Examples with LPolygon org.vaadin.addon.leaflet.LPolygon used on opensource projects

Example 1 with LPolygon

use of org.vaadin.addon.leaflet.LPolygon in project v-leaflet by mstahv.

the class GeoJSONExample method getTestComponent.

@Override
public Component getTestComponent() {
    leafletMap = new LMap();
    leafletMap.setWidth("600px");
    leafletMap.setHeight("400px");
    /*
         * Note, this is just one option to read GeoJSON in java. Here, using 
         * helper from geotools library. In some simple cases approach to use
         * plain Json library like Jackson or GSON might be better.
         */
    FeatureJSON io = new FeatureJSON();
    try {
        long currentTimeMillis = System.currentTimeMillis();
        // Look ma, no proxy needed, how cool is that!
        FeatureCollection fc = io.readFeatureCollection(new URL("http://eric.clst.org/assets/wiki/uploads/Stuff/gz_2010_us_040_00_500k.json").openStream());
        Logger.getLogger(GeoJSONExample.class.getName()).severe("Download in " + (System.currentTimeMillis() - currentTimeMillis));
        currentTimeMillis = System.currentTimeMillis();
        FeatureIterator iterator = fc.features();
        try {
            while (iterator.hasNext()) {
                Feature feature = iterator.next();
                final String name = feature.getProperty("NAME").getValue().toString();
                System.out.println("State " + name + " read!");
                Geometry geometry = (Geometry) feature.getDefaultGeometryProperty().getValue();
                // The geojson provided in example is rather complex (several megabytes)
                // Use JTS to simplyfy. Note that it is rather easy to use
                // different settings on different zoom levels, as well as decide
                // to drop the feature form client altogether
                geometry = DouglasPeuckerSimplifier.simplify(geometry, 0.2);
                // In this example can be Polygon/Multipolygon
                Collection<LeafletLayer> toLayers = JTSUtil.toLayers(geometry);
                for (LeafletLayer l : toLayers) {
                    leafletMap.addComponent(l);
                    if (l instanceof LPolygon) {
                        LPolygon lPolygon = (LPolygon) l;
                        lPolygon.addClickListener(new LeafletClickListener() {

                            @Override
                            public void onClick(LeafletClickEvent event) {
                                Notification.show("That is " + name);
                            }
                        });
                    }
                }
            }
            Logger.getLogger(GeoJSONExample.class.getName()).severe("Reducing and creating layers " + (System.currentTimeMillis() - currentTimeMillis));
        } finally {
            iterator.close();
        }
    } catch (MalformedURLException ex) {
        Logger.getLogger(GeoJSONExample.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(GeoJSONExample.class.getName()).log(Level.SEVERE, null, ex);
    }
    leafletMap.zoomToContent();
    return leafletMap;
}

Example 2 with LPolygon

use of org.vaadin.addon.leaflet.LPolygon in project v-leaflet by mstahv.

the class ContextClickOnMap method getTestComponent.

@Override
public Component getTestComponent() {
    leafletMap = new LMap();
    final LOpenStreetMapLayer lOpenStreetMapLayer = new LOpenStreetMapLayer();
    leafletMap.addLayer(lOpenStreetMapLayer);
    leafletMap.setCenter(0, 0);
    leafletMap.setZoomLevel(2);
    LPolygon polygon = new LPolygon(new Point(0, 0), new Point(30, 30), new Point(0, 30));
    leafletMap.addLayer(polygon);
    polygon.addContextMenuListener(new LeafletContextMenuListener() {

        @Override
        public void onContextMenu(LeafletContextMenuEvent event) {
            Notification.show("CxtClick at polygon at " + event.toString());
        }
    });
    polygon.addClickListener(new LeafletClickListener() {

        @Override
        public void onClick(LeafletClickEvent event) {
            Notification.show("Std Click at polygon at " + event.toString());
        }
    });
    // prevent bubbling of events to DOM parents(like the map)
    polygon.setBubblingMouseEvents(false);
    leafletMap.addContextMenuListener(new LeafletContextMenuListener() {

        @Override
        public void onContextMenu(LeafletContextMenuEvent event) {
            Point point = event.getPoint();
            LMarker marker = new LMarker(point);
            marker.setPopup("Created by ContextClick on lOpenStreetMapLayer");
            leafletMap.addComponent(marker);
            marker.openPopup();
        }
    });
    leafletMap.addClickListener(new LeafletClickListener() {

        @Override
        public void onClick(LeafletClickEvent event) {
            if (event.getMouseEvent().getButton() == MouseEventDetails.MouseButton.LEFT) {
                Notification.show("Std Click on map at " + event.toString() + ". Use context click to add marker.");
            }
        }
    });
    return leafletMap;
}

Example 3 with LPolygon

use of org.vaadin.addon.leaflet.LPolygon in project v-leaflet by mstahv.

the class PolygonWithHolesTest method getTestComponent.

public Component getTestComponent() {
    leafletMap = new LMap();
    // Not creating a name -> not added to the
    lfg = new LFeatureGroup();
    // overlay controller
    LPolygon polygon = new LPolygon();
    polygon.setPoints(new Point[] { new Point(0, 0), new Point(30, 30), new Point(30, 0) });
    polygon.setHoles(new Point[] { new Point(20, 20), new Point(25, 25), new Point(25, 20) });
    // non complete hole
    polygon.setHoles(new Point[] { new Point(5, 10), new Point(15, 15), new Point(15, 10) });
    polygon.setColor("green");
    lfg.addComponent(polygon);
    Polygon poly = getPolygon();
    Collection<LeafletLayer> lPoly = JTSUtil.toLayers(poly);
    lfg.addComponent(lPoly);
    leafletMap.setZoomLevel(5);
    leafletMap.addComponent(lfg);
    leafletMap.zoomToContent();
    return leafletMap;
}

Example 4 with LPolygon

use of org.vaadin.addon.leaflet.LPolygon in project v-leaflet by mstahv.

the class VectorsWithNullPoints method getTestComponent.

public Component getTestComponent() {
    leafletMap = new LMap();
    LPolygon polygon = new LPolygon(new Point(0, 0), null, new Point(1, 1), new Point(2, 3), new Point(0, 0));
    polygon.sanitizeGeometry();
    LPolyline polyline = new LPolyline();
    LPolyline polylineWithNullPoint = new LPolyline(new Point(0, 0), null, new Point(1, 1), new Point(2, 3));
    polylineWithNullPoint.sanitizeGeometry();
    LMarker m = new LMarker(0, 0);
    leafletMap.setZoomLevel(0);
    leafletMap.addComponents(polygon, polyline, polylineWithNullPoint, m);
    leafletMap.zoomToContent();
    return leafletMap;
}