001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.imagegallerydisplay.util;
016    
017    import com.liferay.portal.kernel.portlet.LiferayWindowState;
018    import com.liferay.portal.kernel.repository.model.Folder;
019    import com.liferay.portal.kernel.util.ParamUtil;
020    import com.liferay.portal.theme.ThemeDisplay;
021    import com.liferay.portal.util.PortalUtil;
022    import com.liferay.portal.util.WebKeys;
023    import com.liferay.portlet.documentlibrary.model.DLFolderConstants;
024    import com.liferay.portlet.documentlibrary.service.DLAppLocalServiceUtil;
025    
026    import java.util.Collections;
027    import java.util.List;
028    
029    import javax.portlet.PortletURL;
030    import javax.portlet.RenderResponse;
031    
032    import javax.servlet.http.HttpServletRequest;
033    
034    /**
035     * @author Brian Wing Shun Chan
036     */
037    public class IGUtil {
038    
039            public static void addPortletBreadcrumbEntries(
040                            long folderId, HttpServletRequest request,
041                            RenderResponse renderResponse)
042                    throws Exception {
043    
044                    if (folderId == DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
045                            return;
046                    }
047    
048                    Folder folder = DLAppLocalServiceUtil.getFolder(folderId);
049    
050                    addPortletBreadcrumbEntries(folder, request, renderResponse);
051            }
052    
053            public static void addPortletBreadcrumbEntries(
054                            Folder folder, HttpServletRequest request,
055                            RenderResponse renderResponse)
056                    throws Exception {
057    
058                    String strutsAction = ParamUtil.getString(request, "struts_action");
059    
060                    PortletURL portletURL = renderResponse.createRenderURL();
061    
062                    if (strutsAction.equals("/image_gallery_display/select_folder")) {
063                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
064                                    WebKeys.THEME_DISPLAY);
065    
066                            portletURL.setWindowState(LiferayWindowState.POP_UP);
067    
068                            portletURL.setParameter("struts_action", strutsAction);
069    
070                            PortalUtil.addPortletBreadcrumbEntry(
071                                    request, themeDisplay.translate("home"), portletURL.toString());
072                    }
073                    else {
074                            portletURL.setParameter(
075                                    "struts_action", "/image_gallery_display/view");
076                    }
077    
078                    List<Folder> ancestorFolders = folder.getAncestors();
079    
080                    Collections.reverse(ancestorFolders);
081    
082                    for (Folder ancestorFolder : ancestorFolders) {
083                            portletURL.setParameter(
084                                    "folderId", String.valueOf(ancestorFolder.getFolderId()));
085    
086                            PortalUtil.addPortletBreadcrumbEntry(
087                                    request, ancestorFolder.getName(), portletURL.toString());
088                    }
089    
090                    portletURL.setParameter(
091                            "folderId", String.valueOf(folder.getFolderId()));
092    
093                    if (strutsAction.equals("/journal/select_image_gallery")) {
094                            portletURL.setParameter(
095                                    "groupId", String.valueOf(folder.getGroupId()));
096                    }
097    
098                    PortalUtil.addPortletBreadcrumbEntry(
099                            request, folder.getName(), portletURL.toString());
100            }
101    
102    }