ingo@20: package de.intevation.flys.client.client.ui;
ingo@20: 
ingo@20: import com.google.gwt.core.client.GWT;
ingo@39: import com.google.gwt.resources.client.ImageResource;
ingo@20: 
ingo@20: import com.smartgwt.client.types.VerticalAlignment;
ingo@20: import com.smartgwt.client.widgets.Canvas;
ingo@39: import com.smartgwt.client.widgets.Img;
ingo@20: import com.smartgwt.client.widgets.layout.HLayout;
ingo@20: 
ingo@51: import de.intevation.flys.client.shared.model.DataList;
ingo@39: import de.intevation.flys.client.client.FLYSImages;
raimund@282: import de.intevation.flys.client.client.event.HasStepForwardHandlers;
raimund@282: import de.intevation.flys.client.shared.model.Data;
ingo@20: 
ingo@20: 
ingo@20: /**
ingo@20:  * This UIProvider displays the DataItems contained in the Data object in a
ingo@20:  * combo box as SelectProvider does. Furthermore, there is a map displayed that
ingo@20:  * lets the user choose a river by selecting it on the map.
ingo@20:  *
ingo@20:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@20:  */
ingo@20: public class MapSelection extends SelectProvider {
ingo@20: 
ingo@39:     /** The interface that provides the image resources. */
ingo@39:     private FLYSImages IMAGES = GWT.create(FLYSImages.class);
ingo@39: 
raimund@282:     protected ModuleSelection moduleSelection;
ingo@39: 
ingo@20:     public MapSelection() {
ingo@20:     }
ingo@20: 
ingo@20: 
ingo@20:     /**
ingo@20:      * This method currently returns a
ingo@20:      * {@link com.smartgwt.client.widgets.form.DynamicForm} that contains all
ingo@20:      * data items in a combobox stored in <i>data</i>.<br>
ingo@20:      *
ingo@20:      * <b>TODO: The map panel for the river selection needs to be
ingo@20:      * implemented!</b>
ingo@20:      *
ingo@51:      * @param data The {@link DataList} object.
ingo@20:      *
ingo@20:      * @return a combobox.
ingo@20:      */
ingo@51:     protected Canvas createWidget(DataList data) {
ingo@20:         GWT.log("MapSelection - create()");
ingo@20: 
ingo@20:         HLayout h = new HLayout();
ingo@20:         h.setAlign(VerticalAlignment.TOP);
raimund@282:         h.setHeight(100);
raimund@282:         moduleSelection = new ModuleSelection();
ingo@20: 
raimund@282:         Canvas form  = moduleSelection.create(data);
ingo@30:         form.setWidth(250);
ingo@53:         form.setLayoutAlign(VerticalAlignment.TOP);
ingo@20: 
ingo@39:         ImageResource mapRes = IMAGES.riverMap();
ingo@39:         Img map              = new Img(mapRes.getURL(), 400, 452);
ingo@20: 
ingo@39:         // TODO implement event handling in the river map
ingo@20: 
ingo@20:         h.addMember(form);
ingo@83:         helperContainer.addChild(map);
ingo@20: 
ingo@20:         return h;
ingo@20:     }
raimund@282: 
raimund@282:     protected Data[] getData() {
raimund@282:         if (moduleSelection != null) {
raimund@282:             return moduleSelection.getData();
raimund@282:         }
raimund@282:         else {
raimund@282:             return null;
raimund@282:         }
raimund@282:     }
ingo@20: }
ingo@20: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :