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/****************************************************************************
*
* (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
#pragma once
#include <QObject>
#include <QGeoCoordinate>
#include <QVariantList>
#include <QPolygon>
#include "QmlObjectListModel.h"
#include "FactSystem.h"
/// The QGCMapCircle represents a circular area which can be displayed on a Map control.
class QGCMapCircle : public QObject
{
Q_OBJECT
public:
QGCMapCircle(QObject* parent = NULL);
QGCMapCircle(const QGeoCoordinate& center, double radius, QObject* parent = NULL);
QGCMapCircle(const QGCMapCircle& other, QObject* parent = NULL);
const QGCMapCircle& operator=(const QGCMapCircle& other);
Q_PROPERTY(bool dirty READ dirty WRITE setDirty NOTIFY dirtyChanged)
Q_PROPERTY(QGeoCoordinate center READ center WRITE setCenter NOTIFY centerChanged)
Q_PROPERTY(Fact* radius READ radius CONSTANT)
Q_PROPERTY(bool interactive READ interactive WRITE setInteractive NOTIFY interactiveChanged)
/// Saves the polygon to the json object.
/// @param json Json object to save to
void saveToJson(QJsonObject& json);
/// Load a circle from json
/// @param json Json object to load from
/// @param errorString Error string if return is false
/// @return true: success, false: failure (errorString set)
bool loadFromJson(const QJsonObject& json, QString& errorString);
// Property methods
bool dirty (void) const { return _dirty; }
QGeoCoordinate center (void) const { return _center; }
Fact* radius (void) { return &_radius; }
bool interactive (void) const { return _interactive; }
void setDirty (bool dirty);
void setCenter (QGeoCoordinate newCenter);
void setInteractive (bool interactive);
static const char* jsonCircleKey;
signals:
void dirtyChanged (bool dirty);
void centerChanged (QGeoCoordinate center);
void interactiveChanged (bool interactive);
private slots:
void _setDirty(void);
private:
void _init(void);
bool _dirty;
QGeoCoordinate _center;
Fact _radius;
bool _interactive;
QMap<QString, FactMetaData*> _nameToMetaDataMap;
static const char* _jsonCenterKey;
static const char* _jsonRadiusKey;
static const char* _radiusFactName;
};