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/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Itemviews NG project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 or 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 GNU
** General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include "qtablemodeladaptor.h"
#include "qtablemodeladaptor_p.h"
#include "qdataroles_p.h"
#include <qdebug.h>
QT_BEGIN_NAMESPACE
QtTableModelAdaptorPrivate::QtTableModelAdaptorPrivate()
: q_ptr(0), model(0)
{
}
QtTableModelAdaptorPrivate::~QtTableModelAdaptorPrivate()
{
}
void QtTableModelAdaptorPrivate::_q_modelDestroyed()
{
model = 0;
}
void QtTableModelAdaptorPrivate::_q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
{
Q_Q(QtTableModelAdaptor);
// ### make sure that topLeft.parent() == d->root && bottomRight.parent() == d->root
int row = topLeft.row();
int column = topLeft.column();
int rowCount = bottomRight.row() - topLeft.row() + 1;
int columnCount = bottomRight.column() - topLeft.column() + 1;
emit q->cellsChanged(row, column, rowCount, columnCount, QList<QByteArray>());
}
void QtTableModelAdaptorPrivate::_q_headerDataChanged(Qt::Orientation orientation, int first, int last)
{
Q_UNUSED(orientation);
Q_UNUSED(first);
Q_UNUSED(last);
qWarning() << "_q_headerDataChanged not implemented";
}
void QtTableModelAdaptorPrivate::_q_rowsInserted(const QModelIndex &parent, int first, int last)
{
Q_Q(QtTableModelAdaptor);
if (parent != root) {
qWarning() << "_q_rowsInserted: the parent was not the same as the root index";
return;
}
int row = first;
int count = last - first + 1;
emit q->rowsInserted(row, count);
}
void QtTableModelAdaptorPrivate::_q_rowsRemoved(const QModelIndex &parent, int first, int last)
{
Q_Q(QtTableModelAdaptor);
if (parent != root) {
qWarning() << "_q_rowsRemoved: the parent was not the same as the root index";
return;
}
int row = first;
int count = last - first + 1;
emit q->rowsRemoved(row, count);
}
void QtTableModelAdaptorPrivate::_q_columnsInserted(const QModelIndex &parent, int first, int last)
{
Q_Q(QtTableModelAdaptor);
if (parent != root) {
qWarning() << "_q_columnsInserted: the parent was not the same as the root index";
return;
}
int column = first;
int count = last - first + 1;
emit q->columnsInserted(column, count);
}
void QtTableModelAdaptorPrivate::_q_columnsRemoved(const QModelIndex &parent, int first, int last)
{
Q_Q(QtTableModelAdaptor);
if (parent != root) {
qWarning() << "_q_columnsRemoved: the parent was not the same as the root index";
return;
}
int column = first;
int count = last - first + 1;
emit q->columnsRemoved(column, count);
}
void QtTableModelAdaptorPrivate::_q_layoutChanged()
{
// ### we may need to cache the number of rows and columns to handle this
qWarning() << "_q_layoutChanged not implemented";
}
void QtTableModelAdaptorPrivate::_q_modelReset()
{
// ### we may need to cache the number of rows and columns to handle this
qWarning() << "_q_modelReset not implemented";
}
/*!
