ingo@4: package de.intevation.flys.client.client.ui;
ingo@4: 
ingo@226: import java.util.Date;
ingo@226: 
ingo@4: import com.google.gwt.core.client.GWT;
ingo@226: import com.google.gwt.i18n.client.DateTimeFormat;
ingo@97: import com.google.gwt.user.client.rpc.AsyncCallback;
ingo@4: 
ingo@226: import com.smartgwt.client.types.Alignment;
ingo@226: import com.smartgwt.client.types.ListGridFieldType;
ingo@226: import com.smartgwt.client.types.SortDirection;
ingo@220: import com.smartgwt.client.util.SC;
ingo@4: import com.smartgwt.client.widgets.Canvas;
ingo@4: import com.smartgwt.client.widgets.Label;
ingo@226: import com.smartgwt.client.widgets.grid.CellFormatter;
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@220: import com.smartgwt.client.widgets.grid.events.RowContextClickEvent;
ingo@220: import com.smartgwt.client.widgets.grid.events.RowContextClickHandler;
ingo@4: import com.smartgwt.client.widgets.layout.VLayout;
ingo@220: import com.smartgwt.client.widgets.menu.Menu;
ingo@220: import com.smartgwt.client.widgets.menu.MenuItem;
ingo@220: import com.smartgwt.client.widgets.menu.events.MenuItemClickEvent;
ingo@220: import com.smartgwt.client.widgets.menu.events.ClickHandler;
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@225: import de.intevation.flys.client.client.FLYS;
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@225:     /** A pointer to the FLYS instance.*/
ingo@225:     protected FLYS flys;
ingo@225: 
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@225:     public ProjectList(FLYS flys, User user) {
ingo@225:         this.flys = flys;
ingo@4:         this.user = user;
ingo@4: 
ingo@226:         grid = new ListGrid();
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@226:         grid.setSortDirection(SortDirection.DESCENDING);
ingo@226:         grid.setSortField(0);
ingo@4: 
ingo@226:         ListGridField date = buildDateField();
ingo@226:         ListGridField name = buildNameField();
ingo@4: 
ingo@97:         grid.setFields(date, name);
ingo@220: 
ingo@220:         grid.addRowContextClickHandler(new RowContextClickHandler() {
ingo@220:             public void onRowContextClick(RowContextClickEvent event) {
ingo@220:                 CollectionRecord record = (CollectionRecord) event.getRecord();
ingo@220: 
ingo@220:                 Menu menu = createContextMenu(record);
ingo@220:                 grid.setContextMenu(menu);
ingo@220:                 menu.showContextMenu();
ingo@220: 
ingo@220:                 event.cancel();
ingo@220:             }
ingo@220:         });
ingo@220:     }
ingo@220: 
ingo@220: 
ingo@225:     public FLYS getFlys() {
ingo@225:         return flys;
ingo@225:     }
ingo@225: 
ingo@225: 
ingo@220:     /**
ingo@220:      * Creates a new context menu that interacts with a CollectionRecord.
ingo@220:      *
ingo@220:      * @param record The selected record.
ingo@220:      *
ingo@220:      * @return the context menu with operations that interact with
ingo@220:      * <i>record</i>.
ingo@220:      */
ingo@220:     protected Menu createContextMenu(final CollectionRecord record) {
ingo@220:         Menu menu = new Menu();
ingo@220: 
ingo@220:         MenuItem open = new MenuItem(messages.open_project());
ingo@220:         open.addClickHandler(new ClickHandler() {
ingo@220:             public void onClick(MenuItemClickEvent evt) {
ingo@225:                 getFlys().openProject(record.getCollection().identifier());
ingo@220:             }
ingo@220:         });
ingo@220: 
ingo@220:         MenuItem del = new MenuItem(messages.delete_project());
ingo@220:         del.addClickHandler(new ClickHandler() {
ingo@220:             public void onClick(MenuItemClickEvent evt) {
ingo@220:                 SC.warn("Removing projects is not implemented.");
ingo@220:             }
ingo@220:         });
ingo@220: 
ingo@220:         menu.addItem(open);
ingo@220:         menu.addItem(del);
ingo@220: 
ingo@220:         return menu;
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@229:         String locale = config.getLocale();
ingo@97: 
ingo@229:         userCollectionsService.getUserCollections(url, locale, 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@226: 
ingo@226: 
ingo@226:     /**
ingo@226:      * Builds the field in the grid that displays the creation time of a
ingo@226:      * project.
ingo@226:      *
ingo@226:      * @return the grid field.
ingo@226:      */
ingo@226:     protected ListGridField buildDateField() {
ingo@226:         ListGridField date = new ListGridField("creationTime", "creationTime");
ingo@226:         date.setType(ListGridFieldType.DATE);
ingo@226: 
ingo@226:         date.setCellFormatter(new CellFormatter() {
ingo@226:             public String format(Object value, ListGridRecord rec, int r, int c) {
ingo@226:                 if (value == null) {
ingo@226:                     return null;
ingo@226:                 }
ingo@226: 
ingo@226:                 DateTimeFormat dtf = DateTimeFormat.getFormat(
ingo@226:                     messages.datetime_format());
ingo@226: 
ingo@226:                 return dtf.format((Date)value);
ingo@226:             }
ingo@226:         });
ingo@226: 
ingo@226:         date.setWidth(105);
ingo@226:         date.setAlign(Alignment.LEFT);
ingo@226: 
ingo@226:         return date;
ingo@226:     }
ingo@226: 
ingo@226: 
ingo@226:     /**
ingo@226:      * Builds the field in the grid that displays the name of a project.
ingo@226:      *
ingo@226:      * @return the grid field.
ingo@226:      */
ingo@226:     protected ListGridField buildNameField() {
ingo@226:         ListGridField name = new ListGridField("name", "name");
ingo@226:         name.setType(ListGridFieldType.TEXT);
ingo@226: 
ingo@226:         name.setCellFormatter(new CellFormatter() {
ingo@226:             public String format(Object value, ListGridRecord record, int row, int col) {
ingo@226:                 String n = (String) value;
ingo@226:                 int len  = n.length();
ingo@226:                 int sec  = len - 15;
ingo@226:                 return n.substring(0, 14) + "..." + n.substring(sec, len-1);
ingo@226:             }
ingo@226:         });
ingo@226: 
ingo@226:         name.setWidth(195);
ingo@226:         name.setAlign(Alignment.LEFT);
ingo@226: 
ingo@226:         return name;
ingo@226:     }
ingo@4: }
ingo@4: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :