column_index_list.h

#pragma once
 
// Application headers
#include "include/column_data/column.h"
namespace ehm_dal::tables {
class AbstractTable;
}
 
// Qt headers
#include <QModelIndex>
#include <memory>
#include <vector>
 
namespace ehm_dal::column_data {
 
// --- List/container of column indexes --- //
class ColumnIndexList
{
public:
    ColumnIndexList();
    ColumnIndexList(std::shared_ptr<ehm_dal::tables::AbstractTable> table);
 
    // Add column indexes
    void add(std::shared_ptr<ehm_dal::tables::AbstractTable> table, const qint32 column_index);
    void add(std::shared_ptr<ehm_dal::tables::AbstractTable> table,
             const std::vector<qint32> &column_indexes);
    void addAll(std::shared_ptr<ehm_dal::tables::AbstractTable> table);
 
    // Get data: columns
    const Column *column(const qint32 column_index) const;
    std::optional<qint32> columnId(const qint32 column_index) const;
    QModelIndex index(const qint32 row, const qint32 column_index) const;
    QModelIndex index(const qint32 row,
                      const qint32 column_index,
                      const qint32 parent_row,
                      const qint32 parent_column = 0) const;
    std::shared_ptr<ehm_dal::tables::AbstractTable> table(const qint32 column_index) const;
 
    // Get data: container attributes
    qint32 columnCount() const;
    qint32 rowCount(const qint32 table_index = 0) const;
 
private:
    struct ColumnIndex
    {
        qint32 column_id_{0};
        qint32 table_index_{0};
 
        ColumnIndex(const qint32 table_index, const qint32 column_id);
    };
 
    // Column and table data
    std::vector<ColumnIndex> indexes_;
    std::vector<std::shared_ptr<ehm_dal::tables::AbstractTable>> tables_;
 
    // Add column indexes
    qint32 addTable(std::shared_ptr<ehm_dal::tables::AbstractTable> table);
};
} // namespace ehm_dal::column_data