src/models/UniversalTableModel.h - dev-ver1 - friendlyperch/QGrid

src/models/UniversalTableModel.h
83 строки3 KB
okuntsev
change add and remove logic
14 янв 2026, 18:27
14 янв 2026, 18:2797097c2
#pragma once

#include <functional>

#include <QAbstractTableModel>
#include <QMetaProperty>
#include <QMetaMethod>
#include <QSet>

#include "QGrid/ActiveListBase.h"
#include "QGrid/GridColumn.h"
#include "QGrid/GridCommon.h"

class UniversalTableModel : public QAbstractTableModel
{
    Q_OBJECT

public:
    UniversalTableModel(QObject *parent = nullptr);
    int rowCount(const QModelIndex &index) const;
    int columnCount(const QModelIndex &index) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;
    bool setData(const QModelIndex &index, const QVariant &value,
                 int role = Qt::EditRole);

    Mode getMode() const;
    void setMode(const Mode &value);
    QVector<GridColumn *> getColumns() const;
    void setColumns(const QVector<GridColumn *> &value);

    ActiveListBase *getDatasource() const;
    void setDatasource(ActiveListBase *value);

    GridColumn *getColumn(int index) const;

    QObject *getObjectByIndex(int index);

    void setCheckableSelectionEnabled(bool enabled);
    bool getCheckableSelectionEnabled() const;
    void setRowSelected(int row, bool selected);
    bool isRowSelected(int row) const;
    QSet<int> getSelectedRows() const;
    void setSelectionChangedCallback(std::function<void(int, bool)> callback);

protected:
    QMetaMethod findOnObjectPropertyChangedMethod();
    QString getPropertyName(QObject *sender, int senderSignalIndex);

private:
    void subscribeToAllObject(ActiveListBase *value);
    void subscribeToObjectProperties(QObject *obj);
    void unsubscribeFromObjectProperties(QObject *obj);
    void unsubscribeFromAllObjects(ActiveListBase *value);
    int getColumnIndexByVisualIndex(int visualIndex) const;

signals:
    void datasourceChanged();

public slots:
    void setFilters(QMap<QString, QVariant> value);
    void reloadDatasource();

protected slots:
    void onDatasourceCountChanged();
    void onDatasourceInsert(size_t index, size_t count);
    void onDatasourceRemove(size_t index, size_t count);
    void onObjectPropertyChanged();

private:
    QString table;
    QVector<GridColumn *> columns;
    QMap<QString, QVariant> filters;
    Mode mode;
    GridColumn *idColumn = nullptr;
    ActiveListBase *datasource = nullptr;
    QMetaMethod onObjectPropertyChangedMethod;
    bool mCheckableSelectionEnabled = false;
    QSet<int> mSelectedRows;
    std::function<void(int, bool)> mSelectionChangedCallback;
};