#include "formtableitem.h"
#include "ui_formtableitem.h"
#include <QPainter>
#include <QMouseEvent>
#include <QInputDialog>
#include <QMessageBox>

FormTableItem::FormTableItem(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::FormTableItem)
{
    ui->setupUi(this);
}

FormTableItem::~FormTableItem()
{
    delete ui;
}

void FormTableItem::paintEvent(QPaintEvent* event)
{
    QPainter painter(this);
    QRect rect = this->rect();

    // 获取RGB值
    int red = m_backColor.red();
    int green = m_backColor.green();
    int blue = m_backColor.blue();
    if(red==255 && green==255 && blue==255)
    {
        //背景(透明)
        painter.fillRect(rect.left(), rect.top(), rect.width(), rect.height(), QColor(255, 255, 255, 0));
    }
    else
    {
        //背景
        painter.fillRect(rect.left(), rect.top(), rect.width(), rect.height(), m_backColor);
    }

    if(!m_pixmap.isNull())
    {
        painter.drawPixmap(0, 0, m_pixmap);
    }

//    //测试画框
//    painter.setPen(Qt::red);
//    QRect rectRound(rect.left(), rect.top(), rect.width(), rect.height());
//    painter.drawRect(rectRound);

    //
    painter.setBrush(Qt::NoBrush); // 确保文字不被填充色遮挡
    painter.setFont(m_txtFont);
    painter.setPen(m_txtColor);

    if (m_strShowTxt.length()>0)
    {
        QRect rt = rect;
        QString text = "";
        bool bVer = false;
//        if (!m_bVerticaDrawing)
//        {
//            QFontMetrics fm1(m_txtFont);
//            QRect textRect = fm1.boundingRect(m_strShowTxt);
//            if (textRect.width() > rt.width())
//            {
//                bVer = true;
//            }
//        }
        if (m_bVerticaDrawing || bVer)
        {
            for (int i = 0; i < m_strShowTxt.size(); i++) {
                if (!i)text += m_strShowTxt.at(i);
                else {
                    text += "\n";
                    text += m_strShowTxt.at(i);
                }
            }
        }
        else
        {
//            rt.setX(rect.left());
//            rt.setY(rect.top() + rect.height() / 3);
//            rt.setWidth(rect.width());
//            rt.setHeight(rect.height() / 3);
            text = m_strShowTxt;
        }
        //文字
        painter.drawText(rt, Qt::AlignCenter, text);
    }

    //边框
    BuildBorderLines();
    DrawBorderLines(&painter);
}

void FormTableItem::BuildBorderLines()
{
    int marginValue=0;
    int outVlaue=0;
    QPointF point,p1,p2;

    QRect viewRect=rect();
    point=viewRect.topLeft();
    p1.setX(point.x()+marginValue);
    p1.setY(point.y()+marginValue+outVlaue);

    point=viewRect.bottomLeft();
    p2.setX(point.x()+marginValue);
    p2.setY(point.y()-(marginValue+outVlaue));
    m_LeftLine.setP1(p1);
    m_LeftLine.setP2(p2);
    //////////////////////////////////////////////////////////////////////////
    point=viewRect.topLeft();
    p1.setX(point.x()+marginValue+outVlaue);
    p1.setY(point.y()+marginValue);

    point=viewRect.topRight();
    p2.setX(point.x()-(marginValue+outVlaue));
    p2.setY(point.y()+marginValue);
    m_TopLine.setP1(p1);
    m_TopLine.setP2(p2);
    //////////////////////////////////////////////////////////////////////////
    point=viewRect.topRight();
    p1.setX(point.x()-marginValue);
    p1.setY(point.y()+(marginValue+outVlaue));

    point=viewRect.bottomRight();
    p2.setX(point.x()-marginValue);
    p2.setY(point.y()-(marginValue+outVlaue));
    m_RightLine.setP1(p1);
    m_RightLine.setP2(p2);
    //////////////////////////////////////////////////////////////////////////
    point=viewRect.bottomRight();
    p1.setX(point.x()-(marginValue+outVlaue));
    p1.setY(point.y()-marginValue);

