/**************************************************************************** ** ** Copyright (C) 2010 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), 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