DAVariantTableModel.h

#ifndef DAVARIANTTABLEMODEL_H
#define DAVARIANTTABLEMODEL_H
#include "DAGuiAPI.h"
#include "DATable.hpp"
#include <QAbstractTableModel>
#include <functional>
class QUndoStack;
namespace DA
{
class DAGUI_API DAVariantTableModel : public QAbstractTableModel
{
    Q_OBJECT
    DA_DECLARE_PRIVATE(DAVariantTableModel)
    friend class DAVariantTableModelSetDataCommand;
 
public:
    using FpToDisplayString = std::function< QString(const QVariant& v) >;
 
public:
    DAVariantTableModel(QObject* p = nullptr);
    DAVariantTableModel(DATable< QVariant >* d, QObject* p = nullptr);
    ~DAVariantTableModel();
    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
    virtual bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
    Qt::ItemFlags flags(const QModelIndex& index) const override;
    // 更新表格
    void update();
    // 设置是否可编辑
    void setEnableEdit(bool on = true);
    // 获取UndoStack
    QUndoStack* getUndoStack() const;
    // 设置table
    void setTable(DATable< QVariant >* t);
    DATable< QVariant >* getTable() const;
    // 清空表格
    void clearTable();
    // 注册显示函数，把QVariant转换为文本显示出来
    void registDisplayFun(FpToDisplayString fp);
    // 设置表头
    void setHeader(const QStringList& h);
public slots:
    void redo();
    void undo();
 
public:
    void setTableData(int row, int col, const QVariant& v);
    QVariant getTableData(int row, int col) const;
    void removeTableCell(int row, int col);
};
}
 
#endif  // DAVARIANTTABLEMODEL_H