RouteCoordinate.qml Example File

mapviewer/forms/RouteCoordinate.qml
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 import QtQuick 2.5
 import QtPositioning 5.5

 RouteCoordinateForm {
     property variant toCoordinate
     property variant fromCoordinate
     signal showRoute(variant startCoordinate,variant endCoordinate)
     signal closeForm()

     goButton.onClicked: {
         var startCoordinate = QtPositioning.coordinate(parseFloat(fromLatitude.text),
                                                        parseFloat(fromLongitude.text));
         var endCoordinate = QtPositioning.coordinate(parseFloat(toLatitude.text),
                                                      parseFloat(toLongitude.text));
         if (startCoordinate.isValid && endCoordinate.isValid) {
            goButton.enabled = false;
            showRoute(startCoordinate,endCoordinate)
         }
     }

     clearButton.onClicked: {
         fromLatitude.text = ""
         fromLongitude.text = ""
         toLatitude.text = ""
         toLongitude.text  = ""
     }

     cancelButton.onClicked: {
         closeForm()
     }

     Component.onCompleted: {
         fromLatitude.text = "" + fromCoordinate.latitude
         fromLongitude.text = "" + fromCoordinate.longitude
         toLatitude.text = "" + toCoordinate.latitude
         toLongitude.text = "" + toCoordinate.longitude
     }
 }