#include "util/subMovingSelector.h"
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsView>
#include "graphicsItem/graphicsBaseItem.h"
#include "graphicsItem/handleText.h"

SubMovingSelector::SubMovingSelector(QObject *parent)
    : BaseSelector(parent)
    ,m_pParentItem(nullptr)
{
    m_type = ST_subMoving;
}
SubMovingSelector::~SubMovingSelector()
{

}

void SubMovingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
{
    ms_ptMouseLast = event->scenePos();

    QList<QGraphicsItem *> items = scene->selectedItems();
}

void SubMovingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
{
    ms_ptMouseLast = event->scenePos();
    if(m_pParentItem == nullptr)
    {
        QList<QGraphicsItem *> items = scene->items(ms_ptMouseLast);
        if (items.count() == 1)
        {
            ItemControlHandle* pHandle = qgraphicsitem_cast<ItemControlHandle*>(items.first());
            if(pHandle)
            {
                GraphicsBaseItem* item = pHandle->getParentPtr();
                if(item)
                {
                    if(ms_nDragHandle >= H_textCaption && ms_nDragHandle < H_connect) //移动文本
                    {
                        pHandle->setPos(item->mapFromScene(ms_ptMouseLast));
                        m_pParentItem = item;
                    }
                }
            }
        }
    }
    else
    {
        if(m_pParentItem)
        {
            if(ms_nDragHandle >= H_textCaption &&  ms_nDragHandle < H_connect) //文本
            {
                HandleText* pt = dynamic_cast<HandleText*>(m_pParentItem->getHandlePtr(ms_nDragHandle));
                if(pt)
                {
                    pt->setPos(m_pParentItem->mapFromScene(ms_ptMouseLast));
                }
            }
        }
    }

}

void SubMovingSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
{
    m_pParentItem = nullptr;
    ms_nDragHandle = H_none;
    setCursor(scene, Qt::ArrowCursor);
    scene->callParentEvent(event);
    emit setWorkingSelector(ST_base);
}