mapviewer.qml Example File

mapviewer/mapviewer.qml

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  import QtQuick 2.5
  import QtQuick.Controls 1.4
  import QtLocation 5.6
  import QtPositioning 5.5
  import "map"
  import "menus"
  import "helper.js" as Helper

  ApplicationWindow {
      id: appWindow
      property variant map
      property variant minimap
      property variant parameters

      //defaults
      property variant fromCoordinate: QtPositioning.coordinate(59.9483, 10.7695)
      property variant toCoordinate: QtPositioning.coordinate(59.9645, 10.671)

      function createMap(provider)
      {
          var plugin

          if (parameters && parameters.length>0)
              plugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin{ name:"' + provider + '"; parameters: appWindow.parameters}', appWindow)
          else
              plugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin{ name:"' + provider + '"}', appWindow)

          if (minimap) {
              minimap.destroy()
              minimap = null
          }

          var zoomLevel = null
          var tilt = null
          var bearing = null
          var fov = null
          var center = null
          var panelExpanded = null
          if (map) {
              zoomLevel = map.zoomLevel
              tilt = map.tilt
              bearing = map.bearing
              fov = map.fieldOfView
              center = map.center
              panelExpanded = map.slidersExpanded
              map.destroy()
          }

          map = mapComponent.createObject(page);
          map.plugin = plugin;

          if (zoomLevel != null) {
              map.tilt = tilt
              map.bearing = bearing
              map.fieldOfView = fov
              map.zoomLevel = zoomLevel
              map.center = center
              map.slidersExpanded = panelExpanded
          } else {
              // Use an integer ZL to enable nearest interpolation, if possible.
              map.zoomLevel = Math.floor((map.maximumZoomLevel - map.minimumZoomLevel)/2)
              // defaulting to 45 degrees, if possible.
              map.fieldOfView = Math.min(Math.max(45.0, map.minimumFieldOfView), map.maximumFieldOfView)
          }

          map.forceActiveFocus()
      }

      function getPlugins()
      {
          var plugin = Qt.createQmlObject ('import QtLocation 5.6; Plugin {}', appWindow)
          var myArray = new Array()
          for (var i = 0; i" + qsTr("Distance:") + " " + distance)
                  break
              case "drawImage":
                  map.addGeoItem("ImageItem")
                  break
              case "drawRectangle":
                  map.addGeoItem("RectangleItem")
                  break
              case "drawCircle":
                  map.addGeoItem("CircleItem")
                  break;
              case "drawPolyline":
                  map.addGeoItem("PolylineItem")
                  break;
              case "drawPolygonMenu":
                  map.addGeoItem("PolygonItem")
                  break
              default:
                  console.log("Unsupported operation")
              }
          }
      }

      ItemPopupMenu {
          id: itemPopupMenu

          function show(type,coordinate)
          {
              stackView.pop(page)
              itemPopupMenu.type = type
              itemPopupMenu.update()
              itemPopupMenu.popup()
          }

          onItemClicked: {
              stackView.pop(page)
              switch (item) {
              case "showRouteInfo":
                  stackView.showRouteListPage()
                  break;
              case "deleteRoute":
                  map.routeModel.reset();
                  break;
              case "showPointInfo":
                  map.showGeocodeInfo()
                  break;
              case "deletePoint":
                  map.geocodeModel.reset()
                  break;
              default:
                  console.log("Unsupported operation")
              }
          }
      }

      StackView {
          id: stackView
          anchors.fill: parent
          focus: true
          initialItem: Item {
              id: page
          }

          function showMessage(title,message,backPage)
          {
              push({ item: Qt.resolvedUrl("forms/Message.qml") ,
                                 properties: {
                                     "title" : title,
                                     "message" : message,
                                     "backPage" : backPage
                                 }})
              currentItem.closeForm.connect(closeMessage)
          }

          function closeMessage(backPage)
          {
              pop(backPage)
          }

          function closeForm()
          {
              pop(page)
          }

          function showRouteListPage()
          {
              push({ item: Qt.resolvedUrl("forms/RouteList.qml") ,
                                 properties: {
                                     "routeModel" : map.routeModel
                                 }})
              currentItem.closeForm.connect(closeForm)
          }
      }

      Component {
          id: mapComponent

          MapComponent{
              width: page.width
              height: page.height
              onFollowmeChanged: mainMenu.isFollowMe = map.followme
              onSupportedMapTypesChanged: mainMenu.mapTypeMenu.createMenu(map)
              onCoordinatesCaptured: {
                  var text = "" + qsTr("Latitude:") + " " + Helper.roundNumber(latitude,4) + "
" + qsTr("Longitude:") + " " + Helper.roundNumber(longitude,4) stackView.showMessage(qsTr("Coordinates"),text); } onGeocodeFinished:{ if (map.geocodeModel.status == GeocodeModel.Ready) { if (map.geocodeModel.count == 0) { stackView.showMessage(qsTr("Geocode Error"),qsTr("Unsuccessful geocode")) } else if (map.geocodeModel.count > 1) { stackView.showMessage(qsTr("Ambiguous geocode"), map.geocodeModel.count + " " + qsTr("results found for the given address, please specify location")) } else { stackView.showMessage(qsTr("Location"), geocodeMessage(),page) } } else if (map.geocodeModel.status == GeocodeModel.Error) { stackView.showMessage(qsTr("Geocode Error"),qsTr("Unsuccessful geocode")) } } onRouteError: stackView.showMessage(qsTr("Route Error"),qsTr("Unable to find a route for the given points"),page) onShowGeocodeInfo: stackView.showMessage(qsTr("Location"),geocodeMessage(),page) onErrorChanged: { if (map.error != Map.NoError) { var title = qsTr("ProviderError") var message = map.errorString + "

" + qsTr("Try to select other provider") + "" if (map.error == Map.MissingRequiredParameterError) message += "
" + qsTr("or see") + " \'mapviewer --help\' " + qsTr("how to pass plugin parameters.") stackView.showMessage(title,message); } } onShowMainMenu: mapPopupMenu.show(coordinate) onShowMarkerMenu: markerPopupMenu.show(coordinate) onShowRouteMenu: itemPopupMenu.show("Route",coordinate) onShowPointMenu: itemPopupMenu.show("Point",coordinate) onShowRouteList: stackView.showRouteListPage() } } }