/**************************************************************************** | |
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** This file is part of the QtGui module of the Qt Toolkit. | |
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** GNU Lesser General Public License Usage | |
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** rights. These rights are described in the Nokia Qt LGPL Exception | |
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** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
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** file. Please review the following information to ensure the GNU General | |
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****************************************************************************/ | |
#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), | |
q_ptr(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.data(); | |
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; | |
QScopedPointer<QStandardItem> root; | |
const QStandardItem *itemPrototype; | |
int sortRole; | |
}; | |
QT_END_NAMESPACE | |
#endif // QT_NO_STANDARDITEMMODEL | |
#endif // QSTANDARDITEMMODEL_P_H |