ingo@797: package de.intevation.flys.client.client.ui.map;
ingo@797: 
ingo@823: import org.gwtopenmaps.openlayers.client.Bounds;
ingo@797: import org.gwtopenmaps.openlayers.client.Map;
ingo@797: import org.gwtopenmaps.openlayers.client.MapOptions;
ingo@797: import org.gwtopenmaps.openlayers.client.MapWidget;
ingo@833: import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
ingo@833: import org.gwtopenmaps.openlayers.client.format.GeoJSON;
ingo@800: import org.gwtopenmaps.openlayers.client.layer.Vector;
ingo@823: import org.gwtopenmaps.openlayers.client.layer.VectorOptions;
ingo@797: import org.gwtopenmaps.openlayers.client.util.JObjectArray;
ingo@797: import org.gwtopenmaps.openlayers.client.util.JSObject;
ingo@797: 
ingo@797: 
ingo@797: public class FloodMap {
ingo@797: 
ingo@800:     public static final String LAYER_BARRIERS = "vector_layer_barriers";
ingo@800: 
ingo@797:     protected MapWidget mapWidget;
ingo@797:     protected Map       map;
ingo@800:     protected Vector    barrierLayer;
ingo@823:     protected String    srid;
ingo@823:     protected Bounds    maxExtent;
ingo@797: 
ingo@797: 
ingo@823:     public FloodMap(String srid, Bounds maxExtent) {
ingo@823:         this.srid      = srid;
ingo@823:         this.maxExtent = maxExtent;
ingo@823: 
ingo@797:         MapOptions opts = new MapOptions();
ingo@797:         opts.setControls(new JObjectArray(new JSObject[] {}));
ingo@797:         opts.setNumZoomLevels(16);
ingo@797:         opts.setProjection(getRiverProjection());
ingo@823:         opts.setMaxExtent(maxExtent);
ingo@823:         opts.setMaxResolution(500); // TODO DO THIS ON THE FLY
ingo@797: 
ingo@797:         mapWidget = new MapWidget("510px", "635px", opts);
ingo@797:         map       = mapWidget.getMap();
ingo@806: 
ingo@806:         getBarrierLayer();
ingo@797:     }
ingo@797: 
ingo@797: 
ingo@797:     public MapWidget getMapWidget() {
ingo@797:         return mapWidget;
ingo@797:     }
ingo@797: 
ingo@797: 
ingo@797:     public Map getMap() {
ingo@797:         return map;
ingo@797:     }
ingo@797: 
ingo@797: 
ingo@797:     public String getRiverProjection() {
ingo@823:         return "EPSG:" + srid;
ingo@797:     }
ingo@797: 
ingo@797: 
ingo@800:     public Vector getBarrierLayer() {
ingo@800:         if (barrierLayer == null) {
ingo@823:             VectorOptions opts = new VectorOptions();
ingo@823:             opts.setProjection(getRiverProjection());
ingo@823:             opts.setMaxExtent(maxExtent);
ingo@823: 
ingo@823:             barrierLayer = new Vector(LAYER_BARRIERS, opts);
ingo@806:             barrierLayer.setIsBaseLayer(true);
ingo@823: 
ingo@800:             map.addLayer(barrierLayer);
ingo@800:         }
ingo@800: 
ingo@800:         return barrierLayer;
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@833:     public String getFeaturesAsGeoJSON() {
ingo@833:         VectorFeature[] features = barrierLayer.getFeatures();
ingo@833: 
ingo@833:         if (features == null || features.length == 0) {
ingo@833:             return null;
ingo@833:         }
ingo@833: 
ingo@833:         return new GeoJSON().write(features);
ingo@833:     }
ingo@833: 
ingo@833: 
ingo@797:     public void setSize(String width, String height) {
ingo@797:         mapWidget.setWidth(width);
ingo@797:         mapWidget.setHeight(height);
ingo@797:     }
ingo@797: }
ingo@799: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :