001/* 002 * This library is part of OpenCms - 003 * the Open Source Content Management System 004 * 005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * For further information about Alkacon Software, please see the 018 * company website: http://www.alkacon.com 019 * 020 * For further information about OpenCms, please see the 021 * project website: http://www.opencms.org 022 * 023 * You should have received a copy of the GNU Lesser General Public 024 * License along with this library; if not, write to the Free Software 025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 026 */ 027 028package org.opencms.ui.dialogs; 029 030import org.opencms.file.CmsObject; 031import org.opencms.file.CmsResource; 032import org.opencms.file.CmsResourceFilter; 033import org.opencms.main.CmsLog; 034import org.opencms.main.OpenCms; 035import org.opencms.security.CmsRole; 036import org.opencms.security.CmsRoleViolationException; 037import org.opencms.ui.A_CmsUI; 038import org.opencms.ui.CmsVaadinUtils; 039import org.opencms.ui.I_CmsDialogContext.ContextType; 040import org.opencms.ui.actions.I_CmsWorkplaceAction; 041import org.opencms.ui.apps.CmsEditorConfiguration; 042import org.opencms.ui.apps.CmsPageEditorConfiguration; 043import org.opencms.ui.apps.CmsSitemapEditorConfiguration; 044import org.opencms.ui.apps.Messages; 045import org.opencms.ui.components.CmsErrorDialog; 046import org.opencms.ui.dialogs.permissions.CmsPrincipalSelectDialog; 047import org.opencms.util.CmsStringUtil; 048import org.opencms.util.CmsUUID; 049 050import java.util.ArrayList; 051import java.util.Collection; 052import java.util.Collections; 053import java.util.List; 054import java.util.Locale; 055 056import org.apache.commons.logging.Log; 057 058import com.vaadin.annotations.Theme; 059import com.vaadin.server.VaadinRequest; 060 061/** 062 * Separate UI for VAADIN based dialog embedded into a GWT module.<p> 063 */ 064@Theme("opencms") 065public class CmsEmbeddedDialogsUI extends A_CmsUI { 066 067 /** The dialogs path fragment. */ 068 public static final String DIALOGS_PATH = "dialogs/"; 069 070 /** Logger instance for this class. */ 071 private static final Log LOG = CmsLog.getLog(CmsEmbeddedDialogsUI.class); 072 073 /** The serial version id. */ 074 private static final long serialVersionUID = 1201184887611215370L; 075 076 /** 077 * The dialog context of the currently opened dialog.<p> 078 */ 079 CmsEmbeddedDialogContext m_currentContext; 080 081 /** 082 * Returns the context path for embedded dialogs.<p> 083 * 084 * @return the context path for embedded dialogs 085 */ 086 public static String getEmbeddedDialogsContextPath() { 087 088 return CmsStringUtil.joinPaths(OpenCms.getSystemInfo().getWorkplaceContext(), DIALOGS_PATH); 089 } 090 091 /** 092 * @see com.vaadin.ui.AbstractComponent#getLocale() 093 */ 094 @Override 095 public Locale getLocale() { 096 097 CmsObject cms = getCmsObject(); 098 return OpenCms.getWorkplaceManager().getWorkplaceLocale(cms); 099 } 100 101 /** 102 * @see org.opencms.ui.A_CmsUI#reload() 103 */ 104 @Override 105 public void reload() { 106 107 if (m_currentContext != null) { 108 m_currentContext.reload(); 109 } 110 } 111 112 /** 113 * @see org.opencms.ui.A_CmsUI#init(com.vaadin.server.VaadinRequest) 114 */ 115 @Override 116 protected void init(VaadinRequest request) { 117 118 super.init(request); 119 Throwable t = null; 120 String errorMessage = null; 121 try { 122 OpenCms.getRoleManager().checkRole(getCmsObject(), CmsRole.ELEMENT_AUTHOR); 123 if (CmsPrincipalSelectDialog.DIALOG_ID.equals(getDialogId(request))) { 124 //TODO implement a generic way to open dialogs other than workplace actions 125 m_currentContext = new CmsEmbeddedDialogContext(CmsPrincipalSelectDialog.DIALOG_ID, null, null); 126 CmsPrincipalSelectDialog.openEmbeddedDialog(m_currentContext, request.getParameterMap()); 127 } else { 128 try { 129 String resources = request.getParameter("resources"); 130 List<CmsResource> resourceList; 131 if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(resources)) { 132 resourceList = new ArrayList<CmsResource>(); 133 String[] resIds = resources.split(";"); 134 for (int i = 0; i < resIds.length; i++) { 135 if (CmsUUID.isValidUUID(resIds[i])) { 136 resourceList.add( 137 getCmsObject().readResource(new CmsUUID(resIds[i]), CmsResourceFilter.ALL)); 138 } 139 140 } 141 } else { 142 resourceList = Collections.<CmsResource> emptyList(); 143 } 144 String typeParam = request.getParameter("contextType"); 145 boolean isEditor = Boolean.parseBoolean(request.getParameter("editor")); 146 147 ContextType type; 148 String appId = ""; 149 try { 150 type = ContextType.valueOf(typeParam); 151 if (ContextType.containerpageToolbar.equals(type)) { 152 appId = CmsPageEditorConfiguration.APP_ID; 153 } else if (ContextType.sitemapToolbar.equals(type)) { 154 appId = CmsSitemapEditorConfiguration.APP_ID; 155 } else if (isEditor) { 156 appId = CmsEditorConfiguration.APP_ID; 157 } 158 } catch (Exception e) { 159 type = ContextType.appToolbar; 160 LOG.error("Could not parse context type parameter " + typeParam); 161 } 162 163 m_currentContext = new CmsEmbeddedDialogContext(appId, type, resourceList); 164 I_CmsWorkplaceAction action = getAction(request); 165 if (action.isActive(m_currentContext)) { 166 action.executeAction(m_currentContext); 167 } else { 168 errorMessage = CmsVaadinUtils.getMessageText(Messages.GUI_WORKPLACE_ACCESS_DENIED_TITLE_0); 169 } 170 } catch (Throwable e) { 171 t = e; 172 errorMessage = CmsVaadinUtils.getMessageText( 173 org.opencms.ui.dialogs.Messages.ERR_DAILOG_INSTANTIATION_FAILED_1, 174 request.getPathInfo()); 175 } 176 } 177 } catch (CmsRoleViolationException ex) { 178 t = ex; 179 errorMessage = CmsVaadinUtils.getMessageText(Messages.GUI_WORKPLACE_ACCESS_DENIED_TITLE_0); 180 } 181 if (errorMessage != null) { 182 CmsErrorDialog.showErrorDialog(errorMessage, t, new Runnable() { 183 184 public void run() { 185 186 m_currentContext = new CmsEmbeddedDialogContext("", null, Collections.<CmsResource> emptyList()); 187 m_currentContext.finish((Collection<CmsUUID>)null); 188 } 189 }); 190 } 191 } 192 193 /** 194 * Returns the dialog action matching the given request.<p> 195 * 196 * @param request the request 197 * 198 * @return the dialog action 199 * 200 * @throws Exception in case instantiating the action fails 201 */ 202 private I_CmsWorkplaceAction getAction(VaadinRequest request) throws Exception { 203 204 String dialogId = getDialogId(request); 205 @SuppressWarnings("unchecked") 206 Class<I_CmsWorkplaceAction> actionClass = (Class<I_CmsWorkplaceAction>)getClass().getClassLoader().loadClass( 207 dialogId); 208 return actionClass.newInstance(); 209 } 210 211 /** 212 * Returns the dialog id extracted from the requested path.<p> 213 * 214 * @param request the request 215 * 216 * @return the id 217 */ 218 private String getDialogId(VaadinRequest request) { 219 220 String path = request.getPathInfo(); 221 // remove the leading slash 222 return path != null ? path.substring(1) : null; 223 } 224}