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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
#include "qitemmodelsurfacedataproxy_p.h"
#include "surfaceitemmodelhandler_p.h"
#include <QTimer>
QT_DATAVISUALIZATION_BEGIN_NAMESPACE
// TODO: CHECK DOCUMENTATION!
/*!
* \class QItemModelSurfaceDataProxy
* \inmodule QtDataVisualization
* \brief Proxy class for Q3DSurface data model mapping.
* \since 1.0.0
*
* QItemModelSurfaceDataProxy allows you to use QAbstractItemModel derived models as a data source
* for Q3DSurface. It maps roles defined in QItemModelSurfaceDataMapping to roles in the model.
*/
/*!
* \qmltype ItemModelSurfaceDataProxy
* \instantiates QItemModelSurfaceDataProxy
* \inherits SurfaceDataProxy
*
* This type allows you to use AbstractItemModel derived models as a data source for Surface3D.
*
* Usage example:
*
* \snippet doc_src_qmldatavisualization.cpp 9
*
* \sa SurfaceDataProxy, SurfaceDataMapping
*/
/*!
* \qmlproperty list ItemModelSurfaceDataProxy::itemModel
* The item model.
*/
/*!
* \qmlproperty list ItemModelSurfaceDataProxy::activeMapping
* The active mapping. Modifying a mapping that is set to the proxy will trigger data set
* re-resolving.
*/
/*!
* Constructs QItemModelSurfaceDataProxy.
*/
QItemModelSurfaceDataProxy::QItemModelSurfaceDataProxy() :
QSurfaceDataProxy(new QItemModelSurfaceDataProxyPrivate(this))
{
}
/*!
* Constructs QItemModelSurfaceDataProxy with \a itemModel and \a mapping. Does not take ownership
* of the model or the mapping, but does connect to them to listen for changes.
*/
QItemModelSurfaceDataProxy::QItemModelSurfaceDataProxy(const QAbstractItemModel *itemModel,
QItemModelSurfaceDataMapping *mapping) :
QSurfaceDataProxy(new QItemModelSurfaceDataProxyPrivate(this))
{
dptr()->m_itemModelHandler->setItemModel(itemModel);
dptr()->m_itemModelHandler->setActiveMapping(mapping);
}
/*!
* Destroys QItemModelSurfaceDataProxy.
*/
QItemModelSurfaceDataProxy::~QItemModelSurfaceDataProxy()
{
}
/*!
* \property QItemModelSurfaceDataProxy::itemModel
*
* Defines item model. Does not take ownership of the model, but does connect to it to listen for
* changes.
*/
void QItemModelSurfaceDataProxy::setItemModel(const QAbstractItemModel *itemModel)
{
dptr()->m_itemModelHandler->setItemModel(itemModel);
}
const QAbstractItemModel *QItemModelSurfaceDataProxy::itemModel() const
{
return dptrc()->m_itemModelHandler->itemModel();
}
/*!
* \property QItemModelSurfaceDataProxy::activeMapping
*
* Defines data mapping. Proxy takes ownership of the \a mapping.
* Modifying a mapping that is set to the proxy will trigger data set re-resolving.
*/
void QItemModelSurfaceDataProxy::setActiveMapping(QItemModelSurfaceDataMapping *mapping)
{
dptr()->m_itemModelHandler->setActiveMapping(mapping);
}
QItemModelSurfaceDataMapping *QItemModelSurfaceDataProxy::activeMapping() const
{
return static_cast<QItemModelSurfaceDataMapping *>(dptrc()->m_itemModelHandler->activeMapping());
}
/*!
* Transfers the ownership of the \a mapping to this proxy. The mapping is not taken to use yet.
* \sa setActiveMapping(), releaseMapping()
*/
void QItemModelSurfaceDataProxy::addMapping(QItemModelSurfaceDataMapping *mapping)
{
dptr()->m_itemModelHandler->addMapping(mapping);
}
/*!
* Releases the ownership of the \a mapping back to the caller. If the mapping was the currently
* active one, no mapping remains active after this call.
*/
void QItemModelSurfaceDataProxy::releaseMapping(QItemModelSurfaceDataMapping *mapping)
{
dptr()->m_itemModelHandler->releaseMapping(mapping);
}
/*!
* \return list of mappings owned by the proxy.
*/
QList<QItemModelSurfaceDataMapping *> QItemModelSurfaceDataProxy::mappings() const
{
QList<QItemModelSurfaceDataMapping *> retList;
QList<QAbstractDataMapping *> abstractList = dptrc()->m_itemModelHandler->mappings();
foreach (QAbstractDataMapping *mapping, abstractList)
retList.append(static_cast<QItemModelSurfaceDataMapping *>(mapping));
return retList;
}
/*!
* \internal
*/
QItemModelSurfaceDataProxyPrivate *QItemModelSurfaceDataProxy::dptr()
{
return static_cast<QItemModelSurfaceDataProxyPrivate *>(d_ptr.data());
}
/*!
* \internal
*/
const QItemModelSurfaceDataProxyPrivate *QItemModelSurfaceDataProxy::dptrc() const
{
return static_cast<const QItemModelSurfaceDataProxyPrivate *>(d_ptr.data());
}
// QItemModelSurfaceDataProxyPrivate
QItemModelSurfaceDataProxyPrivate::QItemModelSurfaceDataProxyPrivate(QItemModelSurfaceDataProxy *q)
: QSurfaceDataProxyPrivate(q),
m_itemModelHandler(new SurfaceItemModelHandler(q))
{
}
QItemModelSurfaceDataProxyPrivate::~QItemModelSurfaceDataProxyPrivate()
{
delete m_itemModelHandler;
}
QItemModelSurfaceDataProxy *QItemModelSurfaceDataProxyPrivate::qptr()
{
return static_cast<QItemModelSurfaceDataProxy *>(q_ptr);
}
QT_DATAVISUALIZATION_END_NAMESPACE
|