    point=viewRect.bottomLeft();
    p2.setX(point.x()+marginValue+outVlaue);
    p2.setY(point.y()-marginValue);
    m_BottomLine.setP1(p1);
    m_BottomLine.setP2(p2);
    //////////////////////////////////////////////////////////////////////////
}

void FormTableItem::DrawBorderLines(QPainter *paint)
{
    paint->save();
    //
    switch(m_drawBorder)
    {
    case FormTableItem::All:
        {
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            m_TopState=m_RightState=m_BottomState=m_LeftState=true;
        }
        break;

    case  FormTableItem::Top:
        {
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            m_TopState=true;
            m_RightState=m_BottomState=m_LeftState=false;
        }
        break;
    case  FormTableItem::Right:
        {
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            m_RightState=true;
            m_TopState=m_BottomState=m_LeftState=false;
        }
        break;
    case  FormTableItem::Bottom:
        {
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            m_BottomState=true;
            m_TopState=m_RightState=m_LeftState=false;
        }
        break;
    case  FormTableItem::Left:
        {
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            m_LeftState=true;
            m_TopState=m_RightState=m_BottomState=false;
        }
        break;

    case  FormTableItem::TopRight:
        {
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            m_TopState=m_RightState=true;
            m_LeftState=m_BottomState=false;
        }
        break;
    case  FormTableItem::RightBottom:
        {
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            m_BottomState=m_RightState=true;
            m_LeftState=m_TopState=false;
        }
        break;
    case  FormTableItem::BottomLeft:
        {
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            m_BottomState=m_LeftState=true;
            m_RightState=m_TopState=false;
        }
        break;
    case  FormTableItem::LeftTop:
        {
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            m_TopState=m_LeftState=true;
            m_RightState=m_BottomState=false;
        }
        break;

    case  FormTableItem::TopBottom:
        {
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            m_TopState=m_BottomState=true;
            m_RightState=m_LeftState=false;
        }
        break;
    case  FormTableItem::LeftRight:
        {
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            m_TopState=m_BottomState=false;
            m_RightState=m_LeftState=true;
        }
        break;

    case  FormTableItem::TopRightBottom:
        {
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            m_RightState=m_TopState=m_BottomState=true;
            m_LeftState=false;
        }
        break;
    case  FormTableItem::RightBottomLeft:
        {
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            m_RightState=m_LeftState=m_BottomState=true;
            m_TopState=false;
        }
        break;
    case  FormTableItem::BottomLeftTop:
        {
            paint->setPen(QPen(Qt::black,BottomBorderWidth,(Qt::PenStyle)BottomBorderStyle));
            paint->drawLine(m_BottomLine);
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            m_TopState=m_LeftState=m_BottomState=true;
            m_RightState=false;
        }
        break;
    case  FormTableItem::LeftTopRight:
        {
            paint->setPen(QPen(Qt::black,LeftBorderWidth,(Qt::PenStyle)LeftBorderStyle));
            paint->drawLine(m_LeftLine);
            paint->setPen(QPen(Qt::black,TopBorderWidth,(Qt::PenStyle)TopBorderStyle));
            paint->drawLine(m_TopLine);
            paint->setPen(QPen(Qt::black,RightBorderWidth,(Qt::PenStyle)RightBorderStyle));
            paint->drawLine(m_RightLine);
            m_TopState=m_LeftState=m_RightState=true;
            m_BottomState=false;
        }
        break;
    default: //None
        {

        }
        break;
    }
    //
    paint->restore();
}


void FormTableItem::mouseDoubleClickEvent(QMouseEvent *event)
{
    // 检查是否是左键双击
    if (event->button() == Qt::LeftButton)
    {
        if(m_strFormulaText!="")
        {
            QMessageBox::information(nullptr,"提示","公式状态不可修改，如需修改或删除，请到属性区修改！");
            return;
        }

        bool ok=0;
        QString Formtiom=QInputDialog::getText(NULL, "内容编辑", "内容", QLineEdit::Normal,m_strShowTxt,&ok);
        if(!ok) return;

        m_strShowTxt = Formtiom;
        update();
    }


    // 其他按钮的双击交给基类处理
    QWidget::mouseDoubleClickEvent(event);
}