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https://git.lyx.org/repos/lyx.git
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83b1c48846
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32469 a592a061-630c-0410-9148-cb99ea01b6c8
148 lines
2.9 KiB
C++
148 lines
2.9 KiB
C++
// -*- C++ -*-
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/**
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* \file TocModel.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef TOCMODEL_H
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#define TOCMODEL_H
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#include "qt_helpers.h"
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#include <QHash>
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#include <QStandardItemModel>
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class QSortFilterProxyModel;
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namespace lyx {
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class Buffer;
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class BufferView;
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class DocIterator;
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class Toc;
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class TocItem;
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namespace frontend {
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/// A QStandardItemModel that gives access to the reset method.
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/// This is needed in order to fix http://www.lyx.org/trac/ticket/3740
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class TocTypeModel : public QStandardItemModel
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{
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public:
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///
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TocTypeModel(QObject * parent);
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///
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void reset();
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};
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/// A class that adapt the TocBackend of a Buffer into standard Qt models for
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/// GUI visualisation.
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/// There is one TocModel per list in the TocBackend.
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class TocModel
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{
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public:
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///
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TocModel(QObject * parent);
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///
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void reset(Toc const & toc);
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///
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void reset();
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///
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void updateItem(DocIterator const & dit);
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///
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void clear();
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///
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QAbstractItemModel * model();
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///
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QAbstractItemModel const * model() const;
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///
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void sort(bool sort_it);
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///
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bool isSorted() const { return is_sorted_; }
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///
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TocItem const & tocItem(QModelIndex const & index) const;
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///
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QModelIndex modelIndex(DocIterator const & dit) const;
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///
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int modelDepth() const;
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private:
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///
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void populate(unsigned int & index, QModelIndex const & parent);
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///
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TocTypeModel * model_;
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///
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QSortFilterProxyModel * sorted_model_;
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///
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bool is_sorted_;
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///
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Toc const * toc_;
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///
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int maxdepth_;
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///
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int mindepth_;
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};
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/// A container for the different TocModels.
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class TocModels : public QObject
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{
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Q_OBJECT
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public:
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///
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TocModels();
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///
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void reset(BufferView const * bv);
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///
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int depth(QString const & type);
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///
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QAbstractItemModel * model(QString const & type);
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///
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QAbstractItemModel * nameModel();
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///
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QModelIndex currentIndex(QString const & type) const;
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///
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void goTo(QString const & type, QModelIndex const & index) const;
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///
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void init(Buffer const & buffer);
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///
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void updateBackend() const;
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///
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void updateItem(QString const & type, DocIterator const & dit);
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///
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void sort(QString const & type, bool sort_it);
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///
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bool isSorted(QString const & type) const;
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/// the item that is currently selected
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TocItem const currentItem(QString const & type,
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QModelIndex const & index) const;
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Q_SIGNALS:
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/// Signal that the internal toc_models_ has been reset.
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void modelReset();
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private:
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typedef QHash<QString, TocModel *>::const_iterator const_iterator;
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typedef QHash<QString, TocModel *>::iterator iterator;
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///
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void clear();
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///
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BufferView const * bv_;
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///
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QHash<QString, TocModel *> models_;
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///
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TocTypeModel * names_;
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///
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QSortFilterProxyModel * names_sorted_;
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};
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} // namespace frontend
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} // namespace lyx
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#endif // TOCMODEL_H
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