ingo@20: package de.intevation.flys.client.client.ui;
ingo@20: 
ingo@20: import java.util.LinkedHashMap;
ingo@20: 
ingo@20: import com.google.gwt.core.client.GWT;
ingo@20: 
ingo@30: import com.smartgwt.client.types.VerticalAlignment;
ingo@20: import com.smartgwt.client.widgets.Canvas;
ingo@20: import com.smartgwt.client.widgets.IButton;
ingo@30: import com.smartgwt.client.widgets.Label;
ingo@20: import com.smartgwt.client.widgets.form.DynamicForm;
ingo@20: import com.smartgwt.client.widgets.form.fields.ComboBoxItem;
ingo@30: import com.smartgwt.client.widgets.layout.HLayout;
ingo@20: import com.smartgwt.client.widgets.layout.VLayout;
ingo@20: 
ingo@20: import de.intevation.flys.client.shared.model.Data;
ingo@20: import de.intevation.flys.client.shared.model.DataItem;
ingo@20: import de.intevation.flys.client.shared.model.DefaultData;
ingo@20: import de.intevation.flys.client.shared.model.DefaultDataItem;
ingo@20: 
ingo@20: import de.intevation.flys.client.client.FLYSMessages;
ingo@20: 
ingo@20: 
ingo@20: /**
ingo@20:  * This UIProvider displays the DataItems of the Data object in a combo box.
ingo@20:  *
ingo@20:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@20:  */
ingo@49: public class SelectProvider
ingo@49: extends      AbstractUIProvider
ingo@20: {
ingo@20:     /** The message class that provides i18n strings.*/
ingo@20:     protected FLYSMessages messages = GWT.create(FLYSMessages.class);
ingo@20: 
ingo@20:     /** The combobox.*/
ingo@20:     protected ComboBoxItem combobox;
ingo@20: 
ingo@38:     /** The name of the data object.*/
ingo@38:     protected String dataName;
ingo@38: 
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>.
ingo@20:      *
ingo@20:      * @param data The {@link Data} object.
ingo@20:      *
ingo@20:      * @return a combobox.
ingo@20:      */
ingo@20:     public Canvas create(Data data) {
ingo@38:         dataName = data.getLabel();
ingo@38: 
ingo@20:         VLayout v = new VLayout();
ingo@20: 
ingo@20:         Canvas content = createWidget(data);
ingo@20: 
ingo@20:         IButton button = new IButton(messages.next(), this);
ingo@20: 
ingo@20:         v.addMember(content);
ingo@20:         v.addMember(button);
ingo@20: 
ingo@20:         return v;
ingo@20:     }
ingo@20: 
ingo@20: 
ingo@20:     /**
ingo@20:      * This method creates the content of the widget.
ingo@20:      *
ingo@20:      * @param data The {@link Data} object.
ingo@20:      *
ingo@20:      * @return a combobox.
ingo@20:      */
ingo@20:     protected Canvas createWidget(Data data) {
ingo@20:         GWT.log("SelectProvider - create()");
ingo@20: 
ingo@30:         HLayout layout   = new HLayout();
ingo@38:         Label label      = new Label(data.getDescription());
ingo@30:         DynamicForm form = new DynamicForm();
ingo@35:         combobox         = new ComboBoxItem(data.getLabel());
ingo@20: 
ingo@20:         LinkedHashMap<String, String> it = new LinkedHashMap<String, String>();
ingo@20: 
ingo@20:         for (DataItem item: data.getItems()) {
ingo@20:             it.put(item.getStringValue(), item.getLabel());
ingo@20:         }
ingo@20: 
ingo@30:         label.setWidth(50);
ingo@20:         combobox.setValueMap(it);
ingo@30:         combobox.setShowTitle(false);
ingo@20:         form.setItems(combobox);
ingo@20: 
ingo@30:         layout.addMember(label);
ingo@30:         layout.addMember(form);
ingo@30: 
ingo@30:         label.setValign(VerticalAlignment.TOP);
ingo@30:         layout.setAlign(VerticalAlignment.TOP);
ingo@30: 
ingo@30:         return layout;
ingo@20:     }
ingo@20: 
ingo@20: 
ingo@20:     protected Data[] getData() {
ingo@20:         String selection = combobox.getValueAsString();
ingo@38:         DataItem item    = new DefaultDataItem(dataName, null, selection);
ingo@20: 
ingo@20:         return new Data[] { new DefaultData(
ingo@38:             dataName, null, null, new DataItem[] { item }, null) };
ingo@20:     }
ingo@20: }
ingo@20: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :