+    
+        [super setIsEnabled:enabled];
+}
+
+- (void) setOpacity: (GLubyte)opacity
+{
+    [label_ setOpacity:opacity];
+}
+-(GLubyte) opacity
+{
+        return [label_ opacity];
+}
+-(void) setColor:(ccColor3B)color
+{
+        [label_ setColor:color];
+}
+-(ccColor3B) color
+{
+        return [label_ color];
+}
+@end
+
+#pragma mark  -
+#pragma mark CCMenuItemAtlasFont
+
+@implementation CCMenuItemAtlasFont
+
++(id) itemFromString: (NSString*) value charMapFile:(NSString*) charMapFile itemWidth:(int)itemWidth itemHeight:(int)itemHeight startCharMap:(char)startCharMap
+{
+        return [CCMenuItemAtlasFont itemFromString:value charMapFile:charMapFile itemWidth:itemWidth itemHeight:itemHeight startCharMap:startCharMap target:nil selector:nil];
+}
+
++(id) itemFromString: (NSString*) value charMapFile:(NSString*) charMapFile itemWidth:(int)itemWidth itemHeight:(int)itemHeight startCharMap:(char)startCharMap target:(id) rec selector:(SEL) cb
+{
+        return [[[self alloc] initFromString:value charMapFile:charMapFile itemWidth:itemWidth itemHeight:itemHeight startCharMap:startCharMap target:rec selector:cb] autorelease];
+}
+
+-(id) initFromString: (NSString*) value charMapFile:(NSString*) charMapFile itemWidth:(int)itemWidth itemHeight:(int)itemHeight startCharMap:(char)startCharMap target:(id) rec selector:(SEL) cb
+{
+        NSAssert( [value length] != 0, @"value length must be greater than 0");
+        
+        CCLabelAtlas *label = [[CCLabelAtlas alloc] initWithString:value charMapFile:charMapFile itemWidth:itemWidth itemHeight:itemHeight startCharMap:startCharMap];
+        [label autorelease];
+
+        if((self=[super initWithLabel:label target:rec selector:cb]) ) {
+                // do something ?
+        }
+        
+        return self;
+}
+
+#if NS_BLOCKS_AVAILABLE
++(id) itemFromString:(NSString*)value charMapFile:(NSString*)charMapFile itemWidth:(int)itemWidth itemHeight:(int)itemHeight startCharMap:(char)startCharMap block:(void(^)(id sender))block {
+        return [[[self alloc] initFromString:value charMapFile:charMapFile itemWidth:itemWidth itemHeight:itemHeight startCharMap:startCharMap block:block] autorelease];
+}
+
+-(id) initFromString:(NSString*)value charMapFile:(NSString*)charMapFile itemWidth:(int)itemWidth itemHeight:(int)itemHeight startCharMap:(char)startCharMap block:(void(^)(id sender))block {
+        block_ = [block copy];
+        return [self initFromString:value charMapFile:charMapFile itemWidth:itemWidth itemHeight:itemHeight startCharMap:startCharMap target:block_ selector:@selector(ccCallbackBlockWithSender:)];
+}
+#endif // NS_BLOCKS_AVAILABLE
+
+-(void) dealloc
+{
+        [super dealloc];
+}
+@end
+
+
+#pragma mark -
+#pragma mark CCMenuItemFont
+
+@implementation CCMenuItemFont
+
++(void) setFontSize: (NSUInteger) s
+{
+        _fontSize = s;
+}
+
++(NSUInteger) fontSize
+{
+        return _fontSize;
+}
+
++(void) setFontName: (NSString*) n
+{
+        if( _fontNameRelease )
+                [_fontName release];
+        
+        _fontName = [n retain];
+        _fontNameRelease = YES;
+}
+
++(NSString*) fontName
+{
+        return _fontName;
+}
+
++(id) itemFromString: (NSString*) value target:(id) r selector:(SEL) s
+{
+        return [[[self alloc] initFromString: value target:r selector:s] autorelease];
+}
+
++(id) itemFromString: (NSString*) value
+{
+        return [[[self alloc] initFromString: value target:nil selector:nil] autorelease];
+}
+
+-(id) initFromString: (NSString*) value target:(id) rec selector:(SEL) cb
+{
+        NSAssert( [value length] != 0, @"Value length must be greater than 0");
+        
+        fontName_ = [_fontName copy];
+        fontSize_ = _fontSize;
+        
+        CCLabelTTF *label = [CCLabelTTF labelWithString:value fontName:fontName_ fontSize:fontSize_];
+
+        if((self=[super initWithLabel:label target:rec selector:cb]) ) {
+                // do something ?
+        }
+        
+        return self;
+}
+
+-(void) recreateLabel
+{
+        CCLabelTTF *label = [CCLabelTTF labelWithString:[label_ string] fontName:fontName_ fontSize:fontSize_];
+        self.label = label;
+}
+
+-(void) setFontSize: (NSUInteger) size
+{
+        fontSize_ = size;
+        [self recreateLabel];
+}
+
+-(NSUInteger) fontSize
+{
+        return fontSize_;
+}
+
+-(void) setFontName: (NSString*) fontName
+{
+        if (fontName_)
+                [fontName_ release];
+
+        fontName_ = [fontName copy];
+        [self recreateLabel];
+}
+
+-(NSString*) fontName
+{
+        return fontName_;
+}
+
+#if NS_BLOCKS_AVAILABLE
++(id) itemFromString: (NSString*) value block:(void(^)(id sender))block
+{
+        return [[[self alloc] initFromString:value block:block] autorelease];
+}
+
+-(id) initFromString: (NSString*) value block:(void(^)(id sender))block
+{
+        block_ = [block copy];
+        return [self initFromString:value target:block_ selector:@selector(ccCallbackBlockWithSender:)];
+}
+#endif // NS_BLOCKS_AVAILABLE
+
+@end
+
+#pragma mark -
+#pragma mark CCMenuItemSprite
+@implementation CCMenuItemSprite
+
+@synthesize normalImage=normalImage_, selectedImage=selectedImage_, disabledImage=disabledImage_;
+
++(id) itemFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite
+{
+        return [self itemFromNormalSprite:normalSprite selectedSprite:selectedSprite disabledSprite:nil target:nil selector:nil];
+}
++(id) itemFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite target:(id)target selector:(SEL)selector
+{
+        return [self itemFromNormalSprite:normalSprite selectedSprite:selectedSprite disabledSprite:nil target:target selector:selector];
+}
++(id) itemFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite disabledSprite:(CCNode<CCRGBAProtocol>*)disabledSprite target:(id)target selector:(SEL)selector
+{
+        return [[[self alloc] initFromNormalSprite:normalSprite selectedSprite:selectedSprite disabledSprite:disabledSprite target:target selector:selector] autorelease];
+}
+-(id) initFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite disabledSprite:(CCNode<CCRGBAProtocol>*)disabledSprite target:(id)target selector:(SEL)selector
+{
+        if( (self=[super initWithTarget:target selector:selector]) ) {
+                
+                self.normalImage = normalSprite;
+                self.selectedImage = selectedSprite;
+                self.disabledImage = disabledSprite;
+                
+                [self setContentSize: [normalImage_ contentSize]];
+        }
+        return self;    
+}
+
+#if NS_BLOCKS_AVAILABLE
++(id) itemFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite block:(void(^)(id sender))block {
+        return [self itemFromNormalSprite:normalSprite selectedSprite:selectedSprite disabledSprite:nil block:block];
+}
+
++(id) itemFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite disabledSprite:(CCNode<CCRGBAProtocol>*)disabledSprite block:(void(^)(id sender))block {
+        return [[[self alloc] initFromNormalSprite:normalSprite selectedSprite:selectedSprite disabledSprite:disabledSprite block:block] autorelease];
+}
+
+-(id) initFromNormalSprite:(CCNode<CCRGBAProtocol>*)normalSprite selectedSprite:(CCNode<CCRGBAProtocol>*)selectedSprite disabledSprite:(CCNode<CCRGBAProtocol>*)disabledSprite block:(void(^)(id sender))block {
+        block_ = [block copy];
+        return [self initFromNormalSprite:normalSprite selectedSprite:selectedSprite disabledSprite:disabledSprite target:block_ selector:@selector(ccCallbackBlockWithSender:)];
+}
+#endif // NS_BLOCKS_AVAILABLE
+
+
+-(void) setNormalImage:(CCNode <CCRGBAProtocol>*)image
+{
+        if( image != normalImage_ ) {
+                image.anchorPoint = ccp(0,0);
+                image.visible = YES;
+                
+                [self removeChild:normalImage_ cleanup:YES];
+                [self addChild:image];
+                
+                normalImage_ = image;
+        }
+}
+
+-(void) setSelectedImage:(CCNode <CCRGBAProtocol>*)image
+{
+        if( image != selectedImage_ ) {
+                image.anchorPoint = ccp(0,0);
+                image.visible = NO;
+                
+                [self removeChild:selectedImage_ cleanup:YES];
+                [self addChild:image];
+                
+                selectedImage_ = image;
+        }
+}
+
+-(void) setDisabledImage:(CCNode <CCRGBAProtocol>*)image
+{
+        if( image != disabledImage_ ) {
+                image.anchorPoint = ccp(0,0);
+                image.visible = NO;
+                
+                [self removeChild:disabledImage_ cleanup:YES];
+                [self addChild:image];
+                
+                disabledImage_ = image;
+        }
+}
+
+#pragma mark CCMenuItemImage - CCRGBAProtocol protocol
