/**
 * @file PaiLabel.cpp
 * @date 2011-10-17
 */
#include <QPainter>

#include "PaiLabel.h"

using namespace pai::gui;

PaiLabel::PaiLabel(QWidget *pParent) :
    QLabel(pParent),
    m_PromptType(PT_NO_STYLE)
{
    // TODO Auto-generated constructor stub
}

PaiLabel::PaiLabel(const QString & text, QWidget *pParent) :
    QLabel(text, pParent),
    m_PromptType(PT_NO_STYLE)
{
    // TODO Auto-generated constructor stub
}

PaiLabel::~PaiLabel()
{
    // TODO Auto-generated destructor stub
}

void PaiLabel::ShowPromptMessge(PromptType type)
{
    m_PromptType = type;

    // 刷新提示区域
    update();
}

void PaiLabel::paintEvent(QPaintEvent *pEvent)
{
    QPainter painter(this);

    QFontMetrics fontMetrics(font());

    switch(m_PromptType)
    {
        case PT_Information:
        {
            painter.setPen(QColor("#829bb5"));
            QString showText = fontMetrics.elidedText(text(), Qt::ElideRight, width());
            painter.drawText(rect(), Qt::AlignVCenter | Qt::AlignLeft, showText);
            break;
        }
        case PT_Question:
        {
            painter.setPen(QColor("#829bb5"));
            QString showText = fontMetrics.elidedText(text(), Qt::ElideRight, width());
            painter.drawText(rect(), Qt::AlignVCenter | Qt::AlignLeft, showText);
            break;
        }
        case PT_Warning:
        {
            QPixmap warnPixmap(":/warn.png");
            painter.drawPixmap(0, (this->height() - warnPixmap.height()) / 2, warnPixmap);

            painter.setPen(QColor("#829bb5"));
            QString showText = fontMetrics.elidedText(text(), Qt::ElideRight, width() - warnPixmap.width());
            painter.drawText(rect().adjusted(warnPixmap.width(), 0, 0, 0), Qt::AlignVCenter | Qt::AlignLeft, showText);
            break;
        }
        case PT_Error:
        {
            QPixmap errPixmap(":/error.png");
            painter.drawPixmap(0, (this->height() - errPixmap.height()) / 2, errPixmap);

            painter.setPen(Qt::red);
            QString showText = fontMetrics.elidedText(text(), Qt::ElideRight, width() - errPixmap.width());
            painter.drawText(rect().adjusted(errPixmap.width() + 3, 0, 0, 0), Qt::AlignVCenter | Qt::AlignLeft, showText);
        }
            break;
        case PT_NO_STYLE_Text:
        {
            QString showText = fontMetrics.elidedText(text(), Qt::ElideRight, width());
            painter.drawText(rect(), Qt::AlignVCenter | Qt::AlignLeft, showText);
            break;
        }
        case PT_NO_STYLE:
        {
            QLabel::paintEvent(pEvent);
            break;
        }
        default:
            QLabel::paintEvent(pEvent);
            break;
    }
}