/**
 * @file ModulePortInfoGraphicsItem.cpp
 * @date 2011-10-31
 */
#include <cmath>
#include <QPainter>
#include <QGradient>
#include <QPalette>
#include <QtDebug>
#include "ModuleGraphicsItem.h"
#include "ModuleConnection.h"
#include "ModuleInformation.h"
#include "ModulePortInfoGraphicsItem.h"


using namespace pai::graphics2d;

ModulePortInfoGraphicsItem::ModulePortInfoGraphicsItem(ModuleGraphicsItem *pModuleItem,
                                                       PortDirection portDirection,
                                                       int portIndex, QGraphicsItem *pParent) :
    QGraphicsItem(pParent),
    m_pModuleItem(pModuleItem),
    m_PortDirection(portDirection),
    m_PortIndex(portIndex),
    m_TraceFinished(0),
    m_speed(0)
{
    setZValue(0);
}

ModulePortInfoGraphicsItem::~ModulePortInfoGraphicsItem()
{
}

int ModulePortInfoGraphicsItem::type() const
{
    return Type;
}

QRectF ModulePortInfoGraphicsItem::boundingRect() const
{
    QRectF rect;

    if(m_pModuleItem != NULL)
    {
        if(m_PortDirection == Top)
        {
            rect.setBottomLeft(m_pModuleItem->GetPortPostion(m_PortDirection, m_PortIndex));
            rect.setSize(QSizeF(300, 40));
        }
        else
        {
            rect.setTopLeft(m_pModuleItem->GetPortPostion(m_PortDirection, m_PortIndex));
            rect.setSize(QSizeF(300, 40));
        }
    }
	return rect;
}

void ModulePortInfoGraphicsItem::paint(QPainter *pPainter,
                                       const QStyleOptionGraphicsItem */*pOption*/,
                                       QWidget */*pWidget*/)
{
    if(!m_pModuleItem)
    {
        return;
    }

    const int xLen = 60;
    const int yLen = 13;

    QPointF startPoint = m_pModuleItem->GetPortPostion(m_PortDirection, m_PortIndex);
    QPointF endPoint;

    if(m_PortDirection == Top)
    {
        endPoint.setX(startPoint.x() + xLen);
        endPoint.setY(startPoint.y() - yLen);
    }
    else
    {
        endPoint.setX(startPoint.x() + xLen);
        endPoint.setY(startPoint.y() + yLen);
    }

    QPen oldPen = pPainter->pen();

    QPen pen; // creates a default pen
    pen.setStyle(Qt::DashLine);
    pen.setWidth(1);
    pen.setColor(Qt::black);

    pPainter->setPen(pen);

    pPainter->drawLine(startPoint, endPoint);

    pPainter->setPen(oldPen);

    pPainter->drawText(endPoint, QString("%1 Traces (%2 Trc/Sec)").arg(m_TraceFinished).arg(m_speed));
}

pai::graphics2d::PortDirection ModulePortInfoGraphicsItem::GetPortDirection() const
{
	return m_PortDirection;
}

int ModulePortInfoGraphicsItem::GetPortIndex() const
{
	return m_PortIndex;
}

void ModulePortInfoGraphicsItem::SetPrgsInfo(int trace, int speed)
{
	m_TraceFinished = trace;
	m_speed = speed;
}