/*
* #!
* Ontopoly Editor
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* 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 ontopoly.utils;
import ontopoly.model.Topic;
import org.apache.wicket.markup.html.form.IChoiceRenderer;
import org.apache.wicket.model.IModel;
public class TopicChoiceRenderer<T extends Topic> implements IChoiceRenderer<T> {
public static final TopicChoiceRenderer<Topic> INSTANCE = new TopicChoiceRenderer<Topic>();
@SuppressWarnings("rawtypes")
protected Topic getTopic(Object object) {
// model objects are supported
return (Topic)(object instanceof IModel ? ((IModel)object).getObject() : object);
}
public Object getDisplayValue(Topic object) {
String name = object.getName();
if (name == null || name.equals(""))
return "[No name]";
else
return name;
}
public String getIdValue(Topic object, int index) {
Topic topic = getTopic(object);
return topic.getId();
}
}