ingo@833: package de.intevation.flys.client.client.ui;
ingo@833: 
ingo@833: import java.util.List;
ingo@833: 
ingo@833: import com.google.gwt.core.client.GWT;
ingo@833: import com.google.gwt.user.client.rpc.AsyncCallback;
ingo@833: 
ingo@833: import com.smartgwt.client.util.SC;
ingo@833: import com.smartgwt.client.widgets.Canvas;
ingo@833: import com.smartgwt.client.widgets.events.ResizedEvent;
ingo@833: import com.smartgwt.client.widgets.events.ResizedHandler;
raimund@915: import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
raimund@915: import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
ingo@833: 
ingo@833: import org.gwtopenmaps.openlayers.client.Map;
ingo@833: import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
ingo@833: import org.gwtopenmaps.openlayers.client.format.GeoJSON;
ingo@833: import org.gwtopenmaps.openlayers.client.layer.WMS;
ingo@833: import org.gwtopenmaps.openlayers.client.layer.WMSParams;
ingo@833: import org.gwtopenmaps.openlayers.client.layer.WMSOptions;
ingo@833: 
ingo@833: import de.intevation.flys.client.shared.model.Data;
ingo@833: import de.intevation.flys.client.shared.model.DataItem;
ingo@833: import de.intevation.flys.client.shared.model.DataList;
ingo@833: import de.intevation.flys.client.shared.model.DefaultData;
ingo@833: import de.intevation.flys.client.shared.model.DefaultDataItem;
ingo@833: import de.intevation.flys.client.shared.model.MapInfo;
ingo@833: 
ingo@833: import de.intevation.flys.client.client.Config;
ingo@833: import de.intevation.flys.client.client.ui.map.FloodMap;
ingo@833: import de.intevation.flys.client.client.ui.map.MapPanel;
ingo@833: import de.intevation.flys.client.client.services.MapInfoService;
ingo@833: import de.intevation.flys.client.client.services.MapInfoServiceAsync;
ingo@833: 
ingo@833: 
raimund@915: public class DigitizePanel
raimund@915: extends SelectProvider
raimund@915: implements TabSelectedHandler {
ingo@833: 
ingo@833:     protected MapInfoServiceAsync mapInfo = GWT.create(MapInfoService.class);
ingo@833: 
ingo@833:     protected FloodMap floodMap;
ingo@833: 
ingo@833: 
ingo@833:     public static final String UESK_BARRIERS = "uesk.barriers";
ingo@833: 
ingo@833: 
ingo@833:     public DigitizePanel() {
ingo@833:     }
ingo@833: 
ingo@833: 
ingo@833:     @Override
ingo@833:     public Canvas create(DataList list) {
ingo@833:         List<Data> data = list.getAll();
ingo@833: 
ingo@833:         Data barriers = null;
ingo@833:         for (int i = data.size()-1; i >= 0; i--) {
ingo@833:             Data d = data.get(i);
ingo@833:             if (d.getLabel().equals(UESK_BARRIERS)) {
ingo@833:                 barriers = d;
ingo@833:                 data.remove(d);
ingo@833:             }
ingo@833:         }
ingo@833: 
ingo@872:         DataList clone = (DataList) list.clone();
ingo@872:         List<Data> all = clone.getAll();
ingo@872:         all.remove(UESK_BARRIERS);
ingo@872: 
ingo@872:         Canvas selectBox = super.create(clone);
ingo@833: 
ingo@833:         final Config cfg    = Config.getInstance();
ingo@833:         final String url    = cfg.getServerUrl();
ingo@833:         final String locale = cfg.getLocale();
ingo@833: 
ingo@833:         DataItem[] obj = barriers.getItems();
ingo@833: 
ingo@833:         final String[] geojson = new String[1];
ingo@833:         for (DataItem item: obj) {
ingo@833:             if (item.getLabel().equals(UESK_BARRIERS)) {
ingo@833:                 geojson[0] = item.getStringValue();
ingo@833:                 break;
ingo@833:             }
ingo@833:         }
ingo@833: 
ingo@873:         String river = getDataValue("state.winfo.river", "river");
ingo@873:         mapInfo.getMapInfo(url, locale, river, new AsyncCallback<MapInfo>() {
ingo@833:             public void onFailure(Throwable caught) {
ingo@833:                 String msg = caught.getMessage();
ingo@833: 
ingo@833:                 GWT.log("Error while fetching MapInfo: " + msg);
