de.tudarmstadt.ukp.csniper.webapp.support.wicket.RepeatingItem.java Source code

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Here is the source code for de.tudarmstadt.ukp.csniper.webapp.support.wicket.RepeatingItem.java

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/*******************************************************************************
 * Copyright 2013
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universitt Darmstadt
 * 
 * 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 de.tudarmstadt.ukp.csniper.webapp.support.wicket;

import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.model.AbstractReadOnlyModel;

/**
 * Adapted from http://wicketinaction.com/2008/10/building-a-listeditor-form-component/
 * 
 * @author Erik-Ln Do Dinh
 */
public class RepeatingItem<T> extends Item<T> {
    private static final long serialVersionUID = -1469824558308527864L;

    public RepeatingItem(String id, int index) {
        super(id, index);
        setModel(new AbstractReadOnlyModel<T>() {
            private static final long serialVersionUID = 1L;

            @SuppressWarnings("unchecked")
            @Override
            public T getObject() {
                return ((RepeatingEditor<T>) RepeatingItem.this.getParent()).items.get(getIndex());
            }

        });
    }
}