axmol/cocos2dx/menu_nodes/CCMenuItem.cpp

/****************************************************************************
Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2008-2010 Ricardo Quesada

http://www.cocos2d-x.org

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
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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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.
****************************************************************************/
#include <cstring>
#include "CCMenuItem.h"
#include "CCPointExtension.h"
#include "CCActionInterval.h"
#include "CCSprite.h"
#include "CCLabelAtlas.h"
#include "CCLabelTTF.h"
#if CC_ENABLE_LUA
#include "CCTouchDispatcher.h"
#endif
#include <stdarg.h>

namespace cocos2d{

	static int _fontSize = kItemSize;
	static std::string _fontName = "Marker Felt";
	static bool _fontNameRelease = false;

	enum {
		kCurrentItem = 0xc0c05001,
	};

	enum {
		kZoomActionTag = 0xc0c05002,
	};
	//
	// CCMenuItem
	//
	CCMenuItem * CCMenuItem::itemWithTarget(SelectorProtocol *rec, SEL_MenuHandler selector)
	{
		CCMenuItem *pRet = new CCMenuItem();
		pRet->initWithTarget(rec, selector);
		pRet->autorelease();
		return pRet;
	}
	bool CCMenuItem::initWithTarget(SelectorProtocol *rec, SEL_MenuHandler selector)
	{
		m_tAnchorPoint = ccp(0.5f, 0.5f);
		m_pListener = rec;
		m_pfnSelector = selector;
		m_bIsEnabled = true;
		m_bIsSelected = false;
		return true;
	}
#if CC_ENABLE_LUA
	void CCMenuItem::registerMenuHandler(const char* fn)
	{
		if (fn && strlen(fn))
		{
			//SelectorProtocol is not a child of CCObject  Obj->autorelease function can not be use
			m_strScriptFunc = fn;
		}
	}
#endif
	void CCMenuItem::selected()
	{
		m_bIsSelected = true;
	}
	void CCMenuItem::unselected()
	{
		m_bIsSelected = false;
	}
	void CCMenuItem::activate()
	{
		if (m_bIsEnabled)
		{
			if (m_pListener)
			{
				(m_pListener->*m_pfnSelector)(this);
			}
#if CC_ENABLE_LUA
			else if(m_strScriptFunc.size())
			{
				schedule_MenuHandler(m_pListener, m_pfnSelector, this, m_strScriptFunc); 
			}
#endif
		}
	}
	void CCMenuItem::setIsEnabled(bool enabled)
	{
		m_bIsEnabled = enabled;
	}
	bool CCMenuItem::getIsEnabled()
	{
		return m_bIsEnabled;
	}
	CCRect CCMenuItem::rect()
	{
		return CCRectMake( m_tPosition.x - m_tContentSize.width * m_tAnchorPoint.x, 
						m_tPosition.y - m_tContentSize.height * m_tAnchorPoint.y,
						m_tContentSize.width, m_tContentSize.height);
	}
	bool CCMenuItem::getIsSelected()
	{
		return m_bIsSelected;
	}
	//
	//CCMenuItemLabel
	//
	ccColor3B CCMenuItemLabel::getDisabledColor()
	{
		return m_tDisabledColor;
	}
	void CCMenuItemLabel::setDisabledColor(ccColor3B var)
	{
		m_tDisabledColor = var;
	}
	CCNode *CCMenuItemLabel::getLabel()
	{
		return m_pLabel;
	}
	void CCMenuItemLabel::setLabel(CCNode* var)
	{
        if (var)
        {
            addChild(var);
            var->setAnchorPoint(ccp(0, 0));
            setContentSize(var->getContentSize());
        }

