WimaPlanMapItems.qml

/****************************************************************************
 *
 *   (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.
 *
 ****************************************************************************/

import QtQuick          2.3
import QtLocation       5.3
import QtPositioning    5.3

import QGroundControl           1.0
import QGroundControl.Controls  1.0
import QGroundControl.FlightMap 1.0

// Adds visual items generated by wima planer to the map.
Item {
    id: _root

    property var        map                 ///< Map control to show items on
    property bool       largeMapView        ///< true: map takes up entire view, false: map is in small window
    property string     color: "green"      // Mission Items Color
    property var        missionItems
    property var        path
    property var        zOrderWP
    property var        zOrderLines

    property var    _map: map
    property var    _missionLineViewComponent

    property var zoom: map.zoomLevel
    property bool showItems:        true

//    onZoomChanged: {
//        console.log('zoomLevel')
//        console.log(zoom)
//    }

    function hideNumber() {
        if (zoom > 19.5) {
            return 1
        } else if (zoom > 19) {
            return 2
        } else if (zoom > 17) {
            return 4
        } else if (zoom > 14) {
            return 8
        } else {
            return -1
        }

    }

    Component {
        id: missionLineViewComponent

        MapPolyline {
            line.width: 3
            line.color: showItems ? _root.color : "transparent"
            path:       _root.path
            z:          _root.zOrderLines
        }
    }


    Repeater {
        model: largeMapView ? ( showItems ? missionItems : 0) : 0

        delegate: WimaMissionItemMapVisual {
            map:        _map
            color:     _root.color
            zOrder:    _root.zOrderWP
            visible:   isVisible(index) && _root.visible


            function isVisible(index) {
                var num = hideNumber()
                if (num > 0) {
                    return ((index+num) % num) == 0 ? true : false
                } else {
                    return false
                }
            }
        }
    }



    Component.onCompleted: {
        _missionLineViewComponent = missionLineViewComponent.createObject(map)
        if (_missionLineViewComponent.status === Component.Error)
            console.log(_missionLineViewComponent.errorString())
        map.addMapItem(_missionLineViewComponent)
    }

    Component.onDestruction: {
        _missionLineViewComponent.destroy()
    }


}