teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui.map;
ingo@796: 
gernotbelger@9483: import java.util.HashMap;
gernotbelger@9483: import java.util.List;
ingo@796: 
teichmann@5835: import org.dive4elements.river.client.client.Config;
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.client.event.OutputParameterChangeEvent;
teichmann@5835: import org.dive4elements.river.client.client.event.OutputParameterChangeHandler;
teichmann@5835: import org.dive4elements.river.client.client.event.RedrawRequestEvent;
teichmann@5835: import org.dive4elements.river.client.client.event.RedrawRequestHandler;
teichmann@5835: import org.dive4elements.river.client.client.services.LoadArtifactService;
teichmann@5835: import org.dive4elements.river.client.client.services.LoadArtifactServiceAsync;
teichmann@5835: import org.dive4elements.river.client.client.services.MapOutputService;
teichmann@5835: import org.dive4elements.river.client.client.services.MapOutputServiceAsync;
teichmann@5835: import org.dive4elements.river.client.client.services.StepForwardService;
teichmann@5835: import org.dive4elements.river.client.client.services.StepForwardServiceAsync;
teichmann@5835: import org.dive4elements.river.client.client.ui.CollectionView;
teichmann@5835: import org.dive4elements.river.client.client.ui.OutputTab;
teichmann@5835: import org.dive4elements.river.client.client.ui.ThemePanel;
teichmann@5835: import org.dive4elements.river.client.shared.model.Artifact;
teichmann@5835: import org.dive4elements.river.client.shared.model.ArtifactDescription;
teichmann@5835: import org.dive4elements.river.client.shared.model.AttributedTheme;
teichmann@5835: import org.dive4elements.river.client.shared.model.Collection;
teichmann@5835: import org.dive4elements.river.client.shared.model.Data;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataList;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultData;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultDataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.MapConfig;
teichmann@5835: import org.dive4elements.river.client.shared.model.OutputMode;
teichmann@5835: import org.dive4elements.river.client.shared.model.Recommendation;
teichmann@5835: import org.dive4elements.river.client.shared.model.Theme;
teichmann@5835: import org.dive4elements.river.client.shared.model.ThemeList;
teichmann@5835: import org.dive4elements.river.client.shared.model.WMSLayer;
christian@2983: import org.gwtopenmaps.openlayers.client.Bounds;
christian@2983: import org.gwtopenmaps.openlayers.client.Map;
christian@4402: import org.gwtopenmaps.openlayers.client.MapWidget;
christian@2983: import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener;
christian@2983: import org.gwtopenmaps.openlayers.client.event.VectorFeatureRemovedListener;
christian@2983: import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
christian@2983: import org.gwtopenmaps.openlayers.client.format.GeoJSON;
christian@2983: import org.gwtopenmaps.openlayers.client.layer.Layer;
christian@5612: import org.gwtopenmaps.openlayers.client.layer.TransitionEffect;
christian@2983: import org.gwtopenmaps.openlayers.client.layer.Vector;
christian@2983: import org.gwtopenmaps.openlayers.client.layer.WMS;
christian@2983: import org.gwtopenmaps.openlayers.client.layer.WMSOptions;
christian@2983: import org.gwtopenmaps.openlayers.client.layer.WMSParams;
ingo@796: 
gernotbelger@9483: import com.google.gwt.core.client.GWT;
gernotbelger@9483: import com.google.gwt.user.client.rpc.AsyncCallback;
gernotbelger@9483: import com.google.gwt.user.client.ui.AbsolutePanel;
gernotbelger@9483: import com.smartgwt.client.util.SC;
gernotbelger@9483: import com.smartgwt.client.widgets.Canvas;
gernotbelger@9483: import com.smartgwt.client.widgets.events.ParentMovedEvent;
