propertyinfo.cpp Example File

sensor_explorer/import/propertyinfo.cpp

  /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtSensors module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** 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 https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, you may use this file under the terms of the BSD license
  ** as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #include "sensoritem.h"
  #include <QtCore/QDebug>
  #include <QtSensors>

  /*
      \class QPropertyInfo
      \brief The QPropertyInfo type provides an easy access for reading and writing the property values.
  */

  /*
      Construct a QPropertyInfo object with parent \a parent
  */
  QPropertyInfo::QPropertyInfo(QObject* parent)
      : QObject(parent)
      , _index(0)
      , _isWriteable(false)
      , _name("")
      , _typeName("")
      , _value("")
  {}

  /*
      Construct a QPropertyInfo object with parent \a parent, property name \a name, property index \a index,
      property write access \a writeable, property type \a typeName and property value \a value
  */
  QPropertyInfo::QPropertyInfo(const QString& name, int index, bool writeable, const QString& typeName, const QString& value, QObject* parent)
      : QObject(parent)
      , _index(index)
      , _isWriteable(writeable)
      , _name(name)
      , _typeName(typeName)
      , _value(value)
  {}

  /*
      \property QPropertyInfo::name
      Returns the name of the property
  */
  QString QPropertyInfo::name()
  {
      return _name;
  }

  /*
      \property QPropertyInfo::typeName
      Returns the type of the property
  */
  QString QPropertyInfo::typeName()
  {
      return _typeName;
  }

  /*
      \property QPropertyInfo::value
      Returns the current value of the property
  */
  QString QPropertyInfo::value()
  {
      return _value;
  }

  /*
      \fn void QPropertyInfo::valueChanged()
      Signal that notifies the client if the property value was changed.
  */

  /*
      \fn QPropertyInfo::setValue(const QString& value)
      Sets the value \a value of the property
  */
  void QPropertyInfo::setValue(const QString& value)
  {
      if (value != _value){
          _value = value;
          emit valueChanged();
      }
  }

  /*
      \fn QPropertyInfo::index()
      Returns the meta-data index of the property
  */
  int QPropertyInfo::index()
  {
      return _index;
  }

  /*
      \property QPropertyInfo::isWriteable
      Returns true if the property is writeable false if property is read only
  */
  bool QPropertyInfo::isWriteable()
  {
      return _isWriteable;
  }