felix@867: package de.intevation.flys.client.client.ui;
felix@867: 
felix@914: import java.util.ArrayList;
felix@1273: import java.util.HashSet;
felix@1273: import java.util.List;
felix@914: import java.util.Map;
felix@914: import java.util.Set;
felix@914: 
felix@867: import com.google.gwt.core.client.GWT;
felix@914: import com.google.gwt.user.client.rpc.AsyncCallback;
felix@867: 
felix@867: import com.smartgwt.client.widgets.Canvas;
felix@867: import com.smartgwt.client.widgets.Label;
felix@867: import com.smartgwt.client.widgets.layout.HLayout;
felix@867: import com.smartgwt.client.widgets.layout.VLayout;
felix@914: import com.smartgwt.client.widgets.grid.ListGrid;
felix@914: import com.smartgwt.client.widgets.grid.ListGridField;
felix@914: import com.smartgwt.client.widgets.grid.ListGridRecord;
felix@914: import com.smartgwt.client.widgets.events.ClickEvent;
felix@867: 
felix@914: import de.intevation.flys.client.shared.model.Artifact;
felix@867: import de.intevation.flys.client.shared.model.Data;
felix@867: import de.intevation.flys.client.shared.model.DataItem;
felix@867: import de.intevation.flys.client.shared.model.DefaultData;
felix@867: import de.intevation.flys.client.shared.model.DefaultDataItem;
felix@867: import de.intevation.flys.client.shared.model.DataList;
felix@867: import de.intevation.flys.client.shared.model.User;
felix@867: 
felix@867: import de.intevation.flys.client.client.FLYSConstants;
felix@914: import de.intevation.flys.client.client.event.StepForwardEvent;
felix@914: import de.intevation.flys.client.shared.model.Recommendation;
felix@914: import de.intevation.flys.client.shared.model.ToLoad;
felix@914: import de.intevation.flys.client.shared.model.Recommendation.Facet;
felix@914: import de.intevation.flys.client.shared.model.Recommendation.Filter;
felix@914: 
felix@914: import de.intevation.flys.client.client.services.LoadArtifactService;
felix@914: import de.intevation.flys.client.client.services.LoadArtifactServiceAsync;
felix@914: import de.intevation.flys.client.client.Config;
felix@867: 
felix@867: // TODO Probably better to branch off AbstractUIProvider.
felix@914: // TODO Merge with other datacage-widget impls.
felix@914: /**
felix@914:  * Panel containing a Grid and a "next" button. The Grid is fed by a
felix@914:  * DatacagePairWidget which is put in the input-helper area.
felix@914:  */
felix@914: public class DatacageTwinPanel
felix@914: extends      TextProvider {
felix@867: 
felix@867:     protected static FLYSConstants MSG = GWT.create(FLYSConstants.class);
felix@867: 
felix@867:     protected String dataName;
felix@867: 
felix@867:     protected User user;
felix@867: 
felix@914:     protected ToLoad toLoad1;
felix@914: 
felix@914:     protected ToLoad toLoad2;
felix@914: 
felix@914:     protected ListGrid differencesList;
felix@914: 
felix@914:     LoadArtifactServiceAsync loadArtifactService = GWT.create(
felix@914:             de.intevation.flys.client.client.services.LoadArtifactService.class);
felix@914: 
felix@867: 
felix@867:     public DatacageTwinPanel(User user) {
felix@867:         super();
felix@867:         this.user = user;
felix@867:     }
felix@867: 
felix@867: 
felix@1298:     /**
felix@1298:      * Remove first occurrence of "[" and "]" (if both do occur).
felix@1298:      * @param value String to be stripped of [] (might be null).
felix@1298:      * @return input string but with [ and ] removed, or input string if no
felix@1298:      *         brackets were found.
felix@1298:      * @see StringUtil.unbracket
felix@1298:      */
felix@1298:     public static final String unbracket(String value) {
felix@1298:         // null- guard.
felix@1298:         if (value == null) return value;
felix@1298: 
felix@1298:         int start = value.indexOf("[");
felix@1298:         int end   = value.indexOf("]");
felix@1298: 
felix@1298:         if (start < 0 || end < 0) {
felix@1298:             return value;
felix@1298:         }
felix@1298: 
felix@1298:         value = value.substring(start + 1, end);
felix@1298: 
felix@1298:         return value;
felix@1298:     }
felix@1298: 
felix@1298: 
felix@1298:     /**
felix@1298:      * Create a recommendation from a string representation of it.
felix@1298:      * @TODO describe format of input string
felix@1298:      * @param from string in format as shown above.
felix@1298:      * @return recommendation from input string.
felix@1298:      */
felix@1298:     public Recommendation createRecommendationFromString(String from) {
felix@1298:         // TODO Construct "real" filter.
felix@1298:         String[] parts = unbracket(from).split(";");
felix@1298:         Recommendation.Filter filter = new Recommendation.Filter();
felix@1298:         Recommendation.Facet  facet  = new Recommendation.Facet(
felix@1298:                 parts[1],
felix@1298:                 parts[2]);
felix@1298: 
felix@1298:         List<Recommendation.Facet> facets = new ArrayList<Recommendation.Facet>
felix@1298:             ();
felix@1298:         facets.add(facet);
felix@1298:         filter.add("longitudinal_section", facets);
felix@1298:         Recommendation r = new Recommendation("waterlevel", parts[0],
felix@1298:             this.artifact.getUuid(), filter);
felix@1298:         return r; 
felix@1298:     }
felix@1298: 
felix@1298: 
felix@1298:     /**
felix@1298:      * Add RecomendationPairRecords from input String to the ListGrid.
felix@1298:      */
felix@1298:     public void populateGridFromString(String from){
felix@1298:         // Split this string.
felix@1298:         // Create according recommendations and display strings.
felix@1298:         String[] recs = from.split("#");
felix@1298:         // TODO real name
felix@1298:         if (recs.length % 2 != 0) return;
felix@1298:         for (int i = 0; i < recs.length; i+=2) {
felix@1298:             Recommendation minuend    = createRecommendationFromString(recs[i+0]);
felix@1298:             Recommendation subtrahend = createRecommendationFromString(recs[i+1]);
felix@1298:             RecommendationPairRecord pr = new RecommendationPairRecord(
felix@1298:                "A", minuend, "B", subtrahend);
felix@1304:             // This Recommendation Pair comes from the data string and was thus
felix@1304:             // already cloned.
felix@1304:             pr.setIsAlreadyLoaded(true);
felix@1298:             this.differencesList.addData(pr);
felix@1298:         }
felix@1298:     }
felix@1298: 
felix@1298: 
felix@867:     @Override
felix@867:     public Canvas create(DataList dataList) {
felix@867:         GWT.log("createData()");
felix@867: 
felix@1266:         // TODO use i18n of data.
felix@1266:         Canvas label  = new Label("Subtrahend/Minuend");//data.getDescription());
felix@867:         Canvas widget = createWidget();
felix@867:         Canvas submit = getNextButton();
felix@867: 
felix@1273:         VLayout layout       = new VLayout();
felix@914:         HLayout helperLayout = new HLayout();
felix@867:         label.setHeight(50);
felix@914:         helperLayout.addMember(new DatacagePairWidget(this.artifact,
felix@914:             user, "longitudinal_section", differencesList));
felix@867: 
felix@867:         /*layout.addMember(label);*/
felix@867:         layout.addMember(widget);
felix@867:         layout.addMember(submit);
felix@867:         layout.setMembersMargin(10);
felix@914:         this.helperContainer.addMember(helperLayout);
felix@867: 
felix@1298:         // Find old data, if any.
felix@1298:         Data   data   = dataList.get(0);
felix@1298:         // "diffids" data handling.
