Qt 5.6 | Qt Quick Controls | Qt Quick Controls - Table View Example | sortfilterproxymodel.h Example File

Qt 5.6.2 Reference Documentation

# sortfilterproxymodel.h Example File

tableview/src/sortfilterproxymodel.h

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      #ifndef SORTFILTERPROXYMODEL_H
      #define SORTFILTERPROXYMODEL_H

      #include <QtCore/qsortfilterproxymodel.h>
      #include <QtQml/qqmlparserstatus.h>
      #include <QtQml/qjsvalue.h>

      class SortFilterProxyModel : public QSortFilterProxyModel, public QQmlParserStatus
      {
          Q_OBJECT
          Q_INTERFACES(QQmlParserStatus)

          Q_PROPERTY(int count READ count NOTIFY countChanged)
          Q_PROPERTY(QObject *source READ source WRITE setSource)

          Q_PROPERTY(QByteArray sortRole READ sortRole WRITE setSortRole)
          Q_PROPERTY(Qt::SortOrder sortOrder READ sortOrder WRITE setSortOrder)

          Q_PROPERTY(QByteArray filterRole READ filterRole WRITE setFilterRole)
          Q_PROPERTY(QString filterString READ filterString WRITE setFilterString)
          Q_PROPERTY(FilterSyntax filterSyntax READ filterSyntax WRITE setFilterSyntax)

          Q_ENUMS(FilterSyntax)

      public:
          explicit SortFilterProxyModel(QObject *parent = 0);

          QObject *source() const;
          void setSource(QObject *source);

          QByteArray sortRole() const;
          void setSortRole(const QByteArray &role);

          void setSortOrder(Qt::SortOrder order);

          QByteArray filterRole() const;
          void setFilterRole(const QByteArray &role);

          QString filterString() const;
          void setFilterString(const QString &filter);

          enum FilterSyntax {
              RegExp,
              Wildcard,
              FixedString
          };

          FilterSyntax filterSyntax() const;
          void setFilterSyntax(FilterSyntax syntax);

          int count() const;
          Q_INVOKABLE QJSValue get(int index) const;

          void classBegin();
          void componentComplete();

      signals:
          void countChanged();

      protected:
          int roleKey(const QByteArray &role) const;
          QHash<int, QByteArray> roleNames() const;
          bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;

      private:
          bool m_complete;
          QByteArray m_sortRole;
          QByteArray m_filterRole;
      };

      #endif // SORTFILTERPROXYMODEL_H