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/***************************************************************************
* Copyright (C) 2012 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef KSTANDARDITEMMODEL_H
#define KSTANDARDITEMMODEL_H
#include "libdolphin_export.h"
#include <kitemviews/kitemmodelbase.h>
#include <QHash>
#include <QList>
class KStandardItem;
/**
* @brief Model counterpart for KStandardItemView.
*
* Allows to add items to the model in an easy way by the
* class KStandardItem.
*
* @see KStandardItem
*/
class LIBDOLPHINPRIVATE_EXPORT KStandardItemModel : public KItemModelBase
{
Q_OBJECT
public:
explicit KStandardItemModel(QObject* parent = 0);
virtual ~KStandardItemModel();
/**
* Inserts the item \a item at the index \a index. If the index
* is equal to the number of items of the model, the item
* gets appended as last element. KStandardItemModel takes
* the ownership of the item. If the index is invalid, the item
* gets deleted.
*/
void insertItem(int index, KStandardItem* item);
/**
* Changes the item on the index \a index to \a item.
* KStandardItemModel takes the ownership of the item. The
* old item gets deleted. If the index is invalid, the item
* gets deleted.
*/
void changeItem(int index, KStandardItem* item);
void removeItem(int index);
KStandardItem* item(int index) const;
int index(const KStandardItem* item) const;
/**
* Convenience method for insertItem(count(), item).
*/
void appendItem(KStandardItem* item);
virtual int count() const Q_DECL_OVERRIDE;
virtual QHash<QByteArray, QVariant> data(int index) const Q_DECL_OVERRIDE;
virtual bool setData(int index, const QHash<QByteArray, QVariant>& values) Q_DECL_OVERRIDE;
virtual QMimeData* createMimeData(const KItemSet& indexes) const Q_DECL_OVERRIDE;
virtual int indexForKeyboardSearch(const QString& text, int startFromIndex = 0) const Q_DECL_OVERRIDE;
virtual bool supportsDropping(int index) const Q_DECL_OVERRIDE;
virtual QString roleDescription(const QByteArray& role) const Q_DECL_OVERRIDE;
virtual QList<QPair<int, QVariant> > groups() const Q_DECL_OVERRIDE;
virtual void clear();
protected:
/**
* Is invoked after an item has been inserted and before the signal
* itemsInserted() gets emitted.
*/
virtual void onItemInserted(int index);
/**
* Is invoked after an item or one of its roles has been changed and
* before the signal itemsChanged() gets emitted.
*/
virtual void onItemChanged(int index, const QSet<QByteArray>& changedRoles);
/**
* Is invoked after an item has been removed and before the signal
* itemsRemoved() gets emitted. The item \a removedItem has already
* been removed from the model and will get deleted after the
* execution of onItemRemoved().
*/
virtual void onItemRemoved(int index, KStandardItem* removedItem);
private:
QList<KStandardItem*> m_items;
QHash<const KStandardItem*, int> m_indexesForItems;
friend class KStandardItem;
friend class KStandardItemModelTest; // For unit testing
};
#endif
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