001    /**
002     * Copyright (c) 2000-2010 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.imagegallery.util;
016    
017    import com.liferay.portal.kernel.portlet.LiferayWindowState;
018    import com.liferay.portal.kernel.util.ParamUtil;
019    import com.liferay.portal.theme.ThemeDisplay;
020    import com.liferay.portal.util.PortalUtil;
021    import com.liferay.portal.util.WebKeys;
022    import com.liferay.portlet.imagegallery.model.IGFolder;
023    import com.liferay.portlet.imagegallery.model.IGFolderConstants;
024    import com.liferay.portlet.imagegallery.model.IGImage;
025    import com.liferay.portlet.imagegallery.service.IGFolderLocalServiceUtil;
026    
027    import java.util.Collections;
028    import java.util.List;
029    
030    import javax.portlet.PortletURL;
031    import javax.portlet.RenderResponse;
032    
033    import javax.servlet.http.HttpServletRequest;
034    
035    /**
036     * @author Brian Wing Shun Chan
037     */
038    public class IGUtil {
039    
040            public static void addPortletBreadcrumbEntries(
041                            IGImage image, HttpServletRequest request,
042                            RenderResponse renderResponse)
043                    throws Exception {
044    
045                    IGFolder folder = image.getFolder();
046    
047                    addPortletBreadcrumbEntries(folder, request, renderResponse);
048    
049                    PortletURL portletURL = renderResponse.createRenderURL();
050    
051                    portletURL.setParameter("struts_action", "/image_gallery/view_image");
052                    portletURL.setParameter("imageId", String.valueOf(image.getImageId()));
053    
054                    PortalUtil.addPortletBreadcrumbEntry(
055                            request, image.getName(), portletURL.toString());
056            }
057    
058            public static void addPortletBreadcrumbEntries(
059                            long folderId, HttpServletRequest request,
060                            RenderResponse renderResponse)
061                    throws Exception {
062    
063                    if (folderId == IGFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
064                            return;
065                    }
066    
067                    IGFolder folder = IGFolderLocalServiceUtil.getFolder(
068                            folderId);
069    
070                    addPortletBreadcrumbEntries(folder, request, renderResponse);
071            }
072    
073            public static void addPortletBreadcrumbEntries(
074                            IGFolder folder, HttpServletRequest request,
075                            RenderResponse renderResponse)
076                    throws Exception {
077    
078                    String strutsAction = ParamUtil.getString(request, "struts_action");
079    
080                    PortletURL portletURL = renderResponse.createRenderURL();
081    
082                    if (strutsAction.equals("/journal/select_image_gallery") ||
083                            strutsAction.equals("/image_gallery/select_folder")) {
084                            ThemeDisplay themeDisplay =     (ThemeDisplay)request.getAttribute(
085                                    WebKeys.THEME_DISPLAY);
086    
087                            portletURL.setWindowState(LiferayWindowState.POP_UP);
088    
089                            portletURL.setParameter("struts_action", strutsAction);
090    
091                            PortalUtil.addPortletBreadcrumbEntry(
092                                    request, themeDisplay.translate("images-home"),
093                                    portletURL.toString());
094                    }
095                    else {
096                            portletURL.setParameter("struts_action", "/image_gallery/view");
097                    }
098    
099                    List<IGFolder> ancestorFolders = folder.getAncestors();
100    
101                    Collections.reverse(ancestorFolders);
102    
103                    for (IGFolder ancestorFolder : ancestorFolders) {
104    
105                            portletURL.setParameter(
106                                    "folderId", String.valueOf(ancestorFolder.getFolderId()));
107    
108                            PortalUtil.addPortletBreadcrumbEntry(
109                                    request, ancestorFolder.getName(), portletURL.toString());
110                    }
111    
112                    portletURL.setParameter(
113                            "folderId", String.valueOf(folder.getFolderId()));
114    
115                    PortalUtil.addPortletBreadcrumbEntry(
116                            request, folder.getName(), portletURL.toString());
117            }
118    
119    }