001    /**
002     * Copyright (c) 2000-2013 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.wiki.trash;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.trash.BaseTrashHandler;
020    import com.liferay.portal.kernel.trash.TrashHandler;
021    import com.liferay.portal.kernel.trash.TrashHandlerRegistryUtil;
022    import com.liferay.portal.kernel.trash.TrashRenderer;
023    import com.liferay.portal.kernel.util.Validator;
024    import com.liferay.portal.kernel.util.WebKeys;
025    import com.liferay.portal.model.LayoutConstants;
026    import com.liferay.portal.security.permission.PermissionChecker;
027    import com.liferay.portal.theme.ThemeDisplay;
028    import com.liferay.portal.util.PortalUtil;
029    import com.liferay.portal.util.PortletKeys;
030    import com.liferay.portlet.PortletURLFactoryUtil;
031    import com.liferay.portlet.trash.DuplicateEntryException;
032    import com.liferay.portlet.trash.model.TrashEntry;
033    import com.liferay.portlet.wiki.asset.WikiNodeTrashRenderer;
034    import com.liferay.portlet.wiki.model.WikiNode;
035    import com.liferay.portlet.wiki.model.WikiPage;
036    import com.liferay.portlet.wiki.service.WikiNodeLocalServiceUtil;
037    import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
038    import com.liferay.portlet.wiki.service.permission.WikiNodePermission;
039    
040    import java.util.ArrayList;
041    import java.util.List;
042    
043    import javax.portlet.PortletRequest;
044    import javax.portlet.PortletURL;
045    
046    /**
047     * Implements trash handling for the wiki node entity.
048     *
049     * @author Eudaldo Alonso
050     */
051    public class WikiNodeTrashHandler extends BaseTrashHandler {
052    
053            @Override
054            public void checkDuplicateTrashEntry(
055                            TrashEntry trashEntry, long containerModelId, String newName)
056                    throws PortalException, SystemException {
057    
058                    WikiNode node = WikiNodeLocalServiceUtil.getNode(
059                            trashEntry.getClassPK());
060    
061                    String originalTitle = trashEntry.getTypeSettingsProperty("title");
062    
063                    if (Validator.isNotNull(newName)) {
064                            originalTitle = newName;
065                    }
066    
067                    WikiNode duplicateNode = WikiNodeLocalServiceUtil.fetchNode(
068                            node.getGroupId(), originalTitle);
069    
070                    if (duplicateNode != null) {
071                            DuplicateEntryException dee = new DuplicateEntryException();
072    
073                            dee.setDuplicateEntryId(duplicateNode.getNodeId());
074                            dee.setOldName(duplicateNode.getName());
075                            dee.setTrashEntryId(trashEntry.getEntryId());
076    
077                            throw dee;
078                    }
079            }
080    
081            @Override
082            public void deleteTrashEntry(long classPK)
083                    throws PortalException, SystemException {
084    
085                    WikiNodeLocalServiceUtil.deleteNode(classPK);
086            }
087    
088            @Override
089            public String getClassName() {
090                    return WikiNode.class.getName();
091            }
092    
093            @Override
094            public String getRestoreLink(PortletRequest portletRequest, long classPK)
095                    throws PortalException, SystemException {
096    
097                    String portletId = PortletKeys.WIKI;
098    
099                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
100    
101                    long plid = PortalUtil.getPlidFromPortletId(
102                            node.getGroupId(), PortletKeys.WIKI);
103    
104                    if (plid == LayoutConstants.DEFAULT_PLID) {
105                            portletId = PortletKeys.WIKI_ADMIN;
106    
107                            plid = PortalUtil.getControlPanelPlid(portletRequest);
108                    }
109    
110                    PortletURL portletURL = PortletURLFactoryUtil.create(
111                            portletRequest, portletId, plid, PortletRequest.RENDER_PHASE);
112    
113                    return portletURL.toString();
114            }
115    
116            @Override
117            public String getRestoreMessage(
118                    PortletRequest portletRequest, long classPK) {
119    
120                    ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
121                            WebKeys.THEME_DISPLAY);
122    
123                    return themeDisplay.translate("wiki");
124            }
125    
126            @Override
127            public String getTrashContainedModelName() {
128                    return "wiki-pages";
129            }
130    
131            @Override
132            public int getTrashContainedModelsCount(long classPK)
133                    throws SystemException {
134    
135                    return WikiPageLocalServiceUtil.getPagesCount(classPK);
136            }
137    
138            @Override
139            public List<TrashRenderer> getTrashContainedModelTrashRenderers(
140                            long classPK, int start, int end)
141                    throws PortalException, SystemException {
142    
143                    List<TrashRenderer> trashRenderers = new ArrayList<TrashRenderer>();
144    
145                    List<WikiPage> pages = WikiPageLocalServiceUtil.getPages(
146                            classPK, start, end);
147    
148                    for (WikiPage page : pages) {
149                            TrashHandler trashHandler =
150                                    TrashHandlerRegistryUtil.getTrashHandler(
151                                            WikiPage.class.getName());
152    
153                            TrashRenderer trashRenderer = trashHandler.getTrashRenderer(
154                                    page.getResourcePrimKey());
155    
156                            trashRenderers.add(trashRenderer);
157                    }
158    
159                    return trashRenderers;
160            }
161    
162            @Override
163            public TrashRenderer getTrashRenderer(long classPK)
164                    throws PortalException, SystemException {
165    
166                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
167    
168                    return new WikiNodeTrashRenderer(node);
169            }
170    
171            @Override
172            public boolean isContainerModel() {
173                    return true;
174            }
175    
176            @Override
177            public boolean isInTrash(long classPK)
178                    throws PortalException, SystemException {
179    
180                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
181    
182                    return node.isInTrash();
183            }
184    
185            @Override
186            public void restoreTrashEntry(long userId, long classPK)
187                    throws PortalException, SystemException {
188    
189                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
190    
191                    WikiNodeLocalServiceUtil.restoreNodeFromTrash(userId, node);
192            }
193    
194            @Override
195            public void updateTitle(long classPK, String name)
196                    throws PortalException, SystemException {
197    
198                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
199    
200                    node.setName(name);
201    
202                    WikiNodeLocalServiceUtil.updateWikiNode(node);
203            }
204    
205            @Override
206            protected boolean hasPermission(
207                            PermissionChecker permissionChecker, long classPK, String actionId)
208                    throws PortalException, SystemException {
209    
210                    return WikiNodePermission.contains(
211                            permissionChecker, classPK, actionId);
212            }
213    
214    }