felix@1298:         this.dataName = data.getLabel();
felix@1298:         for (int i = 0; i < dataList.size(); i++) {
felix@1298:             if (dataList.get(i) != null) {
felix@1298:                 if (dataList.get(i).getItems() != null) {
felix@1298:                     populateGridFromString(dataList.get(i).getItems()[0].getStringValue());
felix@1298:                 }
felix@1298:                 else{
felix@1298:                     System.out.println("DatacageTwinPanel: Datalist for item is null");
felix@1298:                 }
felix@1298:             }
felix@1298:             else{
felix@1298:                 System.out.println("DatacageTwinPanel: Data " + i + " is null (not displayable).");
felix@1298:             }
felix@1298:         }
felix@1298: 
felix@867:         return layout;
felix@867:     }
felix@867: 
felix@867: 
felix@867:     @Override
felix@914:     public List<String> validate() {
felix@914:         List<String> errors = new ArrayList<String>();
felix@914:         if (differencesList.getRecords().length == 0) {
felix@914:             // TODO i18n of error message. (MSG.no_waterlevel_pair_selected())
felix@914:             errors.add("No pair of waterlevel items selected");
felix@914:         }
felix@914: 
felix@914:         return errors;
felix@914:     }
felix@914: 
felix@914: 
felix@1274:     /**
felix@1274:      * Creates layout with grid that displays selection inside.
felix@1274:      */
felix@914:     public Canvas createWidget() {
felix@1274:         VLayout layout  = new VLayout();
felix@1274:         differencesList = new ListGrid();
felix@914: 
felix@1274:         differencesList.setHeight(150);
felix@1274:         differencesList.setShowAllRecords(true);
felix@1274:         differencesList.setCanEdit(false);
felix@1274:         differencesList.setCanRemoveRecords(true);
felix@914: 
felix@1274:         ListGridField nameField    = new ListGridField("first",  "Minuend");
felix@1274:         ListGridField capitalField = new ListGridField("second", "Subtrahend");
felix@1266:         differencesList.setFields(new ListGridField[] {nameField,
felix@1274:            capitalField});
felix@914: 
felix@914:         layout.addMember(differencesList);
felix@914: 
felix@914:         return layout;
felix@914:     }
felix@914: 
felix@914: 
felix@914:     @Override
felix@914:     public void onClick(ClickEvent e) {
felix@914:         /*
felix@914:         TODO: Validation/Error
felix@914:         List<String> errors = validate();
felix@914:         if (errors == null || errors.isEmpty()) {
felix@914:         ...
felix@914:         else {showErrors(errors);}
felix@914: 
felix@914:          * */
felix@914:         GWT.log("DatacageTwinPanel.onClick");
felix@914:         Config config = Config.getInstance();
felix@914:         ListGridRecord[] records = differencesList.getRecords();
felix@1273: 
felix@1304:         Set<Recommendation> ar  = new HashSet<Recommendation>();
felix@1304:         Set<Recommendation> all = new HashSet<Recommendation>();
felix@914:         for (ListGridRecord record : records) {
felix@1298:             RecommendationPairRecord r =
felix@1298:                 (RecommendationPairRecord) record;
felix@1304:             // Do not add "old" recommendations.
felix@1304:             if (!r.isAlreadyLoaded()) {
felix@1304:                 GWT.log("One not yet loaded.");
felix@1304:                 ar.add(r.getFirst());
felix@1304:                 ar.add(r.getSecond());
felix@1304:             }
felix@1304:             else {
felix@1304:                 GWT.log("One already loaded.");
felix@1304:                 all.add(r.getFirst());
felix@1304:                 all.add(r.getSecond());
felix@1304:             }
felix@914:         }
felix@1266: 
felix@1304:         final Recommendation[] toClone = ar.toArray(new Recommendation[ar.size()]);
felix@1304:         final Recommendation[] toUse   = all.toArray(new Recommendation[all.size()]);
felix@914:         loadArtifactService.loadMany(
felix@914:               this.collection,
felix@1304:               toClone,
felix@1266:               "waterlevel",
felix@914:               config.getServerUrl(),
felix@914:               config.getLocale(),
felix@914:               new AsyncCallback<Artifact[]>() {
felix@914:                 public void onFailure(Throwable caught) {
felix@1266:                     GWT.log("Failure of cloning with waterlevelfactory!");
felix@914:                 }
felix@914:                 public void onSuccess(Artifact[] artifacts) {
felix@1304:                     GWT.log("Success in cloning ("+toClone.length+") with watelevelfactory!");
felix@1266: 
felix@1266:                     fireStepForwardEvent(new StepForwardEvent(
felix@1304:                         getData(toClone, artifacts, toUse)));
felix@1273:                 }
felix@1273:               } );
felix@914:     }
felix@914: 
felix@914: 
felix@1304:     protected Data[] getData(
felix@1304:             Recommendation[] newRecommendations,
felix@1304:             Artifact[] newArtifacts,
felix@1304:             Recommendation[] oldRecommendations)
felix@1304:     {
felix@914:         // Construct string with info about selections.
felix@914:         String dataItemString = "";
felix@1304:         for (int i = 0; i < newRecommendations.length; i++) {
felix@1304:             Recommendation r = newRecommendations[i];
felix@914:             Artifact newArtifact = newArtifacts[i];
felix@914:             String uuid = newArtifact.getUuid();
felix@914:             r.setMasterArtifact(uuid);
felix@914:             if (i>0) dataItemString += "#";
felix@914:     
felix@914:             dataItemString += createDataString(uuid, r.getFilter());
felix@914:         }
felix@1304: 
felix@1304:         for (int i = 0; i < oldRecommendations.length; i++) {
felix@1304:             Recommendation r = oldRecommendations[i];
felix@1304:             String uuid = r.getIDs();
felix@1304:             if (dataItemString.length() > 0) dataItemString += "#";
felix@1304:     
felix@1304:             dataItemString += createDataString(uuid, r.getFilter());
felix@1304:         }
felix@1304: 
felix@914:         DataItem item = new DefaultDataItem(dataName, dataName, dataItemString);
felix@914:         return new Data[] { new DefaultData(
felix@914:             dataName, null, null, new DataItem[] {item}) };
felix@914:     }
felix@914: 
felix@914: 
felix@914:     protected String createDataString(String artifact, Filter filter) {
felix@914:         Facet f = null;
felix@914: 
felix@914:         Map<String, List<Facet>>               outs = filter.getOuts();
felix@914:         Set<Map.Entry<String, List<Facet>>> entries = outs.entrySet();
felix@914: 
felix@914:         for (Map.Entry<String, List<Facet>> entry: entries) {
felix@914:             List<Facet> fs = entry.getValue();
felix@914: 
felix@914:             f = fs.get(0);
felix@914:             if (f != null) {
felix@914:                 break;
felix@914:             }
felix@914:         }
felix@914: 
felix@914:         return "[" + artifact + ";" + f.getName() + ";" + f.getIndex() + "]";
felix@914:     }
felix@914: 
felix@914:     /*@Override
felix@867:     protected Data[] getData() {
felix@914:         // TODO ToLoadRecord ! 
felix@914:         String value = "TODO:FIND VALUE";
felix@914:         if (toLoad1 != null) {
felix@914:             List<Recommendation> recommendations = toLoad1.toRecommendations();
felix@914:             value = recommendations.get(0).getIDs();
felix@914:         }
felix@914:         DataItem item1 = new DefaultDataItem(dataName, dataName, value);
felix@914:         DataItem item2 = new DefaultDataItem(dataName, dataName, value);
felix@867:         return new Data[] { new DefaultData(
felix@914:             dataName, null, null, new DataItem[] { item1, item2}) };
felix@914:     }*/
felix@867: }
felix@867: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :