/**
 * @file PaiWidget.cpp
 * @brief 带有边框的widget
 * @date 2013-01-29
 */
#include <QPainter>
#include <QStyleOption>

#include "PaiWidget.h"

using namespace pai::gui;

PaiWidget::PaiWidget(QWidget *pParent, Qt::WindowFlags flags) :
    QWidget(pParent, flags),
    m_ShowTopBorder(true),
    m_ShowBottomBorder(true),
    m_ShowLeftBorder(true),
    m_ShowRightBorder(true)
{
}

PaiWidget::~PaiWidget()
{
}

void PaiWidget::ShowBorder(bool showTop, bool showBottom, bool showLeft, bool showRight)
{
    m_ShowTopBorder = showTop;
    m_ShowBottomBorder = showBottom;
    m_ShowLeftBorder = showLeft;
    m_ShowRightBorder = showRight;
}

void PaiWidget::SetBackgroundColor(const QColor & color)
{
    m_BackgroundColor = color;
}

void PaiWidget::paintEvent(QPaintEvent *pEvent)
{
    QWidget::paintEvent(pEvent);

    // 此处用于绘制StyleSheet效果，如果PaiWidget作为Dialog的CentralWidget,不添加此句
    // StyleSheet将不起效。见defect 34430
    QStyleOption opt;
    opt.init(this);
    QPainter p(this);
    style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);

    QRect rt = rect();

    QPainter painter(this);
    painter.setPen(QColor("#767F85"));

    if(m_BackgroundColor.isValid())
    {
        painter.fillRect(rt, QBrush(m_BackgroundColor));
    }

    if(m_ShowTopBorder)
    {
        painter.drawLine(rt.topLeft(), rt.topRight());
    }
    if(m_ShowBottomBorder)
    {
        painter.drawLine(rt.bottomLeft(), rt.bottomRight());
    }
    if(m_ShowLeftBorder)
    {
        painter.drawLine(rt.topLeft(), rt.bottomLeft());
    }
    if(m_ShowRightBorder)
    {
        painter.drawLine(rt.topRight(), rt.bottomRight());
    }
}