axmol/cocos/gui/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
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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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THE SOFTWARE.
****************************************************************************/

#include "gui/UIText.h"

NS_CC_BEGIN

namespace ui {

static const int LABEL_RENDERER_Z = (-1);

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

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;
}

void Text::initRenderer()
{
    _labelRenderer = LabelTTF::create();
    Node::addChild(_labelRenderer, LABEL_RENDERER_Z, -1);
}

void Text::setText(const std::string& text)
{
	if (text.size()==0)
		return;

    _labelRenderer->setString(text);
    labelScaleChangedWithSize();
}

const std::string& Text::getStringValue()
{
    return _labelRenderer->getString();
}

ssize_t Text::getStringLength()
{
    return _labelRenderer->getString().size();
}

void Text::setFontSize(int size)
{
    _fontSize = size;
    _labelRenderer->setFontSize(size);
    labelScaleChangedWithSize();
}

void Text::setFontName(const std::string& name)
{
    _fontName = name;
    _labelRenderer->setFontName(name);
    labelScaleChangedWithSize();
}

void Text::setTextAreaSize(const Size &size)
{
    _labelRenderer->setDimensions(size);
    labelScaleChangedWithSize();
}

void Text::setTextHorizontalAlignment(TextHAlignment alignment)
{
    _labelRenderer->setHorizontalAlignment(alignment);
    labelScaleChangedWithSize();
}

void Text::setTextVerticalAlignment(TextVAlignment alignment)
{
    _labelRenderer->setVerticalAlignment(alignment);
    labelScaleChangedWithSize();
}

void Text::setTouchScaleChangeEnabled(bool enable)
{
    _touchScaleChangeEnabled = enable;
    _normalScaleValueX = getScaleX();
    _normalScaleValueY = getScaleY();
}
    
void Text::setScale(float fScale)
{
    Widget::setScale(fScale);
    _normalScaleValueX = _normalScaleValueY = fScale;
}
    
void Text::setScaleX(float fScaleX)
{
    Widget::setScaleX(fScaleX);
}
    
void Text::setScaleY(float fScaleY)
{
    Widget::setScaleY(fScaleY);
}

bool Text::isTouchScaleChangeEnabled()
{
    return _touchScaleChangeEnabled;
}

void Text::onPressStateChangedToNormal()
{
    if (!_touchScaleChangeEnabled)
    {
        return;
    }
    clickScale(_normalScaleValueX, _normalScaleValueY);
}

void Text::onPressStateChangedToPressed()
{
    if (!_touchScaleChangeEnabled)
    {
        return;
    }
    _normalScaleValueX = getScaleX();
    _normalScaleValueY = getScaleY();
    clickScale(_normalScaleValueX + _onSelectedScaleOffset, _normalScaleValueY + _onSelectedScaleOffset);
}

void Text::onPressStateChangedToDisabled()
{
    
}

void Text::clickScale(float scaleX, float scaleY)
{
    setScaleX(scaleX);
    setScaleY(scaleY);
}

void Text::setFlipX(bool flipX)
{
    _labelRenderer->setFlippedX(flipX);
}

void Text::setFlipY(bool flipY)
{
    _labelRenderer->setFlippedY(flipY);
}

bool Text::isFlipX()
{
    return _labelRenderer->isFlippedX();
}

bool Text::isFlipY()
{
    return _labelRenderer->isFlippedY();
}

void Text::setAnchorPoint(const Point &pt)
{
    Widget::setAnchorPoint(pt);
    _labelRenderer->setAnchorPoint(pt);
}

void Text::onSizeChanged()
{
    Widget::onSizeChanged();
    labelScaleChangedWithSize();
}

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

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

void Text::labelScaleChangedWithSize()
{
    if (_ignoreSize)
    {
        _labelRenderer->setScale(1.0f);
        _size = _labelRenderer->getContentSize();
    }
    else
    {
        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);
    }
    
}

std::string Text::getDescription() const
{
    return "Label";
}

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

void Text::copySpecialProperties(Widget *widget)
{
    Text* label = dynamic_cast<Text*>(widget);
    if (label)
    {
        setFontName(label->_fontName.c_str());
        setFontSize(label->_labelRenderer->getFontSize());
        setText(label->getStringValue());
        setTouchScaleChangeEnabled(label->_touchScaleChangeEnabled);
        setTextHorizontalAlignment(label->_labelRenderer->getHorizontalAlignment());
        setTextVerticalAlignment(label->_labelRenderer->getVerticalAlignment());
        setTextAreaSize(label->_labelRenderer->getDimensions());
    }
}

}

NS_CC_END