#ifndef BACHISTORICALRECORDS_H
#define BACHISTORICALRECORDS_H
#include <QApplication>
#include <QWidget>
#include    <QtSql>
#include    <QDataWidgetMapper>
#include <QSqlTableModel>
#include <QTableView>
#include <QStyledItemDelegate>
#include "maxtu.h"
#include <QStyledItemDelegate>
#include <QPainter>
#include <QStyleOptionButton>
#include <QApplication>
#include<QMouseEvent>
#include <QApplication>
#include <QWidget>
#include <QPainter>
#include <QImage>
#include <QFile>
#include <QTextDocument>
#include <QAxObject>
#include <QAxWidget>
#include <date.h>
#include<datee.h>
#include<QHBoxLayout>
#include<QScrollArea>
#include<QButtonGroup>
#include <QCheckBox>
#include <QHeaderView>

#include<QMouseEvent>
#include<QPainter>
class CheckBoxTableModel2 : public QSqlTableModel
{
    Q_OBJECT

public:
    CheckBoxTableModel2(QObject *parent = nullptr, QSqlDatabase db = QSqlDatabase())
        : QSqlTableModel(parent, db) {}

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override
    {
        if (index.column() == 0 && role == Qt::CheckStateRole) {
            // 返回复选框的状态
            return m_checkStates.value(index.row(), Qt::Unchecked);
        }
        return QSqlTableModel::data(index, role);
    }

    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override
    {
        if (index.column() == 0 && role == Qt::CheckStateRole) {
            // 设置复选框的状态
            m_checkStates[index.row()] = value.toBool() ? Qt::Checked : Qt::Unchecked;
            emit dataChanged(index, index, {role});
            return true;
        }
        return QSqlTableModel::setData(index, value, role);
    }

    Qt::ItemFlags flags(const QModelIndex &index) const override
    {
        if (index.column() == 0) {
            // 使第一列可选中
            return QSqlTableModel::flags(index) | Qt::ItemIsUserCheckable;
        }
        return QSqlTableModel::flags(index);
    }

    void setAllCheckState(Qt::CheckState state)
    {
        for (int i = 0; i < rowCount(); ++i) {
            QModelIndex index = this->index(i, 0);
            setData(index, state, Qt::CheckStateRole);
        }
    }

private:
    QHash<int, Qt::CheckState> m_checkStates; // 存储复选框的状态
};

class CheckBoxHeader2 : public QHeaderView
{
    Q_OBJECT
public:
    CheckBoxHeader2(Qt::Orientation orientation, QWidget *parent = nullptr)
        : QHeaderView(orientation, parent), m_checkState(Qt::Unchecked) {}

protected:
    void paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const override
    {
        painter->save();
        QHeaderView::paintSection(painter, rect, logicalIndex);
        painter->restore();

        if (logicalIndex == 0) {
            QStyleOptionButton option;
            option.initFrom(this);
            option.rect = QRect(rect.left() + 3, rect.top() + 13, 16, 16);
            option.state = QStyle::State_Enabled | QStyle::State_Active;
            if (m_checkState == Qt::Checked) {
                option.state |= QStyle::State_On;
            } else if (m_checkState == Qt::Unchecked) {
                option.state |= QStyle::State_Off;
            } else {
                option.state |= QStyle::State_NoChange;
            }
            style()->drawPrimitive(QStyle::PE_IndicatorCheckBox, &option, painter, this);
        }
    }

    void mousePressEvent(QMouseEvent *event) override
    {
        int logicalIndex = logicalIndexAt(event->pos());
        if (logicalIndex == 0) {
            if (m_checkState == Qt::Checked) {
                m_checkState = Qt::Unchecked;
            } else {
                m_checkState = Qt::Checked;
            }
            updateSection(0);
            emit checkStateChanged(m_checkState);
        }
        QHeaderView::mousePressEvent(event);
    }

signals:
    void checkStateChanged(Qt::CheckState state);

private:
    Qt::CheckState m_checkState;
};
class CenteredItemDelegate2 : public QStyledItemDelegate {
public:
    QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const override {
        QWidget* editor = QStyledItemDelegate::createEditor(parent, option, index);
        if (editor) {
            editor->setStyleSheet("text-align: center;");
        }
        return editor;
    }


    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override {
        QStyleOptionViewItem opt = option;
        opt.displayAlignment = Qt::AlignHCenter | Qt::AlignVCenter;
        QStyledItemDelegate::paint(painter, opt, index);
    }
};
class ButtonDelegate4 : public QStyledItemDelegate
{
    Q_OBJECT
signals:
    void editButtonClicked(const QModelIndex& index) const;
    void deleteButtonClicked(const QModelIndex& index) const;
public:

    using QStyledItemDelegate::QStyledItemDelegate;

    // 创建编辑器，这里我们不需要编辑器，返回nullptr
    QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const override
    {
        return nullptr;
    }

