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//
//  UIFocusTest.cpp
//  cocos2d_tests
//
//  Created by guanghui on 5/4/14.
//
//

#include "UIFocusTest.h"

USING_NS_CC;
using namespace cocos2d::ui;

UIFocusTests::UIFocusTests()
{
    ADD_TEST_CASE(UIFocusTestHorizontal);
    ADD_TEST_CASE(UIFocusTestVertical);
    ADD_TEST_CASE(UIFocusTestNestedLayout1);
    ADD_TEST_CASE(UIFocusTestNestedLayout2);
    ADD_TEST_CASE(UIFocusTestNestedLayout3);
}

UIFocusTestBase::UIFocusTestBase() {}

UIFocusTestBase::~UIFocusTestBase()
{
    _eventDispatcher->removeEventListener(_eventListener);
}

bool UIFocusTestBase::init()
{
    if (UIScene::init())
    {
        Layout* root = static_cast<Layout*>(_uiLayer->getChildByTag(81));

        Layout* background = dynamic_cast<Layout*>(root->getChildByName("background_Panel"));
        background->removeFromParentAndCleanup(true);

        _dpadMenu = Menu::create();

        auto winSize  = Director::getInstance()->getVisibleSize();
        auto leftItem = MenuItemFont::create("Left", CC_CALLBACK_0(UIFocusTestBase::onLeftKeyPressed, this));
        leftItem->setPosition(Vec2(winSize.width - 100, winSize.height / 2));
        _dpadMenu->addChild(leftItem);

        auto rightItem = MenuItemFont::create("Right", CC_CALLBACK_0(UIFocusTestBase::onRightKeyPressed, this));
        rightItem->setPosition(Vec2(winSize.width - 30, winSize.height / 2));
        _dpadMenu->addChild(rightItem);

        auto upItem = MenuItemFont::create("Up", CC_CALLBACK_0(UIFocusTestBase::onUpKeyPressed, this));
        upItem->setPosition(Vec2(winSize.width - 60, winSize.height / 2 + 50));
        _dpadMenu->addChild(upItem);

        auto downItem = MenuItemFont::create("Down", CC_CALLBACK_0(UIFocusTestBase::onDownKeyPressed, this));
        downItem->setPosition(Vec2(winSize.width - 60, winSize.height / 2 - 50));
        _dpadMenu->addChild(downItem);

        _dpadMenu->setPosition(Vec2::ZERO);
        _uiLayer->addChild(_dpadMenu);

        // call this method to enable Dpad focus navigation
        Widget::enableDpadNavigation(true);

        _eventListener                 = EventListenerFocus::create();
        _eventListener->onFocusChanged = CC_CALLBACK_2(UIFocusTestBase::onFocusChanged, this);

        _eventDispatcher->addEventListenerWithFixedPriority(_eventListener, 1);

        _toggleButton = Button::create("cocosui/switch-mask.png");
        _toggleButton->setTitleText("Toggle Loop");
        _toggleButton->setPosition(Vec2(60.0f, winSize.height - 50));
        _toggleButton->setTitleColor(Color3B::RED);
        _toggleButton->setFocusEnabled(false);
        this->addChild(_toggleButton);

        return true;
    }

    return false;
}

void UIFocusTestBase::onImageViewClicked(cocos2d::Ref* ref, Widget::TouchEventType touchType)
{
    if (touchType == Widget::TouchEventType::ENDED)
    {
        Widget* w = (Widget*)ref;
        if (w->isFocusEnabled())
        {
            w->setFocusEnabled(false);
            w->setColor(Color3B::YELLOW);
        }
        else
        {
            w->setFocusEnabled(true);
            w->setColor(Color3B::WHITE);
        }
    }
}

void UIFocusTestBase::onLeftKeyPressed()
{
    cocos2d::EventKeyboard::KeyCode cocos2dKey = EventKeyboard::KeyCode::KEY_DPAD_LEFT;
    cocos2d::EventKeyboard event(cocos2dKey, false);
    cocos2d::Director::getInstance()->getEventDispatcher()->dispatchEvent(&event);
}

void UIFocusTestBase::onRightKeyPressed()
{
    cocos2d::EventKeyboard::KeyCode cocos2dKey = EventKeyboard::KeyCode::KEY_DPAD_RIGHT;
    cocos2d::EventKeyboard event(cocos2dKey, false);
    cocos2d::Director::getInstance()->getEventDispatcher()->dispatchEvent(&event);
}

void UIFocusTestBase::onUpKeyPressed()
{
    cocos2d::EventKeyboard::KeyCode cocos2dKey = EventKeyboard::KeyCode::KEY_DPAD_UP;
    cocos2d::EventKeyboard event(cocos2dKey, false);
    cocos2d::Director::getInstance()->getEventDispatcher()->dispatchEvent(&event);
}

