axmol/cocos/ui/UIText.cpp

/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "ui/UIText.h"

NS_CC_BEGIN

namespace ui {

static const int LABEL_RENDERER_Z = (-1);
    
IMPLEMENT_CLASS_GUI_INFO(Text)

Text::Text():
_touchScaleChangeEnabled(false),
_normalScaleValueX(1.0f),
_normalScaleValueY(1.0f),
_fontName("Thonburi"),
_fontSize(10),
_onSelectedScaleOffset(0.5),
_labelRenderer(nullptr),
_labelRendererAdaptDirty(true),
_type(Type::SYSTEM)
{
}

Text::~Text()
{
    
}

Text* Text::create()
{
    Text* widget = new Text();
    if (widget && widget->init())
    {
        widget->autorelease();
        return widget;
    }
    CC_SAFE_DELETE(widget);
    return nullptr;
}

bool Text::init()
{
    if (Widget::init())
    {
        return true;
    }
    return false;
}
    
Text* Text::create(const std::string &textContent, const std::string &fontName, int fontSize)
{
    Text *text = new Text;
    if (text && text->init(textContent, fontName, fontSize)) {
        text->autorelease();
        return text;
    }
    CC_SAFE_DELETE(text);
    return nullptr;
}
    
bool Text::init(const std::string &textContent, const std::string &fontName, int fontSize)
{
    bool ret = true;
    do {
        if (!Widget::init()) {
            ret = false;
            break;
        }
        this->setString(textContent);
        this->setFontName(fontName);
        this->setFontSize(fontSize);
    } while (0);
    return ret;
}

void Text::initRenderer()
{
    _labelRenderer = Label::create();
    addProtectedChild(_labelRenderer, LABEL_RENDERER_Z, -1);
}

    
void Text::setString(const std::string &text)
{
    _labelRenderer->setString(text);
    updateContentSizeWithTextureSize(_labelRenderer->getContentSize());
    _labelRendererAdaptDirty = true;
}
    
const std::string& Text::getString() const
{
    return _labelRenderer->getString();
}

ssize_t Text::getStringLength()const
{
    return _labelRenderer->getStringLength();
}

void Text::setFontSize(int size)
{
    if (_type == Type::SYSTEM) {
        _labelRenderer->setSystemFontSize(size);
    }
    else{
        TTFConfig config = _labelRenderer->getTTFConfig();
        config.fontSize = size;
        _labelRenderer->setTTFConfig(config);
    }
    _fontSize = size;
    updateContentSizeWithTextureSize(_labelRenderer->getContentSize());
    _labelRendererAdaptDirty = true;
}
    
int Text::getFontSize()
{
    return _fontSize;
}

void Text::setFontName(const std::string& name)
{
    if(FileUtils::getInstance()->isFileExist(name))
    {
        TTFConfig config = _labelRenderer->getTTFConfig();
        config.fontFilePath = name;
        config.fontSize = _fontSize;
        _labelRenderer->setTTFConfig(config);
        _type = Type::TTF;
    }
    else{
        _labelRenderer->setSystemFontName(name);
        _type = Type::SYSTEM;
    }
    _fontName = name;
    updateContentSizeWithTextureSize(_labelRenderer->getContentSize());
    _labelRendererAdaptDirty = true;
}
    
const std::string& Text::getFontName()
{
    return _fontName;
}
    
Text::Type Text::getType() const
{
    return _type;
}

void Text::setTextAreaSize(const Size &size)
{
    _labelRenderer->setDimensions(size.width,size.height);
    updateContentSizeWithTextureSize(_labelRenderer->getContentSize());
    _labelRendererAdaptDirty = true;
}
    
const Size& Text::getTextAreaSize()
{
    return _labelRenderer->getDimensions();
}

void Text::setTextHorizontalAlignment(TextHAlignment alignment)
{
    _labelRenderer->setHorizontalAlignment(alignment);
    updateContentSizeWithTextureSize(_labelRenderer->getContentSize());
    _labelRendererAdaptDirty = true;
}
    
