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;
ingo@833: 
ingo@833: import com.google.gwt.core.client.GWT;
ingo@833: import com.google.gwt.user.client.rpc.AsyncCallback;
christian@4062: import com.smartgwt.client.types.VerticalAlignment;
ingo@833: import com.smartgwt.client.util.SC;
christian@4062: import com.smartgwt.client.widgets.Canvas;
raimund@2494: import com.smartgwt.client.widgets.Label;
christian@5538: import com.smartgwt.client.widgets.events.ParentMovedEvent;
christian@5538: import com.smartgwt.client.widgets.events.ParentMovedHandler;
christian@5538: import com.smartgwt.client.widgets.events.ResizedEvent;
christian@5538: import com.smartgwt.client.widgets.events.ResizedHandler;
christian@4062: import com.smartgwt.client.widgets.events.VisibilityChangedEvent;
raimund@1389: import com.smartgwt.client.widgets.events.VisibilityChangedHandler;
christian@4062: import com.smartgwt.client.widgets.layout.VLayout;
christian@4062: import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
christian@4062: import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
ingo@833: 
teichmann@5835: import org.dive4elements.river.client.client.Config;
teichmann@5835: import org.dive4elements.river.client.client.FLYS;
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.client.services.MapInfoService;
teichmann@5835: import org.dive4elements.river.client.client.services.MapInfoServiceAsync;
teichmann@5835: import org.dive4elements.river.client.client.ui.map.FloodMap;
teichmann@5835: import org.dive4elements.river.client.client.ui.map.MapPanel;
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.MapInfo;
ingo@833: 
christian@5538: import java.util.List;
christian@5538: 
christian@5538: import org.gwtopenmaps.openlayers.client.Map;
christian@5538: import org.gwtopenmaps.openlayers.client.control.Attribution;
christian@5612: import org.gwtopenmaps.openlayers.client.layer.TransitionEffect;
christian@5538: import org.gwtopenmaps.openlayers.client.layer.WMS;
christian@5538: import org.gwtopenmaps.openlayers.client.layer.WMSOptions;
christian@5538: import org.gwtopenmaps.openlayers.client.layer.WMSParams;
christian@5538: 
ingo@833: 
raimund@915: public class DigitizePanel
raimund@915: extends SelectProvider
raimund@1389: implements TabSelectedHandler, VisibilityChangedHandler {
ingo@833: 
christian@4131:     private static final long serialVersionUID = 3529775660871273314L;
christian@4131: 
ingo@833:     protected MapInfoServiceAsync mapInfo = GWT.create(MapInfoService.class);
ingo@833: 
ingo@833:     protected FloodMap floodMap;
ingo@833: 
raimund@1389:     protected MapPanel mapPanel;
ingo@833: 
ingo@833:     public static final String UESK_BARRIERS = "uesk.barriers";
ingo@833: 
christian@4801:     /** The message class that provides i18n strings. */
christian@4801:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@833: 
ingo@833:     public DigitizePanel() {
ingo@833:     }
ingo@833: 
ingo@833: 
ingo@833:     @Override
ingo@833:     public Canvas create(DataList list) {
raimund@1389:         helperContainer.addVisibilityChangedHandler(this);
raimund@1389: 
ingo@872:         DataList clone = (DataList) list.clone();
ingo@872:         List<Data> all = clone.getAll();
ingo@872:         all.remove(UESK_BARRIERS);
ingo@872: 
rrenkert@5312:         Canvas widget = createWidget(list);
ingo@833: 
ingo@833:         final Config cfg    = Config.getInstance();
ingo@833:         final String locale = cfg.getLocale();
ingo@833: 
ingo@873:         String river = getDataValue("state.winfo.river", "river");
raimund@1425:         mapInfo.getMapInfo(locale, river, new AsyncCallback<MapInfo>() {
christian@4062:             @Override
ingo@833:             public void onFailure(Throwable caught) {
ingo@833:                 String msg = caught.getMessage();
ingo@833: 
ingo@833:                 GWT.log("Error while fetching MapInfo: " + msg);
christian@4801:                 SC.warn(FLYS.getExceptionString(MSG, caught));
ingo@833:             }
ingo@833: 
christian@4062:             @Override
ingo@833:             public void onSuccess(MapInfo info) {
rrenkert@5312:                 createMapWidget(info);
ingo@833:             }
ingo@833:         });
ingo@833: 
rrenkert@5312:         return widget;
ingo@833:     }
ingo@833: 
ingo@833: 
raimund@2494:     /**
raimund@2494:      * This method creates the content of the widget.
raimund@2494:      *
raimund@2494:      * @param data The {@link DataList} object.
raimund@2494:      *
raimund@2494:      * @return a combobox.
raimund@2494:      */
christian@4062:     @Override
raimund@2494:     protected Canvas createWidget(DataList data) {
raimund@2494:         GWT.log("DigitizePanel - createWidget()");
raimund@2494: 
christian@5612:         VLayout layout = new VLayout();
raimund@2494:         layout.setAlign(VerticalAlignment.TOP);
raimund@2494:         layout.setHeight(25);
raimund@2494: 
raimund@2494:         int size = data.size();
raimund@2494: 
raimund@2494:         for (int i = 0; i < size; i++) {
raimund@2494:             Data d = data.get(i);
raimund@2494: 
raimund@2494:             Label label = new Label(d.getDescription());
raimund@2494:             label.setValign(VerticalAlignment.TOP);
raimund@2494:             label.setHeight(20);
raimund@2494:             label.setWidth(400);
raimund@2494: 
raimund@2494:             layout.addMember(label);
christian@4574:             layout.addMember(getNextButton());
raimund@2494:         }
raimund@2494: 
raimund@2494:         layout.setAlign(VerticalAlignment.TOP);
raimund@2494: 
raimund@2494:         return layout;
raimund@2494:     }
raimund@2494: 
raimund@2494: 
ingo@833:     @Override
ingo@833:     protected Data[] getData() {
christian@5612:         final Data[] total = new Data[1];
ingo@833: 
christian@4062:         if (floodMap != null) {
christian@4062:             DataItem item = new DefaultDataItem(
christian@4062:                 UESK_BARRIERS, UESK_BARRIERS, floodMap.getFeaturesAsGeoJSON());
rrenkert@5312:             total[0] = new DefaultData(
christian@4062:                 UESK_BARRIERS, null, null, new DataItem[] { item });
christian@4062:         }
christian@4062:         else {
christian@4062:             // Happens when OpenLayers is missing
christian@4062:             GWT.log("floodMap is null -> OpenLayers missing?");
christian@4062:         }
ingo@833: 
ingo@833:         return total;
ingo@833:     }
ingo@833: 
ingo@833: 
rrenkert@5312:     public void createMapWidget(MapInfo mapInfo) {
raimund@1389:         mapPanel = new MapPanel(mapInfo, true);
ingo@833: 
ingo@833:         floodMap = mapPanel.getFloodMap();
ingo@833:         Map map  = floodMap.getMap();
ingo@833: 
christian@5538:         helperContainer.addResizedHandler(new ResizedHandler() {
christian@5538:             @Override
christian@5538:             public void onResized(ResizedEvent event) {
tom@8856:                 mapPanel.doLayout(
tom@8856:                     helperContainer.getWidth(), helperContainer.getHeight());
christian@5538:             }
christian@5538:         });
christian@5538:         helperContainer.addParentMovedHandler(new ParentMovedHandler() {
christian@5538:             @Override
christian@5538:             public void onParentMoved(ParentMovedEvent event) {
christian@5612:                 mapPanel.getFloodMap().updateSize();
christian@5612:             }
christian@5612:         });
tom@8856:         helperContainer.addVisibilityChangedHandler(
tom@8856:             new VisibilityChangedHandler() {
christian@5612:             @Override
christian@5612:             public void onVisibilityChanged(VisibilityChangedEvent event) {
tom@8856:                 mapPanel.doLayout(
tom@8856:                     helperContainer.getWidth(), helperContainer.getHeight());
christian@5538:             }
christian@5538:         });
ingo@833:         helperContainer.addMember(mapPanel);
ingo@833: 
raimund@915:         parameterList.registerCollectionViewTabHandler(this);
raimund@915: 
ingo@833:         WMS axis = getLayer(
christian@4632:             mapInfo.getWmsUrl(), mapInfo.getWmsLayers(),
christian@5612:             mapInfo.getProjection(), false, true);
ingo@833:         WMS back = getLayer(
ingo@833:             mapInfo.getBackgroundWmsUrl(), mapInfo.getBackgroundWmsLayers(),
christian@5612:             mapInfo.getProjection(), false, false);
ingo@833: 
christian@4553:         map.addLayer(back);
ingo@833:         map.addLayer(axis);
ingo@833: 
rrenkert@5312:         String hws = getDataValue("state.winfo.uesk.dc-hws", "uesk.hws");
rrenkert@5312:         if (hws != null && hws.length() > 0) {
rrenkert@5312:             WMS hwsLayer = getLayer(
rrenkert@5312:             //TODO: Use Mapinfo to get hws layer infos.
rrenkert@5312:                 mapInfo.getWmsUrl().replace("river", "user"),
rrenkert@5312:                 "ms_layer-hws-lines" + artifact.getUuid(),
rrenkert@5312:                 mapInfo.getProjection(),
christian@5612:                 false, true);
rrenkert@5312:             map.addLayer(hwsLayer);
rrenkert@5312:         }
tom@8856:         String userRgd = getDataValue(
tom@8856:             "state.winfo.uesk.user-rgd", "uesk.user-rgd");
rrenkert@5312:         if (userRgd != null && userRgd.length() > 0) {
rrenkert@5312:             WMS userLayer = getLayer(
rrenkert@5312:             //TODO: Use Mapinfo to get hws layer infos.
rrenkert@5312:                 mapInfo.getWmsUrl().replace("river", "user"),
rrenkert@5312:                 "ms_layer-user-rgd" + artifact.getUuid(),
rrenkert@5312:                 mapInfo.getProjection(),
christian@5612:                 false, true);
rrenkert@5312:             map.addLayer(userLayer);
ingo@833:         }
rrenkert@5032:         map.addControl(new Attribution());
ingo@833:         map.zoomToMaxExtent();
christian@5612: 
tom@8856:         mapPanel.doLayout(
tom@8856:             helperContainer.getWidth(), helperContainer.getHeight());
ingo@833:     }
ingo@833: 
ingo@833: 
tom@8856:     protected WMS getLayer(
tom@8856:         String url,
tom@8856:         String layers,
tom@8856:         String proj,
tom@8856:         boolean isBaseLayer,
tom@8856:         boolean singleTiled
tom@8856:     ) {
christian@5612:         final WMSParams params = new WMSParams();
ingo@833:         params.setLayers(layers);
ingo@833:         params.setFormat("image/png");
christian@5612:         params.setIsTransparent(!isBaseLayer);
ingo@833: 
christian@5612:         final WMSOptions opts = new WMSOptions();
ingo@833:         opts.setProjection(proj);
christian@5612:         opts.setSingleTile(false); // FIXME: Make working...
christian@5612:         opts.setTransitionEffect(TransitionEffect.RESIZE);
ingo@833:         opts.setRatio(1);
ingo@1302:         opts.setBuffer(0);
rrenkert@5032:         if (layers.equals("OSM-WMS-Dienst")) {
rrenkert@5032:             opts.setAttribution(MSG.attribution());
rrenkert@5032:         }
christian@5612:         final WMS wms = new WMS(layers, url, params, opts);
ingo@833:         wms.setIsVisible(true);
christian@5612:         wms.setIsBaseLayer(isBaseLayer);
ingo@833: 
ingo@833:         return wms;
ingo@833:     }
raimund@915: 
raimund@915: 
christian@4062:     @Override
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:     }
raimund@1389: 
christian@4062:     @Override
raimund@1389:     public void onVisibilityChanged(VisibilityChangedEvent vce) {
raimund@1389:         if (!vce.getIsVisible()) {
raimund@1389:             floodMap.hideBarrierLayer();
raimund@1389:             mapPanel.getMapToolbar().activateDrawFeature(false);
raimund@1389:         }
raimund@1389:         else {
raimund@1389:             floodMap.showBarrierLayer();
raimund@1389:         }
raimund@1389:     }
ingo@833: }
ingo@833: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :