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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdeclarativepluginparameter_p.h"
QT_BEGIN_NAMESPACE
/*!
\qmltype PluginParameter
\inqmlmodule QtPositioning
\ingroup qml-QtPositioning5-common
\since QtPositioning 5.14
\brief The PluginParameter type describes a parameter for a
\omit
plugin, either geoservice \l Plugin, or
\endomit
position plugin.
The PluginParameter object is used to provide a parameter of some kind
to a plugin. Typically, these parameters contain details like an application
token for access to a service, or a proxy server to use for network access,
or the serial port to which a serial GPS receiver is connected.
To set such a parameter, declare a PluginParameter inside an element that
accepts plugin parameters as configuration objects, such as a
\omit
\l Plugin object, or a
\endomit
\l PositionSource object, and set values for its \l{name} and \l{value}
properties. A list of valid parameter names for each plugin is available
from the
\omit
\l {Qt Location#Plugin References and Parameters}{plugin reference pages}
for geoservice plugins, and
\endomit
\l {Qt Positioning plugins#Default plugins}{default plugins page} for
position plugins.
\section2 Example Usage
The following example shows the instantiation of the
\l {Qt Positioning NMEA plugin}{NMEA} plugin with the \e nmea.source
parameter that specifies the data source.
\code
PositionSource {
name: "nmea"
PluginParameter { name: "nmea.source"; value: "serial:/dev/ttyACM0" }
}
\endcode
*/
/*!
\qmlproperty string PluginParameter::name
This property holds the name of the plugin parameter as a single formatted string.
This property is a write-once property.
*/
/*!
\qmlproperty QVariant PluginParameter::value
This property holds the value of the plugin parameter which support different types of values (variant).
This property is a write-once property.
*/
QDeclarativePluginParameter::QDeclarativePluginParameter(QObject *parent)
: QObject(parent) {}
QDeclarativePluginParameter::~QDeclarativePluginParameter() {}
void QDeclarativePluginParameter::setName(const QString &name)
{
if (!name_.isEmpty() || name.isEmpty())
return;
name_ = name;
emit nameChanged(name_);
if (value_.isValid())
emit initialized();
}
QString QDeclarativePluginParameter::name() const
{
return name_;
}
void QDeclarativePluginParameter::setValue(const QVariant &value)
{
if (value_.isValid() || !value.isValid() || value.isNull())
return;
value_ = value;
emit valueChanged(value_);
if (!name_.isEmpty())
emit initialized();
}
QVariant QDeclarativePluginParameter::value() const
{
return value_;
}
bool QDeclarativePluginParameter::isInitialized() const
{
return !name_.isEmpty() && value_.isValid();
}
QT_END_NAMESPACE
|
