001/*
002 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Jean-Marc Orliaguet, Chalmers
018 *
019 * $Id$
020 */
021
022package org.nuxeo.theme.html.filters.standalone;
023
024import org.nuxeo.theme.elements.Element;
025import org.nuxeo.theme.fragments.Fragment;
026import org.nuxeo.theme.perspectives.PerspectiveType;
027import org.nuxeo.theme.rendering.RenderingInfo;
028import org.nuxeo.theme.rendering.StandaloneFilter;
029import org.nuxeo.theme.themes.ThemeManager;
030
031public final class FragmentVisibility extends StandaloneFilter {
032
033    @Override
034    public RenderingInfo process(final RenderingInfo info, final boolean cache) {
035        final Element element = info.getElement();
036        if (element.getElementType().getTypeName().equals("fragment")) {
037            final Fragment fragment = (Fragment) element;
038            final PerspectiveType perspective = ThemeManager.getPerspectiveByUrl(info.getThemeUrl());
039            if (perspective != null) {
040                if (!fragment.isVisibleInPerspective(perspective)) {
041                    return null;
042                }
043            }
044        }
045        return info;
046    }
047
048}