void UIFocusTestBase::onDownKeyPressed()
{
    cocos2d::EventKeyboard::KeyCode cocos2dKey = EventKeyboard::KeyCode::KEY_DPAD_DOWN;
    cocos2d::EventKeyboard event(cocos2dKey, false);
    cocos2d::Director::getInstance()->getEventDispatcher()->dispatchEvent(&event);
}

void UIFocusTestBase::onFocusChanged(cocos2d::ui::Widget* widgetLostFocus, cocos2d::ui::Widget* widgetGetFocus)
{
    if (widgetGetFocus && widgetGetFocus->isFocusEnabled())
    {
        widgetGetFocus->setColor(Color3B::RED);
    }

    if (widgetLostFocus && widgetLostFocus->isFocusEnabled())
    {
        widgetLostFocus->setColor(Color3B::WHITE);
    }

    if (widgetLostFocus && widgetGetFocus)
    {
        CCLOG("on focus change, %d widget get focus, %d widget lose focus", widgetGetFocus->getTag(),
              widgetLostFocus->getTag());
    }
}

// UIFocusTestHorizontal
UIFocusTestHorizontal::UIFocusTestHorizontal() {}

UIFocusTestHorizontal::~UIFocusTestHorizontal() {}

bool UIFocusTestHorizontal::init()
{
    if (UIFocusTestBase::init())
    {

        Size winSize = Director::getInstance()->getVisibleSize();

        _horizontalLayout = HBox::create();
        _horizontalLayout->setPosition(Vec2(20.0f, winSize.height / 2 + 40));
        _uiLayer->addChild(_horizontalLayout);

        _horizontalLayout->setFocused(true);
        _horizontalLayout->setLoopFocus(true);
        _horizontalLayout->setTag(100);
        _firstFocusedWidget = _horizontalLayout;

        int count = 3;
        for (int i = 0; i < count; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setTouchEnabled(true);
            w->setTag(i);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestHorizontal::onImageViewClicked, this));
            _horizontalLayout->addChild(w);
        }

        _loopText = Text::create("loop enabled", "Arial", 20);
        _loopText->setPosition(Vec2(winSize.width / 2, winSize.height - 50));
        _loopText->setColor(Color3B::GREEN);
        this->addChild(_loopText);

        _toggleButton->addTouchEventListener(CC_CALLBACK_2(UIFocusTestHorizontal::toggleFocusLoop, this));

        return true;
    }
    return false;
}

void UIFocusTestHorizontal::toggleFocusLoop(cocos2d::Ref* pObjc, Widget::TouchEventType type)
{
    if (type == Widget::TouchEventType::ENDED)
    {
        _horizontalLayout->setLoopFocus(!_horizontalLayout->isLoopFocus());
        if (_horizontalLayout->isLoopFocus())
        {
            _loopText->setString("loop enabled");
        }
        else
        {
            _loopText->setString("loop disabled");
        }
    }
}

// UIFocusTestVertical
UIFocusTestVertical::UIFocusTestVertical() {}

UIFocusTestVertical::~UIFocusTestVertical() {}

bool UIFocusTestVertical::init()
{
    if (UIFocusTestBase::init())
    {

        Size winSize = Director::getInstance()->getVisibleSize();

        _verticalLayout = VBox::create();
        _verticalLayout->setPosition(Vec2(winSize.width / 2 - 100, winSize.height - 70));
        _uiLayer->addChild(_verticalLayout);
        _verticalLayout->setTag(100);
        _verticalLayout->setScale(0.5);

        _verticalLayout->setFocused(true);
        _verticalLayout->setLoopFocus(true);
        _firstFocusedWidget = _verticalLayout;

        int count = 3;
        for (int i = 0; i < count; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setTouchEnabled(true);
            w->setTag(i);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestVertical::onImageViewClicked, this));
            _verticalLayout->addChild(w);
        }

        _loopText = Text::create("loop enabled", "Arial", 20);
        _loopText->setPosition(Vec2(winSize.width / 2, winSize.height - 50));
        _loopText->setColor(Color3B::GREEN);
        this->addChild(_loopText);

        _toggleButton->addTouchEventListener(CC_CALLBACK_2(UIFocusTestVertical::toggleFocusLoop, this));

        return true;
    }
    return false;
}

void UIFocusTestVertical::toggleFocusLoop(cocos2d::Ref* pObjc, Widget::TouchEventType type)
{
    if (type == Widget::TouchEventType::ENDED)
    {
        _verticalLayout->setLoopFocus(!_verticalLayout->isLoopFocus());
        if (_verticalLayout->isLoopFocus())
        {
            _loopText->setString("loop enabled");
        }
        else
        {
            _loopText->setString("loop disabled");
        }
    }
}

