RouteAddress.qml Example File

mapviewer/forms/RouteAddress.qml
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 import QtQuick 2.5
 import QtLocation 5.6
 import QtPositioning 5.5

 RouteAddressForm {
     property alias plugin : tempGeocodeModel.plugin;
     property variant fromAddress;
     property variant toAddress;
     signal showMessage(string topic, string message)
     signal showRoute(variant startCoordinate,variant endCoordinate)
     signal closeForm()

     goButton.onClicked: {
         tempGeocodeModel.reset()
         fromAddress.country =  fromCountry.text
         fromAddress.street = fromStreet.text
         fromAddress.city =  fromCity.text
         toAddress.country = toCountry.text
         toAddress.street = toStreet.text
         toAddress.city = toCity.text
         tempGeocodeModel.startCoordinate = QtPositioning.coordinate()
         tempGeocodeModel.endCoordinate = QtPositioning.coordinate()
         tempGeocodeModel.query = fromAddress
         tempGeocodeModel.update();
         goButton.enabled = false;
     }

     clearButton.onClicked: {
         fromStreet.text = ""
         fromCity.text = ""
         fromCountry.text = ""
         toStreet.text = ""
         toCity.text = ""
         toCountry.text = ""
     }

     cancelButton.onClicked: {
         closeForm()
     }

     Component.onCompleted: {
         fromStreet.text  = fromAddress.street
         fromCity.text =  fromAddress.city
         fromCountry.text = fromAddress.country
         toStreet.text = toAddress.street
         toCity.text = toAddress.city
         toCountry.text = toAddress.country
     }

     GeocodeModel {
         id: tempGeocodeModel

         property int success: 0
         property variant startCoordinate
         property variant endCoordinate

         onCountChanged: {
             if (success == 1 && count == 1) {
                 query = toAddress
                 update();
             }
         }

         onStatusChanged: {
             if ((status == GeocodeModel.Ready) && (count == 1)) {
                 success++
                 if (success == 1) {
                     startCoordinate.latitude = get(0).coordinate.latitude
                     startCoordinate.longitude = get(0).coordinate.longitude
                 }
                 if (success == 2) {
                     endCoordinate.latitude = get(0).coordinate.latitude
                     endCoordinate.longitude = get(0).coordinate.longitude
                     success = 0
                     if (startCoordinate.isValid && endCoordinate.isValid)
                         showRoute(startCoordinate,endCoordinate)
                     else
                         goButton.enabled = true
                 }
             } else if ((status == GeocodeModel.Ready) || (status == GeocodeModel.Error)) {
                 var st = (success == 0 ) ? "start" : "end"
                 success = 0
                 if ((status == GeocodeModel.Ready) && (count == 0 )) {
                     showMessage(qsTr("Geocode Error"),qsTr("Unsuccessful geocode"));
                     goButton.enabled = true;
                 }
                 else if (status == GeocodeModel.Error) {
                     showMessage(qsTr("Geocode Error"),
                                 qsTr("Unable to find location for the") + " " +
                                 st + " " +qsTr("point"))
                     goButton.enabled = true;
                 }
                 else if ((status == GeocodeModel.Ready) && (count > 1 )) {
                     showMessage(qsTr("Ambiguous geocode"),
                                 count + " " + qsTr("results found for the") +
                                 " " + st + " " +qsTr("point, please specify location"))
                     goButton.enabled = true;
                 }
             }
         }
     }
 }