+- (void) setOpacity: (GLubyte)opacity
+{
+        [normalImage_ setOpacity:opacity];
+        [selectedImage_ setOpacity:opacity];
+        [disabledImage_ setOpacity:opacity];
+}
+
+-(void) setColor:(ccColor3B)color
+{
+        [normalImage_ setColor:color];
+        [selectedImage_ setColor:color];
+        [disabledImage_ setColor:color];        
+}
+
+-(GLubyte) opacity
+{
+        return [normalImage_ opacity];
+}
+
+-(ccColor3B) color
+{
+        return [normalImage_ color];
+}
+
+-(void) selected
+{
+        [super selected];
+
+        if( selectedImage_ ) {
+                [normalImage_ setVisible:NO];
+                [selectedImage_ setVisible:YES];
+                [disabledImage_ setVisible:NO];
+                
+        } else { // there is not selected image
+        
+                [normalImage_ setVisible:YES];
+                [selectedImage_ setVisible:NO];
+                [disabledImage_ setVisible:NO];         
+        }
+}
+
+-(void) unselected
+{
+        [super unselected];
+        [normalImage_ setVisible:YES];
+        [selectedImage_ setVisible:NO];
+        [disabledImage_ setVisible:NO];
+}
+
+-(void) setIsEnabled:(BOOL)enabled
+{
+        [super setIsEnabled:enabled];
+
+        if( enabled ) {
+                [normalImage_ setVisible:YES];
+                [selectedImage_ setVisible:NO];
+                [disabledImage_ setVisible:NO];
+
+        } else {
+                if( disabledImage_ ) {
+                        [normalImage_ setVisible:NO];
+                        [selectedImage_ setVisible:NO];
+                        [disabledImage_ setVisible:YES];                
+                } else {
+                        [normalImage_ setVisible:YES];
+                        [selectedImage_ setVisible:NO];
+                        [disabledImage_ setVisible:NO];
+                }
+        }
+}
+
+@end
+
+#pragma mark -
+#pragma mark CCMenuItemImage
+
+@implementation CCMenuItemImage
+
++(id) itemFromNormalImage: (NSString*)value selectedImage:(NSString*) value2
+{
+        return [self itemFromNormalImage:value selectedImage:value2 disabledImage: nil target:nil selector:nil];
+}
+
++(id) itemFromNormalImage: (NSString*)value selectedImage:(NSString*) value2 target:(id) t selector:(SEL) s
+{
+        return [self itemFromNormalImage:value selectedImage:value2 disabledImage: nil target:t selector:s];
+}
+
++(id) itemFromNormalImage: (NSString*)value selectedImage:(NSString*) value2 disabledImage: (NSString*) value3
+{
+        return [[[self alloc] initFromNormalImage:value selectedImage:value2 disabledImage:value3 target:nil selector:nil] autorelease];
+}
+
++(id) itemFromNormalImage: (NSString*)value selectedImage:(NSString*) value2 disabledImage: (NSString*) value3 target:(id) t selector:(SEL) s
+{
+        return [[[self alloc] initFromNormalImage:value selectedImage:value2 disabledImage:value3 target:t selector:s] autorelease];
+}
+
+-(id) initFromNormalImage: (NSString*) normalI selectedImage:(NSString*)selectedI disabledImage: (NSString*) disabledI target:(id)t selector:(SEL)sel
+{
+        CCNode<CCRGBAProtocol> *normalImage = [CCSprite spriteWithFile:normalI];
+        CCNode<CCRGBAProtocol> *selectedImage = nil;
+        CCNode<CCRGBAProtocol> *disabledImage = nil;
+
+        if( selectedI )
+                selectedImage = [CCSprite spriteWithFile:selectedI]; 
+        if(disabledI)
+                disabledImage = [CCSprite spriteWithFile:disabledI];
+
+        return [self initFromNormalSprite:normalImage selectedSprite:selectedImage disabledSprite:disabledImage target:t selector:sel];
+}
+
+#if NS_BLOCKS_AVAILABLE
+
++(id) itemFromNormalImage: (NSString*)value selectedImage:(NSString*) value2 block:(void(^)(id sender))block {
+        return [self itemFromNormalImage:value selectedImage:value2 disabledImage:nil block:block];
+}
+
++(id) itemFromNormalImage: (NSString*)value selectedImage:(NSString*) value2 disabledImage:(NSString*) value3 block:(void(^)(id sender))block {
+        return [[[self alloc] initFromNormalImage:value selectedImage:value2 disabledImage:value3 block:block] autorelease];
+}
+
+-(id) initFromNormalImage: (NSString*) value selectedImage:(NSString*)value2 disabledImage:(NSString*) value3 block:(void(^)(id sender))block {
+        block_ = [block copy];
+        return [self initFromNormalImage:value selectedImage:value2 disabledImage:value3 target:block_ selector:@selector(ccCallbackBlockWithSender:)];
+}
+
+#endif // NS_BLOCKS_AVAILABLE
+
+@end
+
+#pragma mark -
+#pragma mark CCMenuItemToggle
+
+//
+// MenuItemToggle
+//
+@implementation CCMenuItemToggle
+
+@synthesize subItems = subItems_;
+@synthesize opacity = opacity_, color = color_;
+
++(id) itemWithTarget: (id)t selector: (SEL)sel items: (CCMenuItem*) item, ...