// UIFocusTestNestedLayout1
UIFocusTestNestedLayout1::UIFocusTestNestedLayout1() {}

UIFocusTestNestedLayout1::~UIFocusTestNestedLayout1() {}

bool UIFocusTestNestedLayout1::init()
{
    if (UIFocusTestBase::init())
    {

        Size winSize = Director::getInstance()->getVisibleSize();

        _verticalLayout = VBox::create();
        _verticalLayout->setPosition(Vec2(winSize.width / 2 - 80, winSize.height - 70));
        _uiLayer->addChild(_verticalLayout);
        _verticalLayout->setScale(0.5);

        _verticalLayout->setFocused(true);
        _verticalLayout->setLoopFocus(true);
        _verticalLayout->setTag(100);
        _firstFocusedWidget = _verticalLayout;

        int count1 = 1;
        for (int i = 0; i < count1; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setAnchorPoint(Vec2::ZERO);
            w->setTouchEnabled(true);
            w->setScaleX(2.5);
            w->setTag(i + count1);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout1::onImageViewClicked, this));
            _verticalLayout->addChild(w);
        }

        // add HBox into VBox
        HBox* hbox = HBox::create();
        hbox->setScale(0.8f);
        hbox->setTag(101);
        _verticalLayout->addChild(hbox);

        int count2 = 2;
        for (int i = 0; i < count2; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setAnchorPoint(Vec2(0, 1));
            w->setScaleY(2.0);
            w->setTouchEnabled(true);
            w->setTag(i + count1 + count2);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout1::onImageViewClicked, this));
            hbox->addChild(w);
        }

        VBox* innerVBox = VBox::create();
        hbox->addChild(innerVBox);
        innerVBox->setTag(102);
        //        innerVBox->setPassFocusToChild(false);
        //        innerVBox->setFocusEnabled(false);

        int count3 = 2;
        for (int i = 0; i < count3; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setTouchEnabled(true);
            w->setTag(i + count1 + count2 + count3);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout1::onImageViewClicked, this));
            innerVBox->addChild(w);
        }

        _loopText = Text::create("loop enabled", "Arial", 20);
        _loopText->setPosition(Vec2(winSize.width / 2, winSize.height - 50));
        _loopText->setColor(Color3B::GREEN);
        this->addChild(_loopText);

        _toggleButton->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout1::toggleFocusLoop, this));

        return true;
    }
    return false;
}

void UIFocusTestNestedLayout1::toggleFocusLoop(cocos2d::Ref* pObjc, Widget::TouchEventType type)
{
    if (type == Widget::TouchEventType::ENDED)
    {
        _verticalLayout->setLoopFocus(!_verticalLayout->isLoopFocus());
        if (_verticalLayout->isLoopFocus())
        {
            _loopText->setString("loop enabled");
        }
        else
        {
            _loopText->setString("loop disabled");
        }
    }
}

// UIFocusTestNestedLayout2
UIFocusTestNestedLayout2::UIFocusTestNestedLayout2() {}

UIFocusTestNestedLayout2::~UIFocusTestNestedLayout2() {}

bool UIFocusTestNestedLayout2::init()
{
    if (UIFocusTestBase::init())
    {

        Size winSize = Director::getInstance()->getVisibleSize();

        _horizontalLayout = HBox::create();
        _horizontalLayout->setPosition(Vec2(winSize.width / 2 - 200, winSize.height - 70));
        _uiLayer->addChild(_horizontalLayout);
        _horizontalLayout->setScale(0.6f);

        _horizontalLayout->setFocused(true);
        _horizontalLayout->setLoopFocus(true);
        _horizontalLayout->setTag(100);
        _firstFocusedWidget = _horizontalLayout;

        int count1 = 2;
        for (int i = 0; i < count1; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setAnchorPoint(Vec2(0, 1));
            w->setTouchEnabled(true);
            w->setTag(i + count1);
            w->setScaleY(2.4f);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout2::onImageViewClicked, this));
            _horizontalLayout->addChild(w);
        }

        // add HBox into VBox
        VBox* vbox = VBox::create();
        vbox->setScale(0.8f);
        vbox->setTag(101);
        _horizontalLayout->addChild(vbox);

        int count2 = 2;
        for (int i = 0; i < count2; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setAnchorPoint(Vec2(0, 1));
            w->setScaleX(2.0);
            w->setTouchEnabled(true);
            w->setTag(i + count1 + count2);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout2::onImageViewClicked, this));
            vbox->addChild(w);
        }

