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/*
* SPDX-FileCopyrightText: 2012 Peter Penz <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KSTANDARDITEMMODEL_H
#define KSTANDARDITEMMODEL_H
#include "dolphin_export.h"
#include "kitemviews/kitemmodelbase.h"
#include <QHash>
#include <QList>
class KStandardItem;
/**
* @brief Model counterpart for KStandardItemListView.
*
* Allows to add items to the model in an easy way by the
* class KStandardItem.
*
* @see KStandardItem
*/
class DOLPHIN_EXPORT KStandardItemModel : public KItemModelBase
{
Q_OBJECT
public:
explicit KStandardItemModel(QObject* parent = nullptr);
~KStandardItemModel() override;
/**
* 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);
int count() const override;
QHash<QByteArray, QVariant> data(int index) const override;
bool setData(int index, const QHash<QByteArray, QVariant>& values) override;
QMimeData* createMimeData(const KItemSet& indexes) const override;
int indexForKeyboardSearch(const QString& text, int startFromIndex = 0) const override;
bool supportsDropping(int index) const override;
QString roleDescription(const QByteArray& role) const override;
QList<QPair<int, QVariant> > groups() const 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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