cocosbuilder中scrollview的使用

//
//  Created by sky on 14-8-19.
#include <iostream>
#include "cocos2d.h"
#include "cocos-ext.h"
USING_NS_CC;
USING_NS_CC_EXT;

class DaojuHelpLayer:public CCLayer,
                    public CCNodeLoaderListener,
                    public CCBSelectorResolver,
                    public CCBMemberVariableAssigner
{
private:
    CCScrollView *m_pScrollView;
    CCControlButton *m_pButton;
    void onBackBtnCallback(CCObject *p,CCControlEvent *e);
public:
    static CCScene* createScene();
    static CCNode* createDaojuHelpLayer();
    DaojuHelpLayer();
    ~DaojuHelpLayer();
    
    CCB_STATIC_NEW_AUTORELEASE_OBJECT_WITH_INIT_METHOD(DaojuHelpLayer, create);

    //節點加載完畢調用
    virtual void onNodeLoaded(CCNode * pNode, CCNodeLoader * pNodeLoader);
    
    //實現CCBMemberVariableAssigner接口, 連接變量
    virtual bool onAssignCCBMemberVariable(CCObject* pTarget, const char* pMemberVariableName, CCNode* pNode);
    
    //實現CCBSelectorResolver接口， 用於連接菜單項
    virtual SEL_MenuHandler onResolveCCBCCMenuItemSelector(CCObject * pTarget, const char* pSelectorName);
    //實現CCBSelectorResolver接口， 用於連接CCControl
    virtual SEL_CCControlHandler onResolveCCBCCControlSelector(CCObject * pTarget, const char* pSelectorName);
};

class CCBReader;

class DaojuHelpLayerLoader:public CCLayerLoader
{
public:
    //使用loader創建loader類
    CCB_STATIC_NEW_AUTORELEASE_OBJECT_METHOD(DaojuHelpLayerLoader, loader);
protected:
    //調用create方法創建DaojuHelpLayer類對象
    CCB_VIRTUAL_NEW_AUTORELEASE_CREATECCNODE_METHOD(DaojuHelpLayer);
};

//
//  DaojuHelpLayer.cpp
//
//  Created by sky on 14-8-19.
//
//

#include "DaojuHelpLayer.h"

DaojuHelpLayer::DaojuHelpLayer()
{
    
}
DaojuHelpLayer::~DaojuHelpLayer()
{
    
}

CCScene* DaojuHelpLayer::createScene()
{
    CCScene *scene = CCScene::create();
    
    CCNodeLoaderLibrary *ccNodeLoaderLibrary = CCNodeLoaderLibrary::newDefaultCCNodeLoaderLibrary();
    ccNodeLoaderLibrary -> registerCCNodeLoader("DaojuHelpLayer", DaojuHelpLayerLoader::loader());
    cocos2d::extension::CCBReader *reader = new cocos2d::extension::CCBReader(ccNodeLoaderLibrary);
    reader -> autorelease();
    CCNode *node = reader->readNodeGraphFromFile("DaojuHelpUI", scene);
    CCAssert(node!=NULL, "讀取失敗");
    scene -> addChild(node);
    
    return scene;
}

CCNode* DaojuHelpLayer::createDaojuHelpLayer()
{
    CCNodeLoaderLibrary *ccNodeLoaderLibrary = CCNodeLoaderLibrary::newDefaultCCNodeLoaderLibrary();
    ccNodeLoaderLibrary -> registerCCNodeLoader("DaojuHelpLayer", DaojuHelpLayerLoader::loader());
    cocos2d::extension::CCBReader *reader = new cocos2d::extension::CCBReader(ccNodeLoaderLibrary);
    reader -> autorelease();
    CCNode *node = reader->readNodeGraphFromFile("DaojuHelpUI");
    CCAssert(node!=NULL, "讀取失敗");
    return node;
}

void DaojuHelpLayer::onNodeLoaded(cocos2d::CCNode *pNode, cocos2d::extension::CCNodeLoader *pNodeLoader)
{
    CCLog("you will enter the daoju help layer...");
    CCLog("tag:%d",m_pScrollView->getTag());
    CCLog("maxoffset:%f,%f",m_pScrollView->minContainerOffset().x,m_pScrollView->minContainerOffset().y);
    m_pScrollView -> setContentOffset(m_pScrollView->minContainerOffset());
}

bool DaojuHelpLayer::onAssignCCBMemberVariable(cocos2d::CCObject *pTarget, const char *pMemberVariableName, cocos2d::CCNode *pNode)
{
//    CCB_MEMBERVARIABLEASSIGNER_GLUE(this, "mScrollView", CCScrollView*, this->m_pScrollView);
    CCB_MEMBERVARIABLEASSIGNER_GLUE(this, "backBtn", CCControlButton*, this->m_pButton);
    CCB_MEMBERVARIABLEASSIGNER_GLUE_WEAK(this, "mScrollView", CCScrollView*, this->m_pScrollView);
    return false;
}

SEL_MenuHandler DaojuHelpLayer::onResolveCCBCCMenuItemSelector(cocos2d::CCObject *pTarget, const char *pSelectorName)
{
    return NULL;
}

SEL_CCControlHandler DaojuHelpLayer::onResolveCCBCCControlSelector(cocos2d::CCObject *pTarget, const char *pSelectorName)
{
    CCB_SELECTORRESOLVER_CCCONTROL_GLUE(this, "backToMain", DaojuHelpLayer::onBackBtnCallback);
    
    return NULL;
}

void DaojuHelpLayer::onBackBtnCallback(cocos2d::CCObject *p, CCControlEvent *e)
{
    CCLog("backBtn callback...");
}