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| |
| #ifndef PatternistSDK_TreeSortFilter_H |
| #define PatternistSDK_TreeSortFilter_H |
| |
| #include <QSortFilterProxyModel> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternistSDK |
| { |
| /** |
| * @short A sort & filter model for hierarchical item models. |
| * |
| * Features: |
| * - When sorting, numbers are treated as a whole instead of on a |
| * character-per-character basis. For example, @c myFile-10 is sorted after @c myFile-9. |
| * - When filtering, it behaves as usually is expected when the item model is hierarchical. That is, |
| * an item is shown if it matches or any of its children matches. |
| * |
| * @image html TreeSortFilter.png "TreeSortFilter in action on a QTreeView." |
| * |
| * @ingroup PatternistSDK |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class TreeSortFilter : public QSortFilterProxyModel |
| { |
| public: |
| /** |
| * Creates a TreeSortFilter. |
| * |
| * @param parent the parent. Must not be @c null. |
| */ |
| TreeSortFilter(QObject *parent); |
| |
| protected: |
| /** |
| * Compares @p left and @p right. They are treated as QStrings. |
| */ |
| virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const; |
| |
| /** |
| * Overridden to implement filtering. |
| */ |
| virtual bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const; |
| |
| private: |
| inline bool numericLessThan(const QString &l, const QString &r) const; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |
| // vim: et:ts=4:sw=4:sts=4 |