SimpleMissionItem.h 7.32 KB
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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.
 *
 ****************************************************************************/

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#ifndef SimpleMissionItem_H
#define SimpleMissionItem_H

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#include "VisualMissionItem.h"
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#include "MissionItem.h"
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#include "MissionCommandTree.h"
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/// A SimpleMissionItem is used to represent a single MissionItem to the ui.
class SimpleMissionItem : public VisualMissionItem
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{
    Q_OBJECT
    
public:
    SimpleMissionItem(Vehicle* vehicle, QObject* parent = NULL);
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    SimpleMissionItem(Vehicle* vehicle, const MissionItem& missionItem, QObject* parent = NULL);
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    SimpleMissionItem(const SimpleMissionItem& other, QObject* parent = NULL);

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    ~SimpleMissionItem();

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    const SimpleMissionItem& operator=(const SimpleMissionItem& other);
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    Q_PROPERTY(QString          category                READ category                                           NOTIFY commandChanged)
    Q_PROPERTY(MavlinkQmlSingleton::Qml_MAV_CMD command READ command                WRITE setCommand            NOTIFY commandChanged)
    Q_PROPERTY(bool             friendlyEditAllowed     READ friendlyEditAllowed                                NOTIFY friendlyEditAllowedChanged)
    Q_PROPERTY(bool             homePosition            READ homePosition                                       CONSTANT)                           ///< true: This item is being used as a home position indicator
    Q_PROPERTY(bool             rawEdit                 READ rawEdit                WRITE setRawEdit            NOTIFY rawEditChanged)              ///< true: raw item editing with all params
    Q_PROPERTY(bool             relativeAltitude        READ relativeAltitude                                   NOTIFY frameChanged)
    Q_PROPERTY(bool             showHomePosition        READ showHomePosition       WRITE setShowHomePosition   NOTIFY showHomePositionChanged)

    // These properties are used to display the editing ui
    Q_PROPERTY(QmlObjectListModel*  checkboxFacts   READ checkboxFacts  NOTIFY uiModelChanged)
    Q_PROPERTY(QmlObjectListModel*  comboboxFacts   READ comboboxFacts  NOTIFY uiModelChanged)
    Q_PROPERTY(QmlObjectListModel*  textFieldFacts  READ textFieldFacts NOTIFY uiModelChanged)

    // Property accesors
    
    QString         category            (void) const;
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    MavlinkQmlSingleton::Qml_MAV_CMD command(void) const { return (MavlinkQmlSingleton::Qml_MAV_CMD)_missionItem._commandFact.cookedValue().toInt(); }
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    bool            friendlyEditAllowed (void) const;
    bool            homePosition        (void) const    { return _homePositionSpecialCase; }
    bool            rawEdit             (void) const;
    bool            showHomePosition    (void) const    { return _showHomePosition; }


    QmlObjectListModel* textFieldFacts  (void);
    QmlObjectListModel* checkboxFacts   (void);
    QmlObjectListModel* comboboxFacts   (void);

    void setRawEdit(bool rawEdit);
    
    void setCommandByIndex(int index);

    void setCommand(MavlinkQmlSingleton::Qml_MAV_CMD command);

    void setHomePositionSpecialCase(bool homePositionSpecialCase) { _homePositionSpecialCase = homePositionSpecialCase; }
    void setShowHomePosition(bool showHomePosition);

    void setAltDifference   (double altDifference);
    void setAltPercent      (double altPercent);
    void setAzimuth         (double azimuth);
    void setDistance        (double distance);

    bool load(QTextStream &loadStream);
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    bool load(const QJsonObject& json, int sequenceNumber, QString& errorString);
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    bool relativeAltitude(void) { return _missionItem.frame() == MAV_FRAME_GLOBAL_RELATIVE_ALT; }
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    MissionItem& missionItem(void) { return _missionItem; }

    // Overrides from VisualMissionItem

    bool            dirty                   (void) const final { return _dirty; }
    bool            isSimpleItem            (void) const final { return true; }
    bool            isStandaloneCoordinate  (void) const final;
    bool            specifiesCoordinate     (void) const final;
    QString         commandDescription      (void) const final;
    QString         commandName             (void) const final;
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    QString         abbreviation            (void) const final;
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    QGeoCoordinate  coordinate              (void) const final { return _missionItem.coordinate(); }
    QGeoCoordinate  exitCoordinate          (void) const final { return coordinate(); }
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    int             sequenceNumber          (void) const final { return _missionItem.sequenceNumber(); }
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    double          flightSpeed             (void) final;
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    QString         mapVisualQML            (void) const final { return QStringLiteral("SimpleItemMapVisual.qml"); }
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    bool coordinateHasRelativeAltitude      (void) const final { return _missionItem.relativeAltitude(); }
    bool exitCoordinateHasRelativeAltitude  (void) const final { return coordinateHasRelativeAltitude(); }
    bool exitCoordinateSameAsEntry          (void) const final { return true; }

    void setDirty           (bool dirty) final;
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    void setCoordinate      (const QGeoCoordinate& coordinate) final;
    void setSequenceNumber  (int sequenceNumber) final;
    void save               (QJsonObject& saveObject) const final;
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public slots:
    void setDefaultsForCommand(void);

signals:
    void commandChanged             (int command);
    void frameChanged               (int frame);
    void friendlyEditAllowedChanged (bool friendlyEditAllowed);
    void headingDegreesChanged      (double heading);
    void rawEditChanged             (bool rawEdit);
    void uiModelChanged             (void);
    void showHomePositionChanged    (bool showHomePosition);
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private slots:
    void _setDirtyFromSignal(void);
    void _sendCommandChanged(void);
    void _sendCoordinateChanged(void);
    void _sendFrameChanged(void);
    void _sendFriendlyEditAllowedChanged(void);
    void _sendUiModelChanged(void);
    void _syncAltitudeRelativeToHomeToFrame(const QVariant& value);
    void _syncFrameToAltitudeRelativeToHome(void);
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private:
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    void _clearParamMetaData(void);
    void _connectSignals(void);
    void _setupMetaData(void);

private:
    MissionItem _missionItem;
    bool        _rawEdit;
    bool        _dirty;
    bool        _homePositionSpecialCase;   ///< true: This item is being used as a ui home position indicator
    bool        _showHomePosition;

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    MissionCommandTree* _commandTree;

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    Fact    _altitudeRelativeToHomeFact;
    Fact    _supportedCommandFact;
    
    static FactMetaData*    _altitudeMetaData;
    static FactMetaData*    _commandMetaData;
    static FactMetaData*    _defaultParamMetaData;
    static FactMetaData*    _frameMetaData;
    static FactMetaData*    _latitudeMetaData;
    static FactMetaData*    _longitudeMetaData;

    FactMetaData    _param1MetaData;
    FactMetaData    _param2MetaData;
    FactMetaData    _param3MetaData;
    FactMetaData    _param4MetaData;
    FactMetaData    _param5MetaData;
    FactMetaData    _param6MetaData;
    FactMetaData    _param7MetaData;

    bool _syncingAltitudeRelativeToHomeAndFrame;    ///< true: already in a sync signal, prevents signal loop
    bool _syncingHeadingDegreesAndParam4;           ///< true: already in a sync signal, prevents signal loop
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};

#endif