Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/DigitizePanel.java @ 5818:a4ff4167be1e
Request feature info on all layers and show it as html if
the server does not return valid gml.
Non queryable layers produce an error message when the request
fails. This is good enough
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Wed, 24 Apr 2013 17:33:27 +0200 |
parents | 4f935415bb20 |
children |
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package de.intevation.flys.client.client.ui; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.rpc.AsyncCallback; import com.smartgwt.client.types.VerticalAlignment; import com.smartgwt.client.util.SC; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.Label; import com.smartgwt.client.widgets.events.ParentMovedEvent; import com.smartgwt.client.widgets.events.ParentMovedHandler; import com.smartgwt.client.widgets.events.ResizedEvent; import com.smartgwt.client.widgets.events.ResizedHandler; import com.smartgwt.client.widgets.events.VisibilityChangedEvent; import com.smartgwt.client.widgets.events.VisibilityChangedHandler; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.tab.events.TabSelectedEvent; import com.smartgwt.client.widgets.tab.events.TabSelectedHandler; import de.intevation.flys.client.client.Config; import de.intevation.flys.client.client.FLYS; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.services.MapInfoService; import de.intevation.flys.client.client.services.MapInfoServiceAsync; import de.intevation.flys.client.client.ui.map.FloodMap; import de.intevation.flys.client.client.ui.map.MapPanel; import de.intevation.flys.client.shared.model.Data; import de.intevation.flys.client.shared.model.DataItem; import de.intevation.flys.client.shared.model.DataList; import de.intevation.flys.client.shared.model.DefaultData; import de.intevation.flys.client.shared.model.DefaultDataItem; import de.intevation.flys.client.shared.model.MapInfo; import java.util.List; import org.gwtopenmaps.openlayers.client.Map; import org.gwtopenmaps.openlayers.client.control.Attribution; import org.gwtopenmaps.openlayers.client.layer.TransitionEffect; import org.gwtopenmaps.openlayers.client.layer.WMS; import org.gwtopenmaps.openlayers.client.layer.WMSOptions; import org.gwtopenmaps.openlayers.client.layer.WMSParams; public class DigitizePanel extends SelectProvider implements TabSelectedHandler, VisibilityChangedHandler { private static final long serialVersionUID = 3529775660871273314L; protected MapInfoServiceAsync mapInfo = GWT.create(MapInfoService.class); protected FloodMap floodMap; protected MapPanel mapPanel; public static final String UESK_BARRIERS = "uesk.barriers"; /** The message class that provides i18n strings. */ protected FLYSConstants MSG = GWT.create(FLYSConstants.class); public DigitizePanel() { } @Override public Canvas create(DataList list) { helperContainer.addVisibilityChangedHandler(this); DataList clone = (DataList) list.clone(); List<Data> all = clone.getAll(); all.remove(UESK_BARRIERS); Canvas widget = createWidget(list); final Config cfg = Config.getInstance(); final String locale = cfg.getLocale(); String river = getDataValue("state.winfo.river", "river"); mapInfo.getMapInfo(locale, river, new AsyncCallback<MapInfo>() { @Override public void onFailure(Throwable caught) { String msg = caught.getMessage(); GWT.log("Error while fetching MapInfo: " + msg); SC.warn(FLYS.getExceptionString(MSG, caught)); } @Override public void onSuccess(MapInfo info) { createMapWidget(info); } }); return widget; } /** * This method creates the content of the widget. * * @param data The {@link DataList} object. * * @return a combobox. */ @Override protected Canvas createWidget(DataList data) { GWT.log("DigitizePanel - createWidget()"); VLayout layout = new VLayout(); layout.setAlign(VerticalAlignment.TOP); layout.setHeight(25); int size = data.size(); for (int i = 0; i < size; i++) { Data d = data.get(i); Label label = new Label(d.getDescription()); label.setValign(VerticalAlignment.TOP); label.setHeight(20); label.setWidth(400); layout.addMember(label); layout.addMember(getNextButton()); } layout.setAlign(VerticalAlignment.TOP); return layout; } @Override protected Data[] getData() { final Data[] total = new Data[1]; if (floodMap != null) { DataItem item = new DefaultDataItem( UESK_BARRIERS, UESK_BARRIERS, floodMap.getFeaturesAsGeoJSON()); total[0] = new DefaultData( UESK_BARRIERS, null, null, new DataItem[] { item }); } else { // Happens when OpenLayers is missing GWT.log("floodMap is null -> OpenLayers missing?"); } return total; } public void createMapWidget(MapInfo mapInfo) { mapPanel = new MapPanel(mapInfo, true); floodMap = mapPanel.getFloodMap(); Map map = floodMap.getMap(); helperContainer.addResizedHandler(new ResizedHandler() { @Override public void onResized(ResizedEvent event) { mapPanel.doLayout(helperContainer.getWidth(), helperContainer.getHeight()); } }); helperContainer.addParentMovedHandler(new ParentMovedHandler() { @Override public void onParentMoved(ParentMovedEvent event) { mapPanel.getFloodMap().updateSize(); } }); helperContainer.addVisibilityChangedHandler(new VisibilityChangedHandler() { @Override public void onVisibilityChanged(VisibilityChangedEvent event) { mapPanel.doLayout(helperContainer.getWidth(), helperContainer.getHeight()); } }); helperContainer.addMember(mapPanel); parameterList.registerCollectionViewTabHandler(this); WMS axis = getLayer( mapInfo.getWmsUrl(), mapInfo.getWmsLayers(), mapInfo.getProjection(), false, true); WMS back = getLayer( mapInfo.getBackgroundWmsUrl(), mapInfo.getBackgroundWmsLayers(), mapInfo.getProjection(), false, false); map.addLayer(back); map.addLayer(axis); String hws = getDataValue("state.winfo.uesk.dc-hws", "uesk.hws"); if (hws != null && hws.length() > 0) { WMS hwsLayer = getLayer( //TODO: Use Mapinfo to get hws layer infos. mapInfo.getWmsUrl().replace("river", "user"), "ms_layer-hws-lines" + artifact.getUuid(), mapInfo.getProjection(), false, true); map.addLayer(hwsLayer); } String userRgd = getDataValue("state.winfo.uesk.user-rgd", "uesk.user-rgd"); if (userRgd != null && userRgd.length() > 0) { WMS userLayer = getLayer( //TODO: Use Mapinfo to get hws layer infos. mapInfo.getWmsUrl().replace("river", "user"), "ms_layer-user-rgd" + artifact.getUuid(), mapInfo.getProjection(), false, true); map.addLayer(userLayer); } map.addControl(new Attribution()); map.zoomToMaxExtent(); mapPanel.doLayout(helperContainer.getWidth(), helperContainer.getHeight()); } protected WMS getLayer(String url, String layers, String proj, boolean isBaseLayer, boolean singleTiled) { final WMSParams params = new WMSParams(); params.setLayers(layers); params.setFormat("image/png"); params.setIsTransparent(!isBaseLayer); final WMSOptions opts = new WMSOptions(); opts.setProjection(proj); opts.setSingleTile(false); // FIXME: Make working... opts.setTransitionEffect(TransitionEffect.RESIZE); opts.setRatio(1); opts.setBuffer(0); if (layers.equals("OSM-WMS-Dienst")) { opts.setAttribution(MSG.attribution()); } final WMS wms = new WMS(layers, url, params, opts); wms.setIsVisible(true); wms.setIsBaseLayer(isBaseLayer); return wms; } @Override public void onTabSelected(TabSelectedEvent tse) { if (tse.getTabNum () != 0) { floodMap.hideBarrierLayer(); } else { floodMap.showBarrierLayer(); } } @Override public void onVisibilityChanged(VisibilityChangedEvent vce) { if (!vce.getIsVisible()) { floodMap.hideBarrierLayer(); mapPanel.getMapToolbar().activateDrawFeature(false); } else { floodMap.showBarrierLayer(); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :