#include <UIListViewTest.h>

类 UIListViewTest_Magnetic 继承关系图:

UIListViewTest_Magnetic 的协作图:

Protected 成员函数
virtual bool	init () override

virtual cocos2d::ui::ScrollView::Direction	getListViewDirection () const =0

Protected 属性
cocos2d::ui::ListView *	_listView

cocos2d::ui::Text *	_titleLabel

cocos2d::ui::Text *	_indexLabels [5]

Protected 属性继承自 UIScene
cocos2d::Layer *	_uiLayer

cocos2d::ui::Layout *	_widget

cocos2d::ui::Text *	_sceneTitle

Protected 属性继承自 TestCase
cocos2d::MenuItemImage *	_priorTestItem

cocos2d::MenuItemImage *	_restartTestItem

cocos2d::MenuItemImage *	_nextTestItem

cocos2d::Label *	_titleLabel

cocos2d::Label *	_subtitleLabel

额外继承的成员函数
Public 类型继承自 TestCase
enum class	Type { ROBUSTNESS , UNIT , GRAPHICAL_STATIC , MANUAL }

Public 成员函数继承自 UIScene
	UIScene ()

	~UIScene ()

virtual void	onEnter () override

Public 成员函数继承自 TestCase
	TestCase ()

	~TestCase ()

virtual std::string	title () const

virtual std::string	subtitle () const

virtual Type	getTestType () const

virtual float	getDuration () const

virtual std::string	getExpectedOutput () const

virtual std::string	getActualOutput () const

virtual void	restartTestCallback (cocos2d::Ref *sender)

virtual void	nextTestCallback (cocos2d::Ref *sender)

virtual void	priorTestCallback (cocos2d::Ref *sender)

virtual void	onBackCallback (cocos2d::Ref *sender)

void	setTestSuite (TestSuite *testSuite)

TestSuite *	getTestSuite () const

float	getRunTime () const

void	setTestCaseName (const std::string &name)

std::string	getTestCaseName () const

const cocos2d::Label *	getSubtitleLable () const

const cocos2d::MenuItemImage *	getRestartTestItem () const

Public 属性继承自 TestCase
CC_CONSTRUCTOR_ACCESS	__pad0__: virtual bool init() override

详细描述

在文件 UIListViewTest.h 第 157 行定义.

成员函数说明

◆ getListViewDirection()

virtual cocos2d::ui::ScrollView::Direction UIListViewTest_Magnetic::getListViewDirection ( ) const

protectedpure virtual

在 UIListViewTest_MagneticVertical , 以及 UIListViewTest_MagneticHorizontal 内被实现.

被这些函数引用 init().

这是这个函数的调用关系图:

◆ init()

bool UIListViewTest_Magnetic::init ( )

overrideprotectedvirtual

重载 UIScene .

在文件 UIListViewTest.cpp 第 728 行定义.

{
    if(!UIScene::init())
    {
        return false;
    }
    
    Size layerSize = _uiLayer->getContentSize();
    
    _titleLabel = Text::create("Magnetic scroll", "fonts/Marker Felt.ttf", 32);
    _titleLabel->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
    _titleLabel->setPosition(Vec2(layerSize / 2) + Vec2(0.0f, _titleLabel->getContentSize().height * 3.15f));
    _uiLayer->addChild(_titleLabel, 3);
    
    // Create the list view
    _listView = ListView::create();
    _listView->setDirection(getListViewDirection());
    _listView->setBounceEnabled(true);
    _listView->setBackGroundImage("cocosui/green_edit.png");
    _listView->setBackGroundImageScale9Enabled(true);
    _listView->setContentSize(layerSize / 2);
    _listView->setScrollBarPositionFromCorner(Vec2(7, 7));
    _listView->setItemsMargin(2.0f);
    _listView->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
    _listView->setPosition(layerSize / 2);
    _uiLayer->addChild(_listView);
    
    // Guide line for center align
    {
        DrawNode* pNode = DrawNode::create();
        Vec2 center = layerSize / 2;
        if(getListViewDirection() == ScrollView::Direction::HORIZONTAL)
        {
            float halfY = 110;
            pNode->drawLine(Vec2(center.x, center.y - halfY), Vec2(center.x, center.y + halfY), Color4F(0, 0, 0, 1));
        }
        else
        {
            float halfX = 150;
            pNode->drawLine(Vec2(center.x - halfX, center.y), Vec2(center.x + halfX, center.y), Color4F(0, 0, 0, 1));
        }
        pNode->setLineWidth(2);
        _uiLayer->addChild(pNode);
    }
    
    // Show the indexes of items on each boundary.
    {
        for(int i = 0; i < 5; ++i)
        {
            _indexLabels[i] = Text::create(" ", "fonts/Marker Felt.ttf", 12);
            _indexLabels[i]->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
            _uiLayer->addChild(_indexLabels[i]);
        }
        float deltaX = 145, deltaY = 90;
        _indexLabels[0]->setPosition(_uiLayer->getContentSize() / 2 + Size(-deltaX, 0.0f));   // left
        _indexLabels[1]->setPosition(_uiLayer->getContentSize() / 2 + Size(deltaX, 0.0f));   // right
        _indexLabels[2]->setPosition(_uiLayer->getContentSize() / 2 + Size(0.0f, deltaY));   // top
        _indexLabels[3]->setPosition(_uiLayer->getContentSize() / 2 + Size(0.0f, -deltaY));   // bottom
        _indexLabels[4]->setPosition(_uiLayer->getContentSize() / 2 + Size(deltaX, deltaY));  // center
        
