Examples with GetMapRequest org.geotools.data.wms.request.GetMapRequest used on opensource projects

Example 1 with GetMapRequest

use of org.geotools.data.wms.request.GetMapRequest in project spatial-portal by AtlasOfLivingAustralia.

the class AddWMSLayerComposer method onClick$addDiscoveredLayerButton.

/**
     * User selected a map layer after doing "select layers" and clicked "add to
     * map"
     */
public void onClick$addDiscoveredLayerButton() {
    LOGGER.debug("onAddDiscoveredLayer()");
    // DO NOT PUT TEST INTO IF STATEMENT (DO NOT SHORT CURCUIT HERE!)
    boolean acm = validateAutomaticModeCommon();
    boolean ams = validiateAutomaticModeSelectLayer();
    boolean c = validateCommon();
    if (acm && ams && c) {
        String discoveredLayerId = ((String[]) layerName.getSelectedItem().getValue())[0];
        /*
             * we've already interogated the WMS server to find the available
             * layers - we don't need to do this again, all we need to do is
             * select the layer they user chose by looking for the layer name
             */
        Layer targetLayer = discoveredLayer.getLayerList().get(Integer.parseInt(discoveredLayerId));
        if (targetLayer != null) {
            MapLayer mapLayer = new MapLayer();
            mapLayer.setName(targetLayer.getName());
            GetMapRequest mapRequest = wmsServer.createGetMapRequest();
            mapRequest.addLayer(targetLayer);
            LOGGER.debug(mapRequest.getFinalURL());
            mapRequest.setFormat(StringConstants.IMAGE_PNG);
            String url = mapRequest.getFinalURL().toString();
            mapLayer.setUri(url);
            mapLayer.setLayer(targetLayer.getName());
            mapLayer.setOpacity(opacitySlider.getCurpos() / 100.0f);
            mapLayer.setImageFormat(layerUtilities.getImageFormat(url));
            /* attempt to retrieve bounding box */
            List<Double> bbox = layerUtilities.getBBox(url);
            if (bbox != null) {
                CRSEnvelope e = targetLayer.getLatLonBoundingBox();
                bbox.set(0, e.getMinX());
                bbox.set(1, e.getMinY());
                bbox.set(2, e.getMaxX());
                bbox.set(3, e.getMaxY());
                MapLayerMetadata md = new MapLayerMetadata();
                md.setBbox(bbox);
                md.setMoreInfo(targetLayer.getName() + "\n" + makeMetadataHtml(targetLayer));
                mapLayer.setMapLayerMetadata(md);
            }
            /* we don't want our user to have to type loads
                 * when adding a new layer so we just assume/generate
                 * values for the id and description
                 */
            String name = (nameAutomatically.isChecked()) ? targetLayer.getName() + ", " + targetLayer.getTitle() : Validate.escapeHtmlAndTrim(label.getValue());
            mapLayer.setId(url + name.replaceAll("\\s+", ""));
            mapLayer.setDescription(name);
            // wms version
            String version = layerUtilities.getVersionValue(url);
            mapLayer.setType(layerUtilities.internalVersion(version));
            getMapComposer().addUserDefinedLayerToMenu(mapLayer, true);
            // all sweet
            updateResult(StringConstants.WMS_LAYER_ADDED);
            // remove the layer from available layers to stop it being 
            // added twice
            removeLayer(discoveredLayerId);
            updateAvailableLayers();
        } else {
            getMapComposer().showMessage(CommonData.lang("error_selecting_layer") + ": '" + discoveredLayerId + "'");
        }
    }
}