Exemple #1
0
  /** initialize map widget using gwt-openlayers */
  void initMapGwtOl() {

    MapOptions defaultMapOptions = new MapOptions();
    defaultMapOptions.setNumZoomLevels(16); //

    // defaultMapOptions.setProjection("EPSG:4326");
    defaultMapOptions.setMaxExtent(new Bounds(-180, -90, 180, 90));
    defaultMapOptions.setRestrictedExtent(new Bounds(-180, -90, 180, 90));
    defaultMapOptions.setUnits("degrees");
    mapWidget = new MapWidget("500px", "500px", defaultMapOptions);
    /*GoogleV3Options gNormalOptions = new GoogleV3Options();
    gNormalOptions.setIsBaseLayer(true);
    gNormalOptions.setType(GoogleV3MapType.G_NORMAL_MAP);
    GoogleV3 gNormal = new GoogleV3("Google Normal", gNormalOptions);*/

    // Create a WMS layer as base layer
    WMSParams wmsParams = new WMSParams();
    wmsParams.setFormat("image/png");
    wmsParams.setLayers("basic");
    wmsParams.setStyles("");

    WMSOptions wmsLayerParams = new WMSOptions();
    wmsLayerParams.setUntiled();
    wmsLayerParams.setTransitionEffect(TransitionEffect.RESIZE);

    String wmsUrl = EUOSMEGWT.wmsEndpoint;
    WMS wmsLayer = new WMS("Basic WMS", wmsUrl, wmsParams, wmsLayerParams);

    // Add the WMS to the map
    final Map map = mapWidget.getMap();
    // map.addLayer(gNormal);
    map.addLayer(wmsLayer);

    /*OSM osm_1 = OSM.Mapnik("Mapnik");
    OSM osm_2 = OSM.CycleMap("CycleMap");
    osm_1.setIsBaseLayer(true);
    osm_2.setIsBaseLayer(true);
    map.addLayer(osm_1);
    map.addLayer(osm_2);*/

    // Lets add some default controls to the map
    map.addControl(
        new LayerSwitcher()); // + sign in the upperright corner to display the layer switcher
    map.addControl(new ScaleLine()); // Display the scaleline
    map.addControl(new MousePosition());
    // Center and zoom to a location
    LonLat lonLat = new LonLat(6.95, 50.94);
    lonLat.transform(
        DEFAULT_PROJECTION.getProjectionCode(),
        map.getProjection()); // transform lonlat to OSM coordinate system
    map.setCenter(lonLat, 3);

    /*map.addMapClickListener(new MapClickListener() {

        public void onClick(MapClickListener.MapClickEvent mapClickEvent) {
            LonLat lonLat = mapClickEvent.getLonLat();

            lonLat.transform(map.getProjection(), DEFAULT_PROJECTION.getProjectionCode()); //transform lonlat to more readable format

            Window.alert("LonLat = (" + lonLat.lon() + " ; " + lonLat.lat() + ")");
        }

    });*/

    FeatureAddedListener listener =
        new FeatureAddedListener() {
          public void onFeatureAdded(VectorFeature vf) {
            Polygon aoi = Polygon.narrowToPolygon(vf.getGeometry().getJSObject());
            LinearRing[] rings = aoi.getComponents();
            if (rings != null) {
              rings[0].getComponents();
            }
            Geometry geo = vf.getGeometry();

            // Window.alert("Feature of class " + geo.getClassName() +  " added with bounds " +
            // geo.getBounds().toString());
            double north = Math.floor(geo.getBounds().getUpperRightY() * 100000) / 100000;
            double east = Math.floor(geo.getBounds().getUpperRightX() * 100000) / 100000;
            double south = Math.floor(geo.getBounds().getLowerLeftY() * 100000) / 100000;
            double west = Math.floor(geo.getBounds().getLowerLeftX() * 100000) / 100000;
            geoBoundsObj.newTextBoxNorth.setValue("" + north);
            geoBoundsObj.newTextBoxEast.setValue("" + east);
            geoBoundsObj.newTextBoxSouth.setValue("" + south);
            geoBoundsObj.newTextBoxWest.setValue("" + west);
            map.zoomToExtent(geo.getBounds());
          }
        };
    Vector boxLayer = new Vector("Box Layer");
    DrawFeatureOptions drawRegularPolygonFeatureOptions = new DrawFeatureOptions();
    drawRegularPolygonFeatureOptions.onFeatureAdded(listener);
    RegularPolygonHandlerOptions regularPolygonHandlerOptions = new RegularPolygonHandlerOptions();
    regularPolygonHandlerOptions.setSides(4);
    regularPolygonHandlerOptions.setIrregular(true);
    regularPolygonHandlerOptions.setPersist(true);
    drawRegularPolygonFeatureOptions.setHandlerOptions(regularPolygonHandlerOptions);
    final DrawFeature drawRegularPolygon =
        new DrawFeature(boxLayer, new RegularPolygonHandler(), drawRegularPolygonFeatureOptions);
    map.addControl(drawRegularPolygon);
    drawRegularPolygon.activate();
  }
  @Override
  public void buildPanel() {

    // create some MapOptions
    MapOptions defaultMapOptions = new MapOptions();
    defaultMapOptions.setNumZoomLevels(16);

    // create a MapWidget
    MapWidget mapWidget = new MapWidget("500px", "500px", defaultMapOptions);

    contentPanel.add(new HTML("<p>This example shows the use of the click handler.</p>"));
    contentPanel.add(
        new InfoPanel(
            "<p>Don't forget to add the following line to your HTML if you want to use Google V3. :</p>"
                + "<p><b>&lt;script src=\"http://maps.google.com/maps/api/js?v=3&amp;sensor=false\"&gt;&lt;/script&gt;</b></p>"));

    HorizontalPanel horizontalPanel = new HorizontalPanel();
    horizontalPanel.setSize("800px", "500px");
    outputPanel.setSize("300px", "475px");
    horizontalPanel.add(mapWidget);

    VerticalPanel eventConsole = new VerticalPanel();

    listBox.setSize("300px", "25px");

    eventConsole.add(listBox);
    eventConsole.add(this.outputPanel);

    horizontalPanel.add(eventConsole);

    contentPanel.add(horizontalPanel);

    // create some Google Layers
    GoogleV3Options gNormalOptions = new GoogleV3Options();
    gNormalOptions.setIsBaseLayer(true);
    gNormalOptions.setType(GoogleV3MapType.G_NORMAL_MAP);
    GoogleV3 gNormal = new GoogleV3("Google Normal", gNormalOptions);

    // and add them to the map
    final Map map = mapWidget.getMap();
    map.addLayer(gNormal);

    // lets add some default controls to the map
    map.addControl(
        new LayerSwitcher()); // + sign in the upperright corner to display the layer switcher
    map.addControl(new OverviewMap()); // + sign in the lowerright to display the overviewmap
    map.addControl(new ScaleLine()); // Display the scaleline

    final String singleKey = "single";
    ClickControl singleClickControl =
        new ClickControl(this.createClickHandlerOptions(true, false, false, false, 0, singleKey));
    map.addControl(singleClickControl);
    this.clickControls.put(singleKey, singleClickControl);
    listBox.addItem("single only", singleKey);

    final String doubleKey = "double";
    ClickControl doubleClickControl =
        new ClickControl(this.createClickHandlerOptions(false, true, false, false, 0, doubleKey));
    map.addControl(doubleClickControl);
    this.clickControls.put(doubleKey, doubleClickControl);
    this.listBox.addItem("double only", doubleKey);

    final String bothKey = "both";
    ClickControl bothClickControl =
        new ClickControl(this.createClickHandlerOptions(true, true, false, false, 0, bothKey));
    map.addControl(bothClickControl);
    this.clickControls.put(bothKey, bothClickControl);
    this.listBox.addItem("both", bothKey);

    final int tolerance = 200;
    final String dragKey = "drag";
    ClickControl dragClickControl =
        new ClickControl(
            this.createClickHandlerOptions(true, false, false, false, tolerance, dragKey));
    map.addControl(dragClickControl);
    this.clickControls.put(dragKey, dragClickControl);
    this.listBox.addItem("drag ( tolerance: " + tolerance + " )", dragKey);

    final String singleStopKey = "singlestop";
    ClickControl singleStopClickControl =
        new ClickControl(
            this.createClickHandlerOptions(true, false, true, false, 0, singleStopKey));
    map.addControl(singleStopClickControl);
    this.clickControls.put(singleStopKey, singleStopClickControl);
    listBox.addItem("single with stop", singleStopKey);

    final String doubleStopKey = "doublestop";
    ClickControl doubleStopClickControl =
        new ClickControl(
            this.createClickHandlerOptions(false, true, false, true, 0, doubleStopKey));
    map.addControl(doubleStopClickControl);
    this.clickControls.put(doubleStopKey, doubleStopClickControl);
    this.listBox.addItem("double with stop", doubleStopKey);

    final String bothStopKey = "bothstop";
    ClickControl bothStopClickControl =
        new ClickControl(this.createClickHandlerOptions(true, true, true, true, 0, bothStopKey));
    map.addControl(bothStopClickControl);
    this.clickControls.put(bothStopKey, bothStopClickControl);
    this.listBox.addItem("both with stop", bothStopKey);

    // center and zoom to a location
    LonLat lonLat = new LonLat(13.4, 52.51);
    lonLat.transform(
        DEFAULT_PROJECTION.getProjectionCode(),
        map.getProjection()); // transform lonlat to OSM coordinate system
    map.setCenter(lonLat, 12);

    initWidget(contentPanel);

    mapWidget
        .getElement()
        .getFirstChildElement()
        .getStyle()
        .setZIndex(0); // force the map to fall behind popups

    this.listBox.addChangeHandler(
        new ChangeHandler() {

          @Override
          public void onChange(ChangeEvent event) {
            activateControl();
          }
        });

    this.activateControl();
  }
    @Override
    public void buildPanel() {

        // create some MapOptions
        MapOptions defaultMapOptions = new MapOptions();
        defaultMapOptions.setNumZoomLevels(16);

        // create a MapWidget
        MapWidget mapWidget = new MapWidget("500px", "500px", defaultMapOptions);

        contentPanel.add(new HTML(
                "<p>This example shows the use of the handler with a key mask.</p>"
                + "<p>"
                + "<li>Choose the keys you want to check with the checkboxes.</li>"
                + "<li>Press an hold the buttons you have choosen and click in the map.</li>"));
        contentPanel.add(
                new InfoPanel(
                        "<p>Don't forget to add the following line to your HTML if you want to use Google V3. :</p>"
                        + "<p><b>&lt;script src=\"http://maps.google.com/maps/api/js?v=3&amp;sensor=false\"&gt;&lt;/script&gt;</b></p>"));
        
        HorizontalPanel keyChooserPanel = new HorizontalPanel();
        
        this.keyAltCheckBox = new CheckBox("Alt");
        this.keyShiftCheckBox = new CheckBox("Shift");
        
        keyChooserPanel.add(this.keyAltCheckBox);
        keyChooserPanel.add(this.keyShiftCheckBox);
        
        
        ValueChangeHandler<Boolean> changeHandler = new ValueChangeHandler<Boolean>() {
            
            @Override
            public void onValueChange(ValueChangeEvent<Boolean> event) {
                
                int keyCodes = Handler.MOD_NONE;
                
                if(keyAltCheckBox.getValue()) {
                    keyCodes |= Handler.MOD_ALT;
                }
                
                if(keyShiftCheckBox.getValue()) {
                    keyCodes |= Handler.MOD_SHIFT;
                }
                
                keyMaskControl.setKeyMask(keyCodes);
                
            }
        };
        
        this.keyShiftCheckBox.addValueChangeHandler(changeHandler);
        this.keyAltCheckBox.addValueChangeHandler(changeHandler);
        this.keyShiftCheckBox.addValueChangeHandler(changeHandler);

        contentPanel.add(mapWidget);
        contentPanel.add(keyChooserPanel);

        // create some Google Layers
        GoogleV3Options gNormalOptions = new GoogleV3Options();
        gNormalOptions.setIsBaseLayer(true);
        gNormalOptions.setType(GoogleV3MapType.G_NORMAL_MAP);
        GoogleV3 gNormal = new GoogleV3("Google Normal", gNormalOptions);

        // and add them to the map
        final Map map = mapWidget.getMap();
        map.addLayer(gNormal);

        // lets add some default controls to the map
        map.addControl(new LayerSwitcher()); //+ sign in the upperright corner to display the layer switcher
        map.addControl(new OverviewMap()); //+ sign in the lowerright to display the overviewmap
        map.addControl(new ScaleLine()); //Display the scaleline
        
        
        map.addControl(keyMaskControl);
        
        keyMaskControl.activate();
        
        // center and zoom to a location
        LonLat lonLat = new LonLat(13.4, 52.51);
        lonLat.transform(DEFAULT_PROJECTION.getProjectionCode(),
                map.getProjection()); //transform lonlat to OSM coordinate system
        map.setCenter(lonLat, 12);

        initWidget(contentPanel);

        mapWidget.getElement().getFirstChildElement().getStyle().setZIndex(0); //force the map to fall behind popups


    }