        if (m_pLabel)
        {
            removeChild(m_pLabel, true);
        }
        
		m_pLabel = var;
	}
	CCMenuItemLabel * CCMenuItemLabel::itemWithLabel(CCNode*label, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCMenuItemLabel *pRet = new CCMenuItemLabel();
		pRet->initWithLabel(label, target, selector);
		pRet->autorelease();
		return pRet;
	}
	bool CCMenuItemLabel::initWithLabel(CCNode* label, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCMenuItem::initWithTarget(target, selector);
		m_fOriginalScale = 1.0f;
		m_tColorBackup = ccWHITE;
		m_tDisabledColor = ccc3(126,126,126);
		this->setLabel(label);
		return true;
	}
	CCMenuItemLabel::~CCMenuItemLabel()
	{
	}
	void CCMenuItemLabel::setString(const char * label)
	{
		m_pLabel->convertToLabelProtocol()->setString(label);
		this->setContentSize(m_pLabel->getContentSize());
// 		[label_ setString:string];
// 		[self setContentSize: [label_ contentSize]];
	}
	void CCMenuItemLabel::activate()
	{
		if(m_bIsEnabled)
		{
			this->stopAllActions();
			this->setScale( m_fOriginalScale );
			CCMenuItem::activate();
		}
	}
	void CCMenuItemLabel::selected()
	{
		// subclass to change the default action
		if(m_bIsEnabled)
		{
			CCMenuItem::selected();
			this->stopActionByTag(kZoomActionTag);
			m_fOriginalScale = this->getScale();
			CCAction *zoomAction = CCScaleTo::actionWithDuration(0.1f, m_fOriginalScale * 1.2f);
	   	 	zoomAction->setTag(kZoomActionTag);
			this->runAction(zoomAction);
		}
	}
	void CCMenuItemLabel::unselected()
	{
		// subclass to change the default action
		if(m_bIsEnabled)
		{
			CCMenuItem::unselected();
			this->stopActionByTag(kZoomActionTag);
			CCAction *zoomAction = CCScaleTo::actionWithDuration(0.1f, m_fOriginalScale);
			zoomAction->setTag(kZoomActionTag);
			this->runAction(zoomAction);
		}
	}
	void CCMenuItemLabel::setIsEnabled(bool enabled)
	{
		if( m_bIsEnabled != enabled ) 
		{
			if(enabled == false)
			{
				m_tColorBackup = m_pLabel->convertToRGBAProtocol()->getColor();
				m_pLabel->convertToRGBAProtocol()->setColor(m_tDisabledColor);
			}
			else
			{
				m_pLabel->convertToRGBAProtocol()->setColor(m_tColorBackup);
			}
		}
		CCMenuItem::setIsEnabled(enabled);
	}
	void CCMenuItemLabel::setOpacity(GLubyte opacity)
	{
		m_pLabel->convertToRGBAProtocol()->setOpacity(opacity);
	}
	GLubyte CCMenuItemLabel::getOpacity()
	{
		return m_pLabel->convertToRGBAProtocol()->getOpacity();
	}
	void CCMenuItemLabel::setColor(ccColor3B color)
	{
		m_pLabel->convertToRGBAProtocol()->setColor(color);
	}
	ccColor3B CCMenuItemLabel::getColor()
	{
		return m_pLabel->convertToRGBAProtocol()->getColor();
	}

	//
	//CCMenuItemAtlasFont
	//
	CCMenuItemAtlasFont * CCMenuItemAtlasFont::itemFromString(const char *value, const char *charMapFile, int itemWidth, int itemHeight, char startCharMap)
	{
		return CCMenuItemAtlasFont::itemFromString(value, charMapFile, itemWidth, itemHeight, startCharMap, NULL, NULL);
	}

	CCMenuItemAtlasFont * CCMenuItemAtlasFont::itemFromString(const char *value, const char *charMapFile, int itemWidth, int itemHeight, char startCharMap, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCMenuItemAtlasFont *pRet = new CCMenuItemAtlasFont();
		pRet->initFromString(value, charMapFile, itemWidth, itemHeight, startCharMap, target, selector);
		pRet->autorelease();
		return pRet;
	}
	bool CCMenuItemAtlasFont::initFromString(const char *value, const char *charMapFile, int itemWidth, int itemHeight, char startCharMap, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCAssert( value != NULL && strlen(value) != 0, "value length must be greater than 0");
		CCLabelAtlas *label = new CCLabelAtlas();
		label->initWithString(value, charMapFile, itemWidth, itemHeight, startCharMap);
		label->autorelease();
		if (CCMenuItemLabel::initWithLabel(label, target, selector))
		{
			// do something ?
		}
		return true;
	}
	//
	//CCMenuItemFont
	//
	void CCMenuItemFont::setFontSize(int s)
	{
		_fontSize = s;
	}
	int CCMenuItemFont::fontSize()
	{
		return _fontSize;
	}
	void CCMenuItemFont::setFontName(const char *name)
	{
		if( _fontNameRelease )
		{
			_fontName.clear();
		}
		_fontName = name;
		_fontNameRelease = true;
	}
	const char * CCMenuItemFont::fontName()
	{
		return _fontName.c_str();
	}
	CCMenuItemFont * CCMenuItemFont::itemFromString(const char *value, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCMenuItemFont *pRet = new CCMenuItemFont();
		pRet->initFromString(value, target, selector);
		pRet->autorelease();
		return pRet;
	}
	CCMenuItemFont * CCMenuItemFont::itemFromString(const char *value)
	{
		CCMenuItemFont *pRet = new CCMenuItemFont();
		pRet->initFromString(value, NULL, NULL);
		pRet->autorelease();
		return pRet;
	}
	bool CCMenuItemFont::initFromString(const char *value, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCAssert( value != NULL && strlen(value) != 0, "Value length must be greater than 0");
		CCLabelTTF *label = CCLabelTTF::labelWithString(value, _fontName.c_str(), (float)_fontSize);
		if (CCMenuItemLabel::initWithLabel(label, target, selector))
		{
			// do something ?
		}
		return true;
	}
	//
	//CCMenuItemSprite
	//
	CCNode * CCMenuItemSprite::getNormalImage()
	{
		return m_pNormalImage;
	}
	void CCMenuItemSprite::setNormalImage(CCNode* var)
	{
        if (var)
        {
            addChild(var);
            var->setAnchorPoint(ccp(0, 0));
            var->setIsVisible(true);
        }

