Qt 5.6 | Qt Location | Plane Spotter (QML) | planespotter.qml Example File

Qt 5.6.3 Reference Documentation

# planespotter.qml Example File

planespotter/planespotter.qml

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      import QtQuick 2.4
      import QtQuick.Window 2.2
      import QtPositioning 5.5
      import QtLocation 5.6

      Window {
          width: 700
          height: 500
          visible: true

          property variant topLeftEurope: QtPositioning.coordinate(60.5, 0.0)
          property variant bottomRightEurope: QtPositioning.coordinate(51.0, 14.0)
          property variant viewOfEurope:
                  QtPositioning.rectangle(topLeftEurope, bottomRightEurope)

          property variant berlin: QtPositioning.coordinate(52.5175, 13.384)
          property variant oslo: QtPositioning.coordinate(59.9154, 10.7425)
          property variant london: QtPositioning.coordinate(51.5, 0.1275)

          Map {
              id: mapOfEurope
              anchors.centerIn: parent;
              anchors.fill: parent
              plugin: Plugin {
                  name: "osm"
              }

              Plane {
                  id: qmlPlane
                  pilotName: "QML"
                  coordinate: oslo2Berlin.position

                  SequentialAnimation {
                      id: qmlPlaneAnimation
                      property real rotationDirection : 0;
                      NumberAnimation {
                          target: qmlPlane; property: "bearing"; duration: 1000
                          easing.type: Easing.InOutQuad
                          to: qmlPlaneAnimation.rotationDirection
                      }
                      CoordinateAnimation {
                          id: coordinateAnimation; duration: 5000
                          target: oslo2Berlin; property: "position"
                          easing.type: Easing.InOutQuad
                      }

                      onStopped: {
                          if (coordinateAnimation.to === berlin)
                              qmlPlane.showMessage(qsTr("Hello Berlin!"))
                          else if (coordinateAnimation.to === oslo)
                              qmlPlane.showMessage(qsTr("Hello Oslo!"))
                      }
                      onStarted: {
                          if (coordinateAnimation.from === oslo)
                              qmlPlane.showMessage(qsTr("See you Oslo!"))
                          else if (coordinateAnimation.from === berlin)
                              qmlPlane.showMessage(qsTr("See you Berlin!"))
                      }
                  }

                  MouseArea {
                      anchors.fill: parent
                      onClicked: {
                          if (qmlPlaneAnimation.running) {
                              console.log("Plane still in the air.");
                              return;
                          }

                          if (oslo2Berlin.position === berlin) {
                              coordinateAnimation.from = berlin;
                              coordinateAnimation.to = oslo;
                          } else if (oslo2Berlin.position === oslo) {
                              coordinateAnimation.from = oslo;
                              coordinateAnimation.to = berlin;
                          }

                          qmlPlaneAnimation.rotationDirection = oslo2Berlin.position.azimuthTo(coordinateAnimation.to)
                          qmlPlaneAnimation.start()
                      }
                  }
                  Component.onCompleted: {
                      oslo2Berlin.position = oslo;
                  }
              }

              Plane {
                  id: cppPlane
                  pilotName: "C++"
                  coordinate: berlin2London.position

                  MouseArea {
                      anchors.fill: parent
                      onClicked: {
                          if (cppPlaneAnimation.running || berlin2London.isFlying()) {
                              console.log("Plane still in the air.");
                              return;
                          }

                          berlin2London.swapDestinations();
                          cppPlaneAnimation.rotationDirection = berlin2London.position.azimuthTo(berlin2London.to)
                          cppPlaneAnimation.start();
                          cppPlane.departed();
                      }
                  }
                  SequentialAnimation {
                      id: cppPlaneAnimation
                      property real rotationDirection : 0;
                      NumberAnimation {
                          target: cppPlane; property: "bearing"; duration: 1000
                          easing.type: Easing.InOutQuad
                          to: cppPlaneAnimation.rotationDirection
                      }
                      ScriptAction { script: berlin2London.startFlight() }
                  }

                  Component.onCompleted: {
                      berlin2London.position = berlin;
                      berlin2London.to = london;
                      berlin2London.from = berlin;
                      berlin2London.arrived.connect(arrived)
                  }

                  function arrived(){
                      if (berlin2London.to === berlin)
                          cppPlane.showMessage(qsTr("Hello Berlin!"))
                      else if (berlin2London.to === london)
                          cppPlane.showMessage(qsTr("Hello London!"))
                  }

                  function departed(){
                      if (berlin2London.from === berlin)
                          cppPlane.showMessage(qsTr("See you Berlin!"))
                      else if (berlin2London.from === london)
                          cppPlane.showMessage(qsTr("See you London!"))
                  }
              }

              visibleRegion: viewOfEurope
          }

          Rectangle {
              id: infoBox
              anchors.centerIn: parent
              color: "white"
              border.width: 1
              width: text.width * 1.3
              height: text.height * 1.3
              radius: 5
              Text {
                  id: text
                  anchors.centerIn: parent
                  text: qsTr("Hit the plane to start the flight!")
              }

              Timer {
                  interval: 5000; running: true; repeat: false;
                  onTriggered: fadeOut.start()
              }

              NumberAnimation {
                  id: fadeOut; target: infoBox;
                  property: "opacity";
                  to: 0.0;
                  duration: 200
                  easing.type: Easing.InOutQuad
              }
          }
      }