You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.5 KiB
69 lines
2.5 KiB
/*===================================================================== |
|
|
|
QGroundControl Open Source Ground Control Station |
|
|
|
(c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org> |
|
|
|
This file is part of the QGROUNDCONTROL project |
|
|
|
QGROUNDCONTROL is free software: you can redistribute it and/or modify |
|
it under the terms of the GNU General Public License as published by |
|
the Free Software Foundation, either version 3 of the License, or |
|
(at your option) any later version. |
|
|
|
QGROUNDCONTROL is distributed in the hope that it will be useful, |
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
GNU General Public License for more details. |
|
|
|
You should have received a copy of the GNU General Public License |
|
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>. |
|
|
|
======================================================================*/ |
|
|
|
/// @file |
|
/// @author Don Gagne <don@thegagnes.com> |
|
|
|
#ifndef FactSystem_h |
|
#define FactSystem_h |
|
|
|
#include "Fact.h" |
|
#include "FactMetaData.h" |
|
#include "UASInterface.h" |
|
#include "QGCSingleton.h" |
|
#include "FactValidator.h" |
|
|
|
#include <QMutex> |
|
|
|
/// FactSystem is a singleton which provides access to the Facts in the system |
|
/// |
|
/// The components of the FactSystem are a Fact which holds an individual value. FactMetaData holds |
|
/// additional meta data associated with a Fact such as description, min/max ranges and so forth. |
|
/// The FactValidator object is a QML validator which validates input according to the FactMetaData |
|
/// settings. Client code can then use this system to expose sets of Facts to QML code. An example |
|
/// of this is the PX4ParameterFacts onbject which is part of the PX4 AutoPilot plugin. It exposes |
|
/// the firmware parameters to QML such that you can bind QML ui elements directly to parameters. |
|
class FactSystem : public QGCSingleton |
|
{ |
|
Q_OBJECT |
|
|
|
public: |
|
/// Returns the FactSystem singleton |
|
static FactSystem* instance(void); |
|
|
|
/// Override from QGCSingleton |
|
virtual void deleteInstance(void); |
|
|
|
~FactSystem(); |
|
|
|
private: |
|
/// All access to FactSystem is through FactSystem::instance, so constructor is private |
|
FactSystem(QObject* parent = NULL, bool registerSingleton = true); |
|
|
|
static QMutex _singletonLock; ///< Mutex to make calls to instance thread-safe |
|
|
|
static FactSystem* _instance; ///< FactSystem singleton |
|
static const char* _factSystemQmlUri; ///< URI for FactSystem QML imports |
|
}; |
|
|
|
#endif
|
|
|