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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSTANDARDITEMMODEL_P_H
#define QSTANDARDITEMMODEL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "private/qabstractitemmodel_p.h"
#ifndef QT_NO_STANDARDITEMMODEL
#include <private/qwidgetitemdata_p.h>
#include <QtCore/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qstack.h>
#include <QtCore/qvariant.h>
#include <QtCore/qvector.h>
QT_BEGIN_NAMESPACE
class QStandardItemPrivate
{
Q_DECLARE_PUBLIC(QStandardItem)
public:
inline QStandardItemPrivate()
: model(0),
parent(0),
rows(0),
columns(0),
lastIndexOf(2)
{ }
virtual ~QStandardItemPrivate();
inline int childIndex(int row, int column) const {
if ((row < 0) || (column < 0)
|| (row >= rowCount()) || (column >= columnCount())) {
return -1;
}
return (row * columnCount()) + column;
}
inline int childIndex(const QStandardItem *child) {
int start = qMax(0, lastIndexOf -2);
lastIndexOf = children.indexOf(const_cast<QStandardItem*>(child), start);
if (lastIndexOf == -1 && start != 0)
lastIndexOf = children.lastIndexOf(const_cast<QStandardItem*>(child), start);
return lastIndexOf;
}
QPair<int, int> position() const;
void setChild(int row, int column, QStandardItem *item,
bool emitChanged = false);
inline int rowCount() const {
return rows;
}
inline int columnCount() const {
return columns;
}
void childDeleted(QStandardItem *child);
void setModel(QStandardItemModel *mod);
inline void setParentAndModel(
QStandardItem *par,
QStandardItemModel *mod) {
setModel(mod);
parent = par;
}
void changeFlags(bool enable, Qt::ItemFlags f);
void setItemData(const QMap<int, QVariant> &roles);
const QMap<int, QVariant> itemData() const;
bool insertRows(int row, int count, const QList<QStandardItem*> &items);
bool insertRows(int row, const QList<QStandardItem*> &items);
bool insertColumns(int column, int count, const QList<QStandardItem*> &items);
void sortChildren(int column, Qt::SortOrder order);
QStandardItemModel *model;
QStandardItem *parent;
QVector<QWidgetItemData> values;
QVector<QStandardItem*> children;
int rows;
int columns;
QStandardItem *q_ptr;
int lastIndexOf;
};
class QStandardItemModelPrivate : public QAbstractItemModelPrivate
{
Q_DECLARE_PUBLIC(QStandardItemModel)
public:
QStandardItemModelPrivate();
virtual ~QStandardItemModelPrivate();
void init();
inline QStandardItem *createItem() const {
return itemPrototype ? itemPrototype->clone() : new QStandardItem;
}
inline QStandardItem *itemFromIndex(const QModelIndex &index) const {
Q_Q(const QStandardItemModel);
if (!index.isValid())
return root;
if (index.model() != q)
return 0;
QStandardItem *parent = static_cast<QStandardItem*>(index.internalPointer());
if (parent == 0)
return 0;
return parent->child(index.row(), index.column());
}
void sort(QStandardItem *parent, int column, Qt::SortOrder order);
void itemChanged(QStandardItem *item);
void rowsAboutToBeInserted(QStandardItem *parent, int start, int end);
void columnsAboutToBeInserted(QStandardItem *parent, int start, int end);
void rowsAboutToBeRemoved(QStandardItem *parent, int start, int end);
void columnsAboutToBeRemoved(QStandardItem *parent, int start, int end);
void rowsInserted(QStandardItem *parent, int row, int count);
void columnsInserted(QStandardItem *parent, int column, int count);
void rowsRemoved(QStandardItem *parent, int row, int count);
void columnsRemoved(QStandardItem *parent, int column, int count);
void _q_emitItemChanged(const QModelIndex &topLeft,
const QModelIndex &bottomRight);
void decodeDataRecursive(QDataStream &stream, QStandardItem *item);
QVector<QStandardItem*> columnHeaderItems;
QVector<QStandardItem*> rowHeaderItems;
QStandardItem *root;
const QStandardItem *itemPrototype;
int sortRole;
};
QT_END_NAMESPACE
#endif // QT_NO_STANDARDITEMMODEL
#endif // QSTANDARDITEMMODEL_P_H
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