gernotbelger@9483: import com.smartgwt.client.widgets.events.ParentMovedHandler;
gernotbelger@9483: import com.smartgwt.client.widgets.events.ResizedEvent;
gernotbelger@9483: import com.smartgwt.client.widgets.events.ResizedHandler;
gernotbelger@9483: import com.smartgwt.client.widgets.layout.HLayout;
gernotbelger@9483: import com.smartgwt.client.widgets.layout.VLayout;
gernotbelger@9483: import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
gernotbelger@9483: import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
ingo@796: 
gernotbelger@9483: public class MapOutputTab extends OutputTab implements RedrawRequestHandler, ExternalWMSWindow.LayerLoader, TabSelectedHandler, OutputParameterChangeHandler {
ingo@796: 
ingo@823:     public static final String DEFAULT_SRID = "4326";
ingo@823: 
ingo@825:     public static final String BARRIERS_PARAMETER_KEY = "uesk.barriers";
ingo@825: 
ingo@1269:     public static final String WSPLGEN_FACET = "floodmap.wsplgen";
ingo@1269: 
ingo@1414:     public static final String EXTERNAL_WMS_FACTORY = "externalwmsfactory";
ingo@1414: 
gernotbelger@9483:     protected StepForwardServiceAsync feedService = GWT.create(StepForwardService.class);
ingo@825: 
gernotbelger@9483:     protected MapOutputServiceAsync mapService = GWT.create(MapOutputService.class);
ingo@1365: 
ingo@1414:     /** Service handle to clone and add artifacts to collection. */
gernotbelger@9483:     protected LoadArtifactServiceAsync loadArtifactService = GWT.create(LoadArtifactService.class);
ingo@1414: 
ingo@1415:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@1415: 
ingo@825:     protected MapToolbar controlPanel;
ingo@806:     protected ThemePanel themePanel;
gernotbelger@9483:     protected Canvas themePanelCanvas;
gernotbelger@9483:     protected MapWidget mapPanel;
christian@3347:     protected Canvas mapPanelCanvas;
christian@4402:     protected VLayout rootLayout = new VLayout();
christian@4402:     protected AbsolutePanel absPan = new AbsolutePanel();
ingo@797:     protected FloodMap floodMap;
ingo@796: 
gernotbelger@9561:     private boolean cancel = false;
gernotbelger@9561: 
gernotbelger@9483:     private final java.util.Map<String, String> wmsUrls = new HashMap<String, String>();
gernotbelger@9483: 
gernotbelger@9483:     public MapOutputTab(final String title, final Collection collection, final OutputMode mode, final CollectionView collectionView) {
ingo@1364:         super(title, collection, collectionView, mode);
ingo@796: 
raimund@1542:         collectionView.registerTabHandler(this);
raimund@1542: 
gernotbelger@9483:         this.mapService.doOut(collection, new AsyncCallback<MapConfig>() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onFailure(final Throwable caught) {
gernotbelger@9483:                 GWT.log("MAP ERROR: " + caught.getMessage());
gernotbelger@9483:             }
gernotbelger@9483: 
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onSuccess(final MapConfig c) {
gernotbelger@9483:                 GWT.log("MAP SUCCESS!");
gernotbelger@9483: 
gernotbelger@9561:                 if (!MapOutputTab.this.cancel) {
gernotbelger@9561:                     final Bounds max = boundsFromString(c.getMaxExtent());
gernotbelger@9561:                     Bounds initial = boundsFromString(c.getInitialExtent());
ingo@1365: 
gernotbelger@9561:                     if (initial == null) {
gernotbelger@9561:                         GWT.log("Warning: No initial extent set.");
gernotbelger@9561:                         initial = max;
gernotbelger@9561:                     }
ingo@1376: 
gernotbelger@9561:                     setFloodmap(new FloodMap(c.getSrid(), max, 640, 480));
ingo@1376: 
gernotbelger@9561:                     initLayout();
