axmol/cocos2dx/extensions/CCControlExtension/CCControlButton.cpp

/*
 * CCControlButton.m
 *
 * Copyright 2011 Yannick Loriot.
 * http://yannickloriot.com
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

#include "CCControlButton.h"
#include "CCScale9Sprite.h"
#include "CCPointExtension.h"
#include "CCLabelTTF.h"
#include "CCAction.h"
#include "CCActionInterval.h"

using namespace std;

NS_CC_BEGIN

enum
{
    kZoomActionTag = 0xCCCB0001,
};

CCControlButton::~CCControlButton()
{
    CC_SAFE_RELEASE(m_backgroundSpriteDispatchTable);
    CC_SAFE_RELEASE(m_titleLabelDispatchTable);
    CC_SAFE_RELEASE(m_titleColorDispatchTable);
    CC_SAFE_RELEASE(m_titleDispatchTable);
}

//initialisers


bool CCControlButton::initWithLabelAndBackgroundSprite(CCNode* node, CCScale9Sprite* backgroundSprite)
{
    if (CCControl::init())
    {
        assert(node != NULL);
        CCLabelProtocol* label = dynamic_cast<CCLabelProtocol*>(node);
        CCRGBAProtocol* rgbaLabel = dynamic_cast<CCRGBAProtocol*>(node);
        assert(label != NULL || rgbaLabel!=NULL || backgroundSprite != NULL);
        
        setIsTouchEnabled(true);
        pushed=false;
        m_nState=CCControlStateInitial;
        m_currentTitle=NULL;
        m_backgroundSprite=NULL;
        m_titleLabel=NULL;

        // Adjust the background image by default
        m_adjustBackgroundImage=true;

        // Set the default anchor point
        setIsRelativeAnchorPoint(true);
        setAnchorPoint(ccp(0.5f, 0.5f));
        
        // Set the nodes
        m_titleLabel=(node);
        m_backgroundSprite=(backgroundSprite);
        
         
        // Initialize the button state tables
        m_titleDispatchTable=new CCDictionary();
        //m_titleDispatchTable->autorelease();
        m_titleColorDispatchTable=new CCDictionary();
        //m_titleColorDispatchTable->autorelease();
        m_titleLabelDispatchTable=new CCDictionary();
        //m_titleLabelDispatchTable->autorelease();
        m_backgroundSpriteDispatchTable=new CCDictionary();
        //m_backgroundSpriteDispatchTable->autorelease();

        // Set the default color and opacity
        setColor(ccc3(255, 255, 255));
        setOpacity(255);
        setIsOpacityModifyRGB(true);
        
        // Initialize the dispatch table
        
        CCString* tempString = CCString::stringWithCString(label->getString());
        //tempString->autorelease();
        setTitleForState(tempString, CCControlStateNormal);
        setTitleColorForState(rgbaLabel->getColor(), CCControlStateNormal);
        setTitleLabelForState(node, CCControlStateNormal);
        setBackgroundSpriteForState(backgroundSprite, CCControlStateNormal);
        
        m_nState=CCControlStateNormal;
        
        //default margins
        m_marginH=24;    
        m_marginV=12;

        // Layout update
        needsLayout();

        return true;
    }
    //couldn't init the CCControl
    else
        return false;
}

CCControlButton* CCControlButton::buttonWithLabelAndBackgroundSprite(CCNode* label, CCScale9Sprite* backgroundSprite)
{
    CCControlButton *pRet = new CCControlButton();
    pRet->initWithLabelAndBackgroundSprite(label, backgroundSprite);
    pRet->autorelease();
    return pRet;
}

bool CCControlButton::initWithTitleAndFontNameAndFontSize(string title, const char * fontName, float fontSize)
{
    CCLabelTTF *label = CCLabelTTF::labelWithString(title.c_str(), fontName, fontSize);
    return initWithLabelAndBackgroundSprite(label, CCScale9Sprite::node());
}

CCControlButton* CCControlButton::buttonWithTitleAndFontNameAndFontSize(string title, const char * fontName, float fontSize)
{
    CCControlButton *pRet = new CCControlButton();
    pRet->initWithTitleAndFontNameAndFontSize(title, fontName, fontSize);
    pRet->autorelease();
    return pRet;
}

bool CCControlButton::initWithBackgroundSprite(CCScale9Sprite* sprite)
{
    CCLabelTTF *label = CCLabelTTF::labelWithString("", "Arial", 30);//
    return initWithLabelAndBackgroundSprite(label, sprite);
}

CCControlButton* CCControlButton::buttonWithBackgroundSprite(CCScale9Sprite* sprite)
{
    CCControlButton *pRet = new CCControlButton();
    pRet->initWithBackgroundSprite(sprite);
    pRet->autorelease();
    return pRet;
}


void CCControlButton::setMargins(int marginH, int marginV)
{
    m_marginV=marginV;
    m_marginH=marginH;
    needsLayout();
}

void CCControlButton::setIsEnabled(bool enabled)
{
    CCControl::setIsEnabled(enabled);
    needsLayout();
}

void CCControlButton::setIsSelected(bool enabled)
{
    CCControl::setIsSelected(enabled);
    needsLayout();
}

void CCControlButton::setIsHighlighted(bool enabled)
{
    CCControl::setIsHighlighted(enabled);

    CCAction *action =getActionByTag(kZoomActionTag);
    if (action)
    {
        stopAction(action);        
    }
    needsLayout();

    float scaleValue = (getIsHighlighted() && getIsEnabled() && !getIsSelected()) ? 1.1f : 1.0f;
    CCAction *zoomAction =CCScaleTo::actionWithDuration(0.05f, scaleValue);
    zoomAction->setTag(kZoomActionTag);
    runAction(zoomAction);
}
void CCControlButton::setAdjustBackgroundImage(bool adjustBackgroundImage)
{
    m_adjustBackgroundImage=adjustBackgroundImage;
    needsLayout();
}

bool CCControlButton::getAdjustBackgroundImage()
{
    return m_adjustBackgroundImage;
}

CCString* CCControlButton::getTitleForState(CCControlState state)
{
    CCString* title=(CCString*)m_titleDispatchTable->objectForKey(state);    
    if (title)
    {
        return title;
    }
    return (CCString*)m_titleDispatchTable->objectForKey(CCControlStateNormal);
}

void CCControlButton::setTitleForState(CCString* title, CCControlState state)
{
    m_titleDispatchTable->removeObjectForKey(state);

    if (title)
    {
        m_titleDispatchTable->setObject(title, state);
    }
    
    // If the current state if equal to the given state we update the layout
    if (getState() == state)
    {
        needsLayout();
    }
}


const ccColor3B CCControlButton::getTitleColorForState(CCControlState state)
{
    ccColor3B returnColor;
    CCColor3bObject* colorObject=(CCColor3bObject*)m_titleColorDispatchTable->objectForKey(state);    
    if (colorObject)
    {
        returnColor= colorObject->value;
        return returnColor;
    }
    colorObject=(CCColor3bObject*)m_titleColorDispatchTable->objectForKey(CCControlStateNormal);    
    returnColor=colorObject->value;
    return returnColor;
}

void CCControlButton::setTitleColorForState(ccColor3B color, CCControlState state)
{
    //ccColor3B* colorValue=&color;
    m_titleColorDispatchTable->removeObjectForKey(state); 
    CCColor3bObject* pColor3bObject = new CCColor3bObject(color);
    pColor3bObject->autorelease();
    m_titleColorDispatchTable->setObject(pColor3bObject, state);
      
    // If the current state if equal to the given state we update the layout
    if (getState() == state)
    {
        needsLayout();
    }
}

CCNode* CCControlButton::getTitleLabelForState(CCControlState state)
{
    CCNode* titleLabel=(CCNode*)m_titleLabelDispatchTable->objectForKey(state);    
    if (titleLabel)
    {
        return titleLabel;
    }
    return (CCNode*)m_titleLabelDispatchTable->objectForKey(CCControlStateNormal);
}

void CCControlButton::setTitleLabelForState(CCNode* titleLabel, CCControlState state)
{
    CCNode* previousLabel = (CCNode*)m_titleLabelDispatchTable->objectForKey(state);
    if (previousLabel)
    {
        removeChild(previousLabel, true);
        m_titleLabelDispatchTable->removeObjectForKey(state);        
    }

    m_titleLabelDispatchTable->setObject(titleLabel, state);
    titleLabel->setIsVisible(false);
    titleLabel->setAnchorPoint(ccp(0.5f, 0.5f));
    addChild(titleLabel, 1);

    // If the current state if equal to the given state we update the layout
    if (getState() == state)
    {
        needsLayout();
    }
}


CCScale9Sprite* CCControlButton::getBackgroundSpriteForState(CCControlState state)
{
    CCScale9Sprite* backgroundSprite=(CCScale9Sprite*)m_backgroundSpriteDispatchTable->objectForKey(state);    
    if (backgroundSprite)
    {
        return backgroundSprite;
    }
    return (CCScale9Sprite*)m_backgroundSpriteDispatchTable->objectForKey(CCControlStateNormal);
}


void CCControlButton::setBackgroundSpriteForState(CCScale9Sprite* sprite, CCControlState state)
{
    CCScale9Sprite* previousSprite = (CCScale9Sprite*)m_backgroundSpriteDispatchTable->objectForKey(state);
    if (previousSprite)
    {
        removeChild(previousSprite, true);
        m_backgroundSpriteDispatchTable->removeObjectForKey(state);        
    }

    m_backgroundSpriteDispatchTable->setObject(sprite, state);
    sprite->setIsVisible(false);
    sprite->setAnchorPoint(ccp(0.5f, 0.5f));
    addChild(sprite);

    // If the current state if equal to the given state we update the layout
    if (getState() == state)
    {
        needsLayout();
    }
}

void CCControlButton::needsLayout()
{
    // Hide the background and the label
    m_titleLabel->setIsVisible(false);
    m_backgroundSprite->setIsVisible(false);
    
    // Update the label to match with the current state
    //CC_SAFE_RELEASE(m_currentTitle)
    
    m_currentTitle=getTitleForState(m_nState);
    m_currentTitleColor=getTitleColorForState(m_nState);

    m_titleLabel=getTitleLabelForState(m_nState);
    
    CCLabelProtocol* label = dynamic_cast<CCLabelProtocol*>(m_titleLabel);
    if (label)
        label->setString(m_currentTitle->getCString());
    CCRGBAProtocol* rgbaLabel = dynamic_cast<CCRGBAProtocol*>(m_titleLabel);
    if (rgbaLabel)
        rgbaLabel->setColor(m_currentTitleColor);
    m_titleLabel->setPosition(ccp (getContentSize().width / 2, getContentSize().height / 2));
    
    
    // Update the background sprite
    m_backgroundSprite=getBackgroundSpriteForState(m_nState);
    m_backgroundSprite->setPosition(ccp (getContentSize().width / 2, getContentSize().height / 2));

    // Get the title label size
    CCSize titleLabelSize =m_titleLabel->boundingBox().size;
    
    // Adjust the background image if necessary
    if (m_adjustBackgroundImage)
    {
        // Add the margins
        m_backgroundSprite->setContentSize(CCSizeMake(titleLabelSize.width + m_marginH * 2, titleLabelSize.height + m_marginV * 2));
    } 
    else
    {        
        //TODO: should this also have margins if one of the preferred sizes is relaxed?
        CCSize preferredSize = m_backgroundSprite->getPreferredSize();
        if (preferredSize.width <= 0)
        {
            preferredSize.width = titleLabelSize.width;
        }
        if (preferredSize.height <= 0)
        {
            preferredSize.height = titleLabelSize.height;
        }
        
        m_backgroundSprite->setContentSize(preferredSize);        
    }
    
    // Set the content size
    
    CCRect maxRect = CCControlUtils::CCRectUnion(m_titleLabel->boundingBox(), m_backgroundSprite->boundingBox());
    setContentSize(CCSizeMake(maxRect.size.width, maxRect.size.height));        
    
    m_titleLabel->setPosition(ccp(getContentSize().width/2, getContentSize().height/2));
    m_backgroundSprite->setPosition(ccp(getContentSize().width/2, getContentSize().height/2));
    
    // Make visible the background and the label
    m_titleLabel->setIsVisible(true);
    m_backgroundSprite->setIsVisible(true);    
}



bool CCControlButton::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
{
    if (!isTouchInside(pTouch) || !getIsEnabled())
    {
        return false;
    }
    
    m_nState=CCControlStateHighlighted;
    pushed=true;
    this->setIsHighlighted(true);
    sendActionsForControlEvents(CCControlEventTouchDown);
    return true;
}

void CCControlButton::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent)
{    
    if (!m_bEnabled || !pushed || m_bSelected)
    {
        if (m_bHighlighted)
        {
            setIsHighlighted(false);
        }
        return;
    }
    
    bool isTouchMoveInside = isTouchInside(pTouch);
    if (isTouchMoveInside && !m_bHighlighted)
    {
        m_nState = CCControlStateHighlighted;
        setIsHighlighted(true);
        sendActionsForControlEvents(CCControlEventTouchDragEnter);
    }
    else if (isTouchMoveInside && m_bHighlighted)
    {
        sendActionsForControlEvents(CCControlEventTouchDragInside);
    }
    else if (!isTouchMoveInside && m_bHighlighted)
    {
        m_nState = CCControlStateNormal;
            setIsHighlighted(false);
        
        sendActionsForControlEvents(CCControlEventTouchDragExit);        
    }
    else if (!isTouchMoveInside && !m_bHighlighted)
    {
        sendActionsForControlEvents(CCControlEventTouchDragOutside);        
    }
}
void CCControlButton::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent)
{
    m_nState = CCControlStateNormal;
    pushed = false;
    setIsHighlighted(false);
    
    
    if (isTouchInside(pTouch))
    {
        sendActionsForControlEvents(CCControlEventTouchUpInside);        
    }
    else
    {
        sendActionsForControlEvents(CCControlEventTouchUpOutside);        
    }
}

void CCControlButton::ccTouchCancelled(CCTouch *pTouch, CCEvent *pEvent)
{
    m_nState = CCControlStateNormal;
    pushed = false;
    setIsHighlighted(false);
    sendActionsForControlEvents(CCControlEventTouchCancel);
}

NS_CC_END