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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** 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 and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTABLEWIDGET_P_H
#define QTABLEWIDGET_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. This header file may change
// from version to version without notice, or even be removed.
//
// We mean it.
//
#include <qheaderview.h>
#include <qtablewidget.h>
#include <qabstractitemmodel.h>
#include <private/qabstractitemmodel_p.h>
#include <private/qtableview_p.h>
#include <private/qwidgetitemdata_p.h>
#ifndef QT_NO_TABLEWIDGET
QT_BEGIN_NAMESPACE
// workaround for VC++ 6.0 linker bug
typedef bool(*LessThan)(const QPair<QTableWidgetItem*,int>&,const QPair<QTableWidgetItem*,int>&);
class QTableWidgetMimeData : public QMimeData
{
Q_OBJECT
public:
QList<QTableWidgetItem*> items;
};
class QTableModelLessThan
{
public:
inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const
{ return (*i1 < *i2); }
};
class QTableModelGreaterThan
{
public:
inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const
{ return (*i2 < *i1); }
};
class QTableModel : public QAbstractTableModel
{
Q_OBJECT
public:
enum ItemFlagsExtension {
ItemIsHeaderItem = 128
}; // we need this to separate header items from other items
QTableModel(int rows, int columns, QTableWidget *parent);
~QTableModel();
bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
bool insertColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex());
bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
bool removeColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex());
void setItem(int row, int column, QTableWidgetItem *item);
QTableWidgetItem *takeItem(int row, int column);
QTableWidgetItem *item(int row, int column) const;
QTableWidgetItem *item(const QModelIndex &index) const;
void removeItem(QTableWidgetItem *item);
void setHorizontalHeaderItem(int section, QTableWidgetItem *item);
void setVerticalHeaderItem(int section, QTableWidgetItem *item);
QTableWidgetItem *takeHorizontalHeaderItem(int section);
QTableWidgetItem *takeVerticalHeaderItem(int section);
QTableWidgetItem *horizontalHeaderItem(int section);
QTableWidgetItem *verticalHeaderItem(int section);
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const
{ return QAbstractTableModel::index(row, column, parent); }
QModelIndex index(const QTableWidgetItem *item) const;
void setRowCount(int rows);
void setColumnCount(int columns);
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
bool setData(const QModelIndex &index, const QVariant &value, int role);
bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
QMap<int, QVariant> itemData(const QModelIndex &index) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role);
Qt::ItemFlags flags(const QModelIndex &index) const;
void sort(int column, Qt::SortOrder order);
static bool itemLessThan(const QPair<QTableWidgetItem*,int> &left,
const QPair<QTableWidgetItem*,int> &right);
static bool itemGreaterThan(const QPair<QTableWidgetItem*,int> &left,
const QPair<QTableWidgetItem*,int> &right);
static bool canConvertToDouble(const QVariant &value);
void ensureSorted(int column, Qt::SortOrder order, int start, int end);
QVector<QTableWidgetItem*> columnItems(int column) const;
void updateRowIndexes(QModelIndexList &indexes, int movedFromRow, int movedToRow);
static QVector<QTableWidgetItem*>::iterator sortedInsertionIterator(
const QVector<QTableWidgetItem*>::iterator &begin,
const QVector<QTableWidgetItem*>::iterator &end,
Qt::SortOrder order, QTableWidgetItem *item);
bool isValid(const QModelIndex &index) const;
inline long tableIndex(int row, int column) const
{ return (row * horizontalHeaderItems.count()) + column; }
void clear();
void clearContents();
void itemChanged(QTableWidgetItem *item);
QTableWidgetItem *createItem() const;
const QTableWidgetItem *itemPrototype() const;
void setItemPrototype(const QTableWidgetItem *item);
// dnd
QStringList mimeTypes() const;
QMimeData *mimeData(const QModelIndexList &indexes) const;
bool dropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent);
Qt::DropActions supportedDropActions() const;
QMimeData *internalMimeData() const;
private:
const QTableWidgetItem *prototype;
QVector<QTableWidgetItem*> tableItems;
QVector<QTableWidgetItem*> verticalHeaderItems;
QVector<QTableWidgetItem*> horizontalHeaderItems;
// A cache must be mutable if get-functions should have const modifiers
mutable QModelIndexList cachedIndexes;
};
class QTableWidgetPrivate : public QTableViewPrivate
{
Q_DECLARE_PUBLIC(QTableWidget)
public:
QTableWidgetPrivate() : QTableViewPrivate() {}
inline QTableModel *model() const { return qobject_cast<QTableModel*>(q_func()->model()); }
void setup();
// view signals
void _q_emitItemPressed(const QModelIndex &index);
void _q_emitItemClicked(const QModelIndex &index);
void _q_emitItemDoubleClicked(const QModelIndex &index);
void _q_emitItemActivated(const QModelIndex &index);
void _q_emitItemEntered(const QModelIndex &index);
// model signals
void _q_emitItemChanged(const QModelIndex &index);
// selection signals
void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex ¤t);
// sorting
void _q_sort();
void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
};
class QTableWidgetItemPrivate
{
public:
QTableWidgetItemPrivate(QTableWidgetItem *item) : q(item), id(-1) {}
QTableWidgetItem *q;
int id;
};
QT_END_NAMESPACE
#endif // QT_NO_TABLEWIDGET
#endif // QTABLEWIDGET_P_H
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