    // 重绘函数，用于绘制按��?
    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
    {
        if (index.column() == 6)
        {


            // 绘制删除按钮
            QStyleOptionButton deleteButtonOption;
            // deleteButtonOption.rect = option.rect;
            deleteButtonOption.rect = option.rect;

            deleteButtonOption.text = "删除";
            deleteButtonOption.state = QStyle::State_Enabled;
            deleteButtonOption.features |= QStyleOptionButton::Flat; // 设置为扁平样式，去除边框
            QFontMetrics metrics(painter->font());



            // 创建一个调色板对象
            QPalette buttonPalette = QApplication::style()->standardPalette();
            // 设置文本颜色为红色
            buttonPalette.setColor(QPalette::ButtonText, Qt::red);
            // 将调色板应用到按钮样式选项中
            deleteButtonOption.palette = buttonPalette;
            QApplication::style()->drawControl(QStyle::CE_PushButton, &deleteButtonOption, painter);
        }
        else
        {
            QStyledItemDelegate::paint(painter, option, index);
        }
    }

    // 处理鼠标事件，判断按钮点��?
    bool editorEvent(QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& index)
    {
        if (index.column() == 6 && event->type() == QEvent::MouseButtonPress)
        {
            QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(event);

            QRect cellRect = option.rect;  // 使用更表意清晰的变量名表示单元格矩形区域
            if (cellRect.contains(mouseEvent->pos()))
            {
                emit deleteButtonClicked(index);
                return true;
            }
        }
        return QStyledItemDelegate::editorEvent(event, model, option, index);
    }


};
class ClickToViewDelegate : public QStyledItemDelegate
{

public:
    using QStyledItemDelegate::QStyledItemDelegate;

    QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const override
    {
        // 不允许编辑，返回nullptr
        return nullptr;
    }

    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
    {
        if (index.column() == 2 || index.column() == 3) // 第三列，列索引从0开始计��?
        {

            QString text = "点击查看";
            QStyleOptionButton buttonOption;
            buttonOption.rect = option.rect;
            buttonOption.text = text;
            buttonOption.state = QStyle::State_Enabled;
            buttonOption.features |= QStyleOptionButton::Flat; // 璁剧疆涓烘墎骞虫牱寮忥紝鍘婚櫎杈规
            QFontMetrics metrics(painter->font());
            // 创建一个调色板对象
            QPalette buttonPalette2 = QApplication::style()->standardPalette();

            buttonPalette2.setColor(QPalette::ButtonText, QColor(0, 170, 255));
            // 将调色板应用到按钮样式选项中
            buttonOption.palette = buttonPalette2;
            QApplication::style()->drawControl(QStyle::CE_PushButton, &buttonOption, painter);
        }
        else
        {
            QStyledItemDelegate::paint(painter, option, index);
        }
    }
};
namespace Ui {
class bachistoricalrecords;
}

class bachistoricalrecords : public QWidget
{
    Q_OBJECT

public:
    explicit bachistoricalrecords(QWidget *parent = nullptr);
    ~bachistoricalrecords();
    void getname();
public slots:
    void getshuaxin();

private slots:

    void  onCellClicked(const QModelIndex &index);
    void on_pushButton_clicked();

    void on_pushButton_2_clicked();

    void on_pushButton_4_clicked();



    void on_pushButton_6_clicked();
    void shanchu(const QModelIndex& index);

    void on_toolButton_clicked();

    void on_pushButton_3_clicked();

    void on_pushButton_5_clicked();
    void getkaishi(QString str);
    void getkaishii(QString str);
 void onPageButtonClicked(int id);
    void on_pushButton_10_clicked();

 void on_pushButton_9_clicked();

    void on_pushButton_11_clicked();
 void onTableViewClicked(const QModelIndex &index);
 void onDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
 void onHeaderCheckStateChanged(Qt::CheckState state);

private:
    CheckBoxHeader2 *header;

    CheckBoxTableModel2* model;
    QSqlQueryModel *currentModel; // 新增成员变量
    void  updateButtons();

    int currentPage=0;
    int totalPages;
    int recordsPerPage=18;
    void updatePage();
    QButtonGroup *buttonGroup;
    QHBoxLayout *buttonLayout;
    QWidget mask_window;
      void handleErrorAndRelease(QAxObject *workbook, QAxObject *workbooks, QAxWidget *excel);
    Ui::bachistoricalrecords *ui;

    QSqlQuery query;
    void shuaxin();

    QItemSelectionModel *theSelection; //选择模型

    QDataWidgetMapper   *dataMapper; //数据映射
    maxtu *m_maxtu;
    ClickToViewDelegate delegate;
    ButtonDelegate4* delegate2;
    date *m_date;
    datee *m_datee;
signals:
    void yuan(QPixmap p);
    void jie(QPixmap p);
    void fanhui();
    void lujing(QString str1,QString str2);

    void guan();
    void  tuichu2();//历史记录的退出
};

#endif // BACHISTORICALRECORDS_H