#include "graphicsItem/electricConnectLineItem.h"
#include <QGraphicsScene>
#include <QPainter>


ElectricConnectLineItem::ElectricConnectLineItem(QGraphicsItem *parent)
    : GraphicsBaseItem(parent)
{
    m_pen = QPen(Qt::black);
    m_brush = QBrush(Qt::NoBrush);
    setHandleVisible(false);
    setFunctionHandleIfShow(false);
    setFunctionHandleEnaable(false);
}

ElectricConnectLineItem::~ElectricConnectLineItem()
{
}

QPainterPath ElectricConnectLineItem::shape()
{
    QPainterPath path;
    path.addPath(m_points);
    path.closeSubpath(); //将路径闭合
    return path;
}

void ElectricConnectLineItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
    painter->setPen(m_pen);
    painter->setBrush(m_brush);

    painter->drawPath(m_points);
}


void ElectricConnectLineItem::calculatePath()
{
    prepareGeometryChange();
    m_points.clear();

    m_points.moveTo(m_pStart);
    m_points.lineTo(m_pEnd.x(),m_pStart.y());
    m_points.lineTo(m_pEnd);
}

void ElectricConnectLineItem::updateConnection(int callerId,QPointF pos)
{
    qDebug()<<pos;
    if(callerId == m_connectState.nSrcNodeId)
        setStartPoint(pos);
    else if(callerId == m_connectState.nDestNodeId)
        setEndPoint(pos);
    else
        qDebug()<<"ConnectLine update err";
    calculatePath();
}