        HBox* innerHBox = HBox::create();
        vbox->addChild(innerHBox);
        innerHBox->setTag(102);
        //        innerVBox->setPassFocusToChild(false);
        //        innerVBox->setFocusEnabled(false);

        int count3 = 2;
        for (int i = 0; i < count3; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setTouchEnabled(true);
            w->setTag(i + count1 + count2 + count3);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout2::onImageViewClicked, this));
            innerHBox->addChild(w);
        }

        _loopText = Text::create("loop enabled", "Arial", 20);
        _loopText->setPosition(Vec2(winSize.width / 2, winSize.height - 50));
        _loopText->setColor(Color3B::GREEN);
        this->addChild(_loopText);

        _toggleButton->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout2::toggleFocusLoop, this));

        return true;
    }
    return false;
}

void UIFocusTestNestedLayout2::toggleFocusLoop(cocos2d::Ref* pObjc, Widget::TouchEventType type)
{
    if (type == Widget::TouchEventType::ENDED)
    {
        _horizontalLayout->setLoopFocus(!_horizontalLayout->isLoopFocus());
        if (_horizontalLayout->isLoopFocus())
        {
            _loopText->setString("loop enabled");
        }
        else
        {
            _loopText->setString("loop disabled");
        }
    }
}

// UIFocusTestNestedLayout3
UIFocusTestNestedLayout3::UIFocusTestNestedLayout3() {}

UIFocusTestNestedLayout3::~UIFocusTestNestedLayout3() {}

bool UIFocusTestNestedLayout3::init()
{
    if (UIFocusTestBase::init())
    {

        Size winSize = Director::getInstance()->getVisibleSize();

        _verticalLayout = VBox::create();
        _verticalLayout->setPosition(Vec2(40.0f, winSize.height - 70));
        _uiLayer->addChild(_verticalLayout);
        _verticalLayout->setScale(0.8f);

        _verticalLayout->setFocused(true);
        _verticalLayout->setLoopFocus(true);
        _verticalLayout->setTag(-1000);
        _firstFocusedWidget = _verticalLayout;

        HBox* upperHBox = HBox::create();
        upperHBox->setTag(-200);
        _verticalLayout->addChild(upperHBox);

        LinearLayoutParameter* params = LinearLayoutParameter::create();
        params->setMargin(Margin(0.0f, 0.0f, 50.0f, 0.0f));

        LinearLayoutParameter* vparams = LinearLayoutParameter::create();
        vparams->setMargin(Margin(10.0f, 0.0f, 0.0f, 140.0f));
        upperHBox->setLayoutParameter(vparams);

        int count = 3;
        for (int i = 0; i < count; ++i)
        {
            VBox* firstVbox = VBox::create();
            firstVbox->setScale(0.5);
            firstVbox->setLayoutParameter(params);
            firstVbox->setTag((i + 1) * 100);

            int count1 = 3;
            for (int j = 0; j < count1; ++j)
            {
                ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
                w->setTouchEnabled(true);
                w->setTag(j + firstVbox->getTag() + 1);
                w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestBase::onImageViewClicked, this));
                firstVbox->addChild(w);
            }

            upperHBox->addChild(firstVbox);
        }

        HBox* bottomHBox = HBox::create();
        bottomHBox->setScale(0.5);
        bottomHBox->setTag(600);

        bottomHBox->setLayoutParameter(vparams);
        count                               = 3;
        LinearLayoutParameter* bottomParams = LinearLayoutParameter::create();
        bottomParams->setMargin(Margin(0.0f, 0.0f, 8.0f, 0.0f));
        for (int i = 0; i < count; ++i)
        {
            ImageView* w = ImageView::create("cocosui/scrollviewbg.png");
            w->setLayoutParameter(bottomParams);
            w->setTouchEnabled(true);
            w->setTag(i + 601);
            w->addTouchEventListener(CC_CALLBACK_2(UIFocusTestBase::onImageViewClicked, this));
            bottomHBox->addChild(w);
        }
        _verticalLayout->addChild(bottomHBox);

        _loopText = Text::create("loop enabled", "Arial", 20);
        _loopText->setPosition(Vec2(winSize.width / 2, winSize.height - 50));
        _loopText->setColor(Color3B::GREEN);
        this->addChild(_loopText);

        _toggleButton->addTouchEventListener(CC_CALLBACK_2(UIFocusTestNestedLayout3::toggleFocusLoop, this));

        return true;
    }
    return false;
}

void UIFocusTestNestedLayout3::toggleFocusLoop(cocos2d::Ref* pObjc, Widget::TouchEventType type)
{
    if (type == Widget::TouchEventType::ENDED)
    {
        _verticalLayout->setLoopFocus(!_verticalLayout->isLoopFocus());
        if (_verticalLayout->isLoopFocus())
        {
            _loopText->setString("loop enabled");
        }
        else
        {
            _loopText->setString("loop disabled");
        }
    }
}