/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.plugin.rasterizing.step;
import java.awt.Rectangle;
import org.geomajas.configuration.client.ClientLayerInfo;
import org.geomajas.configuration.client.ClientMapInfo;
import org.geomajas.geometry.Crs;
import org.geomajas.global.GeomajasException;
import org.geomajas.plugin.rasterizing.api.LayerFactory;
import org.geomajas.plugin.rasterizing.api.LayerFactoryService;
import org.geomajas.plugin.rasterizing.api.RasterizingContainer;
import org.geomajas.plugin.rasterizing.api.RasterizingPipelineCode;
import org.geomajas.plugin.rasterizing.command.dto.MapRasterizingInfo;
import org.geomajas.plugin.rasterizing.command.dto.RasterizingConstants;
import org.geomajas.service.DtoConverterService;
import org.geomajas.service.GeoService;
import org.geomajas.service.pipeline.PipelineContext;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.Layer;
import org.geotools.map.MapContext;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Step which adds all the layers to the map context and prepares the context for rendering.
*
* @author Jan De Moerloose
*
*/
public class AddLayersStep extends AbstractRasterizingStep {
@Autowired
private LayerFactoryService layerFactoryService;
@Autowired
private DtoConverterService converterService;
@Autowired
private GeoService geoService;
public void execute(PipelineContext context, RasterizingContainer response) throws GeomajasException {
ClientMapInfo clientMapInfo = context.get(RasterizingPipelineCode.CLIENT_MAP_INFO_KEY, ClientMapInfo.class);
MapContext mapContext = context.get(RasterizingPipelineCode.MAP_CONTEXT_KEY, MapContext.class);
MapRasterizingInfo mapRasterizingInfo = (MapRasterizingInfo) clientMapInfo
.getWidgetInfo(MapRasterizingInfo.WIDGET_KEY);
mapContext.getUserData().put(LayerFactory.USERDATA_RASTERIZING_INFO, mapRasterizingInfo);
Crs mapCrs = geoService.getCrs2(clientMapInfo.getCrs());
ReferencedEnvelope mapArea = new ReferencedEnvelope(
converterService.toInternal(mapRasterizingInfo.getBounds()), mapCrs);
Rectangle paintArea = new Rectangle((int) (mapRasterizingInfo.getScale() * mapArea.getWidth()),
(int) (mapRasterizingInfo.getScale() * mapArea.getHeight()));
mapContext.getViewport().setBounds(mapArea);
mapContext.getViewport().setCoordinateReferenceSystem(mapCrs);
mapContext.getViewport().setScreenArea(paintArea);
// add the configured layers
for (ClientLayerInfo clientLayerInfo : clientMapInfo.getLayers()) {
clientLayerInfo.getWidgetInfo(RasterizingConstants.WIDGET_KEY);
Layer layer = layerFactoryService.createLayer(mapContext, clientLayerInfo);
boolean showing = (Boolean) layer.getUserData().get(LayerFactory.USERDATA_KEY_SHOWING);
if (showing) {
mapContext.addLayer(layer);
}
}
// add the extra layers
for (ClientLayerInfo clientLayerInfo : mapRasterizingInfo.getExtraLayers()) {
Layer layer = layerFactoryService.createLayer(mapContext, clientLayerInfo);
boolean showing = (Boolean) layer.getUserData().get(LayerFactory.USERDATA_KEY_SHOWING);
if (showing) {
mapContext.addLayer(layer);
}
}
}
}