ingo@4: package de.intevation.flys.client.client.ui;
ingo@4: 
ingo@4: import com.google.gwt.core.client.GWT;
ingo@97: import com.google.gwt.user.client.rpc.AsyncCallback;
ingo@4: 
ingo@4: import com.smartgwt.client.widgets.Canvas;
ingo@4: import com.smartgwt.client.widgets.Label;
ingo@4: import com.smartgwt.client.widgets.grid.ListGrid;
ingo@4: import com.smartgwt.client.widgets.grid.ListGridField;
ingo@97: import com.smartgwt.client.widgets.grid.ListGridRecord;
ingo@4: import com.smartgwt.client.widgets.layout.VLayout;
raimund@79: import com.smartgwt.client.types.VerticalAlignment;
ingo@4: 
ingo@4: import de.intevation.flys.client.shared.model.Collection;
ingo@4: import de.intevation.flys.client.shared.model.CollectionRecord;
ingo@97: import de.intevation.flys.client.shared.model.User;
ingo@4: 
ingo@97: import de.intevation.flys.client.client.Config;
ingo@211: import de.intevation.flys.client.client.FLYSConstants;
ingo@97: import de.intevation.flys.client.client.event.CollectionChangeEvent;
ingo@97: import de.intevation.flys.client.client.event.CollectionChangeHandler;
ingo@97: import de.intevation.flys.client.client.services.UserCollectionsService;
ingo@97: import de.intevation.flys.client.client.services.UserCollectionsServiceAsync;
ingo@4: 
ingo@4: 
ingo@4: /**
ingo@4:  * The project list shows a list of projects of a specific user.
ingo@4:  *
ingo@4:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@4:  */
ingo@97: public class ProjectList
ingo@97: extends      VLayout
ingo@97: implements   CollectionChangeHandler
ingo@97: {
ingo@4:     /** The interface that provides i18n messages. */
ingo@211:     private FLYSConstants messages = GWT.create(FLYSConstants.class);
ingo@4: 
ingo@97:     /** The UserService used to retrieve information about the current user. */
ingo@97:     protected UserCollectionsServiceAsync userCollectionsService =
ingo@97:         GWT.create(UserCollectionsService.class);
ingo@97: 
ingo@4:     /** The user whose projects should be displayed.*/
ingo@4:     protected User user;
ingo@4: 
ingo@4:     /** The grid that contains the project rows.*/
ingo@4:     protected ListGrid grid;
ingo@4: 
ingo@4:     /**
ingo@4:      * The default constructor that creates a new ProjectList for a specific
ingo@4:      * user.
ingo@4:      *
ingo@4:      * @param user The user.
ingo@4:      */
ingo@4:     public ProjectList(User user) {
ingo@4:         this.user = user;
ingo@4: 
ingo@4:         grid = new CollectionGrid();
ingo@4:         initGrid();
ingo@97:         init();
ingo@4: 
ingo@97:         updateUserCollections();
ingo@4:     }
ingo@4: 
ingo@4: 
ingo@4:     protected void initGrid() {
ingo@4:         grid.setEmptyMessage(messages.no_projects());
ingo@4:         grid.setLoadingDataMessage(messages.load_projects());
ingo@4:         grid.setShowRecordComponents(true);
ingo@4:         grid.setShowRecordComponentsByCell(true);
ingo@4:         grid.setCanRemoveRecords(false);
ingo@4:         grid.setShowHeader(false);
ingo@4:         grid.setWidth100();
ingo@97:         grid.setHeight100();
ingo@4: 
ingo@4:         ListGridField date = new ListGridField("date", "date");
ingo@4:         ListGridField name = new ListGridField("name", "name");
ingo@4: 
ingo@97:         date.setWidth(100);
ingo@97:         name.setWidth(195);
ingo@4: 
ingo@97:         grid.setFields(date, name);
ingo@4:     }
ingo@4: 
ingo@4: 
ingo@4:     /**
ingo@4:      * The init() method handles the layout stuff for this widget.
ingo@4:      */
ingo@4:     protected void init() {
ingo@4:         setWidth(300);
ingo@4:         setHeight100();
ingo@4:         setShowResizeBar(true);
ingo@4:         setShowEdges(false);
ingo@4:         setLayoutMargin(0);
raimund@79:         setLayoutAlign(VerticalAlignment.TOP);
ingo@4: 
ingo@4:         Label title = new Label(messages.projects());
ingo@4:         title.setHeight("20");
ingo@4:         title.setMargin(5);
ingo@4:         title.setWidth100();
raimund@79:         title.setStyleName("fontLightSmall");
ingo@4: 
ingo@4:         Canvas titleWrapper = new Canvas();
raimund@79:         titleWrapper.setStyleName("bgBlueDark");
ingo@4:         titleWrapper.setWidth100();
raimund@79:         titleWrapper.setHeight("20px");
ingo@4:         titleWrapper.addChild(title);
ingo@4: 
ingo@4:         Canvas gridWrapper = new Canvas();
ingo@4:         gridWrapper.setPadding(0);
ingo@4:         titleWrapper.setWidth100();
ingo@4:         gridWrapper.addChild(grid);
ingo@4: 
ingo@4:         addMember(titleWrapper);
ingo@4:         addMember(gridWrapper);
ingo@4:     }
ingo@97: 
ingo@97: 
ingo@97:     public void onCollectionChange(CollectionChangeEvent event) {
ingo@97:         GWT.log("ProjectList.onCollectionChange");
ingo@97: 
ingo@97:         updateUserCollections();
ingo@97:     }
ingo@97: 
ingo@97: 
ingo@97:     protected void updateUserCollections() {
ingo@97:         Config config = Config.getInstance();
ingo@97:         String url    = config.getServerUrl();
ingo@97: 
ingo@97:         userCollectionsService.getUserCollections(url, user.identifier(),
ingo@97:             new AsyncCallback<Collection[]>() {
ingo@97:                 public void onFailure(Throwable caught) {
ingo@97:                     GWT.log("Could not recieve a list of user collections.");
ingo@97:                     GWT.log(caught.getMessage());
ingo@97:                 }
ingo@97: 
ingo@97:                 public void onSuccess(Collection[] collections) {
ingo@97:                     int num = collections != null ? collections.length : 0;
ingo@97: 
ingo@97:                     GWT.log("Received " + num + " user collections.");
ingo@97: 
ingo@97:                     if (num == 0) {
ingo@97:                         return;
ingo@97:                     }
ingo@97: 
ingo@97:                     updateGrid(collections);
ingo@97:                 }
ingo@97:             }
ingo@97:         );
ingo@97:     }
ingo@97: 
ingo@97: 
ingo@97:     protected void clearGrid() {
ingo@97:         ListGridRecord[] records = grid.getRecords();
ingo@97: 
ingo@97:         for (ListGridRecord record: records) {
ingo@97:             grid.removeData(record);
ingo@97:         }
ingo@97:     }
ingo@97: 
ingo@97: 
ingo@97:     protected void updateGrid(Collection[] collections) {
ingo@97:         clearGrid();
ingo@97: 
ingo@97:         for (Collection c: collections) {
ingo@97:             grid.addData(new CollectionRecord(c));
ingo@97:         }
ingo@97:     }
ingo@4: }
ingo@4: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :