GeoAreaVisualLoader.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 QtQuick.Controls 1.2
import QtLocation       5.3
import QtPositioning    5.3

import QGroundControl.ScreenTools   1.0
import QGroundControl.Palette       1.0
import QGroundControl.Controls      1.0
import QGroundControl               1.0


Item {
    id: _root

    property var map: undefined        ///< Map control to place item in
    property var geoArea: undefined    ///< GeoArea derived class

    signal clicked(int sequenceNumber)

    property var _visualItem: undefined

    Component.onCompleted: {
        console.assert(map !== undefined, "please set the map property")
        console.assert(geoArea !== undefined, "please set the geoArea property")

        if (_root.geoArea.mapVisualQML && !_visualItem) {
            var component = Qt.createComponent(_root.geoArea.mapVisualQML)
            if (component.status === Component.Error) {
                console.log("Error loading Qml: ", _root.geoArea.mapVisualQML, component.errorString())
            } else {
                _root._visualItem = component.createObject(_root.map, { map: _root.map, geoArea: _root.geoArea})
                _root._visualItem.clicked.connect(_root.clicked)
            }
        }
    }

    Component.onDestruction: {
        if (_visualItem) {
            _visualItem.destroy()
        }
    }
}