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.fetchWikiNode(
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            public void deleteTrashEntry(long classPK)
082                    throws PortalException, SystemException {
083    
084                    WikiNodeLocalServiceUtil.deleteNode(classPK);
085            }
086    
087            public String getClassName() {
088                    return WikiNode.class.getName();
089            }
090    
091            @Override
092            public String getRestoreLink(PortletRequest portletRequest, long classPK)
093                    throws PortalException, SystemException {
094    
095                    String portletId = PortletKeys.WIKI;
096    
097                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
098    
099                    long plid = PortalUtil.getPlidFromPortletId(
100                            node.getGroupId(), PortletKeys.WIKI);
101    
102                    if (plid == LayoutConstants.DEFAULT_PLID) {
103                            portletId = PortletKeys.WIKI_ADMIN;
104    
105                            plid = PortalUtil.getControlPanelPlid(portletRequest);
106                    }
107    
108                    PortletURL portletURL = PortletURLFactoryUtil.create(
109                            portletRequest, portletId, plid, PortletRequest.RENDER_PHASE);
110    
111                    return portletURL.toString();
112            }
113    
114            @Override
115            public String getRestoreMessage(
116                    PortletRequest portletRequest, long classPK) {
117    
118                    ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
119                            WebKeys.THEME_DISPLAY);
120    
121                    return themeDisplay.translate("wiki");
122            }
123    
124            @Override
125            public String getTrashContainedModelName() {
126                    return "wiki-pages";
127            }
128    
129            @Override
130            public int getTrashContainedModelsCount(long classPK)
131                    throws SystemException {
132    
133                    return WikiPageLocalServiceUtil.getPagesCount(classPK);
134            }
135    
136            @Override
137            public List<TrashRenderer> getTrashContainedModelTrashRenderers(
138                            long classPK, int start, int end)
139                    throws PortalException, SystemException {
140    
141                    List<TrashRenderer> trashRenderers = new ArrayList<TrashRenderer>();
142    
143                    List<WikiPage> pages = WikiPageLocalServiceUtil.getPages(
144                            classPK, start, end);
145    
146                    for (WikiPage page : pages) {
147                            TrashHandler trashHandler =
148                                    TrashHandlerRegistryUtil.getTrashHandler(
149                                            WikiPage.class.getName());
150    
151                            TrashRenderer trashRenderer = trashHandler.getTrashRenderer(
152                                    page.getResourcePrimKey());
153    
154                            trashRenderers.add(trashRenderer);
155                    }
156    
157                    return trashRenderers;
158            }
159    
160            @Override
161            public TrashRenderer getTrashRenderer(long classPK)
162                    throws PortalException, SystemException {
163    
164                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
165    
166                    return new WikiNodeTrashRenderer(node);
167            }
168    
169            @Override
170            public boolean isContainerModel() {
171                    return true;
172            }
173    
174            public boolean isInTrash(long classPK)
175                    throws PortalException, SystemException {
176    
177                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
178    
179                    return node.isInTrash();
180            }
181    
182            public void restoreTrashEntry(long userId, long classPK)
183                    throws PortalException, SystemException {
184    
185                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
186    
187                    WikiNodeLocalServiceUtil.restoreNodeFromTrash(userId, node);
188            }
189    
190            @Override
191            public void updateTitle(long classPK, String name)
192                    throws PortalException, SystemException {
193    
194                    WikiNode node = WikiNodeLocalServiceUtil.getNode(classPK);
195    
196                    node.setName(name);
197    
198                    WikiNodeLocalServiceUtil.updateWikiNode(node);
199            }
200    
201            @Override
202            protected boolean hasPermission(
203                            PermissionChecker permissionChecker, long classPK, String actionId)
204                    throws PortalException, SystemException {
205    
206                    return WikiNodePermission.contains(
207                            permissionChecker, classPK, actionId);
208            }
209    
210    }