drug_sensitivity_reaction/zhong.h

#ifndef ZHONG_H
#define ZHONG_H

#include <QWidget>
#include <QtSql/QSql>
#include <QtSql/QSqlDatabase>
#include <QtSql/QSqlQueryModel>
#include <QtSql/QSqlError>
#include <QSqlQuery>
#include <QSqlTableModel>
#include <QDebug>
#include "addzhong.h"
#include <QStyledItemDelegate>
#include <QPushButton>
#include <QPainter>
#include <QApplication>
#include <QMouseEvent>
#include <QModelIndex>
#include<QTableView>
#include<date.h>
#include<datee.h>
class CenteredItemDelegate4 : 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 ColoredSqlTableModel :  QSqlTableModel {
public:
    ColoredSqlTableModel(QObject *parent = nullptr) : QSqlTableModel(parent) {}

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override {
        if (role == Qt::BackgroundRole) {
            if (index.row() % 2 == 0) {
                return QVariant(QBrush(Qt::white));
            } else {
                return QVariant(QBrush(QColor(229, 247, 255)));
            }
        }
        return QSqlTableModel::data(index, role);
    }
};
class ButtonDelegate1 : 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，用于绘制按钮
    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
    {
        if (index.column() == 6)  // 判断是否为第五列
        {
            // // 绘制编辑按钮
            // QStyleOptionButton editButtonOption;
            // editButtonOption.rect = option.rect;
            // editButtonOption.rect.setWidth(editButtonOption.rect.width() * 0.4);
            // editButtonOption.text = "编辑";
            // editButtonOption.state = QStyle::State_Enabled;
            // editButtonOption.features |= QStyleOptionButton::Flat; // 设置为扁平样式，去除边框
            // QApplication::style()->drawControl(QStyle::CE_PushButton, &editButtonOption, painter);

            // 绘制删除按钮
            QStyleOptionButton deleteButtonOption;
            deleteButtonOption.rect = option.rect;
           // deleteButtonOption.rect.setX(deleteButtonOption.rect.x() + deleteButtonOption.rect.width() * 0.4);
            //deleteButtonOption.rect.setWidth(deleteButtonOption.rect.width() * 0.6);
            deleteButtonOption.text = "删除";
            deleteButtonOption.state = QStyle::State_Enabled;
            deleteButtonOption.features |= QStyleOptionButton::Flat; // 设置为扁平样式，去除边框

            // 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，判断按钮点击
    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);
    }


};
namespace Ui {
class zhong;
}

class zhong : public QWidget
{
    Q_OBJECT

public:
    explicit zhong(QWidget *parent = nullptr);
    ~zhong();
    void getshui();
private slots:
//    void on_pushButton_clicked();

    void on_pushButton_2_clicked();

    void on_pushButton_3_clicked();
/*
    void on_pushButton_5_clicked();

    void on_pushButton_6_clicked()*/;

    void on_pushButton_4_clicked();
    void bianji(const QModelIndex& index);
    void shanchu(const QModelIndex& index);

    void on_comboBox_currentTextChanged(const QString &arg1);

    void on_pushButton_5_clicked();

    void on_pushButton_6_clicked();
    void getkaishi(QString str);
    void getkaishii(QString str);

private:
    date *m_date;
    datee *m_datee;
    QSqlTableModel* model;
 QWidget mask_window;
    void shuaxin();
addzhong *m_addzhong;
    ButtonDelegate1* delegate2 = new ButtonDelegate1;
private:
    Ui::zhong *ui;

};

#endif // ZHONG_H