        // Callback
        _listView->ScrollView::addEventListener([this](Ref* ref, ScrollView::EventType eventType) {
            ListView* listView = dynamic_cast<ListView*>(ref);
            if(listView == nullptr || eventType != ScrollView::EventType::CONTAINER_MOVED)
            {
                return;
            }
            auto left = listView->getLeftmostItemInCurrentView();
            auto right = listView->getRightmostItemInCurrentView();
            auto top = listView->getTopmostItemInCurrentView();
            auto bottom = listView->getBottommostItemInCurrentView();
            auto center = listView->getCenterItemInCurrentView();
            
            _indexLabels[0]->setString(StringUtils::format("Left\nindex=%zd", listView->getIndex(left)));
            _indexLabels[1]->setString(StringUtils::format("RIght\nindex=%zd", listView->getIndex(right)));
            _indexLabels[2]->setString(StringUtils::format("Top index=%zd", listView->getIndex(top)));
            _indexLabels[3]->setString(StringUtils::format("Bottom index=%zd", listView->getIndex(bottom)));
            _indexLabels[4]->setString(StringUtils::format("Center\nindex=%zd", listView->getIndex(center)));
        });
    }
    
    // Initial magnetic type
    _listView->setMagneticType(ListView::MagneticType::NONE);
    _titleLabel->setString("MagneticType - NONE");
    
    // Magnetic change button
    auto pButton = Button::create("cocosui/backtotoppressed.png", "cocosui/backtotopnormal.png");
    pButton->setAnchorPoint(Vec2::ANCHOR_MIDDLE_LEFT);
    pButton->setScale(0.8f);
    pButton->setPosition(Vec2(layerSize / 2) + Vec2(130.0f, -60.0f));
    pButton->setTitleText("Next Magnetic");
    pButton->addClickEventListener([this](Ref*) {
        ListView::MagneticType eCurrentType = _listView->getMagneticType();
        ListView::MagneticType eNextType = ListView::MagneticType::NONE;
        std::string sString;
        if(eCurrentType == ListView::MagneticType::NONE)
        {
            eNextType = ListView::MagneticType::CENTER;
            sString = "CENTER";
        }
        else if(eCurrentType == ListView::MagneticType::CENTER)
        {
            eNextType = ListView::MagneticType::BOTH_END;
            sString = "BOTH_END";
        }
        else if(eCurrentType == ListView::MagneticType::BOTH_END)
        {
            if(getListViewDirection() == ScrollView::Direction::HORIZONTAL)
            {
                eNextType = ListView::MagneticType::LEFT;
                sString = "LEFT";
            }
            else
            {
                eNextType = ListView::MagneticType::TOP;
                sString = "TOP";
            }
        }
        else if(eCurrentType == ListView::MagneticType::LEFT)
        {
            eNextType = ListView::MagneticType::RIGHT;
            sString = "RIGHT";
        }
        else if(eCurrentType == ListView::MagneticType::RIGHT)
        {
            eNextType = ListView::MagneticType::NONE;
            sString = "NONE";
        }
        else if(eCurrentType == ListView::MagneticType::TOP)
        {
            eNextType = ListView::MagneticType::BOTTOM;
            sString = "BOTTOM";
        }
        else if(eCurrentType == ListView::MagneticType::BOTTOM)
        {
            eNextType = ListView::MagneticType::NONE;
            sString = "NONE";
        }
        _listView->setMagneticType(eNextType);
        _titleLabel->setString(StringUtils::format("MagneticType - %s", sString.c_str()));
    });
    _uiLayer->addChild(pButton);
 
    // Add list items
    static const Size BUTTON_SIZE(100, 70);
    for (int i = 0; i < 40; ++i)
    {
        auto pButton = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
        pButton->setContentSize(BUTTON_SIZE);
        pButton->setScale9Enabled(true);
        pButton->setTitleText(StringUtils::format("Button-%d", i));
        _listView->pushBackCustomItem(pButton);
    }
    return true;
}

引用了 _indexLabels, _listView, _titleLabel, UIScene::_uiLayer, getListViewDirection() , 以及 UIScene::init().

函数调用图:

类成员变量说明

◆ _indexLabels

cocos2d::ui::Text* UIListViewTest_Magnetic::_indexLabels[5]

protected

在文件 UIListViewTest.h 第 165 行定义.

被这些函数引用 init().

◆ _listView

cocos2d::ui::ListView* UIListViewTest_Magnetic::_listView

protected

在文件 UIListViewTest.h 第 163 行定义.

被这些函数引用 init().

◆ _titleLabel

cocos2d::ui::Text* UIListViewTest_Magnetic::_titleLabel

protected

在文件 UIListViewTest.h 第 164 行定义.

被这些函数引用 init().

该类的文档由以下文件生成:

/Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIListViewTest/UIListViewTest.h
/Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIListViewTest/UIListViewTest.cpp

Protected 成员函数

Protected 属性

额外继承的成员函数

详细描述

成员函数说明

◆ getListViewDirection()

◆ init()

类成员变量说明

◆ _indexLabels

◆ _listView

◆ _titleLabel