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104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/*
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Copyright (C) 2010 Klarälvdalens Datakonsult AB,
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a KDAB Group company, info@kdab.net,
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author Stephen Kelly <stephen@kdab.com>
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#ifndef AKONADI_ENTITYORDERPROXYMODEL_H
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#define AKONADI_ENTITYORDERPROXYMODEL_H
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#include <QSortFilterProxyModel>
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#include "akonadi_export.h"
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class KConfigGroup;
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namespace Akonadi
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{
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class EntityOrderProxyModelPrivate;
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/**
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* @short A model that keeps the order of entities persistent.
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*
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* This proxy maintains the order of entities in a tree. The user can re-order
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* items and the new order will be persisted restored on reset or restart.
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*
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* @author Stephen Kelly <stephen@kdab.com>
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* @since 4.6
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*/
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class AKONADI_EXPORT EntityOrderProxyModel : 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 entity order proxy model.
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*
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* @param parent The parent object.
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*/
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EntityOrderProxyModel(QObject *parent = 0);
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/**
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* Destroys the entity order proxy model.
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*/
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virtual ~EntityOrderProxyModel();
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/**
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* Sets the config @p group that will be used for storing the order.
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*/
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void setOrderConfig(KConfigGroup &group);
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/**
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* Saves the order.
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*/
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void saveOrder();
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void clearOrder(const QModelIndex &index);
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void clearTreeOrder();
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/**
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* @reimp
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*/
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virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
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/**
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* @reimp
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*/
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virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
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/**
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* @reimp
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*/
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virtual QModelIndexList match(const QModelIndex &start, int role, const QVariant &value, int hits = 1,
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Qt::MatchFlags flags = Qt::MatchFlags(Qt::MatchStartsWith | Qt::MatchWrap)) const;
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protected:
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EntityOrderProxyModelPrivate *const d_ptr;
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virtual QString parentConfigString(const QModelIndex &index) const;
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virtual QString configString(const QModelIndex &index) const;
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private:
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//@cond PRIVATE
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Q_DECLARE_PRIVATE(EntityOrderProxyModel)
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//@endcond
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};
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}
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#endif
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