        if (m_pNormalImage)
        {
            removeChild(m_pNormalImage, true);
        }

        m_pNormalImage = var;
	}
	CCNode * CCMenuItemSprite::getSelectedImage()
	{
		return m_pSelectedImage;
	}
	void CCMenuItemSprite::setSelectedImage(CCNode* var)
	{
        if (var)
        {
            addChild(var);
            var->setAnchorPoint(ccp(0, 0));
            var->setIsVisible(false);
        }

        if (m_pSelectedImage)
        {
            removeChild(m_pSelectedImage, true);
        }

        m_pSelectedImage = var;
	}
	CCNode * CCMenuItemSprite::getDisabledImage()
	{
		return m_pDisabledImage;
	}
	void CCMenuItemSprite::setDisabledImage(CCNode* var)
	{
        if (var)
        {
            addChild(var);
            var->setAnchorPoint(ccp(0, 0));
            var->setIsVisible(false);
        }

        if (m_pDisabledImage)
        {
            removeChild(m_pDisabledImage, true);
        }

        m_pDisabledImage = var;
	}
    //
    //CCMenuItemSprite - CCRGBAProtocol protocol
    //
    void CCMenuItemSprite::setOpacity(GLubyte opacity)
    {
        m_pNormalImage->convertToRGBAProtocol()->setOpacity(opacity);
        m_pSelectedImage->convertToRGBAProtocol()->setOpacity(opacity);

        if (m_pDisabledImage)
        {
            m_pDisabledImage->convertToRGBAProtocol()->setOpacity(opacity);
        }
    }
    void CCMenuItemSprite::setColor(ccColor3B color)
    {
        m_pNormalImage->convertToRGBAProtocol()->setColor(color);
        m_pSelectedImage->convertToRGBAProtocol()->setColor(color);

        if (m_pDisabledImage)
        {
            m_pDisabledImage->convertToRGBAProtocol()->setColor(color);
        }
    }
    GLubyte CCMenuItemSprite::getOpacity()
    {
        return m_pNormalImage->convertToRGBAProtocol()->getOpacity();
    }
    ccColor3B CCMenuItemSprite::getColor()
    {
        return m_pNormalImage->convertToRGBAProtocol()->getColor();
    }
	CCMenuItemSprite * CCMenuItemSprite::itemFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite)
	{
		return CCMenuItemSprite::itemFromNormalSprite(normalSprite, selectedSprite, NULL, NULL, NULL);
	}
	CCMenuItemSprite * CCMenuItemSprite::itemFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		return CCMenuItemSprite::itemFromNormalSprite(normalSprite, selectedSprite, NULL, target, selector);
	}
	CCMenuItemSprite * CCMenuItemSprite::itemFromNormalSprite(CCNode *normalSprite, CCNode *selectedSprite, CCNode *disabledSprite, SelectorProtocol *target, SEL_MenuHandler selector)
	{
		CCMenuItemSprite *pRet = new CCMenuItemSprite();
		pRet->initFromNormalSprite(normalSprite, selectedSprite, disabledSprite, target, selector); 
		pRet->autorelease();
		return pRet;
	}
	bool CCMenuItemSprite::initFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite, CCNode* disabledSprite, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		assert(normalSprite != NULL);
		CCMenuItem::initWithTarget(target, selector); 
        setNormalImage(normalSprite);
        setSelectedImage(selectedSprite);
        setDisabledImage(disabledSprite);

