TakeoffItemMapVisual.qml

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import QtQuick
import QtQuick.Controls
import QtLocation
import QtPositioning
 
import QGroundControl
import QGroundControl.Controls
import QGroundControl.FlightMap
 
/// Simple Mission Item visuals
Item {
    id: _root
 
    property var map        ///< Map control to place item in
    property var vehicle    ///< Vehicle associated with this item
    property bool interactive: true
    property MissionItemIndicatorGroup indicatorGroup
 
    property var    _missionItem:           object
    property var    _takeoffIndicatorItem
    property var    _launchIndicatorItem
 
    signal clicked(int sequenceNumber)
 
    function addCommonVisuals() {
        if (_objMgrCommonVisuals.empty) {
            _takeoffIndicatorItem = _objMgrCommonVisuals.createObject(takeoffIndicatorComponent, map, true /* addToMap */)
            _launchIndicatorItem = _objMgrCommonVisuals.createObject(launchIndicatorComponent, map, true /* addToMap */)
        }
    }
 
    function addEditingVisuals() {
        if (_objMgrEditingVisuals.empty) {
            _objMgrEditingVisuals.createObjects([ takeoffDragComponent, launchDragComponent ], map, false /* addToMap */)
        }
        if (!_missionItem.launchCoordinate.isValid) {
            _objMgrMouseClick.createObject(mouseAreaClickComponent, map, false /* addToMap */)
        }
    }
 
    QGCDynamicObjectManager { id: _objMgrCommonVisuals }
    QGCDynamicObjectManager { id: _objMgrEditingVisuals }
    QGCDynamicObjectManager { id: _objMgrMouseClick }
 
    Component.onCompleted: {
        addCommonVisuals()
        if (_missionItem.isCurrentItem && map.planView) {
            addEditingVisuals()
        }
    }
 
    Connections {
        target: _missionItem
 
        function onIsCurrentItemChanged(isCurrentItem) {
            if (isCurrentItem && map.planView) {
                addEditingVisuals()
            } else {
                _objMgrEditingVisuals.destroyObjects()
                _objMgrMouseClick.destroyObjects()
            }
        }
    }
 
    Component {
        id: takeoffDragComponent
 
        MissionItemIndicatorDrag {
            mapControl:     _root.map
            itemIndicator:  _takeoffIndicatorItem
            itemCoordinate: _missionItem.specifiesCoordinate ? _missionItem.coordinate : _missionItem.launchCoordinate
            visible:        _root.interactive
 
            onItemCoordinateChanged: {
                if (_missionItem.specifiesCoordinate) {
                    _missionItem.coordinate = itemCoordinate
                } else {
                    _missionItem.launchCoordinate = itemCoordinate
                }
            }
        }
    }
 
    Component {
        id: launchDragComponent
 
        MissionItemIndicatorDrag {
            mapControl:     _root.map
            itemIndicator:  _launchIndicatorItem
            itemCoordinate: _missionItem.launchCoordinate
            visible:        !_missionItem.launchTakeoffAtSameLocation && _root.interactive
 
            onItemCoordinateChanged: _missionItem.launchCoordinate = itemCoordinate
        }
    }
 
    Component {
        id: takeoffIndicatorComponent
 
        MissionItemIndicator {
            coordinate:     _missionItem.specifiesCoordinate ? _missionItem.coordinate : _missionItem.launchCoordinate
            indicatorGroup: _root.indicatorGroup
            interactive:    _root.interactive
            missionItem:    _missionItem
            sequenceNumber: _missionItem.sequenceNumber
            onClicked:      _root.clicked(_missionItem.sequenceNumber)
            opacity:        _root.opacity
        }
    }
 
    Component {
        id: launchIndicatorComponent
 
        MapQuickItem {
            coordinate:     _missionItem.launchCoordinate
            anchorPoint.x:  sourceItem.anchorPointX
            anchorPoint.y:  sourceItem.anchorPointY
            visible:        !_missionItem.launchTakeoffAtSameLocation && _root.interactive
 
            sourceItem:
                MissionItemIndexLabel {
                    checked:            _missionItem.isCurrentItem
                    label:              qsTr("Home")
                    highlightSelected:  true
                    onClicked:          _root.clicked(_missionItem.sequenceNumber)
                    visible:            _root.interactive
                }
        }
    }
 
    // Mouse area to capture launch location click
    Component {
        id:  mouseAreaClickComponent
 
        MouseArea {
            anchors.fill:   map
            z:              QGroundControl.zOrderMapItems + 1   // Over item indicators
            visible:        !_missionItem.launchCoordinate.isValid && _root.interactive
 
            readonly property int   _decimalPlaces: 8
 
            onClicked: (mouse) => {
                var coordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y), false /* clipToViewPort */)
                coordinate.latitude = coordinate.latitude.toFixed(_decimalPlaces)
                coordinate.longitude = coordinate.longitude.toFixed(_decimalPlaces)
                coordinate.altitude = coordinate.altitude.toFixed(_decimalPlaces)
                _missionItem.launchCoordinate = coordinate
 
                // We drop out of wizard mode after launch position is set if:
                //  - Takeoff location is same as launch position so nothing left to do
                //  - Not a fixed wing. Fixed wing require warning about tweaking climb out position
                if (_missionItem.launchTakeoffAtSameLocation || !vehicle.fixedWing) {
                    _missionItem.wizardMode = false
                }
                _objMgrMouseClick.destroyObjects()
            }
        }
    }
}