gernotbelger@9561: 
gernotbelger@9561:                     initBarriers();
gernotbelger@9561: 
gernotbelger@9561:                     GWT.log("MAX EXTENT: " + max);
gernotbelger@9561:                     GWT.log("ZOOM TO: " + initial);
gernotbelger@9561:                     getMap().zoomToExtent(initial);
gernotbelger@9561:                 }
ingo@1365:             }
gernotbelger@9483:         });
ingo@796:     }
ingo@796: 
gernotbelger@9561:     public void cancelMapService() {
gernotbelger@9561: 
gernotbelger@9561:         this.cancel = true;
gernotbelger@9561: 
gernotbelger@9561:         // if (this.floodMap != null)
gernotbelger@9561:         // this.floodMap.destroy();
gernotbelger@9561:     }
gernotbelger@9561: 
ingo@796:     protected void initLayout() {
gernotbelger@9483:         this.rootLayout.setHeight100();
gernotbelger@9483:         this.rootLayout.setWidth100();
gernotbelger@9483:         this.rootLayout.setMembersMargin(2);
ingo@797: 
gernotbelger@9483:         final HLayout hlayout = new HLayout();
christian@4402:         hlayout.setMembersMargin(0);
ingo@798: 
christian@2983:         this.themePanelCanvas = createThemePanel();
raimund@1386: 
gernotbelger@9483:         this.controlPanel = createControlPanel();
gernotbelger@9483:         this.mapPanel = this.floodMap.getMapWidget();
ingo@798: 
gernotbelger@9483:         this.rootLayout.addMember(this.controlPanel);
gernotbelger@9483:         this.rootLayout.addMember(this.absPan);
gernotbelger@9483:         this.absPan.setWidth("100%");
gernotbelger@9483:         this.absPan.setHeight("100%");
gernotbelger@9483:         this.absPan.add(this.themePanelCanvas);
gernotbelger@9483:         this.absPan.add(this.mapPanel);
ingo@798: 
gernotbelger@9483:         this.rootLayout.addResizedHandler(new ResizedHandler() {
christian@2983:             @Override
gernotbelger@9483:             public void onResized(final ResizedEvent e) {
christian@4402:                 doLayout();
ingo@798:             }
ingo@798:         });
ingo@798: 
gernotbelger@9483:         this.rootLayout.addParentMovedHandler(new ParentMovedHandler() {
christian@4570:             @Override
gernotbelger@9483:             public void onParentMoved(final ParentMovedEvent event) {
gernotbelger@9483:                 MapOutputTab.this.mapPanel.getMap().updateSize();
christian@4570:             }
christian@4570:         });
christian@4570: 
gernotbelger@9483:         setPane(this.rootLayout);
ingo@797:     }
ingo@797: 
christian@4402:     protected void doLayout() {
gernotbelger@9483:         if (!this.rootLayout.isVisible()) {
christian@4402:             return;
christian@4402:         }
christian@4402: 
tom@8856:         // Manually set the height of the AbsolutePanel,
tom@8856:         // somehow this is necessary
gernotbelger@9483:         this.absPan.setHeight(String.valueOf(this.rootLayout.getHeight() - this.controlPanel.getHeight() - 2) + "px");
christian@4402: 
christian@4402:         // Calculate bounds of Map
gernotbelger@9483:         final int height = this.rootLayout.getHeight() - this.controlPanel.getHeight() - 6;
gernotbelger@9483:         final int width = this.controlPanel.getWidth() - (this.themePanelCanvas.isVisible() ? this.themePanelCanvas.getWidth() + 4 : 2);
christian@4402: 
christian@4402:         // Set size and position of Map
gernotbelger@9483:         final String w = String.valueOf(width) + "px";
gernotbelger@9483:         final String h = String.valueOf(height) + "px";
christian@4402:         GWT.log("width=" + w);
christian@4402: 
gernotbelger@9483:         this.mapPanel.setSize(w, h);
gernotbelger@9483:         this.mapPanel.getMap().updateSize();
gernotbelger@9483:         if (this.themePanelCanvas.isVisible()) {
