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

Example 1 with LLayerGroup

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

the class ChoroplethExample method getTestComponent.

@Override
public Component getTestComponent() {
    leafletMap = new LMap();
    leafletMap.addLayer(new LOpenStreetMapLayer());
    leafletMap.setView(37.8, -96.0, 4.0);
    /*
         * Reading from geojson here, but typically you'd just query
         * your DB directly for the data.
         */
    FeatureJSON io = new FeatureJSON();
    try {
        // 
        // 
        FeatureCollection fc = io.readFeatureCollection(getClass().getResourceAsStream("/us-states.json"));
        FeatureIterator iterator = fc.features();
        try {
            while (iterator.hasNext()) {
                Feature feature = iterator.next();
                final String name = feature.getProperty("name").getValue().toString();
                final Double density = (Double) feature.getProperty("density").getValue();
                System.out.println("State " + name + " read!");
                Geometry geometry = (Geometry) feature.getDefaultGeometryProperty().getValue();
                // Using a helper create v-leaflet components from geojson
                Collection<LeafletLayer> toLayers = JTSUtil.toLayers(geometry);
                for (LeafletLayer l : toLayers) {
                    leafletMap.addComponent(l);
                    if (l instanceof AbstractLeafletVector) {
                        configureFeature(l, density, name);
                    } else if (l instanceof LLayerGroup) {
                        LLayerGroup g = (LLayerGroup) l;
                        for (Component component : g) {
                            configureFeature((LeafletLayer) component, density, name);
                        }
                    }
                }
            }
        } finally {
            iterator.close();
        }
    } catch (MalformedURLException ex) {
        Logger.getLogger(ChoroplethExample.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(ChoroplethExample.class.getName()).log(Level.SEVERE, null, ex);
    }
    /*
         * AbsoluteLayout is a handy layout you can use to place any Vaadin
         * components on top of map. Here we just use raw html label to create
         * a legend, but we could use dynamically generated html or e.g. Table
         * component on top of the map as well.
         */
    AbsoluteLayout absoluteLayout = new AbsoluteLayout();
    absoluteLayout.setWidth("800px");
    absoluteLayout.setHeight("500px");
    absoluteLayout.addComponent(leafletMap);
    Label label = new Label("<style>.legend { background:white; padding:10px; border-radius: 4px; text-align: left; line-height: 18px; color: #555; } .legend i { width: 18px; height: 18px; float: left; margin-right: 8px; opacity: 0.7; }</style><div class=\"info legend leaflet-control\"><i style=\"background:#FFEDA0\"></i> 0–10<br><i style=\"background:#FED976\"></i> 10–20<br><i style=\"background:#FEB24C\"></i> 20–50<br><i style=\"background:#FD8D3C\"></i> 50–100<br><i style=\"background:#FC4E2A\"></i> 100–200<br><i style=\"background:#E31A1C\"></i> 200–500<br><i style=\"background:#BD0026\"></i> 500–1000<br><i style=\"background:#800026\"></i> 1000+</div>", ContentMode.HTML);
    label.setWidth("100px");
    absoluteLayout.addComponent(label, "bottom: 30px; right: 20px;");
    return absoluteLayout;
}

Example 2 with LLayerGroup

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

the class LayerGroupTest method setup.

@Override
protected void setup() {
    super.setup();
    addMarkers = new CheckBox("Add markers");
    content.addComponentAsFirst(addMarkers);
    delete = new CheckBox("Delete on click");
    content.addComponentAsFirst(delete);
    showLayerGroupCB = new CheckBox("Show first layer (switch on/off from server side)");
    showLayerGroupCB.setValue(true);
    content.addComponentAsFirst(showLayerGroupCB);
    showLayerGroupCB.addValueChangeListener(new HasValue.ValueChangeListener<Boolean>() {

        @Override
        public void valueChange(ValueChangeEvent<Boolean> event) {
            if (event.getValue()) {
                if (!leafletMap.hasComponent(llg)) {
                    leafletMap.addComponent(llg);
                }
            } else {
                leafletMap.removeComponent(llg);
            }
        }
    });
    Button button = new Button("Delete first component from map (may also be a layer containing many components)");
    button.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Component c : leafletMap) {
                if (!(c instanceof LTileLayer)) {
                    leafletMap.removeComponent(c);
                    break;
                }
            }
        }
    });
    content.addComponentAsFirst(button);
    button = new Button("Delete first component from first layer group (may also be a layer containing many components)");
    button.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            LLayerGroup group = null;
            for (Component c : leafletMap) {
                if (c instanceof LLayerGroup) {
                    group = (LLayerGroup) c;
                    break;
                }
            }
            if (group.getComponentCount() > 0) {
                Component next = group.iterator().next();
                group.removeComponent(next);
            } else {
                Notification.show("No component in first component group");
            }
        }
    });
    content.addComponentAsFirst(button);
    button = new Button("Add polyline to first group on map (creates if does not exist)");
    button.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            LLayerGroup group = null;
            for (Component c : leafletMap) {
                if (c instanceof LLayerGroup) {
                    group = (LLayerGroup) c;
                    break;
                }
            }
            if (group == null) {
                group = new LLayerGroup();
                leafletMap.addOverlay(group, "new group");
            }
            LPolyline lPolyline = new LPolyline(new Point(60.44, 22.30), new Point(60.456, 22.304));
            lPolyline.addClickListener(listener);
            group.addComponent(lPolyline);
        }
    });
    content.addComponentAsFirst(button);
}

Example 3 with LLayerGroup

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

the class LayerGroupTest method getTestComponent.

@Override
public Component getTestComponent() {
    leafletMap = new LMap();
    leafletMap.setCenter(60.4525, 22.301);
    leafletMap.setZoomLevel(15);
    leafletMap.setControls(new ArrayList<Control>(Arrays.asList(Control.values())));
    LPolyline leafletPolyline = null;
    // Adding to layergroup
    // Not creating a name -> not added to the
    llg = new LLayerGroup();
    // overlay controller
    leafletPolyline = new LPolyline(new Point(60.45, 22.295), new Point(60.4555, 22.301), new Point(60.45, 22.307));
    leafletPolyline.setColor("#FF0000");
    leafletPolyline.setFill(true);
    leafletPolyline.setFillColor("#FFFFFF");
    leafletPolyline.addClickListener(listener);
    llg.addComponent(leafletPolyline);
    leafletPolyline = new LPolyline(new Point(60.45 + 0.005, 22.295 + 0.005), new Point(60.4555 + 0.005, 22.301 + 0.005), new Point(60.45 + 0.005, 22.307 + 0.005));
    leafletPolyline.setColor("#FFFFFF");
    leafletPolyline.setFill(true);
    leafletPolyline.setFillColor("#FF0000");
    leafletPolyline.addClickListener(listener);
    llg.addComponent(leafletPolyline);
    LCircle leafletCircle = new LCircle(60.4525 + 0.005, 22.301 + 0.005, 200);
    leafletCircle.setColor("#FF0000");
    llgNested = new LLayerGroup();
    llgNested.addComponent(leafletCircle);
    llg.addComponent(llgNested);
    llg2 = new LLayerGroup();
    leafletCircle = new LCircle(60.4525 - 0.005, 22.301 - 0.005, 20);
    leafletCircle.setColor("#00FF00");
    llg2.addComponent(leafletCircle);
    leafletCircle = new LCircle(60.4525 - 0.008, 22.301 - 0.008, 20);
    leafletCircle.setColor("#00FF00");
    llg2.addComponent(leafletCircle);
    leafletCircle = new LCircle(60.4525 - 0.011, 22.301 - 0.011, 20);
    leafletCircle.setColor("#00FF00");
    llg2.addComponent(leafletCircle);
    leafletCircle = new LCircle(60.4525 - 0.014, 22.301 - 0.014, 20);
    leafletCircle.setColor("#00FF00");
    llg2.addComponent(leafletCircle);
    leafletMap.addOverlay(llg, null);
    leafletMap.addOverlay(llg2, "Small circles group");
    leafletCircle = new LCircle(60.4525, 22.301, 300);
    leafletCircle.setColor("#00FFFF");
    // leafletCircle.addClickListener(listener);
    leafletMap.addComponent(leafletCircle);
    LMarker leafletMarker = new LMarker(60.4525, 22.301);
    leafletMarker.addClickListener(listener);
    leafletMap.addComponent(leafletMarker);
    leafletMarker = new LMarker(60.4525, 22.301);
    leafletMarker.setIcon(new ClassResource("testicon.png"));
    leafletMarker.setIconSize(new Point(57, 52));
    leafletMarker.setIconAnchor(new Point(57, 26));
    leafletMarker.addClickListener(listener);
    leafletMap.addComponent(leafletMarker);
    leafletMap.addBaseLayer(new LOpenStreetMapLayer(), "OSM");
    leafletMap.addClickListener(listener);
    leafletMap.addMoveEndListener(new LeafletMoveEndListener() {

        @Override
        public void onMoveEnd(LeafletMoveEndEvent event) {
            Bounds b = event.getBounds();
            Notification.show(String.format("New viewport (%.4f,%.4f ; %.4f,%.4f)", b.getSouthWestLat(), b.getSouthWestLon(), b.getNorthEastLat(), b.getNorthEastLon()), Type.TRAY_NOTIFICATION);
        }
    });
    return leafletMap;
}