+{
+        va_list args;
+        va_start(args, item);
+        
+        id s = [[[self alloc] initWithTarget: t selector:sel items: item vaList:args] autorelease];
+        
+        va_end(args);
+        return s;
+}
+
+-(id) initWithTarget: (id)t selector: (SEL)sel items:(CCMenuItem*) item vaList: (va_list) args
+{
+        if( (self=[super initWithTarget:t selector:sel]) ) {
+        
+                self.subItems = [NSMutableArray arrayWithCapacity:2];
+                
+                int z = 0;
+                CCMenuItem *i = item;
+                while(i) {
+                        z++;
+                        [subItems_ addObject:i];
+                        i = va_arg(args, CCMenuItem*);
+                }
+
+                selectedIndex_ = NSUIntegerMax;
+                [self setSelectedIndex:0];
+        }
+        
+        return self;
+}
+
+#if NS_BLOCKS_AVAILABLE
+                                                                  
++(id) itemWithBlock:(void(^)(id sender))block items:(CCMenuItem*)item, ... {
+        va_list args;
+        va_start(args, item);
+        
+        id s = [[[self alloc] initWithBlock:block items:item vaList:args] autorelease];
+        
+        va_end(args);
+        return s;
+}
+
+-(id) initWithBlock:(void (^)(id))block items:(CCMenuItem*)item vaList:(va_list)args {
+        block_ = [block copy];
+        return [self initWithTarget:block_ selector:@selector(ccCallbackBlockWithSender:) items:item vaList:args];
+}
+
+#endif // NS_BLOCKS_AVAILABLE
+
+-(void) dealloc
+{
+        [subItems_ release];
+        [super dealloc];
+}
+
+-(void)setSelectedIndex:(NSUInteger)index
+{
+        if( index != selectedIndex_ ) {
+                selectedIndex_=index;
+                [self removeChildByTag:kCurrentItem cleanup:NO];
+                
+                CCMenuItem *item = [subItems_ objectAtIndex:selectedIndex_];
+                [self addChild:item z:0 tag:kCurrentItem];
+                
+                CGSize s = [item contentSize];
+                [self setContentSize: s];
+                item.position = ccp( s.width/2, s.height/2 );
+        }
+}
+
+-(NSUInteger) selectedIndex
+{
+        return selectedIndex_;
+}
+
+
+-(void) selected
+{
+        [super selected];
+        [[subItems_ objectAtIndex:selectedIndex_] selected];
+}
+
+-(void) unselected
+{
+        [super unselected];
+        [[subItems_ objectAtIndex:selectedIndex_] unselected];
+}
+
+-(void) activate
+{
+        // update index
+        if( isEnabled_ ) {
+                NSUInteger newIndex = (selectedIndex_ + 1) % [subItems_ count];
+                [self setSelectedIndex:newIndex];
+
+        }
+
+        [super activate];
+}
+
+-(void) setIsEnabled: (BOOL)enabled
+{
+        [super setIsEnabled:enabled];
+        for(CCMenuItem* item in subItems_)
+                [item setIsEnabled:enabled];
+}
+
+-(CCMenuItem*) selectedItem
+{
+        return [subItems_ objectAtIndex:selectedIndex_];
+}
+
+#pragma mark CCMenuItemToggle - CCRGBAProtocol protocol
+
+- (void) setOpacity: (GLubyte)opacity
+{
+        opacity_ = opacity;
+        for(CCMenuItem<CCRGBAProtocol>* item in subItems_)
+                [item setOpacity:opacity];
+}
+
+- (void) setColor:(ccColor3B)color
+{
+        color_ = color;
+        for(CCMenuItem<CCRGBAProtocol>* item in subItems_)
+                [item setColor:color];
+}
+
+@end