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authorWarwick Allison <warwick.allison@nokia.com>2010-02-24 02:42:00 (GMT)
committerWarwick Allison <warwick.allison@nokia.com>2010-02-24 02:42:00 (GMT)
commit7c76abb0dc4204043bec9b6fa315f9753a7986ae (patch)
treecee303672cfd138790645e731f2d69472564d4b7 /src/declarative/util/qmlpropertymap.cpp
parent4066e60e859853cfe3240245ba05271e79839506 (diff)
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Change class prefix to from QmlXXX to QDeclarativeXXX, QmlGraphicsXXX to QDeclarativeXXX.
Diffstat (limited to 'src/declarative/util/qmlpropertymap.cpp')
-rw-r--r--src/declarative/util/qmlpropertymap.cpp279
1 files changed, 0 insertions, 279 deletions
diff --git a/src/declarative/util/qmlpropertymap.cpp b/src/declarative/util/qmlpropertymap.cpp
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--- a/src/declarative/util/qmlpropertymap.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 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 "qmlpropertymap.h"
-
-#include "qmlopenmetaobject_p.h"
-
-#include <QDebug>
-
-QT_BEGIN_NAMESPACE
-
-//QmlPropertyMapMetaObject lets us listen for changes coming from QML
-//so we can emit the changed signal.
-class QmlPropertyMapMetaObject : public QmlOpenMetaObject
-{
-public:
- QmlPropertyMapMetaObject(QmlPropertyMap *obj, QmlPropertyMapPrivate *objPriv);
-
-protected:
- virtual void propertyWrite(int index);
-
-private:
- QmlPropertyMap *map;
- QmlPropertyMapPrivate *priv;
-};
-
-class QmlPropertyMapPrivate : public QObjectPrivate
-{
- Q_DECLARE_PUBLIC(QmlPropertyMap)
-public:
- QmlPropertyMapMetaObject *mo;
- QStringList keys;
- void emitChanged(const QString &key);
-};
-
-void QmlPropertyMapPrivate::emitChanged(const QString &key)
-{
- Q_Q(QmlPropertyMap);
- emit q->valueChanged(key);
-}
-
-QmlPropertyMapMetaObject::QmlPropertyMapMetaObject(QmlPropertyMap *obj, QmlPropertyMapPrivate *objPriv) : QmlOpenMetaObject(obj)
-{
- map = obj;
- priv = objPriv;
-}
-
-void QmlPropertyMapMetaObject::propertyWrite(int index)
-{
- priv->emitChanged(QString::fromUtf8(name(index)));
-}
-
-/*!
- \class QmlPropertyMap
- \since 4.7
- \brief The QmlPropertyMap class allows you to set key-value pairs that can be used in bindings.
-
- QmlPropertyMap provides a convenient way to expose domain data to the UI layer.
- The following example shows how you might declare data in C++ and then
- access it in QML.
-
- Setup in C++:
- \code
- //create our data
- QmlPropertyMap ownerData;
- ownerData.insert("name", QVariant(QString("John Smith")));
- ownerData.insert("phone", QVariant(QString("555-5555")));
-
- //expose it to the UI layer
- QmlContext *ctxt = view->bindContext();
- ctxt->setProperty("owner", &data);
- \endcode
-
- Then, in QML:
- \code
- Text { text: owner.name }
- Text { text: owner.phone }
- \endcode
-
- The binding is dynamic - whenever a key's value is updated, anything bound to that
- key will be updated as well.
-
- To detect value changes made in the UI layer you can connect to the valueChanged() signal.
- However, note that valueChanged() is \bold NOT emitted when changes are made by calling insert()
- or clear() - it is only emitted when a value is updated from QML.
-
- \note It is not possible to remove keys from the map; once a key has been added, you can only
- modify or clear its associated value.
-*/
-
-/*!
- Constructs a bindable map with parent object \a parent.
-*/
-QmlPropertyMap::QmlPropertyMap(QObject *parent)
-: QObject(*(new QmlPropertyMapPrivate), parent)
-{
- Q_D(QmlPropertyMap);
- d->mo = new QmlPropertyMapMetaObject(this, d);
-}
-
-/*!
- Destroys the bindable map.
-*/
-QmlPropertyMap::~QmlPropertyMap()
-{
-}
-
-/*!
- Clears the value (if any) associated with \a key.
-*/
-void QmlPropertyMap::clear(const QString &key)
-{
- Q_D(QmlPropertyMap);
- d->mo->setValue(key.toUtf8(), QVariant());
-}
-
-/*!
- Returns the value associated with \a key.
-
- If no value has been set for this key (or if the value has been cleared),
- an invalid QVariant is returned.
-*/
-QVariant QmlPropertyMap::value(const QString &key) const
-{
- Q_D(const QmlPropertyMap);
- return d->mo->value(key.toUtf8());
-}
-
-/*!
- Sets the value associated with \a key to \a value.
-
- If the key doesn't exist, it is automatically created.
-*/
-void QmlPropertyMap::insert(const QString &key, const QVariant &value)
-{
- Q_D(QmlPropertyMap);
- if (!d->keys.contains(key))
- d->keys.append(key);
- d->mo->setValue(key.toUtf8(), value);
-}
-
-/*!
- Returns the list of keys.
-
- Keys that have been cleared will still appear in this list, even though their
- associated values are invalid QVariants.
-*/
-QStringList QmlPropertyMap::keys() const
-{
- Q_D(const QmlPropertyMap);
- return d->keys;
-}
-
-/*!
- \overload
-
- Same as size().
-*/
-int QmlPropertyMap::count() const
-{
- Q_D(const QmlPropertyMap);
- return d->keys.count();
-}
-
-/*!
- Returns the number of keys in the map.
-
- \sa isEmpty(), count()
-*/
-int QmlPropertyMap::size() const
-{
- Q_D(const QmlPropertyMap);
- return d->keys.size();
-}
-
-/*!
- Returns true if the map contains no keys; otherwise returns
- false.
-
- \sa size()
-*/
-bool QmlPropertyMap::isEmpty() const
-{
- Q_D(const QmlPropertyMap);
- return d->keys.isEmpty();
-}
-
-/*!
- Returns true if the map contains \a key.
-
- \sa size()
-*/
-bool QmlPropertyMap::contains(const QString &key) const
-{
- Q_D(const QmlPropertyMap);
- return d->keys.contains(key);
-}
-
-/*!
- Returns the value associated with the key \a key as a modifiable
- reference.
-
- If the map contains no item with key \a key, the function inserts
- an invalid QVariant into the map with key \a key, and
- returns a reference to it.
-
- \sa insert(), value()
-*/
-QVariant &QmlPropertyMap::operator[](const QString &key)
-{
- //### optimize
- Q_D(QmlPropertyMap);
- QByteArray utf8key = key.toUtf8();
- if (!d->keys.contains(key)) {
- d->keys.append(key);
- d->mo->setValue(utf8key, QVariant()); //force creation -- needed below
- }
-
- return (*(d->mo))[utf8key];
-}
-
-/*!
- \overload
-
- Same as value().
-*/
-const QVariant QmlPropertyMap::operator[](const QString &key) const
-{
- return value(key);
-}
-
-/*!
- \fn void QmlPropertyMap::valueChanged(const QString &key)
- This signal is emitted whenever one of the values in the map is changed. \a key
- is the key corresponding to the value that was changed.
-
- \note valueChanged() is \bold NOT emitted when changes are made by calling insert()
- or clear() - it is only emitted when a value is updated from QML.
-*/
-
-QT_END_NAMESPACE