mirror of
https://invent.kde.org/graphics/okular
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146 lines
4.3 KiB
C++
146 lines
4.3 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 by Tobias Koenig <tokoe@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef ANNOTATIONPROXYMODEL_H
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#define ANNOTATIONPROXYMODEL_H
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#include <QtCore/QSortFilterProxyModel>
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#include <QtCore/QPair>
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/**
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* A proxy model, which filters out all pages except the
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* current one.
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*/
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class PageFilterProxyModel : public QSortFilterProxyModel
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{
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Q_OBJECT
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public:
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/**
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* Creates a new page filter proxy model.
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*
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* @param parent The parent object.
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*/
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explicit PageFilterProxyModel( QObject *parent = nullptr );
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/**
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* Reimplemented from QSortFilterProxy.
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*/
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bool filterAcceptsRow( int, const QModelIndex& ) const override;
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public Q_SLOTS:
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/**
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* Sets whether the proxy model shall filter
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* by current page.
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*/
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void groupByCurrentPage( bool value );
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/**
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* Sets the current page.
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*/
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void setCurrentPage( int page );
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private:
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bool mGroupByCurrentPage;
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int mCurrentPage;
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};
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/**
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* A proxy model which either groups the annotations by
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* pages or shows them all as list.
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*/
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class PageGroupProxyModel : public QAbstractProxyModel
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{
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Q_OBJECT
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public:
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/**
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* Creates a new page group proxy model.
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*
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* @param parent The parent object.
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*/
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explicit PageGroupProxyModel( QObject *parent = nullptr );
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int columnCount( const QModelIndex &parentIndex ) const override;
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int rowCount( const QModelIndex &parentIndex ) const override;
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QModelIndex index( int row, int column, const QModelIndex &parentIndex = QModelIndex() ) const override;
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QModelIndex parent( const QModelIndex &index ) const override;
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QModelIndex mapFromSource( const QModelIndex &sourceIndex ) const override;
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QModelIndex mapToSource( const QModelIndex &proxyIndex ) const override;
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void setSourceModel( QAbstractItemModel *model ) override;
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public Q_SLOTS:
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/**
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* Sets whether the proxy model shall group
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* the annotations by page.
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*/
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void groupByPage( bool value );
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private Q_SLOTS:
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void rebuildIndexes();
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private:
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bool mGroupByPage;
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QList<QModelIndex> mIndexes;
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QList<QPair< QModelIndex, QList<QModelIndex> > > mTreeIndexes;
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};
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/**
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* A proxy model which groups the annotations by author.
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*/
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class AuthorGroupProxyModel : public QAbstractProxyModel
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{
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Q_OBJECT
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public:
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/**
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* Creates a new author group proxy model.
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*
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* @param parent The parent object.
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*/
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explicit AuthorGroupProxyModel( QObject *parent = nullptr );
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~AuthorGroupProxyModel();
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int columnCount( const QModelIndex &parentIndex ) const override;
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int rowCount( const QModelIndex &parentIndex ) const override;
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QModelIndex index( int row, int column, const QModelIndex &parentIndex = QModelIndex() ) const override;
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QModelIndex parent( const QModelIndex &index ) const override;
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QModelIndex mapFromSource( const QModelIndex &sourceIndex ) const override;
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QModelIndex mapToSource( const QModelIndex &proxyIndex ) const override;
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void setSourceModel( QAbstractItemModel *model ) override;
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QItemSelection mapSelectionToSource(const QItemSelection &selection) const override;
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QItemSelection mapSelectionFromSource(const QItemSelection &selection) const override;
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QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const override;
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QMap<int, QVariant> itemData(const QModelIndex &index) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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public Q_SLOTS:
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/**
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* Sets whether the proxy model shall group
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* the annotations by author.
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*/
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void groupByAuthor( bool value );
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private Q_SLOTS:
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void rebuildIndexes();
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private:
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class Private;
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Private* const d;
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};
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#endif
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