		this->setContentSize(m_pNormalImage->getContentSize());
		return true;
	}

    /**
    @since v0.99.5
    */
    void CCMenuItemSprite::selected()
    {
        CCMenuItem::selected();

        if (m_pDisabledImage)
        {
            m_pDisabledImage->setIsVisible(false);
        }

        if (m_pSelectedImage)
        {
            m_pNormalImage->setIsVisible(false);
            m_pSelectedImage->setIsVisible(true);
        }
        else
        {
            m_pNormalImage->setIsVisible(true);
        }
    }

    void CCMenuItemSprite::unselected()
    {
        CCMenuItem::unselected();

        m_pNormalImage->setIsVisible(true);

        if (m_pSelectedImage)
        {
            m_pSelectedImage->setIsVisible(false);
        }

        if (m_pDisabledImage)
        {
            m_pDisabledImage->setIsVisible(false);
        }
    }

    void CCMenuItemSprite::setIsEnabled(bool bEnabled)
    {
        CCMenuItem::setIsEnabled(bEnabled);

        if (m_pSelectedImage)
        {
            m_pSelectedImage->setIsVisible(false);
        }

        if (bEnabled)
        {
            m_pNormalImage->setIsVisible(true);

            if (m_pDisabledImage)
            {
                m_pDisabledImage->setIsVisible(false);
            }
        }
        else
        {
            if (m_pDisabledImage)
            {
                m_pDisabledImage->setIsVisible(true);
                m_pNormalImage->setIsVisible(false);
            }
            else
            {
                m_pNormalImage->setIsVisible(true);
            }
        }
    }

	CCMenuItemImage * CCMenuItemImage::itemFromNormalImage(const char *normalImage, const char *selectedImage)
	{
		return CCMenuItemImage::itemFromNormalImage(normalImage, selectedImage, NULL, NULL, NULL);
	}
	CCMenuItemImage * CCMenuItemImage::itemFromNormalImage(const char *normalImage, const char *selectedImage, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		return CCMenuItemImage::itemFromNormalImage(normalImage, selectedImage, NULL, target, selector);
	}
	CCMenuItemImage * CCMenuItemImage::itemFromNormalImage(const char *normalImage, const char *selectedImage, const char *disabledImage, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCMenuItemImage *pRet = new CCMenuItemImage();
		if (pRet && pRet->initFromNormalImage(normalImage, selectedImage, disabledImage, target, selector))
		{
			pRet->autorelease();
			return pRet;
		}
		CC_SAFE_DELETE(pRet);
		return NULL;
	}
	CCMenuItemImage * CCMenuItemImage::itemFromNormalImage(const char *normalImage, const char *selectedImage, const char *disabledImage)
	{
		CCMenuItemImage *pRet = new CCMenuItemImage();
		if (pRet && pRet->initFromNormalImage(normalImage, selectedImage, disabledImage, NULL, NULL))
		{
			pRet->autorelease();
			return pRet;
		}
		CC_SAFE_DELETE(pRet);
		return NULL;
	}
	bool CCMenuItemImage::initFromNormalImage(const char *normalImage, const char *selectedImage, const char *disabledImage, SelectorProtocol* target, SEL_MenuHandler selector)
	{
		CCNode *normalSprite = CCSprite::spriteWithFile(normalImage);
		CCNode *selectedSprite = NULL;
		CCNode *disabledSprite = NULL;

        if (selectedImage)
        {
            selectedSprite = CCSprite::spriteWithFile(selectedImage);
        }

