| /* |
| * $Id$ |
| * $Revision$ |
| * $Date$ |
| * |
| * ==================================================================== |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package wicket.examples.displaytag; |
| |
| import java.util.List; |
| |
| import wicket.PageParameters; |
| import wicket.examples.displaytag.list.SortableListViewHeader; |
| import wicket.examples.displaytag.list.SortableListViewHeaders; |
| import wicket.examples.displaytag.utils.ListObject; |
| import wicket.examples.displaytag.utils.TableWithAlternatingRowStyle; |
| import wicket.examples.displaytag.utils.TestList; |
| import wicket.markup.html.basic.Label; |
| import wicket.markup.html.list.ListItem; |
| import wicket.markup.html.list.ListView; |
| |
| /** |
| * A sorted table example |
| * |
| * @author Juergen Donnerstag |
| */ |
| public class ExampleSorting extends Displaytag |
| { |
| /** |
| * Constructor. |
| * |
| * @param parameters Page parameters |
| */ |
| public ExampleSorting(final PageParameters parameters) |
| { |
| // Test data |
| final List data = new TestList(6, false); |
| |
| // Add table |
| ListView table = new TableWithAlternatingRowStyle("rows", data) |
| { |
| public void populateItem(final ListItem listItem) |
| { |
| final ListObject value = (ListObject) listItem.getModelObject(); |
| |
| listItem.add(new Label("id", Integer.toString(value.getId()))); |
| listItem.add(new Label("name", value.getName())); |
| listItem.add(new Label("email", value.getEmail())); |
| listItem.add(new Label("status", value.getStatus())); |
| listItem.add(new Label("comment", value.getDescription())); |
| } |
| }; |
| |
| add(table); |
| |
| // And this is with a little bit of magic |
| add(new SortableListViewHeaders("header", table) |
| { |
| /** |
| * If object does not support equals() |
| */ |
| protected int compareTo(final SortableListViewHeader header, final Object o1, final Object o2) |
| { |
| if (header.getId().equals("id")) |
| { |
| return ((ListObject)o1).getId() - ((ListObject)o2).getId(); |
| } |
| |
| return super.compareTo(header, o1, o2); |
| } |
| |
| /** |
| * Define how to do sorting |
| * |
| * @see SortableListViewHeaders#getObjectToCompare(SortableListViewHeader, java.lang.Object) |
| */ |
| protected Comparable getObjectToCompare(final SortableListViewHeader header, final Object object) |
| { |
| final String name = header.getId(); |
| if (name.equals("name")) |
| { |
| return ((ListObject)object).getName(); |
| } |
| if (name.equals("email")) |
| { |
| return ((ListObject)object).getEmail(); |
| } |
| if (name.equals("status")) |
| { |
| return ((ListObject)object).getStatus(); |
| } |
| if (name.equals("comment")) |
| { |
| return ((ListObject)object).getDescription(); |
| } |
| |
| return ""; |
| } |
| }); |
| } |
| } |