text: /****************************************************************************
   Copyright (c) 2010-2012 cocos2d-x.org
   Copyright (c) 2012 James Chen
   
   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
   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 "ui/UIEditBox/UIEditBox.h"
  #include "ui/UIEditBox/UIEditBoxImpl.h"
  
  NS_CC_BEGIN
  
  namespace ui {
  
  static const float CHECK_EDITBOX_POSITION_INTERVAL = 0.1f;
  
  EditBox::EditBox(void)
  : _editBoxImpl(nullptr)
  , _delegate(nullptr)
  , _backgroundSprite(nullptr)
  #if CC_ENABLE_SCRIPT_BINDING
  , _scriptEditBoxHandler(0)
  #endif
  {
  }
  
  EditBox::~EditBox(void)
  {
      CC_SAFE_DELETE(_editBoxImpl);
  #if CC_ENABLE_SCRIPT_BINDING
      unregisterScriptEditBoxHandler();
  #endif
  }
  
  
  void EditBox::touchDownAction(Ref* /*sender*/, TouchEventType controlEvent)
  {
      if (controlEvent == Widget::TouchEventType::ENDED) {
          _editBoxImpl->openKeyboard();
      }
  }
  
  EditBox* EditBox::create(const Size& size,
                           const std::string& normalSprite,
                          TextureResType texType /*= TextureResType::LOCAL*/)
  {
      EditBox* pRet = new (std::nothrow) EditBox();
      
      if (pRet != nullptr && pRet->initWithSizeAndBackgroundSprite(size, normalSprite, texType))
      {
          pRet->autorelease();
      }
      else
      {
          CC_SAFE_DELETE(pRet);
      }
      
      return pRet;
  }
      
      
  EditBox* EditBox::create(const cocos2d::Size &size, cocos2d::ui::Scale9Sprite *normalSprite, ui::Scale9Sprite* /*pressedSprite*/, Scale9Sprite* /*disabledSprite*/)
  {
      EditBox* pRet = new (std::nothrow) EditBox();
      
      if (pRet != nullptr && pRet->initWithSizeAndBackgroundSprite(size, normalSprite))
      {
          pRet->autorelease();
      }
      else
      {
          CC_SAFE_DELETE(pRet);
      }
      
      return pRet;
  }
      
  bool EditBox::initWithSizeAndBackgroundSprite(const cocos2d::Size &size, cocos2d::ui::Scale9Sprite *pNormal9SpriteBg)
  {
      if (Widget::init())
      {
          _editBoxImpl = __createSystemEditBox(this);
          _editBoxImpl->initWithSize(size);
          _editBoxImpl->setInputMode(EditBox::InputMode::ANY);
          
          _backgroundSprite = pNormal9SpriteBg;
          
          this->setContentSize(size);
          this->setPosition(Vec2(0, 0));
          
          _backgroundSprite->setPosition(Vec2(_contentSize.width/2, _contentSize.height/2));
          _backgroundSprite->setContentSize(size);
          this->addProtectedChild(_backgroundSprite);
          
          this->setTouchEnabled(true);
          
          this->addTouchEventListener(CC_CALLBACK_2(EditBox::touchDownAction, this));
          
          return true;
      }
      return false;
  }
  
  
  bool EditBox::initWithSizeAndBackgroundSprite(const Size& size,
                                                          const std::string& pNormal9SpriteBg,
                                                          TextureResType texType)
  {
      if (Widget::init())
      {
          _editBoxImpl = __createSystemEditBox(this);
          _editBoxImpl->initWithSize(size);
          _editBoxImpl->setInputMode(EditBox::InputMode::ANY);
         
          if (texType == Widget::TextureResType::LOCAL)
          {
              _backgroundSprite = Scale9Sprite::create(pNormal9SpriteBg);
          }
          else
          {
              _backgroundSprite = Scale9Sprite::createWithSpriteFrameName(pNormal9SpriteBg);
          }
          this->setContentSize(size);
          this->setPosition(Vec2(0, 0));
          
          _backgroundSprite->setPosition(Vec2(_contentSize.width/2, _contentSize.height/2));
          _backgroundSprite->setContentSize(size);
          this->addProtectedChild(_backgroundSprite);
          
          this->setTouchEnabled(true);
          
          this->addTouchEventListener(CC_CALLBACK_2(EditBox::touchDownAction, this));
          
          return true;
      }
      return false;
  }
  
  void EditBox::setDelegate(EditBoxDelegate* pDelegate)
  {
      _delegate = pDelegate;
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setDelegate(pDelegate);
      }
  }
  
  EditBoxDelegate* EditBox::getDelegate()
  {
      return _delegate;
  }
  
  void EditBox::setText(const char* pText)
  {
      if (pText != nullptr)
      {
          if (_editBoxImpl != nullptr)
          {
              _editBoxImpl->setText(pText);
          }
      }
  }
  
  const char* EditBox::getText(void) const
  {
      if (_editBoxImpl != nullptr)
      {
  		const char* pText = _editBoxImpl->getText();
  		if(pText != nullptr)
  			return pText;
      }
      
      return "";
  }
  
  void EditBox::setFont(const char* pFontName, int fontSize)
  {
      CCASSERT(pFontName != nullptr, "fontName can't be nullptr");
      if (pFontName != nullptr)
      {
          if (_editBoxImpl != nullptr)
          {
              _editBoxImpl->setFont(pFontName, fontSize);
          }
      }
  }
  
  void EditBox::setFontName(const char* pFontName)
  {
      CCASSERT(pFontName != nullptr, "fontName can't be nullptr");
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setFont(pFontName, _editBoxImpl->getFontSize());
      }
  }
  
  const char* EditBox::getFontName(void) const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getFontName();
      }
      return "";
  }
  
  void EditBox::setFontSize(int fontSize)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setFont(_editBoxImpl->getFontName(), fontSize);
      }
  }
  
  int EditBox::getFontSize() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getFontSize();
      }
      return -1;
  }
  void EditBox::setFontColor(const Color3B& color)
  {
      setFontColor(Color4B(color));
  }
  
  void EditBox::setFontColor(const Color4B& color)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setFontColor(color);
      }
  }
  
  const Color4B& EditBox::getFontColor() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getFontColor();
      }
      return Color4B::WHITE;
  }
  
  void EditBox::setPlaceholderFont(const char* pFontName, int fontSize)
  {
      CCASSERT(pFontName != nullptr, "fontName can't be nullptr");
      if (pFontName != nullptr)
      {
          if (_editBoxImpl != nullptr)
          {
              _editBoxImpl->setPlaceholderFont(pFontName, fontSize);
          }
      }
  }
  
  void EditBox::setPlaceholderFontName(const char* pFontName)
  {
      CCASSERT(pFontName != nullptr, "fontName can't be nullptr");
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setPlaceholderFont(pFontName, _editBoxImpl->getPlaceholderFontSize());
      }
  }
  
  const char* EditBox::getPlaceholderFontName() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getPlaceholderFontName();
      }
      return "";
  }
  
  void EditBox::setPlaceholderFontSize(int fontSize)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setPlaceholderFont(_editBoxImpl->getPlaceholderFontName(), fontSize);
      }
  }
  
  int EditBox::getPlaceholderFontSize() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getPlaceholderFontSize();
      }
      return -1;
  }
  
  void EditBox::setPlaceholderFontColor(const Color3B& color)
  {
      setPlaceholderFontColor(Color4B(color));
  }
  
  void EditBox::setPlaceholderFontColor(const Color4B& color)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setPlaceholderFontColor(color);
      }
  }
  
  const Color4B& EditBox::getPlaceholderFontColor() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getPlaceholderFontColor();
      }
      return Color4B::GRAY;
  }
  
  void EditBox::setPlaceHolder(const char* pText)
  {
      if (pText != nullptr)
      {
          if (_editBoxImpl != nullptr)
          {
              _editBoxImpl->setPlaceHolder(pText);
          }
      }
  }
  
  const char* EditBox::getPlaceHolder(void) const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getPlaceHolder();
      }
      return "";
  }
  
  void EditBox::setInputMode(EditBox::InputMode inputMode)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setInputMode(inputMode);
      }
  }
  
  EditBox::InputMode EditBox::getInputMode() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getInputMode();
      }
      return InputMode::SINGLE_LINE;
  }
  
  void EditBox::setMaxLength(int maxLength)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setMaxLength(maxLength);
      }
  }
  
  
  int EditBox::getMaxLength()
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getMaxLength();
      }
      return -1;
  }
  
  void EditBox::setInputFlag(EditBox::InputFlag inputFlag)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setInputFlag(inputFlag);
      }
  }
  
  EditBox::InputFlag EditBox::getInputFlag() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getInputFlag();
      }
      return InputFlag::LOWERCASE_ALL_CHARACTERS;
  }
  
  void EditBox::setReturnType(EditBox::KeyboardReturnType returnType)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setReturnType(returnType);
      }
  }
  
  EditBox::KeyboardReturnType EditBox::getReturnType() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getReturnType();
      }
      return KeyboardReturnType::DEFAULT;
  }
  
  void EditBox::setTextHorizontalAlignment(TextHAlignment alignment)
  {
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setTextHorizontalAlignment(alignment);
      }
  }
  
  TextHAlignment EditBox::getTextHorizontalAlignment() const
  {
      if (_editBoxImpl != nullptr)
      {
          return _editBoxImpl->getTextHorizontalAlignment();
      }
      return TextHAlignment::LEFT;
  }
  
  /* override function */
  void EditBox::setPosition(const Vec2& pos)
  {
      Widget::setPosition(pos);
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setPosition(pos);
      }
  }
  
  void EditBox::setVisible(bool visible)
  {
      Widget::setVisible(visible);
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setVisible(visible);
      }
  }
  
  void EditBox::setContentSize(const Size& size)
  {
      Widget::setContentSize(size);
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setContentSize(size);
      }
  }
      
  void EditBox::adaptRenderers()
  {
      if (_contentSizeDirty)
      {
          _backgroundSprite->setContentSize(_contentSize);
          _backgroundSprite->setPosition(Vec2(_contentSize.width/2, _contentSize.height/2));
      }
  }
  
  void EditBox::setAnchorPoint(const Vec2& anchorPoint)
  {
      Widget::setAnchorPoint(anchorPoint);
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->setAnchorPoint(anchorPoint);
      }
  }
  
  std::string EditBox::getDescription() const
  {
      return "EditBox";
  }
  
  void EditBox::draw(Renderer *renderer, const Mat4 &parentTransform, uint32_t parentFlags)
  {
      Widget::draw(renderer, parentTransform, parentFlags);
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->draw(renderer, parentTransform, parentFlags & FLAGS_TRANSFORM_DIRTY);
      }
  }
  
  void EditBox::onEnter(void)
  {
  #if CC_ENABLE_SCRIPT_BINDING
      if (_scriptType == kScriptTypeJavascript)
      {
          if (ScriptEngineManager::sendNodeEventToJSExtended(this, kNodeOnEnter))
              return;
      }
  #endif
      
      Widget::onEnter();
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->onEnter();
      }
  #if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS || CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
      this->schedule(CC_SCHEDULE_SELECTOR(EditBox::updatePosition), CHECK_EDITBOX_POSITION_INTERVAL);
  #endif
  }
  
  void EditBox::updatePosition(float dt)
  {
      if (nullptr != _editBoxImpl) {
          _editBoxImpl->updatePosition(dt);
      }
  }
  
  
  void EditBox::onExit(void)
  {
  #if CC_ENABLE_SCRIPT_BINDING
      if (_scriptType == kScriptTypeJavascript)
      {
          if (ScriptEngineManager::sendNodeEventToJSExtended(this, kNodeOnExit))
              return;
      }
  #endif
      
      Widget::onExit();
      if (_editBoxImpl != nullptr)
      {
          // remove system edit control
          _editBoxImpl->closeKeyboard();
      }
  }
  
  static Rect getRect(Node * pNode)
  {
  	Size contentSize = pNode->getContentSize();
  	Rect rect = Rect(0, 0, contentSize.width, contentSize.height);
  	return RectApplyTransform(rect, pNode->getNodeToWorldTransform());
  }
  
  void EditBox::keyboardWillShow(IMEKeyboardNotificationInfo& info)
  {
      // CCLOG("CCEditBox::keyboardWillShow");
      Rect rectTracked = getRect(this);
  	// some adjustment for margin between the keyboard and the edit box.
  	rectTracked.origin.y -= 4;
  
      // if the keyboard area doesn't intersect with the tracking node area, nothing needs to be done.
      if (!rectTracked.intersectsRect(info.end))
      {
          CCLOG("needn't to adjust view layout.");
          return;
      }
      
      // assume keyboard at the bottom of screen, calculate the vertical adjustment.
      _adjustHeight = info.end.getMaxY() - rectTracked.getMinY();
      // CCLOG("CCEditBox:needAdjustVerticalPosition(%f)", _adjustHeight);
      
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->doAnimationWhenKeyboardMove(info.duration, _adjustHeight);
      }
  }
  
  void EditBox::keyboardDidShow(IMEKeyboardNotificationInfo& /*info*/)
  {
  	
  }
  
  void EditBox::keyboardWillHide(IMEKeyboardNotificationInfo& info)
  {
      // CCLOG("CCEditBox::keyboardWillHide");
      if (_editBoxImpl != nullptr)
      {
          _editBoxImpl->doAnimationWhenKeyboardMove(info.duration, -_adjustHeight);
      }
  }
  
  void EditBox::keyboardDidHide(IMEKeyboardNotificationInfo& /*info*/)
  {
  	
  }
  
  #if CC_ENABLE_SCRIPT_BINDING
  void EditBox::registerScriptEditBoxHandler(int handler)
  {
      unregisterScriptEditBoxHandler();
      _scriptEditBoxHandler = handler;
  }
  
  void EditBox::unregisterScriptEditBoxHandler(void)
  {
      if (0 != _scriptEditBoxHandler)
      {
          ScriptEngineManager::getInstance()->getScriptEngine()->removeScriptHandler(_scriptEditBoxHandler);
          _scriptEditBoxHandler = 0;
      }
  }
  #endif
  
  }
  
  NS_CC_END
  