		if(disabledImage)
		{
			disabledSprite = CCSprite::spriteWithFile(disabledImage);
		}
		return initFromNormalSprite(normalSprite, selectedSprite, disabledSprite, target, selector);
	}
	//
	// MenuItemToggle
	//
	void CCMenuItemToggle::setSubItems(CCMutableArray<CCMenuItem*>* var)
	{
		CC_SAFE_RETAIN(var);
		CC_SAFE_RELEASE(m_pSubItems);
		m_pSubItems = var;
	}
	CCMutableArray<CCMenuItem*> *CCMenuItemToggle::getSubItems()
	{
		return m_pSubItems;
	}
	CCMenuItemToggle * CCMenuItemToggle::itemWithTarget(SelectorProtocol* target, SEL_MenuHandler selector, CCMenuItem* item, ...)
	{
		va_list args;
		va_start(args, item);
		CCMenuItemToggle *pRet = new CCMenuItemToggle();
		pRet->initWithTarget(target, selector, item, args);
		pRet->autorelease();
		va_end(args);
		return pRet;
	}
	bool CCMenuItemToggle::initWithTarget(SelectorProtocol* target, SEL_MenuHandler selector, CCMenuItem* item, va_list args)
	{
		CCMenuItem::initWithTarget(target, selector);
		this->m_pSubItems = new CCMutableArray<CCMenuItem*>();
		int z = 0;
		CCMenuItem *i = item;
		while(i) 
		{
			z++;
			m_pSubItems->addObject(i);
			i = va_arg(args, CCMenuItem*);
		}
		m_uSelectedIndex = UINT_MAX;
		this->setSelectedIndex(0);
		return true;
	}
	CCMenuItemToggle::~CCMenuItemToggle()
	{
		CC_SAFE_RELEASE(m_pSubItems);
	}
	void CCMenuItemToggle::setSelectedIndex(unsigned int index)
	{
		if( index != m_uSelectedIndex )
		{
			m_uSelectedIndex = index;
			this->removeChildByTag(kCurrentItem, false);
			CCMenuItem *item = m_pSubItems->getObjectAtIndex(m_uSelectedIndex);
			this->addChild(item, 0, kCurrentItem);
			CCSize s = item->getContentSize();
			this->setContentSize(s);
			item->setPosition( ccp( s.width/2, s.height/2 ) );
		}
	}
	unsigned int CCMenuItemToggle::getSelectedIndex()
	{
		return m_uSelectedIndex;
	}
	void CCMenuItemToggle::selected()
	{
		CCMenuItem::selected();
		m_pSubItems->getObjectAtIndex(m_uSelectedIndex)->selected();
	}
	void CCMenuItemToggle::unselected()
	{
		CCMenuItem::unselected();
		m_pSubItems->getObjectAtIndex(m_uSelectedIndex)->unselected();
	}
	void CCMenuItemToggle::activate()
	{
		// update index
		if( m_bIsEnabled ) 
		{
			unsigned int newIndex = (m_uSelectedIndex + 1) % m_pSubItems->count();
			this->setSelectedIndex(newIndex);
		}
		CCMenuItem::activate();
	}
	void CCMenuItemToggle::setIsEnabled(bool enabled)
	{
		CCMenuItem::setIsEnabled(enabled);

		if(m_pSubItems && m_pSubItems->count() > 0)
		{
			CCMutableArray<CCMenuItem*>::CCMutableArrayIterator it;
			for( it = m_pSubItems->begin(); it != m_pSubItems->end(); ++it)
			{
				(*it)->setIsEnabled(enabled);
			}
		}
	}
	CCMenuItem * CCMenuItemToggle::selectedItem()
	{
		return m_pSubItems->getObjectAtIndex(m_uSelectedIndex);
	}
	//
	//CCMenuItemToggle - CCRGBAProtocol protocol
	//
	GLubyte CCMenuItemToggle::getOpacity()
	{
		return m_cOpacity;
	}
	void CCMenuItemToggle::setOpacity(GLubyte opacity)
	{
		m_cOpacity = opacity;
		if(m_pSubItems && m_pSubItems->count() > 0)
		{
			CCMutableArray<CCMenuItem*>::CCMutableArrayIterator it;
			for( it = m_pSubItems->begin(); it != m_pSubItems->end(); ++it)
			{
				(*it)->convertToRGBAProtocol()->setOpacity(opacity);
			}
		}
	}
	ccColor3B CCMenuItemToggle::getColor()
	{
		return m_tColor;
	}
	void CCMenuItemToggle::setColor(ccColor3B color)
	{
		m_tColor = color;
		if(m_pSubItems && m_pSubItems->count() > 0)
		{
			CCMutableArray<CCMenuItem*>::CCMutableArrayIterator it;
			for( it = m_pSubItems->begin(); it != m_pSubItems->end(); ++it)
			{
				(*it)->convertToRGBAProtocol()->setColor(color);
			}
		}
	}

} // namespace cocos2d