C++ ListView::addEventListener方法代码示例

static int lua_cocos2dx_ListView_addScrollViewEventListener(lua_State* L)
{
    if (nullptr == L)
        return 0;
    
    int argc = 0;
    ListView* self = nullptr;
    
#if COCOS2D_DEBUG >= 1
    tolua_Error tolua_err;
	if (!tolua_isusertype(L,1,"ccui.ListView",0,&tolua_err)) goto tolua_lerror;
#endif
    
    self = static_cast<ListView*>(tolua_tousertype(L,1,0));
    
#if COCOS2D_DEBUG >= 1
	if (nullptr == self) {
		tolua_error(L,"invalid 'self' in function 'lua_cocos2dx_ListView_addScrollViewEventListener'\n", NULL);
		return 0;
	}
#endif
    argc = lua_gettop(L) - 1;
    if (1 == argc)
    {
#if COCOS2D_DEBUG >= 1
        if (!toluafix_isfunction(L,2,"LUA_FUNCTION",0,&tolua_err))
        {
            goto tolua_lerror;
        }
#endif
        LUA_FUNCTION handler = (  toluafix_ref_function(L,2,0));
        
        auto scrollViewCallback = [=](cocos2d::Ref* ref, ui::ScrollView::EventType eventType){
            handleUIEvent(handler, ref, (int)eventType);
        };
        self->addEventListener((ui::ScrollView::ccScrollViewCallback)scrollViewCallback);
        
        ScriptHandlerMgr::getInstance()->addCustomHandler((void*)self, handler);
        return 0;
    }
    
    luaL_error(L, "'addScrollViewEventListener' function of ListView has wrong number of arguments: %d, was expecting %d\n", argc, 1);
    
    return 0;
    
#if COCOS2D_DEBUG >= 1
tolua_lerror:
    tolua_error(L,"#ferror in function 'addScrollViewEventListener'.",&tolua_err);
    return 0;
#endif
}

bool UIListViewTest_Horizontal::init()
{
    if (UIScene::init())
    {
        Size widgetSize = _widget->getContentSize();
        
        _displayValueLabel = Text::create("Move by horizontal direction", "fonts/Marker Felt.ttf", 32);
        _displayValueLabel->setAnchorPoint(Vec2(0.5f, -1.0f));
        _displayValueLabel->setPosition(Vec2(widgetSize.width / 2.0f,
                                              widgetSize.height / 2.0f
                                              + _displayValueLabel->getContentSize().height * 1.5f));
        
        _uiLayer->addChild(_displayValueLabel);
        
        
        Text* alert = Text::create("ListView horizontal", "fonts/Marker Felt.ttf", 30);
        alert->setColor(Color3B(159, 168, 176));
        alert->setPosition(Vec2(widgetSize.width / 2.0f, widgetSize.height / 2.0f - alert->getContentSize().height * 3.075f));
        _uiLayer->addChild(alert);
        
        Layout* root = static_cast<Layout*>(_uiLayer->getChildByTag(81));
        
        Layout* background = static_cast<Layout*>(root->getChildByName("background_Panel"));
        Size backgroundSize = background->getContentSize();
        
        
        // create list view ex data
      
        for (int i = 0; i < 20; ++i)
        {
            std::string ccstr = StringUtils::format("listview_item_%d", i);
            _array.push_back(ccstr);
        }
        
        
        // Create the list view ex
        ListView* listView = ListView::create();
        // set list view ex direction
        listView->setDirection(ui::ScrollView::Direction::HORIZONTAL);
        listView->setTouchEnabled(true);
        listView->setBounceEnabled(true);
        listView->setBackGroundImage("cocosui/green_edit.png");
        listView->setBackGroundImageScale9Enabled(true);
        listView->setContentSize(Size(240, 130));
        listView->setPosition(Vec2((widgetSize.width - backgroundSize.width) / 2.0f +
                                    (backgroundSize.width - listView->getContentSize().width) / 2.0f,
                                    (widgetSize.height - backgroundSize.height) / 2.0f +
                                    (backgroundSize.height - listView->getContentSize().height) / 2.0f));
        listView->addEventListener((ui::ListView::ccListViewCallback)CC_CALLBACK_2(UIListViewTest_Horizontal::selectedItemEvent, this));
        _uiLayer->addChild(listView);
        
        
        // create model
        Button* default_button = Button::create("cocosui/backtotoppressed.png", "cocosui/backtotopnormal.png");
        default_button->setName("Title Button");
        
        Layout *default_item = Layout::create();
        default_item->setTouchEnabled(true);
        default_item->setContentSize(default_button->getContentSize());
        default_button->setPosition(Vec2(default_item->getContentSize().width / 2.0f, default_item->getContentSize().height / 2.0f));
        default_item->addChild(default_button);
        
        // set model
        listView->setItemModel(default_item);
        
        // add default item
        ssize_t count = _array.size();
        for (int i = 0; i < count / 4; ++i)
        {
            listView->pushBackDefaultItem();
        }
        // insert default item
        for (int i = 0; i < count / 4; ++i)
        {
            listView->insertDefaultItem(0);
        }
        
        // add custom item
        for (int i = 0; i < count / 4; ++i)
        {
            Button* custom_button = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
            custom_button->setName("Title Button");
            custom_button->setScale9Enabled(true);
            custom_button->setContentSize(default_button->getContentSize());
            
            Layout* custom_item = Layout::create();
            custom_item->setContentSize(custom_button->getContentSize());
            custom_button->setPosition(Vec2(custom_item->getContentSize().width / 2.0f, custom_item->getContentSize().height / 2.0f));
            custom_item->addChild(custom_button);
            
            listView->pushBackCustomItem(custom_item);
        }
        // insert custom item
        Vector<Widget*>& items = listView->getItems();
        ssize_t items_count = items.size();
        for (int i = 0; i < count / 4; ++i)
        {
            Button* custom_button = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
            custom_button->setName("Title Button");
            custom_button->setScale9Enabled(true);
//.........这里部分代码省略.........

bool UIListViewTest_Vertical::init()
{
    if (UIScene::init())
    {
        Size widgetSize = _widget->getContentSize();
        
        _displayValueLabel = Text::create("Move by vertical direction", "fonts/Marker Felt.ttf", 32);
        _displayValueLabel->setAnchorPoint(Vec2(0.5f, -1.0f));
        _displayValueLabel->setPosition(Vec2(widgetSize.width / 2.0f,
                                              widgetSize.height / 2.0f + _displayValueLabel->getContentSize().height * 1.5f));
        _uiLayer->addChild(_displayValueLabel);
        
        
        Text* alert = Text::create("ListView vertical", "fonts/Marker Felt.ttf", 30);
        alert->setColor(Color3B(159, 168, 176));
        alert->setPosition(Vec2(widgetSize.width / 2.0f,
                                 widgetSize.height / 2.0f - alert->getContentSize().height * 3.075f));
        _uiLayer->addChild(alert);
        
        Layout* root = static_cast<Layout*>(_uiLayer->getChildByTag(81));
        
        Layout* background = dynamic_cast<Layout*>(root->getChildByName("background_Panel"));
        Size backgroundSize = background->getContentSize();
        
        
        // create list view ex data
       
        for (int i = 0; i < 20; ++i)
        {
            std::string ccstr = StringUtils::format("listview_item_%d", i);
            _array.push_back(ccstr);
        }
        
        
        // Create the list view ex
        ListView* listView = ListView::create();
        // set list view ex direction
        listView->setDirection(ui::ScrollView::Direction::VERTICAL);
        listView->setBounceEnabled(true);
        listView->setBackGroundImage("cocosui/green_edit.png");
        listView->setBackGroundImageScale9Enabled(true);
        listView->setContentSize(Size(240, 130));
		listView->setPosition(Vec2((widgetSize - listView->getContentSize()) / 2.0f));
        listView->addEventListener((ui::ListView::ccListViewCallback)CC_CALLBACK_2(UIListViewTest_Vertical::selectedItemEvent, this));
        listView->addEventListener((ui::ListView::ccScrollViewCallback)CC_CALLBACK_2(UIListViewTest_Vertical::selectedItemEventScrollView,this));
		listView->setScrollBarPositionFromCorner(Vec2(7, 7));
        _uiLayer->addChild(listView);
        
        
        // create model
        Button* default_button = Button::create("cocosui/backtotoppressed.png", "cocosui/backtotopnormal.png");
        default_button->setName("Title Button");
        
        Layout* default_item = Layout::create();
        default_item->setTouchEnabled(true);
        default_item->setContentSize(default_button->getContentSize());
		default_button->setPosition(Vec2(default_item->getContentSize() / 2.0f));
        default_item->addChild(default_button);
        
        // set model
        listView->setItemModel(default_item);
        
        // add default item
        ssize_t count = _array.size();
        for (int i = 0; i < count / 4; ++i)
        {
            listView->pushBackDefaultItem();
        }
        // insert default item
        for (int i = 0; i < count / 4; ++i)
        {
            listView->insertDefaultItem(0);
        }
        
        listView->removeAllChildren();
        
        Sprite* testSprite = Sprite::create("cocosui/backtotoppressed.png");
        testSprite->setPosition(Vec2(200,200));
        listView->addChild(testSprite);
        
        // add custom item
        for (int i = 0; i < count / 4; ++i)
        {
            Button* custom_button = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
            custom_button->setName("Title Button");
            custom_button->setScale9Enabled(true);
            custom_button->setContentSize(default_button->getContentSize());
            
            Layout *custom_item = Layout::create();
            custom_item->setContentSize(custom_button->getContentSize());
            custom_button->setPosition(Vec2(custom_item->getContentSize().width / 2.0f, custom_item->getContentSize().height / 2.0f));
            custom_item->addChild(custom_button);
            
            listView->addChild(custom_item);
        }
        // insert custom item
        Vector<Widget*>& items = listView->getItems();
        ssize_t items_count = items.size();
        for (int i = 0; i < count / 4; ++i)
        {
//.........这里部分代码省略.........