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35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
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#ifndef FOREIGN_KEY_DELEGATE_HPP_
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#define FOREIGN_KEY_DELEGATE_HPP_
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#include <QStyledItemDelegate>
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#include <QScopedPointer>
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class CandidateKeyFilter;
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//
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// Class ForeignKeyDelegate
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//
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// Item delegate for editing a foreign key item in a one or many
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// to one relationship. A QComboBox is used as an item delegate
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// for the edit role.
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//
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class ForeignKeyDelegate final
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: public QStyledItemDelegate
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{
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public:
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explicit ForeignKeyDelegate (QAbstractItemModel const * referencing_model
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, QAbstractItemModel * referenced_model
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, int referenced_key_column = 0
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, QObject * parent = nullptr
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, int referencing_key_role = Qt::EditRole
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, int referenced_key_role = Qt::EditRole);
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~ForeignKeyDelegate ();
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QWidget * createEditor (QWidget * parent, QStyleOptionViewItem const&, QModelIndex const&) const override;
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private:
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QScopedPointer<CandidateKeyFilter> candidate_key_filter_;
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};
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#endif
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