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.theme;
018
019import org.apache.wicket.Component;
020import org.apache.wicket.behavior.Behavior;
021import org.apache.wicket.extensions.markup.html.form.palette.Palette;
022import org.apache.wicket.markup.ComponentTag;
023import org.apache.wicket.markup.head.CssHeaderItem;
024import org.apache.wicket.markup.head.IHeaderResponse;
025import org.apache.wicket.request.resource.CssResourceReference;
026import org.apache.wicket.request.resource.ResourceReference;
027
028
029/**
030 * A default theme for a {@link Palette}.
031 */
032public class DefaultTheme extends Behavior
033{
034
035        private static final long serialVersionUID = 1L;
036
037        /** reference to the palette's css resource */
038        private static final ResourceReference CSS = new CssResourceReference(DefaultTheme.class,
039                "palette.css");
040
041        @Override
042        public void onComponentTag(Component component, ComponentTag tag)
043        {
044                tag.append("class", "palette-theme-default", " ");
045        }
046
047        /**
048         * Renders header contributions
049         * 
050         * @param component
051         * @param response
052         */
053        @Override
054        public void renderHead(Component component, IHeaderResponse response)
055        {
056                response.render(CssHeaderItem.forReference(CSS));
057        }
058}