C++ ListView::addChild方法代码示例

/**
 * Creates and adds main layout to the screen.
 */
void SettingsScreen::createMainLayout() {
	// Create and add the main layout to the screen.
	VerticalLayout* mainLayout = new VerticalLayout();
	Screen::setMainWidget(mainLayout);

	ListView* listView = new ListView();
	mainLayout->addChild(listView);

	// Add set duration option row.
	this->addSetDurationRow(listView);

	// Add get duration option row.
	this->addGetDurationRow(listView);

	// Add options for setting and getting the video quality value.
	this->addVideoQualityRows(listView);

	if ( isIOS())
	{
		// Add options for setting and getting the flash mode value.
		this->addFlashModeRows(listView);

		// Add option for setting the camera roll flag.
		this->addCameraRollFlagRow(listView);

		// Add option for setting the camera controls flag.
		this->addCameraControlsFlagRow(listView);
	}

	// Add take picture button.
	mTakePictureBtn = new Button();
	mTakePictureBtn->setText(TAKE_PICTURE_BTN_TEXT);
	this->addButtonToListView(mTakePictureBtn, listView);

	if (isAndroid())
	{
		mTakenPicturePath = new Label();
		ListViewItem* listItem = new ListViewItem();
		listItem->addChild(mTakenPicturePath);
		listView->addChild(listItem);
	}

	// Add record video button.
	mRecordVideoBtn = new Button();
	mRecordVideoBtn->setText(RECORD_VIDEO_BTN_TEXT);
	this->addButtonToListView(mRecordVideoBtn, listView);

	// Add show image button.
	mShowImageScreen = new Button();
	mShowImageScreen->setText(SHOW_IMAGE_SCREEN_TEXT);
	this->addButtonToListView(mShowImageScreen, listView);

	// Add show video screen button.
	mShowVideoScreen = new Button();
	mShowVideoScreen->setText(SHOW_VIDEO_SCREEN_TEXT);
	this->addButtonToListView(mShowVideoScreen, listView);
}

/**
 * Creates and adds main layout to the screen.
 */
void SettingsScreen::createMainLayout()
{

    VerticalLayout* mainLayout = new VerticalLayout();
    Screen::setMainWidget(mainLayout);

    ListView* listView = new ListView();
    listView->fillSpaceHorizontally();
    listView->fillSpaceVertically();
    mainLayout->addChild(listView);

    ListViewItem* listItem;

    // Add IP label and edit box
    mIPEditBox = new EditBox();
    mIPEditBox->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
    listView->addChild(this->createListViewItem(IP_LABEL_TEXT, mIPEditBox));

    // Add port label and edit box
    mPortEditBox = new EditBox();
    mPortEditBox->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
    listView->addChild(this->createListViewItem(PORT_LABEL_TEXT, mPortEditBox));

    if ( isAndroid() )
    {
        mShowOnlyIfInBackground = new CheckBox();
        mShowOnlyIfInBackground->setState(true);
        listView->addChild(createListViewItem(SHOW_ONLY_IF_NOT_RUNNING, mShowOnlyIfInBackground));

        mTickerText = new EditBox();
        mTickerText->setText(TICKER_DEFAULT);
        listView->addChild(createListViewItem(TICKER_LABEL, mTickerText));

        mContentTitle = new EditBox();
        mContentTitle->setText(TITLE_DEFAULT);
        listView->addChild(createListViewItem(TITLE_LABEL, mContentTitle));
    }

    // Android: If the registrationID was already saved from previous launches,
    // do not connect again.
    MAHandle myStore = maOpenStore("MyStore", 0);
    if ( isAndroid() && myStore == STERR_NONEXISTENT
            ||
            !isAndroid() )
    {
        // Add connection status label.
        listItem = new ListViewItem;
        listView->addChild(listItem);
        mConnectionStatusLabel = new Label();
        mConnectionStatusLabel->setText(CONNECTION_NOT_ESTABLISHED);
        listItem->addChild(mConnectionStatusLabel);

        listItem = new ListViewItem;
        listView->addChild(listItem);
        mConnectButton = new Button();
        mConnectButton->setText(CONNECT_BUTTON_TEXT);
        listItem->addChild(mConnectButton);
    }
}

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.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_Vertical::selectedItemEvent, this));
        listView->addEventListener((ui::ListView::ccScrollViewCallback)CC_CALLBACK_2(UIListViewTest_Vertical::selectedItemEventScrollView,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);
        }
        
        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
//.........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.........

//.........这里部分代码省略.........
        lview = layout_Center->getChildByName<ListView*>("LView_DropOut");
    }
    lview->removeAllChildren();
    for (auto iter = itemVect->begin(); iter != itemVect->end(); iter++)
    {
        auto itemId = iter->first;
        auto itemNum = iter->second;
        
        auto layout_BtnItem = Layout_BtnItem->clone();
        auto btn_Item = layout_BtnItem->getChildByName<Button*>("Btn_Item");
        btn_Item->addClickEventListener([this, direction, itemId](Ref* sender)
        {
            if (direction)
            {
                // 不占据背包空间物品不能丢弃
                if (CfgDataRow(itemId).GetValue(CfgField::NonSpace)->asInt() == 0) {
                    return;
                }
                auto iter = m_BagItem->begin();
                while (iter != m_BagItem->end())
                {
                    if(iter->first == itemId)
                    {
                        break;
                    }
                    iter++;
                }
                if (iter != m_BagItem->end())
                {
                    
                    iter->second -= 1;
                    if(iter->second == 0)
                    {
                       m_BagItem->erase(iter);
                    }
                    
                    iter = m_DropItem->begin();
                    while (iter != m_DropItem->end())
                    {
                        if(iter->first == itemId)
                        {
                            break;
                        }
                        iter++;
                    }
                    if(iter == m_DropItem->end())
                    {
                        m_DropItem->push_back(pair<int, int>( itemId, 1));
                    }else
                    {
                        iter->second += 1;
                    }
                }
            
