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https://github.com/saitohirga/WSJT-X.git
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dad4863e84
This fixes a defect where station detail changes are not saved. The Qt sort and filter proxy models utilize an item cache that must be flushed by callig submit() before accessing the underlying model if the proxy model has been used for updates. Also separated the item model candidate key filter from the implementation internals of the foreign key item delegate so that candidate key filtered models can be used directly as view models. Make the insert new station details band combo box use a candidate key filtered item model to avoid constraint violations. Constraint is zero or one station records per band. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5161 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
#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 referencing_key_column = 0
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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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