void CocosGUIExamplesPageScene::PageInit()
{
    // page root from json
    Layout* page_root = dynamic_cast<Layout*>(GUIReader::shareReader()->widgetFromJsonFile("cocosgui/gui_examples/page_1/page_1.json"));
    m_pUILayer->addWidget(page_root);
    
    // page layout
    Layout* page_layout = dynamic_cast<Layout*>(page_root->getChildByName("page_panel"));
    
    // page view add to page layout
    PageView* pageView = PageView::create();
    pageView->setTouchEnabled(true);
    pageView->setSize(page_layout->getSize());
    
    // layout add to page view
    for (int i = 0; i < 4; ++i)
    {
        Layout* layout = Layout::create();
        layout->setSize(pageView->getSize());
        
        ImageView* imageView = ImageView::create();
        imageView->setTouchEnabled(true);
        imageView->loadTexture(page_image_textures[i]);
        imageView->setPosition(ccp(layout->getSize().width / 2, layout->getSize().height / 2));
        layout->addChild(imageView);                
        
        pageView->addPage(layout);
    }
    pageView->addEventListenerPageView(this, pagevieweventselector(CocosGUIExamplesPageScene::pageViewEvent));
    page_layout->addChild(pageView);
}