Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.document.library.web.internal.util; import com.liferay.document.library.kernel.model.DLFolderConstants; import com.liferay.document.library.kernel.service.DLAppLocalServiceUtil; import com.liferay.document.library.web.internal.settings.DLPortletInstanceSettings; import com.liferay.portal.kernel.portlet.LiferayPortletResponse; import com.liferay.portal.kernel.portlet.LiferayWindowState; import com.liferay.portal.kernel.repository.model.FileEntry; import com.liferay.portal.kernel.repository.model.FileShortcut; import com.liferay.portal.kernel.repository.model.Folder; import com.liferay.portal.kernel.theme.PortletDisplay; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.PortalUtil; import com.liferay.portal.kernel.util.WebKeys; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.portlet.PortletURL; import javax.portlet.RenderResponse; import javax.portlet.WindowStateException; import javax.servlet.http.HttpServletRequest; /** * @author Sergio Gonzlez */ public class DLBreadcrumbUtil { public static void addPortletBreadcrumbEntries(FileEntry fileEntry, HttpServletRequest request, RenderResponse renderResponse) throws Exception { Folder folder = fileEntry.getFolder(); if (folder.getFolderId() != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) { addPortletBreadcrumbEntries(folder, request, renderResponse); } PortletURL portletURL = renderResponse.createRenderURL(); FileEntry unescapedFileEntry = fileEntry.toUnescapedModel(); portletURL.setParameter("mvcRenderCommandName", "/document_library/view_file_entry"); portletURL.setParameter("fileEntryId", String.valueOf(fileEntry.getFileEntryId())); PortalUtil.addPortletBreadcrumbEntry(request, unescapedFileEntry.getTitle(), portletURL.toString()); } public static void addPortletBreadcrumbEntries(FileShortcut fileShortcut, HttpServletRequest request, RenderResponse renderResponse) throws Exception { Folder folder = fileShortcut.getFolder(); if (folder.getFolderId() != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) { addPortletBreadcrumbEntries(folder, request, renderResponse); } FileShortcut unescapedDLFileShortcut = fileShortcut.toUnescapedModel(); PortletURL portletURL = renderResponse.createRenderURL(); portletURL.setParameter("mvcRenderCommandName", "/document_library/view_file_entry"); portletURL.setParameter("fileEntryId", String.valueOf(fileShortcut.getToFileEntryId())); PortalUtil.addPortletBreadcrumbEntry(request, unescapedDLFileShortcut.getToTitle(), portletURL.toString()); } public static void addPortletBreadcrumbEntries(Folder folder, HttpServletRequest request, LiferayPortletResponse liferayPortletResponse) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY); PortletURL portletURL = liferayPortletResponse.createRenderURL(); portletURL.setParameter("mvcRenderCommandName", "/document_library/view"); Map<String, Object> data = new HashMap<>(); data.put("direction-right", Boolean.TRUE.toString()); PortletDisplay portletDisplay = themeDisplay.getPortletDisplay(); DLPortletInstanceSettings dlPortletInstanceSettings = DLPortletInstanceSettings .getInstance(themeDisplay.getLayout(), portletDisplay.getId()); data.put("folder-id", dlPortletInstanceSettings.getRootFolderId()); PortalUtil.addPortletBreadcrumbEntry(request, themeDisplay.translate("home"), portletURL.toString(), data); portletURL.setParameter("mvcRenderCommandName", "/document_library/view_folder"); addPortletBreadcrumbEntries(folder, request, portletURL); } public static void addPortletBreadcrumbEntries(Folder folder, HttpServletRequest request, PortletURL portletURL) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY); PortletDisplay portletDisplay = themeDisplay.getPortletDisplay(); long rootFolderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID; boolean ignoreRootFolder = ParamUtil.getBoolean(request, "ignoreRootFolder"); if (!ignoreRootFolder) { DLPortletInstanceSettings dlPortletInstanceSettings = DLPortletInstanceSettings .getInstance(themeDisplay.getLayout(), portletDisplay.getId()); rootFolderId = dlPortletInstanceSettings.getRootFolderId(); } List<Folder> ancestorFolders = Collections.emptyList(); if ((folder != null) && (folder.getFolderId() != rootFolderId)) { ancestorFolders = folder.getAncestors(); int indexOfRootFolder = -1; for (int i = 0; i < ancestorFolders.size(); i++) { Folder ancestorFolder = ancestorFolders.get(i); if (rootFolderId == ancestorFolder.getFolderId()) { indexOfRootFolder = i; } } if (indexOfRootFolder > -1) { ancestorFolders = ancestorFolders.subList(0, indexOfRootFolder); } } Collections.reverse(ancestorFolders); for (Folder ancestorFolder : ancestorFolders) { portletURL.setParameter("folderId", String.valueOf(ancestorFolder.getFolderId())); Map<String, Object> data = new HashMap<>(); data.put("direction-right", Boolean.TRUE.toString()); data.put("folder-id", ancestorFolder.getFolderId()); PortalUtil.addPortletBreadcrumbEntry(request, ancestorFolder.getName(), portletURL.toString(), data); } long folderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID; if (folder != null) { folderId = folder.getFolderId(); } portletURL.setParameter("folderId", String.valueOf(folderId)); if ((folderId != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) && (folderId != rootFolderId)) { Folder unescapedFolder = folder.toUnescapedModel(); Map<String, Object> data = new HashMap<>(); data.put("direction-right", Boolean.TRUE.toString()); data.put("folder-id", folderId); PortalUtil.addPortletBreadcrumbEntry(request, unescapedFolder.getName(), portletURL.toString(), data); } } public static void addPortletBreadcrumbEntries(Folder folder, HttpServletRequest request, RenderResponse renderResponse) throws Exception { String mvcRenderCommandName = ParamUtil.getString(request, "mvcRenderCommandName"); long groupId = ParamUtil.getLong(request, "groupId"); boolean ignoreRootFolder = ParamUtil.getBoolean(request, "ignoreRootFolder"); PortletURL portletURL = renderResponse.createRenderURL(); if (mvcRenderCommandName.equals("/document_library/select_file_entry") || mvcRenderCommandName.equals("/document_library/select_folder")) { _addPortletBreadcrumbEntry(request, "mvcRenderCommandName", mvcRenderCommandName, groupId, ignoreRootFolder, portletURL); } else { long folderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID; if (folder != null) { folderId = folder.getFolderId(); } if (folderId != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) { portletURL.setParameter("mvcRenderCommandName", "/document_library/view_folder"); } else { portletURL.setParameter("mvcRenderCommandName", "/document_library/view"); } } addPortletBreadcrumbEntries(folder, request, portletURL); } public static void addPortletBreadcrumbEntries(long folderId, HttpServletRequest request, RenderResponse renderResponse) throws Exception { if (folderId != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) { Folder folder = DLAppLocalServiceUtil.getFolder(folderId); if (folder.getFolderId() != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) { addPortletBreadcrumbEntries(folder, request, renderResponse); } } } private static void _addPortletBreadcrumbEntry(HttpServletRequest request, String parameterName, String parameterValue, long groupId, boolean ignoreRootFolder, PortletURL portletURL) throws WindowStateException { ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY); portletURL.setParameter(parameterName, parameterValue); portletURL.setParameter("groupId", String.valueOf(groupId)); portletURL.setParameter("ignoreRootFolder", String.valueOf(ignoreRootFolder)); portletURL.setWindowState(LiferayWindowState.POP_UP); PortalUtil.addPortletBreadcrumbEntry(request, themeDisplay.translate("home"), portletURL.toString()); } }