ingo@833: package de.intevation.flys.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@5008: 
christian@4062: import com.smartgwt.client.types.Encoding;
christian@4062: import com.smartgwt.client.types.VerticalAlignment;
ingo@833: import com.smartgwt.client.util.SC;
raimund@2494: import com.smartgwt.client.widgets.Button;
christian@4062: import com.smartgwt.client.widgets.Canvas;
christian@4062: import com.smartgwt.client.widgets.HTMLPane;
raimund@2494: import com.smartgwt.client.widgets.Label;
raimund@2494: import com.smartgwt.client.widgets.events.ClickEvent;
raimund@2494: import com.smartgwt.client.widgets.events.ClickHandler;
christian@4062: import com.smartgwt.client.widgets.events.VisibilityChangedEvent;
raimund@1389: import com.smartgwt.client.widgets.events.VisibilityChangedHandler;
raimund@2494: import com.smartgwt.client.widgets.form.DynamicForm;
raimund@2494: import com.smartgwt.client.widgets.form.fields.SelectItem;
christian@4062: import com.smartgwt.client.widgets.form.fields.UploadItem;
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: 
christian@4062: import de.intevation.flys.client.client.Config;
christian@4801: import de.intevation.flys.client.client.FLYS;
christian@4801: import de.intevation.flys.client.client.FLYSConstants;
christian@4062: import de.intevation.flys.client.client.services.MapInfoService;
christian@4062: import de.intevation.flys.client.client.services.MapInfoServiceAsync;
christian@4062: import de.intevation.flys.client.client.ui.map.FloodMap;
christian@4062: import de.intevation.flys.client.client.ui.map.MapPanel;
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: 
christian@4062: import java.util.LinkedHashMap;
christian@4062: import java.util.List;
christian@4062: 
christian@4062: import org.gwtopenmaps.openlayers.client.Map;
christian@4062: import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
christian@4062: import org.gwtopenmaps.openlayers.client.format.GeoJSON;
christian@4062: import org.gwtopenmaps.openlayers.client.layer.WMS;
christian@4062: import org.gwtopenmaps.openlayers.client.layer.WMSOptions;
christian@4062: import org.gwtopenmaps.openlayers.client.layer.WMSParams;
ingo@833: 
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) {
ingo@833:         List<Data> data = list.getAll();
ingo@833: 
raimund@1389:         helperContainer.addVisibilityChangedHandler(this);
raimund@1389: 
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 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");
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) {
ingo@833:                 createMapWidget(info, geojson[0]);
ingo@833:             }
ingo@833:         });
ingo@833: 
ingo@833:         return selectBox;
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: 
raimund@2494:         VLayout layout   = new VLayout();
raimund@2494:         layout.setAlign(VerticalAlignment.TOP);
raimund@2494:         layout.setHeight(25);
raimund@2494: 
christian@4131:         LinkedHashMap<String, String> initial = new LinkedHashMap<String, String>();
raimund@2494: 
raimund@2494:         form = new DynamicForm();
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:             SelectItem combobox = new SelectItem(d.getLabel());
raimund@2494:             combobox.setWidth(250);
raimund@2494: 
raimund@2494:             LinkedHashMap<String, String> it = new LinkedHashMap<String, String>();
raimund@2494: 
raimund@2494:             boolean  defaultSet = false;
raimund@2494:             boolean  first      = true;
raimund@2494: 
raimund@2494:             DataItem def      = d.getDefault();
raimund@2494:             String   defValue = def != null ? def.getStringValue() : null;
raimund@2494: 
raimund@2494:             if (defValue != null && defValue.length() > 0) {
raimund@2494:                 initial.put(d.getLabel(), def.getStringValue());
raimund@2494:                 defaultSet = true;
raimund@2494:             }
raimund@2494: 
raimund@2494:             for (DataItem item: d.getItems()) {
raimund@2494:                 if (!defaultSet && first) {
raimund@2494:                     initial.put(d.getLabel(), item.getStringValue());
raimund@2494:                     first = false;
raimund@2494:                 }
raimund@2494: 
raimund@2494:                 it.put(item.getStringValue(), item.getLabel());
raimund@2494:             }
raimund@2494: 
raimund@2494:             label.setWidth(50);
raimund@2494:             combobox.setValueMap(it);
raimund@2494:             combobox.setShowTitle(false);
raimund@2494:             form.setItems(combobox);
raimund@2494: 
christian@5008:             HTMLPane uploadTargetFrame = new HTMLPane();
christian@5008:             uploadTargetFrame.setWidth("200px");
christian@5008:             uploadTargetFrame.setHeight("50px");
christian@5008:             uploadTargetFrame.setContents(
christian@5008:                     "<iframe id='uploadTarget' name='uploadTarget' scrolling='no' width=200 height=50 style='border: 0px'></iframe>");
christian@5008:             uploadTargetFrame.setBorder("0px");
christian@5008:             uploadTargetFrame.setScrollbarSize(0);
raimund@2494: 
raimund@2494:             final DynamicForm uploadForm = new DynamicForm();
raimund@2494:             uploadForm.setAction("flys/fileupload?uuid=" + artifact.getUuid());
raimund@2494:             uploadForm.setTarget("uploadTarget");
raimund@2494:             uploadForm.setEncoding(Encoding.MULTIPART);
raimund@2494:             Label uploadLabel = new Label(MSG.shape_file_upload());
raimund@2494:             uploadLabel.setHeight(20);
raimund@2494:             UploadItem uploadItem = new UploadItem();
raimund@2494:             uploadItem.setShowTitle(false);
raimund@2494:             uploadForm.setFields(uploadItem);
raimund@2494:             Button submit = new Button(MSG.upload_file());
raimund@2494:             submit.addClickHandler(new ClickHandler() {
christian@4062:                 @Override
raimund@2494:                 public void onClick(ClickEvent e) {
raimund@2494:                     uploadForm.submitForm();
raimund@2494:                 }
raimund@2494:             });
christian@5008: 
raimund@2494:             layout.addMember(label);
raimund@2494:             layout.addMember(form);
raimund@2494:             layout.addMember(uploadLabel);
raimund@2494:             layout.addMember(uploadForm);
raimund@2494:             layout.addMember(submit);
christian@4574:             layout.addMember(getNextButton());
christian@5008: 
christian@5008:             layout.setMembersMargin(10);
christian@5008:             layout.addMember(uploadTargetFrame);
raimund@2494:         }
raimund@2494: 
raimund@2494:         form.setValues(initial);
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() {
ingo@833:         Data[] data  = super.getData();
ingo@833:         Data[] total = new Data[2];
ingo@833: 
christian@4062:         if (floodMap != null) {
christian@4062:             DataItem item = new DefaultDataItem(
christian@4062:                 UESK_BARRIERS, UESK_BARRIERS, floodMap.getFeaturesAsGeoJSON());
christian@4062:             total[0] = data[0];
christian@4062:             total[1] = 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: 
ingo@833:     public void createMapWidget(MapInfo mapInfo, String geojson) {
raimund@1389:         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: 
raimund@915:         parameterList.registerCollectionViewTabHandler(this);
raimund@915: 
ingo@833:         WMS axis = getLayer(
christian@4632:             mapInfo.getWmsUrl(), mapInfo.getWmsLayers(),
ingo@833:             mapInfo.getProjection(), false);
ingo@833:         WMS back = getLayer(
ingo@833:             mapInfo.getBackgroundWmsUrl(), mapInfo.getBackgroundWmsLayers(),
ingo@833:             mapInfo.getProjection(), false);
ingo@833: 
christian@4553:         map.addLayer(back);
ingo@833:         map.addLayer(axis);
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@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: 
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 :