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;
                  }
              }
          }
      }
  }