gernotbelger@9483:             this.absPan.setWidgetPosition(this.mapPanel, this.themePanelCanvas.getWidth() + 2, 0);
gernotbelger@9483:         } else {
gernotbelger@9483:             this.absPan.setWidgetPosition(this.mapPanel, 0, 0);
christian@4402:         }
christian@4402: 
christian@4402:         // Set bounds of ThemePanelCanvas
gernotbelger@9483:         this.themePanelCanvas.setSize(this.themePanelCanvas.getWidthAsString(), String.valueOf(height + 2) + "px");
christian@4402:     }
christian@4402: 
ingo@825:     protected void initBarriers() {
gernotbelger@9483:         final Vector vector = this.floodMap.getBarrierLayer();
gernotbelger@9483:         vector.addVectorFeatureAddedListener(new VectorFeatureAddedListener() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onFeatureAdded(final FeatureAddedEvent e) {
gernotbelger@9483:                 saveBarriers();
ingo@825:             }
gernotbelger@9483:         });
ingo@825: 
gernotbelger@9483:         vector.addVectorFeatureRemovedListener(new VectorFeatureRemovedListener() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onFeatureRemoved(final FeatureRemovedEvent e) {
gernotbelger@9483:                 saveBarriers();
ingo@825:             }
gernotbelger@9483:         });
ingo@825: 
gernotbelger@9483:         final Artifact artifact = getArtifact();
ingo@825: 
ingo@825:         if (artifact == null) {
ingo@825:             return;
ingo@825:         }
ingo@825: 
gernotbelger@9483:         final ArtifactDescription desc = artifact.getArtifactDescription();
ingo@825: 
ingo@825:         String geojson = getGeoJSONFromStatic(desc);
tom@8856:         geojson = geojson != null ? geojson : getGeoJSONFromDynamic(desc);
ingo@825: 
ingo@825:         if (geojson == null || geojson.length() == 0) {
ingo@825:             GWT.log("No geojson string found -> no barriers existing.");
ingo@825:             return;
ingo@825:         }
ingo@825: 
gernotbelger@9483:         final GeoJSON reader = new GeoJSON();
gernotbelger@9483:         final VectorFeature[] features = reader.read(geojson);
ingo@825: 
ingo@825:         vector.addFeatures(features);
ingo@825:     }
ingo@825: 
gernotbelger@9483:     public void addLayer(final Theme newTheme) {
ingo@825: 
gernotbelger@9483:         final Layer layer = createWMSLayer(newTheme);
gernotbelger@9483: 
gernotbelger@9483:         final FloodMap map = getFloodmap();
ingo@1382: 
ingo@1382:         if (map != null) {
ingo@1382:             GWT.log("Add new layer '" + layer.getName() + "' to map.");
ingo@1382:             map.addLayer(layer);
aheinecke@5793:             if (layer instanceof WMS) {
gernotbelger@9483:                 this.wmsUrls.put(layer.getName(), ((WMS) layer).getFullRequestString(new WMSParams(), null));
aheinecke@5793:             }
ingo@1382:         }
ingo@1382:     }
ingo@1382: 
gernotbelger@9483:     public void removeLayer(final Theme theme) {
ingo@1382: 
gernotbelger@9483:         final String layerId = getLayerId(theme);
ingo@1382: 
gernotbelger@9483:         final Map map = getMap();
gernotbelger@9483: 
gernotbelger@9483:         final Layer[] layers = map.getLayers();
gernotbelger@9483: 
gernotbelger@9483:         for (final Layer layer : layers) {
gernotbelger@9483:             if (layerId.equals(layer.getName())) {
ingo@1382:                 map.removeLayer(layer);
ingo@1382:             }
ingo@1382:         }
ingo@1382:     }
ingo@1382: 
ingo@1364:     @Override
gernotbelger@9483:     public void onRedrawRequest(final RedrawRequestEvent event) {
gernotbelger@9483:         this.mapService.doOut(this.collection, new AsyncCallback<MapConfig>() {
christian@2983:             @Override
gernotbelger@9483:             public void onFailure(final Throwable caught) {
