82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
#include "util/selectorManager.h"
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#include "util/creatingSelector.h"
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#include "util/movingSelector.h"
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#include "util/rotationSelector.h"
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#include "util/scalingSelector.h"
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#include "util/editingSelector.h"
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SelectorManager* SelectorManager::m_pInstance = nullptr;
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SelectorManager::SelectorManager(QObject *parent)
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: QObject(parent)
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{
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static CGarbo garbo; //用来是释放单例资源的静态成员变量
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//创建所有的selector
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BaseSelector* baseSelector = new BaseSelector(this);
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connect(baseSelector, SIGNAL(setWorkingSelector(SelectorType)), this, SLOT(onSignal_setWorkingSelector(SelectorType)));
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m_vecSelectors.push_back(baseSelector);
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CreatingSelector* creatingSelector = new CreatingSelector(this);
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connect(creatingSelector, SIGNAL(setWorkingSelector(SelectorType)), this, SLOT(onSignal_setWorkingSelector(SelectorType)));
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m_vecSelectors.push_back(creatingSelector);
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MovingSelector* movingSelector = new MovingSelector(this);
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connect(movingSelector, SIGNAL(setWorkingSelector(SelectorType)), this, SLOT(onSignal_setWorkingSelector(SelectorType)));
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m_vecSelectors.push_back(movingSelector);
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RotationSelector* rotationSelector = new RotationSelector(this);
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connect(rotationSelector, SIGNAL(setWorkingSelector(SelectorType)), this, SLOT(onSignal_setWorkingSelector(SelectorType)));
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m_vecSelectors.push_back(rotationSelector);
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ScalingSelector* scalingSelector = new ScalingSelector(this);
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connect(scalingSelector, SIGNAL(setWorkingSelector(SelectorType)), this, SLOT(onSignal_setWorkingSelector(SelectorType)));
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m_vecSelectors.push_back(scalingSelector);
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EditingSelector* editingSelector = new EditingSelector(this);
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connect(editingSelector, SIGNAL(setWorkingSelector(SelectorType)), this, SLOT(onSignal_setWorkingSelector(SelectorType)));
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m_vecSelectors.push_back(editingSelector);
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m_curSelector = ST_base;
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}
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SelectorManager::~SelectorManager()
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{
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//析构所有的selector，因为是通过基类指针析构，所以基类的析构函数必须为虚函数
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// for(auto it = m_vecSelectors.begin(); it != m_vecSelectors.end(); it++)
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// delete (*it);
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}
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SelectorManager* SelectorManager::getInstance()
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{
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if(m_pInstance == nullptr)
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{
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m_pInstance = new SelectorManager();
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}
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return m_pInstance;
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}
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BaseSelector* SelectorManager::getWorkingSelector()
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{
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for(auto it = m_vecSelectors.begin(); it != m_vecSelectors.end(); it++)
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{
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if((*it)->getSelectorType()==m_curSelector)
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{
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return (*it);
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}
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}
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return nullptr;
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}
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void SelectorManager::setDrawGraphicsItem(GraphicsItemType item)
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{
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for(auto it = m_vecSelectors.begin(); it != m_vecSelectors.end(); it++)
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{
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if((*it)->getSelectorType()==ST_cerating)
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{
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CreatingSelector* creatingSelector = dynamic_cast<CreatingSelector*>(*it);
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creatingSelector->setCreatingItem(item);
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}
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}
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}
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void SelectorManager::onSignal_setWorkingSelector(SelectorType s)
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{
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setWorkingSelector(s);
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}
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