diff options
author | Aaron Kennedy <aaron.kennedy@nokia.com> | 2012-03-08 14:25:50 +0100 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-13 05:13:50 +0100 |
commit | 5013d53d9400f61699f8edb1dc20f06e19a26a3d (patch) | |
tree | 6f6e9284f8843aaa89f2d38aca066170192172bb /src/qml/qml/qqmlabstractexpression.cpp | |
parent | 648c80c4c0759efb6e35fac7acc8daad5aab13e2 (diff) |
Move binding and expression classes to separate files
Change-Id: Ia9c6996a606e140f31681ecd26d93b1b0fdedf02
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>
Diffstat (limited to 'src/qml/qml/qqmlabstractexpression.cpp')
-rw-r--r-- | src/qml/qml/qqmlabstractexpression.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlabstractexpression.cpp b/src/qml/qml/qqmlabstractexpression.cpp new file mode 100644 index 0000000000..8319f7a619 --- /dev/null +++ b/src/qml/qml/qqmlabstractexpression.cpp @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml 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 "qqmlabstractexpression_p.h" + +QT_BEGIN_NAMESPACE + +QQmlAbstractExpression::QQmlAbstractExpression() +: m_prevExpression(0), m_nextExpression(0) +{ +} + +QQmlAbstractExpression::~QQmlAbstractExpression() +{ + if (m_prevExpression) { + *m_prevExpression = m_nextExpression; + if (m_nextExpression) + m_nextExpression->m_prevExpression = m_prevExpression; + } + + if (m_context.isT2()) + m_context.asT2()->_s = 0; +} + +QQmlContextData *QQmlAbstractExpression::context() const +{ + if (m_context.isT1()) return m_context.asT1(); + else return m_context.asT2()->_c; +} + +void QQmlAbstractExpression::setContext(QQmlContextData *context) +{ + if (m_prevExpression) { + *m_prevExpression = m_nextExpression; + if (m_nextExpression) + m_nextExpression->m_prevExpression = m_prevExpression; + m_prevExpression = 0; + m_nextExpression = 0; + } + + if (m_context.isT1()) m_context = context; + else m_context.asT2()->_c = context; + + if (context) { + m_nextExpression = context->expressions; + if (m_nextExpression) + m_nextExpression->m_prevExpression = &m_nextExpression; + m_prevExpression = &context->expressions; + context->expressions = this; + } +} + +void QQmlAbstractExpression::refresh() +{ +} + +bool QQmlAbstractExpression::isValid() const +{ + return context() != 0; +} + +QT_END_NAMESPACE + |