ingo@1382:                 GWT.log("MAP ERROR: " + caught.getMessage());
ingo@1382:             }
ingo@1382: 
christian@2983:             @Override
gernotbelger@9483:             public void onSuccess(final MapConfig c) {
ingo@1397:                 GWT.log("We want to refresh the map now!");
gernotbelger@9483:                 MapOutputTab.this.themePanel.updateCollection();
ingo@1397:                 getFloodmap().update();
ingo@1382:             }
ingo@1382:         });
ingo@1364:     }
ingo@1364: 
ingo@1412:     @Override
gernotbelger@9483:     public void load(final List<WMSLayer> toLoad) {
ingo@1412:         GWT.log("The user wants to add " + toLoad.size() + " new WMS layers.");
ingo@1414: 
gernotbelger@9483:         final int len = toLoad.size();
ingo@1414: 
gernotbelger@9483:         final Recommendation[] recom = new Recommendation[len];
ingo@1414: 
ingo@1414:         for (int i = 0; i < len; i++) {
gernotbelger@9483:             final WMSLayer w = toLoad.get(i);
ingo@1414: 
gernotbelger@9483:             final String ids = w.getServer() + ";" + w.getName() + ";" + w.getTitle();
ingo@1414:             recom[i] = new Recommendation(EXTERNAL_WMS_FACTORY, ids);
ingo@1414:         }
ingo@1414: 
gernotbelger@9483:         final Collection c = getCollection();
ingo@1414: 
gernotbelger@9483:         final Config config = Config.getInstance();
gernotbelger@9483:         final String locale = config.getLocale();
ingo@1414: 
gernotbelger@9483:         this.loadArtifactService.loadMany(c, recom, EXTERNAL_WMS_FACTORY, locale, new AsyncCallback<Artifact[]>() {
gernotbelger@9483: 
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onFailure(final Throwable throwable) {
gernotbelger@9483:                 SC.warn(MapOutputTab.this.MSG.getString(throwable.getMessage()));
ingo@1414:             }
gernotbelger@9483: 
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onSuccess(final Artifact[] newArtifacts) {
gernotbelger@9483:                 getThemePanel().updateCollection();
gernotbelger@9483:             }
gernotbelger@9483:         });
ingo@1412:     }
ingo@1412: 
gernotbelger@9483:     protected void setFloodmap(final FloodMap floodMap) {
ingo@1376:         this.floodMap = floodMap;
ingo@1376:     }
ingo@1376: 
ingo@1397:     protected FloodMap getFloodmap() {
gernotbelger@9483:         return this.floodMap;
ingo@1397:     }
ingo@1397: 
ingo@1306:     protected Map getMap() {
gernotbelger@9483:         return this.floodMap.getMap();
ingo@1306:     }
ingo@1306: 
ingo@1382:     protected ThemePanel getThemePanel() {
gernotbelger@9483:         return this.themePanel;
ingo@1382:     }
ingo@1382: 
gernotbelger@9483:     protected String getGeoJSONFromDynamic(final ArtifactDescription desc) {
gernotbelger@9483:         final DataList list = desc.getCurrentData();
ingo@825: 
ingo@835:         if (list == null) {
ingo@835:             return null;
ingo@835:         }
ingo@835: 
gernotbelger@9483:         final List<Data> datas = list.getAll();
gernotbelger@9483:         for (final Data data : datas) {
gernotbelger@9483:             final String key = data.getLabel();
ingo@825: 
ingo@825:             if (key != null && key.equals(BARRIERS_PARAMETER_KEY)) {
gernotbelger@9483:                 final DataItem def = data.getDefault();
ingo@825: 
ingo@825:                 if (def != null) {
ingo@825:                     return def.getStringValue();
ingo@825:                 }
ingo@825:             }
ingo@825:         }
ingo@825: 
ingo@825:         return null;
ingo@825:     }
ingo@825: 
gernotbelger@9483:     protected String getGeoJSONFromStatic(final ArtifactDescription desc) {
ingo@825:         // TODO Implement this method, if there are reachable states right after
ingo@825:         // the floodmap state - which is currently not the case.
ingo@825:         return null;
ingo@825:     }
ingo@825: 
ingo@823:     public ThemeList getThemeList() {
gernotbelger@9483:         return this.collection.getThemeList(this.mode.getName());
ingo@823:     }
ingo@823: 
ingo@823:     public String getSrid() {
gernotbelger@9483:         final ThemeList themeList = getThemeList();
ingo@823: 
gernotbelger@9483:         final int num = themeList.getThemeCount();
ingo@823: 
ingo@823:         for (int i = 1; i <= num; i++) {
gernotbelger@9483:             final AttributedTheme theme = (AttributedTheme) themeList.getThemeAt(i);
ingo@835: 
ingo@835:             if (theme == null) {
ingo@835:                 continue;
ingo@835:             }
ingo@835: 
gernotbelger@9483:             final String srid = theme.getAttr("srid");
ingo@823: 
ingo@823:             if (srid != null && srid.length() > 0) {
ingo@823:                 return srid;
ingo@823:             }
ingo@823:         }
ingo@823: 
ingo@823:         return DEFAULT_SRID;
ingo@823:     }
ingo@823: 
gernotbelger@9483:     protected Bounds boundsFromString(final String bounds) {
ingo@1376:         GWT.log("Create Bounds from String: '" + bounds + "'");
ingo@806:         if (bounds == null || bounds.length() == 0) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
gernotbelger@9483:         final String[] values = bounds.split(" ");
ingo@806: 
ingo@806:         if (values == null || values.length < 4) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
ingo@806:         try {
gernotbelger@9483:             return new Bounds(Double.valueOf(values[0]), Double.valueOf(values[1]), Double.valueOf(values[2]), Double.valueOf(values[3]));
ingo@806:         }
gernotbelger@9483:         catch (final NumberFormatException nfe) {
gernotbelger@9483:         }
ingo@806: 
ingo@806:         return null;
ingo@806:     }
ingo@806: 
gernotbelger@9483:     private Layer createWMSLayer(final Theme theme) {
teichmann@4752:         if (!(theme instanceof AttributedTheme)) {
ingo@806:             return null;
ingo@806:         }
ingo@806: 
gernotbelger@9483:         final AttributedTheme at = (AttributedTheme) theme;
ingo@806: 
gernotbelger@9483:         // final String desc = at.getAttr("description");
gernotbelger@9483:         final String url = at.getAttr("url");
gernotbelger@9483:         final String layers = at.getAttr("layers");
gernotbelger@9483: 
gernotbelger@9483:         final String layerId = getLayerId(theme);
ingo@806: 
ingo@806:         if (url == null || layers == null) {
ingo@806:             return null;
ingo@806:         }
ingo@797: 
gernotbelger@9483:         final WMSParams params = new WMSParams();
ingo@797:         params.setLayers(layers);
ingo@797:         params.setFormat("image/png");
ingo@806:         params.setIsTransparent(true);
ingo@797: 
gernotbelger@9483:         final WMSOptions opts = new WMSOptions();
gernotbelger@9483: 
ingo@823:         opts.setProjection("EPSG:" + getSrid());
ingo@823:         opts.setSingleTile(true);
ingo@823:         opts.setRatio(1);
rrenkert@5032:         if (layers.equals("OSM-WMS-Dienst")) {
gernotbelger@9483:             opts.setAttribution(this.MSG.attribution());
christian@5612:             opts.setSingleTile(true);
christian@5612:             opts.setTransitionEffect(TransitionEffect.RESIZE);
rrenkert@5032:         }
gernotbelger@9483:         final WMS wms = new WMS(layerId, url, params, opts);
ingo@806:         wms.setIsVisible(at.getActive() == 1);
ingo@806:         wms.setIsBaseLayer(false);
aheinecke@5793:         // We can't set the full_url attribute here because map is not set
aheinecke@5793:         // at.addAttr("full_url", wms.getFullRequestString(params, null));
ingo@806:         return wms;
ingo@797:     }
ingo@797: 
gernotbelger@9483:     private String getLayerId(final Theme theme) {
ingo@797: 
gernotbelger@9483:         final AttributedTheme at = (AttributedTheme) theme;
gernotbelger@9483: 
gernotbelger@9483:         final String name = at.getAttr("name");
gernotbelger@9483:         final String layers = at.getAttr("layers");
gernotbelger@9483: 
gernotbelger@9483:         return name + "_" + layers;
christian@4739:     }
christian@4739: 
raimund@1386:     protected MapToolbar createControlPanel() {
gernotbelger@9483:         return new MapToolbar(this, this.floodMap, false);
ingo@796:     }
ingo@796: 
ingo@796:     protected Canvas createThemePanel() {
gernotbelger@9483:         final Canvas c = new Canvas();
ingo@1327:         c.setMinWidth(300);
ingo@4330:         c.setWidth(200);
ingo@796:         c.setHeight100();
ingo@1327:         c.setCanDragResize(true);
ingo@797:         c.setBorder("1px solid black");
ingo@796: 
gernotbelger@9483:         this.themePanel = new MapThemePanel(this.getCollectionView(), this.mode, this, new MapThemePanel.ActivateCallback() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void activate(final Theme theme, final boolean active) {
gernotbelger@9483:                 fireActivateTheme(theme, active);
gernotbelger@9483:             }
gernotbelger@9483:         }, new MapThemePanel.ThemeMovedCallback() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onThemeMoved(final Theme theme, final int oldIdx, final int newIdx) {
gernotbelger@9483:                 // this code synchronizes the ThemePanel and the OpenLayers
gernotbelger@9483:                 // internal order of layers.
gernotbelger@9483:                 final AttributedTheme at = (AttributedTheme) theme;
ingo@1306: 
gernotbelger@9483:                 final String layerId = getLayerId(theme);
ingo@1306: 
gernotbelger@9483:                 final Map map = getMap();
gernotbelger@9483:                 final Layer[] layers = map.getLayersByName(layerId);
gernotbelger@9483: 
gernotbelger@9483:                 if (layers == null || layers.length == 0) {
gernotbelger@9483:                     GWT.log("Error: Cannot find layer '" + layerId + "'");
gernotbelger@9483:                     return;
ingo@1306:                 }
ingo@1377: 
gernotbelger@9483:                 map.raiseLayer(layers[0], (newIdx - oldIdx) * -1);
gernotbelger@9483:                 map.zoomTo(map.getZoom() - 1);
gernotbelger@9483:                 map.zoomTo(map.getZoom() + 1);
gernotbelger@9483:             }
gernotbelger@9483:         }, new MapThemePanel.LayerZoomCallback() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onLayerZoom(final Theme theme, final String extent) {
gernotbelger@9483:                 final Bounds zoomTo = boundsFromString(extent);
ingo@1377: 
gernotbelger@9483:                 if (zoomTo == null) {
gernotbelger@9483:                     GWT.log("WARNING: No valid bounds for zooming found!");
gernotbelger@9483:                     return;
ingo@1377:                 }
gernotbelger@9483: 
gernotbelger@9483:                 getMap().zoomToExtent(zoomTo);
ingo@1306:             }
gernotbelger@9483:         });
gernotbelger@9483:         this.themePanel.addRedrawRequestHandler(this);
gernotbelger@9483:         this.themePanel.addOutputParameterChangeHandler(this);
gernotbelger@9483:         c.addChild(this.themePanel);
ingo@796: 
ingo@796:         return c;
ingo@796:     }
ingo@806: 
gernotbelger@9483:     private void fireActivateTheme(final Theme theme, final boolean active) {
ingo@4329:         activateTheme(theme, active);
ingo@4329:     }
ingo@4329: 
gernotbelger@9483:     protected void activateTheme(final Theme theme, final boolean active) {
ingo@1403: 
gernotbelger@9483:         final String layerId = getLayerId(theme);
ingo@806: 
gernotbelger@9483:         final Layer layer = this.floodMap.getMap().getLayerByName(layerId);
gernotbelger@9483: 
gernotbelger@9483:         GWT.log("Set visibility of '" + layerId + "': " + active);
ingo@1382: 
ingo@806:         if (layer != null) {
ingo@806:             layer.setIsVisible(active);
ingo@806:         }
ingo@806:     }
ingo@825: 
ingo@825:     protected void saveBarriers() {
gernotbelger@9483:         final Vector layer = this.floodMap.getBarrierLayer();
ingo@825: 
gernotbelger@9483:         final GeoJSON format = new GeoJSON();
gernotbelger@9483:         final String features = format.write(layer.getFeatures());
ingo@825: 
gernotbelger@9483:         final DataItem item = new DefaultDataItem(BARRIERS_PARAMETER_KEY, BARRIERS_PARAMETER_KEY, features);
ingo@825: 
gernotbelger@9483:         final Data data = new DefaultData(BARRIERS_PARAMETER_KEY, BARRIERS_PARAMETER_KEY, "String", new DataItem[] { item });
gernotbelger@9483: 
gernotbelger@9483:         final Config config = Config.getInstance();
gernotbelger@9483:         final String locale = config.getLocale();
gernotbelger@9483: 
gernotbelger@9483:         this.feedService.go(locale, getArtifact(), new Data[] { data }, new AsyncCallback<Artifact>() {
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onFailure(final Throwable caught) {
gernotbelger@9483:                 GWT.log("Could not save barrier geometries: " + caught.getMessage());
ingo@825:             }
gernotbelger@9483: 
gernotbelger@9483:             @Override
gernotbelger@9483:             public void onSuccess(final Artifact artifact) {
gernotbelger@9483:                 GWT.log("Successfully saved barrier geometries.");
gernotbelger@9483:             }
gernotbelger@9483:         });
ingo@825:     }
raimund@1542: 
christian@2983:     @Override
gernotbelger@9483:     public void onTabSelected(final TabSelectedEvent tse) {
gernotbelger@9483:         if (this.floodMap == null) {
raimund@1542:             return;
raimund@1542:         }
gernotbelger@9483:         if (this.equals(tse.getTab())) {
gernotbelger@9483:             this.floodMap.activateScaleLine(true);
gernotbelger@9483:         } else {
gernotbelger@9483:             this.controlPanel.activateMeasureControl(false);
gernotbelger@9483:             this.floodMap.activateScaleLine(false);
raimund@1542:         }
raimund@1542:     }
christian@2983: 
christian@2983:     public void toogleThemePanel() {
gernotbelger@9483:         this.themePanelCanvas.setVisible(!this.themePanelCanvas.isVisible());
christian@4402: 
christian@4402:         // Trigger resize event handler
christian@4402:         doLayout();
christian@2983:     }
ingo@4329: 
ingo@4329:     @Override
gernotbelger@9483:     public void onOutputParameterChanged(final OutputParameterChangeEvent evt) {
ingo@4329:         GWT.log("OutputParameterChanged");
gernotbelger@9483:         this.controlPanel.updateThemes(getThemePanel().getThemeList());
ingo@4329:     }
gernotbelger@9483: 
gernotbelger@9483:     public String getWMSUrl(final Theme theme) {
gernotbelger@9483:         final String layerId = getLayerId(theme);
gernotbelger@9483:         return this.wmsUrls.get(layerId);
gernotbelger@9483:     }
gernotbelger@9483: }