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#ifndef CANDIDATE_KEY_FILTER_HPP_
#define CANDIDATE_KEY_FILTER_HPP_
#include <QSortFilterProxyModel>
#include <QModelIndex>
#include "pimpl_h.hpp"
class QAbstractItemModel;
class CandidateKeyFilter final
: public QSortFilterProxyModel
{
public:
explicit CandidateKeyFilter (QAbstractItemModel * referenced_model
, int referenced_key_column
, QObject * parent = nullptr
, int referenced_key_role = Qt::EditRole);
explicit CandidateKeyFilter (QAbstractItemModel * referenced_model
, QAbstractItemModel const * referencing_model
, int referenced_key_column
, int referencing_key_column
, QObject * parent = nullptr
, int referenced_key_role = Qt::EditRole
, int referencing_key_role = Qt::EditRole);
~CandidateKeyFilter ();
// this key is not to be filtered, usually because we want to allow
// it since we are editing the row that contains it this it is valid
// even though it is in use
void set_active_key (QModelIndex const& index = QModelIndex {});
protected:
bool filterAcceptsRow (int candidate_row, QModelIndex const& candidate_parent) const override;
private:
class impl;
pimpl<impl> m_;
};
#endif
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