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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit885735d011472bcfbb96e688d9e64553d7fe9d4b (patch)
tree734963625eba643bf11bc4870a4c407809a6400a /src/declarative/qml/qdeclarativescriptstring.cpp
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdeclarativescriptstring.h"
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeScriptStringPrivate : public QSharedData
+{
+public:
+ QDeclarativeScriptStringPrivate() : context(0), scope(0) {}
+
+ QDeclarativeContext *context;
+ QObject *scope;
+ QString script;
+};
+
+/*!
+\class QDeclarativeScriptString
+\since 4.7
+\brief The QDeclarativeScriptString class encapsulates a script and its context.
+
+QDeclarativeScriptString is used to create QObject properties that accept a script "assignment" from QML.
+
+Normally, the following QML would result in a binding being established for the \c script
+property; i.e. \c script would be assigned the value obtained from running \c {myObj.value = Math.max(myValue, 100)}
+
+\qml
+MyType {
+ script: myObj.value = Math.max(myValue, 100)
+}
+\endqml
+
+If instead the property had a type of QDeclarativeScriptString,
+the script itself -- \e {myObj.value = Math.max(myValue, 100)} -- would be passed to the \c script property
+and the class could choose how to handle it. Typically, the class will evaluate
+the script at some later time using a QDeclarativeExpression.
+
+\code
+QDeclarativeExpression expr(scriptString.context(), scriptString.script(), scriptStr.scopeObject());
+expr.value();
+\endcode
+
+\sa QDeclarativeExpression
+*/
+
+/*!
+Constructs an empty instance.
+*/
+QDeclarativeScriptString::QDeclarativeScriptString()
+: d(new QDeclarativeScriptStringPrivate)
+{
+}
+
+/*!
+Copies \a other.
+*/
+QDeclarativeScriptString::QDeclarativeScriptString(const QDeclarativeScriptString &other)
+: d(other.d)
+{
+}
+
+/*!
+\internal
+*/
+QDeclarativeScriptString::~QDeclarativeScriptString()
+{
+}
+
+/*!
+Assigns \a other to this.
+*/
+QDeclarativeScriptString &QDeclarativeScriptString::operator=(const QDeclarativeScriptString &other)
+{
+ d = other.d;
+ return *this;
+}
+
+/*!
+Returns the context for the script.
+*/
+QDeclarativeContext *QDeclarativeScriptString::context() const
+{
+ return d->context;
+}
+
+/*!
+Sets the \a context for the script.
+*/
+void QDeclarativeScriptString::setContext(QDeclarativeContext *context)
+{
+ d->context = context;
+}
+
+/*!
+Returns the scope object for the script.
+*/
+QObject *QDeclarativeScriptString::scopeObject() const
+{
+ return d->scope;
+}
+
+/*!
+Sets the scope \a object for the script.
+*/
+void QDeclarativeScriptString::setScopeObject(QObject *object)
+{
+ d->scope = object;
+}
+
+/*!
+Returns the script text.
+*/
+QString QDeclarativeScriptString::script() const
+{
+ return d->script;
+}
+
+/*!
+Sets the \a script text.
+*/
+void QDeclarativeScriptString::setScript(const QString &script)
+{
+ d->script = script;
+}
+
+QT_END_NAMESPACE
+