TextHAlignment Text::getTextHorizontalAlignment()
{
    return _labelRenderer->getHorizontalAlignment();
}

void Text::setTextVerticalAlignment(TextVAlignment alignment)
{
    _labelRenderer->setVerticalAlignment(alignment);
    updateContentSizeWithTextureSize(_labelRenderer->getContentSize());
    _labelRendererAdaptDirty = true;
}
    
TextVAlignment Text::getTextVerticalAlignment()
{
    return _labelRenderer->getVerticalAlignment();
}

void Text::setTouchScaleChangeEnabled(bool enable)
{
    _touchScaleChangeEnabled = enable;
}
    
bool Text::isTouchScaleChangeEnabled()
{
    return _touchScaleChangeEnabled;
}

void Text::onPressStateChangedToNormal()
{
    if (!_touchScaleChangeEnabled)
    {
        return;
    }
    _labelRenderer->setScaleX(_normalScaleValueX);
    _labelRenderer->setScaleY(_normalScaleValueY);
}

void Text::onPressStateChangedToPressed()
{
    if (!_touchScaleChangeEnabled)
    {
        return;
    }
    _labelRenderer->setScaleX(_normalScaleValueX + _onSelectedScaleOffset);
    _labelRenderer->setScaleY(_normalScaleValueY + _onSelectedScaleOffset);
}

void Text::onPressStateChangedToDisabled()
{
    
}

void Text::updateFlippedX()
{
     if (_flippedX)
    {
        _labelRenderer->setScaleX(-1.0f);
    } 
    else
    {
        _labelRenderer->setScaleX(1.0f);
    }
}
    
void Text::updateFlippedY()
{
    if (_flippedY)
    {
        _labelRenderer->setScaleY(-1.0f);
    } 
    else
    {
        _labelRenderer->setScaleY(1.0f);
    }
}

void Text::onSizeChanged()
{
    Widget::onSizeChanged();
    _labelRendererAdaptDirty = true;
}
    
void Text::adaptRenderers()
{
    if (_labelRendererAdaptDirty)
    {
        labelScaleChangedWithSize();
        _labelRendererAdaptDirty = false;
    }
}

const Size& Text::getVirtualRendererSize() const
{
    return _labelRenderer->getContentSize();
}

Node* Text::getVirtualRenderer()
{
    return _labelRenderer;
}

void Text::labelScaleChangedWithSize()
{
    if (_ignoreSize)
    {
        _labelRenderer->setDimensions(0,0);
        _labelRenderer->setScale(1.0f);
        _normalScaleValueX = _normalScaleValueY = 1.0f;
    }
    else
    {
        _labelRenderer->setDimensions(_size.width,_size.height);
        Size textureSize = _labelRenderer->getContentSize();
        if (textureSize.width <= 0.0f || textureSize.height <= 0.0f)
        {
            _labelRenderer->setScale(1.0f);
            return;
        }
        float scaleX = _size.width / textureSize.width;
        float scaleY = _size.height / textureSize.height;
        _labelRenderer->setScaleX(scaleX);
        _labelRenderer->setScaleY(scaleY);
        _normalScaleValueX = scaleX;
        _normalScaleValueY = scaleY;
    }
    _labelRenderer->setPosition(_contentSize.width / 2.0f, _contentSize.height / 2.0f);
}

std::string Text::getDescription() const
{
    return "Label";
}
    
void Text::updateTextureColor()
{
    updateColorToRenderer(_labelRenderer);
}

void Text::updateTextureOpacity()
{
    updateOpacityToRenderer(_labelRenderer);
}

void Text::updateTextureRGBA()
{
    updateRGBAToRenderer(_labelRenderer);
}

Widget* Text::createCloneInstance()
{
    return Text::create();
}

void Text::copySpecialProperties(Widget *widget)
{
    Text* label = dynamic_cast<Text*>(widget);
    if (label)
    {
        setFontName(label->_fontName);
        setFontSize(label->_labelRenderer->getSystemFontSize());
        setString(label->getString());
        setTouchScaleChangeEnabled(label->_touchScaleChangeEnabled);
        setTextHorizontalAlignment(label->_labelRenderer->getHorizontalAlignment());
        setTextVerticalAlignment(label->_labelRenderer->getVerticalAlignment());
        setTextAreaSize(label->_labelRenderer->getDimensions());
    }
}

}

NS_CC_END