001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.extensions.markup.html.form.palette.component;
018
019import java.util.Iterator;
020
021import org.apache.wicket.extensions.markup.html.form.palette.Palette;
022import org.apache.wicket.markup.head.IHeaderResponse;
023import org.apache.wicket.markup.head.OnEventHeaderItem;
024
025
026/**
027 * select box containing selected choices of the palette
028 * 
029 * @param <T>
030 * @author Igor Vaynberg ( ivaynberg )
031 */
032public class Selection<T> extends AbstractOptions<T>
033{
034        private static final long serialVersionUID = 1L;
035
036        /**
037         * @param id
038         *            component id
039         * @param palette
040         *            parent palette
041         */
042        public Selection(final String id, final Palette<T> palette)
043        {
044                super(id, palette);
045        }
046
047        @Override
048        public void renderHead(IHeaderResponse response)
049        {
050                super.renderHead(response);
051
052                String onFocus = getPalette().getSelectionOnFocusJS();
053                if (onFocus != null)
054                {
055                        response.render(OnEventHeaderItem.forComponent(this, "focus", onFocus));
056                }
057
058                response.render(OnEventHeaderItem.forComponent(this, "dblclick", getPalette().getRemoveOnClickJS()));
059        }
060
061        @Override
062        protected Iterator<T> getOptionsIterator()
063        {
064                return getPalette().getSelectedChoices();
065        }
066
067}