            }else
            {
                //判断是否金币
                if (itemId == (int)CfgIdEnum::GoldId)
                {
                    SaveGold();
                }else
                {
                    auto iter = m_DropItem->begin();
                    while (iter != m_DropItem->end())
                    {
                        if(iter->first == itemId)
                        {
                            break;
                        }
                        iter++;
                    }
                    if (iter != m_DropItem->end())
                    {
                        if (IsSaveBag(itemId))
                        {
                            iter->second -= 1;
                            if(iter->second == 0)
                            {
                                m_DropItem->erase(iter);
                            }
                        }
                    }
                }
            }
            ShowItemList(m_BagItem, true);
            ShowItemList(m_DropItem, false);
        });
        
        auto text_Name = layout_BtnItem->getChildByName<Text*>("Text_ItemName");
        CfgDataRow dataRow(itemId);
        auto langId = dataRow.GetValue(CfgField::Name)->asInt();
        auto langText = MultiLanguage::getInstance()->GetText(langId);
        text_Name->setString(langText);
        
        auto text_Num = layout_BtnItem->getChildByName<Text*>("Text_ItemNum");
        text_Num->setString(StringUtils::format("x%d", itemNum));
        lview->addChild(layout_BtnItem);
        UpdateBagItemNum();
    }
}

/**
 * Creates and adds main layout to the screen.
 */
void CreateNotificationScreen::createMainLayout()
{

	VerticalLayout* mainLayout = new VerticalLayout();
	Screen::setMainWidget(mainLayout);

	ListView* listView = new ListView();
	listView->fillSpaceHorizontally();
	listView->fillSpaceVertically();
	mainLayout->addChild(listView);

	ListViewItem* listItem;
	HorizontalLayout* hLayout;
	Widget* space;

	// ================ Content body =====================
	mContentBody = new EditBox();
	listView->addChild(createListViewItem(CONTENT_BODY_LABEL_TEXT,(Widget*) mContentBody));

	if ( isAndroid() )
	{
		// ================ Content title =====================
		mContentTitle = new EditBox();
		listView->addChild(createListViewItem(CONTENT_TITLE_LABEL_TEXT, mContentTitle));

		// ================ Ticker text =====================
		mTickerText = new EditBox();
		listView->addChild(createListViewItem(TICKER_TEXT_LABEL_TEXT, mTickerText));
	}
	else
	{
		// ================ Badge number =====================
		mBadgeNumber = new EditBox();
		mBadgeNumber->setWidth(NUMERIC_EDIT_BOX_WIDTH);
		mBadgeNumber->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
		mBadgeNumber->addEditBoxListener(this);
		listView->addChild(createListViewItem(BADGE_NUMBER_LABEL_TEXT, mBadgeNumber));

		// ================ Alert action =====================
		mAlertAction = new EditBox();
		mAlertAction->addEditBoxListener(this);
		listView->addChild(createListViewItem(ALERT_ACTION_LABEL_TEXT, mAlertAction));
	}

	// ================ Play sound =====================
	mPlaySound = new CheckBox();
	listView->addChild(createListViewItem(PLAY_SOUND_LABEL_TEXT, mPlaySound));

	if ( isAndroid() )
	{
		// ================ Sound path=====================
		mSoundPath = new EditBox();
		listView->addChild(createListViewItem(SOUND_PATH_LABEL_TEXT, mSoundPath));

		// ================ Vibrate =====================
		mVibrate = new CheckBox();
		listView->addChild(createListViewItem(VIBRATE_LABEL_TEXT, mVibrate));

		mVibrateDuration = new EditBox();
		mVibrateDuration->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
		listView->addChild(createListViewItem(VIBRATE_DURATION_LABEL_TEXT, mVibrateDuration));

		// ================ Flashing LED =====================
		mFlash = new CheckBox();
		listView->addChild(createListViewItem(FLASH_LABEL_TEXT, mFlash));
		// The pattern
		mFlashColor = new EditBox();
		listView->addChild(createListViewItem(FLASH_COLOR_LABEL_TEXT, mFlashColor));
		mFlashOnLength = new EditBox();
		mFlashOnLength->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
		listView->addChild(createListViewItem(FLASH_ON_LABEL_TEXT, mFlashOnLength));
		mFlashOffLength = new EditBox();
		mFlashOffLength->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
		listView->addChild(createListViewItem(FLASH_OFF_LABEL_TEXT, mFlashOffLength));
	}

	// ================ Fire time =====================
	mTime = new EditBox();
	mTime->setWidth(NUMERIC_EDIT_BOX_WIDTH);
	mTime->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
	listView->addChild(createListViewItem(FIRE_TIME_LABEL_TEXT, mTime));

	// ================= Send image button ================
	hLayout = new HorizontalLayout();
	hLayout->fillSpaceHorizontally();
	listItem = new ListViewItem();
	listItem->addChild(hLayout);
	listView->addChild(listItem);
	mCreateNotificationButton = new ImageButton();
	mCreateNotificationButton->setImage(RES_IMAGE);

	space = this->createSpacer();
	hLayout->addChild(space);
	hLayout->addChild(mCreateNotificationButton);

	// Align the image button at the center of the layout.
	// Only after adding the image button widget to layout the widget's width
//.........这里部分代码省略.........