\class QtTableModelAdaptor
\brief A table model adaptor
*/
QtTableModelAdaptor::QtTableModelAdaptor(QAbstractItemModel *model, QObject *parent)
: QtTableModelInterface(parent), d_ptr(new QtTableModelAdaptorPrivate)
{
d_ptr->q_ptr = this;
setModel(model);
}
QtTableModelAdaptor::QtTableModelAdaptor(QtTableModelAdaptorPrivate &dd, QObject *parent)
: QtTableModelInterface(parent), d_ptr(&dd)
{
d_ptr->q_ptr = this;
}
QtTableModelAdaptor::~QtTableModelAdaptor()
{
delete d_ptr;
}
void QtTableModelAdaptor::setModel(QAbstractItemModel *model)
{
Q_D(QtTableModelAdaptor);
if (d->model) {
QObject::disconnect(d->model, SIGNAL(destroyed()),
this, SLOT(_q_modelDestroyed()));
QObject::disconnect(d->model, SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
this, SLOT(_q_dataChanged(const QModelIndex&, const QModelIndex&)));
QObject::disconnect(d->model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
this, SLOT(_q_headerDataChanged(Qt::Orientation,int,int)));
QObject::disconnect(d->model, SIGNAL(rowsInserted(const QModelIndex&,int,int)),
this, SLOT(_q_rowsInserted(const QModelIndex&,int,int)));
QObject::disconnect(d->model, SIGNAL(rowsRemoved(const QModelIndex&,int,int)),
this, SLOT(_q_rowsRemoved(const QModelIndex&,int,int)));
QObject::disconnect(d->model, SIGNAL(columnsInserted(const QModelIndex&,int,int)),
this, SLOT(_q_columnsInserted(const QModelIndex&,int,int)));
QObject::disconnect(d->model, SIGNAL(columnsRemoved(const QModelIndex&,int,int)),
this, SLOT(_q_columnsRemoved(const QModelIndex&,int,int)));
}
d->model = model;
if (d->model) {
QObject::connect(d->model, SIGNAL(destroyed()),
this, SLOT(_q_modelDestroyed()));
QObject::connect(d->model, SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
this, SLOT(_q_dataChanged(const QModelIndex&, const QModelIndex&)));
QObject::connect(d->model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
this, SLOT(_q_headerDataChanged(Qt::Orientation,int,int)));
QObject::connect(d->model, SIGNAL(rowsInserted(const QModelIndex&,int,int)),
this, SLOT(_q_rowsInserted(const QModelIndex&,int,int)));
QObject::connect(d->model, SIGNAL(rowsRemoved(const QModelIndex&,int,int)),
this, SLOT(_q_rowsRemoved(const QModelIndex&,int,int)));
QObject::connect(d->model, SIGNAL(columnsInserted(const QModelIndex&,int,int)),
this, SLOT(_q_columnsInserted(const QModelIndex&,int,int)));
QObject::connect(d->model, SIGNAL(columnsRemoved(const QModelIndex&,int,int)),
this, SLOT(_q_columnsRemoved(const QModelIndex&,int,int)));
}
}
QAbstractItemModel *QtTableModelAdaptor::model() const
{
Q_D(const QtTableModelAdaptor);
return d->model;
}
void QtTableModelAdaptor::setRootIndex(const QModelIndex &root)
{
Q_D(QtTableModelAdaptor);
d->root = root;
// emit signals
}
QModelIndex QtTableModelAdaptor::rootIndex() const
{
Q_D(const QtTableModelAdaptor);
return d->root;
}
int QtTableModelAdaptor::rowCount() const
{
Q_D(const QtTableModelAdaptor);
return d->model ? d->model->rowCount(d->root) : 0;
}
int QtTableModelAdaptor::columnCount() const
{
Q_D(const QtTableModelAdaptor);
return d->model ? d->model->columnCount(d->root) : 0;
}
QHash<QByteArray,QVariant> QtTableModelAdaptor::data(int row, int column, const QList<QByteArray> &roles) const
{
Q_D(const QtTableModelAdaptor);
QHash<QByteArray,QVariant> values;
if (d->model) {
const QModelIndex idx = d->model->index(row, column, d->root);
for (int i = 0; i < roles.count(); ++i) {
int role = QtDataRoles::value(roles.at(i));
values.insert(roles.at(i), d->model->data(idx, role));
}
}
return values;
}
bool QtTableModelAdaptor::setData(int row, int column, const QHash<QByteArray,QVariant> &values)
{
Q_D(QtTableModelAdaptor);
QHash<QByteArray,QVariant>::const_iterator it = values.begin();
for (; it != values.end(); ++it) {
int role = QtDataRoles::value(it.key());
if (!d->model->setData(d->model->index(row, column, d->root), it.value(), role))
return false;
}
return true;
}
QT_END_NAMESPACE
#include "moc_qtablemodeladaptor.cpp"
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