ingo@833:                 SC.warn(MSG.getString(msg));
ingo@833:             }
ingo@833: 
ingo@833:             public void onSuccess(MapInfo info) {
ingo@833:                 createMapWidget(info, geojson[0]);
ingo@833:             }
ingo@833:         });
ingo@833: 
ingo@833:         return selectBox;
ingo@833:     }
ingo@833: 
ingo@833: 
ingo@833:     @Override
ingo@833:     protected Data[] getData() {
ingo@833:         Data[] data  = super.getData();
ingo@833:         Data[] total = new Data[2];
ingo@833: 
ingo@833:         DataItem item = new DefaultDataItem(
ingo@833:             UESK_BARRIERS, UESK_BARRIERS, floodMap.getFeaturesAsGeoJSON());
ingo@833: 
ingo@833:         total[0] = data[0];
ingo@833:         total[1] = new DefaultData(
ingo@833:             UESK_BARRIERS, null, null, new DataItem[] { item });
ingo@833: 
ingo@833:         return total;
ingo@833:     }
ingo@833: 
ingo@833: 
ingo@833:     public void createMapWidget(MapInfo mapInfo, String geojson) {
ingo@833:         final MapPanel mapPanel = new MapPanel(mapInfo, true);
ingo@833: 
ingo@833:         floodMap = mapPanel.getFloodMap();
ingo@833:         Map map  = floodMap.getMap();
ingo@833: 
ingo@833:         helperContainer.addMember(mapPanel);
ingo@833:         helperContainer.addResizedHandler(new ResizedHandler() {
ingo@833:             public void onResized(ResizedEvent e) {
ingo@833:                 Integer height = helperContainer.getHeight();
ingo@833:                 Integer width  = helperContainer.getWidth();
ingo@833: 
ingo@833:                 height = height * 99 / 100;
ingo@833:                 width  = width  * 99 / 100;
ingo@833: 
ingo@833:                 String w = String.valueOf(width) + "px";
ingo@833:                 String h = String.valueOf(height) + "px";
ingo@833: 
ingo@833:                 mapPanel.getFloodMap().setSize(w, h);
ingo@833:             }
ingo@833:         });
ingo@833: 
raimund@915:         parameterList.registerCollectionViewTabHandler(this);
raimund@915: 
ingo@833:         WMS axis = getLayer(
ingo@833:             mapInfo.getWmsUrl(), "riveraxis",
ingo@833:             mapInfo.getProjection(), false);
ingo@833:         WMS back = getLayer(
ingo@833:             mapInfo.getBackgroundWmsUrl(), mapInfo.getBackgroundWmsLayers(),
ingo@833:             mapInfo.getProjection(), false);
ingo@833: 
ingo@833:         map.addLayer(axis);
ingo@833:         map.addLayer(back);
ingo@833: 
ingo@833:         if (geojson != null && geojson.length() > 0) {
ingo@833:             VectorFeature[] features = new GeoJSON().read(geojson);
ingo@833:             floodMap.getBarrierLayer().addFeatures(features);
ingo@833:         }
ingo@833: 
ingo@833:         map.zoomToMaxExtent();
ingo@833:     }
ingo@833: 
ingo@833: 
ingo@833:     protected WMS getLayer(String url, String layers, String proj, boolean x) {
ingo@833:         WMSParams params = new WMSParams();
ingo@833:         params.setLayers(layers);
ingo@833:         params.setFormat("image/png");
ingo@833:         params.setIsTransparent(!x);
ingo@833: 
ingo@833:         WMSOptions opts = new WMSOptions();
ingo@1302:         opts.setTransitionEffect("null");
ingo@833:         opts.setProjection(proj);
ingo@833:         opts.setSingleTile(true);
ingo@833:         opts.setRatio(1);
ingo@1302:         opts.setBuffer(0);
ingo@833: 
ingo@833:         WMS wms = new WMS(layers, url, params, opts);
ingo@833:         wms.setIsVisible(true);
ingo@833:         wms.setIsBaseLayer(x);
ingo@833: 
ingo@833:         return wms;
ingo@833:     }
raimund@915: 
raimund@915: 
raimund@915:     public void onTabSelected(TabSelectedEvent tse) {
raimund@915:         if (tse.getTabNum () != 0) {
raimund@915:             floodMap.hideBarrierLayer();
raimund@915:         }
raimund@915:         else {
raimund@915:             floodMap.showBarrierLayer();
raimund@915:         }
raimund@915:     }
ingo@833: }
ingo@833: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :