--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/client/ui/ModuleSelection.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,176 @@
+package de.intevation.flys.client.client.ui;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+import com.smartgwt.client.types.VerticalAlignment;
+import com.smartgwt.client.util.SC;
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.Label;
+import com.smartgwt.client.widgets.form.DynamicForm;
+import com.smartgwt.client.widgets.form.fields.RadioGroupItem;
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
+
+import de.intevation.flys.client.client.Config;
+import de.intevation.flys.client.client.FLYSConstants;
+import de.intevation.flys.client.client.services.ModuleService;
+import de.intevation.flys.client.client.services.ModuleServiceAsync;
+import de.intevation.flys.client.shared.model.Data;
+import de.intevation.flys.client.shared.model.DataItem;
+import de.intevation.flys.client.shared.model.DataList;
+import de.intevation.flys.client.shared.model.DefaultData;
+import de.intevation.flys.client.shared.model.DefaultDataItem;
+import de.intevation.flys.client.shared.model.Module;
+
+import java.util.LinkedHashMap;
+
+/**
+ * The ModuleSelection combines the river selection and the module selection in
+ * one widget. It will display a vertical splitted widget - the upper part will
+ * render checkboxes for each module, the lower one will display a combobox at
+ * the left and a map panel on the right to choose the river.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class ModuleSelection extends MapSelection {
+
+    private static final long serialVersionUID = -5634831815175543328L;
+
+    /** The message class that provides i18n strings.*/
+    protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
+
+    /** The module checkboxes.*/
+    protected RadioGroupItem radio;
+
+    /** */
+    protected Module[] modules;
+
+    /** The ModuleService used to retrieve the available modules of a user.*/
+    protected ModuleServiceAsync moduleService = GWT.create(ModuleService.class);
+
+
+    /**
+     * The default constructor.
+     */
+    public ModuleSelection() {
+        readModules();
+    }
+
+
+    /**
+     * This method returns a widget that renders the checkboxes for each module
+     * and the MapSelection that lets the user choose the river.
+     *
+     * @param data The provided rivers.
+     *
+     * @return the module selection combined with the river selection.
+     */
+    @Override
+    public Canvas create(DataList data) {
+        GWT.log("ModuleSelection - create()");
+        VLayout newLayout = new VLayout();
+        newLayout.setMembersMargin(10);
+        newLayout.setAlign(VerticalAlignment.TOP);
+        Canvas moduleSelection = createWidget();
+
+        moduleSelection.setHeight(100);
+        newLayout.setHeight(70);
+        newLayout.addMember(moduleSelection);
+
+        return newLayout;
+    }
+
+    private void readModules() {
+        Config config = Config.getInstance();
+        String locale = config.getLocale();
+
+        moduleService.list(locale, new AsyncCallback<Module[]>() {
+            @Override
+            public void onFailure(Throwable caught) {
+                GWT.log("Could not recieve a list of modules.");
+                SC.warn(MSG.getString(caught.getMessage()));
+            }
+
+            @Override
+            public void onSuccess(Module[] newmodules) {
+                GWT.log("Retrieved " + newmodules.length + " modules.");
+                modules = newmodules;
+                setModules();
+            }
+        });
+    }
+
+    private void setModules() {
+        LinkedHashMap<String, String> values = new LinkedHashMap<String, String>();
+
+        if (this.modules!= null) {
+            for(Module module : this.modules) {
+                values.put(module.getName(), module.getLocalizedName());
+                if (module.isSelected()) {
+                    GWT.log("Module " + module.getName() + " is selected.");
+                    if (radio != null) {
+                        radio.setDefaultValue(module.getName());
+                        GWT.log("Setting " + module.getName() + " as selected.");
+                    }
+                }
+            }
+        }
+        if (radio != null) {
+            radio.setValueMap(values);
+        }
+    }
+
+    /**
+     * Creates a widget that displays a checkbox for each module.
+     *
+     * @return a widget with checkboxes.
+     */
+    protected Canvas createWidget() {
+        HLayout layout = new HLayout();
+
+        Label      label = new Label(MESSAGES.module_selection());
+        DynamicForm form = new DynamicForm();
+
+        radio = new RadioGroupItem("plugin");
+
+        label.setWidth(50);
+        label.setHeight(25);
+
+
+        radio.setShowTitle(false);
+        radio.setVertical(true);
+
+        setModules();
+
+        form.setFields(radio);
+
+        layout.addMember(label);
+        layout.addMember(form);
+
+        return layout;
+    }
+
+
+    /**
+     * This method prepares the data of two widgets - the module selection and
+     * the river selection. The returning field will contain the Data that
+     * represents the module selection at first position, the second position
+     * stores the Data object that represents the river selection.
+     *
+     * @return the Data that was chosen in this widget.
+     */
+    @Override
+    protected Data[] getData() {
+
+        String module = radio.getValueAsString();
+
+        DataItem[] items = new DefaultDataItem[1];
+        items[0]         = new DefaultDataItem(module, module, module);
+
+        Data       data  = new DefaultData("module", null, null, items);
+
+        return new Data[] {data};
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :