private WebFeatureServiceLayer createWfsLayer(
String displayName, String proxyUrl, String featureType) {
WebFeatureServiceLayer wfsLayer = new WebFeatureServiceLayer();
wfsLayer.setDisplayName(displayName);
wfsLayer.setUri(proxyUrl);
wfsLayer.setFeatureType(featureType);
wfsLayer.setFeatureNS("http://www.openplans.org/topp");
wfsLayer.setProjection("EPSG:4326");
wfsLayer.setSelectionCtrlId("1");
wfsLayer.addLoadStartListener(loadStartListener);
wfsLayer.addLoadEndListener(loadEndListener);
wfsLayer.addVisibilityChangedListener(visChangedListener);
return wfsLayer;
}
@Override
Component getMap() {
OpenLayersMap openLayersMap = new OpenLayersMap();
OpenStreetMapLayer osmLayer = new OpenStreetMapLayer();
osmLayer.addLoadStartListener(loadStartListener);
osmLayer.addLoadEndListener(loadEndListener);
osmLayer.setUrl("http://b.tile.openstreetmap.org/${z}/${x}/${y}.png");
osmLayer.setDisplayName("OSM");
String proxyUrl = contextPath + "/WFSPROXY/demo.opengeo.org/geoserver/wfs";
WebFeatureServiceLayer wfsCities = createWfsLayer("Cities", proxyUrl, "tasmania_cities");
setStyle(wfsCities, 1, "yellow", "red", 4, 2);
WebFeatureServiceLayer wfsRoads = createWfsLayer("Roads", proxyUrl, "tasmania_roads");
setStyle(wfsRoads, 1, "gray", "gray", 0, 4);
// don't use beforeselected and selected listener at the same time to show massages
WebFeatureServiceLayer wfsBoundaries =
createWfsLayer("Boundaries", proxyUrl, "tasmania_state_boundaries");
wfsBoundaries.setVisibility(false);
WebFeatureServiceLayer wfsWater = createWfsLayer("Water", proxyUrl, "tasmania_water_bodies");
setStyle(wfsWater, 0.5, "blue", "blue", 1, 2);
openLayersMap.addLayer(osmLayer);
openLayersMap.addLayer(wfsCities);
openLayersMap.addLayer(wfsRoads);
openLayersMap.addLayer(wfsWater);
openLayersMap.addLayer(wfsBoundaries);
openLayersMap.setSizeFull();
openLayersMap.setCenter(146.9417, -42.0429);
openLayersMap.setZoom(7);
controls = new HorizontalLayout();
editor = new com.vaadin.ui.TextArea();
editor.setRows(20);
editor.setColumns(20);
editor.setImmediate(true);
((ComponentContainer) getContent()).addComponent(editor);
controls.addComponent(editor);
return openLayersMap;
}
private void setStyle(
WebFeatureServiceLayer wfs,
double opacity,
String fillColor,
String strokeColor,
double pointRadius,
double strokeWidth) {
Style style = new Style();
style.extendCoreStyle("default");
style.setFillColor(fillColor);
style.setStrokeColor(strokeColor);
style.setStrokeWidth(strokeWidth);
style.setPointRadius(pointRadius);
style.setFillOpacity(opacity);
StyleMap styleMap = new StyleMap(style);
styleMap.setExtendDefault(true);
wfs.setStyleMap(styleMap);
}