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Diffstat (limited to 'src/quick/util/qdeclarativelistaccessor.cpp')
-rw-r--r-- | src/quick/util/qdeclarativelistaccessor.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/quick/util/qdeclarativelistaccessor.cpp b/src/quick/util/qdeclarativelistaccessor.cpp new file mode 100644 index 0000000000..0063514e59 --- /dev/null +++ b/src/quick/util/qdeclarativelistaccessor.cpp @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativelistaccessor_p.h" + +#include <private/qdeclarativemetatype_p.h> + +#include <QtCore/qstringlist.h> +#include <QtCore/qdebug.h> + +// ### Remove me +#include <private/qdeclarativeengine_p.h> + +QT_BEGIN_NAMESPACE + +QDeclarativeListAccessor::QDeclarativeListAccessor() +: m_type(Invalid) +{ +} + +QDeclarativeListAccessor::~QDeclarativeListAccessor() +{ +} + +QVariant QDeclarativeListAccessor::list() const +{ + return d; +} + +void QDeclarativeListAccessor::setList(const QVariant &v, QDeclarativeEngine *engine) +{ + d = v; + + QDeclarativeEnginePrivate *enginePrivate = engine?QDeclarativeEnginePrivate::get(engine):0; + + if (!d.isValid()) { + m_type = Invalid; + } else if (d.userType() == QVariant::StringList) { + m_type = StringList; + } else if (d.userType() == QMetaType::QVariantList) { + m_type = VariantList; + } else if (d.canConvert(QVariant::Int)) { + m_type = Integer; + } else if ((!enginePrivate && QDeclarativeMetaType::isQObject(d.userType())) || + (enginePrivate && enginePrivate->isQObject(d.userType()))) { + QObject *data = enginePrivate?enginePrivate->toQObject(v):QDeclarativeMetaType::toQObject(v); + d = QVariant::fromValue(data); + m_type = Instance; + } else if (d.userType() == qMetaTypeId<QDeclarativeListReference>()) { + m_type = ListProperty; + } else { + m_type = Instance; + } +} + +int QDeclarativeListAccessor::count() const +{ + switch(m_type) { + case StringList: + return qvariant_cast<QStringList>(d).count(); + case VariantList: + return qvariant_cast<QVariantList>(d).count(); + case ListProperty: + return ((QDeclarativeListReference *)d.constData())->count(); + case Instance: + return 1; + case Integer: + return d.toInt(); + default: + case Invalid: + return 0; + } +} + +QVariant QDeclarativeListAccessor::at(int idx) const +{ + Q_ASSERT(idx >= 0 && idx < count()); + switch(m_type) { + case StringList: + return QVariant::fromValue(qvariant_cast<QStringList>(d).at(idx)); + case VariantList: + return qvariant_cast<QVariantList>(d).at(idx); + case ListProperty: + return QVariant::fromValue(((QDeclarativeListReference *)d.constData())->at(idx)); + case Instance: + return d; + case Integer: + return QVariant(idx); + default: + case Invalid: + return QVariant(); + } +} + +bool QDeclarativeListAccessor::isValid() const +{ + return m_type != Invalid; +} + +QT_END_NAMESPACE |