#include "util/linkMovingSelector.h"
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsView>
#include "graphicsItem/electricConnectLineItem.h"

LinkMovingSelector::LinkMovingSelector(FixedPortsModel* model,QObject *parent)
    : BaseSelector(model,parent)
    ,m_pMovingLine(nullptr)
{
    m_type = ST_linkMoving;
}
LinkMovingSelector::~LinkMovingSelector()
{

}

void LinkMovingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene,DiagramMode sceneMode)
{
    ms_ptMouseLast = event->scenePos();
}

void LinkMovingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene,DiagramMode sceneMode)
{
    ms_ptMouseLast = event->scenePos();
    if (m_pMovingLine == nullptr) {
        QList<QGraphicsItem*> items = scene->selectedItems();
        if (items.count() == 1) {
            ElectricConnectLineItem* item = qgraphicsitem_cast<ElectricConnectLineItem*>(items.first());
            if (item) {
                m_pMovingLine = item;
                m_pMovingLine->startDrag(event->scenePos());
                qDebug() << "Started drag on line at:" << event->scenePos();
            }
        }
    } else {
        m_pMovingLine->updateDrag(event->scenePos());
    }

}

void LinkMovingSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene,DiagramMode sceneMode)
{
    if(m_pMovingLine)
    {
        m_pMovingLine->endDrag();
    }
    m_pMovingLine = nullptr;
    ms_nDragHandle = H_none;
    setCursor(scene, Qt::ArrowCursor);
    scene->callParentEvent(event);
    emit setWorkingSelector(ST_base);
}